Sun, 28 Dec 2014 12:04:07 +0000 mjsousa Add is_undefined() method to const_value_c
Sun, 28 Dec 2014 07:34:18 +0000 mjsousa Make error message more informative.
Sat, 27 Dec 2014 09:41:01 +0000 mjsousa Add comments.
Fri, 26 Dec 2014 17:06:02 +0000 mjsousa Add checks for use of non constant value in subranges, and lower_limit > upper_limit.
Fri, 26 Dec 2014 16:36:06 +0000 mjsousa Fix previous commit (symtable operator[] must return a reference to the stored value!)
Fri, 26 Dec 2014 12:43:13 +0000 mjsousa Do constant propagation of configuration/resource variables, taking into account scope of variables.
Fri, 26 Dec 2014 10:09:27 +0000 mjsousa Change dsymbtable_c -> use design pattern used by C++ standard library (STL)
Fri, 26 Dec 2014 09:57:02 +0000 mjsousa Change symbtable_c -> use design pattern used by C++ standard library (STL)
Fri, 26 Dec 2014 09:39:18 +0000 mjsousa Remove debugging code left in by mistake.
Fri, 26 Dec 2014 08:09:34 +0000 mjsousa Do constant propagation inside Configurations and Resources (required for support of extension: array [1..max] OF int); (Resources is still buggy)
Thu, 25 Dec 2014 08:40:15 +0000 mjsousa Do constant folding of default initial values of datatypes.
Wed, 24 Dec 2014 13:19:53 +0000 mjsousa Do constant propagation to symbolic_variables, and correctly handle constant folding and propagation of variable declarations.
Wed, 17 Dec 2014 13:47:37 +0000 mjsousa When generating C code, use the const_value of a symbolic_variable when it is used in a subrange.
Wed, 17 Dec 2014 13:46:36 +0000 mjsousa Small code re-organization of how const values are stored in symbol_c (can now be accessed through member functions, instead of macros)
Sun, 14 Dec 2014 19:15:29 +0000 mjsousa Fix bugs introduced in previous commit (once again do constant folding of all literals in type declarations)
Sun, 14 Dec 2014 18:40:20 +0000 mjsousa 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).
Wed, 10 Dec 2014 12:06:45 +0000 mjsousa Delete un-used declaration.
Wed, 10 Dec 2014 11:57:43 +0000 mjsousa merge
Sat, 22 Nov 2014 19:30:47 +0000 mjsousa Allow variables to be used when declaring the dimension of an array.
Sat, 06 Dec 2014 19:14:23 +0000 mjsousa Fix C code generation when forward references (-p command line option) is on.
Sat, 06 Dec 2014 19:11:32 +0000 mjsousa Add a new pou_typename_c object to the AST to store references to previously declared Functions, FB, and Programs.
Sun, 30 Nov 2014 12:49:42 +0000 mjsousa Delete unused file.
Sun, 30 Nov 2014 10:27:28 +0000 mjsousa Make use of pre-parser a command line option.
Sun, 30 Nov 2014 10:26:31 +0000 mjsousa Fix AST generated by parsing with preparsing switched OFF (typo in array datatypes, and fix parsing of POUs).
Sat, 29 Nov 2014 21:33:30 +0000 mjsousa Fix AST generated by parsing with preparsing switched on, and allow parsing to work with preparsing off.
Sat, 29 Nov 2014 20:32:11 +0000 mjsousa Fix bug introduced when adding support for relaxed datatype model: change derived_datatype_identifier_c to identifier_c when used as an identifier
Sat, 29 Nov 2014 13:43:20 +0000 mjsousa Add a pre-parsing phase to stage1_2 (allows source code that references POUs and datatypes before they are declared)
Sat, 29 Nov 2014 12:10:34 +0000 mjsousa Comment out unused and buggy code.
Thu, 27 Nov 2014 13:26:58 +0000 mjsousa Update the comments in source code.
Wed, 26 Nov 2014 19:47:54 +0000 mjsousa Fix bug introduced when adding support for relaxed datatype model. Code cleanup.
Sun, 23 Nov 2014 09:41:16 +0000 mjsousa Fix main state machine in flex (states were being pushed without being poped from the stack)
Sun, 16 Nov 2014 15:37:12 +0000 mjsousa merge
Sun, 16 Nov 2014 14:46:52 +0000 mjsousa Make the relaxed datatype model a runtime option (off by default)
Sun, 16 Nov 2014 12:54:10 +0000 mjsousa Add support for relaxed datatype model for array datatypes.
Sun, 09 Nov 2014 22:02:34 +0000 mjsousa fix bug introduced a few commits ago: do not print the first char ('%') of a direct_variable_c (e.g. skip % in %IW4.2)
Sat, 25 Oct 2014 13:20:10 +0100 mjsousa fix code generation when dereferencing pointers (ref_to) to arrays (ref_to_array^[5])
Sat, 25 Oct 2014 13:17:12 +0100 mjsousa Fix bug: set the scope annotation in deref_operators used inside structs
Sat, 25 Oct 2014 11:28:48 +0100 mjsousa Editing of error message to make it more clear.
Sat, 25 Oct 2014 11:21:40 +0100 mjsousa Filling of symbol->scope annotation moved from narrow to fill_candidate_datatypes_c (became possible because narrowing of struct, array and symbolic variables is now done directly in fill_candidate_datatypes_c)
Sat, 25 Oct 2014 11:15:55 +0100 mjsousa fill_candidate_datatypes_c now uses search_varinstance_decl_c instead of search_varfb_instance_type_c (moving towards deprecation of search_varfb_instance_type_c)
Sun, 19 Oct 2014 21:30:58 +0100 mjsousa Do the full fill_candidate/narrow_datatype algorithm for all fields of a structured variable in the fill_candidate_datatypes_c
Sun, 19 Oct 2014 11:53:36 +0100 mjsousa Fix bug with multple dereferencing (bool_var := bool_ptr_ptr^^;)
Sun, 19 Oct 2014 08:36:49 +0100 mjsousa Fix bug: Add support for de-referencing pointers to struct (struct_ptr^.elem1) when used inside FB.
Sun, 28 Sep 2014 17:48:42 +0100 mjsousa Fix bug: add support for dereferencing of REF_TO to REF_TO xxx (e.g.: bool_var := ref_to_ref_to_bool^^;)
Sun, 28 Sep 2014 17:39:28 +0100 mjsousa Turn support of derefencing operator '^' an option (default is not supported).
Sun, 28 Sep 2014 16:35:44 +0100 mjsousa Add support for de-referencing of REF_TO datatypes (Note: dereferencing of arrays and structs not yet supported!)
Sat, 27 Sep 2014 20:09:19 +0100 mjsousa Add support for REF_TO inside arrays and structs (a non-standard feature!)
Mon, 11 Aug 2014 08:07:12 +0100 mjsousa Code cleanup: with the introduction of anotation_map[], generate_c_vardecl_c can now derive directly from generate_c_base_c
Mon, 11 Aug 2014 07:56:00 +0100 mjsousa Fix typos in comments
Mon, 11 Aug 2014 07:55:11 +0100 mjsousa Add comments, and make get_datatype_id_str_c equivalent to get_datatype_id_c
Mon, 11 Aug 2014 07:22:37 +0100 mjsousa Fix calling of functions whose parameters are of an implicitly declared datatype (currently only makes sense for REF_TO datatypes, but may make sense to other datatypes too if the datatype model is changed in the future).
Sun, 10 Aug 2014 08:51:33 +0100 mjsousa fix indentations.
Sun, 10 Aug 2014 08:27:28 +0100 mjsousa in lvalue, add check for REF() fucntion invocation, and the NULL literal
Sat, 09 Aug 2014 11:22:57 +0100 mjsousa Initialise REF_TO variables to NULL.
Sat, 09 Aug 2014 10:12:38 +0100 mjsousa Make support for REF_TO ANY a command line option.
Sat, 09 Aug 2014 09:20:03 +0100 mjsousa Add support for non standard REF_TO ANY (equivalent to void *)
Fri, 08 Aug 2014 10:45:54 +0100 mjsousa Update some comments. (No changes to code)
Fri, 08 Aug 2014 10:26:52 +0100 mjsousa Introduce absyntax class for keyword ANY, and use REF_TO(ANY) as datatype of NULL literal.
Wed, 06 Aug 2014 10:43:15 +0100 mjsousa Fix bug (introduced a few commits ago) when generating SFC actions that are mapped onto variables --> Make generate_sfcdecl_c stateless (i.e. does not depend on order by which it is called).
Thu, 31 Jul 2014 17:49:44 +0100 mjsousa Add support for the 'NULL' keyword, defined in version 3 of IEC 61131-3.
Tue, 29 Jul 2014 13:39:40 +0100 mjsousa for option '-Op' (generate <pouname>.h/c): add '#include <pouname>.h' to the .c file, and '#ifdef <pouname>_H' to the .h file
Fri, 25 Jul 2014 14:58:33 +0100 mjsousa Ass include of iec_std_lib.h in POUS.h file.
Mon, 21 Jul 2014 10:39:46 +0100 mjsousa Add support for implicitly declared REF_TO datatypes.
Sun, 20 Jul 2014 21:57:10 +0100 mjsousa With -Op option --> Place implicitly defined datatypes in the .h file corresponding to the POU where they are used.
Sun, 20 Jul 2014 21:48:58 +0100 mjsousa Add name of POU as prefix to names of implicitly defined datatypes
Sun, 20 Jul 2014 16:45:45 +0100 mjsousa Implicitly defined array datatypes use new naming method (greatly simplifies stage 4 code).
Sun, 20 Jul 2014 03:14:57 +0100 mjsousa array_specification_c may be used as a datatype! Add it to spec_init_separator_c
Sun, 13 Jul 2014 17:25:20 +0100 mjsousa Change REF() operator to return the correct REF_TO datatype datatype.
Sun, 13 Jul 2014 13:47:16 +0100 mjsousa Narrow array subscripts correctly, even in the presence of other datatype errors (so we do not generate error messages for array subscripts that do not contain errors).
Sun, 13 Jul 2014 12:26:58 +0100 mjsousa Add support for REF_TO derived datatypes (along with datatype verification)
Sun, 06 Jul 2014 23:31:08 +0100 mjsousa Add option to place each POU in a distinct .c and .h file pair.
Sun, 06 Jul 2014 16:54:53 +0100 mjsousa code re-organisation. Preparing for the changes to come in the next commit (one C file for each POU)
Sun, 06 Jul 2014 13:40:54 +0100 mjsousa Remove un-used parameter from class constructor.
Sun, 06 Jul 2014 11:39:20 +0100 mjsousa Move standard FBs to a pre-converted C file, insted of converting them every time along with the IEC source.
Sun, 06 Jul 2014 11:07:38 +0100 mjsousa Move library files compiled to C to their own subdiectory.
Sun, 06 Jul 2014 10:16:48 +0100 mjsousa Fix stupid mistake in previous commit (use 'long double' instead of 'ld' in istandard library macro)
Sat, 05 Jul 2014 14:10:28 +0100 mjsousa merge
Sat, 05 Jul 2014 13:57:39 +0100 mjsousa Update build/compile instructions to reflect the fact that autoconf needs to be executed.
Sat, 05 Jul 2014 13:39:30 +0100 mjsousa Fix time conversion function in std library, and change into macro (so it may be used in variable initialisations)
Sun, 01 Jun 2014 08:59:57 +0100 mjsousa Add support for the stepname.T syntax.
Sun, 01 Jun 2014 08:59:02 +0100 mjsousa Change the name of the variable with the step state to stepname.X (in the generated VARIABLES.csv file)
Sat, 31 May 2014 16:22:57 +0100 mjsousa Add support for Stepname.X syntax.
Sat, 31 May 2014 12:49:43 +0100 mjsousa Remove dead code previously left in by mistake.
Thu, 29 May 2014 12:06:22 +0100 mjsousa Add error message for invalid datatype of transition condition. Generalize datatype narrowing algorithm for transition conditions.
Wed, 28 May 2014 11:32:09 +0200 Edouard Tisserant merge
Wed, 28 May 2014 10:39:31 +0200 Edouard Tisserant closed temporary fix branch
Tue, 20 May 2014 08:25:59 +0100 mjsousa Check VAR_EXTERN variables declared in FBs instantiated in a Program (and recursively too - FBs in FBs).
Tue, 20 May 2014 08:24:25 +0100 mjsousa Fix typo in as yet dormant code (related to REF_TO keyword, that is not yet active)
Thu, 08 May 2014 12:21:48 +0100 mjsousa Fix compilation error on platforms where real64_t is mapped onto 'long double'
Tue, 08 Apr 2014 14:35:31 +0100 mjsousa Correctly handle structured variables that include FB and external FBs (example: FB1.FB2.extFB3.FB4.extFB5.extFB6.structvar.field1 := 42;) (this commit fixes only ST code. TODO: IL and SFC)
Fri, 04 Apr 2014 16:21:55 +0100 mjsousa Remove call to type_is_complex() in ST code generation.
Mon, 31 Mar 2014 20:05:49 +0100 mjsousa A little code cleanup (reduce number of possible variable generation states)
Sun, 30 Mar 2014 09:41:06 +0100 mjsousa Finish: Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
Sat, 29 Mar 2014 22:46:09 +0000 mjsousa Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
Thu, 27 Mar 2014 09:52:13 +0100 Edouard Tisserant More static declarations in POUS.c in order to avoid conflicting symbol definitions with new POUS.c inclusion scheme
Wed, 26 Mar 2014 13:20:45 +0100 Edouard Tisserant Fix multiple resources support, POUS.c now only contain static definitions. POUS.c is included in configuration C code as well as in resources to allow GLOBAL FBs to be declared in configurations
Thu, 20 Mar 2014 17:27:29 +0100 Edouard Tisserant Disable stage4 options with on windows since getsuboptr isn't supported in mingw
Thu, 20 Mar 2014 10:29:39 +0100 Edouard Tisserant merge
Wed, 19 Mar 2014 12:13:43 +0000 mjsousa Track of line number correctly when input file has code with very long lines.
Wed, 19 Mar 2014 12:05:18 +0000 mjsousa Fix memory leak in lexical parser.
Sun, 16 Mar 2014 13:02:28 +0000 mjsousa Make generation of #line directives optional.
Sun, 16 Mar 2014 10:16:25 +0000 mjsousa Insert #line directives in generated C code.
Sat, 15 Mar 2014 20:10:20 +0000 mjsousa 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.
Sat, 15 Mar 2014 08:31:35 +0000 mjsousa Update files to be ignored by mercurial: ignore files generated by autoconf, directory test/, and *.orig
Sun, 02 Mar 2014 17:04:17 +0000 mjsousa Fix bug: do not print IL 'label' when generating inline functions (JMPxx label was generating erroneous C code)
Sun, 02 Mar 2014 16:42:56 +0000 mjsousa Add limited support for the REF() operator (defined in v3 of IEC 61131-3)
Mon, 24 Feb 2014 22:00:55 +0000 mjsousa Remove assertion being failed by IL labels (IL labels do not yet have specific datatypes).
Fri, 28 Feb 2014 11:27:53 +0100 Edouard Tisserant Added stage1_2/Makefile.am weird rule to keep compatible with previous version of automake
Wed, 19 Feb 2014 22:27:11 +0100 Edouard Tisserant Merge
Sun, 16 Feb 2014 14:29:31 +0000 mjsousa fix definition of pragma.
Sun, 16 Feb 2014 14:27:06 +0000 mjsousa Fix the state machine that became broken 2 commits ago (when adding support for nested comments)
Sun, 16 Feb 2014 00:37:40 +0000 mjsousa Add option to control support for nested comments (default is off, as defined in IEC 61131-3 v2)
Sat, 15 Feb 2014 23:58:16 +0000 mjsousa Add support for nested comments
Wed, 12 Feb 2014 17:02:08 +0000 mjsousa Fix bug: when checking compatibility between GLOBAL and EXTERNAL variables, must only enforce GLOBAL CONSTANT => EXTERNAL CONSTANT.
Tue, 11 Feb 2014 10:55:27 +0000 mjsousa merge
Mon, 06 Jan 2014 12:25:21 +0000 Mario de Sousa Fix bug: correctly generate code when accessing external variables declared inside FBs as a structured variable (realvar := fb1.fb2.extvar1.realvar)
Sun, 09 Feb 2014 08:05:44 +0000 mjsousa 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.
Sun, 09 Feb 2014 07:23:30 +0000 mjsousa Code cleanup (part 3): generate_c_typedecl_c is no longer needed for code generation in POUS.c It is now only needed for datatype declaration in POUS.h
Sat, 08 Feb 2014 23:10:12 +0000 mjsousa Code cleanup (part 2): generate_typedecl_c now only prints to POUS.h !
Sat, 08 Feb 2014 20:38:19 +0000 mjsousa Code cleanup (part 1): subrange check functions are now declared in POUS.h (as static inline functions or #define)