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https://github.com/reactos/CMake.git
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COMP: Fix unused yyunput warning in lexer
This adds the "nounput" option to the flex input file so that yyunput is not generated. The function is static but not used so some compilers warn.
This commit is contained in:
Brad King
parent
3958b3e112
commit
ae7f2b47b3
@ -605,8 +605,6 @@ extern int cmCommandArgument_yywrap (yyscan_t yyscanner );
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#endif
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#endif
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static void yyunput (int c,char *buf_ptr ,yyscan_t yyscanner);
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#ifndef yytext_ptr
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static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
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#endif
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@ -729,10 +727,10 @@ YY_DECL
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register int yy_act;
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struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
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#line 63 "cmCommandArgumentLexer.in.l"
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#line 64 "cmCommandArgumentLexer.in.l"
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#line 734 "cmCommandArgumentLexer.cxx"
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#line 732 "cmCommandArgumentLexer.cxx"
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if ( !yyg->yy_init )
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{
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@ -817,15 +815,15 @@ do_action: /* This label is used only to access EOF actions. */
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case 1:
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YY_RULE_SETUP
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#line 65 "cmCommandArgumentLexer.in.l"
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{
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#line 66 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
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return cal_ENVCURLY;
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}
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yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
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return cal_ENVCURLY;
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}
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case 2:
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YY_RULE_SETUP
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#line 71 "cmCommandArgumentLexer.in.l"
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#line 72 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
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@ -833,7 +831,7 @@ YY_RULE_SETUP
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}
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case 3:
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YY_RULE_SETUP
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#line 77 "cmCommandArgumentLexer.in.l"
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#line 78 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
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@ -841,7 +839,7 @@ YY_RULE_SETUP
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}
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case 4:
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YY_RULE_SETUP
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#line 83 "cmCommandArgumentLexer.in.l"
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#line 84 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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@ -850,7 +848,7 @@ YY_RULE_SETUP
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}
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case 5:
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YY_RULE_SETUP
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#line 90 "cmCommandArgumentLexer.in.l"
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#line 91 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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@ -859,7 +857,7 @@ YY_RULE_SETUP
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}
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case 6:
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YY_RULE_SETUP
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#line 97 "cmCommandArgumentLexer.in.l"
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#line 98 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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@ -868,7 +866,7 @@ YY_RULE_SETUP
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}
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case 7:
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YY_RULE_SETUP
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#line 104 "cmCommandArgumentLexer.in.l"
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#line 105 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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@ -876,7 +874,7 @@ YY_RULE_SETUP
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}
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case 8:
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YY_RULE_SETUP
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#line 110 "cmCommandArgumentLexer.in.l"
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#line 111 "cmCommandArgumentLexer.in.l"
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{
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if ( !yyextra->HandleEscapeSymbol(yylvalp, *(yytext+1)) )
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{
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@ -887,7 +885,7 @@ YY_RULE_SETUP
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case 9:
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/* rule 9 can match eol */
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YY_RULE_SETUP
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#line 118 "cmCommandArgumentLexer.in.l"
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#line 119 "cmCommandArgumentLexer.in.l"
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{
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//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
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yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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@ -895,7 +893,7 @@ YY_RULE_SETUP
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}
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case 10:
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YY_RULE_SETUP
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#line 124 "cmCommandArgumentLexer.in.l"
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#line 125 "cmCommandArgumentLexer.in.l"
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{
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//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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yylvalp->str = yyextra->DOLLARVariable;
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@ -903,7 +901,7 @@ YY_RULE_SETUP
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}
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case 11:
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YY_RULE_SETUP
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#line 130 "cmCommandArgumentLexer.in.l"
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#line 131 "cmCommandArgumentLexer.in.l"
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{
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//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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yylvalp->str = yyextra->LCURLYVariable;
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@ -911,7 +909,7 @@ YY_RULE_SETUP
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}
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case 12:
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YY_RULE_SETUP
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#line 136 "cmCommandArgumentLexer.in.l"
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#line 137 "cmCommandArgumentLexer.in.l"
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{
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//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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yylvalp->str = yyextra->BSLASHVariable;
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@ -919,7 +917,7 @@ YY_RULE_SETUP
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}
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case 13:
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YY_RULE_SETUP
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#line 142 "cmCommandArgumentLexer.in.l"
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#line 143 "cmCommandArgumentLexer.in.l"
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{
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//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
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yylvalp->str = yyextra->BSLASHVariable;
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@ -927,10 +925,10 @@ YY_RULE_SETUP
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}
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case 14:
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YY_RULE_SETUP
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#line 148 "cmCommandArgumentLexer.in.l"
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#line 149 "cmCommandArgumentLexer.in.l"
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ECHO;
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YY_BREAK
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#line 945 "cmCommandArgumentLexer.cxx"
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#line 943 "cmCommandArgumentLexer.cxx"
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case YY_STATE_EOF(INITIAL):
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case YY_STATE_EOF(ESCAPES):
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case YY_STATE_EOF(NOESCAPES):
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@ -1264,44 +1262,6 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
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return yy_is_jam ? 0 : yy_current_state;
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}
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static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner)
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{
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register char *yy_cp;
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struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
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yy_cp = yyg->yy_c_buf_p;
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/* undo effects of setting up yytext */
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*yy_cp = yyg->yy_hold_char;
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if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
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{ /* need to shift things up to make room */
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/* +2 for EOB chars. */
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register int number_to_move = yyg->yy_n_chars + 2;
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register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
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YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
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register char *source =
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&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
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while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
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*--dest = *--source;
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yy_cp += (int) (dest - source);
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yy_bp += (int) (dest - source);
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YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
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yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
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if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
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YY_FATAL_ERROR( "flex scanner push-back overflow" );
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}
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*--yy_cp = (char) c;
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yyg->yytext_ptr = yy_bp;
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yyg->yy_hold_char = *yy_cp;
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yyg->yy_c_buf_p = yy_cp;
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}
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#ifndef YY_NO_INPUT
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#ifdef __cplusplus
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static int yyinput (yyscan_t yyscanner)
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@ -2087,7 +2047,7 @@ void cmCommandArgument_yyfree (void * ptr , yyscan_t)
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#define YYTABLES_NAME "yytables"
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#line 148 "cmCommandArgumentLexer.in.l"
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#line 149 "cmCommandArgumentLexer.in.l"
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@ -56,6 +56,7 @@ Modify cmCommandArgumentLexer.h:
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%option reentrant
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%option noyywrap
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%option nounput
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%pointer
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%s ESCAPES
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%s NOESCAPES
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