public PropertyOperation(CompiledMethod method,CompiledFragment of,string name):base(method){
if(of!=null){
of.ParentFragment=this;
}
Of=(of!=null)?of:new ThisOperation(method);
Name=name;
}
public override CompiledFragment Compile(CompiledMethod method)
{
if (FirstChild == null)
{
return(null);
}
// Apply the current line:
method.CurrentLine = LineNumber;
try{
// Compile operator chains: (d=a+b+c;)
CompilationServices.CompileOperators(this, method);
// Compile the now singular operator:
CompiledFragment cFrag = FirstChild.Compile(method) as CompiledFragment;
return(cFrag);
}catch (CompilationException e) {
if (e.LineNumber == -1)
{
// Setup line number:
e.LineNumber = LineNumber;
}
// Rethrow:
throw e;
}
}
/// <summary>Compiles a set of parameters into an array of compiled fragments.</summary>
/// <param name="brackets">The parent block which contains each parameter as a child.</param>
/// <param name="parentBlock">The method the parameters are for.</param>
/// <returns>A set of compiled fragments.</returns>
public static CompiledFragment[] CompileParameters(CodeFragment brackets, CompiledMethod parentBlock)
{
if (!brackets.IsParent)
{
return(null);
}
int count = 0;
brackets.Compile(parentBlock);
CodeFragment child = brackets.FirstChild;
CompiledFragment[] output = new CompiledFragment[brackets.ChildCount()];
while (child != null)
{
CompiledFragment frag = (CompiledFragment)child;
if (frag == null)
{
return(null);
}
output[count] = frag;
count++;
child = child.NextChild;
}
return(output);
}
protected override Operation Compile(CompiledFragment left,CompiledFragment right,CompiledMethod method){
CompiledFragment frag=left;
if(left==null){
frag=right;
}
return new SetOperation(method,frag,new AddOperation(method,frag,new CompiledFragment(1)));
}
public SwitchOperation(CompiledMethod method,BracketFragment switching,BracketFragment body):base(method){
Body=body;
if(switching.ChildCount()!=1){
switching.Error("Too many entries inside this switches brackets. Should be e.g. switch(name){ .. }");
}
// Compile the switching frag:
CompiledFragment variableFrag=switching.FirstChild.Compile(method);
// Get the active value - this should be a variable object:
object activeValue=variableFrag.ActiveValue();
// Try and apply it:
Switching=activeValue as Variable;
if(Switching==null){
switching.Error("Can only switch variables.");
}
}
/// <summary>Adds a method that was found into this classes set of methods to compile.</summary>
/// <param name="fragment">The first fragment of the method, used for generating errors. This gives a valid line number.</param>
/// <param name="body">The block of code for this method.</param>
/// <param name="name">The name of the method. Null if anonymous is true.</param>
/// <param name="anonymous">True if this method is an anonymous one and requires a name.</param>
/// <param name="parameters">The set of parameters for this method.</param>
/// <param name="returnType">The type that this method returns.</param>
/// <param name="isPublic">True if this is a public method; false for private.</param>
/// <returns>The first fragment following the method, if there is one.</returns>
protected virtual CodeFragment AddFoundMethod(CodeFragment fragment, CodeFragment body, string name, bool anonymous, BracketFragment parameters, TypeFragment returnType, bool isPublic)
{
if (body == null)
{
fragment.Error("Invalid function definition (" + name + "). The content block {} is missing or isnt valid.");
}
if (anonymous)
{
name = "Compiler-Generated-$" + AnonymousCount;
AnonymousCount++;
}
// The following is the explicit code block for this function:
BracketFragment codeBlock = (BracketFragment)body;
CompiledMethod cMethod = new CompiledMethod(this, name, parameters, codeBlock, returnType, isPublic);
MethodOverloads set = MakeOrFind(name, cMethod.Builder.ReturnType);
CodeFragment next = body.NextChild;
if (anonymous)
{
CodeFragment newChild = DynamicMethodCompiler.Compile(cMethod, name, set.ReturnType, new ThisOperation(cMethod));
newChild.AddAfter(body);
}
body.Remove();
set.AddMethod(cMethod);
FindMethods(codeBlock);
return(next);
}
public override CompiledFragment Compile(CompiledMethod parent)
{
if (Float)
{
return(new CompiledFragment(float.Parse(Value)));
}
return(new CompiledFragment(int.Parse(Value)));
}
public override CompiledFragment Compile(CompiledMethod method){
CompiledFragment cfrag=MethodName.Compile(method);
if(!Types.IsTypeOf(cfrag.ActiveValue(),typeof(ISettable))){
Error("Unable to compile a method call - didn't recognise an invokable object.");
}
CompiledFragment[] parameters=CompilationServices.CompileParameters(Brackets,method);
return new MethodOperation(method,cfrag,parameters);
}
/// <summary>Outputs the given argument set into the given IL stream.</summary>
/// <param name="args">The compiled set of arguments to be outputted.</param>
/// <param name="method">The method that they are being used in.</param>
/// <param name="into">The IL stream to output the arguments into.</param>
/// <param name="parameters">The parameter info used to correctly match the location of the parameters.</param>
public static void OutputParameters(CompiledFragment[] args, CompiledMethod method, NitroIL into, ParameterInfo[] parameters)
{
int argID = 0;
int argCount = 0;
if (args != null)
{
argCount = args.Length;
}
for (int paramID = 0; paramID < parameters.Length; paramID++)
{
ParameterInfo param = parameters[paramID];
Type paramType = param.ParameterType;
if (IsParams(param))
{
// The rest are going into an array Operation.
// Get the type we want to cast them all to (because paramType at this stage must be an array):
paramType = paramType.GetElementType();
CompiledFragment[] ops = new CompiledFragment[argCount - argID];
int Index = 0;
for (int i = argID; i < argCount; i++)
{
CompiledFragment frag = args[i];
Type fragType = frag.OutputType(out frag);
if (fragType != paramType)
{
frag = TryCast(method, frag, paramType);
if (frag == null)
{
args[i].Error("Unable to box or cast " + fragType + " to " + paramType + " at parameter " + argID + ". Note that you can't null a value type.");
}
}
ops[Index++] = frag;
}
CompiledFragment arrayOp = new ArrayOperation(method, paramType, ops);
arrayOp.OutputType(out arrayOp);
arrayOp.OutputIL(into);
return;
}
CompiledFragment argFrag = args[argID++];
Type argType = argFrag.OutputType(out argFrag);
if (argType != paramType)
{
CompiledFragment originalFragment = argFrag;
argFrag = TryCast(method, argFrag, paramType);
if (argFrag == null)
{
originalFragment.Error("Unable to box or cast " + argType + " to " + paramType + " at parameter " + argID + " of method call " + param.Member.Name + ". Note that you can't null a value type.");
}
}
argFrag.OutputIL(into);
}
}
public IndexOperation(CompiledMethod method,CompiledFragment appliedTo,CompiledFragment[] indices):base(method){
AppliedTo=appliedTo;
if(indices.Length==0){
Error("No index value given. must be e.g. array[1].");
}else if(indices.Length>1){
Error("Multidimension arrays are not currently supported.");
}
Index=indices[0];
}
public PropertyOperation(CompiledMethod method, CompiledFragment of, string name) : base(method)
{
if (of != null)
{
of.ParentFragment = this;
}
Of = (of != null)?of:new ThisOperation(method);
Name = name;
}
/// <summary>Makes sure that two overloads don't have the same parameter set. Throws an error if </summary>
/// <param name="method">The method to check for matches against existing methods in this set.</param>
public void ParametersOk(CompiledMethod method){
foreach(CompiledMethod Method in Methods){
if(Method==method||!Method.ParametersLoaded){
continue;
}
if(Types.TypeSetsMatchExactly(method.ParameterTypes,Method.ParameterTypes)){
method.Error("Unable to add method "+method.Name+" - two overloads exist with the same parameters.");
}
}
}
public IfOperation(CompiledMethod method,BracketFragment condition,BracketFragment ifTrue,BracketFragment ifFalse):base(method){
IfTrue=ifTrue;
IfFalse=ifFalse;
Conditions=CompilationServices.CompileParameters(condition,method);
if(Conditions==null||Conditions.Length==0){
Error("An if was defined but with nothing to check (e.g. if(this is empty!){..} )");
}
}
public override CompiledFragment Compile(CompiledMethod method)
{
CompiledFragment cfrag = MethodName.Compile(method);
if (!Types.IsTypeOf(cfrag.ActiveValue(), typeof(ISettable)))
{
Error("Unable to compile a method call - didn't recognise an invokable object.");
}
CompiledFragment[] parameters = CompilationServices.CompileParameters(Brackets, method);
return(new MethodOperation(method, cfrag, parameters));
}
/// <summary>Gets the ToString method of the given type, being called on the given fragment.</summary>
/// <param name="method">The function this operation is occuring in.</param>
/// <param name="frag">The object that the ToString method is being called on.</param>
/// <param name="type">The type that fragment contains and the one that the ToString operation must be found on.</param>
/// <returns>A methodOperation representing the ToString call. Throws an error if frag is null.</returns>
public static MethodOperation ToStringMethod(CompiledMethod method, CompiledFragment frag, Type type)
{
if (type == null)
{
frag.Error("Unable to convert null to a string.");
}
MethodOperation mo = new MethodOperation(method, type.GetMethod("ToString", new Type[0]));
mo.CalledOn = frag;
frag.ParentFragment = mo;
return(mo);
}
public IfOperation(CompiledMethod method, BracketFragment condition, BracketFragment ifTrue, BracketFragment ifFalse) : base(method)
{
IfTrue = ifTrue;
IfFalse = ifFalse;
Conditions = CompilationServices.CompileParameters(condition, method);
if (Conditions == null || Conditions.Length == 0)
{
Error("An if was defined but with nothing to check (e.g. if(this is empty!){..} )");
}
}
public ConstructOperation(TypeFragment type,BracketFragment brackets,CompiledMethod method):base(method){
if(type==null){
Error("A constructor is missing the type to construct. E.g. new myClass();");
}
ObjectType=type.FindType(method.Script);
if(ObjectType==null){
Error("Couldn't find type '"+type+"'.");
}
// Compile the brackets - what types to they have?
Parameters=CompilationServices.CompileParameters(brackets,method);
SetConstructor();
}
public IndexOperation(CompiledMethod method, CompiledFragment appliedTo, CompiledFragment[] indices) : base(method)
{
AppliedTo = appliedTo;
if (indices.Length == 0)
{
Error("No index value given. must be e.g. array[1].");
}
else if (indices.Length > 1)
{
Error("Multidimension arrays are not currently supported.");
}
Index = indices[0];
}
/// <summary>Gets the OnScriptReady method. May create it if it's not available.</summary>
/// <returns>The start method. All code outside of functions that isn't a variable goes into this.</returns>
private CompiledMethod GetStartMethod()
{
MethodOverloads set = MakeOrFind("OnScriptReady", null);
if (set.Methods.Count == 0)
{
set.AddMethod(new CompiledMethod(this, "OnScriptReady", null, new BracketFragment(), null, true));
}
CompiledMethod method = set.Methods[0];
method.GloballyScoped = true;
return(method);
}
/// <summary>Makes sure that two overloads don't have the same parameter set. Throws an error if </summary>
/// <param name="method">The method to check for matches against existing methods in this set.</param>
public void ParametersOk(CompiledMethod method)
{
foreach (CompiledMethod Method in Methods)
{
if (Method == method || !Method.ParametersLoaded)
{
continue;
}
if (Types.TypeSetsMatchExactly(method.ParameterTypes, Method.ParameterTypes))
{
method.Error("Unable to add method " + method.Name + " - two overloads exist with the same parameters.");
}
}
}
public ConstructOperation(TypeFragment type, BracketFragment brackets, CompiledMethod method) : base(method)
{
if (type == null)
{
Error("A constructor is missing the type to construct. E.g. new myClass();");
}
ObjectType = type.FindType(method.Script);
if (ObjectType == null)
{
Error("Couldn't find type '" + type + "'.");
}
// Compile the brackets - what types to they have?
Parameters = CompilationServices.CompileParameters(brackets, method);
SetConstructor();
}
/// <summary>Converts the the given fragments into a compiled operation by first checking the fragments are ok for this operator.</summary>
/// <param name="left">The fragment to the left of the operator.</param>
/// <param name="right">The fragment to the right of the operation.</param>
/// <param name="method">The method the operation will be compiled into.</param>
public Operation ToOperation(CompiledFragment left,CompiledFragment right,CompiledMethod method){
bool leftNull=(left==null);
bool rightNull=(right==null);
if(leftNull&&rightNull){
return null;
}
if(leftNull&&!rightNull&&!RightOnly){
return null;
}
if(!leftNull&&rightNull&&!LeftOnly){
return null;
}
if(!leftNull&&!rightNull&&!LeftAndRight){
return null;
}
return Compile(left,right,method);
}
/// <summary>Attempts to generate a cast operation for the given fragment to the given type.</summary>
/// <param name="method">The method this operation is occuring in.</param>
/// <param name="frag">The fragment containing the object to cast.</param>
/// <param name="to">The type to cast it to if possible.</param>
/// <param name="isExplicit">True if the casting is explicit. False if it is implicit.</param>
/// <returns>A cast operation if it is possible; throws an error otherwise.</returns>
public static CompiledFragment TryCast(CompiledMethod method, CompiledFragment frag, Type to, out bool isExplicit)
{
isExplicit = false;
Type from = frag.OutputType(out frag);
if (from == null)
{
if (to.IsValueType)
{
return(null);
}
else
{
return(frag);
}
}
if (to == typeof(object) && from.IsValueType)
{
return(new BoxOperation(method, frag));
}
if (from == to || to.IsAssignableFrom(from))
{
return(frag);
}
// IsAssignableFrom is true if TO inherits FROM:
if (from.IsAssignableFrom(to))
{
return(new CastOperation(method, frag, to));
}
MethodInfo cast = IsCastableTo(from, to, out isExplicit);
if (cast == null)
{
return(null);
}
else
{
return(new MethodOperation(method, cast, frag));
}
}
public override CompiledFragment Compile(CompiledMethod method)
{
if (!IsParent)
{
return(null);
}
CodeFragment child = FirstChild;
while (child != null)
{
CodeFragment next = child.NextChild;
CompiledFragment cfrag = child.Compile(method);
if (cfrag != null)
{
cfrag.AddAfter(child);
}
child.Remove();
child = next;
}
if (GivenType != null)
{
Type toType = GivenType.FindType(method.Script);
if (toType == null)
{
Error("Type not found: " + GivenType.ToString() + ".");
}
CompiledFragment compiledKid = (CompiledFragment)FirstChild;
CompiledFragment result = Types.TryCast(method, compiledKid, toType);
if (result == null)
{
Error("Cannot cast " + compiledKid.OutputType() + " to " + toType + ".");
}
return(result);
}
return((CompiledFragment)FirstChild);
}
public override CompiledFragment Compile(CompiledMethod method)
{
if (!IsParent)
{
return(null);
}
CodeFragment child = FirstChild;
while (child != null)
{
CodeFragment next = child.NextChild;
CompiledFragment cfrag = child.Compile(method);
if (cfrag != null)
{
cfrag.AddAfter(child);
}
child.Remove();
child = next;
}
// Is this a cast?
if (GivenType != null)
{
// Get the type being cast to:
Type toType = GivenType.FindType(method.Script);
if (toType == null)
{
Error("Type to cast to was not found: " + GivenType.ToString() + ".");
}
// Get the object being cast:
CompiledFragment compiledKid = (CompiledFragment)FirstChild;
// Create a cast operation with it:
return(new CastOperation(method, compiledKid, toType));
}
return((CompiledFragment)FirstChild);
}
/// <summary>Converts the the given fragments into a compiled operation by first checking the fragments are ok for this operator.</summary>
/// <param name="left">The fragment to the left of the operator.</param>
/// <param name="right">The fragment to the right of the operation.</param>
/// <param name="method">The method the operation will be compiled into.</param>
public Operation ToOperation(CompiledFragment left, CompiledFragment right, CompiledMethod method)
{
bool leftNull = (left == null);
bool rightNull = (right == null);
if (leftNull && rightNull)
{
return(null);
}
if (leftNull && !rightNull && !RightOnly)
{
return(null);
}
if (!leftNull && rightNull && !LeftOnly)
{
return(null);
}
if (!leftNull && !rightNull && !LeftAndRight)
{
return(null);
}
return(Compile(left, right, method));
}
public SwitchOperation(CompiledMethod method, BracketFragment switching, BracketFragment body) : base(method)
{
Body = body;
if (switching.ChildCount() != 1)
{
switching.Error("Too many entries inside this switches brackets. Should be e.g. switch(name){ .. }");
}
// Compile the switching frag:
CompiledFragment variableFrag = switching.FirstChild.Compile(method);
// Get the active value - this should be a variable object:
object activeValue = variableFrag.ActiveValue();
// Try and apply it:
Switching = activeValue as Variable;
if (Switching == null)
{
switching.Error("Can only switch variables.");
}
}
public override CompiledFragment Compile(CompiledMethod parent)
{
return(new ArrayOperation(parent, ArrayType.FindType(parent.Script), null, CompilationServices.CompileParameters(Defaults, parent)));
}
/// <summary>Adds a method that was found into this classes set of methods to compile.</summary>
/// <param name="fragment">The first fragment of the method, used for generating errors. This gives a valid line number.</param>
/// <param name="body">The block of code for this method.</param>
/// <param name="name">The name of the method. Null if anonymous is true.</param>
/// <param name="anonymous">True if this method is an anonymous one and requires a name.</param>
/// <param name="parameters">The set of parameters for this method.</param>
/// <param name="returnType">The type that this method returns.</param>
/// <param name="isPublic">True if this is a public method; false for private.</param>
/// <returns>The first fragment following the method, if there is one.</returns>
protected virtual CodeFragment AddFoundMethod(CodeFragment fragment,CodeFragment body,string name,bool anonymous,BracketFragment parameters,TypeFragment returnType,bool isPublic){
if(body==null){
fragment.Error("Invalid function definition ("+name+"). The content block {} is missing or isnt valid.");
}
if(anonymous){
name="Compiler-Generated-$"+AnonymousCount;
AnonymousCount++;
}
// The following is the explicit code block for this function:
BracketFragment codeBlock=(BracketFragment)body;
CompiledMethod cMethod=new CompiledMethod(this,name,parameters,codeBlock,returnType,isPublic);
MethodOverloads set=MakeOrFind(name,cMethod.Builder.ReturnType);
CodeFragment next=body.NextChild;
if(anonymous){
CodeFragment newChild=DynamicMethodCompiler.Compile(cMethod,name,set.ReturnType,new ThisOperation(cMethod));
newChild.AddAfter(body);
}
body.Remove();
set.AddMethod(cMethod);
FindMethods(codeBlock);
return next;
}
public override CompiledFragment Compile(CompiledMethod parent)
{
return(new CompiledFragment(Value));
}
public SetOperation(CompiledMethod method,CompiledFragment input0,CompiledFragment input1):base(method){
Input0=input0;
Input1=input1;
}
public ArrayOperation(CompiledMethod method,Type elementType,CompiledFragment[] defaultValues):base(method){
SetDefaults(defaultValues);
ArrayType=elementType.MakeArrayType();
}
public SubtractOperation(CompiledMethod method, CompiledFragment input0, CompiledFragment input1) : base(method)
{
Input0 = input0;
Input1 = input1;
}
public ArrayOperation(CompiledMethod method,Type arrayType,CompiledFragment size,CompiledFragment[] defaultValues):base(method){
Size=size;
SetDefaults(defaultValues);
ArrayType=arrayType;
}
/// <summary>Attempts to generate a cast operation for the given fragment to the given type.</summary>
/// <param name="method">The method this operation is occuring in.</param>
/// <param name="frag">The fragment containing the object to cast.</param>
/// <param name="to">The type to cast it to if possible.</param>
/// <param name="isExplicit">True if the casting is explicit. False if it is implicit.</param>
/// <returns>A cast operation if it is possible; throws an error otherwise.</returns>
public static CompiledFragment TryCast(CompiledMethod method,CompiledFragment frag,Type to,out bool isExplicit){
isExplicit=false;
Type from=frag.OutputType(out frag);
if(from==null){
if(to.IsValueType){
return null;
}else{
return frag;
}
}
if(to==typeof(object) && from.IsValueType){
return new BoxOperation(method,frag);
}
if(from==to||to.IsAssignableFrom(from)){
return frag;
}
// IsAssignableFrom is true if TO inherits FROM:
if(from.IsAssignableFrom(to)){
return new CastOperation(method,frag,to);
}
MethodInfo cast=IsCastableTo(from,to,out isExplicit);
if(cast==null){
return null;
}else{
return new MethodOperation(method,cast,frag);
}
}
public override CompiledFragment Compile(CompiledMethod method){
return new IfOperation(method,Condition,IfTrue,IfFalse);
}
protected override Operation Compile(CompiledFragment left,CompiledFragment right,CompiledMethod method){
return new SetOperation(method,left,new SubtractOperation(method,left,right));
}
/// <summary>Compiles a dynamic method call in code into an actual dynamic method call.</summary>
/// <param name="function">The function this call is being compiled within.</param>
/// <param name="methodName">The name of the method to call.</param>
/// <param name="methodReturnType">The return type of the method that will be called.</param>
/// <param name="target">The object that the method will be run on.</param>
/// <returns>A compiled dynamic method object.</returns>
public static CompiledFragment Compile(CompiledMethod function, string methodName, Type methodReturnType, CompiledFragment target)
{
return(new ConstructOperation(function, TypeFor(methodReturnType), new CompiledFragment(methodName), target));
}
protected override Operation Compile(CompiledFragment left, CompiledFragment right, CompiledMethod method)
{
CompiledFragment frag = left;
if (left == null)
{
frag = right;
}
return(new SetOperation(method, frag, new AddOperation(method, frag, new CompiledFragment(1))));
}
protected override Operation Compile(CompiledFragment left,CompiledFragment right,CompiledMethod method){
return new BitwiseXOrOperation(method,left,right);
}
public ThisOperation(CompiledMethod method) : base(method)
{
}
protected override Operation Compile(CompiledFragment left,CompiledFragment right,CompiledMethod method){
return new EqualsOperation(method,new CompiledFragment(0),right);
}
/// <summary>Adds a method to this overload set.</summary>
/// <param name="method">The method to add.</param>
public void AddMethod(CompiledMethod method){
Methods.Add(method);
}
protected override Operation Compile(CompiledFragment left, CompiledFragment right, CompiledMethod method)
{
return(new GreaterThanOrEqualOperation(method, left, right));
}
public TypeofOperation(CompiledMethod method):base(method){}
protected override Operation Compile(CompiledFragment left,CompiledFragment right,CompiledMethod method){
return new GreaterThanOrEqualOperation(method,left,right);
}
/// <summary>Attempts to generate a cast operation for the given fragment to the given type.</summary>
/// <param name="method">The method this operation is occuring in.</param>
/// <param name="frag">The fragment containing the object to cast.</param>
/// <param name="to">The type to cast it to if possible.</param>
/// <returns>A cast operation if it is possible; throws an error otherwise.</returns>
public static CompiledFragment TryCast(CompiledMethod method, CompiledFragment frag, Type to)
{
bool isExplicit;
return(TryCast(method, frag, to, out isExplicit));
}
public override CompiledFragment Compile(CompiledMethod parent){
return new ArrayOperation(parent,ArrayType.FindType(parent.Script),null,CompilationServices.CompileParameters(Defaults,parent));
}
public GreaterThanOperation(CompiledMethod method, CompiledFragment input0, CompiledFragment input1) : base(method)
{
Input0 = input0;
Input1 = input1;
}
public override CompiledFragment Compile(CompiledMethod parentBlock){
return new IndexOperation(parentBlock,Variable.Compile(parentBlock),CompilationServices.CompileParameters(Brackets,parentBlock));
}
protected override Operation Compile(CompiledFragment left, CompiledFragment right, CompiledMethod method)
{
return(new SetOperation(method, left, new DivideOperation(method, left, right)));
}
public override CompiledFragment Compile(CompiledMethod method){
if(!IsParent){
return null;
}
CodeFragment child=FirstChild;
while(child!=null){
CodeFragment next=child.NextChild;
CompiledFragment cfrag=child.Compile(method);
if(cfrag!=null){
cfrag.AddAfter(child);
}
child.Remove();
child=next;
}
if(GivenType!=null){
Type toType=GivenType.FindType(method.Script);
if(toType==null){
Error("Type not found: "+GivenType.ToString()+".");
}
CompiledFragment compiledKid=(CompiledFragment)FirstChild;
CompiledFragment result=Types.TryCast(method,compiledKid,toType);
if(result==null){
Error("Cannot cast "+compiledKid.OutputType()+" to "+toType+".");
}
return result;
}
return (CompiledFragment)FirstChild;
}
public override CompiledFragment Compile(CompiledMethod method){
return new ForOperation(method,Parameters,Body);
}
/// <summary>Attempts to compile this bracket to IL, assuming it is the body of a method.</summary>
/// <param name="method">The method that is being compiled.</param>
/// <returns>True if the method returns something.</returns>
public bool CompileBody(CompiledMethod method){
Compile(method);
return CompilationServices.CompileOperations(this,method);
}
protected override Operation Compile(CompiledFragment left, CompiledFragment right, CompiledMethod method)
{
return(new MultiplyOperation(method, left, right));
}
/// <summary>Outputs the given argument set into the given IL stream.</summary>
/// <param name="args">The compiled set of arguments to be outputted.</param>
/// <param name="method">The method that they are being used in.</param>
/// <param name="into">The IL stream to output the arguments into.</param>
/// <param name="parameters">The parameter info used to correctly match the location of the parameters.</param>
public static void OutputParameters(CompiledFragment[] args,CompiledMethod method,NitroIL into,ParameterInfo[] parameters){
int argID=0;
int argCount=0;
if(args!=null){
argCount=args.Length;
}
for(int paramID=0;paramID<parameters.Length;paramID++){
ParameterInfo param=parameters[paramID];
Type paramType=param.ParameterType;
if(IsParams(param)){
// The rest are going into an array Operation.
// Get the type we want to cast them all to (because paramType at this stage must be an array):
paramType=paramType.GetElementType();
CompiledFragment[] ops=new CompiledFragment[argCount-argID];
int Index=0;
for(int i=argID;i<argCount;i++){
CompiledFragment frag=args[i];
Type fragType=frag.OutputType(out frag);
if(fragType!=paramType){
frag=TryCast(method,frag,paramType);
if(frag==null){
args[i].Error("Unable to box or cast "+fragType+" to "+paramType+" at parameter "+argID+". Note that you can't null a value type.");
}
}
ops[Index++]=frag;
}
CompiledFragment arrayOp=new ArrayOperation(method,paramType,ops);
arrayOp.OutputType(out arrayOp);
arrayOp.OutputIL(into);
return;
}
CompiledFragment argFrag=args[argID++];
Type argType=argFrag.OutputType(out argFrag);
if(argType!=paramType){
CompiledFragment originalFragment=argFrag;
argFrag=TryCast(method,argFrag,paramType);
if(argFrag==null){
originalFragment.Error("Unable to box or cast "+argType+" to "+paramType+" at parameter "+argID+" of method call "+param.Member.Name+". Note that you can't null a value type.");
}
}
argFrag.OutputIL(into);
}
}
protected override Operation Compile(CompiledFragment left,CompiledFragment right,CompiledMethod method){
return new MultiplyOperation(method,left,right);
}
/// <summary>Gets the ToString method of the given type, being called on the given fragment.</summary>
/// <param name="method">The function this operation is occuring in.</param>
/// <param name="frag">The object that the ToString method is being called on.</param>
/// <param name="type">The type that fragment contains and the one that the ToString operation must be found on.</param>
/// <returns>A methodOperation representing the ToString call. Throws an error if frag is null.</returns>
public static MethodOperation ToStringMethod(CompiledMethod method,CompiledFragment frag,Type type){
if(type==null){
frag.Error("Unable to convert null to a string.");
}
MethodOperation mo=new MethodOperation(method,type.GetMethod("ToString",new Type[0]));
mo.CalledOn=frag;
frag.ParentFragment=mo;
return mo;
}
public override CompiledFragment Compile(CompiledMethod parent)
{
return(new ConstructOperation(NewType, Brackets, parent));
}
/// <summary>Attempts to generate a cast operation for the given fragment to the given type.</summary>
/// <param name="method">The method this operation is occuring in.</param>
/// <param name="frag">The fragment containing the object to cast.</param>
/// <param name="to">The type to cast it to if possible.</param>
/// <returns>A cast operation if it is possible; throws an error otherwise.</returns>
public static CompiledFragment TryCast(CompiledMethod method,CompiledFragment frag,Type to){
bool isExplicit;
return TryCast(method,frag,to,out isExplicit);
}
