internal JScriptException(JSError errorNumber, Context context)
{
this.errorNumber = errorNumber;
this.wrappedException = null;
this.context = context;
this.message = null;
}
internal JScriptException(JSError errorNumber, IndexSpan span, LocationResolver resolver) {
m_valueObject = null;
_span = span;
_resolver = resolver;
m_errorCode = errorNumber;
SetHResult();
}
internal void HandleError(JSError errorId, bool forceToError = false)
{
if ((errorId != JSError.UndeclaredVariable && errorId != JSError.UndeclaredFunction) || !Document.HasAlreadySeenErrorFor(Code))
{
var severity = GetSeverity(errorId);
var errorMessage = GetErrorString(errorId);
var context = this.ErrorSegment;
if (!context.IsNullOrWhiteSpace())
{
errorMessage += CommonStrings.ContextSeparator + context;
}
var error = new UglifyError()
{
IsError = forceToError || severity < 2,
File = Document.FileContext,
Severity = severity,
Subcategory = UglifyError.GetSubcategory(severity),
ErrorNumber = (int)errorId,
ErrorCode = "JS{0}".FormatInvariant((int)errorId),
StartLine = this.StartLineNumber,
StartColumn = this.StartColumn + 1,
EndLine = this.EndLineNumber,
EndColumn = this.EndColumn + 1,
Message = errorMessage,
};
Document.HandleError(error);
}
}
internal JScriptException(JSError errorNumber, Context context)
{
m_valueObject = Missing.Value;
m_context = (context == null ? null : context.Clone());
m_fileContext = (context == null ? null : context.Document.FileContext);
m_code = HResult = unchecked((int)(0x800A0000 + (int)errorNumber));
}
internal JScriptException(JSError errorNumber, Context context)
{
this.errorNumber = errorNumber;
this.wrappedException = null;
this.context = context;
this.message = null;
}
internal JScriptException(JSError errorNumber, Context context)
{
m_valueObject = Missing.Value;
m_context = (context == null ? null : context.Clone());
m_fileContext = (context == null ? null : context.FileContext);
m_code = HResult = unchecked ((int)(0x800A0000 + (int)errorNumber));
}
internal JScriptException(JSError errorNumber, Context context)
{
m_valueObject = null;
m_context = (context == null ? null : context.Clone());
m_fileContext = (context == null ? null : context.Document.FileContext);
m_errorCode = errorNumber;
SetHResult();
}
public JScriptException(string message, Exception innerException)
: base(message, innerException)
{
m_valueObject = message;
m_context = null;
m_fileContext = null;
m_errorCode = JSError.UncaughtException;
SetHResult();
}
protected ScannerException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
m_errorId = (JSError)Enum.Parse(typeof(JSError), info.GetString("errorid"));
}
protected ScannerException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
m_errorId = (JSError)Enum.Parse(typeof(JSError), info.GetString("errorid"));
}
protected JScriptException(SerializationInfo info, StreamingContext context)
: base(info, context) {
if (info == null) {
throw new ArgumentException(JScript.InternalCompilerError);
}
m_valueObject = info.GetString("Value");
m_isError = info.GetBoolean("IsError");
m_errorCode = (JSError)info.GetInt32("JSError");
m_canRecover = info.GetBoolean("CanRecover");
}
internal void HandleError(JSError errorId, IndexSpan span, LocationResolver resolver, bool forceToError = false) {
var error = new JScriptException(errorId, span, resolver);
if (forceToError) {
error.IsError = true;
} else {
error.IsError = error.Severity < 2;
}
if (!OnCompilerError(error)) {
}
}
/// <summary>
/// Return the default severity for a given JSError value
/// guide: 0 == there will be a run-time error if this code executes
/// 1 == the programmer probably did not intend to do this
/// 2 == this can lead to cross-browser or future problems.
/// 3 == this can lead to performance problems
/// 4 == this is just not right
/// </summary>
/// <param name="errorCode">error code</param>
/// <returns>severity</returns>
private static int GetSeverity(JSError errorCode)
{
switch (errorCode)
{
case JSError.AmbiguousCatchVar:
case JSError.AmbiguousNamedFunctionExpression:
case JSError.ExportNotAtModuleLevel:
case JSError.NumericOverflow:
case JSError.StrictComparisonIsAlwaysTrueOrFalse:
return(1);
case JSError.ArrayLiteralTrailingComma:
case JSError.DuplicateCatch:
case JSError.DuplicateConstantDeclaration:
case JSError.DuplicateLexicalDeclaration:
case JSError.HighSurrogate:
case JSError.KeywordUsedAsIdentifier:
case JSError.LowSurrogate:
case JSError.MisplacedFunctionDeclaration:
case JSError.ObjectLiteralKeyword:
return(2);
case JSError.ArgumentNotReferenced:
case JSError.DuplicateName:
case JSError.FunctionNotReferenced:
case JSError.UndeclaredFunction:
case JSError.UndeclaredVariable:
case JSError.VariableDefinedNotReferenced:
return(3);
case JSError.FunctionNameMustBeIdentifier:
case JSError.ObjectConstructorTakesNoArguments:
case JSError.OctalLiteralsDeprecated:
case JSError.NewLineNotAllowed:
case JSError.NoModuleExport:
case JSError.NumericMaximum:
case JSError.NumericMinimum:
case JSError.SemicolonInsertion:
case JSError.StatementBlockExpected:
case JSError.SuspectAssignment:
case JSError.SuspectEquality:
case JSError.SuspectSemicolon:
case JSError.UnusedLabel:
case JSError.WithNotRecommended:
return(4);
default:
// all others
return(0);
}
}
// constructor
public ContextError(bool isError, int severity, string subcategory, JSError errorCode, string helpKeyword, int startLine, int startColumn, int endLine, int endColumn, string message)
{
// transfer the values as-is
IsError = isError;
Severity = severity;
Subcategory = subcategory;
ErrorCode = errorCode;
HelpKeyword = helpKeyword;
StartLine = startLine;
StartColumn = startColumn;
EndLine = endLine;
EndColumn = endColumn;
Message = message;
}
// constructor
public ContextError(bool isError, int severity, string subcategory, JSError errorCode, string helpKeyword, int startLine, int startColumn, int endLine, int endColumn, string message)
{
// transfer the values as-is
IsError = isError;
Severity = severity;
Subcategory = subcategory;
ErrorCode = errorCode;
HelpKeyword = helpKeyword;
StartLine = startLine;
StartColumn = startColumn;
EndLine = endLine;
EndColumn = endColumn;
Message = message;
}
internal void HandleError(JSError errorId, IndexSpan span, LocationResolver resolver, bool forceToError = false)
{
var error = new JScriptException(errorId, span, resolver);
if (forceToError)
{
error.IsError = true;
}
else
{
error.IsError = error.Severity < 2;
}
if (!OnCompilerError(error))
{
}
}
internal JScriptException(Object value)
{
this.wrappedException = value;
if (value is StackOverflowException)
{
this.errorNumber = JSError.OutOfStack;
}
else if (value is OutOfMemoryException)
{
this.errorNumber = JSError.OutOfMemory;
}
else
{
this.errorNumber = JSError.UncaughtException;
}
this.context = null;
this.message = null;
}
// Parse an invalid number.
private void TestInvalidNum(String value, JSError expected)
{
JSScanner scanner;
Context token;
scanner = JSScannerTest.TestCreateScanner(value);
token = JSScannerTest.TestGetTokenContext(scanner);
try
{
scanner.GetNextToken();
Fail("TestInvalidNum[" + value + "] (1)");
}
catch (Exception e)
{
AssertEquals("TestNum[" + value + "] (2)", expected,
JSScannerTest.TestExtractError(e));
}
}
internal JScriptException(Object value)
{
this.wrappedException = value;
if(value is StackOverflowException)
{
this.errorNumber = JSError.OutOfStack;
}
else if(value is OutOfMemoryException)
{
this.errorNumber = JSError.OutOfMemory;
}
else
{
this.errorNumber = JSError.UncaughtException;
}
this.context = null;
this.message = null;
}
internal void HandleError(JSError errorId, bool forceToError)
{
if ((errorId != JSError.UndeclaredVariable && errorId != JSError.UndeclaredFunction) || !Document.HasAlreadySeenErrorFor(Code))
{
var error = new JScriptException(errorId, this);
if (forceToError)
{
error.IsError = true;
}
else
{
error.IsError = error.Severity < 2;
}
Document.HandleError(error);
}
}
/// <summary>
/// Return the default severity for a given JSError value
/// guide: 0 == there will be a run-time error if this code executes
/// 1 == the programmer probably did not intend to do this
/// 2 == this can lead to cross-browser of future problems.
/// 3 == this can lead to performance problems
/// 4 == this is just not right
/// </summary>
/// <param name="errorCode">error code</param>
/// <returns>severity</returns>
public static int GetSeverity(JSError errorCode)
{
switch (errorCode)
{
case JSError.AmbiguousCatchVar:
case JSError.AmbiguousNamedFunctionExpression:
case JSError.NumericOverflow:
case JSError.StrictComparisonIsAlwaysTrueOrFalse:
return 1;
case JSError.DuplicateCatch:
case JSError.DuplicateConstantDeclaration:
case JSError.DuplicateLexicalDeclaration:
case JSError.KeywordUsedAsIdentifier:
case JSError.MisplacedFunctionDeclaration:
case JSError.ObjectLiteralKeyword:
return 2;
case JSError.ArgumentNotReferenced:
case JSError.DuplicateName:
case JSError.FunctionNotReferenced:
case JSError.UndeclaredFunction:
case JSError.UndeclaredVariable:
case JSError.VariableDefinedNotReferenced:
return 3;
case JSError.StatementBlockExpected:
case JSError.SuspectAssignment:
case JSError.SuspectSemicolon:
case JSError.SuspectEquality:
case JSError.WithNotRecommended:
case JSError.ObjectConstructorTakesNoArguments:
case JSError.NumericMaximum:
case JSError.NumericMinimum:
case JSError.OctalLiteralsDeprecated:
case JSError.FunctionNameMustBeIdentifier:
case JSError.SemicolonInsertion:
return 4;
default:
// all others
return 0;
}
}
internal void HandleError(JSError errorId, string message, bool treatAsError)
{
if ((errorId != JSError.UndeclaredVariable) || !this.document.HasAlreadySeenErrorFor(this.GetCode()))
{
JScriptException error = new JScriptException(errorId, this);
if (message != null)
{
error.value = message;
}
if (treatAsError)
{
error.isError = treatAsError;
}
int severity = error.Severity;
if (severity < this.errorReported)
{
this.document.HandleError(error);
this.errorReported = severity;
}
}
}
internal void HandleError(JSError errorId, String message, bool treatAsError)
{
if ((errorId == JSError.UndeclaredVariable || errorId == JSError.UndeclaredFunction) && Document.HasAlreadySeenErrorFor(Code))
{
return;
}
JScriptException error = new JScriptException(errorId, this);
if (message != null)
{
error.Value = message;
}
if (treatAsError)
{
error.IsError = treatAsError;
}
int sev = error.Severity;
if (sev < m_errorReported)
{
Document.HandleError(error);
m_errorReported = sev;
}
}
private int code; // This is same as base.HResult. We have this so that the debuugger can get the
// error code without doing a func-eval ( to evaluate the HResult property )
public JScriptException(JSError errorNumber)
:this(errorNumber, null){
}
protected JScriptException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
if (info == null)
{
throw new ArgumentException(JScript.InternalCompilerError);
}
m_valueObject = info.GetString("Value");
m_isError = info.GetBoolean("IsError");
m_errorCode = (JSError)info.GetInt32("JSError");
m_canRecover = info.GetBoolean("CanRecover");
m_fileContext = info.GetString("FileContext");
}
public JScriptException(string message, Exception innerException)
: base(message, innerException)
{
m_valueObject = message;
m_context = null;
m_fileContext = null;
m_errorCode = JSError.UncaughtException;
SetHResult();
}
internal ScannerException(JSError errorId) : base ("Syntax Error"){
m_errorId = errorId;
}
public ScannerException()
{
m_errorId = JSError.SyntaxError;
}
internal JScriptException (string user_err)
{
error_number = JSError.NoError;
user_error = user_err;
}
public JScriptException (JSError errorNumber)
{
error_number = errorNumber;
}
//---------------------------------------------------------------------------------------
// ForceReportInfo
//
// Generate a parser error (info), does not change the error state in the parse
//---------------------------------------------------------------------------------------
private static void ForceReportInfo(Context context, JSError errorId)
{
Debug.Assert(context != null);
context.HandleError(errorId);
}
internal void HandleError(JSError errorId)
{
HandleError(errorId, null, false);
}
public JScriptException(JSError errorNumber)
{
}
public JScriptException(JSError errorNumber) : this(errorNumber, null)
{
}
//---------------------------------------------------------------------------------------
// EOFError
//
// Create a context for EOF error. The created context points to the end of the source
// code. Assume the the scanner actually reached the end of file
//---------------------------------------------------------------------------------------
private void EOFError(JSError errorId)
{
Context eofCtx = m_sourceContext.Clone();
eofCtx.StartLineNumber = m_scanner.CurrentLine;
eofCtx.EndLineNumber = eofCtx.StartLineNumber;
eofCtx.StartLinePosition = m_scanner.StartLinePosition;
eofCtx.EndLinePosition = eofCtx.StartLinePosition;
eofCtx.StartPosition = m_sourceContext.EndPosition;
eofCtx.EndPosition++;
eofCtx.HandleError(errorId);
}
public JScriptException(JSError errorNumber) {}
//---------------------------------------------------------------------------------------
// ForceReportInfo
//
// Generate a parser error (info), does not change the error state in the parse
//---------------------------------------------------------------------------------------
private void ForceReportInfo(JSError errorId)
{
ForceReportInfo(m_currentToken.Clone(), errorId);
}
private void HandleError(JSError error){
if (!this.IsAuthoring)
this.currentToken.HandleError(error);
}
public static string GetErrorString(JSError errorCode)
{
return(JScript.ResourceManager.GetString(errorCode.ToString(), JScript.Culture));
}
internal JScriptException (JSError errorNumber, string extraData)
{
error_number = errorNumber;
extra_data = extraData;
}
//---------------------------------------------------------------------------------------
// ReportError
//
// Generate a parser error.
// The function is told whether or not next call to GetToken() should return the same
// token or not
//---------------------------------------------------------------------------------------
private void ReportError(JSError errorId, Context context, bool skipToken)
{
Debug.Assert(context != null);
int previousSeverity = m_severity;
m_severity = (new JScriptException(errorId)).Severity;
// EOF error is special and it's the last error we can possibly get
if (JSToken.EndOfFile == context.Token)
EOFError(errorId); // EOF context is special
else
{
// report the error if not in error condition and the
// error for this token is not worse than the one for the
// previous token
if (m_goodTokensProcessed > 0 || m_severity < previousSeverity)
context.HandleError(errorId);
// reset proper info
if (skipToken)
m_goodTokensProcessed = -1;
else
{
m_errorToken = m_currentToken;
m_goodTokensProcessed = 0;
}
}
}
internal ScannerException(JSError errorId)
: base(s_syntaxErrorMsg)
{
m_errorId = errorId;
}
//---------------------------------------------------------------------------------------
// ReportError
//
// Generate a parser error.
// When no context is provided the token is missing so the context is the current position
// The function is told whether or not next call to GetToken() should return the same
// token or not
//---------------------------------------------------------------------------------------
private void ReportError(JSError errorId, bool skipToken)
{
// get the current position token
Context context = m_currentToken.Clone();
context.EndPosition = context.StartPosition + 1;
ReportError(errorId, context, skipToken);
}
public ScannerException(string message, Exception innerException)
: base(message, innerException)
{
m_errorId = JSError.SyntaxError;
}
//---------------------------------------------------------------------------------------
// ReportError
//
// Generate a parser error.
// When no context is provided the token is missing so the context is the current position
//---------------------------------------------------------------------------------------
private void ReportError(JSError errorId)
{
ReportError(errorId, false);
}
public ErrorResult(string message, SourceSpan span, JSError errorCode)
{
_message = message;
_span = span;
_errorCode = errorCode;
}
internal JScriptException(string user_err)
{
error_number = JSError.NoError;
user_error = user_err;
}
internal JScriptException(JSError errorNumber, Context context)
{
m_valueObject = null;
m_context = (context == null ? null : context.Clone());
m_fileContext = (context == null ? null : context.Document.FileContext);
m_errorCode = errorNumber;
SetHResult();
}
internal JScriptException(JSError errorNumber, string extraData)
{
error_number = errorNumber;
extra_data = extraData;
}
/// <summary>
/// Return the default severity for a given JSError value
/// guide: 0 == there will be a run-time error if this code executes
/// 1 == the programmer probably did not intend to do this
/// 2 == this can lead to cross-browser of future problems.
/// 3 == this can lead to performance problems
/// 4 == this is just not right
/// </summary>
/// <param name="errorCode">error code</param>
/// <returns>severity</returns>
public static int GetSeverity(JSError errorCode)
{
switch (errorCode)
{
case JSError.AmbiguousCatchVar:
case JSError.AmbiguousNamedFunctionExpression:
case JSError.NumericOverflow:
case JSError.StrictComparisonIsAlwaysTrueOrFalse:
return 1;
case JSError.DuplicateCatch:
case JSError.DuplicateConstantDeclaration:
case JSError.DuplicateLexicalDeclaration:
case JSError.KeywordUsedAsIdentifier:
case JSError.MisplacedFunctionDeclaration:
case JSError.ObjectLiteralKeyword:
return 2;
case JSError.ArgumentNotReferenced:
case JSError.DuplicateName:
case JSError.FunctionNotReferenced:
case JSError.UndeclaredFunction:
case JSError.UndeclaredVariable:
case JSError.VariableDefinedNotReferenced:
return 3;
case JSError.StatementBlockExpected:
case JSError.SuspectAssignment:
case JSError.SuspectSemicolon:
case JSError.SuspectEquality:
case JSError.WithNotRecommended:
case JSError.ObjectConstructorTakesNoArguments:
case JSError.NumericMaximum:
case JSError.NumericMinimum:
case JSError.OctalLiteralsDeprecated:
case JSError.FunctionNameMustBeIdentifier:
case JSError.SemicolonInsertion:
return 4;
default:
// all others
return 0;
}
}
public JScriptException(JSError errorNumber)
{
error_number = errorNumber;
}
internal JScriptException(JSError errorNumber, Context context){
this.value = Missing.Value;
this.context = context;
this.code = this.HResult = unchecked((int)(0x800A0000 + (int)errorNumber));
}
// Parse an invalid number.
private void TestInvalidNum(String value, JSError expected)
{
JSScanner scanner;
Context token;
scanner = JSScannerTest.TestCreateScanner(value);
token = JSScannerTest.TestGetTokenContext(scanner);
try
{
scanner.GetNextToken();
Fail("TestInvalidNum[" + value + "] (1)");
}
catch(Exception e)
{
AssertEquals("TestNum[" + value + "] (2)", expected,
JSScannerTest.TestExtractError(e));
}
}
private void HandleError(JSError error)
{
m_currentToken.EndPosition = m_currentPos;
m_currentToken.EndLinePosition = StartLinePosition;
m_currentToken.EndLineNumber = CurrentLine;
m_currentToken.HandleError(error);
}
internal ScannerException(JSError errorId)
: base(s_syntaxErrorMsg)
{
m_errorId = errorId;
}
internal void HandleError(JSError errorId, bool treatAsError)
{
HandleError(errorId, null, treatAsError);
}
public ScannerException()
{
m_errorId = JSError.SyntaxError;
}
public void RunErrorTest(params JSError[] expectedErrorArray)
{
// open the stack trace for this call
StackTrace stackTrace = new StackTrace();
string testClass = null;
string testName = null;
// save the name of the current method (RunTest)
string currentMethodName = MethodInfo.GetCurrentMethod().Name;
// loop from the previous frame up until we get a method name that is not the
// same as the current method name
for (int ndx = 1; ndx < stackTrace.FrameCount; ++ndx)
{
// get the frame
StackFrame stackFrame = stackTrace.GetFrame(ndx);
// we have different entry points with the same name -- we're interested
// in the first one that ISN'T the same name as our method
MethodBase methodBase = stackFrame.GetMethod();
if (methodBase.Name != currentMethodName)
{
// the calling method's name is the test name - we use this as-is for the output file name
// and we use any portion before an underscore as the input file
testName = methodBase.Name;
// get the method's class - we use this as the subfolder under input/output/expected
testClass = methodBase.DeclaringType.Name;
break;
}
}
// we definitely should be able to find a function on the stack frame that
// has a different name than this function, but just in case...
Debug.Assert(testName != null && testClass != null, "Couldn't locate calling stack frame");
// the input file is the portion of the test name before the underscore (if any)
string inputFile = testName.Split('_')[0];
// get the input path
string inputPath = GetJsPath(
m_inputFolder,
testClass,
inputFile,
false
);
Assert.IsTrue(File.Exists(inputPath), "Input File does not exist: {0}", inputPath);
// read the input JS
string jsSource;
using (StreamReader reader = new StreamReader(inputPath, true))
{
jsSource = reader.ReadToEnd();
}
Trace.Write("INPUT FILE: ");
Trace.WriteLine(inputPath);
Trace.WriteLine(jsSource);
/*int expectedErrorCode = (int)(0x800A0000 + (int)expectedError);
* Trace.WriteLine(string.Empty);
* Trace.WriteLine(string.Format("Expecting error 0x{0:X}", expectedErrorCode));*/
bool testPassed = true;
List <JSError> expectedErrorList = new List <JSError>(expectedErrorArray);
ErrorTrap errorTrap = new ErrorTrap();
string crunchedCode = errorTrap.RunTest(jsSource);
JScriptException[] errors = errorTrap.Errors;
Trace.WriteLine(string.Empty);
Trace.WriteLine("---ERRORS---");
Trace.Indent();
foreach (JScriptException ex in errors)
{
// log the error
Trace.WriteLine(string.Empty);
Trace.WriteLine(string.Format("Error 0x{0:X} at Line {1}, Column {2}: {3}", ex.Error, ex.Line, ex.Column, ex.ErrorSegment));
Trace.Indent();
Trace.WriteLine(ex.Message);
JSError errorCode = (JSError)(ex.Error & 0xffff);
int index = expectedErrorList.IndexOf(errorCode);
if (index >= 0)
{
// expected error -- remove it from the list so we can tell what we're missing later
expectedErrorList.RemoveAt(index);
}
else
{
// unexpected error
testPassed = false;
Trace.WriteLine("UNEXPECTED");
}
Trace.Unindent();
}
Trace.Unindent();
// the list should be empty now -- if it isn't, then there was an expected error that didn't happen
if (expectedErrorList.Count > 0)
{
testPassed = false;
Trace.WriteLine(string.Empty);
Trace.WriteLine("---MISSING ERRORS---");
Trace.Indent();
foreach (JSError jsError in expectedErrorList)
{
Trace.WriteLine(jsError.ToString());
}
Trace.Unindent();
}
if (!testPassed)
{
Trace.WriteLine("UNEXPECTED ERROR RESULTS");
}
Trace.WriteLine(string.Empty);
Trace.WriteLine("---Resulting Code---");
Trace.WriteLine(crunchedCode);
// compute the path to the expected file
string expectedPath = GetJsPath(
m_expectedFolder,
testClass,
testName,
false
);
if (File.Exists(expectedPath))
{
string expectedCode;
using (StreamReader reader = new StreamReader(expectedPath, true))
{
expectedCode = reader.ReadToEnd();
}
Trace.WriteLine(string.Empty);
Trace.WriteLine("---Expected Code---");
Trace.WriteLine(expectedCode);
if (string.CompareOrdinal(expectedCode, crunchedCode) != 0)
{
Trace.WriteLine("EXPECTED OUTPUT IS DIFFERENT");
testPassed = false;
}
}
Assert.IsTrue(testPassed, "Test failed");
}
public ScannerException(string message, Exception innerException)
: base(message, innerException)
{
m_errorId = JSError.SyntaxError;
}