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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Cci;
namespace BytecodeTranslator.Phone {
public class PhoneMethodInliningMetadataTraverser : BaseMetadataTraverser {
private HashSet<IMethodDefinition> methodsToInline;
private HashSet<IMethodDefinition> iterMethodsToInline;
private PhoneCodeHelper phoneHelper;
private bool firstPassDone = false;
private bool changedOnLastPass = false;
private IAssemblyReference assemblyBeingTranslated;
public int TotalMethodsCount { get; private set; }
public int InlinedMethodsCount { get { return methodsToInline.Count(); } }
public PhoneMethodInliningMetadataTraverser(PhoneCodeHelper phoneHelper) {
methodsToInline = new HashSet<IMethodDefinition>();
iterMethodsToInline = new HashSet<IMethodDefinition>();
this.phoneHelper = phoneHelper;
TotalMethodsCount = 0;
}
public override void Visit(IEnumerable<IModule> modules) {
foreach (IModule module in modules) {
assemblyBeingTranslated= module.ContainingAssembly;
this.Visit(module);
}
firstPassDone = true;
}
public override void Visit(IMethodDefinition method) {
if (!firstPassDone)
TotalMethodsCount++;
if (iterMethodsToInline.Contains(method) || (!firstPassDone && phoneHelper.mustInlineMethod(method))) {
PhoneMethodInliningCodeTraverser codeTraverser= new PhoneMethodInliningCodeTraverser();
codeTraverser.Visit(method);
foreach (IMethodDefinition newMethodDef in codeTraverser.getMethodsFound()) {
bool isExtern = this.assemblyBeingTranslated != null &&
!TypeHelper.GetDefiningUnitReference(newMethodDef.ContainingType).UnitIdentity.Equals(this.assemblyBeingTranslated.UnitIdentity);
if (!methodsToInline.Contains(newMethodDef) && !isExtern) {
iterMethodsToInline.Add(newMethodDef);
changedOnLastPass = true;
}
}
methodsToInline.Add(method);
iterMethodsToInline.Remove(method);
}
}
public IEnumerable<IMethodDefinition> getMethodsToInline() {
return methodsToInline;
}
public bool isFinished() {
return firstPassDone && !changedOnLastPass;
}
public void findAllMethodsToInline(List<IModule> modules) {
while (!isFinished()) {
changedOnLastPass = false;
Visit(modules);
}
}
}
class PhoneMethodInliningCodeTraverser : BaseCodeTraverser {
private HashSet<IMethodDefinition> foundMethods = new HashSet<IMethodDefinition>();
public override void Visit(IMethodCall methodCall) {
foundMethods.Add(methodCall.MethodToCall.ResolvedMethod);
}
public IEnumerable<IMethodDefinition> getMethodsFound() {
return foundMethods;
}
}
}
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