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30 #include "ExceptionHelpers.h"
32 #include "CodeBlock.h"
33 #include "CallFrame.h"
34 #include "ErrorInstance.h"
35 #include "JSGlobalObjectFunctions.h"
37 #include "JSNotAnObject.h"
38 #include "Interpreter.h"
40 #include "Operations.h"
44 ASSERT_HAS_TRIVIAL_DESTRUCTOR(TerminatedExecutionError);
46 const ClassInfo TerminatedExecutionError::s_info = { "TerminatedExecutionError", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(TerminatedExecutionError) };
48 JSValue TerminatedExecutionError::defaultValue(const JSObject*, ExecState* exec, PreferredPrimitiveType hint)
50 if (hint == PreferString)
51 return jsNontrivialString(exec, String(ASCIILiteral("JavaScript execution terminated.")));
55 JSObject* createTerminatedExecutionException(VM* vm)
57 return TerminatedExecutionError::create(*vm);
60 bool isTerminatedExecutionException(JSObject* object)
62 return object->inherits(TerminatedExecutionError::info());
65 bool isTerminatedExecutionException(JSValue value)
67 return value.inherits(TerminatedExecutionError::info());
71 JSObject* createStackOverflowError(ExecState* exec)
73 return createRangeError(exec, ASCIILiteral("Maximum call stack size exceeded."));
76 JSObject* createStackOverflowError(JSGlobalObject* globalObject)
78 return createRangeError(globalObject, ASCIILiteral("Maximum call stack size exceeded."));
81 JSObject* createUndefinedVariableError(ExecState* exec, const Identifier& ident)
83 String message(makeString("Can't find variable: ", ident.string()));
84 return createReferenceError(exec, message);
87 JSString* errorDescriptionForValue(ExecState* exec, JSValue v)
91 return vm.smallStrings.nullString();
93 return vm.smallStrings.undefinedString();
95 return jsString(&vm, vm.numericStrings.add(v.asInt32()));
97 return jsString(&vm, vm.numericStrings.add(v.asDouble()));
99 return vm.smallStrings.trueString();
101 return vm.smallStrings.falseString();
103 return jsCast<JSString*>(v.asCell());
106 JSObject* object = asObject(v);
107 if (object->methodTable()->getCallData(object, callData) != CallTypeNone)
108 return vm.smallStrings.functionString();
110 return jsString(exec, asObject(v)->methodTable()->className(asObject(v)));
113 JSObject* createError(ExecState* exec, ErrorFactory errorFactory, JSValue value, const String& message)
115 String errorMessage = makeString(errorDescriptionForValue(exec, value)->value(exec), " ", message);
116 JSObject* exception = errorFactory(exec, errorMessage);
117 ASSERT(exception->isErrorInstance());
118 static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
122 JSObject* createInvalidParameterError(ExecState* exec, const char* op, JSValue value)
124 return createError(exec, createTypeError, value, makeString("is not a valid argument for '", op, "'"));
127 JSObject* createNotAConstructorError(ExecState* exec, JSValue value)
129 return createError(exec, createTypeError, value, "is not a constructor");
132 JSObject* createNotAFunctionError(ExecState* exec, JSValue value)
134 return createError(exec, createTypeError, value, "is not a function");
137 JSObject* createNotAnObjectError(ExecState* exec, JSValue value)
139 return createError(exec, createTypeError, value, "is not an object");
142 JSObject* createErrorForInvalidGlobalAssignment(ExecState* exec, const String& propertyName)
144 return createReferenceError(exec, makeString("Strict mode forbids implicit creation of global property '", propertyName, "'"));
147 JSObject* createOutOfMemoryError(JSGlobalObject* globalObject)
149 return createError(globalObject, ASCIILiteral("Out of memory"));
152 JSObject* throwOutOfMemoryError(ExecState* exec)
154 return throwError(exec, createOutOfMemoryError(exec->lexicalGlobalObject()));
157 JSObject* throwStackOverflowError(ExecState* exec)
159 Interpreter::ErrorHandlingMode mode(exec);
160 return throwError(exec, createStackOverflowError(exec));
163 JSObject* throwTerminatedExecutionException(ExecState* exec)
165 Interpreter::ErrorHandlingMode mode(exec);
166 return throwError(exec, createTerminatedExecutionException(&exec->vm()));