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 && property.PropertyType.IsValueType)
{
var temp = generator.CreateTemporaryVariable(Type);
generator.Call(Getter);
generator.StoreVariable(temp);
generator.LoadAddressOfVariable(temp);
return;
}
generator.Call(Getter);
}
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);
}
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 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;
}
}
/// <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 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);
}
}
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();
}
}
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);
}
/// <inheritdoc/>
public override void GenerateCode(MethodBodyGenerator generator)
{
// Generate code for the start of the statement.
var statementLocals = new StatementLocals();
GenerateStartOfStatement(generator, statementLocals);
if (NodeType == StatementType.Return)
{
bool lastStatement = true;
if (Value != null)
{
var exp = Value.Accept(generator);
exp.GenerateCode(generator, Expression.AssignOption);
if (generator.SyntaxTree is BlockStatement block)
{
if (block.Statements.Count > 0)
{
lastStatement = block.Statements[block.Statements.Count - 1] == this;
}
}
var dest = generator.Method.ReturnType;
if (dest is null)
{
throw new System.NullReferenceException(nameof(System.Reflection.MethodInfo.ReturnType));
}
// void type no return
if (dest != TypeProvider.VoidType)
{
// todo variable name not used
if (generator.ReturnVariable == null)
{
generator.ReturnVariable = generator.DeclareVariable(dest);
}
System.Type src = exp.Type;
if (!dest.IsAssignableFrom(src))
{
if (src.TryImplicitConvert(dest, out System.Reflection.MethodInfo method))
{
if (src.IsValueType && method.GetParameters()[0].ParameterType.IsValueType == false)
{
generator.Box(src);
}
generator.Call(method);
src = method.ReturnType;
}
else
{
throw new System.Exception(string.Concat("can't cast ", src, " to ", dest));
}
}
if (src.IsValueType && dest.IsValueType == false)
{
generator.Box(src);
}
generator.StoreVariable(generator.ReturnVariable);
if (generator.ReturnTarget == null)
{
generator.ReturnTarget = generator.CreateLabel();
}
}
}
//last statement is not a return
if (!lastStatement)
{
//if iniside try finally block
generator.EmitLongJump(generator, generator.ReturnTarget);
}
}
else if (NodeType == StatementType.Throw)
{
if (Value == null)
{
throw new System.ArgumentNullException("Value", "throw expression missing argument");
}
var exp = Value.Accept(generator);
exp.GenerateCode(generator, Expression.AssignOption);
generator.Throw();
}
GenerateEndOfStatement(generator, statementLocals);
}