+/*
+ * This file is part of cparser.
+ * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
#include <config.h>
#include "token_t.h"
+#include "symbol_t.h"
#include <assert.h>
#include <stdio.h>
#include "symbol.h"
+#include "lang_features.h"
#include "adt/array.h"
static symbol_t *token_symbols[T_LAST_TOKEN];
+static symbol_t *pp_token_symbols[TP_LAST_TOKEN];
-void init_tokens(void)
+const source_position_t builtin_source_position = { "<built-in>", 0, 0 };
+
+static int last_id;
+
+static symbol_t *intern_register_token(token_type_t id, const char *string)
{
- symbol_t *symbol;
+ assert(0 <= id && id < T_LAST_TOKEN);
+ symbol_t *symbol = symbol_table_insert(string);
+ if (token_symbols[id] == NULL)
+ token_symbols[id] = symbol;
+ return symbol;
+}
- memset(token_symbols, 0, T_LAST_TOKEN * sizeof(token_symbols[0]));
+static symbol_t *intern_register_pp_token(preprocessor_token_type_t id, const char *string)
+{
+ assert(0 <= id && id < TP_LAST_TOKEN);
+ symbol_t *symbol = symbol_table_insert(string);
+ if (pp_token_symbols[id] == NULL)
+ pp_token_symbols[id] = symbol;
+ return symbol;
+}
-#define T(x,str,val) \
- assert(T_##x >= 0 && T_##x < T_LAST_TOKEN); \
- symbol = symbol_table_insert(str); \
- symbol->ID = T_##x; \
- token_symbols[T_##x] = symbol;
+static void register_token(unsigned mode, token_type_t id, const char *string)
+{
+ if (id > 255) {
+ assert(id >= last_id);
+ last_id = id;
+ }
+ if (c_mode & mode) {
+ symbol_t *symbol = intern_register_token(id, string);
+ symbol->ID = id;
+ }
+}
-#define TS(x,str,val) \
- assert(T_##x >= 0 && T_##x < T_LAST_TOKEN); \
- symbol = symbol_table_insert(str); \
- token_symbols[T_##x] = symbol;
+static void register_pp_token(unsigned mode, token_type_t id,
+ const char *string)
+{
+ if (! (c_mode & mode))
+ return;
-#include "tokens.inc"
+ symbol_t *symbol = intern_register_pp_token(id, string);
+ symbol->pp_ID = id;
+}
+void init_tokens(void)
+{
+ memset(token_symbols, 0, T_LAST_TOKEN * sizeof(token_symbols[0]));
+ memset(pp_token_symbols, 0, TP_LAST_TOKEN * sizeof(pp_token_symbols[0]));
+
+ last_id = -2;
+
+#define T(mode,x,str,val) register_token(mode, T_##x, str);
+#define TS(x,str,val) intern_register_token(T_##x, str);
+#include "tokens.inc"
#undef TS
#undef T
-#define T(x,str,val) \
- assert(TP_##x >= 0 && TP_##x < TP_LAST_TOKEN); \
- symbol = symbol_table_insert(str); \
- symbol->pp_ID = TP_##x;
-
+#define T(mode,x,str,val) register_pp_token(mode, TP_##x, str);
+#define TS(x,str,val) intern_register_pp_token(TP_##x, str);
#include "tokens_preprocessor.inc"
-
+#undef TS
#undef T
}
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 %d", token->v.intvalue);
+ case T_INTEGER_OCTAL:
+ case T_INTEGER_HEXADECIMAL:
+ case T_FLOATINGPOINT:
+ 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);
+ 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, int token_type)
+{
+ if (token_type == TP_EOF) {
+ fputs("end of file", f);
+ return;
+ }
+ 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) {
+ fputs("invalid token", f);
+ return;
+ }
+
+ const symbol_t *symbol = pp_token_symbols[token_type];
+ if (symbol != NULL) {
+ fputs(symbol->string, f);
+ } else {
+ if(token_type >= 0 && token_type < 256) {
+ fputc(token_type, f);
+ return;
+ }
+ fputs("unknown token", f);
+ }
+}
+
+void print_pp_token(FILE *f, const token_t *token)
+{
+ switch((preprocessor_token_type_t) token->type) {
+ case TP_IDENTIFIER:
+ fprintf(f, "identifier '%s'", token->symbol->string);
+ break;
+ case TP_NUMBER:
+ fprintf(f, "number '%s'", token->literal.begin);
+ break;
+ case TP_STRING_LITERAL:
+ fprintf(f, "string \"%s\"", token->literal.begin);
break;
default:
- print_token_type(f, token->type);
+ print_pp_token_type(f, (preprocessor_token_type_t) token->type);
break;
}
}
projects / cparser / blobdiff