public override void GenerateCode(MethodBodyGenerator generator)
{
foreach (var declaration in DeclarationExpressions)
{
declaration.GenerateCode(generator, MethodCompileOption.None);
}
}
void IMember.Compile()
{
var bodyGen = new MethodBodyGenerator(this, builder.GetILGenerator());
foreach (FieldGenerator generator in Declaring.Members.Where(mem => mem.MemberType == System.Reflection.MemberTypes.Field && mem.IsStatic == IsStatic))
{
if (generator.DefaultValue != null)
{
if (IsStatic == false)
{
bodyGen.LoadArgument(0);
}
generator.MethodBody = bodyGen;
((IMember)generator).Compile();
generator.DefaultValue.GenerateCode(bodyGen, Expression.AssignOption);
bodyGen.StoreField(generator.FieldInfo);
}
}
if (IsStatic == false && Declaring.IsClass)
{
// if not call to super or this call
if (!(SyntaxBody is BlockStatement body && body.Statements.Count > 0 && body.Statements[0] is ExpressionStatement statement && statement.Expression is InvocationExpression exp && (exp.Target.NodeType == ExpressionType.Super || exp.Target.NodeType == ExpressionType.This)))
{
var baseCtor = Declaring.BaseType.GetConstructor(new System.Type[0]);
bodyGen.LoadArgument(0);
bodyGen.Call(baseCtor);
}
}
bodyGen.Compile();
}
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption options)
{
// Find the result type.
var resultType = Type;
var firstType = Second.Type;
var secondType = Third.Type;
First.GenerateCode(generator, MethodCompileOption.Return);
if (Conversions != null && Conversions.Count > 0)
{
generator.EmitConvert(Conversions[0]);
}
// Branch if the condition is false.
var startOfElse = generator.CreateLabel();
generator.BranchIfFalse(startOfElse);
Second.GenerateCode(generator, options);
if (resultType != firstType)
{
generator.Call(ExpressionConversion);
}
// Branch to the end.
var end = generator.CreateLabel();
generator.Branch(end);
generator.DefineLabelPosition(startOfElse);
Third.GenerateCode(generator, options);
if (resultType != secondType)
{
generator.Call(ExpressionConversion);
}
generator.DefineLabelPosition(end);
}
public void GenerateGet(Expression target, MethodBodyGenerator generator, MethodCompileOption option)
{
if ((option & MethodCompileOption.EmitStartAddress) == MethodCompileOption.EmitStartAddress && parameter.Type.IsValueType)
{
if (generator.Method.IsStatic)
{
generator.LoadAddressOfArgument(parameter.Index);
}
else
{
generator.LoadAddressOfArgument(parameter.Index + 1);
}
}
else
{
if (generator.Method.IsStatic)
{
generator.LoadArgument(parameter.Index);
}
else
{
generator.LoadArgument(parameter.Index + 1);
}
}
}
public void GenerateSet(Expression value, MethodBodyGenerator generator, MethodCompileOption option)
{
var iLVariable = generator.GetLocalVariable(key.Name);
if (iLVariable != null)
{
generator.LoadVariable(iLVariable);
}
}
public void AutoBodyTest()
{
var generator = new MethodBodyGenerator();
var bodyData = new BodyData()
{
IsAuto = true, Body = "ShouldBeIgnored"
};
var result = generator.Generate(bodyData);
Assert.AreEqual(";", result);
}
/// <inheritdoc/>
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption options)
{
//todo unsigned to signed
switch (Value)
{
case sbyte _:
generator.LoadByte((sbyte)Value);
generator.NewObject(Utils.ReflectionHelpers.Byte_New);
break;
case short _:
generator.LoadInt16((short)Value);
generator.NewObject(Utils.ReflectionHelpers.Short_New);
break;
case int _:
generator.LoadInt32((int)Value);
generator.NewObject(Utils.ReflectionHelpers.Integer_New);
break;
case long _:
generator.LoadInt64((long)Value);
generator.NewObject(Utils.ReflectionHelpers.Long_New);
break;
case float _:
generator.LoadSingle((float)Value);
generator.NewObject(Utils.ReflectionHelpers.Float_New);
break;
case double _:
generator.LoadDouble((double)Value);
generator.NewObject(Utils.ReflectionHelpers.Double_New);
break;
case bool value:
generator.LoadField(value ? Utils.ReflectionHelpers.Bool_True : Utils.ReflectionHelpers.Bool_False);
break;
case char _:
generator.LoadChar((char)Value);
generator.NewObject(Utils.ReflectionHelpers.Char_New);
break;
case string _:
generator.LoadString(Value.ToString());
generator.NewObject(Utils.ReflectionHelpers.String_New);
break;
case null:
generator.LoadNull();
break;
}
}
public void NonAutoNullBodyTest()
{
var generator = new MethodBodyGenerator();
var bodyData = new BodyData()
{
IsAuto = false, Body = ""
};
var result = generator.Generate(bodyData);
Assert.AreEqual("{ }", result);
}
public void GenerateSet(Expression value, MethodBodyGenerator generator, MethodCompileOption option)
{
if (generator.Method.IsStatic)
{
generator.StoreArgument(parameter.Index);
}
else
{
generator.StoreArgument(parameter.Index + 1);
}
}
/// <inheritdoc/>
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption option)
{
// for static no binder
if (Binder != null)
{
if ((Binder.Attributes & Binders.BindingAttributes.HasThis) != 0)
{
generator.LoadArgument(0);
}
Binder.GenerateGet(null, generator, option);
}
}
public void GenerateGet(Expression target, MethodBodyGenerator generator, MethodCompileOption option)
{
if ((option & MethodCompileOption.EmitStartAddress) == MethodCompileOption.EmitStartAddress &&
variable.Type.IsValueType)
{
generator.LoadAddressOfVariable(variable);
}
else
{
generator.LoadVariable(variable);
}
}
public void GenerateGet(Expression target, MethodBodyGenerator generator, MethodCompileOption option)
{
if ((option & MethodCompileOption.EmitStartAddress) == MethodCompileOption.EmitStartAddress && property.PropertyType.IsValueType)
{
var temp = generator.CreateTemporaryVariable(Type);
generator.Call(Getter);
generator.StoreVariable(temp);
generator.LoadAddressOfVariable(temp);
return;
}
generator.Call(Getter);
}
/// <inheritdoc/>
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption options)
{
if (Arguments != null)
{
var conversions = ArgumentConversions;
for (int i = 0; i < Arguments.Count; i++)
{
Arguments[i].GenerateCode(generator);
var conversion = conversions[i];
if (conversion != null)
{
generator.EmitConvert(conversion);
}
}
}
generator.NewObject(Constructor);
int length = Expressions.Count;
if (length > 0)
{
var variable = generator.DeclareVariable(Type);
generator.StoreVariable(variable);
generator.LoadVariable(variable);
var conversions = ArrayConversions;
generator.LoadInt32(length);
Type type = ElementType;
generator.NewArray(type);
for (int i = 0; i < length; i++)
{
generator.Duplicate();
generator.LoadInt32(i);
var expression = Expressions[i];
expression.GenerateCode(generator);
if (expression.Type.IsValueType && type.IsValueType == false)
{
generator.Box(expression.Type);
}
var convertion = conversions[i];
if (convertion != null)
{
generator.EmitConvert(convertion);
}
generator.StoreArrayElement(type);
}
var m = Type.GetMethod("AddRange", Utils.ReflectionUtils.PublicInstance);
generator.Call(m);
generator.LoadVariable(variable);
}
}
public void GenerateSet(Expression value, MethodBodyGenerator generator, MethodCompileOption option)
{
if ((option & MethodCompileOption.Dupplicate) == 0)
{
generator.Call(Setter);
return;
}
generator.Duplicate();
var temp = generator.CreateTemporaryVariable(value.Type);
generator.StoreVariable(temp);
generator.Call(Setter);
generator.LoadVariable(temp);
}
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption options)
{
if (Target.Type.IsValueType)
{
options |= MethodCompileOption.EmitStartAddress;
}
Target.GenerateCode(generator, options);
Arguments.ForEach((arg, index) =>
{
arg.GenerateCode(generator);
generator.EmitConvert(Conversions[index]);
});
// todo indexer parmas argument convert
generator.Call(Getter);
}
public void GenerateGet(Expression target, MethodBodyGenerator generator, MethodCompileOption option = MethodCompileOption.None)
{
if (target != null && target.Type.IsValueType)
{
generator.Box(target.Type);
}
generator.LoadString(Name);
generator.Call(typeof(IDynamicInvocable).GetInstanceMethod(nameof(IDynamicInvocable.SafeGetValue), typeof(string)));
// since it is a value type load the address
if ((option & MethodCompileOption.EmitStartAddress) == MethodCompileOption.EmitStartAddress)
{
var temp = generator.DeclareVariable(TypeProvider.AnyType);
generator.StoreVariable(temp);
generator.LoadAddressOfVariable(temp);
}
}
System.Delegate Compile(TypeContext context, System.Type returnType, System.Type[] types, ParameterInfo[] parameters, System.Type delType)
{
var names = Parameters.Map(para => para.Name).AddFirst("closure");
// Emit First Argument
var lamdaVisit = new LamdaVisitor(names);
Body.Accept(lamdaVisit);
var parameterTypes = types.AddFirst(typeof(Runtime.Closure));
var method = new System.Reflection.Emit.DynamicMethod(Name, returnType, parameterTypes, true);
var methodGen = new Generators.DynamicMethodGenerator(method, parameters, null)
{
SyntaxBody = Body,
Context = context
};
methodGen.EmitParameterInfo();
var bodyGen = new MethodBodyGenerator(methodGen, method.GetILGenerator());
object[] values = new object[lamdaVisit.HoistedLocals.Count];
if (values.Length > 0)
{
int index = 0;
var field = typeof(Runtime.Closure).GetField("Values");
foreach (var item in lamdaVisit.HoistedLocals)
{
var value = item.Value;
values[index] = value.Accept(ScriptCompiler.Instance);
// if binder is null variable or member may not exist
if (value.NodeType == ExpressionType.Identifier && ((NameExpression)value).Binder is null)
{
continue;
}
var variable = bodyGen.DeclareVariable(value.Type, item.Key);
// load closure argument
bodyGen.LoadArgument(0);
bodyGen.LoadField(field);
bodyGen.LoadInt32(index);
bodyGen.LoadArrayElement(typeof(object));
bodyGen.UnboxObject(value.Type);
bodyGen.StoreVariable(variable);
index++;
}
}
bodyGen.Compile();
return(method.CreateDelegate(delType, new Runtime.Closure(values)));
}
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption option)
{
if (Method.IsAbstract && Method.DeclaringType == typeof(IDynamicInvocable))
{
Target.GenerateCode(generator);
if (Target.Type.IsValueType)
{
generator.Box(Target.Type);
}
}
else
{
Target.GenerateCode(generator, MethodCompileOption.EmitStartAddress);
}
if (Target.NodeType == ExpressionType.MemberAccess)
{
MemberExpression target = (MemberExpression)Target;
if (target.Target.Type.IsValueType)
{
switch (target.Target.NodeType)
{
case ExpressionType.Indexer:
case ExpressionType.MemberAccess:
var temp = generator.DeclareVariable(target.Target.Type);
generator.StoreVariable(temp);
generator.LoadAddressOfVariable(temp);
break;
}
}
}
else if (Target.NodeType == ExpressionType.Identifier)
{
// if it an identifier expression this might be local member call
var exp = (NameExpression)Target;
if (exp.Binder == null && Method.IsStatic == false)
{
generator.LoadArgument(0);
}
}
generator.EmitArguments(Arguments, Conversions);
generator.Call(Method);
// if current value must not be returned for assigment
if ((option & MethodCompileOption.Return) == 0 && Type is object && Type != TypeProvider.VoidType)
{
generator.Pop();
}
}
///<inheritdoc/>
public override void GenerateCode(MethodBodyGenerator generator)
{
var statementLocals = new StatementLocals()
{
NonDefaultSourceSpanBehavior = true
};
GenerateStartOfStatement(generator, statementLocals);
if (Statements.Count == 0)
{
generator.NoOperation();
}
for (int index = 0; index < Statements.Count; index++)
{
Statements[index].GenerateCode(generator);
}
GenerateEndOfStatement(generator, statementLocals);
}
public static void MakeObjectArray(MethodBodyGenerator generator, ICollection <Expression> expressions)
{
int i = 0;
generator.LoadInt32(expressions.Count);
generator.NewArray(typeof(object));
foreach (var expression in expressions)
{
generator.Duplicate();
generator.LoadInt32(i++);
expression.Accept(generator).GenerateCode(generator);
if (expression.Type.IsValueType)
{
generator.Box(expression.Type);
}
generator.StoreArrayElement(typeof(object));
}
}
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption option)
{
if (Left.NodeType == ExpressionType.Identifier)
{
var exp = (NameExpression)Left;
var binder = exp.Binder;
// binder is null create new local variable
if (binder is null)
{
exp.Binder = binder = new Binders.VariableBinder(generator.DeclareVariable(Right.Type, exp.Name));
}
if ((binder.Attributes & Binders.BindingAttributes.HasThis) != 0)
{
generator.LoadArgument(0);
}
Right.GenerateCode(generator, Option);
if (Conversion != null)
{
generator.EmitConvert(Conversion);
}
binder.GenerateSet(Right, generator, option);
}
else if (Left.NodeType == ExpressionType.MemberAccess)
{
var exp = (MemberExpression)Left;
exp.Target.GenerateCode(generator);
// member assign for dynamic to be Any
if ((exp.Binder.Attributes & Binders.BindingAttributes.Dynamic) == Binders.BindingAttributes.Dynamic)
{
generator.Box(TypeProvider.AnyType);
}
Right.GenerateCode(generator, Option);
if (Conversion != null)
{
generator.EmitConvert(Conversion);
}
exp.Binder.GenerateSet(Right, generator, option);
}
else if (Left.NodeType == ExpressionType.Indexer)
{
GenerateIndexer(generator);
}
}
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption option)
{
if (Binder != null)
{
if (Target.Type.IsValueType && (Binder.Attributes & Binders.BindingAttributes.Dynamic) == 0)
{
option = MethodCompileOption.EmitStartAddress;
}
else
{
option = 0;
}
Target.GenerateCode(generator, option);
Binder.GenerateGet(Target, generator);
}
else
{
Target.GenerateCode(generator, option);
}
}
public void GenerateSet(Expression right, MethodBodyGenerator generator, MethodCompileOption option = MethodCompileOption.None)
{
// first parameter to be Any
if (right.Type != TypeProvider.AnyType)
{
if (right.Type.IsValueType)
{
generator.Box(right.Type);
}
generator.CallStatic(ReflectionHelpers.ImplicitAny);
}
generator.LoadString(Name);
generator.LoadToken(right.Type);
generator.Call((Func <RuntimeTypeHandle, Type>)Type.GetTypeFromHandle);
generator.Call(typeof(IDynamicInvocable).GetInstanceMethod(nameof(IDynamicInvocable.SafeSetValue), TypeProvider.AnyType, typeof(string), typeof(Type)));
if ((option & MethodCompileOption.Return) == 0)
{
generator.Pop();
return;
}
}
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption options)
{
if (generator.Method is Generators.DynamicMethodGenerator)
{
// for annonymous type
// if this is used in anonymous function or objects
var variable = generator.GetLocalVariable("__value");
if (variable.Type.IsValueType && (options & MethodCompileOption.EmitStartAddress) == MethodCompileOption.EmitStartAddress)
{
generator.LoadAddressOfVariable(variable);
}
else
{
generator.LoadVariable(variable);
}
}
else
{
generator.LoadArgument(0);
}
}
public void GenerateGet(Expression target, MethodBodyGenerator generator, MethodCompileOption option)
{
var field = this.field;
if (field.FieldType == null)
{
throw new InvalidOperationException(string.Concat("Use of undeclared field ", field));
}
if (field is Generators.FieldGenerator)
{
field = ((Generators.FieldGenerator)field).FieldInfo;
}
if ((option & MethodCompileOption.EmitStartAddress) == MethodCompileOption.EmitStartAddress && field.FieldType.IsValueType)
{
generator.LoadFieldAddress(field);
}
else
{
generator.LoadField(field);
}
}
void CallPreFixMember(MethodBodyGenerator generator, IBinder binder, MethodCompileOption option)
{
// if no duplicate ex: i++ single line
if ((option & MethodCompileOption.Dupplicate) == 0)
{
binder.GenerateSet(Operand, generator);
return;
}
// ++i where i is member
// initially operator is called
var temp = generator.DeclareVariable(binder.Type);
// store the result to variable
generator.StoreVariable(temp);
// then load the variable
generator.LoadVariable(temp);
// store the variable result to member
binder.GenerateSet(Operand, generator);
// load the temp variable
generator.LoadVariable(temp);
}
public override void GenerateCode(MethodBodyGenerator generator, MethodCompileOption options)
{
if (Method != null)
{
var conversions = Conversions;
Left.GenerateCode(generator, options);
var first = conversions[0];
if (first != null)
{
generator.EmitConvert(first);
}
Right.GenerateCode(generator, options);
var second = conversions[1];
if (second != null)
{
generator.EmitConvert(second);
}
generator.Call(Method);
return;
}
throw new InvalidOperationException("Operator method missing");
}
public void GenerateIndexer(MethodBodyGenerator generator)
{
var exp = (IndexExpression)Left;
var conversions = exp.Conversions;
var arguments = exp.Arguments;
exp.Target.GenerateCode(generator, MethodCompileOption.EmitStartAddress);
var argLength = arguments.Count;
for (int index = 0; index < argLength; index++)
{
var arg = arguments[index];
var conv = conversions[index];
if (conv != null)
{
if (conv.ConversionType == ConversionType.Normal)
{
arg.GenerateCode(generator, AssignOption);
generator.EmitConvert(conv);
}
else if (conv.ConversionType == ConversionType.ParamArray)
{
var args = new Expression[arguments.Count - index];
arguments.CopyTo(args, conv.Index);
generator.EmitConvert((ParamArrayConversion)conv, args);
}
}
else
{
arg.GenerateCode(generator, AssignOption);
}
}
Right.GenerateCode(generator, MethodCompileOption.Dupplicate);
// value convert if any
generator.EmitConvert(conversions[argLength]);
generator.Call(exp.Setter);
}
public void GenerateSet(Expression value, MethodBodyGenerator generator, MethodCompileOption option)
{
var field = this.field;
if (field.IsInitOnly && !(generator.Method is ConstructorInfo))
{
throw new FieldAccessException("A readonly field cannot be assigned to (except in a constructor of the class in which the field is defined or a variable initializer))");
}
if (field is Generators.FieldGenerator)
{
field = ((Generators.FieldGenerator)field).FieldInfo;
}
if ((option & MethodCompileOption.Dupplicate) == 0)
{
generator.StoreField(field);
return;
}
generator.Duplicate();
var temp = generator.CreateTemporaryVariable(value.Type);
generator.StoreVariable(temp);
generator.StoreField(field);
generator.LoadVariable(temp);
}
public void GenerateSet(Expression value, MethodBodyGenerator generator, MethodCompileOption option = MethodCompileOption.None)
{
throw new NotImplementedException();
}