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view lwcc/token.h @ 305:54f213c8fb81 ccdev
Various bugfixes and output tuning
Tuned output of preprocessor to include line markers similar to the ones
added by the gcc preprocessor.
Also, many fixes for various bits of dumbosity leading to misbehaviour and
crashing.
author | William Astle <lost@l-w.ca> |
---|---|
date | Wed, 18 Sep 2013 19:17:52 -0600 |
parents | 856caf91ffaa |
children | b08787e5b9f3 |
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/* lwcc/token.h Copyright © 2013 William Astle This file is part of LWTOOLS. LWTOOLS 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 3 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, see <http://www.gnu.org/licenses/>. */ #ifndef token_h_seen___ #define token_h_seen___ #include <stdio.h> enum { CPP_NOUNG = -3, CPP_EOL = -2, CPP_EOF = -1, }; enum { TOK_NONE = 0, TOK_EOF, TOK_EOL, TOK_WSPACE, TOK_IDENT, TOK_NUMBER, // TOK_STRING, TOK_CHAR, TOK_DIV, TOK_ADD, TOK_SUB, TOK_OPAREN, TOK_CPAREN, TOK_NE, TOK_EQ, TOK_LE, TOK_LT, TOK_GE, TOK_GT, TOK_BAND, TOK_BOR, TOK_BNOT, TOK_MOD, TOK_COMMA, TOK_ELLIPSIS, TOK_QMARK, TOK_COLON, TOK_OBRACE, TOK_CBRACE, TOK_OSQUARE, TOK_CSQUARE, TOK_COM, TOK_EOS, TOK_HASH, TOK_DBLHASH, TOK_XOR, TOK_XORASS, TOK_STAR, TOK_MULASS, TOK_DIVASS, TOK_ASS, TOK_MODASS, TOK_SUBASS, TOK_DBLSUB, TOK_ADDASS, TOK_DBLADD, TOK_BWAND, TOK_BWANDASS, TOK_BWOR, TOK_BWORASS, TOK_LSH, TOK_LSHASS, TOK_RSH, TOK_RSHASS, TOK_DOT, TOK_CHR_LIT, TOK_STR_LIT, TOK_ARROW, TOK_ENDEXPAND, TOK_STARTEXPAND, TOK_ERROR, TOK_MAX }; struct token { int ttype; // token type char *strval; // the token value if relevant struct token *prev; // previous token in a list struct token *next; // next token in a list struct token_list *list;// pointer to head of list descriptor this token is on int lineno; // line number token came from int column; // character column token came from const char *fn; // file name token came from }; struct token_list { struct token *head; // the head of the list struct token *tail; // the tail of the list }; extern void token_free(struct token *); extern struct token *token_create(int, char *strval, int, int, const char *); extern struct token *token_dup(struct token *); /* add a token to the end of a list */ extern void token_list_append(struct token_list *, struct token *); /* add a token to the start of a list */ extern void token_list_prepend(struct token_list *, struct token *); /* remove individual token from whatever list it is on */ extern void token_list_remove(struct token *); /* replace token with list of tokens specified */ extern void token_list_insert(struct token_list *, struct token *, struct token *); /* duplicate a list to a new list pointer */ extern struct token_list *token_list_dup(struct token_list *); /* print a token out */ extern struct token_list *token_list_create(void); extern void token_list_destroy(struct token_list *); extern void token_print(struct token *, FILE *); #endif // token_h_seen___