absyntax/absyntax.def
author mjsousa
Wed, 24 Dec 2014 13:19:53 +0000
changeset 967 544ff4dff04f
parent 963 e3d4dca7520b
child 1014 a61f8f58f612
permissions -rw-r--r--
Do constant propagation to symbolic_variables, and correctly handle constant folding and propagation of variable declarations.
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/*
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 *  matiec - a compiler for the programming languages defined in IEC 61131-3
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 *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
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 *  Copyright (C) 2007-2011  Laurent Bessard and Edouard Tisserant
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 *
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 *  This program is free software: you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation, either version 3 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 *
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 * This code is made available on the understanding that it will not be
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 * used in safety-critical situations without a full and competent review.
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 */
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/*
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 * An IEC 61131-3 compiler.
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 *
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 * Based on the
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 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
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 *
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 */
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/*
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 * Definition of the Abstract Syntax data structure components
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 */
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/*
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 * ABSYNTAX.DEF
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 *
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 * This generates the parse tree structure used to bind the components
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 * identified by Bison in the correct syntax order. At the end of the
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 * Bison analysis the tree is walked in a sequential fashion generating
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 * the relavent code.
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 */
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*                                                               */
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/*      safe<xxxxxx> Symbols are defined in:                     */
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/*      PLCopen - Technical Committee 5                          */
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/*      Safety Software Technical Specification,                 */
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/*      Part 1: Concepts and Function Blocks,                    */
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/*      Version 1.0 – Official Release - 2006-01-31              */
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/*                                                               */
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*                                                               */
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/*             Symbols defined in:                               */
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/*      FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)          */
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/*                                                               */
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/*****************************************************************/
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/* Based on the                                    */
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/* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10) */
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/* EN/ENO */
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/* NOTE we store 'EN' and 'ENO' tokens in an identifier_c
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 *      as they may be used as variables, and it is much easier 
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 *      to handle them (fewer special cases) if we do it that way...
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 */
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/*
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SYM_REF0(en_param_c)
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SYM_REF0(eno_param_c)
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*/
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/* A class used to identify an entry (literal, variable, etc...) in the abstract syntax tree with an invalid data type */
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/* This is only used from stage3 onwards. Stages 1 and 2 will never create any instances of invalid_type_name_c */
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SYM_REF0(invalid_type_name_c)
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/********************/
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/* 2.1.6 - Pragmas  */
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/********************/
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SYM_REF0(disable_code_generation_pragma_c)
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SYM_REF0(enable_code_generation_pragma_c)
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SYM_TOKEN(pragma_c)
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/***************************/
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/* B 0 - Programming Model */
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/***************************/
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/* enumvalue_symtable is filled in by enum_declaration_check_c, during stage3 semantic verification, with a list of all enumerated constants declared inside this POU */
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SYM_LIST(library_c, enumvalue_symtable_t enumvalue_symtable;)
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/*************************/
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/* B.1 - Common elements */
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/*************************/
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/*******************************************/
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/* B 1.1 - Letters, digits and identifiers */
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/*******************************************/
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SYM_TOKEN(identifier_c)
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/* A special identifier class, used for identifiers that have been previously declared as a derived datatype */
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/*  This is currently needed because generate_c stage 4 needs to handle the array datatype identifiers differently to all other identifiers. */
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SYM_TOKEN(derived_datatype_identifier_c) 
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SYM_TOKEN(poutype_identifier_c) 
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/*********************/
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/* B 1.2 - Constants */
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/*********************/
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/*********************************/
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/* B 1.2.XX - Reference Literals */
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/*********************************/
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/* defined in IEC 61131-3 v3 - Basically the 'NULL' keyword! */
8da635655f37 Add support for the 'NULL' keyword, defined in version 3 of IEC 61131-3.
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SYM_REF0(ref_value_null_literal_c)
0
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/******************************/
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/* B 1.2.1 - Numeric Literals */
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/******************************/
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SYM_TOKEN(real_c)
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SYM_TOKEN(integer_c)
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SYM_TOKEN(binary_integer_c)
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SYM_TOKEN(octal_integer_c)
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SYM_TOKEN(hex_integer_c)
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/* Note:
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 * We do not have signed_integer_c and signed_real_c classes.
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 * These are stored in the parse tree as a integer_c or real_c
257
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 * preceded by a unary minus operator if they are inside an expression,
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 * or a neg_integer_c and neg_real_c when used outside an ST expression.
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 */
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/* Not required:
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SYM_TOKEN(signed_integer_c)
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SYM_TOKEN(signed_real_c)
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*/
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257
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/* NOTE: literal __values__ are stored directly in classes such as:
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 *          - real_c
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 *          - integer_c
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 *          - binary_integer_c
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 *          - etc...
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 *
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 *       However, for both the real_c and the integer_c, if they are preceded 
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 *       by a '-' negation sign, they are further encapsulated inside 
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 *       a neg_literal_c (i.e. the neg_literal_c will point to the 
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 *       real_c or integer_c with the value being negated.
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 *          neg_literal_c -> integer_literal_c
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 *                OR
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 *          neg_literal_c -> real_literal_c
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 *
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 *       However, this has since been changed to...
257
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 *        - replace the neg_literal_c with two distinc classes
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 *              (neg_integer_c and neg_real_c), one for each
471
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 *              lietral type. 
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 *
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 *       This change was done in order to ease the writing of semantic verification (stage3) code.
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 *       However, that version of the code has since been replaced by a newer and better algoritm.
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 *       This means the above change can now be undone, but there is really no need to undo it,
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 *       so we leave it as it is.
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 */  
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SYM_REF1(neg_real_c, exp)
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SYM_REF1(neg_integer_c, exp)
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d4cf7ea933a4 Problem with negated literals while compiling generated C file on 32bits systems fixed
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202
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/* Not required:
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SYM_REF2(numeric_literal_c, type, value)
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*/
0
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SYM_REF2(integer_literal_c, type, value)
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SYM_REF2(real_literal_c, type, value)
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SYM_REF2(bit_string_literal_c, type, value)
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/* A typed or untyped boolean literal... */
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/* type may be NULL */
0
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SYM_REF2(boolean_literal_c, type, value)
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/* helper class for boolean_literal_c */
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SYM_REF0(boolean_true_c)
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/* helper class for boolean_literal_c */
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SYM_REF0(boolean_false_c)
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/*******************************/
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/* B.1.2.2   Character Strings */
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/*******************************/
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SYM_TOKEN(double_byte_character_string_c)
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SYM_TOKEN(single_byte_character_string_c)
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/***************************/
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/* B 1.2.3 - Time Literals */
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/***************************/
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/************************/
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/* B 1.2.3.1 - Duration */
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/************************/
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SYM_REF0(neg_time_c)
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SYM_REF3(duration_c, type_name, neg, interval)
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SYM_REF5(interval_c, days, hours, minutes, seconds, milliseconds)
0
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SYM_TOKEN(fixed_point_c)
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/*
0
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SYM_REF2(days_c, days, hours)
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SYM_REF2(hours_c, hours, minutes)
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SYM_REF2(minutes_c, minutes, seconds)
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SYM_REF2(seconds_c, seconds, milliseconds)
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SYM_REF1(milliseconds_c, milliseconds)
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*/
0
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/************************************/
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/* B 1.2.3.2 - Time of day and Date */
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/************************************/
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SYM_REF2(time_of_day_c, type_name, daytime)
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SYM_REF3(daytime_c, day_hour, day_minute, day_second)
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SYM_REF2(date_c, type_name, date_literal)
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SYM_REF3(date_literal_c, year, month, day)
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SYM_REF3(date_and_time_c, type_name, date_literal, daytime)
0
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/**********************/
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/* B.1.3 - Data types */
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/**********************/
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/***********************************/
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/* B 1.3.1 - Elementary Data Types */
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/***********************************/
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SYM_REF0(time_type_name_c)
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SYM_REF0(bool_type_name_c)
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SYM_REF0(sint_type_name_c)
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SYM_REF0(int_type_name_c)
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SYM_REF0(dint_type_name_c)
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SYM_REF0(lint_type_name_c)
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SYM_REF0(usint_type_name_c)
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SYM_REF0(uint_type_name_c)
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SYM_REF0(udint_type_name_c)
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SYM_REF0(ulint_type_name_c)
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SYM_REF0(real_type_name_c)
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SYM_REF0(lreal_type_name_c)
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SYM_REF0(date_type_name_c)
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SYM_REF0(tod_type_name_c)
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SYM_REF0(dt_type_name_c)
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SYM_REF0(byte_type_name_c)
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SYM_REF0(word_type_name_c)
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SYM_REF0(dword_type_name_c)
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SYM_REF0(lword_type_name_c)
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SYM_REF0(string_type_name_c)
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SYM_REF0(wstring_type_name_c)
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da1a8186f86f Initial (very rough) version of semantic checker (stage3)
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  /*****************************************************************/
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  /* Keywords defined in "Safety Software Technical Specification" */
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  /*****************************************************************/
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   274
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SYM_REF0(safetime_type_name_c)
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   276
SYM_REF0(safebool_type_name_c)
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   277
SYM_REF0(safesint_type_name_c)
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   278
SYM_REF0(safeint_type_name_c)
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   279
SYM_REF0(safedint_type_name_c)
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   280
SYM_REF0(safelint_type_name_c)
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   281
SYM_REF0(safeusint_type_name_c)
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   282
SYM_REF0(safeuint_type_name_c)
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   283
SYM_REF0(safeudint_type_name_c)
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   284
SYM_REF0(safeulint_type_name_c)
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   285
SYM_REF0(safereal_type_name_c)
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   286
SYM_REF0(safelreal_type_name_c)
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   287
SYM_REF0(safedate_type_name_c)
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   288
SYM_REF0(safetod_type_name_c)
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   289
SYM_REF0(safedt_type_name_c)
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   290
SYM_REF0(safebyte_type_name_c)
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   291
SYM_REF0(safeword_type_name_c)
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   292
SYM_REF0(safedword_type_name_c)
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   293
SYM_REF0(safelword_type_name_c)
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   294
SYM_REF0(safestring_type_name_c)
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SYM_REF0(safewstring_type_name_c)
0
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   297
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/********************************/
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/* B.1.3.2 - Generic data types */
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/********************************/
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921
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/* ANY is currently only allowed when defining REF_TO ANY datatypes
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 * (equivalent to a (void *)). This is a non standard extension to the
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 * standard.
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 * Standard library function that use the generic datatypes (ANY_***) are
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 * currently handed as overloaded functions, and do not therefore require
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 * the use of the generic datatype keywords.
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 */
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SYM_REF0(generic_type_any_c)            // ANY
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/*
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SYM_REF0(generic_type_any_derived_c)    // ANY_DERIVED
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SYM_REF0(generic_type_any_elementary_c) // ANY_ELEMENTARY
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SYM_REF0(generic_type_any_magnitude_c)  // ANY_MAGNITUDE
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SYM_REF0(generic_type_any_num_c)        // ANY_NUM
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SYM_REF0(generic_type_any_real_c)       // ANY_REAL
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SYM_REF0(generic_type_any_int_c)        // ANY_INT
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SYM_REF0(generic_type_any_bit_c)        // ANY_BIT
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SYM_REF0(generic_type_any_string_c)     // ANY_STRING
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SYM_REF0(generic_type_any_date_c)       // ANY_DATE
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*/
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0
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/********************************/
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/* B 1.3.3 - Derived data types */
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/********************************/
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/*  TYPE type_declaration_list END_TYPE */
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41cb5b80416e Adding basic error checking.
mario
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   326
SYM_REF1(data_type_declaration_c, type_declaration_list)
0
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   327
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   328
/* helper symbol for data_type_declaration */
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SYM_LIST(type_declaration_list_c)
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   330
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   331
/*  simple_type_name ':' simple_spec_init */
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   332
SYM_REF2(simple_type_declaration_c, simple_type_name, simple_spec_init)
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   333
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   334
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   335
/* simple_specification ASSIGN constant */
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   336
SYM_REF2(simple_spec_init_c, simple_specification, constant)
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   337
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/*  subrange_type_name ':' subrange_spec_init */
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   339
SYM_REF2(subrange_type_declaration_c, subrange_type_name, subrange_spec_init)
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   340
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   341
/* subrange_specification ASSIGN signed_integer */
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   342
SYM_REF2(subrange_spec_init_c, subrange_specification, signed_integer)
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   343
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/*  integer_type_name '(' subrange')' */
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SYM_REF2(subrange_specification_c, integer_type_name, subrange)
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   346
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/*  signed_integer DOTDOT signed_integer */
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99a284cec1f2 Add 'dimension' parameter to subrange_c, fill it correctly, and use it.
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   348
/* dimension will be filled in during stage 3 (array_range_check_c) with the number of elements in this subrange */
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   349
SYM_REF2(subrange_c, lower_limit, upper_limit, unsigned long long int dimension;)
0
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   350
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   351
/*  enumerated_type_name ':' enumerated_spec_init */
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   352
SYM_REF2(enumerated_type_declaration_c, enumerated_type_name, enumerated_spec_init)
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   353
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   354
/* enumerated_specification ASSIGN enumerated_value */
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   355
SYM_REF2(enumerated_spec_init_c, enumerated_specification, enumerated_value)
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   356
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   357
/* helper symbol for enumerated_specification->enumerated_spec_init */
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   358
/* enumerated_value_list ',' enumerated_value */
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   359
SYM_LIST(enumerated_value_list_c)
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   360
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   361
/* enumerated_type_name '#' identifier */
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   362
SYM_REF2(enumerated_value_c, type, value)
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   363
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   364
/*  identifier ':' array_spec_init */
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   365
SYM_REF2(array_type_declaration_c, identifier, array_spec_init)
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   366
909
8b2a31dea131 Add support for REF_TO derived datatypes (along with datatype verification)
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   367
/* array_specification [ASSIGN array_initialization] */
0
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   368
/* array_initialization may be NULL ! */
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   369
SYM_REF2(array_spec_init_c, array_specification, array_initialization)
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   370
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   371
/* ARRAY '[' array_subrange_list ']' OF non_generic_type_name */
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   372
SYM_REF2(array_specification_c, array_subrange_list, non_generic_type_name)
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   373
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   374
/* helper symbol for array_specification */
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   375
/* array_subrange_list ',' subrange */
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   376
SYM_LIST(array_subrange_list_c)
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   377
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   378
/* array_initialization:  '[' array_initial_elements_list ']' */
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   379
/* helper symbol for array_initialization */
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   380
/* array_initial_elements_list ',' array_initial_elements */
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   381
SYM_LIST(array_initial_elements_list_c)
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   382
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   383
/* integer '(' [array_initial_element] ')' */
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   384
/* array_initial_element may be NULL ! */
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   385
SYM_REF2(array_initial_elements_c, integer, array_initial_element)
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   386
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   387
/*  structure_type_name ':' structure_specification */
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   388
SYM_REF2(structure_type_declaration_c, structure_type_name, structure_specification)
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   389
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   390
/* structure_type_name ASSIGN structure_initialization */
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   391
/* structure_initialization may be NULL ! */
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   392
SYM_REF2(initialized_structure_c, structure_type_name, structure_initialization)
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   393
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   394
/* helper symbol for structure_declaration */
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   395
/* structure_declaration:  STRUCT structure_element_declaration_list END_STRUCT */
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   396
/* structure_element_declaration_list structure_element_declaration ';' */
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   397
SYM_LIST(structure_element_declaration_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   398
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   399
/*  structure_element_name ':' *_spec_init */
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etisserant
parents:
diff changeset
   400
SYM_REF2(structure_element_declaration_c, structure_element_name, spec_init)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   401
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   402
/* helper symbol for structure_initialization */
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etisserant
parents:
diff changeset
   403
/* structure_initialization: '(' structure_element_initialization_list ')' */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   404
/* structure_element_initialization_list ',' structure_element_initialization */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   405
SYM_LIST(structure_element_initialization_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   406
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   407
/*  structure_element_name ASSIGN value */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   408
SYM_REF2(structure_element_initialization_c, structure_element_name, value)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   409
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   410
/*  string_type_name ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   411
/*
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   412
 * NOTE:
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   413
 * (Summary: Contrary to what is expected, the
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   414
 *           string_type_declaration_c is not used to store
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   415
 *           simple string type declarations that do not include
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   416
 *           size limits.
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   417
 *           For e.g.:
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   418
 *             str1_type: STRING := "hello!"
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   419
 *           will be stored in a simple_type_declaration_c
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   420
 *           instead of a string_type_declaration_c.
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   421
 *           The following:
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   422
 *             str2_type: STRING [64] := "hello!"
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   423
 *           will be stored in a sring_type_declaration_c
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   424
 *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   425
 *           Read on for why this is done...
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   426
 * End Summary)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   427
 *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   428
 * According to the spec, the valid construct
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   429
 * TYPE new_str_type : STRING := "hello!"; END_TYPE
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   430
 * has two possible routes to type_declaration...
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   431
 *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   432
 * Route 1:
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   433
 * type_declaration: single_element_type_declaration
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   434
 * single_element_type_declaration: simple_type_declaration
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   435
 * simple_type_declaration: identifier ':' simple_spec_init
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   436
 * simple_spec_init: simple_specification ASSIGN constant
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   437
 * (shift:  identifier <- 'new_str_type')
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   438
 * simple_specification: elementary_type_name
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   439
 * elementary_type_name: STRING
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   440
 * (shift: elementary_type_name <- STRING)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   441
 * (reduce: simple_specification <- elementary_type_name)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   442
 * (shift: constant <- "hello!")
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   443
 * (reduce: simple_spec_init: simple_specification ASSIGN constant)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   444
 * (reduce: ...)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   445
 *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   446
 *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   447
 * Route 2:
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   448
 * type_declaration: string_type_declaration
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etisserant
parents:
diff changeset
   449
 * string_type_declaration: identifier ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   450
 * (shift:  identifier <- 'new_str_type')
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   451
 * elementary_string_type_name: STRING
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   452
 * (shift: elementary_string_type_name <- STRING)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   453
 * (shift: string_type_declaration_size <-  empty )
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   454
 * string_type_declaration_init: ASSIGN character_string
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   455
 * (shift: character_string <- "hello!")
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   456
 * (reduce: string_type_declaration_init <- ASSIGN character_string)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   457
 * (reduce: string_type_declaration <- identifier ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init )
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   458
 * (reduce: type_declaration <- string_type_declaration)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   459
 *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   460
 *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   461
 * At first glance it seems that removing route 1 would make
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   462
 * the most sense. Unfortunately the construct 'simple_spec_init'
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   463
 * shows up multiple times in other rules, so changing this construct
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   464
 * would also mean changing all the rules in which it appears.
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   465
 * I (Mario) therefore chose to remove route 2 instead. This means
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   466
 * that the above declaration gets stored in a
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   467
 * simple_type_declaration_c, and not in a string_type_declaration_c
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   468
 * as would be expected!
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   469
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   470
/*  string_type_name ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   471
SYM_REF4(string_type_declaration_c,	string_type_name,
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   472
					elementary_string_type_name,
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   473
					string_type_declaration_size,
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   474
					string_type_declaration_init) /* may be == NULL! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   475
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   476
810
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   477
/* helper symbol for fb_name_decl_c */
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   478
/* This symbol/leaf does not exist in the IEC standard syntax as an isolated symbol,
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   479
 * as, for some reason, the standard syntax defines FB variable declarations in a slightly 
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   480
 * different style as all other spec_init declarations. I.e., fr FBs variable declarations, 
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   481
 * the standard defines a single leaf/node (fb_name_decl) that references:
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   482
 *   a) the variable name list
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   483
 *   b) the FB datatype
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   484
 *   c) the FB intial value
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   485
 *
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   486
 * All other variable declarations break this out into two nodes:
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   487
 *   1) references b) and c) above (usually named ***_spec_init)
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   488
 *   2) references a), and node 1)
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   489
 *
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   490
 * In order to allow the datatype analyses to proceed without special cases, we will handle
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   491
 * FB variable declarations in the same style. For this reason, we have added the
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   492
 * following node to the Abstract Syntax Tree, even though it does not have a direct equivalent in 
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   493
 * the standard syntax.
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   494
 */
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   495
/*  function_block_type_name ASSIGN structure_initialization */
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   496
/* structure_initialization -> may be NULL ! */
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   497
SYM_REF2(fb_spec_init_c, function_block_type_name, structure_initialization)
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   498
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   499
876
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   500
/* Taken fron IEC 61131-3 v3
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   501
 * // Table 14 - Reference operations
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   502
 * Ref_Type_Decl  : Ref_Type_Name ':' Ref_Spec_Init ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   503
 * Ref_Spec_Init  : Ref_Spec ( ':=' Ref_Value )? ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   504
 * Ref_Spec       : 'REF_TO' Non_Gen_Type_Name ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   505
 * Ref_Type_Name  : Identifier ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   506
 * Ref_Name       : Identifier ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   507
 * Ref_Value      : Ref_Addr | 'NULL' ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   508
 * Ref_Addr       : 'REF' '(' (Symbolic_Variable | FB_Name | Class_Instance_Name ) ')' ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   509
 * Ref_Assign     : Ref_Name ':=' (Ref_Name | Ref_Deref | Ref_Value ) ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   510
 * Ref_Deref      : 'DREF' '(' Ref_Name ')' ;
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   511
 */
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   512
909
8b2a31dea131 Add support for REF_TO derived datatypes (along with datatype verification)
mjsousa
parents: 876
diff changeset
   513
/* REF_TO (non_generic_type_name | function_block_type_name) */
876
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   514
SYM_REF1(ref_spec_c, type_name)
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   515
909
8b2a31dea131 Add support for REF_TO derived datatypes (along with datatype verification)
mjsousa
parents: 876
diff changeset
   516
/* ref_spec [ ASSIGN ref_initialization ]; */
8b2a31dea131 Add support for REF_TO derived datatypes (along with datatype verification)
mjsousa
parents: 876
diff changeset
   517
/* NOTE: ref_initialization may be NULL!!  */
8b2a31dea131 Add support for REF_TO derived datatypes (along with datatype verification)
mjsousa
parents: 876
diff changeset
   518
SYM_REF2(ref_spec_init_c, ref_spec, ref_initialization)
8b2a31dea131 Add support for REF_TO derived datatypes (along with datatype verification)
mjsousa
parents: 876
diff changeset
   519
8b2a31dea131 Add support for REF_TO derived datatypes (along with datatype verification)
mjsousa
parents: 876
diff changeset
   520
/* identifier ':' ref_spec_init */
876
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   521
SYM_REF2(ref_type_decl_c, ref_type_name, ref_spec_init)
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   522
e2c4f6f4abe2 Add support for parsing of REF_TO keyword (defined in IEC61131-3 v3). This support is currently inactive (in flex) until we get to add C code generation later on.
mjsousa
parents: 873
diff changeset
   523
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   524
/*********************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   525
/* B 1.4 - Variables */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   526
/*********************/
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   527
SYM_REF1(symbolic_variable_c, var_name)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   528
963
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   529
/* symbolic_constant_c is used only when a variable is used inside the subrange of an array declaration
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   530
 *    e.g.: ARRAY [1 .. maxval] OF INT
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   531
 *  where maxval is a CONSTANT variable. 
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   532
 *  When maxval shows up in the POU body,          it will be stored as a standard symbolic_variable_c in the AST.
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   533
 *  When maxval shows up in the ARRAY declaration, it will be stored as a          symbolic_constant_c in the AST.
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   534
 *  This will allow us to more easily handle this special case, without affecting the remaining working code.
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   535
 */ 
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   536
SYM_REF1(symbolic_constant_c, var_name)  // a non-standard extension!!
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   537
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   538
/********************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   539
/* B.1.4.1   Directly Represented Variables */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   540
/********************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   541
SYM_TOKEN(direct_variable_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   542
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   543
/*************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   544
/* B.1.4.2   Multi-element Variables */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   545
/*************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   546
/*  subscripted_variable '[' subscript_list ']' */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   547
SYM_REF2(array_variable_c, subscripted_variable, subscript_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   548
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   549
/* subscript_list ',' subscript */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   550
SYM_LIST(subscript_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   551
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   552
/*  record_variable '.' field_selector */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   553
/*  WARNING: input and/or output variables of function blocks
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   554
 *           may be accessed as fields of a structured variable!
619
f8c9ac5c529a Support for data types of STEP.T and STEP.X in SFCs
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   555
 *           Code handling a structured_variable_c must take this into account!
f8c9ac5c529a Support for data types of STEP.T and STEP.X in SFCs
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   556
 *           (i.e. that a FB instance may be accessed as a structured variable)!
f8c9ac5c529a Support for data types of STEP.T and STEP.X in SFCs
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   557
 *
f8c9ac5c529a Support for data types of STEP.T and STEP.X in SFCs
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   558
 *  WARNING: Status bit (.X) and activation time (.T) of STEPS in SFC diagrams
f8c9ac5c529a Support for data types of STEP.T and STEP.X in SFCs
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   559
 *           may be accessed as fields of a structured variable!
f8c9ac5c529a Support for data types of STEP.T and STEP.X in SFCs
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   560
 *           Code handling a structured_variable_c must take this into account 
f8c9ac5c529a Support for data types of STEP.T and STEP.X in SFCs
Mario de Sousa <msousa@fe.up.pt>
parents: 592
diff changeset
   561
 *           (i.e. that an SFC STEP may be accessed as a structured variable)!
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   562
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   563
SYM_REF2(structured_variable_c, record_variable, field_selector)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   564
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   565
/******************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   566
/* B 1.4.3 - Declaration & Initialisation */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   567
/******************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   568
SYM_REF0(constant_option_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   569
SYM_REF0(retain_option_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   570
SYM_REF0(non_retain_option_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   571
963
e3d4dca7520b Do constant folding of variable's initial value (allows correct C code generation with variables in the subrange of an array declaration: ARRAY [1..max] of INT).
mjsousa
parents: 958
diff changeset
   572
/* VAR_INPUT [option] input_declaration_list END_VAR */
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   573
/* option -> the RETAIN/NON_RETAIN/<NULL> directive... */
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   574
/* NOTE: We need to implicitly define the EN and ENO function and FB parameters when the user
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   575
 *       does not do it explicitly in the IEC 61131-3 source code. 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   576
 *       To be able to distinguish later on between implictly and explicitly defined
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   577
 *       variables, we use the 'method' flag that allows us to remember
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   578
 *       whether this declaration was in the original source code (method -> implicit_definition_c) 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   579
 *       or not (method -> explicit_definition_c).
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   580
 */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   581
SYM_REF3(input_declarations_c, option, input_declaration_list, method)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   582
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   583
/* helper symbol for input_declarations */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   584
SYM_LIST(input_declaration_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   585
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   586
/* NOTE: The formal definition of the standard is erroneous, as it simply does not
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   587
 *       consider the EN and ENO keywords!
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   588
 *       The semantic description of the languages clearly states that these may be
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   589
 *       used in several ways. One of them is to declare an EN input parameter, or
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   590
 *       an ENO output parameter.
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   591
 *       We have added the 'en_param_declaration_c' and 'eno_param_declaration_c' 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   592
 *       to cover for this.
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   593
 *
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   594
 *       We could have re-used the standard class used for all other input variables (with
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   595
 *       an identifier set to 'EN' or 'ENO') however we may sometimes need to add this
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   596
 *       declaration implicitly (if the user does not include it in the source
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   597
 *       code himself), and it is good to know whether it was added implicitly or not.
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   598
 *       So we create a new class that has a 'method' flag that allows us to remember
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   599
 *       whether this declaration was in the original source code (method -> implicit_definition_c) 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   600
 *       or not (method -> explicit_definition_c).
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   601
 */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   602
SYM_REF0(implicit_definition_c)
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   603
SYM_REF0(explicit_definition_c)
805
b737cfc92614 Use simple_spec_init_c inside en_param_declaration_c (will reduce need to handle it as a special case in the future).
Mario de Sousa <msousa@fe.up.pt>
parents: 738
diff changeset
   604
/* type_decl is a simple_spec_init_c */
b737cfc92614 Use simple_spec_init_c inside en_param_declaration_c (will reduce need to handle it as a special case in the future).
Mario de Sousa <msousa@fe.up.pt>
parents: 738
diff changeset
   605
SYM_REF3(en_param_declaration_c, name, type_decl, method)
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   606
SYM_REF3(eno_param_declaration_c, name, type, method)
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   607
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   608
/* edge -> The F_EDGE or R_EDGE directive */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   609
SYM_REF2(edge_declaration_c, edge, var1_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   610
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   611
SYM_REF0(raising_edge_option_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   612
SYM_REF0(falling_edge_option_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   613
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   614
/* spec_init is one of the following...
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   615
 *    simple_spec_init_c *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   616
 *    subrange_spec_init_c *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   617
 *    enumerated_spec_init_c *
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   618
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   619
SYM_REF2(var1_init_decl_c, var1_list, spec_init)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   620
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   621
/* | var1_list ',' variable_name */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   622
SYM_LIST(var1_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   623
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   624
/* | [var1_list ','] variable_name integer '..' */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   625
/* NOTE: This is an extension to the standard!!! */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   626
/* In order to be able to handle extensible standard functions
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   627
 * (i.e. standard functions that may have a variable number of
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   628
 * input parameters, such as AND(word#33, word#44, word#55, word#66),
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   629
 * we have extended the acceptable syntax to allow var_name '..'
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   630
 * in an input variable declaration.
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   631
 *
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   632
 * This allows us to parse the declaration of standard
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   633
 * extensible functions and load their interface definition
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   634
 * into the abstract syntax tree just like we do to other 
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   635
 * user defined functions.
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   636
 * This has the advantage that we can later do semantic
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   637
 * checking of calls to functions (be it a standard or user defined
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   638
 * function) in (almost) exactly the same way.
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   639
 *
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   640
 * The integer tells the compiler the number of the first parameter.
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   641
 * for example, for ADD(IN1 := 11, IN2:=22), the index for IN starts off at 1.
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   642
 * Some other standard library functions, such as MUX, has the extensible
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   643
 * variable starting off from 0 (IN0, IN1, IN2, ...).
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   644
 *
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   645
 * Of course, we have a flag that disables this syntax when parsing user
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   646
 * written code, so we only allow this extra syntax while parsing the 
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   647
 * 'header' file that declares all the standard IEC 61131-3 functions.
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   648
 */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   649
SYM_REF2(extensible_input_parameter_c, var_name, first_index)
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   650
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   651
/* var1_list ':' array_spec_init */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   652
SYM_REF2(array_var_init_decl_c, var1_list, array_spec_init)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   653
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   654
/*  var1_list ':' initialized_structure */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   655
SYM_REF2(structured_var_init_decl_c, var1_list, initialized_structure)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   656
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   657
/* fb_name_list ':' function_block_type_name ASSIGN structure_initialization */
810
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   658
/* NOTE: in order to allow datatype handling to proceed using the normal algorithm with no special cases,
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   659
 * we will be storing the 
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   660
 *    function_block_type_name ASSIGN structure_initialization
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   661
 * componentes inside a new node, namely fb_spec_init_c
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   662
 */
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   663
/* structure_initialization -> may be NULL ! */
810
d9c48ad646f1 Add a new node to the abstract symtax tree, which will let us do datatype checking of FB variable declarations using the standard algorithm, and no special cases.
Mario de Sousa <msousa@fe.up.pt>
parents: 805
diff changeset
   664
SYM_REF2(fb_name_decl_c, fb_name_list, fb_spec_init)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   665
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   666
/* fb_name_list ',' fb_name */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   667
SYM_LIST(fb_name_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   668
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   669
/* VAR_OUTPUT [RETAIN | NON_RETAIN] var_init_decl_list END_VAR */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   670
/* option -> may be NULL ! */
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   671
/* NOTE: We need to implicitly define the EN and ENO function and FB parameters when the user
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   672
 *       does not do it explicitly in the IEC 61131-3 source code. 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   673
 *       To be able to distinguish later on between implictly and explicitly defined
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   674
 *       variables, we use the 'method' flag that allows us to remember
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   675
 *       whether this declaration was in the original source code (method -> implicit_definition_c) 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   676
 *       or not (method -> explicit_definition_c).
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   677
 */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
   678
SYM_REF3(output_declarations_c, option, var_init_decl_list, method)
146
eef5e62048c7 Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents: 143
diff changeset
   679
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   680
/*  VAR_IN_OUT var_declaration_list END_VAR */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   681
SYM_REF1(input_output_declarations_c, var_declaration_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   682
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   683
/* helper symbol for input_output_declarations */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   684
/* var_declaration_list var_declaration ';' */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   685
SYM_LIST(var_declaration_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   686
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   687
/*  var1_list ':' array_specification */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   688
SYM_REF2(array_var_declaration_c, var1_list, array_specification)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   689
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   690
/*  var1_list ':' structure_type_name */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   691
SYM_REF2(structured_var_declaration_c, var1_list, structure_type_name)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   692
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   693
/* VAR [CONSTANT] var_init_decl_list END_VAR */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   694
/* option -> may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   695
SYM_REF2(var_declarations_c, option, var_init_decl_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   696
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   697
/*  VAR RETAIN var_init_decl_list END_VAR */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   698
SYM_REF1(retentive_var_declarations_c, var_init_decl_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   699
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   700
/*  VAR [CONSTANT|RETAIN|NON_RETAIN] located_var_decl_list END_VAR */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   701
/* option -> may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   702
SYM_REF2(located_var_declarations_c, option, located_var_decl_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   703
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   704
/* helper symbol for located_var_declarations */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   705
/* located_var_decl_list located_var_decl ';' */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   706
SYM_LIST(located_var_decl_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   707
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   708
/*  [variable_name] location ':' located_var_spec_init */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   709
/* variable_name -> may be NULL ! */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   710
SYM_REF3(located_var_decl_c, variable_name, location, located_var_spec_init)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   711
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   712
/*| VAR_EXTERNAL [CONSTANT] external_declaration_list END_VAR */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   713
/* option -> may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   714
SYM_REF2(external_var_declarations_c, option, external_declaration_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   715
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   716
/* helper symbol for external_var_declarations */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   717
/*| external_declaration_list external_declaration';' */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   718
SYM_LIST(external_declaration_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   719
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   720
/*  global_var_name ':' (simple_specification|subrange_specification|enumerated_specification|array_specification|prev_declared_structure_type_name|function_block_type_name */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   721
SYM_REF2(external_declaration_c, global_var_name, specification)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   722
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   723
/*| VAR_GLOBAL [CONSTANT|RETAIN] global_var_decl_list END_VAR */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   724
/* option -> may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   725
SYM_REF2(global_var_declarations_c, option, global_var_decl_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   726
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   727
/* helper symbol for global_var_declarations */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   728
/*| global_var_decl_list global_var_decl ';' */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   729
SYM_LIST(global_var_decl_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   730
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   731
/*| global_var_spec ':' [located_var_spec_init|function_block_type_name] */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   732
/* type_specification ->may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   733
SYM_REF2(global_var_decl_c, global_var_spec, type_specification)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   734
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   735
/*| global_var_name location */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   736
SYM_REF2(global_var_spec_c, global_var_name, location)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   737
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   738
/*  AT direct_variable */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   739
SYM_REF1(location_c, direct_variable)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   740
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   741
/*| global_var_list ',' global_var_name */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   742
SYM_LIST(global_var_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   743
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   744
/*  var1_list ':' single_byte_string_spec */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   745
SYM_REF2(single_byte_string_var_declaration_c, var1_list, single_byte_string_spec)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   746
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   747
/*  STRING ['[' integer ']'] [ASSIGN single_byte_character_string] */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   748
/* integer ->may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   749
/* single_byte_character_string ->may be NULL ! */
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   750
SYM_REF2(single_byte_string_spec_c, string_spec, single_byte_character_string)
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   751
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   752
/*   STRING ['[' integer ']'] */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   753
/* integer ->may be NULL ! */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   754
SYM_REF2(single_byte_limited_len_string_spec_c, string_type_name, character_string_len)
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   755
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   756
/*  WSTRING ['[' integer ']'] */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   757
/* integer ->may be NULL ! */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   758
SYM_REF2(double_byte_limited_len_string_spec_c, string_type_name, character_string_len)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   759
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   760
/*  var1_list ':' double_byte_string_spec */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   761
SYM_REF2(double_byte_string_var_declaration_c, var1_list, double_byte_string_spec)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   762
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   763
/*  WSTRING ['[' integer ']'] [ASSIGN double_byte_character_string] */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   764
/* integer ->may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   765
/* double_byte_character_string ->may be NULL ! */
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   766
SYM_REF2(double_byte_string_spec_c, string_spec, double_byte_character_string)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   767
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   768
/*| VAR [RETAIN|NON_RETAIN] incompl_located_var_decl_list END_VAR */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   769
/* option ->may be NULL ! */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   770
SYM_REF2(incompl_located_var_declarations_c, option, incompl_located_var_decl_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   771
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   772
/* helper symbol for incompl_located_var_declarations */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   773
/*| incompl_located_var_decl_list incompl_located_var_decl ';' */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   774
SYM_LIST(incompl_located_var_decl_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   775
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   776
/*  variable_name incompl_location ':' var_spec */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   777
SYM_REF3(incompl_located_var_decl_c, variable_name, incompl_location, var_spec)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   778
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   779
/*  AT incompl_location_token */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   780
SYM_TOKEN(incompl_location_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   781
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   782
/* intermediate helper symbol for:
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   783
 *  - non_retentive_var_decls
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   784
 *  - output_declarations
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   785
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   786
SYM_LIST(var_init_decl_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   787
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   788
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   789
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   790
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   791
/**************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   792
/* B.1.5 - Program organization units */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   793
/**************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   794
/***********************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   795
/* B 1.5.1 - Functions */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   796
/***********************/
738
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   797
/* enumvalue_symtable is filled in by enum_declaration_check_c, during stage3 semantic verification, with a list of all enumerated constants declared inside this POU */
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   798
SYM_REF4(function_declaration_c, derived_function_name, type_name, var_declarations_list, function_body, enumvalue_symtable_t enumvalue_symtable;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   799
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   800
/* intermediate helper symbol for
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   801
 * - function_declaration
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   802
 * - function_block_declaration
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   803
 * - program_declaration
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   804
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   805
SYM_LIST(var_declarations_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   806
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   807
/* option -> storage method, CONSTANT or <null> */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   808
SYM_REF2(function_var_decls_c, option, decl_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   809
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   810
/* intermediate helper symbol for function_var_decls */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   811
SYM_LIST(var2_init_decl_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   812
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   813
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   814
/*****************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   815
/* B 1.5.2 - Function Blocks */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   816
/*****************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   817
/*  FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
738
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   818
/* enumvalue_symtable is filled in by enum_declaration_check_c, during stage3 semantic verification, with a list of all enumerated constants declared inside this POU */
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   819
SYM_REF3(function_block_declaration_c, fblock_name, var_declarations, fblock_body, enumvalue_symtable_t enumvalue_symtable;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   820
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   821
/* intermediate helper symbol for function_declaration */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   822
/*  { io_var_declarations | other_var_declarations }   */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   823
/*
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   824
 * NOTE: we re-use the var_declarations_list_c
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   825
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   826
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   827
/*  VAR_TEMP temp_var_decl_list END_VAR */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   828
SYM_REF1(temp_var_decls_c, var_decl_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   829
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   830
/* intermediate helper symbol for temp_var_decls */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   831
SYM_LIST(temp_var_decls_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   832
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   833
/*  VAR NON_RETAIN var_init_decl_list END_VAR */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   834
SYM_REF1(non_retentive_var_decls_c, var_decl_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   835
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   836
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   837
/**********************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   838
/* B 1.5.3 - Programs */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   839
/**********************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   840
/*  PROGRAM program_type_name program_var_declarations_list function_block_body END_PROGRAM */
738
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   841
/* enumvalue_symtable is filled in by enum_declaration_check_c, during stage3 semantic verification, with a list of all enumerated constants declared inside this POU */
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   842
SYM_REF3(program_declaration_c, program_type_name, var_declarations, function_block_body, enumvalue_symtable_t enumvalue_symtable;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   843
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   844
/* intermediate helper symbol for program_declaration_c */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   845
/*  { io_var_declarations | other_var_declarations }   */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   846
/*
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   847
 * NOTE: we re-use the var_declarations_list_c
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   848
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   849
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   850
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   851
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   852
/*********************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   853
/* B.1.6  Sequential function chart elements */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   854
/*********************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   855
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   856
/* | sequential_function_chart sfc_network */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   857
SYM_LIST(sequential_function_chart_c)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   858
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   859
/* initial_step {step | transition | action} */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   860
SYM_LIST(sfc_network_c)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   861
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   862
/* INITIAL_STEP step_name ':' action_association_list END_STEP */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   863
SYM_REF2(initial_step_c, step_name, action_association_list)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   864
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   865
/* | action_association_list action_association ';' */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   866
SYM_LIST(action_association_list_c)
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   867
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   868
/* STEP step_name ':' action_association_list END_STEP */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   869
SYM_REF2(step_c, step_name, action_association_list)
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   870
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   871
/* action_name '(' action_qualifier indicator_name_list ')' */
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   872
/* action_qualifier -> may be NULL ! */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   873
SYM_REF3(action_association_c, action_name, action_qualifier, indicator_name_list)
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   874
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   875
/* N | R | S | P */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   876
SYM_TOKEN(qualifier_c)
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   877
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   878
/* L | D | SD | DS | SL */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   879
SYM_TOKEN(timed_qualifier_c)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   880
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   881
/* | indicator_name_list ',' indicator_name */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   882
SYM_LIST(indicator_name_list_c)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   883
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   884
/* qualifier | timed_qualifier ',' action_time */
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   885
/* action_time -> may be NULL ! */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   886
SYM_REF2(action_qualifier_c, action_qualifier, action_time)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   887
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   888
/* TRANSITION [transition_name] ['(' PRIORITY ASSIGN integer ')'] 
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   889
 *   FROM steps TO steps 
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   890
 *   transition_condition 
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   891
 * END_TRANSITION
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   892
*/
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   893
/* transition_name -> may be NULL ! */
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   894
/* integer -> may be NULL ! */
87
b97f9ad7b2c6 Bug on SFC transition parsing and generation fixed
lbessard
parents: 69
diff changeset
   895
SYM_REF5(transition_c, transition_name, integer, from_steps, to_steps, transition_condition)
b97f9ad7b2c6 Bug on SFC transition parsing and generation fixed
lbessard
parents: 69
diff changeset
   896
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   897
/* ':' eol_list simple_instr_list | ASSIGN expression ';' */
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   898
/* transition_condition_il -> may be NULL ! */
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   899
/* transition_condition_st -> may be NULL ! */
87
b97f9ad7b2c6 Bug on SFC transition parsing and generation fixed
lbessard
parents: 69
diff changeset
   900
SYM_REF2(transition_condition_c, transition_condition_il, transition_condition_st)
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   901
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   902
/* step_name | '(' step_name_list ')' */
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   903
/* step_name      -> may be NULL ! */
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   904
/* step_name_list -> may be NULL ! */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   905
SYM_REF2(steps_c, step_name, step_name_list)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   906
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   907
/* | step_name_list ',' step_name */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   908
SYM_LIST(step_name_list_c)
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   909
97
55ffcf693d6d adding comments.
mario
parents: 87
diff changeset
   910
/* ACTION action_name ':' function_block_body END_ACTION */
1
5d893a68be6e Changes made since Mario visit at LOLITECH. Thanks again !
etisserant
parents: 0
diff changeset
   911
SYM_REF2(action_c, action_name, function_block_body)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   912
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   913
/********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   914
/* B 1.7 Configuration elements */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   915
/********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   916
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   917
/*
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   918
CONFIGURATION configuration_name
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   919
   optional_global_var_declarations
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   920
   (resource_declaration_list | single_resource_declaration)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   921
   optional_access_declarations
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   922
   optional_instance_specific_initializations
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   923
END_CONFIGURATION
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   924
*/
738
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   925
/* enumvalue_symtable is filled in by enum_declaration_check_c, during stage3 semantic verification, with a list of all enumerated constants declared inside this POU */
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   926
SYM_REF5(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations, enumvalue_symtable_t enumvalue_symtable;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   927
862
2b6b1202f8a8 Fix bug in standard: standard does not allow multiple VAR_GLOBAL ... END_VAR constructs in configurations and resources. This is probably a bug, so we allow it.
mjsousa
parents: 810
diff changeset
   928
/* intermediate helper symbol for configuration_declaration  */
2b6b1202f8a8 Fix bug in standard: standard does not allow multiple VAR_GLOBAL ... END_VAR constructs in configurations and resources. This is probably a bug, so we allow it.
mjsousa
parents: 810
diff changeset
   929
/*  { global_var_declarations_list }   */
2b6b1202f8a8 Fix bug in standard: standard does not allow multiple VAR_GLOBAL ... END_VAR constructs in configurations and resources. This is probably a bug, so we allow it.
mjsousa
parents: 810
diff changeset
   930
SYM_LIST(global_var_declarations_list_c)
2b6b1202f8a8 Fix bug in standard: standard does not allow multiple VAR_GLOBAL ... END_VAR constructs in configurations and resources. This is probably a bug, so we allow it.
mjsousa
parents: 810
diff changeset
   931
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   932
/* helper symbol for configuration_declaration */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   933
SYM_LIST(resource_declaration_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   934
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   935
/*
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   936
RESOURCE resource_name ON resource_type_name
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   937
   optional_global_var_declarations
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   938
   single_resource_declaration
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   939
END_RESOURCE
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   940
*/
738
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   941
/* enumvalue_symtable is filled in by enum_declaration_check_c, during stage3 semantic verification, with a list of all enumerated constants declared inside this POU */
e47cc8c954db Start to move enumeration declaration checking to its own class.
Mario de Sousa <msousa@fe.up.pt>
parents: 690
diff changeset
   942
SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration, enumvalue_symtable_t enumvalue_symtable;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   943
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   944
/* task_configuration_list program_configuration_list */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   945
SYM_REF2(single_resource_declaration_c, task_configuration_list, program_configuration_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   946
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   947
/* helper symbol for single_resource_declaration */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   948
SYM_LIST(task_configuration_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   949
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   950
/* helper symbol for single_resource_declaration */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   951
SYM_LIST(program_configuration_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   952
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   953
/* helper symbol for
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   954
 *  - access_path
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   955
 *  - instance_specific_init
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   956
 */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   957
SYM_LIST(any_fb_name_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   958
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   959
/*  [resource_name '.'] global_var_name ['.' structure_element_name] */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   960
SYM_REF3(global_var_reference_c, resource_name, global_var_name, structure_element_name)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   961
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   962
/*  prev_declared_program_name '.' symbolic_variable */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   963
SYM_REF2(program_output_reference_c, program_name, symbolic_variable)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   964
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   965
/*  TASK task_name task_initialization */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   966
SYM_REF2(task_configuration_c, task_name, task_initialization)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   967
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   968
/*  '(' [SINGLE ASSIGN data_source ','] [INTERVAL ASSIGN data_source ','] PRIORITY ASSIGN integer ')' */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   969
SYM_REF3(task_initialization_c, single_data_source, interval_data_source, priority_data_source)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   970
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   971
/*  PROGRAM [RETAIN | NON_RETAIN] program_name [WITH task_name] ':' program_type_name ['(' prog_conf_elements ')'] */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   972
SYM_REF5(program_configuration_c, retain_option, program_name, task_name, program_type_name, prog_conf_elements)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   973
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   974
/* prog_conf_elements ',' prog_conf_element */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   975
SYM_LIST(prog_conf_elements_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   976
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   977
/*  fb_name WITH task_name */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   978
SYM_REF2(fb_task_c, fb_name, task_name)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   979
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   980
/*  any_symbolic_variable ASSIGN prog_data_source */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   981
SYM_REF2(prog_cnxn_assign_c, symbolic_variable, prog_data_source)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   982
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   983
/* any_symbolic_variable SENDTO data_sink */
28
5b170c9ce134 Multi-file configuration and resource generation finished
lbessard
parents: 17
diff changeset
   984
SYM_REF2(prog_cnxn_sendto_c, symbolic_variable, data_sink)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   985
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   986
/* VAR_CONFIG instance_specific_init_list END_VAR */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
   987
SYM_REF1(instance_specific_initializations_c, instance_specific_init_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   988
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   989
/* helper symbol for instance_specific_initializations */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   990
SYM_LIST(instance_specific_init_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   991
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   992
/* resource_name '.' program_name '.' {fb_name '.'}
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   993
    ((variable_name [location] ':' located_var_spec_init) | (fb_name ':' fb_initialization))
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   994
*/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   995
SYM_REF6(instance_specific_init_c, resource_name, program_name, any_fb_name_list, variable_name, location, initialization)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   996
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   997
/* helper symbol for instance_specific_init */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   998
/* function_block_type_name ':=' structure_initialization */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
   999
SYM_REF2(fb_initialization_c, function_block_type_name, structure_initialization)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1000
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1001
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1002
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1003
/****************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1004
/* B.2 - Language IL (Instruction List) */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1005
/****************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1006
/***********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1007
/* B 2.1 Instructions and Operands */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1008
/***********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1009
/*| instruction_list il_instruction */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1010
SYM_LIST(instruction_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1011
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1012
/* | label ':' [il_incomplete_instruction] eol_list */
672
dee28c5bdc73 Use doubly linked connections for flow control graph (will be used later).
Mario de Sousa <msousa@fe.up.pt>
parents: 619
diff changeset
  1013
/* NOTE: The parameters 'prev_il_instruction'/'next_il_instruction' are used to point to all previous/next il instructions that may be executed imedaitely before/after this instruction.
dee28c5bdc73 Use doubly linked connections for flow control graph (will be used later).
Mario de Sousa <msousa@fe.up.pt>
parents: 619
diff changeset
  1014
 *       In case of an il instruction preceded by a label, the previous_il_instruction will include all IL instructions that jump to this label!
443
ff4d26b7e51d Narrow IL code backwords, so as to correctly handle invocations to overloaded functions from IL code.
Mario de Sousa <msousa@fe.up.pt>
parents: 439
diff changeset
  1015
 *       It is filled in by the flow_control_analysis_c during stage 3.
685
5b19e376cc94 Fix flow control analysis of IL simple instructions (i.e. IL instructions inside parenthises!)
Mario de Sousa <msousa@fe.up.pt>
parents: 672
diff changeset
  1016
 *       This will essentially be a doubly linked list of il_instruction_c and il_simple_instruction_c objects!!
443
ff4d26b7e51d Narrow IL code backwords, so as to correctly handle invocations to overloaded functions from IL code.
Mario de Sousa <msousa@fe.up.pt>
parents: 439
diff changeset
  1017
 */
672
dee28c5bdc73 Use doubly linked connections for flow control graph (will be used later).
Mario de Sousa <msousa@fe.up.pt>
parents: 619
diff changeset
  1018
SYM_REF2(il_instruction_c, label, il_instruction, std::vector <symbol_c *> prev_il_instruction, next_il_instruction;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1019
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1020
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1021
/* | il_simple_operator [il_operand] */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1022
SYM_REF2(il_simple_operation_c, il_simple_operator, il_operand)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1023
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1024
/* | function_name [il_operand_list] */
438
744b125d911e Add support for semantic verification of function calls in IL.
Mario de Sousa <msousa@fe.up.pt>
parents: 424
diff changeset
  1025
/* NOTE: The parameter 'called_function_declaration', 'extensible_param_count' and 'candidate_functions' are used to pass data between the stage 3 and stage 4.
399
55b074ea7255 Fix bug with functions like LEN and TRUNC that have overloaded return type for same inputs type
laurent
parents: 350
diff changeset
  1026
 *       data between the stage 3 and stage 4.
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
  1027
 *       See the comment above function_invocation_c for more details 
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
  1028
 */
438
744b125d911e Add support for semantic verification of function calls in IL.
Mario de Sousa <msousa@fe.up.pt>
parents: 424
diff changeset
  1029
SYM_REF2(il_function_call_c, function_name, il_operand_list, symbol_c *called_function_declaration; int extensible_param_count; std::vector <symbol_c *> candidate_functions;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1030
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1031
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1032
/* | il_expr_operator '(' [il_operand] eol_list [simple_instr_list] ')' */
690
6156ee2b4e32 Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents: 685
diff changeset
  1033
/* WARNING
6156ee2b4e32 Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents: 685
diff changeset
  1034
 *   The semantics of the il_expression_c.il_operand member is NOT what you may expect!
6156ee2b4e32 Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents: 685
diff changeset
  1035
 *   In order to simplify processing of the IL code, stage2 will prepend an artifical (and equivalent) 'LD <il_operand>' IL instruction into the simple_instr_list
6156ee2b4e32 Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents: 685
diff changeset
  1036
 *   The il_expression_c.il_operand is maintained, in case we really need to handle it as a special case!
6156ee2b4e32 Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents: 685
diff changeset
  1037
 *   See the comments in iec_bison.yy for details and an example.
6156ee2b4e32 Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents: 685
diff changeset
  1038
 */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
  1039
SYM_REF3(il_expression_c, il_expr_operator, il_operand, simple_instr_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1040
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1041
/*  il_jump_operator label */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1042
SYM_REF2(il_jump_operation_c, il_jump_operator, label)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1043
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1044
/*   il_call_operator prev_declared_fb_name
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1045
 * | il_call_operator prev_declared_fb_name '(' ')'
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1046
 * | il_call_operator prev_declared_fb_name '(' eol_list ')'
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1047
 * | il_call_operator prev_declared_fb_name '(' il_operand_list ')'
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1048
 * | il_call_operator prev_declared_fb_name '(' eol_list il_param_list ')'
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1049
 */
439
cf7d6862033d Add semantic verification of FB calls in IL (not yet complete - missing printing of errors!)
Mario de Sousa <msousa@fe.up.pt>
parents: 438
diff changeset
  1050
/* NOTE: The parameter 'called_fb_declaration'is used to pass data between stage 3 and stage4 (although currently it is not used in stage 4 */
cf7d6862033d Add semantic verification of FB calls in IL (not yet complete - missing printing of errors!)
Mario de Sousa <msousa@fe.up.pt>
parents: 438
diff changeset
  1051
SYM_REF4(il_fb_call_c, il_call_operator, fb_name, il_operand_list, il_param_list, symbol_c *called_fb_declaration;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1052
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1053
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1054
/* | function_name '(' eol_list [il_param_list] ')' */
438
744b125d911e Add support for semantic verification of function calls in IL.
Mario de Sousa <msousa@fe.up.pt>
parents: 424
diff changeset
  1055
/* NOTE: The parameter 'called_function_declaration', 'extensible_param_count' and 'candidate_functions' are used to pass data between the stage 3 and stage 4.
744b125d911e Add support for semantic verification of function calls in IL.
Mario de Sousa <msousa@fe.up.pt>
parents: 424
diff changeset
  1056
 *       See the comment above function_invocation_c for more details. 
744b125d911e Add support for semantic verification of function calls in IL.
Mario de Sousa <msousa@fe.up.pt>
parents: 424
diff changeset
  1057
 */
744b125d911e Add support for semantic verification of function calls in IL.
Mario de Sousa <msousa@fe.up.pt>
parents: 424
diff changeset
  1058
SYM_REF2(il_formal_funct_call_c, function_name, il_param_list, symbol_c *called_function_declaration; int extensible_param_count; std::vector <symbol_c *> candidate_functions;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1059
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1060
/* | il_operand_list ',' il_operand */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1061
SYM_LIST(il_operand_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1062
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1063
/* | simple_instr_list il_simple_instruction */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1064
SYM_LIST(simple_instr_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1065
453
4733f662362a More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents: 447
diff changeset
  1066
4733f662362a More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents: 447
diff changeset
  1067
/* il_simple_instruction:
4733f662362a More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents: 447
diff changeset
  1068
 *   il_simple_operation eol_list
4733f662362a More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents: 447
diff changeset
  1069
 * | il_expression eol_list
4733f662362a More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents: 447
diff changeset
  1070
 * | il_formal_funct_call eol_list
4733f662362a More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents: 447
diff changeset
  1071
 */
685
5b19e376cc94 Fix flow control analysis of IL simple instructions (i.e. IL instructions inside parenthises!)
Mario de Sousa <msousa@fe.up.pt>
parents: 672
diff changeset
  1072
/* NOTE: The parameters 'prev_il_instruction'/'next_il_instruction' are used to point to all previous/next il instructions that may be executed imedaitely before/after this instruction.
5b19e376cc94 Fix flow control analysis of IL simple instructions (i.e. IL instructions inside parenthises!)
Mario de Sousa <msousa@fe.up.pt>
parents: 672
diff changeset
  1073
 *       In case of an il instruction preceded by a label, the previous_il_instruction will include all IL instructions that jump to this label!
5b19e376cc94 Fix flow control analysis of IL simple instructions (i.e. IL instructions inside parenthises!)
Mario de Sousa <msousa@fe.up.pt>
parents: 672
diff changeset
  1074
 *       It is filled in by the flow_control_analysis_c during stage 3.
5b19e376cc94 Fix flow control analysis of IL simple instructions (i.e. IL instructions inside parenthises!)
Mario de Sousa <msousa@fe.up.pt>
parents: 672
diff changeset
  1075
 *       This will essentially be a doubly linked list of il_instruction_c and il_simple_instruction_c objects!!
5b19e376cc94 Fix flow control analysis of IL simple instructions (i.e. IL instructions inside parenthises!)
Mario de Sousa <msousa@fe.up.pt>
parents: 672
diff changeset
  1076
 */
5b19e376cc94 Fix flow control analysis of IL simple instructions (i.e. IL instructions inside parenthises!)
Mario de Sousa <msousa@fe.up.pt>
parents: 672
diff changeset
  1077
SYM_REF1(il_simple_instruction_c, il_simple_instruction, std::vector <symbol_c *> prev_il_instruction, next_il_instruction;)
453
4733f662362a More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents: 447
diff changeset
  1078
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1079
/* | il_initial_param_list il_param_instruction */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1080
SYM_LIST(il_param_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1081
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1082
/*  il_assign_operator il_operand
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1083
 * | il_assign_operator '(' eol_list simple_instr_list ')'
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1084
 */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
  1085
SYM_REF3(il_param_assignment_c, il_assign_operator, il_operand, simple_instr_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1086
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1087
/*  il_assign_out_operator variable */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1088
SYM_REF2(il_param_out_assignment_c, il_assign_out_operator, variable)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1089
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1090
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1091
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1092
/*******************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1093
/* B 2.2 Operators */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1094
/*******************/
476
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1095
/* NOTE: The parameter 'called_fb_declaration' is used to pass data between stage 3 and stage4 (although currently it is not used in stage 4 */
477
c0c6ff7357b7 Clarify some details in the comments.
Mario de Sousa <msousa@fe.up.pt>
parents: 476
diff changeset
  1096
/* NOTE: The parameter 'deprecated_operation' indicates that the operation, with the specific data types being used, is currently defined
478
b13feab3b918 Change setting of deprecated_operation from fill to narrow_candidate_datatypes_c.
Mario de Sousa <msousa@fe.up.pt>
parents: 477
diff changeset
  1097
 *       in the standard as being deprecated. This variable is filled in with the correct value in stage 3 (narrow_candidate_datatypes_c) 
477
c0c6ff7357b7 Clarify some details in the comments.
Mario de Sousa <msousa@fe.up.pt>
parents: 476
diff changeset
  1098
 *       and currently only used in stage 3 (print_datatypes_error_c).
c0c6ff7357b7 Clarify some details in the comments.
Mario de Sousa <msousa@fe.up.pt>
parents: 476
diff changeset
  1099
 */ 
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1100
SYM_REF0(LD_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1101
SYM_REF0(LDN_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1102
SYM_REF0(ST_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1103
SYM_REF0(STN_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1104
SYM_REF0(NOT_operator_c)
447
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1105
SYM_REF0(S_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1106
SYM_REF0(R_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1107
SYM_REF0(S1_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1108
SYM_REF0(R1_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1109
SYM_REF0(CLK_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1110
SYM_REF0(CU_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1111
SYM_REF0(CD_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1112
SYM_REF0(PV_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1113
SYM_REF0(IN_operator_c, symbol_c *called_fb_declaration;)
aad0f3e5df33 Start of support for semantic verification of FB calls in IL using special IL instructions.
Mario de Sousa <msousa@fe.up.pt>
parents: 443
diff changeset
  1114
SYM_REF0(PT_operator_c, symbol_c *called_fb_declaration;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1115
SYM_REF0(AND_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1116
SYM_REF0(OR_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1117
SYM_REF0(XOR_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1118
SYM_REF0(ANDN_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1119
SYM_REF0(ORN_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1120
SYM_REF0(XORN_operator_c)
476
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1121
SYM_REF0(ADD_operator_c, bool deprecated_operation;)
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1122
SYM_REF0(SUB_operator_c, bool deprecated_operation;)
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1123
SYM_REF0(MUL_operator_c, bool deprecated_operation;)
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1124
SYM_REF0(DIV_operator_c, bool deprecated_operation;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1125
SYM_REF0(MOD_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1126
SYM_REF0(GT_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1127
SYM_REF0(GE_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1128
SYM_REF0(EQ_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1129
SYM_REF0(LT_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1130
SYM_REF0(LE_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1131
SYM_REF0(NE_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1132
SYM_REF0(CAL_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1133
SYM_REF0(CALC_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1134
SYM_REF0(CALCN_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1135
SYM_REF0(RET_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1136
SYM_REF0(RETC_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1137
SYM_REF0(RETCN_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1138
SYM_REF0(JMP_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1139
SYM_REF0(JMPC_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1140
SYM_REF0(JMPCN_operator_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1141
143
73372bdeeffb Adding support for EN/ENO parameters in bison rules
lbessard
parents: 118
diff changeset
  1142
/*  any_identifier ASSIGN */
73372bdeeffb Adding support for EN/ENO parameters in bison rules
lbessard
parents: 118
diff changeset
  1143
SYM_REF1(il_assign_operator_c, variable_name)
73372bdeeffb Adding support for EN/ENO parameters in bison rules
lbessard
parents: 118
diff changeset
  1144
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1145
/*| [NOT] any_identifier SENDTO */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1146
SYM_REF2(il_assign_out_operator_c, option, variable_name)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1147
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1148
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1149
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1150
/***************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1151
/* B.3 - Language ST (Structured Text) */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1152
/***************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1153
/***********************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1154
/* B 3.1 - Expressions */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1155
/***********************/
936
0f7bcc160568 Fix bug: Add support for de-referencing pointers to struct (struct_ptr^.elem1) when used inside FB.
mjsousa
parents: 933
diff changeset
  1156
SYM_REF1(  ref_expression_c, exp)  /* an extension to the IEC 61131-3 standard - based on the IEC 61131-3 v3 standard.  REF() -> returns address of the varible! */
0f7bcc160568 Fix bug: Add support for de-referencing pointers to struct (struct_ptr^.elem1) when used inside FB.
mjsousa
parents: 933
diff changeset
  1157
SYM_REF1(deref_expression_c, exp)  /* an extension to the IEC 61131-3 standard - based on the IEC 61131-3 v3 standard. DREF() -> dereferences an address!        */
0f7bcc160568 Fix bug: Add support for de-referencing pointers to struct (struct_ptr^.elem1) when used inside FB.
mjsousa
parents: 933
diff changeset
  1158
SYM_REF1(deref_operator_c,   exp)  /* an extension to the IEC 61131-3 standard - based on the IEC 61131-3 v3 standard.    ^   -> dereferences an address!        */
933
76324f461aed Add support for de-referencing of REF_TO datatypes (Note: dereferencing of arrays and structs not yet supported!)
mjsousa
parents: 921
diff changeset
  1159
SYM_REF2( or_expression_c, l_exp, r_exp)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1160
SYM_REF2(xor_expression_c, l_exp, r_exp)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1161
SYM_REF2(and_expression_c, l_exp, r_exp)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1162
SYM_REF2(equ_expression_c, l_exp, r_exp)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1163
SYM_REF2(notequ_expression_c, l_exp, r_exp)
933
76324f461aed Add support for de-referencing of REF_TO datatypes (Note: dereferencing of arrays and structs not yet supported!)
mjsousa
parents: 921
diff changeset
  1164
SYM_REF2( lt_expression_c, l_exp, r_exp)
76324f461aed Add support for de-referencing of REF_TO datatypes (Note: dereferencing of arrays and structs not yet supported!)
mjsousa
parents: 921
diff changeset
  1165
SYM_REF2( gt_expression_c, l_exp, r_exp)
76324f461aed Add support for de-referencing of REF_TO datatypes (Note: dereferencing of arrays and structs not yet supported!)
mjsousa
parents: 921
diff changeset
  1166
SYM_REF2( le_expression_c, l_exp, r_exp)
76324f461aed Add support for de-referencing of REF_TO datatypes (Note: dereferencing of arrays and structs not yet supported!)
mjsousa
parents: 921
diff changeset
  1167
SYM_REF2( ge_expression_c, l_exp, r_exp)
476
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1168
SYM_REF2(add_expression_c, l_exp, r_exp, bool deprecated_operation;)
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1169
SYM_REF2(sub_expression_c, l_exp, r_exp, bool deprecated_operation;)
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1170
SYM_REF2(mul_expression_c, l_exp, r_exp, bool deprecated_operation;)
38d85e9a0507 Add check widening status for IL operator.
Manuele Conti <conti.ma@alice.it>
parents: 471
diff changeset
  1171
SYM_REF2(div_expression_c, l_exp, r_exp, bool deprecated_operation;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1172
SYM_REF2(mod_expression_c, l_exp, r_exp)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1173
SYM_REF2(power_expression_c, l_exp, r_exp)
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
  1174
SYM_REF1(neg_expression_c, exp)
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
  1175
SYM_REF1(not_expression_c, exp)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1176
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
  1177
/*    formal_param_list -> may be NULL ! */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
  1178
/* nonformal_param_list -> may be NULL ! */
420
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1179
/* NOTES:
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1180
 *    The parameter 'called_function_declaration'... 
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1181
 *       ...is used to pass data between the stage 3 and stage 4.
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
  1182
 *       The IEC 61131-3 standard allows for overloaded standard functions. This means that some
417
d48f53715f77 Re-write of stage3 code (done by Manuele and I), re-write of search_varfb_instance_type_c (done by myself), and several other bug fixes.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
  1183
 *       function calls are not completely defined by the name of the function being called,
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
  1184
 *       and need to be disambiguated with using the data types of the parameters being passed.
417
d48f53715f77 Re-write of stage3 code (done by Manuele and I), re-write of search_varfb_instance_type_c (done by myself), and several other bug fixes.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
  1185
 *       Stage 3 does this to verify semantic correctness.
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
  1186
 *       Stage 4 also needs to do this in order to determine which function to call.
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
  1187
 *       It does not make sense to determine the exact function being called twice (once in stage 3,
417
d48f53715f77 Re-write of stage3 code (done by Manuele and I), re-write of search_varfb_instance_type_c (done by myself), and several other bug fixes.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
  1188
 *       and again in stage 4), so stage 3 will store this info in the parameter called_function_declaration
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
  1189
 *       for stage 4 to use it later on.
420
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1190
 *    The parameter 'candidate_functions'... 
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1191
 *       ...is used to pass data between two passes within stage 3
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1192
 *       (actually between fill_candidate_datatypes_c and narrow_candidate_datatypes_c).
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1193
 *       It is used to store all the functions that may be legally called with the current parameters
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1194
 *       being used in this function invocation. Note that the standard includes some standard functions
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1195
 *       that have the exact same input parameter types, but return different data types.
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1196
 *       In order to determine which of these functions should be called, we first create a list
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1197
 *       of all possible functions, and then narrow down the list (hopefully down to 1 function)
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1198
 *       once we know the data type that the function invocation must return (this will take into 
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1199
 *       account the expression in which the function invocation is inserted/occurs).
421
840cb1e1e177 Add support in stage 3 for checking function invocations in ST.
Mario de Sousa <msousa@fe.up.pt>
parents: 420
diff changeset
  1200
 *       The 'called_function_declaration' will eventually be set (in stage 3) to one of
840cb1e1e177 Add support in stage 3 for checking function invocations in ST.
Mario de Sousa <msousa@fe.up.pt>
parents: 420
diff changeset
  1201
 *       the functions in the 'candidate_functions' list!
420
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1202
 *    The parameter 'extensible_param_count'... 
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1203
 *       ...is used to pass data between the stage 3 and stage 4.
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1204
 *       The IEC 61131-3 standard allows for extensible standard functions. This means that some
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1205
 *       standard functions may be called with a variable number of paramters. Stage 3 will store
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1206
 *       in extensible_param_count the number of parameters being passed to the extensible parameter.
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1207
 */
866eb35e4e14 Fix search_varfb_instance_decl to be able to find variables and FB when only given an identifier.
Mario de Sousa <msousa@fe.up.pt>
parents: 417
diff changeset
  1208
SYM_REF3(function_invocation_c, function_name, formal_param_list, nonformal_param_list, symbol_c *called_function_declaration; int extensible_param_count; std::vector <symbol_c *> candidate_functions;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1209
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1210
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1211
/********************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1212
/* B 3.2 Statements */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1213
/********************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1214
SYM_LIST(statement_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1215
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1216
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1217
/*********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1218
/* B 3.2.1 Assignment Statements */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1219
/*********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1220
SYM_REF2(assignment_statement_c, l_exp, r_exp)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1221
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1222
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1223
/*****************************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1224
/* B 3.2.2 Subprogram Control Statements */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1225
/*****************************************/
143
73372bdeeffb Adding support for EN/ENO parameters in bison rules
lbessard
parents: 118
diff changeset
  1226
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1227
/*  RETURN */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1228
SYM_REF0(return_statement_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1229
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1230
/* fb_name '(' [param_assignment_list] ')' */
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
  1231
/*    formal_param_list -> may be NULL ! */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 194
diff changeset
  1232
/* nonformal_param_list -> may be NULL ! */
439
cf7d6862033d Add semantic verification of FB calls in IL (not yet complete - missing printing of errors!)
Mario de Sousa <msousa@fe.up.pt>
parents: 438
diff changeset
  1233
/* NOTE: The parameter 'called_fb_declaration'is used to pass data between stage 3 and stage4 (although currently it is not used in stage 4 */
424
43d73e28eca8 Continue checking data type compatibility inside expressions used to pass paramters to invalid function/FB calls
Mario de Sousa <msousa@fe.up.pt>
parents: 421
diff changeset
  1234
SYM_REF3(fb_invocation_c, fb_name, formal_param_list, nonformal_param_list, symbol_c *called_fb_declaration;)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1235
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1236
/* helper symbol for fb_invocation */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1237
/* param_assignment_list ',' param_assignment */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1238
SYM_LIST(param_assignment_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1239
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1240
/*  variable_name ASSIGN expression */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1241
SYM_REF2(input_variable_param_assignment_c, variable_name, expression)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1242
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1243
/* [NOT] variable_name '=>' variable */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
  1244
SYM_REF3(output_variable_param_assignment_c, not_param, variable_name, variable)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1245
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1246
/* helper CLASS for output_variable_param_assignment */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1247
SYM_REF0(not_paramassign_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1248
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1249
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1250
/********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1251
/* B 3.2.3 Selection Statements */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1252
/********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1253
/* IF expression THEN statement_list elseif_statement_list ELSE statement_list END_IF */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1254
SYM_REF4(if_statement_c, expression, statement_list, elseif_statement_list, else_statement_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1255
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1256
/* helper symbol for if_statement */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1257
SYM_LIST(elseif_statement_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1258
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1259
/* helper symbol for elseif_statement_list */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1260
/* ELSIF expression THEN statement_list    */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1261
SYM_REF2(elseif_statement_c, expression, statement_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1262
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1263
/* CASE expression OF case_element_list ELSE statement_list END_CASE */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
  1264
SYM_REF3(case_statement_c, expression, case_element_list, statement_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1265
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1266
/* helper symbol for case_statement */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1267
SYM_LIST(case_element_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1268
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1269
/*  case_list ':' statement_list */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1270
SYM_REF2(case_element_c, case_list, statement_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1271
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1272
SYM_LIST(case_list_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1273
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1274
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1275
/********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1276
/* B 3.2.4 Iteration Statements */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1277
/********************************/
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1278
/*  FOR control_variable ASSIGN expression TO expression [BY expression] DO statement_list END_FOR */
69
41cb5b80416e Adding basic error checking.
mario
parents: 32
diff changeset
  1279
SYM_REF5(for_statement_c, control_variable, beg_expression, end_expression, by_expression, statement_list)
0
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1280
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1281
/*  WHILE expression DO statement_list END_WHILE */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1282
SYM_REF2(while_statement_c, expression, statement_list)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1283
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1284
/*  REPEAT statement_list UNTIL expression END_REPEAT */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1285
SYM_REF2(repeat_statement_c, statement_list, expression)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1286
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1287
/*  EXIT */
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1288
SYM_REF0(exit_statement_c)
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1289
fb772792efd1 Initial commit. Last MatPLC CVS with some makefile inclusion removed in order to compile fine out of MatPLC.
etisserant
parents:
diff changeset
  1290