# HG changeset patch
# User mjsousa
# Date 1419588567 0
# Node ID bc90dd4bbf4feade05079d3983f527a8123dc5ae
# Parent  8aee27d46208d5f0ce30f75b3250e0bb3bb03de5
Change dsymbtable_c -> use design pattern used by C++ standard library (STL)

diff -r 8aee27d46208 -r bc90dd4bbf4f absyntax_utils/absyntax_utils.cc
--- a/absyntax_utils/absyntax_utils.cc	Fri Dec 26 09:57:02 2014 +0000
+++ b/absyntax_utils/absyntax_utils.cc	Fri Dec 26 10:09:27 2014 +0000
@@ -104,8 +104,7 @@
 
 
 /* A symbol table with all globally declared functions... */
-function_declaration_c null_symbol1(NULL,NULL,NULL,NULL);
-dsymtable_c<function_declaration_c *, &null_symbol1> function_symtable;
+dsymtable_c<function_declaration_c *> function_symtable;
 
 /* A symbol table with all globally declared functions block types... */
 symtable_c<function_block_declaration_c *> function_block_type_symtable;
diff -r 8aee27d46208 -r bc90dd4bbf4f absyntax_utils/absyntax_utils.hh
--- a/absyntax_utils/absyntax_utils.hh	Fri Dec 26 09:57:02 2014 +0000
+++ b/absyntax_utils/absyntax_utils.hh	Fri Dec 26 10:09:27 2014 +0000
@@ -56,8 +56,7 @@
 int compare_identifiers(symbol_c *ident1, symbol_c *ident2);
 
 /* A symbol table with all globally declared functions... */
-extern function_declaration_c null_symbol1;
-typedef dsymtable_c<function_declaration_c *, &null_symbol1> function_symtable_t;
+typedef dsymtable_c<function_declaration_c *> function_symtable_t;
 extern function_symtable_t function_symtable;
 
 /* A symbol table with all globally declared functions block types... */
diff -r 8aee27d46208 -r bc90dd4bbf4f stage3/fill_candidate_datatypes.cc
--- a/stage3/fill_candidate_datatypes.cc	Fri Dec 26 09:57:02 2014 +0000
+++ b/stage3/fill_candidate_datatypes.cc	Fri Dec 26 10:09:27 2014 +0000
@@ -90,8 +90,7 @@
  */
 /* NOTE: we do not store any NULL values in this symbol table, so we can safely use NULL and the null value. */
 
-symbol_c null_enumvalue_symbol; /* cannot be static, so it may be used in the template!! */
-typedef dsymtable_c<symbol_c *, &null_enumvalue_symbol> enumerated_value_symtable_t;
+typedef dsymtable_c<symbol_c *> enumerated_value_symtable_t;
 static enumerated_value_symtable_t global_enumerated_value_symtable;
  
  
@@ -1052,8 +1051,8 @@
 				enumerated_type = symbol->type; 
 	}
 	else {
-		symbol_c *global_enumerated_type = global_enumerated_value_symtable.find_value  (symbol->value);
-		symbol_c * local_enumerated_type =  local_enumerated_value_symtable.find_value  (symbol->value);
+		symbol_c *global_enumerated_type = global_enumerated_value_symtable.find (symbol->value)->second;
+		symbol_c * local_enumerated_type =  local_enumerated_value_symtable.find (symbol->value)->second;
 		int       global_multiplicity    = global_enumerated_value_symtable.count(symbol->value);
 		int        local_multiplicity    =  local_enumerated_value_symtable.count(symbol->value);
 
diff -r 8aee27d46208 -r bc90dd4bbf4f util/dsymtable.cc
--- a/util/dsymtable.cc	Fri Dec 26 09:57:02 2014 +0000
+++ b/util/dsymtable.cc	Fri Dec 26 10:09:27 2014 +0000
@@ -38,22 +38,22 @@
 
 
  /* clear all entries... */
-template<typename value_type, value_type null_value>
-void dsymtable_c<value_type, null_value>::reset(void) {
+template<typename value_type>
+void dsymtable_c<value_type>::reset(void) {
   _base.clear();
 }
 
 
-template<typename value_type, value_type null_value>
-void dsymtable_c<value_type, null_value>::insert(const char *identifier_str, value_t new_value) {
+template<typename value_type>
+void dsymtable_c<value_type>::insert(const char *identifier_str, value_t new_value) {
   // std::cout << "store_identifier(" << identifier_str << "): \n";
   std::pair<const char *, value_t> new_element(identifier_str, new_value);
   /* iterator res = */ _base.insert(new_element);
 }
 
 
-template<typename value_type, value_type null_value>
-void dsymtable_c<value_type, null_value>::insert(const symbol_c *symbol, value_t new_value) {
+template<typename value_type>
+void dsymtable_c<value_type>::insert(const symbol_c *symbol, value_t new_value) {
   const token_c *name = dynamic_cast<const token_c *>(symbol);
   if (name == NULL)
     ERROR;
@@ -62,8 +62,8 @@
 
 
 #if 0
-template<typename value_type, value_type null_value>
-void dsymtable_c<value_type, null_value>::insert_noduplicate(const char *identifier_str, value_t new_value) {
+template<typename value_type>
+void dsymtable_c<value_type>::insert_noduplicate(const char *identifier_str, value_t new_value) {
   if (find_value(identifier_str) != null_value)
     /* already present in the set! */
     ERROR;
@@ -74,8 +74,8 @@
 }
 
 
-template<typename value_type, value_type null_value>
-void dsymtable_c<value_type, null_value>::insert_noduplicate(const symbol_c *symbol, value_t new_value) {
+template<typename value_type>
+void dsymtable_c<value_type>::insert_noduplicate(const symbol_c *symbol, value_t new_value) {
   const token_c *name = dynamic_cast<const token_c *>(symbol);
   if (name == NULL)
     ERROR;
@@ -86,20 +86,8 @@
 
 
 
-/* returns null_value if not found! */
-template<typename value_type, value_type null_value>
-value_type dsymtable_c<value_type, null_value>::find_value(const char *identifier_str) {
-  iterator i = _base.find(identifier_str);
-
-  if (i == _base.end())
-    return null_value;
-  else
-    return i->second;
-}
-
-
-template<typename value_type, value_type null_value>
-const char * dsymtable_c<value_type, null_value>::symbol_to_string(const symbol_c *symbol) {
+template<typename value_type>
+const char * dsymtable_c<value_type>::symbol_to_string(const symbol_c *symbol) {
   const token_c *name = dynamic_cast<const token_c *>(symbol);
   if (name == NULL)
     ERROR;
@@ -108,8 +96,8 @@
 
 
 /* debuging function... */
-template<typename value_type, value_type null_value>
-void dsymtable_c<value_type, null_value>::print(void) {
+template<typename value_type>
+void dsymtable_c<value_type>::print(void) {
   for(iterator i = _base.begin();
       i != _base.end();
       i++)
diff -r 8aee27d46208 -r bc90dd4bbf4f util/dsymtable.hh
--- a/util/dsymtable.hh	Fri Dec 26 09:57:02 2014 +0000
+++ b/util/dsymtable.hh	Fri Dec 26 10:09:27 2014 +0000
@@ -44,7 +44,7 @@
 
 
 
-template<typename value_type, value_type null_value> class dsymtable_c {
+template<typename value_type> class dsymtable_c {
   /* Case insensitive string compare copied from
    * "The C++ Programming Language" - 3rd Edition
    * by Bjarne Stroustrup, ISBN 0201889544.
@@ -92,11 +92,6 @@
     int count(const char *identifier_str)    {return _base.count(identifier_str);}
     int count(const symbol_c *symbol)        {return count(symbol_to_string(symbol));}
     
-    /* Search for an entry. Will return end_value() if not found */
-    value_t end_value(void)                          {return null_value;}
-    value_t find_value(const char *identifier_str);
-    value_t find_value(const symbol_c *symbol)       {return find_value(symbol_to_string(symbol));}
-
     /* Search for an entry associated with identifier_str. Will return end() if not found */
     iterator find(const char *identifier_str)        {return _base.find(identifier_str);}
     iterator find(const symbol_c *symbol)            {return find(symbol_to_string(symbol));}