1 /*
2 * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "ExceptionHelpers.h"
31
32 #include "CodeBlock.h"
33 #include "CallFrame.h"
34 #include "ErrorInstance.h"
35 #include "JSGlobalObjectFunctions.h"
36 #include "JSObject.h"
37 #include "JSNotAnObject.h"
38 #include "Interpreter.h"
39 #include "Nodes.h"
40 #include "UStringConcatenate.h"
41
42 namespace JSC {
43
44 class InterruptedExecutionError : public JSNonFinalObject {
45 public:
InterruptedExecutionError(JSGlobalData * globalData)46 InterruptedExecutionError(JSGlobalData* globalData)
47 : JSNonFinalObject(*globalData, globalData->interruptedExecutionErrorStructure.get())
48 {
49 }
50
exceptionType() const51 virtual ComplType exceptionType() const { return Interrupted; }
52
toString(ExecState *) const53 virtual UString toString(ExecState*) const { return "JavaScript execution exceeded timeout."; }
54 };
55
createInterruptedExecutionException(JSGlobalData * globalData)56 JSObject* createInterruptedExecutionException(JSGlobalData* globalData)
57 {
58 return new (globalData) InterruptedExecutionError(globalData);
59 }
60
61 class TerminatedExecutionError : public JSNonFinalObject {
62 public:
TerminatedExecutionError(JSGlobalData * globalData)63 TerminatedExecutionError(JSGlobalData* globalData)
64 : JSNonFinalObject(*globalData, globalData->terminatedExecutionErrorStructure.get())
65 {
66 }
67
exceptionType() const68 virtual ComplType exceptionType() const { return Terminated; }
69
toString(ExecState *) const70 virtual UString toString(ExecState*) const { return "JavaScript execution terminated."; }
71 };
72
createTerminatedExecutionException(JSGlobalData * globalData)73 JSObject* createTerminatedExecutionException(JSGlobalData* globalData)
74 {
75 return new (globalData) TerminatedExecutionError(globalData);
76 }
77
createStackOverflowError(ExecState * exec)78 JSObject* createStackOverflowError(ExecState* exec)
79 {
80 return createRangeError(exec, "Maximum call stack size exceeded.");
81 }
82
createStackOverflowError(JSGlobalObject * globalObject)83 JSObject* createStackOverflowError(JSGlobalObject* globalObject)
84 {
85 return createRangeError(globalObject, "Maximum call stack size exceeded.");
86 }
87
createUndefinedVariableError(ExecState * exec,const Identifier & ident)88 JSObject* createUndefinedVariableError(ExecState* exec, const Identifier& ident)
89 {
90 UString message(makeUString("Can't find variable: ", ident.ustring()));
91 return createReferenceError(exec, message);
92 }
93
createInvalidParamError(ExecState * exec,const char * op,JSValue value)94 JSObject* createInvalidParamError(ExecState* exec, const char* op, JSValue value)
95 {
96 UString errorMessage = makeUString("'", value.toString(exec), "' is not a valid argument for '", op, "'");
97 JSObject* exception = createTypeError(exec, errorMessage);
98 ASSERT(exception->isErrorInstance());
99 static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
100 return exception;
101 }
102
createNotAConstructorError(ExecState * exec,JSValue value)103 JSObject* createNotAConstructorError(ExecState* exec, JSValue value)
104 {
105 UString errorMessage = makeUString("'", value.toString(exec), "' is not a constructor");
106 JSObject* exception = createTypeError(exec, errorMessage);
107 ASSERT(exception->isErrorInstance());
108 static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
109 return exception;
110 }
111
createNotAFunctionError(ExecState * exec,JSValue value)112 JSObject* createNotAFunctionError(ExecState* exec, JSValue value)
113 {
114 UString errorMessage = makeUString("'", value.toString(exec), "' is not a function");
115 JSObject* exception = createTypeError(exec, errorMessage);
116 ASSERT(exception->isErrorInstance());
117 static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
118 return exception;
119 }
120
createNotAnObjectError(ExecState * exec,JSValue value)121 JSObject* createNotAnObjectError(ExecState* exec, JSValue value)
122 {
123 UString errorMessage = makeUString("'", value.toString(exec), "' is not an object");
124 JSObject* exception = createTypeError(exec, errorMessage);
125 ASSERT(exception->isErrorInstance());
126 static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
127 return exception;
128 }
129
createErrorForInvalidGlobalAssignment(ExecState * exec,const UString & propertyName)130 JSObject* createErrorForInvalidGlobalAssignment(ExecState* exec, const UString& propertyName)
131 {
132 return createReferenceError(exec, makeUString("Strict mode forbids implicit creation of global property '", propertyName, "'"));
133 }
134
createOutOfMemoryError(JSGlobalObject * globalObject)135 JSObject* createOutOfMemoryError(JSGlobalObject* globalObject)
136 {
137 return createError(globalObject, "Out of memory");
138 }
139
throwOutOfMemoryError(ExecState * exec)140 JSObject* throwOutOfMemoryError(ExecState* exec)
141 {
142 return throwError(exec, createOutOfMemoryError(exec->lexicalGlobalObject()));
143 }
144
throwStackOverflowError(ExecState * exec)145 JSObject* throwStackOverflowError(ExecState* exec)
146 {
147 return throwError(exec, createStackOverflowError(exec));
148 }
149
150 } // namespace JSC
151