#include "CodeBlock.h"
#include "CallFrame.h"
+#include "ErrorInstance.h"
#include "JSGlobalObjectFunctions.h"
#include "JSObject.h"
#include "JSNotAnObject.h"
#include "Interpreter.h"
#include "Nodes.h"
+#include "Operations.h"
namespace JSC {
-class InterruptedExecutionError : public JSObject {
-public:
- InterruptedExecutionError(JSGlobalData* globalData)
- : JSObject(globalData->interruptedExecutionErrorStructure)
- {
- }
+ASSERT_HAS_TRIVIAL_DESTRUCTOR(TerminatedExecutionError);
- virtual ComplType exceptionType() const { return Interrupted; }
+const ClassInfo TerminatedExecutionError::s_info = { "TerminatedExecutionError", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(TerminatedExecutionError) };
- virtual UString toString(ExecState*) const { return "JavaScript execution exceeded timeout."; }
-};
-
-JSValue createInterruptedExecutionException(JSGlobalData* globalData)
+JSValue TerminatedExecutionError::defaultValue(const JSObject*, ExecState* exec, PreferredPrimitiveType hint)
{
- return new (globalData) InterruptedExecutionError(globalData);
+ if (hint == PreferString)
+ return jsNontrivialString(exec, String(ASCIILiteral("JavaScript execution terminated.")));
+ return JSValue(QNaN);
}
-class TerminatedExecutionError : public JSObject {
-public:
- TerminatedExecutionError(JSGlobalData* globalData)
- : JSObject(globalData->terminatedExecutionErrorStructure)
- {
- }
-
- virtual ComplType exceptionType() const { return Terminated; }
-
- virtual UString toString(ExecState*) const { return "JavaScript execution terminated."; }
-};
+JSObject* createTerminatedExecutionException(VM* vm)
+{
+ return TerminatedExecutionError::create(*vm);
+}
-JSValue createTerminatedExecutionException(JSGlobalData* globalData)
+bool isTerminatedExecutionException(JSObject* object)
{
- return new (globalData) TerminatedExecutionError(globalData);
+ return object->inherits(&TerminatedExecutionError::s_info);
}
-static JSValue createError(ExecState* exec, ErrorType e, const char* msg)
+bool isTerminatedExecutionException(JSValue value)
{
- return Error::create(exec, e, msg, -1, -1, UString());
+ return value.inherits(&TerminatedExecutionError::s_info);
}
-JSValue createStackOverflowError(ExecState* exec)
+
+JSObject* createStackOverflowError(ExecState* exec)
{
- return createError(exec, RangeError, "Maximum call stack size exceeded.");
+ return createRangeError(exec, ASCIILiteral("Maximum call stack size exceeded."));
}
-JSValue createTypeError(ExecState* exec, const char* message)
+JSObject* createStackOverflowError(JSGlobalObject* globalObject)
{
- return createError(exec, TypeError, message);
+ return createRangeError(globalObject, ASCIILiteral("Maximum call stack size exceeded."));
}
-JSValue createUndefinedVariableError(ExecState* exec, const Identifier& ident, unsigned bytecodeOffset, CodeBlock* codeBlock)
+JSObject* createUndefinedVariableError(ExecState* exec, const Identifier& ident)
{
- int startOffset = 0;
- int endOffset = 0;
- int divotPoint = 0;
- int line = codeBlock->expressionRangeForBytecodeOffset(exec, bytecodeOffset, divotPoint, startOffset, endOffset);
- JSObject* exception = Error::create(exec, ReferenceError, makeString("Can't find variable: ", ident.ustring()), line, codeBlock->ownerExecutable()->sourceID(), codeBlock->ownerExecutable()->sourceURL());
- exception->putWithAttributes(exec, Identifier(exec, expressionBeginOffsetPropertyName), jsNumber(exec, divotPoint - startOffset), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionCaretOffsetPropertyName), jsNumber(exec, divotPoint), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionEndOffsetPropertyName), jsNumber(exec, divotPoint + endOffset), ReadOnly | DontDelete);
- return exception;
+ String message(makeString("Can't find variable: ", ident.string()));
+ return createReferenceError(exec, message);
}
-static UString createErrorMessage(ExecState* exec, CodeBlock* codeBlock, int, int expressionStart, int expressionStop, JSValue value, UString error)
-{
- if (!expressionStop || expressionStart > codeBlock->source()->length())
- return makeString(value.toString(exec), " is ", error);
- if (expressionStart < expressionStop)
- return makeString("Result of expression '", codeBlock->source()->getRange(expressionStart, expressionStop), "' [", value.toString(exec), "] is ", error, ".");
-
- // No range information, so give a few characters of context
- const UChar* data = codeBlock->source()->data();
- int dataLength = codeBlock->source()->length();
- int start = expressionStart;
- int stop = expressionStart;
- // Get up to 20 characters of context to the left and right of the divot, clamping to the line.
- // then strip whitespace.
- while (start > 0 && (expressionStart - start < 20) && data[start - 1] != '\n')
- start--;
- while (start < (expressionStart - 1) && isStrWhiteSpace(data[start]))
- start++;
- while (stop < dataLength && (stop - expressionStart < 20) && data[stop] != '\n')
- stop++;
- while (stop > expressionStart && isStrWhiteSpace(data[stop]))
- stop--;
- return makeString("Result of expression near '...", codeBlock->source()->getRange(start, stop), "...' [", value.toString(exec), "] is ", error, ".");
-}
-
-JSObject* createInvalidParamError(ExecState* exec, const char* op, JSValue value, unsigned bytecodeOffset, CodeBlock* codeBlock)
-{
- int startOffset = 0;
- int endOffset = 0;
- int divotPoint = 0;
- int line = codeBlock->expressionRangeForBytecodeOffset(exec, bytecodeOffset, divotPoint, startOffset, endOffset);
- UString errorMessage = createErrorMessage(exec, codeBlock, line, divotPoint, divotPoint + endOffset, value, makeString("not a valid argument for '", op, "'"));
- JSObject* exception = Error::create(exec, TypeError, errorMessage, line, codeBlock->ownerExecutable()->sourceID(), codeBlock->ownerExecutable()->sourceURL());
- exception->putWithAttributes(exec, Identifier(exec, expressionBeginOffsetPropertyName), jsNumber(exec, divotPoint - startOffset), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionCaretOffsetPropertyName), jsNumber(exec, divotPoint), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionEndOffsetPropertyName), jsNumber(exec, divotPoint + endOffset), ReadOnly | DontDelete);
+JSObject* createInvalidParamError(ExecState* exec, const char* op, JSValue value)
+{
+ String errorMessage = makeString("'", value.toString(exec)->value(exec), "' is not a valid argument for '", op, "'");
+ JSObject* exception = createTypeError(exec, errorMessage);
+ ASSERT(exception->isErrorInstance());
+ static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
return exception;
}
-JSObject* createNotAConstructorError(ExecState* exec, JSValue value, unsigned bytecodeOffset, CodeBlock* codeBlock)
+JSObject* createNotAConstructorError(ExecState* exec, JSValue value)
{
- int startOffset = 0;
- int endOffset = 0;
- int divotPoint = 0;
- int line = codeBlock->expressionRangeForBytecodeOffset(exec, bytecodeOffset, divotPoint, startOffset, endOffset);
+ String errorMessage = makeString("'", value.toString(exec)->value(exec), "' is not a constructor");
+ JSObject* exception = createTypeError(exec, errorMessage);
+ ASSERT(exception->isErrorInstance());
+ static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
+ return exception;
+}
- // We're in a "new" expression, so we need to skip over the "new.." part
- int startPoint = divotPoint - (startOffset ? startOffset - 4 : 0); // -4 for "new "
- const UChar* data = codeBlock->source()->data();
- while (startPoint < divotPoint && isStrWhiteSpace(data[startPoint]))
- startPoint++;
-
- UString errorMessage = createErrorMessage(exec, codeBlock, line, startPoint, divotPoint, value, "not a constructor");
- JSObject* exception = Error::create(exec, TypeError, errorMessage, line, codeBlock->ownerExecutable()->sourceID(), codeBlock->ownerExecutable()->sourceURL());
- exception->putWithAttributes(exec, Identifier(exec, expressionBeginOffsetPropertyName), jsNumber(exec, divotPoint - startOffset), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionCaretOffsetPropertyName), jsNumber(exec, divotPoint), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionEndOffsetPropertyName), jsNumber(exec, divotPoint + endOffset), ReadOnly | DontDelete);
+JSObject* createNotAFunctionError(ExecState* exec, JSValue value)
+{
+ String errorMessage = makeString("'", value.toString(exec)->value(exec), "' is not a function");
+ JSObject* exception = createTypeError(exec, errorMessage);
+ ASSERT(exception->isErrorInstance());
+ static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
return exception;
}
-JSValue createNotAFunctionError(ExecState* exec, JSValue value, unsigned bytecodeOffset, CodeBlock* codeBlock)
+JSObject* createNotAnObjectError(ExecState* exec, JSValue value)
{
- int startOffset = 0;
- int endOffset = 0;
- int divotPoint = 0;
- int line = codeBlock->expressionRangeForBytecodeOffset(exec, bytecodeOffset, divotPoint, startOffset, endOffset);
- UString errorMessage = createErrorMessage(exec, codeBlock, line, divotPoint - startOffset, divotPoint, value, "not a function");
- JSObject* exception = Error::create(exec, TypeError, errorMessage, line, codeBlock->ownerExecutable()->sourceID(), codeBlock->ownerExecutable()->sourceURL());
- exception->putWithAttributes(exec, Identifier(exec, expressionBeginOffsetPropertyName), jsNumber(exec, divotPoint - startOffset), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionCaretOffsetPropertyName), jsNumber(exec, divotPoint), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionEndOffsetPropertyName), jsNumber(exec, divotPoint + endOffset), ReadOnly | DontDelete);
+ String errorMessage = makeString("'", value.toString(exec)->value(exec), "' is not an object");
+ JSObject* exception = createTypeError(exec, errorMessage);
+ ASSERT(exception->isErrorInstance());
+ static_cast<ErrorInstance*>(exception)->setAppendSourceToMessage();
return exception;
}
-JSNotAnObjectErrorStub* createNotAnObjectErrorStub(ExecState* exec, bool isNull)
+JSObject* createErrorForInvalidGlobalAssignment(ExecState* exec, const String& propertyName)
{
- return new (exec) JSNotAnObjectErrorStub(exec, isNull);
+ return createReferenceError(exec, makeString("Strict mode forbids implicit creation of global property '", propertyName, "'"));
}
-JSObject* createNotAnObjectError(ExecState* exec, JSNotAnObjectErrorStub* error, unsigned bytecodeOffset, CodeBlock* codeBlock)
+JSObject* createOutOfMemoryError(JSGlobalObject* globalObject)
{
- // Both op_construct and op_instanceof require a use of op_get_by_id to get
- // the prototype property from an object. The exception messages for exceptions
- // thrown by these instances op_get_by_id need to reflect this.
- OpcodeID followingOpcodeID;
- if (codeBlock->getByIdExceptionInfoForBytecodeOffset(exec, bytecodeOffset, followingOpcodeID)) {
- ASSERT(followingOpcodeID == op_construct || followingOpcodeID == op_instanceof);
- if (followingOpcodeID == op_construct)
- return createNotAConstructorError(exec, error->isNull() ? jsNull() : jsUndefined(), bytecodeOffset, codeBlock);
- return createInvalidParamError(exec, "instanceof", error->isNull() ? jsNull() : jsUndefined(), bytecodeOffset, codeBlock);
- }
+ return createError(globalObject, ASCIILiteral("Out of memory"));
+}
- int startOffset = 0;
- int endOffset = 0;
- int divotPoint = 0;
- int line = codeBlock->expressionRangeForBytecodeOffset(exec, bytecodeOffset, divotPoint, startOffset, endOffset);
- UString errorMessage = createErrorMessage(exec, codeBlock, line, divotPoint - startOffset, divotPoint, error->isNull() ? jsNull() : jsUndefined(), "not an object");
- JSObject* exception = Error::create(exec, TypeError, errorMessage, line, codeBlock->ownerExecutable()->sourceID(), codeBlock->ownerExecutable()->sourceURL());
- exception->putWithAttributes(exec, Identifier(exec, expressionBeginOffsetPropertyName), jsNumber(exec, divotPoint - startOffset), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionCaretOffsetPropertyName), jsNumber(exec, divotPoint), ReadOnly | DontDelete);
- exception->putWithAttributes(exec, Identifier(exec, expressionEndOffsetPropertyName), jsNumber(exec, divotPoint + endOffset), ReadOnly | DontDelete);
- return exception;
+JSObject* throwOutOfMemoryError(ExecState* exec)
+{
+ return throwError(exec, createOutOfMemoryError(exec->lexicalGlobalObject()));
+}
+
+JSObject* throwStackOverflowError(ExecState* exec)
+{
+ Interpreter::ErrorHandlingMode mode(exec);
+ return throwError(exec, createStackOverflowError(exec));
}
-JSValue throwOutOfMemoryError(ExecState* exec)
+JSObject* throwTerminatedExecutionException(ExecState* exec)
{
- return throwError(exec, GeneralError, "Out of memory");
+ Interpreter::ErrorHandlingMode mode(exec);
+ return throwError(exec, createTerminatedExecutionException(&exec->vm()));
}
} // namespace JSC
projects / apple / javascriptcore.git / blobdiff