1 /*****************************************************************************/
5 /* Source file line info structure */
9 /* (C) 1998-2003 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 {
66 /* Tokens denoting types */
68 TOK_ENUM = TOK_FIRSTTYPE,
80 TOK_LASTTYPE = TOK_VOID,
82 /* Control statements */
103 /* Primary operators */
122 TOK_MUL = TOK_STAR, /* Alias */
172 /*****************************************************************************/
174 /*****************************************************************************/
179 typedef struct Token Token;
181 token_t Tok; /* The token itself */
182 long IVal; /* The integer attribute */
183 double FVal; /* The float attribute */
184 ident Ident; /* Identifier if IDENT */
185 LineInfo* LI; /* Source line where the token comes from */
186 type* Type; /* Type if integer or float constant */
189 extern Token CurTok; /* The current token */
190 extern Token NextTok; /* The next token */
194 /*****************************************************************************/
196 /*****************************************************************************/
200 void SymName (char* s);
201 /* Get symbol from input stream */
204 /* Get symbol from input stream or return 0 if not a symbol. */
206 void NextToken (void);
207 /* Get next token from input stream */
209 void SkipTokens (const token_t* TokenList, unsigned TokenCount);
210 /* Skip tokens until we reach TOK_CEOF or a token in the given token list.
211 * This routine is used for error recovery.
214 int Consume (token_t Token, const char* ErrorMsg);
215 /* Eat token if it is the next in the input stream, otherwise print an error
216 * message. Returns true if the token was found and false otherwise.
219 int ConsumeColon (void);
220 /* Check for a colon and skip it. */
222 int ConsumeSemi (void);
223 /* Check for a semicolon and skip it. */
225 int ConsumeComma (void);
226 /* Check for a comma and skip it. */
228 int ConsumeLParen (void);
229 /* Check for a left parenthesis and skip it */
231 int ConsumeRParen (void);
232 /* Check for a right parenthesis and skip it */
234 int ConsumeLBrack (void);
235 /* Check for a left bracket and skip it */
237 int ConsumeRBrack (void);
238 /* Check for a right bracket and skip it */
240 int ConsumeLCurly (void);
241 /* Check for a left curly brace and skip it */
243 int ConsumeRCurly (void);
244 /* Check for a right curly brace and skip it */
248 /* End of scanner.h */