/// <summary>
/// Emits a JavaScriptException.
/// </summary>
/// <param name="generator"> The IL generator. </param>
/// <param name="name"> The type of error to generate. </param>
/// <param name="message"> The error message. </param>
public static void EmitThrow(ILGenerator generator, string name, string message)
{
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString(name);
generator.LoadString(message);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
}
/// <summary>
/// Emits a JavaScriptException.
/// </summary>
/// <param name="generator"> The IL generator. </param>
/// <param name="name"> The type of error to generate. </param>
/// <param name="message"> The error message. </param>
public static void EmitThrow(ILGenerator generator, string name, string message)
{
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString(name);
generator.LoadString(message);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
}
/// <summary>
/// Emits a JavaScriptException.
/// </summary>
/// <param name="generator"> The IL generator. </param>
/// <param name="type"> The type of error to generate, e.g. Error, RangeError, etc. </param>
/// <param name="message"> The error message. </param>
/// <param name="path"> The path of the javascript source file that is currently executing. </param>
/// <param name="function"> The name of the currently executing function. </param>
/// <param name="line"> The line number of the statement that is currently executing. </param>
public static void EmitThrow(ILGenerator generator, ErrorType type, string message, string path, string function, int line)
{
generator.LoadEnumValue(type);
generator.LoadString(message);
generator.LoadInt32(line);
generator.LoadStringOrNull(path);
generator.LoadStringOrNull(function);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
}
/// <summary>
/// Generates CIL for the in operator.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
private void GenerateIn(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Emit the left-hand side expression and convert it to a string.
this.Left.GenerateCode(generator, optimizationInfo);
EmitConversion.ToString(generator, this.Left.ResultType);
// Store the left-hand side expression in a temporary variable.
var temp = generator.CreateTemporaryVariable(typeof(string));
generator.StoreVariable(temp);
// Emit the right-hand side expression.
this.Right.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, this.Right.ResultType);
// Check the right-hand side is a javascript object - if not, throw an exception.
generator.Duplicate();
generator.IsInstance(typeof(ObjectInstance));
var endOfTypeCheck = generator.CreateLabel();
generator.BranchIfTrue(endOfTypeCheck);
// Throw an nicely formatted exception.
var rightValue = generator.CreateTemporaryVariable(typeof(object));
generator.StoreVariable(rightValue);
generator.LoadEnumValue(ErrorType.TypeError);
generator.LoadString("The in operator expected an object, but found '{0}' instead");
generator.LoadInt32(1);
generator.NewArray(typeof(object));
generator.Duplicate();
generator.LoadInt32(0);
generator.LoadVariable(rightValue);
generator.Call(ReflectionHelpers.TypeUtilities_TypeOf);
generator.StoreArrayElement(typeof(object));
generator.Call(ReflectionHelpers.String_Format);
generator.LoadInt32(optimizationInfo.SourceSpan.StartLine);
generator.LoadStringOrNull(optimizationInfo.Source.Path);
generator.LoadStringOrNull(optimizationInfo.FunctionName);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
generator.DefineLabelPosition(endOfTypeCheck);
generator.ReleaseTemporaryVariable(rightValue);
generator.ReinterpretCast(typeof(ObjectInstance));
// Load the left-hand side expression from the temporary variable.
generator.LoadVariable(temp);
// Call ObjectInstance.HasProperty(object)
generator.Call(ReflectionHelpers.ObjectInstance_HasProperty);
// Allow the temporary variable to be reused.
generator.ReleaseTemporaryVariable(temp);
}
/// <summary>
/// Emits a JavaScriptException.
/// </summary>
/// <param name="generator"> The IL generator. </param>
/// <param name="name"> The type of error to generate. </param>
/// <param name="message"> The error message. </param>
/// <param name="path"> The path of the javascript source file that is currently executing. </param>
/// <param name="function"> The name of the currently executing function. </param>
/// <param name="line"> The line number of the statement that is currently executing. </param>
public static void EmitThrow(ILGenerator generator, string name, string message, string path, string function, int line)
{
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString(name);
generator.LoadString(message);
generator.LoadInt32(line);
generator.LoadStringOrNull(path);
generator.LoadStringOrNull(function);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
}
/// <summary>
/// Generates CIL for the instanceof operator.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
private void GenerateInstanceOf(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Emit the left-hand side expression and convert it to an object.
this.Left.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, this.Left.ResultType);
// Store the left-hand side expression in a temporary variable.
var temp = generator.CreateTemporaryVariable(typeof(object));
generator.StoreVariable(temp);
// Emit the right-hand side expression.
this.Right.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, this.Right.ResultType);
// Check the right-hand side is a function - if not, throw an exception.
generator.IsInstance(typeof(Library.FunctionInstance));
generator.Duplicate();
var endOfTypeCheck = generator.CreateLabel();
generator.BranchIfNotNull(endOfTypeCheck);
// Throw an nicely formatted exception.
var rightValue = generator.CreateTemporaryVariable(typeof(object));
generator.StoreVariable(rightValue);
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString("TypeError");
generator.LoadString("The instanceof operator expected a function, but found '{0}' instead");
generator.LoadInt32(1);
generator.NewArray(typeof(object));
generator.Duplicate();
generator.LoadInt32(0);
generator.LoadVariable(rightValue);
generator.Call(ReflectionHelpers.TypeUtilities_TypeOf);
generator.StoreArrayElement(typeof(object));
generator.Call(ReflectionHelpers.String_Format);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
generator.DefineLabelPosition(endOfTypeCheck);
generator.ReleaseTemporaryVariable(rightValue);
// Load the left-hand side expression from the temporary variable.
generator.LoadVariable(temp);
// Call FunctionInstance.HasInstance(object)
generator.Call(ReflectionHelpers.FunctionInstance_HasInstance);
// Allow the temporary variable to be reused.
generator.ReleaseTemporaryVariable(temp);
}
/// <summary>
/// Generates CIL for the statement.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Generate code for the start of the statement.
var statementLocals = new StatementLocals();
GenerateStartOfStatement(generator, optimizationInfo, statementLocals);
// Emit code to throw the given value.
this.Value.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, this.Value.ResultType);
generator.LoadInt32(0);
generator.LoadNull();
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Object);
generator.Throw();
// Generate code for the end of the statement.
GenerateEndOfStatement(generator, optimizationInfo, statementLocals);
}
/// <summary>
/// Generates CIL for the statement.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Generate code for the start of the statement.
var statementLocals = new StatementLocals();
GenerateStartOfStatement(generator, optimizationInfo, statementLocals);
// Emit code to throw the given value.
this.Value.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, this.Value.ResultType);
generator.LoadInt32(0);
generator.LoadNull();
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Object);
generator.Throw();
// Generate code for the end of the statement.
GenerateEndOfStatement(generator, optimizationInfo, statementLocals);
}
/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Note: we use GetRawOperand() so that grouping operators are not ignored.
var operand = this.GetRawOperand(0);
// There is only one operand, and it can be either a reference or a function call.
// We need to split the operand into a function and some arguments.
// If the operand is a reference, it is equivalent to a function call with no arguments.
if (operand is FunctionCallExpression)
{
// Emit the function instance first.
var function = ((FunctionCallExpression)operand).Target;
function.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, function.ResultType);
}
else
{
// Emit the function instance first.
operand.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, operand.ResultType);
}
// Check the object really is a function - if not, throw an exception.
generator.IsInstance(typeof(Library.FunctionInstance));
generator.Duplicate();
var endOfTypeCheck = generator.CreateLabel();
generator.BranchIfNotNull(endOfTypeCheck);
// Throw an nicely formatted exception.
var targetValue = generator.CreateTemporaryVariable(typeof(object));
generator.StoreVariable(targetValue);
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString("TypeError");
generator.LoadString("The new operator requires a function, found a '{0}' instead");
generator.LoadInt32(1);
generator.NewArray(typeof(object));
generator.Duplicate();
generator.LoadInt32(0);
generator.LoadVariable(targetValue);
generator.Call(ReflectionHelpers.TypeUtilities_TypeOf);
generator.StoreArrayElement(typeof(object));
generator.Call(ReflectionHelpers.String_Format);
generator.LoadInt32(optimizationInfo.SourceSpan.StartLine);
generator.LoadStringOrNull(optimizationInfo.Source.Path);
generator.LoadStringOrNull(optimizationInfo.FunctionName);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
generator.DefineLabelPosition(endOfTypeCheck);
generator.ReleaseTemporaryVariable(targetValue);
if (operand is FunctionCallExpression)
{
// Emit an array containing the function arguments.
((FunctionCallExpression)operand).GenerateArgumentsArray(generator, optimizationInfo);
}
else
{
// Emit an empty array.
generator.LoadInt32(0);
generator.NewArray(typeof(object));
}
// Call FunctionInstance.ConstructLateBound(argumentValues)
generator.Call(ReflectionHelpers.FunctionInstance_ConstructLateBound);
}
/// <summary>
/// Emits a JavaScriptException.
/// </summary>
/// <param name="generator"> The IL generator. </param>
/// <param name="name"> The type of error to generate. </param>
/// <param name="message"> The error message. </param>
/// <param name="path"> The path of the javascript source file that is currently executing. </param>
/// <param name="function"> The name of the currently executing function. </param>
/// <param name="line"> The line number of the statement that is currently executing. </param>
public static void EmitThrow(ILGenerator generator, string name, string message, string path, string function, int line)
{
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString(name);
generator.LoadString(message);
generator.LoadInt32(line);
generator.LoadStringOrNull(path);
generator.LoadStringOrNull(function);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
}
/// <summary>
/// Generates CIL for the in operator.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
private void GenerateIn(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Emit the left-hand side expression and convert it to a string.
this.Left.GenerateCode(generator, optimizationInfo);
EmitConversion.ToString(generator, this.Left.ResultType);
// Store the left-hand side expression in a temporary variable.
var temp = generator.CreateTemporaryVariable(typeof(string));
generator.StoreVariable(temp);
// Emit the right-hand side expression.
this.Right.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, this.Right.ResultType);
// Check the right-hand side is a javascript object - if not, throw an exception.
generator.IsInstance(typeof(Library.ObjectInstance));
generator.Duplicate();
var endOfTypeCheck = generator.CreateLabel();
generator.BranchIfNotNull(endOfTypeCheck);
// Throw an nicely formatted exception.
var rightValue = generator.CreateTemporaryVariable(typeof(object));
generator.StoreVariable(rightValue);
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString("TypeError");
generator.LoadString("The in operator expected an object, but found '{0}' instead");
generator.LoadInt32(1);
generator.NewArray(typeof(object));
generator.Duplicate();
generator.LoadInt32(0);
generator.LoadVariable(rightValue);
generator.Call(ReflectionHelpers.TypeUtilities_TypeOf);
generator.StoreArrayElement(typeof(object));
generator.Call(ReflectionHelpers.String_Format);
generator.LoadInt32(optimizationInfo.SourceSpan.StartLine);
generator.LoadStringOrNull(optimizationInfo.Source.Path);
generator.LoadStringOrNull(optimizationInfo.FunctionName);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
generator.DefineLabelPosition(endOfTypeCheck);
generator.ReleaseTemporaryVariable(rightValue);
// Load the left-hand side expression from the temporary variable.
generator.LoadVariable(temp);
// Call ObjectInstance.HasProperty(object)
generator.Call(ReflectionHelpers.ObjectInstance_HasProperty);
// Allow the temporary variable to be reused.
generator.ReleaseTemporaryVariable(temp);
}
/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Note: we use GetRawOperand() so that grouping operators are not ignored.
var operand = this.GetRawOperand(0);
// There is only one operand, and it can be either a reference or a function call.
// We need to split the operand into a function and some arguments.
// If the operand is a reference, it is equivalent to a function call with no arguments.
if (operand is FunctionCallExpression)
{
// Emit the function instance first.
var function = ((FunctionCallExpression)operand).Target;
function.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, function.ResultType);
}
else
{
// Emit the function instance first.
operand.GenerateCode(generator, optimizationInfo);
EmitConversion.ToAny(generator, operand.ResultType);
}
// Check the object really is a function - if not, throw an exception.
generator.IsInstance(typeof(Library.FunctionInstance));
generator.Duplicate();
var endOfTypeCheck = generator.CreateLabel();
generator.BranchIfNotNull(endOfTypeCheck);
// Throw an nicely formatted exception.
var targetValue = generator.CreateTemporaryVariable(typeof(object));
generator.StoreVariable(targetValue);
EmitHelpers.LoadScriptEngine(generator);
generator.LoadString("TypeError");
generator.LoadString("The new operator requires a function, found a '{0}' instead");
generator.LoadInt32(1);
generator.NewArray(typeof(object));
generator.Duplicate();
generator.LoadInt32(0);
generator.LoadVariable(targetValue);
generator.Call(ReflectionHelpers.TypeUtilities_TypeOf);
generator.StoreArrayElement(typeof(object));
generator.Call(ReflectionHelpers.String_Format);
generator.NewObject(ReflectionHelpers.JavaScriptException_Constructor_Error);
generator.Throw();
generator.DefineLabelPosition(endOfTypeCheck);
generator.ReleaseTemporaryVariable(targetValue);
if (operand is FunctionCallExpression)
{
// Emit an array containing the function arguments.
((FunctionCallExpression)operand).GenerateArgumentsArray(generator, optimizationInfo);
}
else
{
// Emit an empty array.
generator.LoadInt32(0);
generator.NewArray(typeof(object));
}
// Call FunctionInstance.ConstructLateBound(argumentValues)
generator.Call(ReflectionHelpers.FunctionInstance_ConstructLateBound);
}