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//
// Mono.ILASM.GenericParameters
//
// Author(s):
// Ankit Jain <jankit@novell.com>
//
// Copyright 2006 Novell, Inc (http://www.novell.com)
//
using System;
using System.Collections;
using System.Text;
namespace Mono.ILASM {
public class GenericParameter : ICustomAttrTarget {
string id;
int num;
PEAPI.GenericParamAttributes attr;
ArrayList constraintsList;
ArrayList customattrList;
public GenericParameter (string id)
: this (id, 0, null)
{
}
public GenericParameter (string id, PEAPI.GenericParamAttributes attr, ArrayList constraints)
{
this.id = id;
this.attr = attr;
num = -1;
constraintsList = null;
customattrList = null;
if (constraints != null)
foreach (BaseTypeRef typeref in constraints)
AddConstraint (typeref);
}
public string Id {
get { return id; }
}
public int Num {
get { return num; }
set { num = value; }
}
public void AddConstraint (BaseTypeRef constraint)
{
if (constraint == null)
throw new InternalErrorException ();
if (constraintsList == null)
constraintsList = new ArrayList ();
constraintsList.Add (constraint);
}
public override string ToString ()
{
return Id;
}
public void AddCustomAttribute (CustomAttr customattr)
{
if (customattrList == null)
customattrList = new ArrayList ();
customattrList.Add (customattr);
}
public void Resolve (CodeGen code_gen, PEAPI.MethodDef methoddef)
{
PEAPI.GenericParameter gp = methoddef.AddGenericParameter ((short) num, id, attr);
Resolve (code_gen, gp);
}
public void Resolve (CodeGen code_gen, PEAPI.ClassDef classdef)
{
PEAPI.GenericParameter gp = classdef.AddGenericParameter ((short) num, id, attr);
Resolve (code_gen, gp);
}
private void Resolve (CodeGen code_gen, PEAPI.GenericParameter gp)
{
ResolveConstraints (code_gen, gp);
if (customattrList == null)
return;
foreach (CustomAttr customattr in customattrList)
customattr.AddTo (code_gen, gp);
}
public void ResolveConstraints (GenericParameters type_gen_params, GenericParameters method_gen_params)
{
if (constraintsList == null)
return;
foreach (BaseTypeRef constraint in constraintsList) {
BaseGenericTypeRef gtr = constraint as BaseGenericTypeRef;
if (gtr != null)
gtr.Resolve (type_gen_params, method_gen_params);
}
}
private void ResolveConstraints (CodeGen code_gen, PEAPI.GenericParameter gp)
{
if (constraintsList == null)
return;
foreach (BaseTypeRef constraint in constraintsList) {
constraint.Resolve (code_gen);
gp.AddConstraint (constraint.PeapiType);
}
}
}
public class GenericParameters {
ArrayList param_list;
string param_str;
public GenericParameters ()
{
param_list = null;
param_str = null;
}
public int Count {
get { return (param_list == null ? 0 : param_list.Count); }
}
public GenericParameter this [int index] {
get { return (param_list != null ? (GenericParameter) param_list [index] : null); }
set { Add (value); }
}
public void Add (GenericParameter gen_param)
{
if (gen_param == null)
throw new InternalErrorException ();
if (param_list == null)
param_list = new ArrayList ();
gen_param.Num = param_list.Count;
param_list.Add (gen_param);
param_str = null;
}
public GenericParameter GetGenericParam (string id)
{
if (param_list == null)
Report.Error ("Invalid type parameter '" + id + "'");
foreach (GenericParameter param in param_list)
if (param.Id == id)
return param;
return null;
}
public int GetGenericParamNum (string id)
{
GenericParameter param = GetGenericParam (id);
if (param != null)
return param.Num;
return -1;
}
public void Resolve (CodeGen code_gen, PEAPI.ClassDef classdef)
{
foreach (GenericParameter param in param_list)
param.Resolve (code_gen, classdef);
}
public void Resolve (CodeGen code_gen, PEAPI.MethodDef methoddef)
{
foreach (GenericParameter param in param_list)
param.Resolve (code_gen, methoddef);
}
public void ResolveConstraints (GenericParameters type_gen_params, GenericParameters method_gen_params)
{
foreach (GenericParameter param in param_list)
param.ResolveConstraints (type_gen_params, method_gen_params);
param_str = null;
}
private void MakeString ()
{
//Build full_name (foo < , >)
StringBuilder sb = new StringBuilder ();
sb.Append ("<");
foreach (GenericParameter param in param_list)
sb.AppendFormat ("{0}, ", param);
//Remove the extra ', ' at the end
sb.Length -= 2;
sb.Append (">");
param_str = sb.ToString ();
}
public override string ToString ()
{
if (param_str == null)
MakeString ();
return param_str;
}
}
}
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