/// <summary>
/// Creates a definition for the given parsed function
/// </summary>
/// <param name="function">The function</param>
private FunctionDefinition CreateFunctionDefinition(Data.Function function)
{
var parameters = function.Parameters.Select(parameterType => LoaderHelpers.FindType(this.typeProvider, parameterType)).ToList();
var returnType = LoaderHelpers.FindType(this.typeProvider, function.ReturnType);
if (function.ClassType == null)
{
return(new FunctionDefinition(
function.Name,
parameters,
returnType));
}
else
{
var classType = LoaderHelpers.FindType(this.typeProvider, TypeSystem.ClassTypeName(function.ClassType));
if (!classType.IsClass)
{
throw new LoaderException($"'{function.ClassType}' is not a class type.");
}
return(new FunctionDefinition(
function.Name,
parameters,
returnType,
(ClassType)classType,
function.IsConstructor));
}
}
/// <summary>
/// Loads the given managed function
/// </summary>
/// <param name="function">The function</param>
/// <param name="functionDefinition">The function definition</param>
public ManagedFunction LoadManagedFunction(Data.Function function, FunctionDefinition functionDefinition)
{
var locals = function.Locals.Select(local => LoaderHelpers.FindType(this.typeProvider, local)).ToList();
var instructions = function.Instructions.Select(instruction =>
{
switch (instruction.Format)
{
case Data.InstructionFormat.OpCodeOnly:
return(new Instruction(instruction.OpCode));
case Data.InstructionFormat.IntValue:
return(new Instruction(instruction.OpCode, instruction.IntValue));
case Data.InstructionFormat.FloatValue:
return(new Instruction(instruction.OpCode, instruction.FloatValue));
case Data.InstructionFormat.StringValue:
return(new Instruction(instruction.OpCode, instruction.StringValue));
case Data.InstructionFormat.Call:
return(new Instruction(
instruction.OpCode,
instruction.StringValue,
instruction.Parameters.Select(parameter => LoaderHelpers.FindType(this.typeProvider, parameter)).ToList()));
case Data.InstructionFormat.CallInstance:
{
var classType = LoaderHelpers.FindType(this.typeProvider, TypeSystem.ClassTypeName(instruction.ClassType));
if (!classType.IsClass)
{
throw new LoaderException($"'{instruction.ClassType}' is not a class type.");
}
return(new Instruction(
instruction.OpCode,
instruction.StringValue,
(ClassType)classType,
instruction.Parameters.Select(parameter => LoaderHelpers.FindType(this.typeProvider, parameter)).ToList()));
}
default:
return(new Instruction());
}
}).ToList();
return(new ManagedFunction(functionDefinition, locals, instructions));
}