1 /*****************************************************************************/
5 /* Source file line info structure */
9 /* (C) 1998-2009, Ullrich von Bassewitz */
10 /* Roemerstrasse 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 /*****************************************************************************/
51 /*****************************************************************************/
52 /* Token definitions */
53 /*****************************************************************************/
57 typedef enum token_t {
61 /* Storage specifiers */
62 TOK_FIRST_STORAGE_CLASS,
63 TOK_AUTO = TOK_FIRST_STORAGE_CLASS,
68 TOK_LAST_STORAGE_CLASS = TOK_TYPEDEF,
70 /* Tokens denoting type qualifiers */
72 TOK_CONST = TOK_FIRST_TYPEQUAL,
75 TOK_LAST_TYPEQUAL = TOK_RESTRICT,
77 /* Function specifiers */
81 /* Tokens denoting types */
83 TOK_ENUM = TOK_FIRST_TYPE,
95 TOK_LAST_TYPE = TOK_VOID,
97 /* Control statements */
118 /* Primary operators */
137 TOK_MUL = TOK_STAR, /* Alias */
188 /*****************************************************************************/
190 /*****************************************************************************/
195 typedef struct Token Token;
197 token_t Tok; /* The token itself */
198 long IVal; /* The integer attribute */
199 Double FVal; /* The float attribute */
200 ident Ident; /* Identifier if IDENT */
201 LineInfo* LI; /* Source line where the token comes from */
202 Type* Type; /* Type if integer or float constant */
205 extern Token CurTok; /* The current token */
206 extern Token NextTok; /* The next token */
210 /*****************************************************************************/
212 /*****************************************************************************/
216 #if defined(HAVE_INLINE)
217 INLINE int TokIsStorageClass (const Token* T)
218 /* Return true if the token is a storage class specifier */
220 return (T->Tok >= TOK_FIRST_STORAGE_CLASS && T->Tok <= TOK_LAST_STORAGE_CLASS);
223 # define TokIsStorageClass(T) \
224 ((T)->Tok >= TOK_FIRST_STORAGE_CLASS && (T)->Tok <= TOK_LAST_STORAGE_CLASS)
227 #if defined(HAVE_INLINE)
228 INLINE int TokIsType (const Token* T)
229 /* Return true if the token is a type */
231 return (T->Tok >= TOK_FIRST_TYPE && T->Tok <= TOK_LAST_TYPE);
234 # define TokIsType(T) ((T)->Tok >= TOK_FIRST_TYPE && (T)->Tok <= TOK_LAST_TYPE)
237 #if defined(HAVE_INLINE)
238 INLINE int TokIsTypeQual (const Token* T)
239 /* Return true if the token is a type qualifier */
241 return (T->Tok >= TOK_FIRST_TYPEQUAL && T->Tok <= TOK_LAST_TYPEQUAL);
244 # define TokIsTypeQual(T) ((T)->Tok >= TOK_FIRST_TYPEQUAL && (T)->Tok <= TOK_LAST_TYPEQUAL)
247 int TokIsFuncSpec (const Token* T);
248 /* Return true if the token is a function specifier */
250 void SymName (char* S);
251 /* Read a symbol from the input stream. The first character must have been
252 * checked before calling this function. The buffer is expected to be at
253 * least of size MAX_IDENTLEN+1.
257 /* If a symbol follows, read it and return 1, otherwise return 0 */
259 void NextToken (void);
260 /* Get next token from input stream */
262 void SkipTokens (const token_t* TokenList, unsigned TokenCount);
263 /* Skip tokens until we reach TOK_CEOF or a token in the given token list.
264 * This routine is used for error recovery.
267 int Consume (token_t Token, const char* ErrorMsg);
268 /* Eat token if it is the next in the input stream, otherwise print an error
269 * message. Returns true if the token was found and false otherwise.
272 int ConsumeColon (void);
273 /* Check for a colon and skip it. */
275 int ConsumeSemi (void);
276 /* Check for a semicolon and skip it. */
278 int ConsumeComma (void);
279 /* Check for a comma and skip it. */
281 int ConsumeLParen (void);
282 /* Check for a left parenthesis and skip it */
284 int ConsumeRParen (void);
285 /* Check for a right parenthesis and skip it */
287 int ConsumeLBrack (void);
288 /* Check for a left bracket and skip it */
290 int ConsumeRBrack (void);
291 /* Check for a right bracket and skip it */
293 int ConsumeLCurly (void);
294 /* Check for a left curly brace and skip it */
296 int ConsumeRCurly (void);
297 /* Check for a right curly brace and skip it */
301 /* End of scanner.h */