1 #ifndef GMQCC_LEXER_HDR_
2 #define GMQCC_LEXER_HDR_
4 typedef struct token_s token;
11 MEM_VECTOR_MAKE(char, value);
30 void token_delete(token*);
31 token* token_copy(const token *cp);
32 void token_delete_all(token *t);
33 token* token_copy_all(const token *cp);
40 /* Other tokens which we can return: */
50 TOKEN_KEYWORD, /* loop */
52 TOKEN_DOTS, /* 3 dots, ... */
54 TOKEN_STRINGCONST, /* not the typename but an actual "string" */
65 /* We use '< TOKEN_ERROR', so TOKEN_FATAL must come after it and any
66 * other error related tokens as well
69 TOKEN_FATAL /* internal error, eg out of memory */
72 static const char *_tokennames[] = {
91 _all_tokennames_added_[
92 ((TOKEN_FATAL - TOKEN_START + 1) ==
93 (sizeof(_tokennames)/sizeof(_tokennames[0])))
105 size_t sline; /* line at the start of a token */
112 token tok; /* not a pointer anymore */
116 bool nodigraphs; /* used when lexing string constants */
117 bool preprocessing; /* whitespace and EOLs become actual tokens */
121 MEM_VECTOR_MAKE(frame_macro, frames);
125 MEM_VECTOR_PROTO(lex_file, char, token);
127 lex_file* lex_open (const char *file);
128 void lex_close(lex_file *lex);
129 int lex_do (lex_file *lex);
130 void lex_cleanup(void);
146 unsigned int operands;
154 #define opid2(a,b) ((a<<8)|b)
155 #define opid3(a,b,c) ((a<<16)|(b<<8)|c)
157 static const oper_info c_operators[] = {
158 { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */
160 { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 16, OP_SUFFIX},
161 { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 16, OP_SUFFIX},
163 { ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 },
164 { "(", 0, opid1('('), ASSOC_LEFT, 15, 0 }, /* function call */
166 { "!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX },
167 { "~", 1, opid2('~', 'P'), ASSOC_RIGHT, 14, OP_PREFIX },
168 { "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX },
169 { "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX },
170 { "++", 1, opid3('+','+','P'), ASSOC_RIGHT, 14, OP_PREFIX },
171 { "--", 1, opid3('-','-','P'), ASSOC_RIGHT, 14, OP_PREFIX },
172 /* { "&", 1, opid2('&','P'), ASSOC_RIGHT, 14, OP_PREFIX }, */
174 { "*", 2, opid1('*'), ASSOC_LEFT, 13, 0 },
175 { "/", 2, opid1('/'), ASSOC_LEFT, 13, 0 },
176 { "%", 2, opid1('%'), ASSOC_LEFT, 13, 0 },
178 { "+", 2, opid1('+'), ASSOC_LEFT, 12, 0 },
179 { "-", 2, opid1('-'), ASSOC_LEFT, 12, 0 },
181 { "<<", 2, opid2('<','<'), ASSOC_LEFT, 11, 0 },
182 { ">>", 2, opid2('>','>'), ASSOC_LEFT, 11, 0 },
184 { "<", 2, opid1('<'), ASSOC_LEFT, 10, 0 },
185 { ">", 2, opid1('>'), ASSOC_LEFT, 10, 0 },
186 { "<=", 2, opid2('<','='), ASSOC_LEFT, 10, 0 },
187 { ">=", 2, opid2('>','='), ASSOC_LEFT, 10, 0 },
189 { "==", 2, opid2('=','='), ASSOC_LEFT, 9, 0 },
190 { "!=", 2, opid2('!','='), ASSOC_LEFT, 9, 0 },
192 { "&", 2, opid1('&'), ASSOC_LEFT, 8, 0 },
194 { "^", 2, opid1('^'), ASSOC_LEFT, 7, 0 },
196 { "|", 2, opid1('|'), ASSOC_LEFT, 6, 0 },
198 { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0 },
200 { "||", 2, opid2('|','|'), ASSOC_LEFT, 4, 0 },
202 { "?", 3, opid2('?',':'), ASSOC_RIGHT, 3, 0 },
204 { "=", 2, opid1('='), ASSOC_RIGHT, 2, 0 },
205 { "+=", 2, opid2('+','='), ASSOC_RIGHT, 2, 0 },
206 { "-=", 2, opid2('-','='), ASSOC_RIGHT, 2, 0 },
207 { "*=", 2, opid2('*','='), ASSOC_RIGHT, 2, 0 },
208 { "/=", 2, opid2('/','='), ASSOC_RIGHT, 2, 0 },
209 { "%=", 2, opid2('%','='), ASSOC_RIGHT, 2, 0 },
210 { ">>=", 2, opid3('>','>','='), ASSOC_RIGHT, 2, 0 },
211 { "<<=", 2, opid3('<','<','='), ASSOC_RIGHT, 2, 0 },
212 { "&=", 2, opid2('&','='), ASSOC_RIGHT, 2, 0 },
213 { "^=", 2, opid2('^','='), ASSOC_RIGHT, 2, 0 },
214 { "|=", 2, opid2('|','='), ASSOC_RIGHT, 2, 0 },
216 { ",", 2, opid1(','), ASSOC_LEFT, 1, 0 }
218 static const size_t c_operator_count = (sizeof(c_operators) / sizeof(c_operators[0]));
220 static const oper_info qcc_operators[] = {
221 { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */
223 { ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 },
224 { "(", 0, opid1('('), ASSOC_LEFT, 15, 0 }, /* function call */
226 { "!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX },
227 { "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX },
228 { "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX },
230 { "*", 2, opid1('*'), ASSOC_LEFT, 13, 0 },
231 { "/", 2, opid1('/'), ASSOC_LEFT, 13, 0 },
232 { "&", 2, opid1('&'), ASSOC_LEFT, 13, 0 },
233 { "|", 2, opid1('|'), ASSOC_LEFT, 13, 0 },
235 { "+", 2, opid1('+'), ASSOC_LEFT, 12, 0 },
236 { "-", 2, opid1('-'), ASSOC_LEFT, 12, 0 },
238 { "<", 2, opid1('<'), ASSOC_LEFT, 10, 0 },
239 { ">", 2, opid1('>'), ASSOC_LEFT, 10, 0 },
240 { "<=", 2, opid2('<','='), ASSOC_LEFT, 10, 0 },
241 { ">=", 2, opid2('>','='), ASSOC_LEFT, 10, 0 },
242 { "==", 2, opid2('=','='), ASSOC_LEFT, 10, 0 },
243 { "!=", 2, opid2('!','='), ASSOC_LEFT, 10, 0 },
245 { "=", 2, opid1('='), ASSOC_RIGHT, 8, 0 },
246 { "+=", 2, opid2('+','='), ASSOC_RIGHT, 8, 0 },
247 { "-=", 2, opid2('-','='), ASSOC_RIGHT, 8, 0 },
248 { "*=", 2, opid2('*','='), ASSOC_RIGHT, 8, 0 },
249 { "/=", 2, opid2('/','='), ASSOC_RIGHT, 8, 0 },
250 { "%=", 2, opid2('%','='), ASSOC_RIGHT, 8, 0 },
251 { "&=", 2, opid2('&','='), ASSOC_RIGHT, 8, 0 },
252 { "|=", 2, opid2('|','='), ASSOC_RIGHT, 8, 0 },
254 { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0 },
255 { "||", 2, opid2('|','|'), ASSOC_LEFT, 5, 0 },
257 { ",", 2, opid1(','), ASSOC_LEFT, 1, 0 }
259 static const size_t qcc_operator_count = (sizeof(qcc_operators) / sizeof(qcc_operators[0]));
261 extern const oper_info *operators;
262 extern size_t operator_count;
263 void lexerror(lex_file*, const char *fmt, ...);