X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=token.c;h=1fbaafd0410933055172733dd48c3096de58d2ab;hb=2beaa4f65961fe297663e1cec9e5632b7f3e1cba;hp=52ff730d7c9928c0955daf6714866a8961081c9a;hpb=1c622ff40fc61cbef1202888d3184215d88de680;p=cparser diff --git a/token.c b/token.c index 52ff730..1fbaafd 100644 --- a/token.c +++ b/token.c @@ -1,6 +1,6 @@ /* * This file is part of cparser. - * Copyright (C) 2007-2008 Matthias Braun + * Copyright (C) 2007-2009 Matthias Braun * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -32,7 +32,7 @@ static symbol_t *token_symbols[T_LAST_TOKEN]; static symbol_t *pp_token_symbols[TP_LAST_TOKEN]; -source_position_t builtin_source_position = { "", 0 }; +const source_position_t builtin_source_position = { "", 0 }; void init_tokens(void) { @@ -51,13 +51,15 @@ void init_tokens(void) assert(T_##x >= 0 && T_##x < T_LAST_TOKEN); \ symbol = symbol_table_insert(str); \ symbol->ID = T_##x; \ - token_symbols[T_##x] = symbol; \ + if (token_symbols[T_##x] == NULL) \ + token_symbols[T_##x] = symbol; \ } #define TS(x,str,val) \ assert(T_##x >= 0 && T_##x < T_LAST_TOKEN); \ symbol = symbol_table_insert(str); \ - token_symbols[T_##x] = symbol; + if (token_symbols[T_##x] == NULL) \ + token_symbols[T_##x] = symbol; \ #include "tokens.inc" @@ -65,15 +67,19 @@ void init_tokens(void) #undef T #define T(mode,x,str,val) \ - assert(TP_##x >= 0 && TP_##x < TP_LAST_TOKEN); \ - symbol = symbol_table_insert(str); \ - symbol->pp_ID = TP_##x; \ - pp_token_symbols[TP_##x] = symbol; + if (c_mode & (mode)) { \ + assert(TP_##x >= 0 && TP_##x < TP_LAST_TOKEN); \ + symbol = symbol_table_insert(str); \ + symbol->pp_ID = TP_##x; \ + if (pp_token_symbols[TP_##x] == NULL) \ + pp_token_symbols[TP_##x] = symbol; \ + } #define TS(x,str,val) \ assert(TP_##x >= 0 && TP_##x < T_LAST_TOKEN); \ symbol = symbol_table_insert(str); \ - pp_token_symbols[TP_##x] = symbol; + if (pp_token_symbols[TP_##x] == NULL) \ + pp_token_symbols[TP_##x] = symbol; #include "tokens_preprocessor.inc" @@ -103,60 +109,89 @@ void print_token_type(FILE *f, token_type_t token_type) const symbol_t *symbol = token_symbols[token_type]; if(symbol != NULL) { - fprintf(f, "'%s'", symbol->string); + fputs(symbol->string, f); } else { if(token_type >= 0 && token_type < 256) { - fprintf(f, "'%c'", token_type); + fputc(token_type, f); return; } fputs("unknown token", f); } } +symbol_t *get_token_symbol(const token_t *token) +{ + return token_symbols[token->type]; +} + +static void print_stringrep(const string_t *string, FILE *f) +{ + for (size_t i = 0; i < string->size; ++i) { + fputc(string->begin[i], f); + } +} + void print_token(FILE *f, const token_t *token) { switch(token->type) { case T_IDENTIFIER: - fprintf(f, "symbol '%s'", token->v.symbol->string); + fprintf(f, "identifier '%s'", token->symbol->string); break; case T_INTEGER: - fprintf(f, "integer number %lld", token->v.intvalue); - break; + case T_INTEGER_OCTAL: + case T_INTEGER_HEXADECIMAL: case T_FLOATINGPOINT: - fprintf(f, "floatingpointer number %LF", token->v.floatvalue); + case T_FLOATINGPOINT_HEXADECIMAL: + print_token_type(f, (token_type_t)token->type); + fputs(" '", f); + print_stringrep(&token->literal, f); + if (token->symbol != NULL) + fputs(token->symbol->string, f); + fputc('\'', f); break; + case T_WIDE_STRING_LITERAL: case T_STRING_LITERAL: - fprintf(f, "string '%s'", token->v.string.begin); /* TODO suboptimal */ + print_token_type(f, (token_type_t)token->type); + fprintf(f, " \"%s\"", token->literal.begin); + break; + case T_CHARACTER_CONSTANT: + case T_WIDE_CHARACTER_CONSTANT: + print_token_type(f, (token_type_t)token->type); + fputs(" \'", f); + print_stringrep(&token->literal, f); + fputs("'", f); break; default: + fputc('\'', f); print_token_type(f, (token_type_t)token->type); + fputc('\'', f); break; } } -void print_pp_token_type(FILE *f, preprocessor_token_type_t token_type) +void print_pp_token_type(FILE *f, int token_type) { - if(token_type == TP_EOF) { + if (token_type == TP_EOF) { fputs("end of file", f); return; } - if(token_type == TP_ERROR) { + if (token_type == TP_ERROR) { fputs("error", f); return; } int token_symbols_len = TP_LAST_TOKEN; - if(token_type < 0 || token_type >= token_symbols_len) { + if (token_type < 0 || token_type >= token_symbols_len) { fputs("invalid token", f); return; } const symbol_t *symbol = pp_token_symbols[token_type]; - if(symbol != NULL) { - fprintf(f, "'%s'", symbol->string); + if (symbol != NULL) { + fputs(symbol->string, f); } else { if(token_type >= 0 && token_type < 256) { - fprintf(f, "'%c'", token_type); + fputc(token_type, f); return; } fputs("unknown token", f); @@ -167,13 +202,13 @@ void print_pp_token(FILE *f, const token_t *token) { switch((preprocessor_token_type_t) token->type) { case TP_IDENTIFIER: - fprintf(f, "symbol '%s'", token->v.symbol->string); + fprintf(f, "identifier '%s'", token->symbol->string); break; case TP_NUMBER: - fprintf(f, "number %s", token->v.string.begin); + fprintf(f, "number '%s'", token->literal.begin); break; case TP_STRING_LITERAL: - fprintf(f, "string '%s'", token->v.string.begin); + fprintf(f, "string \"%s\"", token->literal.begin); break; default: print_pp_token_type(f, (preprocessor_token_type_t) token->type);