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Add CheckObjectCoercible in String prototype functions.

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This commit is contained in:
Tor Andersson
2016-04-28 13:15:24 +02:00
parent e4c77a78fb
commit 361b6ca997
1 changed files with 24 additions and 17 deletions
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41
jsstring.c
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@@ -4,6 +4,13 @@
#include "utf.h"
#include "regexp.h"
static const char *checkstring(js_State *J, int idx)
{
if (!js_iscoercible(J, idx))
js_typeerror(J, "string function called on null or undefined");
return js_tostring(J, idx);
}
int js_runeat(js_State *J, const char *s, int i)
{
Rune rune = 0;
@@ -75,7 +82,7 @@ static void Sp_valueOf(js_State *J)
static void Sp_charAt(js_State *J)
{
char buf[UTFmax + 1];
const char *s = js_tostring(J, 0);
const char *s = checkstring(J, 0);
int pos = js_tointeger(J, 1);
Rune rune = js_runeat(J, s, pos);
if (rune > 0) {
@@ -88,7 +95,7 @@ static void Sp_charAt(js_State *J)
static void Sp_charCodeAt(js_State *J)
{
const char *s = js_tostring(J, 0);
const char *s = checkstring(J, 0);
int pos = js_tointeger(J, 1);
Rune rune = js_runeat(J, s, pos);
if (rune > 0)
@@ -107,7 +114,7 @@ static void Sp_concat(js_State *J)
if (top == 1)
return;
s = js_tostring(J, 0);
s = checkstring(J, 0);
n = strlen(s);
out = js_malloc(J, n + 1);
strcpy(out, s);
@@ -131,7 +138,7 @@ static void Sp_concat(js_State *J)
static void Sp_indexOf(js_State *J)
{
const char *haystack = js_tostring(J, 0);
const char *haystack = checkstring(J, 0);
const char *needle = js_tostring(J, 1);
int pos = js_tointeger(J, 2);
int len = strlen(needle);
@@ -150,7 +157,7 @@ static void Sp_indexOf(js_State *J)
static void Sp_lastIndexOf(js_State *J)
{
const char *haystack = js_tostring(J, 0);
const char *haystack = checkstring(J, 0);
const char *needle = js_tostring(J, 1);
int pos = js_isdefined(J, 2) ? js_tointeger(J, 2) : strlen(haystack);
int len = strlen(needle);
@@ -167,14 +174,14 @@ static void Sp_lastIndexOf(js_State *J)
static void Sp_localeCompare(js_State *J)
{
const char *a = js_tostring(J, 0);
const char *a = checkstring(J, 0);
const char *b = js_tostring(J, 1);
js_pushnumber(J, strcmp(a, b));
}
static void Sp_slice(js_State *J)
{
const char *str = js_tostring(J, 0);
const char *str = checkstring(J, 0);
const char *ss, *ee;
int len = utflen(str);
int s = js_tointeger(J, 1);
@@ -199,7 +206,7 @@ static void Sp_slice(js_State *J)
static void Sp_substring(js_State *J)
{
const char *str = js_tostring(J, 0);
const char *str = checkstring(J, 0);
const char *ss, *ee;
int len = utflen(str);
int s = js_tointeger(J, 1);
@@ -221,7 +228,7 @@ static void Sp_substring(js_State *J)
static void Sp_toLowerCase(js_State *J)
{
const char *src = js_tostring(J, 0);
const char *src = checkstring(J, 0);
char *dst = js_malloc(J, UTFmax * strlen(src) + 1);
const char *s = src;
char *d = dst;
@@ -243,7 +250,7 @@ static void Sp_toLowerCase(js_State *J)
static void Sp_toUpperCase(js_State *J)
{
const char *src = js_tostring(J, 0);
const char *src = checkstring(J, 0);
char *dst = js_malloc(J, UTFmax * strlen(src) + 1);
const char *s = src;
char *d = dst;
@@ -272,7 +279,7 @@ static int istrim(int c)
static void Sp_trim(js_State *J)
{
const char *s, *e;
s = js_tostring(J, 0);
s = checkstring(J, 0);
while (istrim(*s))
++s;
e = s + strlen(s);
@@ -313,7 +320,7 @@ static void Sp_match(js_State *J)
const char *a, *b, *c, *e;
Resub m;
text = js_tostring(J, 0);
text = checkstring(J, 0);
if (js_isregexp(J, 1))
js_copy(J, 1);
@@ -357,7 +364,7 @@ static void Sp_search(js_State *J)
const char *text;
Resub m;
text = js_tostring(J, 0);
text = checkstring(J, 0);
if (js_isregexp(J, 1))
js_copy(J, 1);
@@ -382,7 +389,7 @@ static void Sp_replace_regexp(js_State *J)
int n, x;
Resub m;
source = js_tostring(J, 0);
source = checkstring(J, 0);
re = js_toregexp(J, 1);
if (js_regexec(re->prog, source, &m, 0)) {
@@ -480,7 +487,7 @@ static void Sp_replace_string(js_State *J)
js_Buffer *sb = NULL;
int n;
source = js_tostring(J, 0);
source = checkstring(J, 0);
needle = js_tostring(J, 1);
s = strstr(source, needle);
@@ -549,7 +556,7 @@ static void Sp_split_regexp(js_State *J)
const char *p, *a, *b, *c, *e;
Resub m;
text = js_tostring(J, 0);
text = checkstring(J, 0);
re = js_toregexp(J, 1);
limit = js_isdefined(J, 2) ? js_tointeger(J, 2) : 1 << 30;
@@ -602,7 +609,7 @@ static void Sp_split_regexp(js_State *J)
static void Sp_split_string(js_State *J)
{
const char *str = js_tostring(J, 0);
const char *str = checkstring(J, 0);
const char *sep = js_tostring(J, 1);
int limit = js_isdefined(J, 2) ? js_tointeger(J, 2) : 1 << 30;
int i, n;