X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=lexer.h;h=8ed85a97ab39607494378f048cd1ad4429d29d91;hp=24e29ddee4080659be406da5f073ef041ecdb115;hb=2d4a054440e9fdf12edc202188ae4ea2e4ce90b5;hpb=64661f54ea4b13657301a975db10aeff6245610f diff --git a/lexer.h b/lexer.h index 24e29dd..8ed85a9 100644 --- a/lexer.h +++ b/lexer.h @@ -1,57 +1,19 @@ -/* - * Copyright (C) 2012, 2013 - * Wolfgang Bumiller - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of - * this software and associated documentation files (the "Software"), to deal in - * the Software without restriction, including without limitation the rights to - * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is furnished to do - * so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ #ifndef GMQCC_LEXER_HDR #define GMQCC_LEXER_HDR -typedef struct token_s token; +#include "gmqcc.h" -struct token_s { +struct token { int ttype; - char *value; - union { vec3_t v; - int i; - double f; - int t; /* type */ + int i; + qcfloat_t f; + qc_type t; /* type */ } constval; - -#if 0 - struct token_s *next; - struct token_s *prev; -#endif - lex_ctx_t ctx; }; -#if 0 -token* token_new(); -void token_delete(token*); -token* token_copy(const token *cp); -void token_delete_all(token *t); -token* token_copy_all(const token *cp); -#endif - /* Lexer * */ @@ -99,13 +61,13 @@ enum { TOKEN_FATAL /* internal error, eg out of memory */ }; -typedef struct { +struct frame_macro { char *name; - int value; -} frame_macro; + int value; +}; -typedef struct lex_file_s { - FILE *file; +struct lex_file { + FILE *file; const char *open_string; size_t open_string_length; size_t open_string_pos; @@ -134,7 +96,7 @@ typedef struct lex_file_s { char *modelname; size_t push_line; -} lex_file; +}; lex_file* lex_open (const char *file); lex_file* lex_open_string(const char *str, size_t len, const char *name); @@ -154,7 +116,7 @@ enum { #define OP_SUFFIX 1 #define OP_PREFIX 2 -typedef struct { +struct oper_info { const char *op; unsigned int operands; unsigned int id; @@ -162,7 +124,7 @@ typedef struct { signed int prec; unsigned int flags; bool folds; -} oper_info; +}; /* * Explicit uint8_t casts since the left operand of shift operator cannot @@ -174,72 +136,72 @@ typedef struct { #define opid3(a,b,c) (((uint8_t)a<<16)|((uint8_t)b<<8)|(uint8_t)c) static const oper_info c_operators[] = { - { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX, false}, /* paren expression - non function call */ + { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX, false}, /* paren expression - non function call */ + { "_length", 1, opid3('l','e','n'), ASSOC_RIGHT, 98, OP_PREFIX, true}, - { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 17, OP_SUFFIX, false}, - { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 17, OP_SUFFIX, false}, - { ".", 2, opid1('.'), ASSOC_LEFT, 17, 0, false}, - { "(", 0, opid1('('), ASSOC_LEFT, 17, 0, false}, /* function call */ - { "[", 2, opid1('['), ASSOC_LEFT, 17, 0, false}, /* array subscript */ + { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 17, OP_SUFFIX, false}, + { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 17, OP_SUFFIX, false}, + { ".", 2, opid1('.'), ASSOC_LEFT, 17, 0, false}, + { "(", 0, opid1('('), ASSOC_LEFT, 17, 0, false}, /* function call */ + { "[", 2, opid1('['), ASSOC_LEFT, 17, 0, false}, /* array subscript */ - { "++", 1, opid3('+','+','P'), ASSOC_RIGHT, 16, OP_PREFIX, false}, - { "--", 1, opid3('-','-','P'), ASSOC_RIGHT, 16, OP_PREFIX, false}, + { "++", 1, opid3('+','+','P'), ASSOC_RIGHT, 16, OP_PREFIX, false}, + { "--", 1, opid3('-','-','P'), ASSOC_RIGHT, 16, OP_PREFIX, false}, - { "**", 2, opid2('*','*'), ASSOC_RIGHT, 15, 0, true}, + { "**", 2, opid2('*','*'), ASSOC_RIGHT, 14, 0, true}, + { "!", 1, opid2('!','P'), ASSOC_RIGHT, 14, OP_PREFIX, true}, + { "~", 1, opid2('~','P'), ASSOC_RIGHT, 14, OP_PREFIX, true}, + { "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX, false}, + { "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX, true}, +/* { "&", 1, opid2('&','P'), ASSOC_RIGHT, 14, OP_PREFIX, false}, */ - { "!", 1, opid2('!','P'), ASSOC_RIGHT, 14, OP_PREFIX, true}, - { "~", 1, opid2('~','P'), ASSOC_RIGHT, 14, OP_PREFIX, true}, - { "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX, false}, - { "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX, true}, -/* { "&", 1, opid2('&','P'), ASSOC_RIGHT, 14, OP_PREFIX, false}, */ + { "*", 2, opid1('*'), ASSOC_LEFT, 13, 0, true}, + { "/", 2, opid1('/'), ASSOC_LEFT, 13, 0, true}, + { "%", 2, opid1('%'), ASSOC_LEFT, 13, 0, true}, + { "><", 2, opid2('>','<'), ASSOC_LEFT, 13, 0, true}, - { "*", 2, opid1('*'), ASSOC_LEFT, 13, 0, true}, - { "/", 2, opid1('/'), ASSOC_LEFT, 13, 0, true}, - { "%", 2, opid1('%'), ASSOC_LEFT, 13, 0, true}, - { "><", 2, opid2('>','<'), ASSOC_LEFT, 13, 0, true}, + { "+", 2, opid1('+'), ASSOC_LEFT, 12, 0, true}, + { "-", 2, opid1('-'), ASSOC_LEFT, 12, 0, true}, - { "+", 2, opid1('+'), ASSOC_LEFT, 12, 0, true}, - { "-", 2, opid1('-'), ASSOC_LEFT, 12, 0, true}, + { "<<", 2, opid2('<','<'), ASSOC_LEFT, 11, 0, true}, + { ">>", 2, opid2('>','>'), ASSOC_LEFT, 11, 0, true}, - { "<<", 2, opid2('<','<'), ASSOC_LEFT, 11, 0, true}, - { ">>", 2, opid2('>','>'), ASSOC_LEFT, 11, 0, true}, + { "<", 2, opid1('<'), ASSOC_LEFT, 10, 0, false}, + { ">", 2, opid1('>'), ASSOC_LEFT, 10, 0, false}, + { "<=>", 2, opid3('<','=','>'), ASSOC_LEFT, 10, 0, true}, + { "<=", 2, opid2('<','='), ASSOC_LEFT, 10, 0, false}, + { ">=", 2, opid2('>','='), ASSOC_LEFT, 10, 0, false}, - { "<", 2, opid1('<'), ASSOC_LEFT, 10, 0, false}, - { ">", 2, opid1('>'), ASSOC_LEFT, 10, 0, false}, - { "<=>", 2, opid3('<','=','>'), ASSOC_LEFT, 10, 0, true}, - { "<=", 2, opid2('<','='), ASSOC_LEFT, 10, 0, false}, - { ">=", 2, opid2('>','='), ASSOC_LEFT, 10, 0, false}, - - { "==", 2, opid2('=','='), ASSOC_LEFT, 9, 0, true}, - { "!=", 2, opid2('!','='), ASSOC_LEFT, 9, 0, true}, + { "==", 2, opid2('=','='), ASSOC_LEFT, 9, 0, true}, + { "!=", 2, opid2('!','='), ASSOC_LEFT, 9, 0, true}, - { "&", 2, opid1('&'), ASSOC_LEFT, 8, 0, true}, + { "&", 2, opid1('&'), ASSOC_LEFT, 8, 0, true}, - { "^", 2, opid1('^'), ASSOC_LEFT, 7, 0, true}, + { "^", 2, opid1('^'), ASSOC_LEFT, 7, 0, true}, - { "|", 2, opid1('|'), ASSOC_LEFT, 6, 0, true}, + { "|", 2, opid1('|'), ASSOC_LEFT, 6, 0, true}, - { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0, true}, + { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0, true}, - { "||", 2, opid2('|','|'), ASSOC_LEFT, 4, 0, true}, + { "||", 2, opid2('|','|'), ASSOC_LEFT, 4, 0, true}, - { "?", 3, opid2('?',':'), ASSOC_RIGHT, 3, 0, true}, + { "?", 3, opid2('?',':'), ASSOC_RIGHT, 3, 0, true}, - { "=", 2, opid1('='), ASSOC_RIGHT, 2, 0, false}, - { "+=", 2, opid2('+','='), ASSOC_RIGHT, 2, 0, false}, - { "-=", 2, opid2('-','='), ASSOC_RIGHT, 2, 0, false}, - { "*=", 2, opid2('*','='), ASSOC_RIGHT, 2, 0, false}, - { "/=", 2, opid2('/','='), ASSOC_RIGHT, 2, 0, false}, - { "%=", 2, opid2('%','='), ASSOC_RIGHT, 2, 0, false}, - { ">>=", 2, opid3('>','>','='), ASSOC_RIGHT, 2, 0, false}, - { "<<=", 2, opid3('<','<','='), ASSOC_RIGHT, 2, 0, false}, - { "&=", 2, opid2('&','='), ASSOC_RIGHT, 2, 0, false}, - { "^=", 2, opid2('^','='), ASSOC_RIGHT, 2, 0, false}, - { "|=", 2, opid2('|','='), ASSOC_RIGHT, 2, 0, false}, + { "=", 2, opid1('='), ASSOC_RIGHT, 2, 0, false}, + { "+=", 2, opid2('+','='), ASSOC_RIGHT, 2, 0, false}, + { "-=", 2, opid2('-','='), ASSOC_RIGHT, 2, 0, false}, + { "*=", 2, opid2('*','='), ASSOC_RIGHT, 2, 0, false}, + { "/=", 2, opid2('/','='), ASSOC_RIGHT, 2, 0, false}, + { "%=", 2, opid2('%','='), ASSOC_RIGHT, 2, 0, false}, + { ">>=", 2, opid3('>','>','='), ASSOC_RIGHT, 2, 0, false}, + { "<<=", 2, opid3('<','<','='), ASSOC_RIGHT, 2, 0, false}, + { "&=", 2, opid2('&','='), ASSOC_RIGHT, 2, 0, false}, + { "^=", 2, opid2('^','='), ASSOC_RIGHT, 2, 0, false}, + { "|=", 2, opid2('|','='), ASSOC_RIGHT, 2, 0, false}, - { ":", 0, opid2(':','?'), ASSOC_RIGHT, 1, 0, false}, + { ":", 0, opid2(':','?'), ASSOC_RIGHT, 1, 0, false}, - { ",", 2, opid1(','), ASSOC_LEFT, 0, 0, false} + { ",", 2, opid1(','), ASSOC_LEFT, 0, 0, false} }; static const oper_info fte_operators[] = {