Added check for trailing whitespaces and corrected existing violations.

Review URL: http://codereview.chromium.org/7826007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9094 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

benchmarks/crypto.js

@@ -1406,7 +1406,7 @@ function rng_seed_int(x) {
 
 // Mix in the current time (w/milliseconds) into the pool
 function rng_seed_time() {
-  // Use pre-computed date to avoid making the benchmark 
+  // Use pre-computed date to avoid making the benchmark
   // results dependent on the current date.
   rng_seed_int(1122926989487);
 }

benchmarks/earley-boyer.js

@@ -134,7 +134,7 @@ function sc_rempropBang(sym, key) {
 /*** META ((export #t)) */
 function sc_any2String(o) {
     return jsstring2string(sc_toDisplayString(o));
-}    
+}
 
 /*** META ((export #t)
            (peephole (infix 2 2 "==="))
@@ -923,7 +923,7 @@ function sc_dualAppendBang(l1, l2) {
     tmp.cdr = l2;
     return l1;
 }
-    
+
 /*** META ((export #t)) */
 function sc_appendBang() {
     var res = null;
@@ -1163,7 +1163,7 @@ sc_Char.readable2char = {
     "us": "\037",
     "sp": "\040",
     "del": "\177"};
-    
+
 sc_Char.prototype.toString = function() {
     return this.val;
 };
@@ -1533,7 +1533,7 @@ function sc_mapBang(proc, l1) {
     }
     return l1_orig;
 }
-     
+
 /*** META ((export #t)) */
 function sc_forEach(proc, l1) {
     if (l1 === undefined)
@@ -1871,7 +1871,7 @@ function sc_jsNew(c) {
 	evalStr += ", arguments[" + i + "]";
     evalStr +=")";
     return eval(evalStr);
-}    
+}
 
 // ======================== RegExp ====================
 /*** META ((export #t)) */
@@ -1883,9 +1883,9 @@ function sc_pregexp(re) {
 function sc_pregexpMatch(re, s) {
     var reg = (re instanceof RegExp) ? re : sc_pregexp(re);
     var tmp = reg.exec(sc_string2jsstring(s));
-    
+
     if (tmp == null) return false;
-    
+
     var res = null;
     for (var i = tmp.length-1; i >= 0; i--) {
 	if (tmp[i] !== null) {
@@ -1896,7 +1896,7 @@ function sc_pregexpMatch(re, s) {
     }
     return res;
 }
-   
+
 /*** META ((export #t)) */
 function sc_pregexpReplace(re, s1, s2) {
    var reg;
@@ -1914,7 +1914,7 @@ function sc_pregexpReplace(re, s1, s2) {
 
    return jss1.replace(reg, jss2);
 }
-   
+
 /*** META ((export pregexp-replace*)) */
 function sc_pregexpReplaceAll(re, s1, s2) {
    var reg;
@@ -1945,7 +1945,7 @@ function sc_pregexpSplit(re, s) {
 
    return sc_vector2list(tmp);
 }
-   
+
 
 /* =========================================================================== */
 /* Other library stuff */
@@ -2136,7 +2136,7 @@ sc_ErrorInputPort.prototype.getNextChar = function() {
 sc_ErrorInputPort.prototype.isCharReady = function() {
     return false;
 };
-    
+
 
 /* .............. String port ..........................*/
 
@@ -2200,7 +2200,7 @@ sc_Tokenizer.prototype.readToken = function() {
 };
 sc_Tokenizer.prototype.nextToken = function() {
     var port = this.port;
-    
+
     function isNumberChar(c) {
 	return (c >= "0" && c <= "9");
     };
@@ -2280,7 +2280,7 @@ sc_Tokenizer.prototype.nextToken = function() {
 	else
 	    return new sc_Token(12/*NUMBER*/, res - 0);
     };
-    
+
     function skipWhitespaceAndComments() {
 	var done = false;
 	while (!done) {
@@ -2299,7 +2299,7 @@ sc_Tokenizer.prototype.nextToken = function() {
 	    }
 	}
     };
-    
+
     function readDot() {
 	if (isWhitespace(port.peekChar()))
 	    return new sc_Token(10/*DOT*/);
@@ -2429,7 +2429,7 @@ sc_Reader.prototype.read = function() {
 
 	while (true) {
 	    var token = tokenizer.peekToken();
-	    
+
 	    switch (token.type) {
 	    case 2/*CLOSE_PAR*/:
 	    case 4/*CLOSE_BRACE*/:
@@ -2491,7 +2491,7 @@ sc_Reader.prototype.read = function() {
 	else
 	    throw "bad reference: " + nb;
     };
-    
+
     var tokenizer = this.tokenizer;
 
     var token = tokenizer.readToken();
@@ -2499,7 +2499,7 @@ sc_Reader.prototype.read = function() {
     // handle error
     if (token.type === 13/*ERROR*/)
 	throw token.val;
-    
+
     switch (token.type) {
     case 1/*OPEN_PAR*/:
     case 3/*OPEN_BRACE*/:
@@ -2550,7 +2550,7 @@ function sc_peekChar(port) {
 	port = SC_DEFAULT_IN; // THREAD: shared var...
     var t = port.peekChar();
     return t === SC_EOF_OBJECT? t: new sc_Char(t);
-}    
+}
 /*** META ((export #t)
            (type bool))
 */
@@ -2722,7 +2722,7 @@ sc_StringOutputPort.prototype.close = function() {
 function sc_getOutputString(sp) {
     return sc_jsstring2string(sp.res);
 }
-    
+
 
 function sc_ErrorOutputPort() {
 }
@@ -2852,7 +2852,7 @@ function sc_newline(p) {
 	p = SC_DEFAULT_OUT;
     p.appendJSString("\n");
 }
-    
+
 /* ------------------ write-char ---------------------------------------------------*/
 
 /*** META ((export #t)) */
@@ -2927,7 +2927,7 @@ sc_Pair.prototype.sc_toWriteCircleString = function(symb, inList) {
     }
 
     var res = "";
-    
+
     if (this[symb] !== undefined) { // implies > 0
 	this[symb + "use"] = true;
 	if (inList)
@@ -2939,10 +2939,10 @@ sc_Pair.prototype.sc_toWriteCircleString = function(symb, inList) {
 
     if (!inList)
 	res += "(";
-    
+
     // print car
     res += sc_genToWriteCircleString(this.car, symb);
-    
+
     if (sc_isPair(this.cdr)) {
 	res += " " + this.cdr.sc_toWriteCircleString(symb, true);
     } else if (this.cdr !== null) {
@@ -3072,7 +3072,7 @@ function sc_format(s, args) {
 	       p.appendJSString(arguments[j].toString(2));
 	       i += 2; j++;
 	       break;
-	       
+
 	    case 37:
 	    case 110:
 	       // %, n
@@ -3186,7 +3186,7 @@ function sc_isEqual(o1, o2) {
 function sc_number2symbol(x, radix) {
     return sc_SYMBOL_PREFIX + sc_number2jsstring(x, radix);
 }
-    
+
 /*** META ((export number->string integer->string)) */
 var sc_number2string = sc_number2jsstring;
 

benchmarks/regexp.js

@@ -33,7 +33,7 @@
 // the popularity of the pages where it occurs and the number of times
 // it is executed while loading each page.  Furthermore the literal
 // letters in the data are encoded using ROT13 in a way that does not
-// affect how the regexps match their input.  Finally the strings are 
+// affect how the regexps match their input.  Finally the strings are
 // scrambled to exercise the regexp engine on different input strings.
 
 
@@ -47,7 +47,7 @@ function RegExpSetup() {
   regExpBenchmark = new RegExpBenchmark();
   RegExpRun(); // run once to get system initialized
 }
-  
+
 function RegExpRun() {
   regExpBenchmark.run();
 }
@@ -1759,6 +1759,6 @@ function RegExpBenchmark() {
       runBlock11();
     }
   }
-  
+
   this.run = run;
 }

build/all.gyp

-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Copyright 2011 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.
 

include/v8.h

@@ -1656,7 +1656,7 @@ class Object : public Value {
   V8EXPORT bool IsCallable();
 
   /**
-   * Call an Object as a function if a callback is set by the 
+   * Call an Object as a function if a callback is set by the
    * ObjectTemplate::SetCallAsFunctionHandler method.
    */
   V8EXPORT Local<Value> CallAsFunction(Handle<Object> recv,
@@ -3562,7 +3562,7 @@ class V8EXPORT Context {
  * // V8 Now no longer locked.
  * \endcode
  *
- * 
+ *
  */
 class V8EXPORT Unlocker {
  public:

src/d8.js

@@ -1786,7 +1786,7 @@ function decodeLolInfoResponse(body) {
 
 
 function decodeLolListResponse(body, title) {
-  
+
   var result;
   var total_count = body.count;
   var total_size = body.size;

src/macros.py

@@ -170,7 +170,7 @@ macro CAPTURE(index) = (3 + (index));
 const CAPTURE0 = 3;
 const CAPTURE1 = 4;
 
-# PropertyDescriptor return value indices - must match 
+# PropertyDescriptor return value indices - must match
 # PropertyDescriptorIndices in runtime.cc.
 const IS_ACCESSOR_INDEX = 0;
 const VALUE_INDEX = 1;

test/es5conform/es5conform.status

@@ -75,11 +75,11 @@ chapter15/15.2/15.2.3/15.2.3.3/15.2.3.3-4-214: UNIMPLEMENTED
 # NOT IMPLEMENTED: RegExp.prototype.multiline
 chapter15/15.2/15.2.3/15.2.3.3/15.2.3.3-4-215: UNIMPLEMENTED
 
-# All of the tests below marked SUBSETFAIL (in 15.2.3.4) fail because 
+# All of the tests below marked SUBSETFAIL (in 15.2.3.4) fail because
 # the tests assumes that objects can not have more properties
-# than those described in the spec - but according to spec they can 
+# than those described in the spec - but according to spec they can
 # have additional properties.
-# All compareArray calls in these tests could be exchanged with a 
+# All compareArray calls in these tests could be exchanged with a
 # isSubsetOfArray call (I will upload a patch to the es5conform site).
 
 # SUBSETFAIL

test/mjsunit/array-constructor.js

@@ -73,7 +73,7 @@ for (var i = 0; i < loop_count; i++) {
   a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8);
   assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8], a);
   a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
-  assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], a);  
+  assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], a);
 }
 
 
@@ -91,9 +91,9 @@ function testConstructOfSizeSize(n) {
   var a = eval('[' + str + ']');
   var b = eval('new Array(' + str + ')')
   var c = eval('Array(' + str + ')')
-  assertEquals(n, a.length);  
-  assertArrayEquals(a, b);  
-  assertArrayEquals(a, c);  
+  assertEquals(n, a.length);
+  assertArrayEquals(a, b);
+  assertArrayEquals(a, c);
 }
 
 

test/mjsunit/array-iteration.js

@@ -134,7 +134,7 @@
   a = [0,1];
   assertFalse(a.every(function(n, index, array) { array[index] = n + 1; return n == 1;}));
   assertArrayEquals([1,1], a);
-  
+
   // Only loop through initial part of array eventhough elements are
   // added.
   a = [1,1];
@@ -156,23 +156,23 @@
 //
 (function() {
   var a = [0,1,2,3,4];
-  
+
   // Simple use.
   var result = [1,2,3,4,5];
   assertArrayEquals(result, a.map(function(n) { return n + 1; }));
   assertEquals(a, a);
-  
+
   // Use specified object as this object when calling the function.
   var o = { delta: 42 }
   result = [42,43,44,45,46];
   assertArrayEquals(result, a.map(function(n) { return this.delta + n; }, o));
-  
+
   // Modify original array.
   a = [0,1,2,3,4];
   result = [1,2,3,4,5];
   assertArrayEquals(result, a.map(function(n, index, array) { array[index] = n + 1; return n + 1;}));
   assertArrayEquals(result, a);
-  
+
   // Only loop through initial part of array eventhough elements are
   // added.
   a = [0,1,2,3,4];
@@ -197,7 +197,7 @@
   // Simple use.
   assertTrue(a.some(function(n) { return n == 3}));
   assertFalse(a.some(function(n) { return n == 5}));
-  
+
   // Use specified object as this object when calling the function.
   var o = { element: 42 };
   a = [1,42,3];

test/mjsunit/array-sort.js

@@ -392,7 +392,7 @@ TestSpecialCasesInheritedElementSort();
 
 // Test that sort calls compare function with global object as receiver,
 // and with only elements of the array as arguments.
-function o(v) { 
+function o(v) {
   return {__proto__: o.prototype, val: v};
 }
 var arr = [o(1), o(2), o(4), o(8), o(16), o(32), o(64), o(128), o(256), o(-0)];

test/mjsunit/bugs/618.js

@@ -32,14 +32,14 @@ function C1() {
 var c1 = new C1();
 assertEquals(23, c1.x);
 assertEquals("undefined", typeof c1.y);
-  
+
 // Add setter somewhere on the prototype chain after having constructed the
 // first instance.
 C1.prototype = { set x(value) { this.y = 23; } };
 var c1 = new C1();
 assertEquals("undefined", typeof c1.x);
 assertEquals(23, c1.y);
-  
+
 // Simple class using inline constructor.
 function C2() {
   this.x = 23;

test/mjsunit/bugs/bug-618.js

@@ -33,11 +33,11 @@ function C() {
   this.x = 23;
 }
 
-// If a setter is added to the prototype chain of a simple constructor setting 
-// one of the properties assigned in the constructor then this setter is 
+// If a setter is added to the prototype chain of a simple constructor setting
+// one of the properties assigned in the constructor then this setter is
 // ignored when constructing new objects from the constructor.
 
-// This only happens if the setter is added _after_ an instance has been 
+// This only happens if the setter is added _after_ an instance has been
 // created.
 
 assertEquals(23, new C().x);

test/mjsunit/compiler/global-accessors.js

@@ -26,7 +26,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // This test tests that no bailouts are missing by not hitting asserts in debug
-// mode. 
+// mode.
 
 test_count_operation()
 test_compound_assignment()

test/mjsunit/const-redecl.js

@@ -55,7 +55,7 @@ function TestLocal(s,e) {
 function TestGlobal(s,e) {
   // Collect the global properties before the call.
   var properties = [];
-  for (var key in this) properties.push(key); 
+  for (var key in this) properties.push(key);
   // Compute the result.
   var result;
   try {
@@ -113,7 +113,7 @@ function TestConflict(def0, def1) {
   // Eval second definition.
   TestAll("TypeError", def0 + '; eval("' + def1 + '")');
   // Eval both definitions separately.
-  TestAll("TypeError", 'eval("' + def0 +'"); eval("' + def1 + '")');  
+  TestAll("TypeError", 'eval("' + def0 +'"); eval("' + def1 + '")');
 }
 
 

test/mjsunit/date-parse.js

@@ -286,7 +286,7 @@ for (var i = 0; i < 24 * 365 * 100; i += 150) {
 // Negative tests.
 var testCasesNegative = [
     'May 25 2008 1:30 (PM)) UTC',  // Bad unmatched ')' after number.
-    'May 25 2008 1:30( )AM (PM)',  // 
+    'May 25 2008 1:30( )AM (PM)',  //
     'May 25 2008 AAA (GMT)'];      // Unknown word after number.
 
 testCasesNegative.forEach(function (s) {

test/mjsunit/debug-compile-event.js

@@ -81,7 +81,7 @@ function listener(event, exec_state, event_data, data) {
       assertTrue('context' in msg.body.script);
 
       // Check that we pick script name from //@ sourceURL, iff present
-      assertEquals(current_source.indexOf('sourceURL') >= 0 ? 
+      assertEquals(current_source.indexOf('sourceURL') >= 0 ?
                      'myscript.js' : undefined,
                    event_data.script().name());
     }

test/mjsunit/debug-evaluate-recursive.js

@@ -110,7 +110,7 @@ function listener_recurse(event, exec_state, event_data, data) {
     if (event == Debug.DebugEvent.Break)
     {
       break_count++;
-      
+
       // Call functions with break using the FrameMirror directly.
       if (break_count == 1) {
         // First break event evaluates with break enabled.

test/mjsunit/debug-handle.js

@@ -72,7 +72,7 @@ function lookupRequest(exec_state, arguments, success) {
 
   // The base part of all lookup requests.
   var base_request = '"seq":0,"type":"request","command":"lookup"'
-  
+
   // Generate request with the supplied arguments.
   var request;
   if (arguments) {
@@ -214,7 +214,7 @@ function listener(event, exec_state, event_data, data) {
                  'Handle not in the request: ' + handle);
       count++;
     }
-    assertEquals(count, obj.properties.length, 
+    assertEquals(count, obj.properties.length,
                  'Unexpected number of resolved objects');
 
 

test/mjsunit/debug-listbreakpoints.js

@@ -39,7 +39,7 @@ Debug = debug.Debug
 // below.  The test checks for these line numbers.
 
 function g() { // line 40
-  var x = 5; 
+  var x = 5;
   var y = 6;
   var z = 7;
 };

test/mjsunit/debug-references.js

@@ -52,7 +52,7 @@ function testRequest(dcp, arguments, success, count) {
   } else {
     request = '{' + base_request + '}'
   }
-  
+
   // Process the request and check expectation.
   var response = safeEval(dcp.processDebugJSONRequest(request));
   if (success) {
@@ -88,7 +88,7 @@ function listener(event, exec_state, event_data, data) {
     var response = safeEval(dcp.processDebugJSONRequest(evaluate_point));
     assertTrue(response.success, "Evaluation of Point failed");
     var handle = response.body.handle;
-    
+
     // Test some legal references requests.
     testRequest(dcp, '{"handle":' + handle + ',"type":"referencedBy"}', true);
     testRequest(dcp, '{"handle":' + handle + ',"type":"constructedBy"}',

test/mjsunit/debug-return-value.js

@@ -103,12 +103,12 @@ function listener(event, exec_state, event_data, data) {
         // Position at the end of the function.
         assertEquals(debugger_source_position + 50,
         exec_state.frame(0).sourcePosition());
-        
+
         // Just about to return from the function.
         assertTrue(exec_state.frame(0).isAtReturn())
         assertEquals(expected_return_value,
                      exec_state.frame(0).returnValue().value());
-        
+
         // Check the same using the JSON commands.
         var dcp = exec_state.debugCommandProcessor(false);
         var request = '{"seq":0,"type":"request","command":"backtrace"}';
@@ -118,7 +118,7 @@ function listener(event, exec_state, event_data, data) {
         assertTrue(frames[0].atReturn);
         assertEquals(expected_return_value,
                      response.lookup(frames[0].returnValue.ref).value);
-        
+
         listener_complete = true;
       }
     }
@@ -132,7 +132,7 @@ Debug.setListener(listener);
 
 // Four steps from the debugger statement in this function will position us at
 // the function return.
-//             0         1         2         3         4         5 
+//             0         1         2         3         4         5
 //             0123456789012345678901234567890123456789012345678901
 
 function f(x) {debugger; if (x) { return 1; } else { return 2; } };

test/mjsunit/debug-stepin-call-function-stub.js

@@ -62,7 +62,7 @@ function listener(event, exec_state, event_data, data) {
 Debug.setListener(listener);
 
 
-function g() { 
+function g() {
    return "s";  // expected line
 }
 
@@ -71,7 +71,7 @@ function testFunction() {
   var s = 1 +f(10);
 }
 
-function g2() { 
+function g2() {
    return "s2";  // expected line
 }
 

test/mjsunit/debug-stepin-constructor.js

@@ -38,7 +38,7 @@ function listener(event, exec_state, event_data, data) {
     if (exec_state.frameCount() > 1) {
       exec_state.prepareStep(Debug.StepAction.StepIn);
     }
-    
+
     // Test that there is a script.
     assertTrue(typeof(event_data.func().script()) == 'object');
   }

test/mjsunit/delete-in-with.js

@@ -29,6 +29,6 @@
 // objects from within 'with' statements.
 (function(){
   var tmp = { x: 12 };
-  with (tmp) { assertTrue(delete x); }  
+  with (tmp) { assertTrue(delete x); }
   assertFalse("x" in tmp);
 })();

test/mjsunit/function-source.js

@@ -36,7 +36,7 @@ function f() {
   }
   h();
 }
-  
+
 function g() {
   function h() {
     assertEquals(Debug.scriptSource(f), Debug.scriptSource(h));

test/mjsunit/get-own-property-descriptor.js

@@ -27,7 +27,7 @@
 
 // This file only tests very simple descriptors that always have
 // configurable, enumerable, and writable set to true.
-// A range of more elaborate tests are performed in 
+// A range of more elaborate tests are performed in
 // object-define-property.js
 
 function get() { return x; }

test/mjsunit/global-deleted-property-keyed.js

@@ -33,6 +33,6 @@
 var name = "fisk";
 natives[name] = name;
 function foo() { natives[name] + 12; }
-for(var i = 0; i < 3; i++) foo(); 
+for(var i = 0; i < 3; i++) foo();
 delete natives[name];
 for(var i = 0; i < 3; i++) foo();

test/mjsunit/html-string-funcs.js

@@ -29,7 +29,7 @@
 // HTML.
 function CheckSimple(f, tag) {
   assertEquals('<' + tag + '>foo</' + tag + '>',
-               "foo"[f]().toLowerCase()); 
+               "foo"[f]().toLowerCase());
 };
 var simple = { big: 'big', blink: 'blink', bold: 'b',
                fixed: 'tt', italics: 'i', small: 'small',

test/mjsunit/in.js

@@ -86,7 +86,7 @@ a[1] = 2;
 assertFalse(0 in a);
 assertTrue(1 in a);
 assertFalse(2 in a);
-assertFalse('0' in a); 
+assertFalse('0' in a);
 assertTrue('1' in a);
 assertFalse('2' in a);
 assertTrue('toString' in a, "toString");

test/mjsunit/instanceof.js

@@ -60,10 +60,10 @@ TestChains();
 
 function TestExceptions() {
   function F() { }
-  var items = [ 1, new Number(42), 
-                true, 
+  var items = [ 1, new Number(42),
+                true,
                 'string', new String('hest'),
-                {}, [], 
+                {}, [],
                 F, new F(),
                 Object, String ];
 

test/mjsunit/keyed-storage-extend.js

@@ -37,7 +37,7 @@ function GrowNamed(o) {
 }
 
 function GrowKeyed(o) {
-  var names = ['a','b','c','d','e','f']; 
+  var names = ['a','b','c','d','e','f'];
   var i = 0;
   o[names[i++]] = i;
   o[names[i++]] = i;

test/mjsunit/mirror-array.js

@@ -64,7 +64,7 @@ function testArrayMirror(a, names) {
   assertTrue(mirror.protoObject() instanceof debug.Mirror, 'Unexpected mirror hierachy');
   assertTrue(mirror.prototypeObject() instanceof debug.Mirror, 'Unexpected mirror hierachy');
   assertEquals(mirror.length(), a.length, "Length mismatch");
-  
+
   var indexedProperties = mirror.indexedPropertiesFromRange();
   assertEquals(indexedProperties.length, a.length);
   for (var i = 0; i < indexedProperties.length; i++) {
@@ -110,7 +110,7 @@ function testArrayMirror(a, names) {
       var found = false;
       for (var j = 0; j < fromJSON.properties.length; j++) {
         if (names[i] == fromJSON.properties[j].name) {
-          found = true; 
+          found = true;
         }
       }
       assertTrue(found, names[i])

test/mjsunit/mirror-function.js

@@ -65,7 +65,7 @@ function testFunctionMirror(f) {
   assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror);
   assertTrue(mirror.protoObject() instanceof debug.Mirror);
   assertTrue(mirror.prototypeObject() instanceof debug.Mirror);
-  
+
   // Test text representation
   assertEquals(f.toString(), mirror.toText());
 

test/mjsunit/mirror-script.js

@@ -62,7 +62,7 @@ function testScriptMirror(f, file_name, file_lines, type, compilation_type,
   if (eval_from_line) {
     assertEquals(eval_from_line,  mirror.evalFromLocation().line);
   }
-  
+
   // Parse JSON representation and check.
   var fromJSON = JSON.parse(json);
   assertEquals('script', fromJSON.type);

test/mjsunit/mirror-unresolved-function.js

@@ -64,7 +64,7 @@ assertEquals(void 0, mirror.source());
 assertEquals('undefined', mirror.constructorFunction().type());
 assertEquals('undefined', mirror.protoObject().type());
 assertEquals('undefined', mirror.prototypeObject().type());
-  
+
 // Parse JSON representation of unresolved functions and check.
 var fromJSON = eval('(' + json + ')');
 assertEquals('function', fromJSON.type, 'Unexpected mirror type in JSON');

test/mjsunit/no-semicolon.js

@@ -30,7 +30,7 @@
 
 function f() { return }
 
-function g() { 
+function g() {
   return
     4;
 }
@@ -42,4 +42,4 @@ for (var i = 0; i < 10; i++) { break }
 assertEquals(0, i);
 
 for (var i = 0; i < 10; i++) { continue }
-assertEquals(10, i);
\ No newline at end of file
+assertEquals(10, i);

test/mjsunit/object-define-properties.js

@@ -26,7 +26,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Tests the Object.defineProperties method - ES 15.2.3.7
-// Note that the internal DefineOwnProperty method is tested through 
+// Note that the internal DefineOwnProperty method is tested through
 // object-define-property.js, this file only contains tests specific for
 // Object.defineProperties. Also note that object-create.js contains
 // a range of indirect tests on this method since Object.create uses

test/mjsunit/object-literal-conversions.js

@@ -43,4 +43,4 @@ var test6 = { 17.31: function() {}, "17.31": 7 };
 
 assertEquals(7, test5[13]);
 assertEquals(7, test6[17.31]);
-  
\ No newline at end of file
+

test/mjsunit/object-literal-overwrite.js

@@ -79,7 +79,7 @@ assertEquals(7, foo7[15]);
 // Test for the classic code generator.
 
 function fun(x) {
-  var inner = { j: function(x) { return x; }, j: 7 }; 
+  var inner = { j: function(x) { return x; }, j: 7 };
   return inner.j;
 }
 
@@ -115,4 +115,4 @@ function fun3() {
 
 var y = fun3();
 assertEquals(7, y);
-assertEquals(3, glob3);
\ No newline at end of file
+assertEquals(3, glob3);

test/mjsunit/object-prevent-extensions.js

@@ -33,7 +33,7 @@ var obj1 = {};
 assertTrue(Object.isExtensible(obj1));
 Object.preventExtensions(obj1);
 
-// Make sure the is_extensible flag is set. 
+// Make sure the is_extensible flag is set.
 assertFalse(Object.isExtensible(obj1));
 obj1.x = 42;
 assertEquals(undefined, obj1.x);

test/mjsunit/regress/regress-1081309.js

@@ -67,7 +67,7 @@ function listener(event, exec_state, event_data, data) {
     // The expected backtrace is
     // 1: g
     // 0: [anonymous]
-    
+
     // Get the debug command processor.
     var dcp = exec_state.debugCommandProcessor(false);
 

test/mjsunit/regress/regress-1092.js

@@ -25,7 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Test that CodeGenerator::EmitKeyedPropertyAssignment for the start 
+// Test that CodeGenerator::EmitKeyedPropertyAssignment for the start
 // of an initialization block doesn't normalize the properties of the
 // JSGlobalProxy.
 this.w = 0;

test/mjsunit/regress/regress-1110.js

@@ -29,7 +29,7 @@
 
 try {
   function Crash() { continue;if (Crash) {
-    } } 
+    } }
   Crash();
   assertTrue(false);
 } catch (e) {

test/mjsunit/regress/regress-1213575.js

@@ -33,7 +33,7 @@ this.__defineSetter__('x', function(value) { assertTrue(false); });
 
 var caught = false;
 try {
-  eval('const x'); 
+  eval('const x');
 } catch(e) {
   assertTrue(e instanceof TypeError);
   caught = true;

test/mjsunit/regress/regress-1919169.js

@@ -30,7 +30,7 @@ function test() {
  var s2 = "s2";
  for (var i = 0; i < 2; i++) {
    // Crashes in round i==1 with IllegalAccess in %StringAdd(x,y)
-   var res = 1 + s2;  
+   var res = 1 + s2;
    s2 = 2;
  }
 }

test/mjsunit/regress/regress-20070207.js

@@ -26,7 +26,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // The following regression test illustrates a problem in using the
-// value of setting a property in the arguments object. 
+// value of setting a property in the arguments object.
 
 function f(s) {
   arguments.length;

test/mjsunit/regress/regress-269.js

@@ -40,10 +40,10 @@ Debug.setListener(listener);
 
 function g() {
 }
- 
+
 function f() {
   debugger;
   g.apply(null, ['']);
 }
 
-f()
\ No newline at end of file
+f()

test/mjsunit/regress/regress-619.js

@@ -25,7 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Tests that Object.defineProperty works correctly on array indices. 
+// Tests that Object.defineProperty works correctly on array indices.
 // Please see http://code.google.com/p/v8/issues/detail?id=619 for details.
 
 var obj = {};

test/mjsunit/regress/regress-678525.js

@@ -36,16 +36,16 @@ assertEquals(7,  '\7'.charCodeAt(0));
 assertEquals(56, '\8'.charCodeAt(0));
 
 assertEquals('\010', '\10');
-assertEquals('\011', '\11');    
+assertEquals('\011', '\11');
 assertEquals('\012', '\12');
 assertEquals('\013', '\13');
 assertEquals('\014', '\14');
 assertEquals('\015', '\15');
 assertEquals('\016', '\16');
 assertEquals('\017', '\17');
-    
+
 assertEquals('\020', '\20');
-assertEquals('\021', '\21');    
+assertEquals('\021', '\21');
 assertEquals('\022', '\22');
 assertEquals('\023', '\23');
 assertEquals('\024', '\24');
@@ -56,4 +56,4 @@ assertEquals('\027', '\27');
 assertEquals(73,  '\111'.charCodeAt(0));
 assertEquals(105, '\151'.charCodeAt(0));
 
-    
+

test/mjsunit/regress/regress-696.js

@@ -28,7 +28,7 @@
 // See: http://code.google.com/p/v8/issues/detail?id=696
 // Because of the change in dateparser in revision 4557 to support time
 // only strings in Date.parse we also misleadingly supported strings with non
-// leading numbers. 
+// leading numbers.
 
 assertTrue(isNaN(Date.parse('x')));
 assertTrue(isNaN(Date.parse('1x')));

test/mjsunit/regress/regress-720.js

@@ -27,7 +27,7 @@
 
 // This regression test is used to ensure that Object.defineProperty
 // keeps the existing value of the writable flag if none is given
-// in the provided descriptor. 
+// in the provided descriptor.
 // See: http://code.google.com/p/v8/issues/detail?id=720
 
 var o = {x: 10};

test/mjsunit/regress/regress-747.js

@@ -40,7 +40,7 @@ try {
   callEval();
 } catch (e) {
   assertUnreachable();
-} 
+}
 
 gc();
 gc();
@@ -53,4 +53,4 @@ try {
   callEval();
 } catch (e) {
   assertUnreachable();
-} 
+}

test/mjsunit/regress/regress-760-1.js

@@ -26,7 +26,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Check that when valueOf for a String object is overwritten it is called and
-// the result used when that object is added with a string.  
+// the result used when that object is added with a string.
 
 // See: http://code.google.com/p/v8/issues/detail?id=760
 

test/mjsunit/regress/regress-760-2.js

@@ -26,7 +26,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Check that when valueOf for a String object is overwritten it is called and
-// the result used when that object is added with a string.  
+// the result used when that object is added with a string.
 
 // See: http://code.google.com/p/v8/issues/detail?id=760
 

test/mjsunit/regress/regress-798.js

@@ -32,7 +32,7 @@ x.__defineGetter__("a", function() {
   try {
     y.x = 40;
   } catch (e) {
-    assertEquals(3, e.stack.split('\n').length); 
+    assertEquals(3, e.stack.split('\n').length);
   }
   return 40;
 });
@@ -41,7 +41,7 @@ x.__defineSetter__("a", function(val) {
   try {
     y.x = 40;
   } catch(e) {
-    assertEquals(3, e.stack.split('\n').length); 
+    assertEquals(3, e.stack.split('\n').length);
   }
 });
 
@@ -50,7 +50,7 @@ function getB() {
   try {
     y.x = 30;
   } catch (e) {
-    assertEquals(3, e.stack.split('\n').length); 
+    assertEquals(3, e.stack.split('\n').length);
   }
   return 30;
 }
@@ -59,7 +59,7 @@ function setB(val) {
   try {
     y.x = 30;
   } catch(e) {
-    assertEquals(3, e.stack.split('\n').length); 
+    assertEquals(3, e.stack.split('\n').length);
   }
 }
 
@@ -72,7 +72,7 @@ var descriptor  = {
     try {
       y.x = 40;
     } catch (e) {
-      assertEquals(3, e.stack.split('\n').length); 
+      assertEquals(3, e.stack.split('\n').length);
     }
     return 40;
   },
@@ -80,7 +80,7 @@ var descriptor  = {
     try {
       y.x = 40;
     } catch(e) {
-      assertEquals(3, e.stack.split('\n').length); 
+      assertEquals(3, e.stack.split('\n').length);
     }
   }
 }
@@ -88,7 +88,7 @@ var descriptor  = {
 Object.defineProperty(x, 'c', descriptor)
 
 // Check that the stack for an exception in a getter and setter produce the
-// expected stack height.   
+// expected stack height.
 x.a;
 x.b;
 x.c;

test/mjsunit/regress/regress-918.js

@@ -28,6 +28,6 @@
 // Parser should not accept parentheses around labels.
 // See http://code.google.com/p/v8/issues/detail?id=918
 
-// The label was parsed as an expression and then tested for being a 
+// The label was parsed as an expression and then tested for being a
 // single identifier. This threw away the parentheses.
 assertThrows("(label):42;");

test/mjsunit/regress/regress-925537.js

@@ -28,8 +28,8 @@
 function assertClose(expected, actual) {
   var delta = 0.00001;
   if (Math.abs(expected - actual) > delta) {
-    print('Failure: Expected <' + actual + '> to be close to <' + 
-          expected + '>');    
+    print('Failure: Expected <' + actual + '> to be close to <' +
+          expected + '>');
   }
 }
 

test/mjsunit/regress/regress-937896.js

@@ -41,7 +41,7 @@ function f() {
       }
     }
   } catch (e) {
-    // Empty. 
+    // Empty.
   }
   return 42;
 }

test/mjsunit/setter-on-constructor-prototype.js

@@ -35,14 +35,14 @@ function RunTest(ensure_fast_case) {
   if (ensure_fast_case) {
     %ToFastProperties(C1.prototype);
   }
-  
+
   for (var i = 0; i < 10; i++) {
     var c1 = new C1();
     assertEquals("undefined", typeof c1.x);
     assertEquals(23, c1.y);
   }
-  
-  
+
+
   function C2() {
     this.x = 23;
   };
@@ -51,14 +51,14 @@ function RunTest(ensure_fast_case) {
   if (ensure_fast_case) {
     %ToFastProperties(C2.prototype.__proto__)
   }
-  
+
   for (var i = 0; i < 10; i++) {
     var c2 = new C2();
     assertEquals("undefined", typeof c2.x);
     assertEquals(23, c2.y);
   }
-  
-  
+
+
   function C3() {
     this.x = 23;
   };
@@ -67,14 +67,14 @@ function RunTest(ensure_fast_case) {
   if (ensure_fast_case) {
     %ToFastProperties(C3.prototype);
   }
-  
+
   for (var i = 0; i < 10; i++) {
     var c3 = new C3();
     assertEquals("undefined", typeof c3.x);
     assertEquals(23, c3.y);
   }
-  
-  
+
+
   function C4() {
     this.x = 23;
   };
@@ -84,14 +84,14 @@ function RunTest(ensure_fast_case) {
   if (ensure_fast_case) {
     %ToFastProperties(C4.prototype.__proto__);
   }
-  
+
   for (var i = 0; i < 10; i++) {
     var c4 = new C4();
     assertEquals("undefined", typeof c4.x);
     assertEquals(23, c4.y);
   }
-  
-  
+
+
   function D() {
     this.x = 23;
   };
@@ -99,7 +99,7 @@ function RunTest(ensure_fast_case) {
   if (ensure_fast_case) {
     %ToFastProperties(D.prototype);
   }
-  
+
   for (var i = 0; i < 10; i++) {
     var d = new D();
     assertEquals(23, d.x);

test/mjsunit/string-compare-alignment.js

@@ -29,8 +29,9 @@
 // This situation can arise with sliced strings.  This tests for an ARM bug
 // that was fixed in r554.
 
-var base = "Now is the time for all good men to come to the aid of the party. " + 
-           "Now is the time for all good men to come to the aid of the party."
+var base =
+    "Now is the time for all good men to come to the aid of the party. " +
+    "Now is the time for all good men to come to the aid of the party."
 var s1 = base.substring(0, 64);
 var s2 = base.substring(66, 130);
 

test/mjsunit/string-indexof-1.js

@@ -63,7 +63,7 @@ assertEquals(1, twoByteString.indexOf("\u0391"), "Alpha");
 assertEquals(2, twoByteString.indexOf("\u03a3"), "First Sigma");
 assertEquals(3, twoByteString.indexOf("\u03a3",3), "Second Sigma");
 assertEquals(4, twoByteString.indexOf("\u0395"), "Epsilon");
-assertEquals(-1, twoByteString.indexOf("\u0392"), "Not beta");  
+assertEquals(-1, twoByteString.indexOf("\u0392"), "Not beta");
 
 // Test multi-char pattern
 assertEquals(0, twoByteString.indexOf("\u039a\u0391"), "lambda Alpha");
@@ -71,7 +71,7 @@ assertEquals(1, twoByteString.indexOf("\u0391\u03a3"), "Alpha Sigma");
 assertEquals(2, twoByteString.indexOf("\u03a3\u03a3"), "Sigma Sigma");
 assertEquals(3, twoByteString.indexOf("\u03a3\u0395"), "Sigma Epsilon");
 
-assertEquals(-1, twoByteString.indexOf("\u0391\u03a3\u0395"), 
+assertEquals(-1, twoByteString.indexOf("\u0391\u03a3\u0395"),
     "Not Alpha Sigma Epsilon");
 
 //single char pattern

test/mjsunit/string-indexof-2.js

@@ -57,10 +57,10 @@ for(var i = 0; i < lipsum.length; i += 3) {
     var index = -1;
     do {
       index = lipsum.indexOf(substring, index + 1);
-      assertTrue(index != -1, 
+      assertTrue(index != -1,
                  "Lipsum substring " + i + ".." + (i + len-1) + " not found");
-      assertEquals(lipsum.substring(index, index + len), substring, 
-          "Wrong lipsum substring found: " + i + ".." + (i + len - 1) + "/" + 
+      assertEquals(lipsum.substring(index, index + len), substring,
+          "Wrong lipsum substring found: " + i + ".." + (i + len - 1) + "/" +
               index + ".." + (index + len - 1));
     } while (index >= 0 && index < i);
     assertEquals(i, index, "Lipsum match at " + i + ".." + (i + len - 1));

test/mjsunit/string-slices.js

@@ -57,7 +57,7 @@ assertEquals(s, s.substr(-100));
 assertEquals('abc', s.substr(-100, 3));
 assertEquals(s1, s.substr(-s.length + 1));
 
-// assertEquals('', s.substr(0, void 0)); // smjs and rhino 
+// assertEquals('', s.substr(0, void 0)); // smjs and rhino
 assertEquals('abcdefghijklmn', s.substr(0, void 0));  // kjs and v8
 assertEquals('', s.substr(0, null));
 assertEquals(s, s.substr(0, String(s.length)));
@@ -196,4 +196,4 @@ var b = a.slice(1,-1);
 assertEquals(a.slice(1,-1), b);
 externalizeString(a);
 assertEquals(a.slice(1,-1), b);
-*/
\ No newline at end of file
+*/

test/mjsunit/string-split.js

@@ -68,13 +68,13 @@ assertArrayEquals(["a", "b", "c"], "abc".split(/(?=.)/));
 
 
 /* "ab".split(/((?=.))/)
- * 
+ *
  * KJS:   ,a,,b
  * SM:    a,,b,
  * IE:    a,b
  * Opera: a,,b
  * V8:    a,,b
- * 
+ *
  * Opera seems to have this right.  The others make no sense.
  */
 assertArrayEquals(["a", "", "b"], "ab".split(/((?=.))/));

test/mjsunit/substr.js

@@ -55,7 +55,7 @@ assertEquals(s, s.substr(-100));
 assertEquals('abc', s.substr(-100, 3));
 assertEquals(s1, s.substr(-s.length + 1));
 
-// assertEquals('', s.substr(0, void 0)); // smjs and rhino 
+// assertEquals('', s.substr(0, void 0)); // smjs and rhino
 assertEquals('abcdefghijklmn', s.substr(0, void 0));  // kjs and v8
 assertEquals('', s.substr(0, null));
 assertEquals(s, s.substr(0, String(s.length)));

test/mjsunit/this-property-assignment.js

@@ -25,7 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Tests the handling of multiple assignments to the same property in a 
+// Tests the handling of multiple assignments to the same property in a
 // constructor that only has simple this property assignments.
 
 function Node() {

test/mjsunit/try.js

@@ -250,7 +250,7 @@ function break_from_nested_catch(x) {
     } catch (o) {
       x--;
     }
-  } 
+  }
   return x;
 }
 
@@ -274,7 +274,7 @@ function break_from_nested_finally(x) {
       x--;
     }
     x--; // should not happen
-  } 
+  }
   return x;
 }
 

test/mjsunit/unicode-test.js

@@ -807,7 +807,7 @@ var cyrillic =
 "    * Васильев Л.С. Древний Китай: в 3 т. Т. 3. Период Чжаньго (V–III вв. до н.э.). М.: Восточная литература, 2006. ISBN 502018103X\n" +
 "    * Непомнин О.Е. История Китая: Эпоха Цин. XVII – начало XX века. М.: Восточная литература, 2005. ISBN 5020184004\n";
 
-var devanagari = 
+var devanagari =
 "भारत\n" +
 "विकिपीडिया, एक मुक्त ज्ञानकोष से\n" +
 "Jump to: navigation, search\n" +
@@ -1417,7 +1417,7 @@ var english =
 "There are many words of French origin in English, such as competition, art, table, publicity, police, role, routine, machine, force, and many others that have been and are being anglicised; they are now pronounced according to English rules of phonology, rather than French. A large portion of English vocabulary is of French or Oïl language origin, most derived from, or transmitted via, the Anglo-Norman spoken by the upper classes in England for several hundred years after the Norman Conquest.\n";
 
 
-var greek = 
+var greek =
 "Ελλάδα\n" +
 "Από τη Βικιπαίδεια, την ελεύθερη εγκυκλοπαίδεια\n" +
 "Ελληνική Δημοκρατία\n" +

test/mjsunit/value-wrapper.js

@@ -39,7 +39,7 @@ function RunTests() {
     assertEquals('object', (42).TypeOfThis());
     assertEquals('object', (3.14).TypeOfThis());
   }
-  
+
   for (var i = 0; i < 10; i++) {
     assertEquals('object', 'xxx'['TypeOfThis']());
     assertEquals('object', true['TypeOfThis']());
@@ -47,11 +47,11 @@ function RunTests() {
     assertEquals('object', (42)['TypeOfThis']());
     assertEquals('object', (3.14)['TypeOfThis']());
   }
-  
+
   function CallTypeOfThis(obj) {
     assertEquals('object', obj.TypeOfThis());
   }
-  
+
   for (var i = 0; i < 10; i++) {
     CallTypeOfThis('xxx');
     CallTypeOfThis(true);
@@ -59,7 +59,7 @@ function RunTests() {
     CallTypeOfThis(42);
     CallTypeOfThis(3.14);
   }
-  
+
   function TestWithWith(obj) {
     with (obj) {
       for (var i = 0; i < 10; i++) {
@@ -67,13 +67,13 @@ function RunTests() {
       }
     }
   }
-  
+
   TestWithWith('xxx');
   TestWithWith(true);
   TestWithWith(false);
   TestWithWith(42);
   TestWithWith(3.14);
-  
+
   for (var i = 0; i < 10; i++) {
     assertEquals('object', true[7]());
     assertEquals('object', false[7]());
@@ -100,7 +100,7 @@ function RunTests() {
 
 function TypeOfThis() { return typeof this; }
 
-// Test with normal setup of prototype. 
+// Test with normal setup of prototype.
 String.prototype.TypeOfThis = TypeOfThis;
 Boolean.prototype.TypeOfThis = TypeOfThis;
 Number.prototype.TypeOfThis = TypeOfThis;

test/mozilla/mozilla.status

@@ -245,7 +245,7 @@ ecma_3/Number/15.7.4.7-1: FAIL_OK
 # toExponential argument restricted to range 0..20 in JSC/V8
 ecma_3/Number/15.7.4.6-1: FAIL_OK
 
-#:=== RegExp:=== 
+#:=== RegExp:===
 # We don't match the syntax error message of Mozilla for invalid
 # RegExp flags.
 ecma_3/RegExp/15.10.4.1-6: FAIL_OK
@@ -578,7 +578,7 @@ js1_5/Regress/regress-352604: FAIL_OK
 js1_5/Regress/regress-417893: FAIL_OK
 
 
-# Unsupported use of "[]" as function parameter. We match JSC. 
+# Unsupported use of "[]" as function parameter. We match JSC.
 js1_5/Regress/regress-416737-01: FAIL_OK
 js1_5/Regress/regress-416737-02: FAIL_OK
 

tools/gdb-v8-support.py

@@ -138,7 +138,7 @@ def v8_to_int(v):
   else:
     return '?'
 
-  
+
 def v8_get_value(vstring):
   v = gdb.parse_and_eval(vstring)
   return v8_to_int(v)

tools/presubmit.py

 #!/usr/bin/env python
 #
-# Copyright 2008 the V8 project authors. All rights reserved.
+# Copyright 2011 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:
@@ -88,7 +88,6 @@ whitespace/blank_line
 whitespace/braces
 whitespace/comma
 whitespace/comments
-whitespace/end_of_line
 whitespace/ending_newline
 whitespace/indent
 whitespace/labels
@@ -231,11 +230,12 @@ COPYRIGHT_HEADER_PATTERN = re.compile(
 
 class SourceProcessor(SourceFileProcessor):
   """
-  Check that all files include a copyright notice.
+  Check that all files include a copyright notice and no trailing whitespaces.
   """
 
   RELEVANT_EXTENSIONS = ['.js', '.cc', '.h', '.py', '.c', 'SConscript',
-      'SConstruct', '.status']
+      'SConstruct', '.status', '.gyp', '.gypi']
+
   def IsRelevant(self, name):
     for ext in SourceProcessor.RELEVANT_EXTENSIONS:
       if name.endswith(ext):
@@ -273,6 +273,22 @@ class SourceProcessor(SourceFileProcessor):
       if not COPYRIGHT_HEADER_PATTERN.search(contents):
         print "%s is missing a correct copyright header." % name
         result = False
+    ext = base.split('.').pop()
+    if ' \n' in contents or contents.endswith(' '):
+      line = 0
+      lines = []
+      parts = contents.split(' \n')
+      if not contents.endswith(' '):
+        parts.pop()
+      for part in parts:
+        line += part.count('\n') + 1
+        lines.append(str(line))
+      linenumbers = ', '.join(lines)
+      if len(lines) > 1:
+        print "%s has trailing whitespaces in lines %s." % (name, linenumbers)
+      else:
+        print "%s has trailing whitespaces in line %s." % (name, linenumbers)
+      result = False
     return result
 
   def ProcessFiles(self, files, path):

tools/process-heap-prof.py

@@ -47,7 +47,7 @@ def ProcessLogFile(filename, options):
     itemname = 'heap-js-cons-item'
   else:
     itemname = 'heap-sample-item'
-  
+
   first_call_time = None
   sample_time = 0.0
   sampling = False
@@ -108,11 +108,11 @@ def Main():
   if not ProcessOptions(options):
     parser.print_help()
     sys.exit();
-  
+
   if not args:
     print "Missing logfile"
     sys.exit();
-    
+
   ProcessLogFile(args[0], options)