mirror of
https://github.com/libretro/scummvm.git
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94 lines
2.8 KiB
Plaintext
94 lines
2.8 KiB
Plaintext
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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%option noyywrap
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%option noinput
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%option nounput
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%option never-interactive
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%option outfile="engines/private/lexer.cpp"
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%option prefix="PRIVATE_"
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%{
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#define YY_NO_UNISTD_H
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#define FORBIDDEN_SYMBOL_EXCEPTION_FILE
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#define FORBIDDEN_SYMBOL_EXCEPTION_fprintf
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#define FORBIDDEN_SYMBOL_EXCEPTION_fwrite
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#define FORBIDDEN_SYMBOL_EXCEPTION_fread
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#define FORBIDDEN_SYMBOL_EXCEPTION_stdin
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#define FORBIDDEN_SYMBOL_EXCEPTION_stdout
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#define FORBIDDEN_SYMBOL_EXCEPTION_stderr
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#define FORBIDDEN_SYMBOL_EXCEPTION_exit
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#define FORBIDDEN_SYMBOL_EXCEPTION_getc
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#include "private/private.h"
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#include "private/grammar.h"
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#include "private/tokens.h"
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using namespace Private;
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using namespace Gen;
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using namespace Settings;
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%}
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%%
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\/\/.* /* ignoring the comment */
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\<= return LTE;
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\>= return GTE;
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!= return NEQ;
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== return EQ;
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debug return DEBUGTOK;
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define return DEFINETOK;
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setting return SETTINGTOK;
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EmitCodeOff return EMITCODEOFFTOK;
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EmitCodeOn return EMITCODEONTOK;
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ResetIDCounter return RESETIDTOK;
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if return IFTOK;
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else return ELSETOK;
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goto return GOTOTOK;
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RECT return RECT;
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FALSE return FALSETOK;
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TRUE return TRUETOK;
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NULL return NULLTOK;
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Random return RANDOMTOK;
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[A-Za-z_][A-Za-z_0-9]* PRIVATE_lval.s = scumm_strdup(PRIVATE_text); return NAME;
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[\-]?[0-9]+ PRIVATE_lval.sym = g_private->maps.constant(NUM, atoi(PRIVATE_text), NULL); return NUM;
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\"[^\"\r\n]*\" PRIVATE_lval.sym = g_private->maps.constant(STRING, 0, scumm_strdup(PRIVATE_text)); return STRING;
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[\r|\n]+ /* ignore return */;
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[ \t]+ /* ignore whitespace */;
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. return *yytext;
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%%
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namespace Private {
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int parse(const char *code) {
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g_setts->init();
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YY_BUFFER_STATE bp;
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yy_delete_buffer(YY_CURRENT_BUFFER);
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bp = yy_scan_string(code);
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yy_switch_to_buffer(bp);
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PRIVATE_parse();
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yy_delete_buffer(bp);
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return 0;
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}
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} // End of namespace Private
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