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Imported Upstream version 4.8.0.309

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Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2016-11-10 13:04:39 +00:00
parent ee1447783b
commit 94b2861243
4912 changed files with 390737 additions and 49310 deletions
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97
external/cecil/Mono.Cecil.Cil/MethodBody.cs vendored
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@@ -1,38 +1,21 @@
//
// MethodBody.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2011 Jb Evain
// Copyright (c) 2008 - 2015 Jb Evain
// Copyright (c) 2008 - 2011 Novell, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// Licensed under the MIT/X11 license.
//
using System;
using System.Threading;
using Mono.Collections.Generic;
namespace Mono.Cecil.Cil {
public sealed class MethodBody : IVariableDefinitionProvider {
public sealed class MethodBody {
readonly internal MethodDefinition method;
@@ -45,7 +28,6 @@ namespace Mono.Cecil.Cil {
internal Collection<Instruction> instructions;
internal Collection<ExceptionHandler> exceptions;
internal Collection<VariableDefinition> variables;
Scope scope;
public MethodDefinition Method {
get { return method; }
@@ -71,7 +53,7 @@ namespace Mono.Cecil.Cil {
}
public Collection<Instruction> Instructions {
get { return instructions ?? (instructions = new InstructionCollection ()); }
get { return instructions ?? (instructions = new InstructionCollection (method)); }
}
public bool HasExceptionHandlers {
@@ -90,11 +72,6 @@ namespace Mono.Cecil.Cil {
get { return variables ?? (variables = new VariableDefinitionCollection ()); }
}
public Scope Scope {
get { return scope; }
set { scope = value; }
}
public ParameterDefinition ThisParameter {
get {
if (method == null || method.DeclaringType == null)
@@ -103,18 +80,32 @@ namespace Mono.Cecil.Cil {
if (!method.HasThis)
return null;
if (this_parameter != null)
return this_parameter;
if (this_parameter == null)
Interlocked.CompareExchange (ref this_parameter, CreateThisParameter (method), null);
var declaring_type = method.DeclaringType;
var type = declaring_type.IsValueType || declaring_type.IsPrimitive
? new PointerType (declaring_type)
: declaring_type as TypeReference;
return this_parameter = new ParameterDefinition (type, method);
return this_parameter;
}
}
static ParameterDefinition CreateThisParameter (MethodDefinition method)
{
var parameter_type = method.DeclaringType as TypeReference;
if (parameter_type.HasGenericParameters) {
var instance = new GenericInstanceType (parameter_type);
for (int i = 0; i < parameter_type.GenericParameters.Count; i++)
instance.GenericArguments.Add (parameter_type.GenericParameters [i]);
parameter_type = instance;
}
if (parameter_type.IsValueType || parameter_type.IsPrimitive)
parameter_type = new ByReferenceType (parameter_type);
return new ParameterDefinition (parameter_type, method);
}
public MethodBody (MethodDefinition method)
{
this.method = method;
@@ -126,12 +117,7 @@ namespace Mono.Cecil.Cil {
}
}
public interface IVariableDefinitionProvider {
bool HasVariables { get; }
Collection<VariableDefinition> Variables { get; }
}
class VariableDefinitionCollection : Collection<VariableDefinition> {
sealed class VariableDefinitionCollection : Collection<VariableDefinition> {
internal VariableDefinitionCollection ()
{
@@ -171,13 +157,17 @@ namespace Mono.Cecil.Cil {
class InstructionCollection : Collection<Instruction> {
internal InstructionCollection ()
readonly MethodDefinition method;
internal InstructionCollection (MethodDefinition method)
{
this.method = method;
}
internal InstructionCollection (int capacity)
internal InstructionCollection (MethodDefinition method, int capacity)
: base (capacity)
{
this.method = method;
}
protected override void OnAdd (Instruction item, int index)
@@ -234,8 +224,25 @@ namespace Mono.Cecil.Cil {
if (next != null)
next.previous = item.previous;
RemoveSequencePoint (item);
item.previous = null;
item.next = null;
}
void RemoveSequencePoint (Instruction instruction)
{
var debug_info = method.debug_info;
if (debug_info == null || !debug_info.HasSequencePoints)
return;
var sequence_points = debug_info.sequence_points;
for (int i = 0; i < sequence_points.Count; i++) {
if (sequence_points [i].Offset == instruction.offset) {
sequence_points.RemoveAt (i);
return;
}
}
}
}
}