--- a/c2iec.y +++ b/c2iec.y @@ -68,6 +68,17 @@ // convert input string to upper case char *strUpper(char *szStr); + +// terminate string after identifier boundary +char *strIdentifier(char *szStr); + +// add symbol name to symbol table +#define SYM_SIZE 64 +#define SYM_COUNT 64 +int s_iSymTabCount = 0; +static char s_szSymTab[SYM_COUNT][SYM_SIZE]; +void addSym(char *szSym); +int isSym(char *szSym); // lex/yacc functions extern int yylex (void); @@ -252,6 +263,18 @@ declaration : declaration_specifiers ';' { sprintf($<str>$, "%s %s\n",$<str>1, $<str>2); } + | TYPEDEF declaration_specifiers init_declarator_list ';' + { + char *p; + while( (p=fifo_pop(decl_all)) != NULL) + /* noop */; + + printf("TYPE "); + printf($<str>3, $<str>2); + addSym(strIdentifier($<str>3)); + printf("END_TYPE\n\n"); + strcpy($<str>$, ""); + } | declaration_specifiers init_declarator_list ';' { char *p; @@ -371,6 +394,12 @@ | unnamed_struct_or_union_specifier ';' ; +// as a lexxer hack, I added a special case for typedefs +// to the declaration rule +specifier_qualifier_list + : TYPEDEF type_specifier specifier_qualifier_list + { sprintf($<str>$, "lexxer hack - typedef found\n"); } + specifier_qualifier_list : type_specifier specifier_qualifier_list { sprintf($<str>$, "%s %s",$<str>1, $<str>2); } @@ -811,3 +840,46 @@ } return szStr; } + +char *strIdentifier(char *szStr) +{ + char *p; + p = szStr; + while (*p != 0) + { + if ( (*p >= 'a' && *p <= 'z') + || (*p >= 'A' && *p <= 'Z') + || (*p >= '0' && *p <= '9') + || (*p == '_') ) + { + p++; + } + else + { + *p = '\0'; + return szStr; + } + } + return szStr; +} + +void addSym(char *szSym) +{ + int i; + i = s_iSymTabCount++; + strcpy(s_szSymTab[i], szSym); +} + +int isSym(char *szSym) +{ + int i; + for (i=0; i < s_iSymTabCount; i++) + { + if (!strcmp(s_szSymTab[i], szSym)) + { + return 1; + } + } + return 0; +} +