# HG changeset patch # User Mario de Sousa # Date 1353610417 0 # Node ID e47cc8c954dbab4361923efddddf3a61cedc7571 # Parent f6bc5230aadd0e0ccb9e507fa3c2ab64e870731f Start to move enumeration declaration checking to its own class. diff -r f6bc5230aadd -r e47cc8c954db absyntax/absyntax.def --- a/absyntax/absyntax.def Thu Nov 22 18:51:42 2012 +0000 +++ b/absyntax/absyntax.def Thu Nov 22 18:53:37 2012 +0000 @@ -114,7 +114,8 @@ /***************************/ /* B 0 - Programming Model */ /***************************/ -SYM_LIST(library_c) +/* 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 */ +SYM_LIST(library_c, enumvalue_symtable_t enumvalue_symtable;) /*************************/ @@ -701,7 +702,8 @@ /***********************/ /* B 1.5.1 - Functions */ /***********************/ -SYM_REF4(function_declaration_c, derived_function_name, type_name, var_declarations_list, function_body) +/* 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 */ +SYM_REF4(function_declaration_c, derived_function_name, type_name, var_declarations_list, function_body, enumvalue_symtable_t enumvalue_symtable;) /* intermediate helper symbol for * - function_declaration @@ -721,7 +723,8 @@ /* B 1.5.2 - Function Blocks */ /*****************************/ /* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */ -SYM_REF3(function_block_declaration_c, fblock_name, var_declarations, fblock_body) +/* 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 */ +SYM_REF3(function_block_declaration_c, fblock_name, var_declarations, fblock_body, enumvalue_symtable_t enumvalue_symtable;) /* intermediate helper symbol for function_declaration */ /* { io_var_declarations | other_var_declarations } */ @@ -743,7 +746,8 @@ /* B 1.5.3 - Programs */ /**********************/ /* PROGRAM program_type_name program_var_declarations_list function_block_body END_PROGRAM */ -SYM_REF3(program_declaration_c, program_type_name, var_declarations, function_block_body) +/* 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 */ +SYM_REF3(program_declaration_c, program_type_name, var_declarations, function_block_body, enumvalue_symtable_t enumvalue_symtable;) /* intermediate helper symbol for program_declaration_c */ /* { io_var_declarations | other_var_declarations } */ @@ -826,7 +830,8 @@ optional_instance_specific_initializations END_CONFIGURATION */ -SYM_REF5(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations) +/* 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 */ +SYM_REF5(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations, enumvalue_symtable_t enumvalue_symtable;) /* helper symbol for configuration_declaration */ SYM_LIST(resource_declaration_list_c) @@ -837,7 +842,8 @@ single_resource_declaration END_RESOURCE */ -SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration) +/* 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 */ +SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration, enumvalue_symtable_t enumvalue_symtable;) /* task_configuration_list program_configuration_list */ SYM_REF2(single_resource_declaration_c, task_configuration_list, program_configuration_list) diff -r f6bc5230aadd -r e47cc8c954db absyntax/absyntax.hh --- a/absyntax/absyntax.hh Thu Nov 22 18:51:42 2012 +0000 +++ b/absyntax/absyntax.hh Thu Nov 22 18:53:37 2012 +0000 @@ -48,6 +48,7 @@ #include // required for NULL #include +#include #include #include // required for uint64_t, etc... #include "../main.hh" // required for uint8_t, real_64_t, ..., and the macros INT8_MAX, REAL32_MAX, ... */ @@ -72,6 +73,28 @@ +/* Case insensitive string compare */ + /* Case insensitive string compare copied from + * "The C++ Programming Language" - 3rd Edition + * by Bjarne Stroustrup, ISBN 0201889544. + */ +class nocasecmp_c { + public: + bool operator() (const std::string& x, const std::string& y) const { + std::string::const_iterator ix = x.begin(); + std::string::const_iterator iy = y.begin(); + + for(; (ix != x.end()) && (iy != y.end()) && (toupper(*ix) == toupper(*iy)); ++ix, ++iy); + if (ix == x.end()) return (iy != y.end()); + if (iy == y.end()) return false; + return (toupper(*ix) < toupper(*iy)); + }; + }; + + + + + @@ -99,7 +122,7 @@ /* * Annotations produced during stage 3 - */ + */ /*** Data type analysis ***/ std::vector candidate_datatypes; /* All possible data types the expression/literal/etc. may take. Filled in stage3 by fill_candidate_datatypes_c class */ /* Data type of the expression/literal/etc. Filled in stage3 by narrow_candidate_datatypes_c @@ -138,6 +161,12 @@ } const_value_t; const_value_t const_value; + /*** Enumeration datatype checking ***/ + /* Not all symbols will contain the following anotations, which is why they are not declared here in symbol_c + * They will be declared only inside the symbols that require them (have a look at absyntax.def) + */ + typedef std::multimap enumvalue_symtable_t; + public: /* default constructor */ @@ -153,6 +182,8 @@ }; + + class token_c: public symbol_c { public: /* WARNING: only use this method for debugging purposes!! */ @@ -169,6 +200,8 @@ }; + + /* a list of symbols... */ class list_c: public symbol_c { public: @@ -200,6 +233,11 @@ + + + + + #define SYM_LIST(class_name_c, ...) \ class class_name_c: public list_c { \ public: \ diff -r f6bc5230aadd -r e47cc8c954db absyntax/visitor.cc --- a/absyntax/visitor.cc Thu Nov 22 18:51:42 2012 +0000 +++ b/absyntax/visitor.cc Thu Nov 22 18:53:37 2012 +0000 @@ -70,7 +70,7 @@ null_visitor_c::~null_visitor_c(void) {return;} -#define SYM_LIST(class_name_c) \ +#define SYM_LIST(class_name_c, ...) \ void *null_visitor_c::visit(class_name_c *symbol) {return NULL;} #define SYM_TOKEN(class_name_c, ...) \ @@ -174,7 +174,7 @@ } -#define SYM_LIST(class_name_c) \ +#define SYM_LIST(class_name_c, ...) \ void *iterator_visitor_c::visit(class_name_c *symbol) {return visit_list(symbol);} #define SYM_TOKEN(class_name_c, ...) \ @@ -318,7 +318,7 @@ } -#define SYM_LIST(class_name_c) \ +#define SYM_LIST(class_name_c, ...) \ void *search_visitor_c::visit(class_name_c *symbol) {return visit_list(symbol);} #define SYM_TOKEN(class_name_c, ...) \ diff -r f6bc5230aadd -r e47cc8c954db stage3/Makefile.am --- a/stage3/Makefile.am Thu Nov 22 18:51:42 2012 +0000 +++ b/stage3/Makefile.am Thu Nov 22 18:53:37 2012 +0000 @@ -13,5 +13,6 @@ lvalue_check.cc \ array_range_check.cc \ constant_folding.cc \ - declaration_check.cc + declaration_check.cc \ + enum_declaration_check.cc diff -r f6bc5230aadd -r e47cc8c954db stage3/Makefile.in --- a/stage3/Makefile.in Thu Nov 22 18:51:42 2012 +0000 +++ b/stage3/Makefile.in Thu Nov 22 18:53:37 2012 +0000 @@ -83,7 +83,8 @@ forced_narrow_candidate_datatypes.$(OBJEXT) \ print_datatypes_error.$(OBJEXT) datatype_functions.$(OBJEXT) \ lvalue_check.$(OBJEXT) array_range_check.$(OBJEXT) \ - constant_folding.$(OBJEXT) declaration_check.$(OBJEXT) + constant_folding.$(OBJEXT) declaration_check.$(OBJEXT) \ + enum_declaration_check.$(OBJEXT) libstage3_a_OBJECTS = $(am_libstage3_a_OBJECTS) DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/config depcomp = $(SHELL) $(top_srcdir)/config/depcomp @@ -209,7 +210,8 @@ lvalue_check.cc \ array_range_check.cc \ constant_folding.cc \ - declaration_check.cc + declaration_check.cc \ + enum_declaration_check.cc all: all-am @@ -291,6 +293,7 @@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/constant_folding.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/datatype_functions.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/declaration_check.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/enum_declaration_check.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fill_candidate_datatypes.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/flow_control_analysis.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/forced_narrow_candidate_datatypes.Po@am__quote@ diff -r f6bc5230aadd -r e47cc8c954db stage3/fill_candidate_datatypes.cc --- a/stage3/fill_candidate_datatypes.cc Thu Nov 22 18:51:42 2012 +0000 +++ b/stage3/fill_candidate_datatypes.cc Thu Nov 22 18:53:37 2012 +0000 @@ -75,29 +75,6 @@ -#define FIRST_(symbol1, symbol2) (((symbol1)->first_order < (symbol2)->first_order) ? (symbol1) : (symbol2)) -#define LAST_(symbol1, symbol2) (((symbol1)->last_order > (symbol2)->last_order) ? (symbol1) : (symbol2)) - - -#define STAGE3_ERROR(error_level, symbol1, symbol2, ...) { \ - fprintf(stderr, "%s:%d-%d..%d-%d: error: ", \ - FIRST_(symbol1,symbol2)->first_file, FIRST_(symbol1,symbol2)->first_line, FIRST_(symbol1,symbol2)->first_column,\ - LAST_(symbol1,symbol2) ->last_line, LAST_(symbol1,symbol2) ->last_column);\ - fprintf(stderr, __VA_ARGS__); \ - fprintf(stderr, "\n"); \ -} - - -#define STAGE3_WARNING(symbol1, symbol2, ...) { \ - fprintf(stderr, "%s:%d-%d..%d-%d: warning: ", \ - FIRST_(symbol1,symbol2)->first_file, FIRST_(symbol1,symbol2)->first_line, FIRST_(symbol1,symbol2)->first_column,\ - LAST_(symbol1,symbol2) ->last_line, LAST_(symbol1,symbol2) ->last_column);\ - fprintf(stderr, __VA_ARGS__); \ - fprintf(stderr, "\n"); \ -} - - - /* set to 1 to see debug info during execution */ static int debug = 0; @@ -161,7 +138,6 @@ for (; lower != upper; lower++) if (lower->second == current_enumerated_type) { /* The same identifier is used more than once as an enumerated value/constant inside the same enumerated datat type! */ - STAGE3_ERROR(0, symbol, symbol, "Duplicate identifier in enumerated data type."); return NULL; /* No need to insert it! It is already in the table! */ } @@ -229,13 +205,13 @@ static enumerated_value_symtable_t local_enumerated_value_symtable; -class populate_enumvalue_symtable_c: public iterator_visitor_c { +class populate_localenumvalue_symtable_c: public iterator_visitor_c { private: symbol_c *current_enumerated_type; public: - populate_enumvalue_symtable_c(void) {current_enumerated_type = NULL;}; - ~populate_enumvalue_symtable_c(void) {} + populate_localenumvalue_symtable_c(void) {current_enumerated_type = NULL;}; + ~populate_localenumvalue_symtable_c(void) {} public: /*************************/ @@ -271,7 +247,6 @@ for (; lower != upper; lower++) if (lower->second == current_enumerated_type) { /* The same identifier is used more than once as an enumerated value/constant inside the same enumerated datat type! */ - STAGE3_ERROR(0, symbol, symbol, "Duplicate identifier in enumerated data type."); return NULL; /* No need to insert it! It is already in the table! */ } @@ -281,7 +256,7 @@ } }; // class populate_enumvalue_symtable_c -static populate_enumvalue_symtable_c populate_enumvalue_symtable; +static populate_localenumvalue_symtable_c populate_enumvalue_symtable; diff -r f6bc5230aadd -r e47cc8c954db stage3/stage3.cc --- a/stage3/stage3.cc Thu Nov 22 18:51:42 2012 +0000 +++ b/stage3/stage3.cc Thu Nov 22 18:53:37 2012 +0000 @@ -43,6 +43,15 @@ #include "array_range_check.hh" #include "constant_folding.hh" #include "declaration_check.hh" +#include "enum_declaration_check.hh" + + +static int enum_declaration_check(symbol_c *tree_root){ + enum_declaration_check_c enum_declaration_check(NULL); + tree_root->accept(enum_declaration_check); + return enum_declaration_check.get_error_count(); +} + static int declaration_safety(symbol_c *tree_root){ declaration_check_c declaration_check(tree_root); @@ -107,6 +116,7 @@ int stage3(symbol_c *tree_root){ int error_count = 0; + error_count += enum_declaration_check(tree_root); error_count += declaration_safety(tree_root); error_count += flow_control_analysis(tree_root); error_count += constant_folding(tree_root);