1 /*****************************************************************************/
5 /* Source file line info structure */
9 /* (C) 1998-2004 Ullrich von Bassewitz */
10 /* Römerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
48 /*****************************************************************************/
49 /* Token definitions */
50 /*****************************************************************************/
54 typedef enum token_t {
65 /* Tokens denoting type qualifiers */
67 TOK_CONST = TOK_FIRST_TYPEQUAL,
69 TOK_LAST_TYPEQUAL = TOK_VOLATILE,
71 /* Tokens denoting types */
73 TOK_ENUM = TOK_FIRST_TYPE,
85 TOK_LAST_TYPE = TOK_VOID,
87 /* Control statements */
108 /* Primary operators */
127 TOK_MUL = TOK_STAR, /* Alias */
178 /*****************************************************************************/
180 /*****************************************************************************/
185 typedef struct Token Token;
187 token_t Tok; /* The token itself */
188 long IVal; /* The integer attribute */
189 double FVal; /* The float attribute */
190 ident Ident; /* Identifier if IDENT */
191 LineInfo* LI; /* Source line where the token comes from */
192 type* Type; /* Type if integer or float constant */
195 extern Token CurTok; /* The current token */
196 extern Token NextTok; /* The next token */
200 /*****************************************************************************/
202 /*****************************************************************************/
206 #if defined(HAVE_INLINE)
207 INLINE int TokIsType (const Token* T)
208 /* Return true if the token is a type */
210 return (T->Tok >= TOK_FIRST_TYPE && T->Tok <= TOK_LAST_TYPE);
213 # define TokIsType(T) ((T)->Tok >= TOK_FIRST_TYPE && (T)->Tok <= TOK_LAST_TYPE)
216 #if defined(HAVE_INLINE)
217 INLINE int TokIsTypeQual (const Token* T)
218 /* Return true if the token is a type qualifier */
220 return (T->Tok >= TOK_FIRST_TYPEQUAL && T->Tok <= TOK_LAST_TYPEQUAL);
223 # define TokIsTypeQual(T) ((T)->Tok >= TOK_FIRST_TYPEQUAL && (T)->Tok <= TOK_LAST_TYPEQUAL)
226 void SymName (char* S);
227 /* Read a symbol from the input stream. The first character must have been
228 * checked before calling this function. The buffer is expected to be at
229 * least of size MAX_IDENTLEN+1.
233 /* If a symbol follows, read it and return 1, otherwise return 0 */
235 void NextToken (void);
236 /* Get next token from input stream */
238 void SkipTokens (const token_t* TokenList, unsigned TokenCount);
239 /* Skip tokens until we reach TOK_CEOF or a token in the given token list.
240 * This routine is used for error recovery.
243 int Consume (token_t Token, const char* ErrorMsg);
244 /* Eat token if it is the next in the input stream, otherwise print an error
245 * message. Returns true if the token was found and false otherwise.
248 int ConsumeColon (void);
249 /* Check for a colon and skip it. */
251 int ConsumeSemi (void);
252 /* Check for a semicolon and skip it. */
254 int ConsumeComma (void);
255 /* Check for a comma and skip it. */
257 int ConsumeLParen (void);
258 /* Check for a left parenthesis and skip it */
260 int ConsumeRParen (void);
261 /* Check for a right parenthesis and skip it */
263 int ConsumeLBrack (void);
264 /* Check for a left bracket and skip it */
266 int ConsumeRBrack (void);
267 /* Check for a right bracket and skip it */
269 int ConsumeLCurly (void);
270 /* Check for a left curly brace and skip it */
272 int ConsumeRCurly (void);
273 /* Check for a right curly brace and skip it */
277 /* End of scanner.h */