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Unified Diff: src/string.js

Issue 144193005: ES6: Implement Object.setPrototypeOf (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 11 months ago
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Index: src/string.js
diff --git a/src/string.js b/src/string.js
index dd5115d5bf311cb2bc827b33c240b381f480b004..8e4b896eae5492bab3c1efb5a7222a4c6b9be654 100644
--- a/src/string.js
+++ b/src/string.js
@@ -61,10 +61,8 @@ function StringValueOf() {
// ECMA-262, section 15.5.4.4
function StringCharAt(pos) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.charAt"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.charAt");
+
var result = %_StringCharAt(this, pos);
if (%_IsSmi(result)) {
result = %_StringCharAt(TO_STRING_INLINE(this), TO_INTEGER(pos));
@@ -75,10 +73,8 @@ function StringCharAt(pos) {
// ECMA-262 section 15.5.4.5
function StringCharCodeAt(pos) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.charCodeAt"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.charCodeAt");
+
var result = %_StringCharCodeAt(this, pos);
if (!%_IsSmi(result)) {
result = %_StringCharCodeAt(TO_STRING_INLINE(this), TO_INTEGER(pos));
@@ -89,10 +85,8 @@ function StringCharCodeAt(pos) {
// ECMA-262, section 15.5.4.6
function StringConcat() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.concat"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.concat");
+
var len = %_ArgumentsLength();
var this_as_string = TO_STRING_INLINE(this);
if (len === 1) {
@@ -113,10 +107,8 @@ function StringConcat() {
// ECMA-262 section 15.5.4.7
function StringIndexOf(pattern /* position */) { // length == 1
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.indexOf"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.indexOf");
+
var subject = TO_STRING_INLINE(this);
pattern = TO_STRING_INLINE(pattern);
var index = 0;
@@ -132,10 +124,8 @@ function StringIndexOf(pattern /* position */) { // length == 1
// ECMA-262 section 15.5.4.8
function StringLastIndexOf(pat /* position */) { // length == 1
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.lastIndexOf"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.lastIndexOf");
+
var sub = TO_STRING_INLINE(this);
var subLength = sub.length;
var pat = TO_STRING_INLINE(pat);
@@ -165,10 +155,8 @@ function StringLastIndexOf(pat /* position */) { // length == 1
// This function is implementation specific. For now, we do not
// do anything locale specific.
function StringLocaleCompare(other) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.localeCompare"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.localeCompare");
+
return %StringLocaleCompare(TO_STRING_INLINE(this),
TO_STRING_INLINE(other));
}
@@ -176,10 +164,8 @@ function StringLocaleCompare(other) {
// ECMA-262 section 15.5.4.10
function StringMatch(regexp) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.match"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.match");
+
var subject = TO_STRING_INLINE(this);
if (IS_REGEXP(regexp)) {
// Emulate RegExp.prototype.exec's side effect in step 5, even though
@@ -210,10 +196,8 @@ var reusableMatchInfo = [2, "", "", -1, -1];
// ECMA-262, section 15.5.4.11
function StringReplace(search, replace) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.replace"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.replace");
+
var subject = TO_STRING_INLINE(this);
// Decision tree for dispatch
@@ -543,10 +527,8 @@ function StringReplaceNonGlobalRegExpWithFunction(subject, regexp, replace) {
// ECMA-262 section 15.5.4.12
function StringSearch(re) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.search"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.search");
+
var regexp;
if (IS_STRING(re)) {
regexp = %_GetFromCache(STRING_TO_REGEXP_CACHE_ID, re);
@@ -565,10 +547,8 @@ function StringSearch(re) {
// ECMA-262 section 15.5.4.13
function StringSlice(start, end) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.slice"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.slice");
+
var s = TO_STRING_INLINE(this);
var s_len = s.length;
var start_i = TO_INTEGER(start);
@@ -609,10 +589,8 @@ function StringSlice(start, end) {
// ECMA-262 section 15.5.4.14
function StringSplit(separator, limit) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.split"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.split");
+
var subject = TO_STRING_INLINE(this);
limit = (IS_UNDEFINED(limit)) ? 0xffffffff : TO_UINT32(limit);
@@ -709,10 +687,8 @@ function StringSplitOnRegExp(subject, separator, limit, length) {
// ECMA-262 section 15.5.4.15
function StringSubstring(start, end) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.subString"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.subString");
+
var s = TO_STRING_INLINE(this);
var s_len = s.length;
@@ -744,10 +720,8 @@ function StringSubstring(start, end) {
// This is not a part of ECMA-262.
function StringSubstr(start, n) {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.substr"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.substr");
+
var s = TO_STRING_INLINE(this);
var len;
@@ -786,65 +760,51 @@ function StringSubstr(start, n) {
// ECMA-262, 15.5.4.16
function StringToLowerCase() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.toLowerCase"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLowerCase");
+
return %StringToLowerCase(TO_STRING_INLINE(this));
}
// ECMA-262, 15.5.4.17
function StringToLocaleLowerCase() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.toLocaleLowerCase"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLocaleLowerCase");
+
return %StringToLowerCase(TO_STRING_INLINE(this));
}
// ECMA-262, 15.5.4.18
function StringToUpperCase() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.toUpperCase"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.toUpperCase");
+
return %StringToUpperCase(TO_STRING_INLINE(this));
}
// ECMA-262, 15.5.4.19
function StringToLocaleUpperCase() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.toLocaleUpperCase"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.toLocaleUpperCase");
+
return %StringToUpperCase(TO_STRING_INLINE(this));
}
// ES5, 15.5.4.20
function StringTrim() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.trim"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.trim");
+
return %StringTrim(TO_STRING_INLINE(this), true, true);
}
function StringTrimLeft() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.trimLeft"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.trimLeft");
+
return %StringTrim(TO_STRING_INLINE(this), true, false);
}
function StringTrimRight() {
- if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
- throw MakeTypeError("called_on_null_or_undefined",
- ["String.prototype.trimRight"]);
- }
+ CHECK_OBJECT_COERCIBLE(this, "String.prototype.trimRight");
+
return %StringTrim(TO_STRING_INLINE(this), false, true);
}
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