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//-----------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All Rights Reserved.
//
//-----------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Cci;
using Microsoft.Cci.MetadataReader;
using Microsoft.Cci.MutableCodeModel;
using Microsoft.Cci.Contracts;
using Microsoft.Cci.ILToCodeModel;
using Bpl = Microsoft.Boogie;
namespace BytecodeTranslator {
/// <summary>
///
/// </summary>
public class ClassTraverser : BaseCodeAndContractTraverser {
public readonly TraverserFactory factory;
public readonly ToplevelTraverser ToplevelTraverser;
private Dictionary<IFieldDefinition, Bpl.GlobalVariable> fieldVarMap = new Dictionary<IFieldDefinition, Microsoft.Boogie.GlobalVariable>();
private Dictionary<IMethodDefinition, MethodTraverser> methodMap = new Dictionary<IMethodDefinition, MethodTraverser>();
// TODO: (mschaef) just a stub
public readonly Bpl.Variable ThisVariable = TranslationHelper.TempThisVar();
public readonly Bpl.Variable HeapVariable = TranslationHelper.TempHeapVar();
public ClassTraverser(TraverserFactory factory, IContractProvider cp, ToplevelTraverser tlTraverser)
: base(cp) {
this.factory = factory;
ToplevelTraverser = tlTraverser;
}
public Bpl.Variable FindOrCreateFieldVariable(IFieldDefinition field) {
Bpl.GlobalVariable v;
if (!fieldVarMap.TryGetValue(field, out v)) {
string fieldname = field.ContainingTypeDefinition.ToString() + "." + field.Name.Value;
Bpl.IToken tok = TranslationHelper.CciLocationToBoogieToken(field.Locations);
Bpl.Type t = TranslationHelper.CciTypeToBoogie(field.Type.ResolvedType);
Bpl.TypedIdent tident = new Bpl.TypedIdent(tok, fieldname, t);
v = new Bpl.GlobalVariable(tok,tident);
fieldVarMap.Add(field, v);
ToplevelTraverser.TranslatedProgram.TopLevelDeclarations.Add(new Bpl.Constant(tok, tident, true));
}
return v;
}
/// <summary>
///
/// </summary>
/// <param name="method"></param>
public override void Visit(IMethodDefinition method) {
// check if it's static and so on
MethodTraverser mt;
if (!methodMap.TryGetValue(method, out mt)) {
mt = this.factory.MakeMethodTraverser(this, this.contractProvider);
this.methodMap.Add(method, mt);
}
mt.Visit(method);
}
public override void Visit(IFieldDefinition fieldDefinition) {
this.FindOrCreateFieldVariable(fieldDefinition);
}
public override void Visit(ITypeInvariant typeInvariant) {
// Todo: Not implemented
base.Visit(typeInvariant);
}
}
}
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