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Fix parsing of string literals.

This commit is contained in:
Troy Rollo 2004-07-29 02:36:06 +00:00 committed by Alexandre Julliard
parent 333d2dfe96
commit 7ade261c35
1 changed files with 40 additions and 12 deletions
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52
dlls/msi/cond.y
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@ -56,6 +56,7 @@ struct cond_str {
};
static LPWSTR COND_GetString( struct cond_str *str );
static LPWSTR COND_GetLiteral( struct cond_str *str );
static int COND_lex( void *COND_lval, COND_input *info);
typedef INT (*comp_int)(INT a, INT b);
@ -115,9 +116,9 @@ static INT comp_ge_m2(INT a, LPWSTR b);
%token COND_SPACE COND_EOF COND_SPACE
%token COND_OR COND_AND COND_NOT
%token COND_LT COND_GT COND_EQ
%token COND_LPAR COND_RPAR COND_DBLQ COND_TILDA
%token COND_LPAR COND_RPAR COND_TILDA
%token COND_PERCENT COND_DOLLARS COND_QUESTION COND_AMPER COND_EXCLAM
%token <str> COND_IDENT <str> COND_NUMBER
%token <str> COND_IDENT <str> COND_NUMBER <str> COND_LITER
%nonassoc COND_EOF COND_ERROR
@ -395,15 +396,12 @@ value_s:
;
literal:
COND_DBLQ identifier COND_DBLQ
{
$$ = $2;
}
| COND_DBLQ integer COND_DBLQ
{
static const WCHAR pi[] = {'%','i',0};
sprintfW($$,pi,$2);
}
COND_LITER
{
$$ = COND_GetLiteral(&$1);
if( !$$ )
YYABORT;
}
;
symbol_i:
@ -617,10 +615,26 @@ static int COND_GetOne( struct cond_str *str, COND_input *cond )
case '%': rc = COND_PERCENT; break;
case ' ': rc = COND_SPACE; break;
case '=': rc = COND_EQ; break;
case '"': rc = COND_DBLQ; break;
case '~': rc = COND_TILDA; break;
case '<': rc = COND_LT; break;
case '>': rc = COND_GT; break;
case '"':
{
const WCHAR *ch2 = str->data + 1;
while ( *ch2 && *ch2 != '"' )
++ch2;
if (*ch2 == '"')
{
len = ch2 - str->data + 1;
rc = COND_LITER;
break;
}
}
ERR("Unterminated string\n");
rc = COND_ERROR;
break;
default:
if( COND_IsAlpha( ch ) )
{
@ -686,6 +700,20 @@ static LPWSTR COND_GetString( struct cond_str *str )
return ret;
}
static LPWSTR COND_GetLiteral( struct cond_str *str )
{
LPWSTR ret;
ret = HeapAlloc( GetProcessHeap(), 0, (str->len-1) * sizeof (WCHAR) );
if( ret )
{
memcpy( ret, str->data+1, (str->len-2) * sizeof(WCHAR) );
ret[str->len - 2]=0;
}
TRACE("Got literal %s\n",debugstr_w(ret));
return ret;
}
static int COND_error(char *str)
{
return 0;