X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=lexer.h;h=e3ba96f1ff8f91ef2af20310720d2e42036d7878;hp=b8e2e01f8449c1654ae298ffcff3181f6d58d5cb;hb=53fd019780bc33c28c7d41aa046c4b74ed65b01f;hpb=79abe3fb6d9cf6c0d5f234d64fd77181b2c2317d diff --git a/lexer.h b/lexer.h index b8e2e01..e3ba96f 100644 --- a/lexer.h +++ b/lexer.h @@ -1,5 +1,27 @@ -#ifndef GMQCC_LEXER_HDR_ -#define GMQCC_LEXER_HDR_ +/* + * Copyright (C) 2012 + * 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; @@ -69,30 +91,6 @@ enum { TOKEN_FATAL /* internal error, eg out of memory */ }; -static const char *_tokennames[] = { - "TOKEN_START", - "TOKEN_IDENT", - "TOKEN_TYPENAME", - "TOKEN_OPERATOR", - "TOKEN_KEYWORD", - "TOKEN_DOTS", - "TOKEN_STRINGCONST", - "TOKEN_CHARCONST", - "TOKEN_VECTORCONST", - "TOKEN_INTCONST", - "TOKEN_FLOATCONST", - "TOKEN_WHITE", - "TOKEN_EOL", - "TOKEN_EOF", - "TOKEN_ERROR", - "TOKEN_FATAL", -}; -typedef int -_all_tokennames_added_[ - ((TOKEN_FATAL - TOKEN_START + 1) == - (sizeof(_tokennames)/sizeof(_tokennames[0]))) - ? 1 : -1]; - typedef struct { char *name; int value; @@ -125,6 +123,8 @@ typedef struct { int framevalue; frame_macro *frames; char *modelname; + + size_t push_line; } lex_file; lex_file* lex_open (const char *file); @@ -150,7 +150,7 @@ typedef struct { unsigned int operands; unsigned int id; unsigned int assoc; - unsigned int prec; + signed int prec; unsigned int flags; } oper_info; @@ -161,9 +161,8 @@ typedef struct { static const oper_info c_operators[] = { { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */ - { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 16, OP_SUFFIX}, - { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 16, OP_SUFFIX}, - + { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 15, OP_SUFFIX}, + { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 15, OP_SUFFIX}, { ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 }, { "(", 0, opid1('('), ASSOC_LEFT, 15, 0 }, /* function call */ { "[", 2, opid1('['), ASSOC_LEFT, 15, 0 }, /* array subscript */ @@ -218,10 +217,63 @@ static const oper_info c_operators[] = { { "^=", 2, opid2('^','='), ASSOC_RIGHT, 2, 0 }, { "|=", 2, opid2('|','='), ASSOC_RIGHT, 2, 0 }, - { ",", 2, opid1(','), ASSOC_LEFT, 1, 0 } + { ":", 3, opid2(':','?'), ASSOC_RIGHT, 1, 0 }, + + { ",", 2, opid1(','), ASSOC_LEFT, 0, 0 } }; static const size_t c_operator_count = (sizeof(c_operators) / sizeof(c_operators[0])); +static const oper_info fte_operators[] = { + { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */ + + { "++", 1, opid3('S','+','+'), ASSOC_LEFT, 15, OP_SUFFIX}, + { "--", 1, opid3('S','-','-'), ASSOC_LEFT, 15, OP_SUFFIX}, + { ".", 2, opid1('.'), ASSOC_LEFT, 15, 0 }, + { "(", 0, opid1('('), ASSOC_LEFT, 15, 0 }, /* function call */ + { "[", 2, opid1('['), ASSOC_LEFT, 15, 0 }, /* array subscript */ + + { "!", 1, opid2('!', 'P'), ASSOC_RIGHT, 14, OP_PREFIX }, + { "+", 1, opid2('+','P'), ASSOC_RIGHT, 14, OP_PREFIX }, + { "-", 1, opid2('-','P'), ASSOC_RIGHT, 14, OP_PREFIX }, + { "++", 1, opid3('+','+','P'), ASSOC_RIGHT, 14, OP_PREFIX }, + { "--", 1, opid3('-','-','P'), ASSOC_RIGHT, 14, OP_PREFIX }, + + { "*", 2, opid1('*'), ASSOC_LEFT, 13, 0 }, + { "/", 2, opid1('/'), ASSOC_LEFT, 13, 0 }, + { "&", 2, opid1('&'), ASSOC_LEFT, 13, 0 }, + { "|", 2, opid1('|'), ASSOC_LEFT, 13, 0 }, + + { "+", 2, opid1('+'), ASSOC_LEFT, 12, 0 }, + { "-", 2, opid1('-'), ASSOC_LEFT, 12, 0 }, + + { "<", 2, opid1('<'), ASSOC_LEFT, 10, 0 }, + { ">", 2, opid1('>'), ASSOC_LEFT, 10, 0 }, + { "<=", 2, opid2('<','='), ASSOC_LEFT, 10, 0 }, + { ">=", 2, opid2('>','='), ASSOC_LEFT, 10, 0 }, + { "==", 2, opid2('=','='), ASSOC_LEFT, 10, 0 }, + { "!=", 2, opid2('!','='), ASSOC_LEFT, 10, 0 }, + + { "?", 3, opid2('?',':'), ASSOC_RIGHT, 9, 0 }, + + { "=", 2, opid1('='), ASSOC_RIGHT, 8, 0 }, + { "+=", 2, opid2('+','='), ASSOC_RIGHT, 8, 0 }, + { "-=", 2, opid2('-','='), ASSOC_RIGHT, 8, 0 }, + { "*=", 2, opid2('*','='), ASSOC_RIGHT, 8, 0 }, + { "/=", 2, opid2('/','='), ASSOC_RIGHT, 8, 0 }, + { "%=", 2, opid2('%','='), ASSOC_RIGHT, 8, 0 }, + { "&=", 2, opid2('&','='), ASSOC_RIGHT, 8, 0 }, + { "|=", 2, opid2('|','='), ASSOC_RIGHT, 8, 0 }, + { "&~=", 2, opid3('&','~','='), ASSOC_RIGHT, 8, 0 }, + + { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0 }, + { "||", 2, opid2('|','|'), ASSOC_LEFT, 5, 0 }, + + /* Leave precedence 3 for : with -fcorrect-ternary */ + { ",", 2, opid1(','), ASSOC_LEFT, 2, 0 }, + { ":", 0, opid2(':','?'), ASSOC_RIGHT, 1, 0 } +}; +static const size_t fte_operator_count = (sizeof(fte_operators) / sizeof(fte_operators[0])); + static const oper_info qcc_operators[] = { { "(", 0, opid1('('), ASSOC_LEFT, 99, OP_PREFIX}, /* paren expression - non function call */ @@ -260,7 +312,7 @@ static const oper_info qcc_operators[] = { { "&&", 2, opid2('&','&'), ASSOC_LEFT, 5, 0 }, { "||", 2, opid2('|','|'), ASSOC_LEFT, 5, 0 }, - { ",", 2, opid1(','), ASSOC_LEFT, 1, 0 } + { ",", 2, opid1(','), ASSOC_LEFT, 2, 0 }, }; static const size_t qcc_operator_count = (sizeof(qcc_operators) / sizeof(qcc_operators[0]));