Merge the partial_snapshots branch back into bleeding_edge. For...

src/messages.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 // -------------------------------------------------------------------
+//
+// Matches Script::Type from objects.h
+var TYPE_NATIVE = 0;
+var TYPE_EXTENSION = 1;
+var TYPE_NORMAL = 2;
+
+// Matches Script::CompilationType from objects.h
+var COMPILATION_TYPE_HOST = 0;
+var COMPILATION_TYPE_EVAL = 1;
+var COMPILATION_TYPE_JSON = 2;
 
 // Lazily initialized.
 var kVowelSounds = 0;
 var kCapitalVowelSounds = 0;
 
 // If this object gets passed to an error constructor the error will
 // get an accessor for .message that constructs a descriptive error
 // message on access.
 var kAddMessageAccessorsMarker = { };
 
@@ skipping 587 matching lines @@
 };
 
 CallSite.prototype.isToplevel = function () {
   if (this.receiver == null)
     return true;
   return IS_GLOBAL(this.receiver);
 };
 
 CallSite.prototype.isEval = function () {
   var script = %FunctionGetScript(this.fun);
-  return script && script.compilation_type == 1;
+  return script && script.compilation_type == COMPILATION_TYPE_EVAL;
 };
 
 CallSite.prototype.getEvalOrigin = function () {
   var script = %FunctionGetScript(this.fun);
   return FormatEvalOrigin(script);
 };
 
 CallSite.prototype.getFunction = function () {
   return this.fun;
 };
 
 CallSite.prototype.getFunctionName = function () {
   // See if the function knows its own name
   var name = this.fun.name;
   if (name) {
     return name;
   } else {
     return %FunctionGetInferredName(this.fun);
   }
   // Maybe this is an evaluation?
   var script = %FunctionGetScript(this.fun);
-  if (script && script.compilation_type == 1)
+  if (script && script.compilation_type == COMPILATION_TYPE_EVAL)
     return "eval";
   return null;
 };
 
 CallSite.prototype.getMethodName = function () {
   // See if we can find a unique property on the receiver that holds
   // this function.
   var ownName = this.fun.name;
   if (ownName && this.receiver && this.receiver[ownName] === this.fun)
     // To handle DontEnum properties we guess that the method has
@@ skipping 35 matching lines @@
   var script = %FunctionGetScript(this.fun);
   var location = null;
   if (script) {
     location = script.locationFromPosition(this.pos, true);
   }
   return location ? location.column + 1: null;
 };
 
 CallSite.prototype.isNative = function () {
   var script = %FunctionGetScript(this.fun);
-  return script ? (script.type == 0) : false;
+  return script ? (script.type == TYPE_NATIVE) : false;
 };
 
 CallSite.prototype.getPosition = function () {
   return this.pos;
 };
 
 CallSite.prototype.isConstructor = function () {
   var constructor = this.receiver ? this.receiver.constructor : null;
   if (!constructor)
     return false;
   return this.fun === constructor;
 };
 
 function FormatEvalOrigin(script) {
   var eval_origin = "";
   if (script.eval_from_function_name) {
     eval_origin += script.eval_from_function_name;
   } else {
     eval_origin +=  "<anonymous>";
   }
   
   var eval_from_script = script.eval_from_script;
   if (eval_from_script) {
-    if (eval_from_script.compilation_type == 1) {
+    if (eval_from_script.compilation_type == COMPILATION_TYPE_EVAL) {
       // eval script originated from another eval.
       eval_origin += " (eval at " + FormatEvalOrigin(eval_from_script) + ")";
     } else {
       // eval script originated from "real" scource.
       if (eval_from_script.name) {
         eval_origin += " (" + eval_from_script.name;
         var location = eval_from_script.locationFromPosition(script.eval_from_script_position, true);
         if (location) {
           eval_origin += ":" + (location.line + 1);
           eval_origin += ":" + (location.column + 1);
@@ skipping 181 matching lines @@
     return this.name + ": " + FormatMessage({ type: type, args: this.arguments });
   }
   var message = this.message;
   return this.name + (message ? (": " + message) : "");
 }, DONT_ENUM);
 
 
 // Boilerplate for exceptions for stack overflows. Used from
 // Top::StackOverflow().
 const kStackOverflowBoilerplate = MakeRangeError('stack_overflow', []);