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Escape variable name

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smallmodel 2025-02-14 23:54:15 +01:00
parent 03eaa62902
commit bbac9c559c
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1 changed files with 79 additions and 80 deletions
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159
code/parser/lex_source.txt
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@ -29,120 +29,119 @@
#include <stdio.h>
void fprintf2( FILE *f, const char *format, ... )
void fprintf2(FILE * f, const char *format, ...)
{
va_list va;
static char buffer[ 4200 ];
va_list va;
static char buffer[4200];
va_start( va, format );
vsprintf( buffer, format, va );
va_end( va );
va_start(va, format);
vsprintf(buffer, format, va);
va_end(va);
gi.Printf( buffer );
gi.Printf(buffer);
}
#define fprintf fprintf2
const char* start_ptr;
const char* in_ptr;
extern int prev_yylex;
extern int out_pos;
extern int success_pos;
const char *start_ptr;
const char *in_ptr;
extern int prev_yylex;
extern int out_pos;
extern int success_pos;
parseStage_e parseStage;
extern yyparsedata parsedata;
void yyllocset(YYLTYPE *loc, uint32_t off)
void yyllocset(YYLTYPE * loc, uint32_t off)
{
success_pos = out_pos - yyleng + off;
loc->sourcePos = success_pos;
parsedata.pos = success_pos;
success_pos = out_pos - yyleng + off;
loc->sourcePos = success_pos;
parsedata.pos = success_pos;
}
void yyreducepos(uint32_t off)
{
out_pos -= off;
out_pos -= off;
}
#define YYLEX(n) { yyllocset(&yylloc, 0); prev_yylex = n; return n; }
#define YYLEXOFF(n, off) { yyllocset(&yylloc, off); prev_yylex = n; return n; }
#define YYLEX(n) \
{ \
yyllocset(&yylloc, 0); \
prev_yylex = n; \
return n; \
}
#define YYLEXOFF(n, off) \
{ \
yyllocset(&yylloc, off); \
prev_yylex = n; \
return n; \
}
#define YY_USER_ACTION \
{ \
out_pos += yyleng - yy_more_len; \
yylloc.sourcePos = out_pos; \
parsedata.pos = out_pos; \
}
#define YY_USER_ACTION \
{ \
out_pos += yyleng - yy_more_len; \
yylloc.sourcePos = out_pos; \
parsedata.pos = out_pos; \
}
#define YY_FATAL_ERROR( n ) yylexerror( n )
#define YY_FATAL_ERROR(n) yylexerror(n)
void yylexerror( const char *msg )
void yylexerror(const char *msg)
{
gi.DPrintf( "%s\n%s", msg, yytext );
assert( 0 );
gi.DPrintf("%s\n%s", msg, yytext);
assert(0);
}
static void TextEscapeValue( char *str, size_t len )
static void TextEscapeValue(char *str, size_t len)
{
char *to = parsetree_malloc( len + 1 );
char *to = parsetree_malloc(len + 1);
yylval.s.val.stringValue = to;
yylval.s.val.stringValue = to;
while( len )
{
if( *str == '\\' )
{
if( len == 1 )
break;
while (len) {
if (*str == '\\') {
if (len == 1) {
break;
}
if( str[1] == 'n' )
{
*to = '\n';
to++;
}
else if( str[1] == 't' )
{
*to = '\t';
to++;
}
else if( str[1] == '"' )
{
*to = '\"';
to++;
}
else
{
*to = str[1];
to++;
}
if (str[1] == 'n') {
*to = '\n';
to++;
} else if (str[1] == 't') {
*to = '\t';
to++;
} else if (str[1] == '"') {
*to = '\"';
to++;
} else {
*to = str[1];
to++;
}
len -= 2;
str += 2;
}
else
{
*to = *str;
to++;
len--;
str++;
}
}
len -= 2;
str += 2;
} else {
*to = *str;
to++;
len--;
str++;
}
}
*to = 0;
*to = 0;
}
static void TextValue( char *str, size_t len )
static void TextValue(char *str, size_t len)
{
char* s = parsetree_malloc(len + 1);
strncpy(s, str, len);
s[len] = 0;
yylval.s.val.stringValue = s;
char *s = parsetree_malloc(len + 1);
strncpy(s, str, len);
s[len] = 0;
yylval.s.val.stringValue = s;
}
static bool UseField( void )
static bool UseField(void)
{
return prev_yylex == TOKEN_PERIOD
|| prev_yylex == TOKEN_DOLLAR;
return prev_yylex == TOKEN_PERIOD || prev_yylex == TOKEN_DOLLAR;
}
#define YY_INPUT(buf,result,max_size) \
@ -193,7 +192,7 @@ identifier [^\{\}\(\)\[\]\r\n\,:; \t]
nonexpr [0-9a-zA-Z_\"'?@#`\.\x80-\xff]
nonnumeric [a-zA-Z_\"'?@#`\x80-\xff]
alphanum [a-zA-Z0-9_]+
varname [a-zA-Z0-9_\"\$]+
varname [a-zA-Z0-9_\"$\\]+
%%
@ -210,7 +209,7 @@ varname [a-zA-Z0-9_\"\$]+
<VARIABLES>[ \t]*\./([0-9]*[^0-9[:space:]]) { YYLEX(TOKEN_PERIOD); }
<VARIABLES>\"{string}\" { BEGIN(INITIAL); TextEscapeValue(yytext + 1, strlen( yytext ) - 2 ); YYLEX(TOKEN_STRING); }
<VARIABLES>{varname} {
TextValue(yytext, strlen(yytext));
TextEscapeValue(yytext, strlen(yytext));
YYLEX(TOKEN_IDENTIFIER);
}
<VARIABLES>[ \t\r\n] {