//BEGIN(INITIAL); keep context
}
-string_t string_unescape(const char*in, int l)
+static int do_unescape(const char*s, const char*end, char*n)
{
- int len=0;
- const char*s = in;
- const char*end = &in[l];
- char*n = (char*)malloc(l);
char*o = n;
+ int len=0;
while(s<end) {
if(*s!='\\') {
- o[len++] = *s;
+ if(o) o[len] = *s;len++;
s++;
continue;
}
continue;
}
switch(*s) {
- case '\\': o[len++] = '\\';s++; break;
- case '"': o[len++] = '"';s++; break;
- case 'b': o[len++] = '\b';s++; break;
- case 'f': o[len++] = '\f';s++; break;
- case 'n': o[len++] = '\n';s++; break;
- case 'r': o[len++] = '\r';s++; break;
- case 't': o[len++] = '\t';s++; break;
+ case '\\': if(o) o[len] = '\\';s++;len++; break;
+ case '"': if(o) o[len] = '"';s++;len++; break;
+ case 'b': if(o) o[len] = '\b';s++;len++; break;
+ case 'f': if(o) o[len] = '\f';s++;len++; break;
+ case 'n': if(o) o[len] = '\n';s++;len++; break;
+ case 'r': if(o) o[len] = '\r';s++;len++; break;
+ case 't': if(o) o[len] = '\t';s++;len++; break;
case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': {
unsigned int num=0;
int nr = 0;
}
if(num>256)
syntaxerror("octal number out of range (0-255): %d", num);
- o[len++] = num;
+ if(o) o[len] = num;len++;
continue;
}
case 'x': case 'u': {
if(unicode) {
char*utf8 = getUTF8(num);
while(*utf8) {
- o[len++] = *utf8++;
+ if(o) o[len] = *utf8;utf8++;len++;
}
} else {
if(num>256)
syntaxerror("byte out of range (0-255): %d", num);
- o[len++] = num;
+ if(o) o[len] = num;len++;
}
break;
}
syntaxerror("unknown escape sequence: \"\\%c\"", *s);
}
}
+ if(o) o[len]=0;
+ return len;
+}
+
+static string_t string_unescape(const char*in, int l)
+{
+ const char*s = in;
+ const char*end = &in[l];
+
+ int len = do_unescape(s, end, 0);
+ char*n = (char*)malloc(len+1);
+ do_unescape(s, end, n);
string_t out = string_new(n, len);
- o[len]=0;
return out;
}
false {c();return m(KW_FALSE);}
break {c();return m(KW_BREAK);}
super {c();return m(KW_SUPER);}
+each {c();return m(KW_EACH);}
void {c();return m(KW_VOID);}
true {c();return m(KW_TRUE);}
null {c();return m(KW_NULL);}
var {c();return m(KW_VAR);}
try {c();return m(KW_TRY);}
is {c();return m(KW_IS) ;}
+in {c();return m(KW_IN) ;}
if {c();return m(KW_IF) ;}
as {c();return m(KW_AS);}
{NAME} {c();BEGIN(INITIAL);return mkid(T_IDENTIFIER);}