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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 2008-12-17 09:33:18 -05:00
parent 3958b3e112
commit ae7f2b47b3
2 changed files with 23 additions and 62 deletions
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84
Source/cmCommandArgumentLexer.cxx
View File

@ -605,8 +605,6 @@ extern int cmCommandArgument_yywrap (yyscan_t yyscanner );
#endif #endif
#endif #endif
static void yyunput (int c,char *buf_ptr ,yyscan_t yyscanner);
#ifndef yytext_ptr #ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
#endif #endif
@ -729,10 +727,10 @@ YY_DECL
register int yy_act; register int yy_act;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
#line 63 "cmCommandArgumentLexer.in.l" #line 64 "cmCommandArgumentLexer.in.l"
#line 734 "cmCommandArgumentLexer.cxx" #line 732 "cmCommandArgumentLexer.cxx"
if ( !yyg->yy_init ) if ( !yyg->yy_init )
{ {
@ -817,15 +815,15 @@ do_action: /* This label is used only to access EOF actions. */
case 1: case 1:
YY_RULE_SETUP YY_RULE_SETUP
#line 65 "cmCommandArgumentLexer.in.l" #line 66 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2); yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
return cal_ENVCURLY; return cal_ENVCURLY;
} }
case 2: case 2:
YY_RULE_SETUP YY_RULE_SETUP
#line 71 "cmCommandArgumentLexer.in.l" #line 72 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2); yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
@ -833,7 +831,7 @@ YY_RULE_SETUP
} }
case 3: case 3:
YY_RULE_SETUP YY_RULE_SETUP
#line 77 "cmCommandArgumentLexer.in.l" #line 78 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2); yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
@ -841,7 +839,7 @@ YY_RULE_SETUP
} }
case 4: case 4:
YY_RULE_SETUP YY_RULE_SETUP
#line 83 "cmCommandArgumentLexer.in.l" #line 84 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
@ -850,7 +848,7 @@ YY_RULE_SETUP
} }
case 5: case 5:
YY_RULE_SETUP YY_RULE_SETUP
#line 90 "cmCommandArgumentLexer.in.l" #line 91 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
@ -859,7 +857,7 @@ YY_RULE_SETUP
} }
case 6: case 6:
YY_RULE_SETUP YY_RULE_SETUP
#line 97 "cmCommandArgumentLexer.in.l" #line 98 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
@ -868,7 +866,7 @@ YY_RULE_SETUP
} }
case 7: case 7:
YY_RULE_SETUP YY_RULE_SETUP
#line 104 "cmCommandArgumentLexer.in.l" #line 105 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
@ -876,7 +874,7 @@ YY_RULE_SETUP
} }
case 8: case 8:
YY_RULE_SETUP YY_RULE_SETUP
#line 110 "cmCommandArgumentLexer.in.l" #line 111 "cmCommandArgumentLexer.in.l"
{ {
if ( !yyextra->HandleEscapeSymbol(yylvalp, *(yytext+1)) ) if ( !yyextra->HandleEscapeSymbol(yylvalp, *(yytext+1)) )
{ {
@ -887,7 +885,7 @@ YY_RULE_SETUP
case 9: case 9:
/* rule 9 can match eol */ /* rule 9 can match eol */
YY_RULE_SETUP YY_RULE_SETUP
#line 118 "cmCommandArgumentLexer.in.l" #line 119 "cmCommandArgumentLexer.in.l"
{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
@ -895,7 +893,7 @@ YY_RULE_SETUP
} }
case 10: case 10:
YY_RULE_SETUP YY_RULE_SETUP
#line 124 "cmCommandArgumentLexer.in.l" #line 125 "cmCommandArgumentLexer.in.l"
{ {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = yyextra->DOLLARVariable; yylvalp->str = yyextra->DOLLARVariable;
@ -903,7 +901,7 @@ YY_RULE_SETUP
} }
case 11: case 11:
YY_RULE_SETUP YY_RULE_SETUP
#line 130 "cmCommandArgumentLexer.in.l" #line 131 "cmCommandArgumentLexer.in.l"
{ {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = yyextra->LCURLYVariable; yylvalp->str = yyextra->LCURLYVariable;
@ -911,7 +909,7 @@ YY_RULE_SETUP
} }
case 12: case 12:
YY_RULE_SETUP YY_RULE_SETUP
#line 136 "cmCommandArgumentLexer.in.l" #line 137 "cmCommandArgumentLexer.in.l"
{ {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = yyextra->BSLASHVariable; yylvalp->str = yyextra->BSLASHVariable;
@ -919,7 +917,7 @@ YY_RULE_SETUP
} }
case 13: case 13:
YY_RULE_SETUP YY_RULE_SETUP
#line 142 "cmCommandArgumentLexer.in.l" #line 143 "cmCommandArgumentLexer.in.l"
{ {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = yyextra->BSLASHVariable; yylvalp->str = yyextra->BSLASHVariable;
@ -927,10 +925,10 @@ YY_RULE_SETUP
} }
case 14: case 14:
YY_RULE_SETUP YY_RULE_SETUP
#line 148 "cmCommandArgumentLexer.in.l" #line 149 "cmCommandArgumentLexer.in.l"
ECHO; ECHO;
YY_BREAK YY_BREAK
#line 945 "cmCommandArgumentLexer.cxx" #line 943 "cmCommandArgumentLexer.cxx"
case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(ESCAPES): case YY_STATE_EOF(ESCAPES):
case YY_STATE_EOF(NOESCAPES): case YY_STATE_EOF(NOESCAPES):
@ -1264,44 +1262,6 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
return yy_is_jam ? 0 : yy_current_state; return yy_is_jam ? 0 : yy_current_state;
} }
static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner)
{
register char *yy_cp;
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
yy_cp = yyg->yy_c_buf_p;
/* undo effects of setting up yytext */
*yy_cp = yyg->yy_hold_char;
if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
register int number_to_move = yyg->yy_n_chars + 2;
register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
register char *source =
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
*--dest = *--source;
yy_cp += (int) (dest - source);
yy_bp += (int) (dest - source);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
YY_FATAL_ERROR( "flex scanner push-back overflow" );
}
*--yy_cp = (char) c;
yyg->yytext_ptr = yy_bp;
yyg->yy_hold_char = *yy_cp;
yyg->yy_c_buf_p = yy_cp;
}
#ifndef YY_NO_INPUT #ifndef YY_NO_INPUT
#ifdef __cplusplus #ifdef __cplusplus
static int yyinput (yyscan_t yyscanner) static int yyinput (yyscan_t yyscanner)
@ -2087,7 +2047,7 @@ void cmCommandArgument_yyfree (void * ptr , yyscan_t)
#define YYTABLES_NAME "yytables" #define YYTABLES_NAME "yytables"
#line 148 "cmCommandArgumentLexer.in.l" #line 149 "cmCommandArgumentLexer.in.l"

1
Source/cmCommandArgumentLexer.in.l
View File

@ -56,6 +56,7 @@ Modify cmCommandArgumentLexer.h:
%option reentrant %option reentrant
%option noyywrap %option noyywrap
%option nounput
%pointer %pointer
%s ESCAPES %s ESCAPES
%s NOESCAPES %s NOESCAPES