X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=token_t.h;h=eb42775456ad55d9f043cf9e7b025c7ce01597a8;hb=227b0eb126a28cde3726b5618a6767dba1393bf5;hp=c8e0e109aa5636624086f171839ab6ee59aa78a0;hpb=0e0faae013a4302a0cc4f6e465301a82483e0a52;p=cparser

diff --git a/token_t.h b/token_t.h
index c8e0e10..eb42775 100644
--- a/token_t.h
+++ b/token_t.h
@@ -1,3 +1,22 @@
+/*
+ * 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.
+ */
 #ifndef TOKEN_T_H
 #define TOKEN_T_H
 
@@ -7,50 +26,76 @@
 #include "symbol_table.h"
 #include "type.h"
 
-typedef enum {
-#define T(mode,x,str,val) T_##x val,
-#define TS(x,str,val) T_##x val,
+typedef enum token_kind_tag_t {
+	T_NULL  =  0,
+#define T(mode,x,str,val) x val,
 #include "tokens.inc"
-#undef TS
 #undef T
+	T_LAST_TOKEN
+} token_kind_tag_t;
+typedef unsigned short token_kind_t;
 
-	T_EOF   = -1,
-	T_ERROR = -2
-} token_type_t;
-
-typedef enum {
-#define T(mode,x,str,val) TP_##x val,
-#define TS(x,str,val) TP_##x val,
+typedef enum pp_token_kind_tag_t {
+	TP_NULL = 0,
+#define T(token) TP_##token,
 #include "tokens_preprocessor.inc"
-#undef TS
 #undef T
-} preprocessor_token_type_t;
+	TP_LAST_TOKEN
+} pp_token_kind_tag_t;
+typedef unsigned short pp_token_kind_t;
 
-typedef struct source_position_t source_position_t;
-struct source_position_t {
+typedef struct position_t position_t;
+struct position_t {
 	const char *input_name;
-	unsigned    linenr;
+	unsigned    lineno;
+	unsigned    colno            : 31;
+	unsigned    is_system_header : 1;
 };
 
+extern symbol_t *token_symbols[];
+
 /* position used for "builtin" declarations/types */
-extern source_position_t builtin_source_position;
-
-typedef struct {
-	int type;
-	union {
-		symbol_t      *symbol;
-		long long      intvalue;
-		long double    floatvalue;
-		string_t       string;
-		wide_string_t  wide_string;
-	} v;
-	type_t            *datatype;
-	source_position_t  source_position;
-} token_t;
+extern const position_t builtin_position;
+
+typedef struct token_base_t      token_base_t;
+typedef struct literal_t         literal_t;
+typedef struct macro_parameter_t macro_parameter_t;
+typedef union  token_t           token_t;
+
+struct token_base_t {
+	token_kind_t kind;
+	position_t   pos;
+	symbol_t    *symbol;
+};
+
+struct literal_t {
+	token_base_t base;
+	string_t     string;
+};
+
+struct macro_parameter_t {
+	token_base_t     base;
+	pp_definition_t *def;
+};
+
+union token_t {
+	unsigned          kind;
+	token_base_t      base;
+	literal_t         literal;
+	macro_parameter_t macro_parameter;
+};
+
+char const *get_string_encoding_prefix(string_encoding_t);
 
 void init_tokens(void);
 void exit_tokens(void);
-void print_token_type(FILE *out, token_type_t token_type);
+void print_token_kind(FILE *out, token_kind_t token_kind);
 void print_token(FILE *out, const token_t *token);
 
+/**
+ * returns true if pasting 2 preprocessing tokens next to each other
+ * without a space in between would generate (an)other preprocessing token(s)
+ */
+bool tokens_would_paste(token_kind_t token1, token_kind_t token2);
+
 #endif