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| 1 | /*---------------------------------------------------------------------------- | ||
| 2 | ChucK Concurrent, On-the-fly Audio Programming Language | ||
| 3 | Compiler and Virtual Machine | ||
| 4 | |||
| 5 | Copyright (c) 2004 Ge Wang and Perry R. Cook. All rights reserved. | ||
| 6 | http://chuck.stanford.edu/ | ||
| 7 | http://chuck.cs.princeton.edu/ | ||
| 8 | |||
| 9 | This program is free software; you can redistribute it and/or modify | ||
| 10 | it under the terms of the GNU General Public License as published by | ||
| 11 | the Free Software Foundation; either version 2 of the License, or | ||
| 12 | (at your option) any later version. | ||
| 13 | |||
| 14 | This program is distributed in the hope that it will be useful, | ||
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 17 | GNU General Public License for more details. | ||
| 18 | |||
| 19 | You should have received a copy of the GNU General Public License | ||
| 20 | along with this program; if not, write to the Free Software | ||
| 21 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | ||
| 22 | U.S.A. | ||
| 23 | -----------------------------------------------------------------------------*/ | ||
| 24 | |||
| 25 | //----------------------------------------------------------------------------- | ||
| 26 | // file: chuck_parse.cpp | ||
| 27 | // desc: chuck parser interface (using flex and bison) | ||
| 28 | // | ||
| 29 | // author: Ge Wang (ge@ccrma.stanford.edu | gewang@cs.princeton.edu) | ||
| 30 | // date: Autumn 2002 - original in chuck_main.cpp | ||
| 31 | // Autumn 2005 - this file | ||
| 32 | //----------------------------------------------------------------------------- | ||
| 33 | #include "chuck_parse.h" | ||
| 34 | #include "chuck_errmsg.h" | ||
| 35 | #include <string.h> | ||
| 36 | using namespace std; | ||
| 37 | |||
| 38 | |||
| 39 | // global | ||
| 40 | static char g_filename[1024] = ""; | ||
| 41 | |||
| 42 | // external | ||
| 43 | extern "C" { | ||
| 44 | extern FILE *yyin; | ||
| 45 | } | ||
| 46 | |||
| 47 | |||
| 48 | |||
| 49 | |||
| 50 | //----------------------------------------------------------------------------- | ||
| 51 | // name: open_cat_ck() | ||
| 52 | // desc: ... | ||
| 53 | //----------------------------------------------------------------------------- | ||
| 54 | FILE * open_cat_ck( c_str fname ) | ||
| 55 | { | ||
| 56 | FILE * fd = NULL; | ||
| 57 | if( !(fd = fopen( fname, "rb" )) ) | ||
| 58 | if( !strstr( fname, ".ck" ) && !strstr( fname, ".CK" ) ) | ||
| 59 | { | ||
| 60 | strcat( fname, ".ck" ); | ||
| 61 | fd = fopen( fname, "rb" ); | ||
| 62 | } | ||
| 63 | return fd; | ||
| 64 | } | ||
| 65 | |||
| 66 | |||
| 67 | |||
| 68 | //----------------------------------------------------------------------------- | ||
| 69 | // name: win32_tmpfile() | ||
| 70 | // desc: replacement for broken tmpfile() on Windows Vista + 7 | ||
| 71 | //----------------------------------------------------------------------------- | ||
| 72 | #ifdef __PLATFORM_WIN32__ | ||
| 73 | |||
| 74 | #include <windows.h> | ||
| 75 | |||
| 76 | FILE *win32_tmpfile() | ||
| 77 | { | ||
| 78 | char tmp_path[MAX_PATH]; | ||
| 79 | char file_path[MAX_PATH]; | ||
| 80 | FILE * file = NULL; | ||
| 81 | |||
| 82 | if(GetTempPath(256, tmp_path) == 0) | ||
| 83 | return NULL; | ||
| 84 | |||
| 85 | if(GetTempFileName(tmp_path, "mA", 0, file_path) == 0) | ||
| 86 | return NULL; | ||
| 87 | |||
| 88 | file = fopen(file_path, "wb+D"); | ||
| 89 | |||
| 90 | return file; | ||
| 91 | } | ||
| 92 | |||
| 93 | #endif | ||
| 94 | |||
| 95 | |||
| 96 | |||
| 97 | //----------------------------------------------------------------------------- | ||
| 98 | // name: chuck_parse() | ||
| 99 | // desc: ... | ||
| 100 | //----------------------------------------------------------------------------- | ||
| 101 | t_CKBOOL chuck_parse( c_constr fname, FILE * fd, c_constr code ) | ||
| 102 | { | ||
| 103 | t_CKBOOL clo = FALSE; | ||
| 104 | t_CKBOOL ret = FALSE; | ||
| 105 | |||
| 106 | // sanity check | ||
| 107 | if( fd && code ) | ||
| 108 | { | ||
| 109 | CK_FPRINTF_STDERR( "[chuck](via parser): (internal) both fd and code specified!\n" ); | ||
| 110 | return FALSE; | ||
| 111 | } | ||
| 112 | |||
| 113 | // prepare code | ||
| 114 | if( code ) | ||
| 115 | { | ||
| 116 | // ! | ||
| 117 | assert( fd == NULL ); | ||
| 118 | // generate temp file | ||
| 119 | #ifdef __PLATFORM_WIN32__ | ||
| 120 | fd = win32_tmpfile(); | ||
| 121 | #else | ||
| 122 | fd = tmpfile(); | ||
| 123 | #endif | ||
| 124 | // flag it to close | ||
| 125 | clo = TRUE; | ||
| 126 | // write | ||
| 127 | fwrite( code, sizeof(char), strlen(code), fd ); | ||
| 128 | } | ||
| 129 | |||
| 130 | /* | ||
| 131 | // use code from memory buffer if its available | ||
| 132 | if( code ) | ||
| 133 | { | ||
| 134 | // copy name | ||
| 135 | strcpy( g_filename, fname ); | ||
| 136 | // reset | ||
| 137 | if( EM_reset( g_filename, NULL ) == FALSE ) goto cleanup; | ||
| 138 | |||
| 139 | // TODO: clean g_program | ||
| 140 | g_program = NULL; | ||
| 141 | |||
| 142 | // clean | ||
| 143 | yyrestart( NULL ); | ||
| 144 | |||
| 145 | // load string (yy_scan_string will copy the C string) | ||
| 146 | YY_BUFFER_STATE ybs = yy_scan_string( code ); | ||
| 147 | if( !ybs ) goto cleanup; | ||
| 148 | |||
| 149 | // parse | ||
| 150 | if( !( yyparse() == 0 ) ) goto cleanup; | ||
| 151 | |||
| 152 | // delete the lexer buffer | ||
| 153 | yy_delete_buffer( ybs ); | ||
| 154 | |||
| 155 | } | ||
| 156 | */ | ||
| 157 | |||
| 158 | // remember filename | ||
| 159 | strcpy( g_filename, fname ); | ||
| 160 | |||
| 161 | // test it | ||
| 162 | if( !fd ) { | ||
| 163 | fd = open_cat_ck( g_filename ); | ||
| 164 | if( !fd ) strcpy( g_filename, fname ); | ||
| 165 | else clo = TRUE; | ||
| 166 | } | ||
| 167 | |||
| 168 | // reset | ||
| 169 | if( EM_reset( g_filename, fd ) == FALSE ) goto cleanup; | ||
| 170 | |||
| 171 | // lexer/parser | ||
| 172 | // TODO: if( yyin ) { fclose( yyin ); yyin = NULL; } | ||
| 173 | |||
| 174 | // if no fd, open | ||
| 175 | if( !fd ) { fd = fopen( g_filename, "r" ); if( fd ) clo = TRUE; } | ||
| 176 | // if still none | ||
| 177 | if( !fd ) { EM_error2( 0, "no such file or directory" ); goto cleanup; } | ||
| 178 | // set to beginning | ||
| 179 | else fseek( fd, 0, SEEK_SET ); | ||
| 180 | |||
| 181 | // reset yyin to fd | ||
| 182 | yyrestart( fd ); | ||
| 183 | |||
| 184 | // check | ||
| 185 | if( yyin == NULL ) goto cleanup; | ||
| 186 | |||
| 187 | // TODO: clean g_program | ||
| 188 | g_program = NULL; | ||
| 189 | |||
| 190 | // parse | ||
| 191 | if( !(yyparse( ) == 0) ) goto cleanup; | ||
| 192 | |||
| 193 | // flag success | ||
| 194 | ret = TRUE; | ||
| 195 | |||
| 196 | cleanup: | ||
| 197 | |||
| 198 | // done | ||
| 199 | if( clo ) fclose( fd ); | ||
| 200 | |||
| 201 | return ret; | ||
| 202 | } | ||
| 203 | |||
| 204 | |||
| 205 | |||
| 206 | |||
| 207 | //------------------------------------------------------------------------------ | ||
| 208 | // name: reset_parse() | ||
| 209 | // desc: ... | ||
| 210 | //------------------------------------------------------------------------------ | ||
| 211 | void reset_parse( ) | ||
| 212 | { | ||
| 213 | // empty file name | ||
| 214 | EM_change_file( NULL ); | ||
| 215 | } | ||
| 216 | |||
| 217 | |||
| 218 | |||
| 219 | |||
| 220 | //----------------------------------------------------------------------------- | ||
| 221 | // name: parseLine() | ||
| 222 | // desc: ... | ||
| 223 | //----------------------------------------------------------------------------- | ||
| 224 | t_CKBOOL SyntaxQuery::parseLine( const std::string & line, SyntaxTokenList & tokens ) | ||
| 225 | { | ||
| 226 | // clear the token list | ||
| 227 | tokens.howmany = 0; | ||
| 228 | |||
| 229 | return TRUE; | ||
| 230 | } | ||