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Make the lexer not depend on locale

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... by not using isalpha() and isspace(). While at it, fix some other
minor things.
This commit is contained in:
Petri Lehtinen 2009-07-09 21:48:04 +03:00
parent 68e948f567
commit 13c7ad3219
1 changed files with 12 additions and 8 deletions
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20
src/load.c
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@ -88,7 +88,7 @@ static void json_scan_string(json_lex *lex)
goto out;
}
if(0 <= *p && *p <= 31) {
if(0 <= *p && *p <= 0x1F) {
/* control character */
goto out;
}
@ -101,8 +101,8 @@ static void json_scan_string(json_lex *lex)
goto out;
}
}
if(*p == '"' || *p == '\\' || *p == '/' || *p == 'b' ||
*p == 'f' || *p == 'n' || *p == 'r' || *p == 't')
else if(*p == '"' || *p == '\\' || *p == '/' || *p == 'b' ||
*p == 'f' || *p == 'n' || *p == 'r' || *p == 't')
p++;
else
goto out;
@ -231,11 +231,14 @@ static int json_lex_scan(json_lex *lex)
lex->value.string = NULL;
}
while(isspace(*lex->input)) {
if(*lex->input == '\n')
c = *lex->input;
while(c == ' ' || c == '\t' || c == '\n' || c == '\r')
{
if(c == '\n')
lex->line++;
lex->input++;
c = *lex->input;
}
lex->start = lex->input;
@ -245,7 +248,8 @@ static int json_lex_scan(json_lex *lex)
lex->token = JSON_TOKEN_EOF;
else if(c == '{' || c == '}' || c == '[' || c == ']' ||
c == ':' || c == ',') {
c == ':' || c == ',')
{
lex->token = c;
lex->input++;
}
@ -256,11 +260,11 @@ static int json_lex_scan(json_lex *lex)
else if(isdigit(c) || c == '-')
json_scan_number(lex);
else if(isalpha(c)) {
else if(isupper(c) || islower(c)) {
/* eat up the whole identifier for clearer error messages */
int len;
while(isalpha(*lex->input))
while(isupper(*lex->input) || islower(*lex->input))
lex->input++;
len = lex->input - lex->start;