[strong] Implement strong mode semantics for the count operation.

src/runtime.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This files contains runtime support implemented in JavaScript.
 
 // CAUTION: Some of the functions specified in this file are called
 // directly from compiled code. These are the functions with names in
 // ALL CAPS. The compiled code passes the first argument in 'this'.
 
@@ skipping 193 matching lines @@
     if (NUMBER_IS_NAN(left_number) || NUMBER_IS_NAN(right_number)) return ncr;
     return %NumberCompare(left_number, right_number, ncr);
   }
 }
 
 // Strong mode COMPARE throws if an implicit conversion would be performed
 COMPARE_STRONG = function COMPARE_STRONG(x, ncr) {
   if (IS_STRING(this) && IS_STRING(x)) return %_StringCompare(this, x);
   if (IS_NUMBER(this) && IS_NUMBER(x)) return %NumberCompare(this, x, ncr);
 
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 
 /* -----------------------------------
    - - -   A r i t h m e t i c   - - -
    -----------------------------------
 */
 
 // ECMA-262, section 11.6.1, page 50.
@@ skipping 14 matching lines @@
     return %NumberAdd(%$toNumber(a), %$toNumber(b));
   }
 }
 
 
 // Strong mode ADD throws if an implicit conversion would be performed
 ADD_STRONG = function ADD_STRONG(x) {
   if (IS_NUMBER(this) && IS_NUMBER(x)) return %NumberAdd(this, x);
   if (IS_STRING(this) && IS_STRING(x)) return %_StringAdd(this, x);
 
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // Left operand (this) is already a string.
 STRING_ADD_LEFT = function STRING_ADD_LEFT(y) {
   if (!IS_STRING(y)) {
     if (IS_STRING_WRAPPER(y) && %_IsStringWrapperSafeForDefaultValueOf(y)) {
       y = %_ValueOf(y);
     } else {
       y = IS_NUMBER(y)
           ? %_NumberToString(y)
           : %$toString(%$toPrimitive(y, NO_HINT));
     }
   }
   return %_StringAdd(this, y);
 }
 
 
 // Left operand (this) is already a string.
 STRING_ADD_LEFT_STRONG = function STRING_ADD_LEFT_STRONG(y) {
   if (IS_STRING(y)) {
     return %_StringAdd(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // Right operand (y) is already a string.
 STRING_ADD_RIGHT = function STRING_ADD_RIGHT(y) {
   var x = this;
   if (!IS_STRING(x)) {
     if (IS_STRING_WRAPPER(x) && %_IsStringWrapperSafeForDefaultValueOf(x)) {
       x = %_ValueOf(x);
     } else {
       x = IS_NUMBER(x)
           ? %_NumberToString(x)
           : %$toString(%$toPrimitive(x, NO_HINT));
     }
   }
   return %_StringAdd(x, y);
 }
 
 
 // Right operand (y) is already a string.
 STRING_ADD_RIGHT_STRONG = function STRING_ADD_RIGHT_STRONG(y) {
   if (IS_STRING(this)) {
     return %_StringAdd(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.6.2, page 50.
 SUB = function SUB(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberSub(x, y);
 }
 
 
 // Strong mode SUB throws if an implicit conversion would be performed
 SUB_STRONG = function SUB_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberSub(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.5.1, page 48.
 MUL = function MUL(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberMul(x, y);
 }
 
 
 // Strong mode MUL throws if an implicit conversion would be performed
 MUL_STRONG = function MUL_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberMul(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.5.2, page 49.
 DIV = function DIV(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberDiv(x, y);
 }
 
 
 // Strong mode DIV throws if an implicit conversion would be performed
 DIV_STRONG = function DIV_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberDiv(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.5.3, page 49.
 MOD = function MOD(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberMod(x, y);
 }
 
 
 // Strong mode MOD throws if an implicit conversion would be performed
 MOD_STRONG = function MOD_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberMod(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 /* -------------------------------------------
    - - -   B i t   o p e r a t i o n s   - - -
    -------------------------------------------
 */
 
 // ECMA-262, section 11.10, page 57.
 BIT_OR = function BIT_OR(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberOr(x, y);
 }
 
 
 // Strong mode BIT_OR throws if an implicit conversion would be performed
 BIT_OR_STRONG = function BIT_OR_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberOr(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.10, page 57.
 BIT_AND = function BIT_AND(y) {
   var x;
   if (IS_NUMBER(this)) {
     x = this;
     if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   } else {
@@ skipping 10 matching lines @@
   }
   return %NumberAnd(x, y);
 }
 
 
 // Strong mode BIT_AND throws if an implicit conversion would be performed
 BIT_AND_STRONG = function BIT_AND_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberAnd(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.10, page 57.
 BIT_XOR = function BIT_XOR(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberXor(x, y);
 }
 
 
 // Strong mode BIT_XOR throws if an implicit conversion would be performed
 BIT_XOR_STRONG = function BIT_XOR_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberXor(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.7.1, page 51.
 SHL = function SHL(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberShl(x, y);
 }
 
 
 // Strong mode SHL throws if an implicit conversion would be performed
 SHL_STRONG = function SHL_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberShl(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.7.2, page 51.
 SAR = function SAR(y) {
   var x;
   if (IS_NUMBER(this)) {
     x = this;
     if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   } else {
@@ skipping 10 matching lines @@
   }
   return %NumberSar(x, y);
 }
 
 
 // Strong mode SAR throws if an implicit conversion would be performed
 SAR_STRONG = function SAR_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberSar(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 // ECMA-262, section 11.7.3, page 52.
 SHR = function SHR(y) {
   var x = IS_NUMBER(this) ? this : %$nonNumberToNumber(this);
   if (!IS_NUMBER(y)) y = %$nonNumberToNumber(y);
   return %NumberShr(x, y);
 }
 
 
 // Strong mode SHR throws if an implicit conversion would be performed
 SHR_STRONG = function SHR_STRONG(y) {
   if (IS_NUMBER(this) && IS_NUMBER(y)) {
     return %NumberShr(this, y);
   }
-  throw %MakeTypeError(kStrongImplicitCast);
+  throw %MakeTypeError(kStrongImplicitConversion);
 }
 
 
 /* -----------------------------
    - - -   H e l p e r s   - - -
    -----------------------------
 */
 
 // ECMA-262, section 11.4.1, page 46.
 DELETE = function DELETE(key, language_mode) {
@@ skipping 529 matching lines @@
 $toLength = ToLength;
 $toName = ToName;
 $toNumber = ToNumber;
 $toObject = ToObject;
 $toPositiveInteger = ToPositiveInteger;
 $toPrimitive = ToPrimitive;
 $toString = ToString;
 $toUint32 = ToUint32;
 
 })