1667 lines
82 KiB
C#
1667 lines
82 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="GenerateHelper.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">Microsoft</owner>
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//------------------------------------------------------------------------------
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using System;
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using System.Globalization;
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using System.Xml;
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using System.Xml.XPath;
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using System.Xml.Schema;
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using System.Text;
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using System.IO;
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using System.Collections;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Reflection.Emit;
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using System.Security;
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using System.Diagnostics;
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using System.Diagnostics.SymbolStore;
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using System.Xml.Xsl.Qil;
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using System.Xml.Xsl.Runtime;
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using System.Runtime.Versioning;
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namespace System.Xml.Xsl.IlGen {
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using Res = System.Xml.Utils.Res;
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/// <summary>
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/// List of all XmlIL runtime constructors.
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/// </summary>
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internal class XmlILStorageMethods {
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// Aggregates
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public MethodInfo AggAvg;
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public MethodInfo AggAvgResult;
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public MethodInfo AggCreate;
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public MethodInfo AggIsEmpty;
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public MethodInfo AggMax;
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public MethodInfo AggMaxResult;
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public MethodInfo AggMin;
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public MethodInfo AggMinResult;
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public MethodInfo AggSum;
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public MethodInfo AggSumResult;
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// Sequences
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public Type SeqType;
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public FieldInfo SeqEmpty;
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public MethodInfo SeqReuse;
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public MethodInfo SeqReuseSgl;
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public MethodInfo SeqAdd;
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public MethodInfo SeqSortByKeys;
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// IList<>
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public Type IListType;
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public MethodInfo IListCount;
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public MethodInfo IListItem;
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// XPathItem
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public MethodInfo ValueAs;
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// ToAtomicValue
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public MethodInfo ToAtomicValue;
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public XmlILStorageMethods(Type storageType) {
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// Aggregates
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if (storageType == typeof(int) || storageType == typeof(long) ||
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storageType == typeof(decimal) || storageType == typeof(double)) {
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Type aggType = Type.GetType("System.Xml.Xsl.Runtime." + storageType.Name + "Aggregator");
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AggAvg = XmlILMethods.GetMethod(aggType, "Average");
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AggAvgResult = XmlILMethods.GetMethod(aggType, "get_AverageResult");
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AggCreate = XmlILMethods.GetMethod(aggType, "Create");
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AggIsEmpty = XmlILMethods.GetMethod(aggType, "get_IsEmpty");
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AggMax = XmlILMethods.GetMethod(aggType, "Maximum");
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AggMaxResult = XmlILMethods.GetMethod(aggType, "get_MaximumResult");
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AggMin = XmlILMethods.GetMethod(aggType, "Minimum");
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AggMinResult = XmlILMethods.GetMethod(aggType, "get_MinimumResult");
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AggSum = XmlILMethods.GetMethod(aggType, "Sum");
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AggSumResult = XmlILMethods.GetMethod(aggType, "get_SumResult");
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}
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// Sequences
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if (storageType == typeof(XPathNavigator)) {
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SeqType = typeof(XmlQueryNodeSequence);
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SeqAdd = XmlILMethods.GetMethod(SeqType, "AddClone");
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}
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else if (storageType == typeof(XPathItem)) {
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SeqType = typeof(XmlQueryItemSequence);
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SeqAdd = XmlILMethods.GetMethod(SeqType, "AddClone");
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}
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else {
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SeqType = typeof(XmlQuerySequence<>).MakeGenericType(storageType);
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SeqAdd = XmlILMethods.GetMethod(SeqType, "Add");
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}
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SeqEmpty = SeqType.GetField("Empty");
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SeqReuse = XmlILMethods.GetMethod(SeqType, "CreateOrReuse", SeqType);
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SeqReuseSgl = XmlILMethods.GetMethod(SeqType, "CreateOrReuse", SeqType, storageType);
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SeqSortByKeys = XmlILMethods.GetMethod(SeqType, "SortByKeys");
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// IList<>
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IListType = typeof(IList<>).MakeGenericType(storageType);
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IListItem = XmlILMethods.GetMethod(IListType, "get_Item");
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IListCount = XmlILMethods.GetMethod(typeof(ICollection<>).MakeGenericType(storageType), "get_Count");
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// XPathItem.ValueAsXXX
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if (storageType == typeof(string))
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ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_Value");
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else if (storageType == typeof(int))
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ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsInt");
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else if (storageType == typeof(long))
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ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsLong");
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else if (storageType == typeof(DateTime))
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ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsDateTime");
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else if (storageType == typeof(double))
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ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsDouble");
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else if (storageType == typeof(bool))
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ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsBoolean");
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// XmlILStorageConverter.XXXToAtomicValue
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if (storageType == typeof(byte[]))
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ToAtomicValue = XmlILMethods.GetMethod(typeof(XmlILStorageConverter), "BytesToAtomicValue");
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else if (storageType != typeof(XPathItem) && storageType != typeof(XPathNavigator))
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ToAtomicValue = XmlILMethods.GetMethod(typeof(XmlILStorageConverter), storageType.Name + "ToAtomicValue");
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}
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}
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/// <summary>
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/// List of all XmlIL runtime constructors.
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/// </summary>
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internal static class XmlILConstructors {
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public static readonly ConstructorInfo DecFromParts = GetConstructor(typeof(decimal), typeof(int), typeof(int), typeof(int), typeof(bool), typeof(byte));
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public static readonly ConstructorInfo DecFromInt32 = GetConstructor(typeof(decimal), typeof(int));
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public static readonly ConstructorInfo DecFromInt64 = GetConstructor(typeof(decimal), typeof(long));
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public static readonly ConstructorInfo Debuggable = GetConstructor(typeof(DebuggableAttribute), typeof(DebuggableAttribute.DebuggingModes));
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public static readonly ConstructorInfo NonUserCode = GetConstructor(typeof(DebuggerNonUserCodeAttribute));
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public static readonly ConstructorInfo QName = GetConstructor(typeof(XmlQualifiedName), typeof(string), typeof(string));
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public static readonly ConstructorInfo StepThrough = GetConstructor(typeof(DebuggerStepThroughAttribute));
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public static readonly ConstructorInfo Transparent = GetConstructor(typeof(SecurityTransparentAttribute));
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private static ConstructorInfo GetConstructor(Type className) {
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ConstructorInfo constrInfo = className.GetConstructor(new Type[] {});
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Debug.Assert(constrInfo != null, "Constructor " + className + " cannot be null.");
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return constrInfo;
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}
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private static ConstructorInfo GetConstructor(Type className, params Type[] args) {
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ConstructorInfo constrInfo = className.GetConstructor(args);
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Debug.Assert(constrInfo != null, "Constructor " + className + " cannot be null.");
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return constrInfo;
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}
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}
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/// <summary>
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/// List of all XmlIL runtime methods.
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/// </summary>
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internal static class XmlILMethods {
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// Iterators
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public static readonly MethodInfo AncCreate = GetMethod(typeof(AncestorIterator), "Create");
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public static readonly MethodInfo AncNext = GetMethod(typeof(AncestorIterator), "MoveNext");
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public static readonly MethodInfo AncDOCreate = GetMethod(typeof(AncestorDocOrderIterator), "Create");
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public static readonly MethodInfo AncDONext = GetMethod(typeof(AncestorDocOrderIterator), "MoveNext");
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public static readonly MethodInfo AttrContentCreate = GetMethod(typeof(AttributeContentIterator), "Create");
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public static readonly MethodInfo AttrContentNext = GetMethod(typeof(AttributeContentIterator), "MoveNext");
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public static readonly MethodInfo AttrCreate = GetMethod(typeof(AttributeIterator), "Create");
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public static readonly MethodInfo AttrNext = GetMethod(typeof(AttributeIterator), "MoveNext");
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public static readonly MethodInfo ContentCreate = GetMethod(typeof(ContentIterator), "Create");
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public static readonly MethodInfo ContentNext = GetMethod(typeof(ContentIterator), "MoveNext");
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public static readonly MethodInfo ContentMergeCreate = GetMethod(typeof(ContentMergeIterator), "Create");
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public static readonly MethodInfo ContentMergeNext = GetMethod(typeof(ContentMergeIterator), "MoveNext");
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public static readonly MethodInfo DescCreate = GetMethod(typeof(DescendantIterator), "Create");
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public static readonly MethodInfo DescNext = GetMethod(typeof(DescendantIterator), "MoveNext");
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public static readonly MethodInfo DescMergeCreate = GetMethod(typeof(DescendantMergeIterator), "Create");
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public static readonly MethodInfo DescMergeNext = GetMethod(typeof(DescendantMergeIterator), "MoveNext");
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public static readonly MethodInfo DiffCreate = GetMethod(typeof(DifferenceIterator), "Create");
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public static readonly MethodInfo DiffNext = GetMethod(typeof(DifferenceIterator), "MoveNext");
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public static readonly MethodInfo DodMergeCreate = GetMethod(typeof(DodSequenceMerge), "Create");
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public static readonly MethodInfo DodMergeAdd = GetMethod(typeof(DodSequenceMerge), "AddSequence");
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public static readonly MethodInfo DodMergeSeq = GetMethod(typeof(DodSequenceMerge), "MergeSequences");
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public static readonly MethodInfo ElemContentCreate = GetMethod(typeof(ElementContentIterator), "Create");
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public static readonly MethodInfo ElemContentNext = GetMethod(typeof(ElementContentIterator), "MoveNext");
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public static readonly MethodInfo FollSibCreate = GetMethod(typeof(FollowingSiblingIterator), "Create");
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public static readonly MethodInfo FollSibNext = GetMethod(typeof(FollowingSiblingIterator), "MoveNext");
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public static readonly MethodInfo FollSibMergeCreate = GetMethod(typeof(FollowingSiblingMergeIterator), "Create");
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public static readonly MethodInfo FollSibMergeNext = GetMethod(typeof(FollowingSiblingMergeIterator), "MoveNext");
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public static readonly MethodInfo IdCreate = GetMethod(typeof(IdIterator), "Create");
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public static readonly MethodInfo IdNext = GetMethod(typeof(IdIterator), "MoveNext");
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public static readonly MethodInfo InterCreate = GetMethod(typeof(IntersectIterator), "Create");
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public static readonly MethodInfo InterNext = GetMethod(typeof(IntersectIterator), "MoveNext");
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public static readonly MethodInfo KindContentCreate = GetMethod(typeof(NodeKindContentIterator), "Create");
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public static readonly MethodInfo KindContentNext = GetMethod(typeof(NodeKindContentIterator), "MoveNext");
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public static readonly MethodInfo NmspCreate = GetMethod(typeof(NamespaceIterator), "Create");
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public static readonly MethodInfo NmspNext = GetMethod(typeof(NamespaceIterator), "MoveNext");
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public static readonly MethodInfo NodeRangeCreate = GetMethod(typeof(NodeRangeIterator), "Create");
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public static readonly MethodInfo NodeRangeNext = GetMethod(typeof(NodeRangeIterator), "MoveNext");
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public static readonly MethodInfo ParentCreate = GetMethod(typeof(ParentIterator), "Create");
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public static readonly MethodInfo ParentNext = GetMethod(typeof(ParentIterator), "MoveNext");
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public static readonly MethodInfo PrecCreate = GetMethod(typeof(PrecedingIterator), "Create");
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public static readonly MethodInfo PrecNext = GetMethod(typeof(PrecedingIterator), "MoveNext");
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public static readonly MethodInfo PreSibCreate = GetMethod(typeof(PrecedingSiblingIterator), "Create");
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public static readonly MethodInfo PreSibNext = GetMethod(typeof(PrecedingSiblingIterator), "MoveNext");
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public static readonly MethodInfo PreSibDOCreate = GetMethod(typeof(PrecedingSiblingDocOrderIterator), "Create");
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public static readonly MethodInfo PreSibDONext = GetMethod(typeof(PrecedingSiblingDocOrderIterator), "MoveNext");
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public static readonly MethodInfo SortKeyCreate = GetMethod(typeof(XmlSortKeyAccumulator), "Create");
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public static readonly MethodInfo SortKeyDateTime = GetMethod(typeof(XmlSortKeyAccumulator), "AddDateTimeSortKey");
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public static readonly MethodInfo SortKeyDecimal = GetMethod(typeof(XmlSortKeyAccumulator), "AddDecimalSortKey");
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public static readonly MethodInfo SortKeyDouble = GetMethod(typeof(XmlSortKeyAccumulator), "AddDoubleSortKey");
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public static readonly MethodInfo SortKeyEmpty = GetMethod(typeof(XmlSortKeyAccumulator), "AddEmptySortKey");
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public static readonly MethodInfo SortKeyFinish = GetMethod(typeof(XmlSortKeyAccumulator), "FinishSortKeys");
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public static readonly MethodInfo SortKeyInt = GetMethod(typeof(XmlSortKeyAccumulator), "AddIntSortKey");
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public static readonly MethodInfo SortKeyInteger = GetMethod(typeof(XmlSortKeyAccumulator), "AddIntegerSortKey");
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public static readonly MethodInfo SortKeyKeys = GetMethod(typeof(XmlSortKeyAccumulator), "get_Keys");
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public static readonly MethodInfo SortKeyString = GetMethod(typeof(XmlSortKeyAccumulator), "AddStringSortKey");
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public static readonly MethodInfo UnionCreate = GetMethod(typeof(UnionIterator), "Create");
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public static readonly MethodInfo UnionNext = GetMethod(typeof(UnionIterator), "MoveNext");
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public static readonly MethodInfo XPFollCreate = GetMethod(typeof(XPathFollowingIterator), "Create");
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public static readonly MethodInfo XPFollNext = GetMethod(typeof(XPathFollowingIterator), "MoveNext");
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public static readonly MethodInfo XPFollMergeCreate = GetMethod(typeof(XPathFollowingMergeIterator), "Create");
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public static readonly MethodInfo XPFollMergeNext = GetMethod(typeof(XPathFollowingMergeIterator), "MoveNext");
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public static readonly MethodInfo XPPrecCreate = GetMethod(typeof(XPathPrecedingIterator), "Create");
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public static readonly MethodInfo XPPrecNext = GetMethod(typeof(XPathPrecedingIterator), "MoveNext");
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public static readonly MethodInfo XPPrecDOCreate = GetMethod(typeof(XPathPrecedingDocOrderIterator), "Create");
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public static readonly MethodInfo XPPrecDONext = GetMethod(typeof(XPathPrecedingDocOrderIterator), "MoveNext");
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public static readonly MethodInfo XPPrecMergeCreate = GetMethod(typeof(XPathPrecedingMergeIterator), "Create");
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public static readonly MethodInfo XPPrecMergeNext = GetMethod(typeof(XPathPrecedingMergeIterator), "MoveNext");
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// XmlQueryRuntime
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public static readonly MethodInfo AddNewIndex = GetMethod(typeof(XmlQueryRuntime), "AddNewIndex");
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public static readonly MethodInfo ChangeTypeXsltArg = GetMethod(typeof(XmlQueryRuntime), "ChangeTypeXsltArgument", typeof(int), typeof(object), typeof(Type));
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public static readonly MethodInfo ChangeTypeXsltResult = GetMethod(typeof(XmlQueryRuntime), "ChangeTypeXsltResult");
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public static readonly MethodInfo CompPos = GetMethod(typeof(XmlQueryRuntime), "ComparePosition");
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public static readonly MethodInfo Context = GetMethod(typeof(XmlQueryRuntime), "get_ExternalContext");
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public static readonly MethodInfo CreateCollation = GetMethod(typeof(XmlQueryRuntime), "CreateCollation");
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public static readonly MethodInfo DocOrder = GetMethod(typeof(XmlQueryRuntime), "DocOrderDistinct");
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public static readonly MethodInfo EndRtfConstr = GetMethod(typeof(XmlQueryRuntime), "EndRtfConstruction");
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public static readonly MethodInfo EndSeqConstr = GetMethod(typeof(XmlQueryRuntime), "EndSequenceConstruction");
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public static readonly MethodInfo FindIndex = GetMethod(typeof(XmlQueryRuntime), "FindIndex");
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public static readonly MethodInfo GenId = GetMethod(typeof(XmlQueryRuntime), "GenerateId");
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public static readonly MethodInfo GetAtomizedName = GetMethod(typeof(XmlQueryRuntime), "GetAtomizedName");
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public static readonly MethodInfo GetCollation = GetMethod(typeof(XmlQueryRuntime), "GetCollation");
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public static readonly MethodInfo GetEarly = GetMethod(typeof(XmlQueryRuntime), "GetEarlyBoundObject");
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public static readonly MethodInfo GetNameFilter = GetMethod(typeof(XmlQueryRuntime), "GetNameFilter");
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public static readonly MethodInfo GetOutput = GetMethod(typeof(XmlQueryRuntime), "get_Output");
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public static readonly MethodInfo GetGlobalValue = GetMethod(typeof(XmlQueryRuntime), "GetGlobalValue");
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public static readonly MethodInfo GetTypeFilter = GetMethod(typeof(XmlQueryRuntime), "GetTypeFilter");
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public static readonly MethodInfo GlobalComputed = GetMethod(typeof(XmlQueryRuntime), "IsGlobalComputed");
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public static readonly MethodInfo ItemMatchesCode = GetMethod(typeof(XmlQueryRuntime), "MatchesXmlType", typeof(XPathItem), typeof(XmlTypeCode));
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public static readonly MethodInfo ItemMatchesType = GetMethod(typeof(XmlQueryRuntime), "MatchesXmlType", typeof(XPathItem), typeof(int));
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public static readonly MethodInfo QNameEqualLit = GetMethod(typeof(XmlQueryRuntime), "IsQNameEqual", typeof(XPathNavigator), typeof(int), typeof(int));
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public static readonly MethodInfo QNameEqualNav = GetMethod(typeof(XmlQueryRuntime), "IsQNameEqual", typeof(XPathNavigator), typeof(XPathNavigator));
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public static readonly MethodInfo RtfConstr = GetMethod(typeof(XmlQueryRuntime), "TextRtfConstruction");
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public static readonly MethodInfo SendMessage = GetMethod(typeof(XmlQueryRuntime), "SendMessage");
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public static readonly MethodInfo SeqMatchesCode = GetMethod(typeof(XmlQueryRuntime), "MatchesXmlType", typeof(IList<XPathItem>), typeof(XmlTypeCode));
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public static readonly MethodInfo SeqMatchesType = GetMethod(typeof(XmlQueryRuntime), "MatchesXmlType", typeof(IList<XPathItem>), typeof(int));
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public static readonly MethodInfo SetGlobalValue = GetMethod(typeof(XmlQueryRuntime), "SetGlobalValue");
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public static readonly MethodInfo StartRtfConstr = GetMethod(typeof(XmlQueryRuntime), "StartRtfConstruction");
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public static readonly MethodInfo StartSeqConstr = GetMethod(typeof(XmlQueryRuntime), "StartSequenceConstruction");
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public static readonly MethodInfo TagAndMappings = GetMethod(typeof(XmlQueryRuntime), "ParseTagName", typeof(string), typeof(int));
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public static readonly MethodInfo TagAndNamespace = GetMethod(typeof(XmlQueryRuntime), "ParseTagName", typeof(string), typeof(string));
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public static readonly MethodInfo ThrowException = GetMethod(typeof(XmlQueryRuntime), "ThrowException");
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public static readonly MethodInfo XsltLib = GetMethod(typeof(XmlQueryRuntime), "get_XsltFunctions");
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// XmlQueryContext
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public static readonly MethodInfo GetDataSource = GetMethod(typeof(XmlQueryContext), "GetDataSource");
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public static readonly MethodInfo GetDefaultDataSource = GetMethod(typeof(XmlQueryContext), "get_DefaultDataSource");
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public static readonly MethodInfo GetParam = GetMethod(typeof(XmlQueryContext), "GetParameter");
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public static readonly MethodInfo InvokeXsltLate = GetMethod(typeof(XmlQueryContext), "InvokeXsltLateBoundFunction");
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// XmlILIndex
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public static readonly MethodInfo IndexAdd = GetMethod(typeof(XmlILIndex), "Add");
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public static readonly MethodInfo IndexLookup = GetMethod(typeof(XmlILIndex), "Lookup");
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// XPathItem
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public static readonly MethodInfo ItemIsNode = GetMethod(typeof(XPathItem), "get_IsNode");
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public static readonly MethodInfo Value = GetMethod(typeof(XPathItem), "get_Value");
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public static readonly MethodInfo ValueAsAny = GetMethod(typeof(XPathItem), "ValueAs", typeof(Type), typeof(IXmlNamespaceResolver));
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// XPathNavigator
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public static readonly MethodInfo NavClone = GetMethod(typeof(XPathNavigator), "Clone");
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public static readonly MethodInfo NavLocalName = GetMethod(typeof(XPathNavigator), "get_LocalName");
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public static readonly MethodInfo NavMoveAttr = GetMethod(typeof(XPathNavigator), "MoveToAttribute", typeof(string), typeof(string));
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public static readonly MethodInfo NavMoveId = GetMethod(typeof(XPathNavigator), "MoveToId");
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public static readonly MethodInfo NavMoveParent = GetMethod(typeof(XPathNavigator), "MoveToParent");
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public static readonly MethodInfo NavMoveRoot = GetMethod(typeof(XPathNavigator), "MoveToRoot");
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public static readonly MethodInfo NavMoveTo = GetMethod(typeof(XPathNavigator), "MoveTo");
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public static readonly MethodInfo NavNmsp = GetMethod(typeof(XPathNavigator), "get_NamespaceURI");
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public static readonly MethodInfo NavPrefix = GetMethod(typeof(XPathNavigator), "get_Prefix");
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public static readonly MethodInfo NavSamePos = GetMethod(typeof(XPathNavigator), "IsSamePosition");
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public static readonly MethodInfo NavType = GetMethod(typeof(XPathNavigator), "get_NodeType");
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// XmlQueryOutput methods
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public static readonly MethodInfo StartElemLitName = GetMethod(typeof(XmlQueryOutput), "WriteStartElement", typeof(string), typeof(string), typeof(string));
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public static readonly MethodInfo StartElemLocName = GetMethod(typeof(XmlQueryOutput), "WriteStartElementLocalName", typeof(string));
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public static readonly MethodInfo EndElemStackName = GetMethod(typeof(XmlQueryOutput), "WriteEndElement");
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public static readonly MethodInfo StartAttrLitName = GetMethod(typeof(XmlQueryOutput), "WriteStartAttribute", typeof(string), typeof(string), typeof(string));
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public static readonly MethodInfo StartAttrLocName = GetMethod(typeof(XmlQueryOutput), "WriteStartAttributeLocalName", typeof(string));
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public static readonly MethodInfo EndAttr = GetMethod(typeof(XmlQueryOutput), "WriteEndAttribute");
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public static readonly MethodInfo Text = GetMethod(typeof(XmlQueryOutput), "WriteString");
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public static readonly MethodInfo NoEntText = GetMethod(typeof(XmlQueryOutput), "WriteRaw", typeof(string));
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public static readonly MethodInfo StartTree = GetMethod(typeof(XmlQueryOutput), "StartTree");
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public static readonly MethodInfo EndTree = GetMethod(typeof(XmlQueryOutput), "EndTree");
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public static readonly MethodInfo StartElemLitNameUn = GetMethod(typeof(XmlQueryOutput), "WriteStartElementUnchecked", typeof(string), typeof(string), typeof(string));
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public static readonly MethodInfo StartElemLocNameUn = GetMethod(typeof(XmlQueryOutput), "WriteStartElementUnchecked", typeof(string));
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public static readonly MethodInfo StartContentUn = GetMethod(typeof(XmlQueryOutput), "StartElementContentUnchecked");
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public static readonly MethodInfo EndElemLitNameUn = GetMethod(typeof(XmlQueryOutput), "WriteEndElementUnchecked", typeof(string), typeof(string), typeof(string));
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public static readonly MethodInfo EndElemLocNameUn = GetMethod(typeof(XmlQueryOutput), "WriteEndElementUnchecked", typeof(string));
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public static readonly MethodInfo StartAttrLitNameUn = GetMethod(typeof(XmlQueryOutput), "WriteStartAttributeUnchecked", typeof(string), typeof(string), typeof(string));
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public static readonly MethodInfo StartAttrLocNameUn = GetMethod(typeof(XmlQueryOutput), "WriteStartAttributeUnchecked", typeof(string));
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public static readonly MethodInfo EndAttrUn = GetMethod(typeof(XmlQueryOutput), "WriteEndAttributeUnchecked");
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public static readonly MethodInfo NamespaceDeclUn = GetMethod(typeof(XmlQueryOutput), "WriteNamespaceDeclarationUnchecked");
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public static readonly MethodInfo TextUn = GetMethod(typeof(XmlQueryOutput), "WriteStringUnchecked");
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public static readonly MethodInfo NoEntTextUn = GetMethod(typeof(XmlQueryOutput), "WriteRawUnchecked");
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public static readonly MethodInfo StartRoot = GetMethod(typeof(XmlQueryOutput), "WriteStartRoot");
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public static readonly MethodInfo EndRoot = GetMethod(typeof(XmlQueryOutput), "WriteEndRoot");
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public static readonly MethodInfo StartElemCopyName = GetMethod(typeof(XmlQueryOutput), "WriteStartElementComputed", typeof(XPathNavigator));
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public static readonly MethodInfo StartElemMapName = GetMethod(typeof(XmlQueryOutput), "WriteStartElementComputed", typeof(string), typeof(int));
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public static readonly MethodInfo StartElemNmspName = GetMethod(typeof(XmlQueryOutput), "WriteStartElementComputed", typeof(string), typeof(string));
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public static readonly MethodInfo StartElemQName = GetMethod(typeof(XmlQueryOutput), "WriteStartElementComputed", typeof(XmlQualifiedName));
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public static readonly MethodInfo StartAttrCopyName = GetMethod(typeof(XmlQueryOutput), "WriteStartAttributeComputed", typeof(XPathNavigator));
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public static readonly MethodInfo StartAttrMapName = GetMethod(typeof(XmlQueryOutput), "WriteStartAttributeComputed", typeof(string), typeof(int));
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public static readonly MethodInfo StartAttrNmspName = GetMethod(typeof(XmlQueryOutput), "WriteStartAttributeComputed", typeof(string), typeof(string));
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public static readonly MethodInfo StartAttrQName = GetMethod(typeof(XmlQueryOutput), "WriteStartAttributeComputed", typeof(XmlQualifiedName));
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public static readonly MethodInfo NamespaceDecl = GetMethod(typeof(XmlQueryOutput), "WriteNamespaceDeclaration");
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public static readonly MethodInfo StartComment = GetMethod(typeof(XmlQueryOutput), "WriteStartComment");
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|
public static readonly MethodInfo CommentText = GetMethod(typeof(XmlQueryOutput), "WriteCommentString");
|
|
public static readonly MethodInfo EndComment = GetMethod(typeof(XmlQueryOutput), "WriteEndComment");
|
|
public static readonly MethodInfo StartPI = GetMethod(typeof(XmlQueryOutput), "WriteStartProcessingInstruction");
|
|
public static readonly MethodInfo PIText = GetMethod(typeof(XmlQueryOutput), "WriteProcessingInstructionString");
|
|
public static readonly MethodInfo EndPI = GetMethod(typeof(XmlQueryOutput), "WriteEndProcessingInstruction");
|
|
public static readonly MethodInfo WriteItem = GetMethod(typeof(XmlQueryOutput), "WriteItem");
|
|
public static readonly MethodInfo CopyOf = GetMethod(typeof(XmlQueryOutput), "XsltCopyOf");
|
|
public static readonly MethodInfo StartCopy = GetMethod(typeof(XmlQueryOutput), "StartCopy");
|
|
public static readonly MethodInfo EndCopy = GetMethod(typeof(XmlQueryOutput), "EndCopy");
|
|
|
|
// Datatypes
|
|
public static readonly MethodInfo DecAdd = GetMethod(typeof(decimal), "Add");
|
|
public static readonly MethodInfo DecCmp = GetMethod(typeof(decimal), "Compare", typeof(decimal), typeof(decimal));
|
|
public static readonly MethodInfo DecEq = GetMethod(typeof(decimal), "Equals", typeof(decimal), typeof(decimal));
|
|
public static readonly MethodInfo DecSub = GetMethod(typeof(decimal), "Subtract");
|
|
public static readonly MethodInfo DecMul = GetMethod(typeof(decimal), "Multiply");
|
|
public static readonly MethodInfo DecDiv = GetMethod(typeof(decimal), "Divide");
|
|
public static readonly MethodInfo DecRem = GetMethod(typeof(decimal), "Remainder");
|
|
public static readonly MethodInfo DecNeg = GetMethod(typeof(decimal), "Negate");
|
|
public static readonly MethodInfo QNameEq = GetMethod(typeof(XmlQualifiedName), "Equals");
|
|
public static readonly MethodInfo StrEq = GetMethod(typeof(string), "Equals", typeof(string), typeof(string));
|
|
public static readonly MethodInfo StrCat2 = GetMethod(typeof(string), "Concat", typeof(string), typeof(string));
|
|
public static readonly MethodInfo StrCat3 = GetMethod(typeof(string), "Concat", typeof(string), typeof(string), typeof(string));
|
|
public static readonly MethodInfo StrCat4 = GetMethod(typeof(string), "Concat", typeof(string), typeof(string), typeof(string), typeof(string));
|
|
public static readonly MethodInfo StrCmp = GetMethod(typeof(string), "CompareOrdinal", typeof(string), typeof(string));
|
|
public static readonly MethodInfo StrLen = GetMethod(typeof(string), "get_Length");
|
|
|
|
// XsltConvert
|
|
public static readonly MethodInfo DblToDec = GetMethod(typeof(XsltConvert), "ToDecimal", typeof(double));
|
|
public static readonly MethodInfo DblToInt = GetMethod(typeof(XsltConvert), "ToInt", typeof(double));
|
|
public static readonly MethodInfo DblToLng = GetMethod(typeof(XsltConvert), "ToLong", typeof(double));
|
|
public static readonly MethodInfo DblToStr = GetMethod(typeof(XsltConvert), "ToString", typeof(double));
|
|
public static readonly MethodInfo DecToDbl = GetMethod(typeof(XsltConvert), "ToDouble", typeof(decimal));
|
|
public static readonly MethodInfo DTToStr = GetMethod(typeof(XsltConvert), "ToString", typeof(DateTime));
|
|
public static readonly MethodInfo IntToDbl = GetMethod(typeof(XsltConvert), "ToDouble", typeof(int));
|
|
public static readonly MethodInfo LngToDbl = GetMethod(typeof(XsltConvert), "ToDouble", typeof(long));
|
|
public static readonly MethodInfo StrToDbl = GetMethod(typeof(XsltConvert), "ToDouble", typeof(string));
|
|
public static readonly MethodInfo StrToDT = GetMethod(typeof(XsltConvert), "ToDateTime", typeof(string));
|
|
|
|
public static readonly MethodInfo ItemToBool = GetMethod(typeof(XsltConvert), "ToBoolean", typeof(XPathItem));
|
|
public static readonly MethodInfo ItemToDbl = GetMethod(typeof(XsltConvert), "ToDouble", typeof(XPathItem));
|
|
public static readonly MethodInfo ItemToStr = GetMethod(typeof(XsltConvert), "ToString", typeof(XPathItem));
|
|
public static readonly MethodInfo ItemToNode = GetMethod(typeof(XsltConvert), "ToNode", typeof(XPathItem));
|
|
public static readonly MethodInfo ItemToNodes = GetMethod(typeof(XsltConvert), "ToNodeSet", typeof(XPathItem));
|
|
|
|
public static readonly MethodInfo ItemsToBool = GetMethod(typeof(XsltConvert), "ToBoolean", typeof(IList<XPathItem>));
|
|
public static readonly MethodInfo ItemsToDbl = GetMethod(typeof(XsltConvert), "ToDouble", typeof(IList<XPathItem>));
|
|
public static readonly MethodInfo ItemsToNode = GetMethod(typeof(XsltConvert), "ToNode", typeof(IList<XPathItem>));
|
|
public static readonly MethodInfo ItemsToNodes = GetMethod(typeof(XsltConvert), "ToNodeSet", typeof(IList<XPathItem>));
|
|
public static readonly MethodInfo ItemsToStr = GetMethod(typeof(XsltConvert), "ToString", typeof(IList<XPathItem>));
|
|
|
|
// StringConcat
|
|
public static readonly MethodInfo StrCatCat = GetMethod(typeof(StringConcat), "Concat");
|
|
public static readonly MethodInfo StrCatClear = GetMethod(typeof(StringConcat), "Clear");
|
|
public static readonly MethodInfo StrCatResult = GetMethod(typeof(StringConcat), "GetResult");
|
|
public static readonly MethodInfo StrCatDelim = GetMethod(typeof(StringConcat), "set_Delimiter");
|
|
|
|
// XmlILStorageConverter
|
|
public static readonly MethodInfo NavsToItems = GetMethod(typeof(XmlILStorageConverter), "NavigatorsToItems");
|
|
public static readonly MethodInfo ItemsToNavs = GetMethod(typeof(XmlILStorageConverter), "ItemsToNavigators");
|
|
|
|
// XmlQueryNodeSequence
|
|
public static readonly MethodInfo SetDod = GetMethod(typeof(XmlQueryNodeSequence), "set_IsDocOrderDistinct");
|
|
|
|
// Miscellaneous
|
|
public static readonly MethodInfo GetTypeFromHandle = GetMethod(typeof(Type), "GetTypeFromHandle");
|
|
public static readonly MethodInfo InitializeArray = GetMethod(typeof(System.Runtime.CompilerServices.RuntimeHelpers), "InitializeArray");
|
|
public static readonly Dictionary<Type, XmlILStorageMethods> StorageMethods;
|
|
|
|
static XmlILMethods() {
|
|
StorageMethods = new Dictionary<Type, XmlILStorageMethods>();
|
|
StorageMethods[typeof(string)] = new XmlILStorageMethods(typeof(string));
|
|
StorageMethods[typeof(bool)] = new XmlILStorageMethods(typeof(bool));
|
|
StorageMethods[typeof(int)] = new XmlILStorageMethods(typeof(int));
|
|
StorageMethods[typeof(long)] = new XmlILStorageMethods(typeof(long));
|
|
StorageMethods[typeof(decimal)] = new XmlILStorageMethods(typeof(decimal));
|
|
StorageMethods[typeof(double)] = new XmlILStorageMethods(typeof(double));
|
|
StorageMethods[typeof(float)] = new XmlILStorageMethods(typeof(float));
|
|
StorageMethods[typeof(DateTime)] = new XmlILStorageMethods(typeof(DateTime));
|
|
StorageMethods[typeof(byte[])] = new XmlILStorageMethods(typeof(byte[]));
|
|
StorageMethods[typeof(XmlQualifiedName)] = new XmlILStorageMethods(typeof(XmlQualifiedName));
|
|
StorageMethods[typeof(TimeSpan)] = new XmlILStorageMethods(typeof(TimeSpan));
|
|
StorageMethods[typeof(XPathItem)] = new XmlILStorageMethods(typeof(XPathItem));
|
|
StorageMethods[typeof(XPathNavigator)] = new XmlILStorageMethods(typeof(XPathNavigator));
|
|
}
|
|
|
|
public static MethodInfo GetMethod(Type className, string methName) {
|
|
MethodInfo methInfo = className.GetMethod(methName);
|
|
Debug.Assert(methInfo != null, "Method " + className.Name + "." + methName + " cannot be null.");
|
|
return methInfo;
|
|
}
|
|
|
|
public static MethodInfo GetMethod(Type className, string methName, params Type[] args) {
|
|
MethodInfo methInfo = className.GetMethod(methName, args);
|
|
Debug.Assert(methInfo != null, "Method " + methName + " cannot be null.");
|
|
return methInfo;
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// When named nodes are constructed, there are several possible ways for their names to be created.
|
|
/// </summary>
|
|
internal enum GenerateNameType {
|
|
LiteralLocalName, // Local name is a literal string; namespace is null
|
|
LiteralName, // All parts of the name are literal strings
|
|
CopiedName, // Name should be copied from a navigator
|
|
TagNameAndMappings, // Tagname contains prefix:localName and prefix is mapped to a namespace
|
|
TagNameAndNamespace, // Tagname contains prefix:localName and namespace is provided
|
|
QName, // Name is computed QName (no prefix available)
|
|
StackName, // Element name has already been pushed onto XmlQueryOutput stack
|
|
}
|
|
|
|
/// <summary>
|
|
/// Contains helper methods used during the code generation phase.
|
|
/// </summary>
|
|
internal class GenerateHelper {
|
|
private MethodBase methInfo;
|
|
private ILGenerator ilgen;
|
|
private LocalBuilder locXOut;
|
|
private XmlILModule module;
|
|
private bool isDebug, initWriters;
|
|
private StaticDataManager staticData;
|
|
private ISourceLineInfo lastSourceInfo;
|
|
private MethodInfo methSyncToNav;
|
|
|
|
#if DEBUG
|
|
private int lblNum;
|
|
private Hashtable symbols;
|
|
private int numLocals;
|
|
private string sourceFile;
|
|
private TextWriter writerDump;
|
|
#endif
|
|
|
|
/// <summary>
|
|
/// Cache metadata used during code-generation phase.
|
|
/// </summary>
|
|
// SxS note: Using hardcoded "dump.il" is an SxS issue. Since we are doing this ONLY in debug builds
|
|
// and only for tracing purposes and MakeVersionSafeName does not seem to be able to handle file
|
|
// extensions correctly I decided to suppress the SxS message (as advised by SxS guys).
|
|
[ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
|
|
[ResourceExposure(ResourceScope.None)]
|
|
public GenerateHelper(XmlILModule module, bool isDebug) {
|
|
this.isDebug = isDebug;
|
|
this.module = module;
|
|
this.staticData = new StaticDataManager();
|
|
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
XmlILTrace.PrepareTraceWriter("dump.il");
|
|
#endif
|
|
}
|
|
|
|
/// <summary>
|
|
/// Begin generating code within a new method.
|
|
/// </summary>
|
|
// SxS note: Using hardcoded "dump.il" is an SxS issue. Since we are doing this ONLY in debug builds
|
|
// and only for tracing purposes and MakeVersionSafeName does not seem to be able to handle file
|
|
// extensions correctly I decided to suppress the SxS message (as advised by SxS guys).
|
|
[ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
|
|
[ResourceExposure(ResourceScope.None)]
|
|
public void MethodBegin(MethodBase methInfo, ISourceLineInfo sourceInfo, bool initWriters) {
|
|
this.methInfo = methInfo;
|
|
this.ilgen = XmlILModule.DefineMethodBody(methInfo);
|
|
this.lastSourceInfo = null;
|
|
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled) {
|
|
this.numLocals = 0;
|
|
this.symbols = new Hashtable();
|
|
this.lblNum = 0;
|
|
this.sourceFile = null;
|
|
|
|
this.writerDump = XmlILTrace.GetTraceWriter("dump.il");
|
|
this.writerDump.WriteLine(".method {0}()", methInfo.Name);
|
|
this.writerDump.WriteLine("{");
|
|
}
|
|
#endif
|
|
|
|
if (this.isDebug) {
|
|
DebugStartScope();
|
|
|
|
// DebugInfo: Sequence point just before generating code for this function
|
|
if (sourceInfo != null) {
|
|
// Don't call DebugSequencePoint, as it puts Nop *before* the sequence point. That is
|
|
// wrong in this case, because we need source line information to be emitted before any
|
|
// IL instruction so that stepping into this function won't end up in the assembly window.
|
|
// We still guarantee that:
|
|
// 1. Two sequence points are never adjacent, since this is the 1st sequence point
|
|
// 2. Stack depth is 0, since this is the very beginning of the method
|
|
MarkSequencePoint(sourceInfo);
|
|
Emit(OpCodes.Nop);
|
|
}
|
|
}
|
|
else if (this.module.EmitSymbols) {
|
|
// For a retail build, put source information on methods only
|
|
if (sourceInfo != null) {
|
|
MarkSequencePoint(sourceInfo);
|
|
// Set this.lastSourceInfo back to null to prevent generating additional sequence points
|
|
// in this method.
|
|
this.lastSourceInfo = null;
|
|
}
|
|
}
|
|
|
|
this.initWriters = false;
|
|
if (initWriters) {
|
|
EnsureWriter();
|
|
LoadQueryRuntime();
|
|
Call(XmlILMethods.GetOutput);
|
|
Emit(OpCodes.Stloc, this.locXOut);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Generate "ret" instruction and branch fixup jump table.
|
|
/// </summary>
|
|
public void MethodEnd() {
|
|
Emit(OpCodes.Ret);
|
|
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled) {
|
|
this.writerDump.WriteLine("}");
|
|
this.writerDump.WriteLine("");
|
|
this.writerDump.Close();
|
|
}
|
|
#endif
|
|
|
|
if (this.isDebug)
|
|
DebugEndScope();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Helper Global Methods
|
|
//-----------------------------------------------
|
|
|
|
/// <summary>
|
|
/// Call a static method which attempts to reuse a navigator.
|
|
/// </summary>
|
|
public void CallSyncToNavigator() {
|
|
// Get helper method from module
|
|
if (this.methSyncToNav == null)
|
|
this.methSyncToNav = this.module.FindMethod("SyncToNavigator");
|
|
|
|
Call(this.methSyncToNav);
|
|
}
|
|
|
|
//-----------------------------------------------
|
|
// StaticDataManager
|
|
//-----------------------------------------------
|
|
|
|
/// <summary>
|
|
/// This internal class manages literal names, literal types, and storage for global variables.
|
|
/// </summary>
|
|
public StaticDataManager StaticData {
|
|
get { return this.staticData; }
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Constants
|
|
//-----------------------------------------------
|
|
|
|
/// <summary>
|
|
/// Generate the optimal Ldc_I4 instruction based on intVal.
|
|
/// </summary>
|
|
public void LoadInteger(int intVal) {
|
|
OpCode opcode;
|
|
|
|
if (intVal >= -1 && intVal < 9) {
|
|
switch (intVal) {
|
|
case -1: opcode = OpCodes.Ldc_I4_M1; break;
|
|
case 0: opcode = OpCodes.Ldc_I4_0; break;
|
|
case 1: opcode = OpCodes.Ldc_I4_1; break;
|
|
case 2: opcode = OpCodes.Ldc_I4_2; break;
|
|
case 3: opcode = OpCodes.Ldc_I4_3; break;
|
|
case 4: opcode = OpCodes.Ldc_I4_4; break;
|
|
case 5: opcode = OpCodes.Ldc_I4_5; break;
|
|
case 6: opcode = OpCodes.Ldc_I4_6; break;
|
|
case 7: opcode = OpCodes.Ldc_I4_7; break;
|
|
case 8: opcode = OpCodes.Ldc_I4_8; break;
|
|
default: Debug.Assert(false); return;
|
|
}
|
|
Emit(opcode);
|
|
}
|
|
else if (intVal >= -128 && intVal <= 127)
|
|
Emit(OpCodes.Ldc_I4_S, (sbyte) intVal);
|
|
else
|
|
Emit(OpCodes.Ldc_I4, intVal);
|
|
}
|
|
|
|
public void LoadBoolean(bool boolVal) {
|
|
Emit(boolVal ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
|
|
}
|
|
|
|
public void LoadType(Type clrTyp) {
|
|
Emit(OpCodes.Ldtoken, clrTyp);
|
|
Call(XmlILMethods.GetTypeFromHandle);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Local variables
|
|
//-----------------------------------------------
|
|
|
|
/// <summary>
|
|
/// Generate a new local variable. Add a numeric suffix to name that ensures that all
|
|
/// local variable names will be unique (for readability).
|
|
/// </summary>
|
|
public LocalBuilder DeclareLocal(string name, Type type) {
|
|
LocalBuilder locBldr = this.ilgen.DeclareLocal(type);
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled) {
|
|
// Set name for internal MS debugging. This is not the user-defined name--that will be set later
|
|
if (this.isDebug)
|
|
locBldr.SetLocalSymInfo(name + this.numLocals.ToString(CultureInfo.InvariantCulture));
|
|
|
|
this.symbols.Add(locBldr, name + this.numLocals.ToString(CultureInfo.InvariantCulture));
|
|
this.numLocals++;
|
|
}
|
|
#endif
|
|
return locBldr;
|
|
}
|
|
|
|
public void LoadQueryRuntime() {
|
|
Emit(OpCodes.Ldarg_0);
|
|
}
|
|
|
|
public void LoadQueryContext() {
|
|
Emit(OpCodes.Ldarg_0);
|
|
Call(XmlILMethods.Context);
|
|
}
|
|
|
|
public void LoadXsltLibrary() {
|
|
Emit(OpCodes.Ldarg_0);
|
|
Call(XmlILMethods.XsltLib);
|
|
}
|
|
|
|
public void LoadQueryOutput() {
|
|
Emit(OpCodes.Ldloc, this.locXOut);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Parameters
|
|
//-----------------------------------------------
|
|
|
|
public void LoadParameter(int paramPos) {
|
|
switch (paramPos) {
|
|
case 0: Emit(OpCodes.Ldarg_0); break;
|
|
case 1: Emit(OpCodes.Ldarg_1); break;
|
|
case 2: Emit(OpCodes.Ldarg_2); break;
|
|
case 3: Emit(OpCodes.Ldarg_3); break;
|
|
default:
|
|
if (paramPos <= 255) {
|
|
Emit(OpCodes.Ldarg_S, (byte) paramPos);
|
|
}
|
|
else if (paramPos <= ushort.MaxValue) {
|
|
Emit(OpCodes.Ldarg, paramPos);
|
|
}
|
|
else {
|
|
throw new XslTransformException(Res.XmlIl_TooManyParameters);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
public void SetParameter(object paramId) {
|
|
int paramPos = (int) paramId;
|
|
|
|
if (paramPos <= 255) {
|
|
Emit(OpCodes.Starg_S, (byte) paramPos);
|
|
}
|
|
else if (paramPos <= ushort.MaxValue) {
|
|
Emit(OpCodes.Starg, (int) paramPos);
|
|
}
|
|
else {
|
|
throw new XslTransformException(Res.XmlIl_TooManyParameters);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------
|
|
// Labels
|
|
//-----------------------------------------------
|
|
|
|
/// <summary>
|
|
/// Branch to lblBranch and anchor lblMark. If lblBranch = lblMark, then no need
|
|
/// to generate a "br" to the next instruction.
|
|
/// </summary>
|
|
public void BranchAndMark(Label lblBranch, Label lblMark) {
|
|
if (!lblBranch.Equals(lblMark)) {
|
|
EmitUnconditionalBranch(OpCodes.Br, lblBranch);
|
|
}
|
|
MarkLabel(lblMark);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Comparison
|
|
//-----------------------------------------------
|
|
|
|
/// <summary>
|
|
/// Compare the top value on the stack with the specified i4 using the specified relational
|
|
/// comparison opcode, and branch to lblBranch if the result is true.
|
|
/// </summary>
|
|
public void TestAndBranch(int i4, Label lblBranch, OpCode opcodeBranch) {
|
|
switch (i4) {
|
|
case 0:
|
|
// Beq or Bne can be shortened to Brfalse or Brtrue if comparing to 0
|
|
if (opcodeBranch.Value == OpCodes.Beq.Value)
|
|
opcodeBranch = OpCodes.Brfalse;
|
|
else if (opcodeBranch.Value == OpCodes.Beq_S.Value)
|
|
opcodeBranch = OpCodes.Brfalse_S;
|
|
else if (opcodeBranch.Value == OpCodes.Bne_Un.Value)
|
|
opcodeBranch = OpCodes.Brtrue;
|
|
else if (opcodeBranch.Value == OpCodes.Bne_Un_S.Value)
|
|
opcodeBranch = OpCodes.Brtrue_S;
|
|
else
|
|
goto default;
|
|
break;
|
|
|
|
default:
|
|
// Cannot use shortcut, so push integer onto the stack
|
|
LoadInteger(i4);
|
|
break;
|
|
}
|
|
|
|
Emit(opcodeBranch, lblBranch);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Assume a branch instruction has already been issued. If isTrueBranch is true, then the
|
|
/// true path is linked to lblBranch. Otherwise, the false path is linked to lblBranch.
|
|
/// Convert this "branching" boolean logic into an explicit push of 1 or 0 onto the stack.
|
|
/// </summary>
|
|
public void ConvBranchToBool(Label lblBranch, bool isTrueBranch) {
|
|
Label lblDone = DefineLabel();
|
|
|
|
Emit(isTrueBranch ? OpCodes.Ldc_I4_0 : OpCodes.Ldc_I4_1);
|
|
EmitUnconditionalBranch(OpCodes.Br_S, lblDone);
|
|
MarkLabel(lblBranch);
|
|
Emit(isTrueBranch ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
|
|
MarkLabel(lblDone);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Frequently used method and function calls
|
|
//-----------------------------------------------
|
|
|
|
public void TailCall(MethodInfo meth) {
|
|
Emit(OpCodes.Tailcall);
|
|
Call(meth);
|
|
Emit(OpCodes.Ret);
|
|
}
|
|
|
|
[Conditional("DEBUG")]
|
|
private void TraceCall(OpCode opcode, MethodInfo meth) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled) {
|
|
StringBuilder strBldr = new StringBuilder();
|
|
bool isFirst = true;
|
|
string retType = "";
|
|
|
|
if (!(meth is MethodBuilder)) {
|
|
foreach (ParameterInfo paramInfo in meth.GetParameters()) {
|
|
if (isFirst)
|
|
isFirst = false;
|
|
else
|
|
strBldr.Append(", ");
|
|
strBldr.Append(paramInfo.ParameterType.Name);
|
|
}
|
|
retType = meth.ReturnType.Name;
|
|
}
|
|
|
|
this.writerDump.WriteLine(" {0, -10} {1} {2}({3})", new object[] {opcode.Name, retType, meth.Name, strBldr.ToString()});
|
|
}
|
|
#endif
|
|
}
|
|
|
|
public void Call(MethodInfo meth) {
|
|
OpCode opcode = meth.IsVirtual || meth.IsAbstract ? OpCodes.Callvirt : OpCodes.Call;
|
|
|
|
TraceCall(opcode, meth);
|
|
this.ilgen.Emit(opcode, meth);
|
|
|
|
if (this.lastSourceInfo != null) {
|
|
// Emit a "no source" sequence point, otherwise the debugger would return to the wrong line
|
|
// once the call has finished. We are guaranteed not to emit adjacent sequence points because
|
|
// the Call instruction precedes this sequence point, and a nop instruction precedes other
|
|
// sequence points.
|
|
MarkSequencePoint(SourceLineInfo.NoSource);
|
|
}
|
|
}
|
|
|
|
//
|
|
public void CallToken(MethodInfo meth) {
|
|
Debug.Assert(!(methInfo is ConstructorBuilder));
|
|
MethodBuilder methBldr = this.methInfo as MethodBuilder;
|
|
|
|
if (methBldr != null) {
|
|
// Using regular reflection emit, so get a token for the specified method.
|
|
// The token is only valid within scope of this method's body.
|
|
OpCode opcode = meth.IsVirtual || meth.IsAbstract ? OpCodes.Callvirt : OpCodes.Call;
|
|
|
|
TraceCall(opcode, meth);
|
|
this.ilgen.Emit(opcode, ((ModuleBuilder) methBldr.GetModule()).GetMethodToken(meth).Token);
|
|
|
|
if (this.lastSourceInfo != null) {
|
|
// Emit a "no source" sequence point, otherwise the debugger would return to the wrong line
|
|
// once the call has finished. We are guaranteed not to emit adjacent sequence points because
|
|
// the Call instruction precedes this sequence point, and a nop instruction precedes other
|
|
// sequence points.
|
|
MarkSequencePoint(SourceLineInfo.NoSource);
|
|
}
|
|
}
|
|
else {
|
|
// Using LCG, so no need to workaround
|
|
Call(meth);
|
|
}
|
|
}
|
|
|
|
public void Construct(ConstructorInfo constr) {
|
|
Emit(OpCodes.Newobj, constr);
|
|
}
|
|
|
|
public void CallConcatStrings(int cStrings) {
|
|
switch (cStrings) {
|
|
case 0:
|
|
Emit(OpCodes.Ldstr, "");
|
|
break;
|
|
case 1:
|
|
break;
|
|
case 2:
|
|
Call(XmlILMethods.StrCat2);
|
|
break;
|
|
case 3:
|
|
Call(XmlILMethods.StrCat3);
|
|
break;
|
|
case 4:
|
|
Call(XmlILMethods.StrCat4);
|
|
break;
|
|
default:
|
|
Debug.Assert(false, "Shouldn't be called");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Assume that an object reference is on the IL stack. Change the static Clr type from "clrTypeSrc" to "clrTypeDst"
|
|
/// </summary>
|
|
public void TreatAs(Type clrTypeSrc, Type clrTypeDst) {
|
|
// If source = destination, then no-op
|
|
if (clrTypeSrc == clrTypeDst)
|
|
return;
|
|
|
|
if (clrTypeSrc.IsValueType) {
|
|
// If source is a value type, then destination may only be typeof(object), so box
|
|
Debug.Assert(clrTypeDst == typeof(object), "Invalid cast, since value types do not allow inheritance.");
|
|
Emit(OpCodes.Box, clrTypeSrc);
|
|
}
|
|
else if (clrTypeDst.IsValueType) {
|
|
// If destination type is value type, then source may only be typeof(object), so unbox
|
|
Debug.Assert(clrTypeSrc == typeof(object), "Invalid cast, since value types do not allow inheritance.");
|
|
Emit(OpCodes.Unbox, clrTypeDst);
|
|
Emit(OpCodes.Ldobj, clrTypeDst);
|
|
}
|
|
else if (clrTypeDst != typeof(object)) {
|
|
// If source is not a value type, and destination type is typeof(object), then no-op
|
|
// Otherwise, use Castclass to change the static type
|
|
Debug.Assert(clrTypeSrc.IsAssignableFrom(clrTypeDst) || clrTypeDst.IsAssignableFrom(clrTypeSrc),
|
|
"Invalid cast, since source type and destination type are not in same inheritance hierarchy.");
|
|
Emit(OpCodes.Castclass, clrTypeDst);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Datatype methods
|
|
//-----------------------------------------------
|
|
|
|
public void ConstructLiteralDecimal(decimal dec) {
|
|
if (dec >= (decimal) int.MinValue && dec <= (decimal) int.MaxValue && decimal.Truncate(dec) == dec) {
|
|
// Decimal can be constructed from a 32-bit integer
|
|
LoadInteger((int) dec);
|
|
Construct(XmlILConstructors.DecFromInt32);
|
|
}
|
|
else {
|
|
int[] bits = Decimal.GetBits(dec);
|
|
|
|
LoadInteger(bits[0]);
|
|
LoadInteger(bits[1]);
|
|
LoadInteger(bits[2]);
|
|
LoadBoolean(bits[3] < 0);
|
|
LoadInteger(bits[3] >> 16);
|
|
Construct(XmlILConstructors.DecFromParts);
|
|
}
|
|
}
|
|
|
|
public void ConstructLiteralQName(string localName, string namespaceName) {
|
|
Emit(OpCodes.Ldstr, localName);
|
|
Emit(OpCodes.Ldstr, namespaceName);
|
|
Construct(XmlILConstructors.QName);
|
|
}
|
|
|
|
public void CallArithmeticOp(QilNodeType opType, XmlTypeCode code) {
|
|
MethodInfo meth = null;
|
|
|
|
switch (code) {
|
|
case XmlTypeCode.Int:
|
|
case XmlTypeCode.Integer:
|
|
case XmlTypeCode.Double:
|
|
case XmlTypeCode.Float:
|
|
switch (opType) {
|
|
case QilNodeType.Add: Emit(OpCodes.Add); break;
|
|
case QilNodeType.Subtract: Emit(OpCodes.Sub); break;
|
|
case QilNodeType.Multiply: Emit(OpCodes.Mul); break;
|
|
case QilNodeType.Divide: Emit(OpCodes.Div); break;
|
|
case QilNodeType.Modulo: Emit(OpCodes.Rem); break;
|
|
case QilNodeType.Negate: Emit(OpCodes.Neg); break;
|
|
default: Debug.Assert(false, opType + " must be an arithmetic operation."); break;
|
|
}
|
|
break;
|
|
|
|
case XmlTypeCode.Decimal:
|
|
switch (opType) {
|
|
case QilNodeType.Add: meth = XmlILMethods.DecAdd; break;
|
|
case QilNodeType.Subtract: meth = XmlILMethods.DecSub; break;
|
|
case QilNodeType.Multiply: meth = XmlILMethods.DecMul; break;
|
|
case QilNodeType.Divide: meth = XmlILMethods.DecDiv; break;
|
|
case QilNodeType.Modulo: meth = XmlILMethods.DecRem; break;
|
|
case QilNodeType.Negate: meth = XmlILMethods.DecNeg; break;
|
|
default: Debug.Assert(false, opType + " must be an arithmetic operation."); break;
|
|
}
|
|
|
|
Call(meth);
|
|
break;
|
|
|
|
default:
|
|
Debug.Assert(false, "The " + opType + " arithmetic operation cannot be performed on values of type " + code + ".");
|
|
break;
|
|
}
|
|
}
|
|
|
|
public void CallCompareEquals(XmlTypeCode code) {
|
|
MethodInfo meth = null;
|
|
|
|
switch (code) {
|
|
case XmlTypeCode.String: meth = XmlILMethods.StrEq; break;
|
|
case XmlTypeCode.QName: meth = XmlILMethods.QNameEq; break;
|
|
case XmlTypeCode.Decimal: meth = XmlILMethods.DecEq; break;
|
|
default:
|
|
Debug.Assert(false, "Type " + code + " does not support the equals operation.");
|
|
break;
|
|
}
|
|
|
|
Call(meth);
|
|
}
|
|
|
|
public void CallCompare(XmlTypeCode code) {
|
|
MethodInfo meth = null;
|
|
|
|
switch (code) {
|
|
case XmlTypeCode.String: meth = XmlILMethods.StrCmp; break;
|
|
case XmlTypeCode.Decimal: meth = XmlILMethods.DecCmp; break;
|
|
default:
|
|
Debug.Assert(false, "Type " + code + " does not support the equals operation.");
|
|
break;
|
|
}
|
|
|
|
Call(meth);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// XmlQueryRuntime function calls
|
|
//-----------------------------------------------
|
|
|
|
public void CallStartRtfConstruction(string baseUri) {
|
|
EnsureWriter();
|
|
LoadQueryRuntime();
|
|
Emit(OpCodes.Ldstr, baseUri);
|
|
Emit(OpCodes.Ldloca, this.locXOut);
|
|
Call(XmlILMethods.StartRtfConstr);
|
|
}
|
|
|
|
public void CallEndRtfConstruction() {
|
|
LoadQueryRuntime();
|
|
Emit(OpCodes.Ldloca, this.locXOut);
|
|
Call(XmlILMethods.EndRtfConstr);
|
|
}
|
|
|
|
public void CallStartSequenceConstruction() {
|
|
EnsureWriter();
|
|
LoadQueryRuntime();
|
|
Emit(OpCodes.Ldloca, this.locXOut);
|
|
Call(XmlILMethods.StartSeqConstr);
|
|
}
|
|
|
|
public void CallEndSequenceConstruction() {
|
|
LoadQueryRuntime();
|
|
Emit(OpCodes.Ldloca, this.locXOut);
|
|
Call(XmlILMethods.EndSeqConstr);
|
|
}
|
|
|
|
public void CallGetEarlyBoundObject(int idxObj, Type clrType) {
|
|
LoadQueryRuntime();
|
|
LoadInteger(idxObj);
|
|
Call(XmlILMethods.GetEarly);
|
|
TreatAs(typeof(object), clrType);
|
|
}
|
|
|
|
public void CallGetAtomizedName(int idxName) {
|
|
LoadQueryRuntime();
|
|
LoadInteger(idxName);
|
|
Call(XmlILMethods.GetAtomizedName);
|
|
}
|
|
|
|
public void CallGetNameFilter(int idxFilter) {
|
|
LoadQueryRuntime();
|
|
LoadInteger(idxFilter);
|
|
Call(XmlILMethods.GetNameFilter);
|
|
}
|
|
|
|
public void CallGetTypeFilter(XPathNodeType nodeType) {
|
|
LoadQueryRuntime();
|
|
LoadInteger((int) nodeType);
|
|
Call(XmlILMethods.GetTypeFilter);
|
|
}
|
|
|
|
public void CallParseTagName(GenerateNameType nameType) {
|
|
if (nameType == GenerateNameType.TagNameAndMappings) {
|
|
Call(XmlILMethods.TagAndMappings);
|
|
}
|
|
else {
|
|
Debug.Assert(nameType == GenerateNameType.TagNameAndNamespace);
|
|
Call(XmlILMethods.TagAndNamespace);
|
|
}
|
|
}
|
|
|
|
public void CallGetGlobalValue(int idxValue, Type clrType) {
|
|
LoadQueryRuntime();
|
|
LoadInteger(idxValue);
|
|
Call(XmlILMethods.GetGlobalValue);
|
|
TreatAs(typeof(object), clrType);
|
|
}
|
|
|
|
public void CallSetGlobalValue(Type clrType) {
|
|
TreatAs(clrType, typeof(object));
|
|
Call(XmlILMethods.SetGlobalValue);
|
|
}
|
|
|
|
public void CallGetCollation(int idxName) {
|
|
LoadQueryRuntime();
|
|
LoadInteger(idxName);
|
|
Call(XmlILMethods.GetCollation);
|
|
}
|
|
|
|
private void EnsureWriter() {
|
|
// If write variable has not yet been initialized, do it now
|
|
if (!this.initWriters) {
|
|
this.locXOut = DeclareLocal("$$$xwrtChk", typeof(XmlQueryOutput));
|
|
this.initWriters = true;
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// XmlQueryContext function calls
|
|
//-----------------------------------------------
|
|
|
|
public void CallGetParameter(string localName, string namespaceUri) {
|
|
LoadQueryContext();
|
|
Emit(OpCodes.Ldstr, localName);
|
|
Emit(OpCodes.Ldstr, namespaceUri);
|
|
Call(XmlILMethods.GetParam);
|
|
}
|
|
|
|
//-----------------------------------------------
|
|
// XmlQueryOutput function calls
|
|
//-----------------------------------------------
|
|
|
|
public void CallStartTree(XPathNodeType rootType) {
|
|
LoadQueryOutput();
|
|
LoadInteger((int) rootType);
|
|
Call(XmlILMethods.StartTree);
|
|
}
|
|
|
|
public void CallEndTree() {
|
|
LoadQueryOutput();
|
|
Call(XmlILMethods.EndTree);
|
|
}
|
|
|
|
public void CallWriteStartRoot() {
|
|
// Call XmlQueryOutput.WriteStartRoot
|
|
LoadQueryOutput();
|
|
Call(XmlILMethods.StartRoot);
|
|
}
|
|
|
|
public void CallWriteEndRoot() {
|
|
// Call XmlQueryOutput.WriteEndRoot
|
|
LoadQueryOutput();
|
|
Call(XmlILMethods.EndRoot);
|
|
}
|
|
|
|
public void CallWriteStartElement(GenerateNameType nameType, bool callChk) {
|
|
MethodInfo meth = null;
|
|
|
|
// If runtime checks need to be made,
|
|
if (callChk) {
|
|
// Then call XmlQueryOutput.WriteStartElement
|
|
switch (nameType) {
|
|
case GenerateNameType.LiteralLocalName: meth = XmlILMethods.StartElemLocName; break;
|
|
case GenerateNameType.LiteralName: meth = XmlILMethods.StartElemLitName; break;
|
|
case GenerateNameType.CopiedName: meth = XmlILMethods.StartElemCopyName; break;
|
|
case GenerateNameType.TagNameAndMappings: meth = XmlILMethods.StartElemMapName; break;
|
|
case GenerateNameType.TagNameAndNamespace: meth = XmlILMethods.StartElemNmspName; break;
|
|
case GenerateNameType.QName: meth = XmlILMethods.StartElemQName; break;
|
|
default: Debug.Assert(false, nameType + " is invalid here."); break;
|
|
}
|
|
}
|
|
else {
|
|
// Else call XmlQueryOutput.WriteStartElementUnchecked
|
|
switch (nameType) {
|
|
case GenerateNameType.LiteralLocalName: meth = XmlILMethods.StartElemLocNameUn; break;
|
|
case GenerateNameType.LiteralName: meth = XmlILMethods.StartElemLitNameUn; break;
|
|
default: Debug.Assert(false, nameType + " is invalid here."); break;
|
|
}
|
|
}
|
|
|
|
Call(meth);
|
|
}
|
|
|
|
public void CallWriteEndElement(GenerateNameType nameType, bool callChk) {
|
|
MethodInfo meth = null;
|
|
|
|
// If runtime checks need to be made,
|
|
if (callChk) {
|
|
// Then call XmlQueryOutput.WriteEndElement
|
|
meth = XmlILMethods.EndElemStackName;
|
|
}
|
|
else {
|
|
// Else call XmlQueryOutput.WriteEndElementUnchecked
|
|
switch (nameType) {
|
|
case GenerateNameType.LiteralLocalName: meth = XmlILMethods.EndElemLocNameUn; break;
|
|
case GenerateNameType.LiteralName: meth = XmlILMethods.EndElemLitNameUn; break;
|
|
default: Debug.Assert(false, nameType + " is invalid here."); break;
|
|
}
|
|
}
|
|
|
|
Call(meth);
|
|
}
|
|
|
|
public void CallStartElementContent() {
|
|
LoadQueryOutput();
|
|
Call(XmlILMethods.StartContentUn);
|
|
}
|
|
|
|
public void CallWriteStartAttribute(GenerateNameType nameType, bool callChk) {
|
|
MethodInfo meth = null;
|
|
|
|
// If runtime checks need to be made,
|
|
if (callChk) {
|
|
// Then call XmlQueryOutput.WriteStartAttribute
|
|
switch (nameType) {
|
|
case GenerateNameType.LiteralLocalName: meth = XmlILMethods.StartAttrLocName; break;
|
|
case GenerateNameType.LiteralName: meth = XmlILMethods.StartAttrLitName; break;
|
|
case GenerateNameType.CopiedName: meth = XmlILMethods.StartAttrCopyName; break;
|
|
case GenerateNameType.TagNameAndMappings: meth = XmlILMethods.StartAttrMapName; break;
|
|
case GenerateNameType.TagNameAndNamespace: meth = XmlILMethods.StartAttrNmspName; break;
|
|
case GenerateNameType.QName: meth = XmlILMethods.StartAttrQName; break;
|
|
default: Debug.Assert(false, nameType + " is invalid here."); break;
|
|
}
|
|
}
|
|
else {
|
|
// Else call XmlQueryOutput.WriteStartAttributeUnchecked
|
|
switch (nameType) {
|
|
case GenerateNameType.LiteralLocalName: meth = XmlILMethods.StartAttrLocNameUn; break;
|
|
case GenerateNameType.LiteralName: meth = XmlILMethods.StartAttrLitNameUn; break;
|
|
default: Debug.Assert(false, nameType + " is invalid here."); break;
|
|
}
|
|
}
|
|
|
|
Call(meth);
|
|
}
|
|
|
|
public void CallWriteEndAttribute(bool callChk) {
|
|
LoadQueryOutput();
|
|
|
|
// If runtime checks need to be made,
|
|
if (callChk) {
|
|
// Then call XmlQueryOutput.WriteEndAttribute
|
|
Call(XmlILMethods.EndAttr);
|
|
}
|
|
else {
|
|
// Else call XmlQueryOutput.WriteEndAttributeUnchecked
|
|
Call(XmlILMethods.EndAttrUn);
|
|
}
|
|
}
|
|
|
|
public void CallWriteNamespaceDecl(bool callChk) {
|
|
// If runtime checks need to be made,
|
|
if (callChk) {
|
|
// Then call XmlQueryOutput.WriteNamespaceDeclaration
|
|
Call(XmlILMethods.NamespaceDecl);
|
|
}
|
|
else {
|
|
// Else call XmlQueryOutput.WriteNamespaceDeclarationUnchecked
|
|
Call(XmlILMethods.NamespaceDeclUn);
|
|
}
|
|
}
|
|
|
|
public void CallWriteString(bool disableOutputEscaping, bool callChk) {
|
|
// If runtime checks need to be made,
|
|
if (callChk) {
|
|
// Then call XmlQueryOutput.WriteString, or XmlQueryOutput.WriteRaw
|
|
if (disableOutputEscaping)
|
|
Call(XmlILMethods.NoEntText);
|
|
else
|
|
Call(XmlILMethods.Text);
|
|
}
|
|
else {
|
|
// Else call XmlQueryOutput.WriteStringUnchecked, or XmlQueryOutput.WriteRawUnchecked
|
|
if (disableOutputEscaping)
|
|
Call(XmlILMethods.NoEntTextUn);
|
|
else
|
|
Call(XmlILMethods.TextUn);
|
|
}
|
|
}
|
|
|
|
public void CallWriteStartPI() {
|
|
Call(XmlILMethods.StartPI);
|
|
}
|
|
|
|
public void CallWriteEndPI() {
|
|
LoadQueryOutput();
|
|
Call(XmlILMethods.EndPI);
|
|
}
|
|
|
|
public void CallWriteStartComment() {
|
|
LoadQueryOutput();
|
|
Call(XmlILMethods.StartComment);
|
|
}
|
|
|
|
public void CallWriteEndComment() {
|
|
LoadQueryOutput();
|
|
Call(XmlILMethods.EndComment);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Item caching methods
|
|
//-----------------------------------------------
|
|
|
|
public void CallCacheCount(Type itemStorageType) {
|
|
XmlILStorageMethods meth = XmlILMethods.StorageMethods[itemStorageType];
|
|
Call(meth.IListCount);
|
|
}
|
|
|
|
public void CallCacheItem(Type itemStorageType) {
|
|
Call(XmlILMethods.StorageMethods[itemStorageType].IListItem);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// XPathItem properties and methods
|
|
//-----------------------------------------------
|
|
|
|
public void CallValueAs(Type clrType) {
|
|
MethodInfo meth;
|
|
|
|
meth = XmlILMethods.StorageMethods[clrType].ValueAs;
|
|
if (meth == null) {
|
|
// Call (Type) item.ValueAs(Type, null)
|
|
LoadType(clrType);
|
|
Emit(OpCodes.Ldnull);
|
|
Call(XmlILMethods.ValueAsAny);
|
|
|
|
// Unbox or down-cast
|
|
TreatAs(typeof(object), clrType);
|
|
}
|
|
else {
|
|
// Call strongly typed ValueAs method
|
|
Call(meth);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// XmlSortKeyAccumulator methods
|
|
//-----------------------------------------------
|
|
|
|
public void AddSortKey(XmlQueryType keyType) {
|
|
MethodInfo meth = null;
|
|
|
|
if (keyType == null) {
|
|
meth = XmlILMethods.SortKeyEmpty;
|
|
}
|
|
else {
|
|
Debug.Assert(keyType.IsAtomicValue, "Sort key must have atomic value type.");
|
|
|
|
switch (keyType.TypeCode) {
|
|
case XmlTypeCode.String: meth = XmlILMethods.SortKeyString; break;
|
|
case XmlTypeCode.Decimal: meth = XmlILMethods.SortKeyDecimal; break;
|
|
case XmlTypeCode.Integer: meth = XmlILMethods.SortKeyInteger; break;
|
|
case XmlTypeCode.Int: meth = XmlILMethods.SortKeyInt; break;
|
|
case XmlTypeCode.Boolean: meth = XmlILMethods.SortKeyInt; break;
|
|
case XmlTypeCode.Double: meth = XmlILMethods.SortKeyDouble; break;
|
|
case XmlTypeCode.DateTime: meth = XmlILMethods.SortKeyDateTime; break;
|
|
|
|
case XmlTypeCode.None:
|
|
// Empty sequence, so this path will never actually be taken
|
|
Emit(OpCodes.Pop);
|
|
meth = XmlILMethods.SortKeyEmpty;
|
|
break;
|
|
|
|
case XmlTypeCode.AnyAtomicType:
|
|
Debug.Assert(false, "Heterogenous sort key is not allowed.");
|
|
return;
|
|
|
|
default:
|
|
Debug.Assert(false, "Sorting over datatype " + keyType.TypeCode + " is not allowed.");
|
|
break;
|
|
}
|
|
}
|
|
|
|
Call(meth);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Debugging information output
|
|
//-----------------------------------------------
|
|
|
|
/// <summary>
|
|
/// Begin a new variable debugging scope.
|
|
/// </summary>
|
|
public void DebugStartScope() {
|
|
this.ilgen.BeginScope();
|
|
}
|
|
|
|
/// <summary>
|
|
/// End a new debugging scope.
|
|
/// </summary>
|
|
public void DebugEndScope() {
|
|
this.ilgen.EndScope();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Correlate the current IL generation position with the current source position.
|
|
/// </summary>
|
|
public void DebugSequencePoint(ISourceLineInfo sourceInfo) {
|
|
Debug.Assert(this.isDebug && this.lastSourceInfo != null);
|
|
Debug.Assert(sourceInfo != null);
|
|
|
|
// When emitting sequence points, be careful to always follow two rules:
|
|
// 1. Never emit adjacent sequence points, as this messes up the debugger. We guarantee this by
|
|
// always emitting a Nop before every sequence point.
|
|
// 2. The runtime enforces a rule that BP sequence points can only appear at zero stack depth,
|
|
// or if a NOP instruction is placed before them. We guarantee this by always emitting a Nop
|
|
// before every sequence point.
|
|
// <spec>http://devdiv/Documents/Whidbey/CLR/CurrentSpecs/Debugging%20and%20Profiling/JIT-Determined%20Sequence%20Points.doc</spec>
|
|
Emit(OpCodes.Nop);
|
|
MarkSequencePoint(sourceInfo);
|
|
}
|
|
|
|
private string lastUriString = null;
|
|
private string lastFileName = null;
|
|
|
|
// SQLBUDT 278010: debugger does not work with network paths in uri format, like file://server/share/dir/file
|
|
private string GetFileName(ISourceLineInfo sourceInfo) {
|
|
string uriString = sourceInfo.Uri;
|
|
if ((object)uriString == (object)lastUriString) {
|
|
return lastFileName;
|
|
}
|
|
|
|
lastUriString = uriString;
|
|
lastFileName = SourceLineInfo.GetFileName(uriString);
|
|
return lastFileName;
|
|
}
|
|
|
|
private void MarkSequencePoint(ISourceLineInfo sourceInfo) {
|
|
Debug.Assert(this.module.EmitSymbols);
|
|
|
|
// Do not emit adjacent 0xfeefee sequence points, as that slows down stepping in the debugger
|
|
if (sourceInfo.IsNoSource && this.lastSourceInfo != null && this.lastSourceInfo.IsNoSource) {
|
|
return;
|
|
}
|
|
|
|
string sourceFile = GetFileName(sourceInfo);
|
|
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled) {
|
|
if (sourceInfo.IsNoSource)
|
|
this.writerDump.WriteLine("//[no source]");
|
|
else {
|
|
if (sourceFile != this.sourceFile) {
|
|
this.sourceFile = sourceFile;
|
|
this.writerDump.WriteLine("// Source File '{0}'", this.sourceFile);
|
|
}
|
|
this.writerDump.WriteLine("//[{0},{1} -- {2},{3}]", sourceInfo.Start.Line, sourceInfo.Start.Pos, sourceInfo.End.Line, sourceInfo.End.Pos);
|
|
}
|
|
}
|
|
#endif
|
|
ISymbolDocumentWriter symDoc = this.module.AddSourceDocument(sourceFile);
|
|
this.ilgen.MarkSequencePoint(symDoc, sourceInfo.Start.Line, sourceInfo.Start.Pos, sourceInfo.End.Line, sourceInfo.End.Pos);
|
|
this.lastSourceInfo = sourceInfo;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------
|
|
// Pass through to ILGenerator
|
|
//-----------------------------------------------
|
|
|
|
public Label DefineLabel() {
|
|
Label lbl = this.ilgen.DefineLabel();
|
|
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.symbols.Add(lbl, ++this.lblNum);
|
|
#endif
|
|
|
|
return lbl;
|
|
}
|
|
|
|
public void MarkLabel(Label lbl) {
|
|
if (this.lastSourceInfo != null && !this.lastSourceInfo.IsNoSource) {
|
|
// Emit a "no source" sequence point, otherwise the debugger would show
|
|
// a wrong line if we jumped to this label from another place
|
|
DebugSequencePoint(SourceLineInfo.NoSource);
|
|
}
|
|
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine("Label {0}:", this.symbols[lbl]);
|
|
#endif
|
|
|
|
this.ilgen.MarkLabel(lbl);
|
|
}
|
|
|
|
public void Emit(OpCode opcode) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0}", opcode.Name);
|
|
#endif
|
|
this.ilgen.Emit(opcode);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, byte byteVal) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, byteVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, byteVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, ConstructorInfo constrInfo) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, constrInfo);
|
|
#endif
|
|
this.ilgen.Emit(opcode, constrInfo);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, double dblVal) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, dblVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, dblVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, float fltVal) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, fltVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, fltVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, FieldInfo fldInfo) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, fldInfo.Name);
|
|
#endif
|
|
this.ilgen.Emit(opcode, fldInfo);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, short shrtVal) {
|
|
Debug.Assert(opcode.OperandType == OperandType.ShortInlineI);
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, shrtVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, shrtVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, int intVal) {
|
|
Debug.Assert(opcode.OperandType == OperandType.InlineI || opcode.OperandType == OperandType.InlineVar);
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, intVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, intVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, long longVal) {
|
|
Debug.Assert(opcode.OperandType == OperandType.InlineI8);
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, longVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, longVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, Label lblVal) {
|
|
Debug.Assert(!opcode.Equals(OpCodes.Br) && !opcode.Equals(OpCodes.Br_S), "Use EmitUnconditionalBranch and be careful not to emit unverifiable code.");
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} Label {1}", opcode.Name, this.symbols[lblVal]);
|
|
#endif
|
|
this.ilgen.Emit(opcode, lblVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, Label[] arrLabels) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled) {
|
|
this.writerDump.Write(" {0, -10} (Label {1}", opcode.Name, arrLabels.Length != 0 ? this.symbols[arrLabels[0]].ToString() : "");
|
|
for (int i = 1; i < arrLabels.Length; i++) {
|
|
this.writerDump.Write(", Label {0}", this.symbols[arrLabels[i]]);
|
|
}
|
|
this.writerDump.WriteLine(")");
|
|
}
|
|
#endif
|
|
this.ilgen.Emit(opcode, arrLabels);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, LocalBuilder locBldr) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1} ({2})", opcode.Name, this.symbols[locBldr], locBldr.LocalType.Name);
|
|
#endif
|
|
this.ilgen.Emit(opcode, locBldr);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, MethodInfo methInfo) {
|
|
Debug.Assert(!opcode.Equals(OpCodes.Call) && !opcode.Equals(OpCodes.Callvirt), "Use Call so that debug information will be output correctly.");
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, methInfo.Name);
|
|
#endif
|
|
this.ilgen.Emit(opcode, methInfo);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, sbyte sbyteVal) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, sbyteVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, sbyteVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, string strVal) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} \"{1}\"", opcode.Name, strVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, strVal);
|
|
}
|
|
|
|
public void Emit(OpCode opcode, Type typVal) {
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} {1}", opcode.Name, typVal);
|
|
#endif
|
|
this.ilgen.Emit(opcode, typVal);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Unconditional branch opcodes (OpCode.Br, OpCode.Br_S) can lead to unverifiable code in the following cases:
|
|
///
|
|
/// # DEAD CODE CASE
|
|
/// ldc_i4 1 # Stack depth == 1
|
|
/// br Label2
|
|
/// Label1:
|
|
/// nop # Dead code, so IL rules assume stack depth == 0. This causes a verification error,
|
|
/// # since next instruction has depth == 1
|
|
/// Label2:
|
|
/// pop # Stack depth == 1
|
|
/// ret
|
|
///
|
|
/// # LATE BRANCH CASE
|
|
/// ldc_i4 1 # Stack depth == 1
|
|
/// br Label2
|
|
/// Label1:
|
|
/// nop # Not dead code, but since branch comes from below, IL rules assume stack depth = 0.
|
|
/// # This causes a verification error, since next instruction has depth == 1
|
|
/// Label2:
|
|
/// pop # Stack depth == 1
|
|
/// ret
|
|
/// Label3:
|
|
/// br Label1 # Stack depth == 1
|
|
///
|
|
/// This method works around the above limitations by using Brtrue or Brfalse in the following way:
|
|
///
|
|
/// ldc_i4 1 # Since this test is always true, this is a way of creating a path to the code that
|
|
/// brtrue Label # follows the brtrue instruction.
|
|
///
|
|
/// ldc_i4 1 # Since this test is always false, this is a way of creating a path to the code that
|
|
/// brfalse Label # starts at Label.
|
|
///
|
|
/// 1. If opcode == Brtrue or Brtrue_S, then 1 will be pushed and brtrue instruction will be generated.
|
|
/// 2. If opcode == Brfalse or Brfalse_S, then 1 will be pushed and brfalse instruction will be generated.
|
|
/// 3. If opcode == Br or Br_S, then a br instruction will be generated.
|
|
/// </summary>
|
|
public void EmitUnconditionalBranch(OpCode opcode, Label lblTarget) {
|
|
if (!opcode.Equals(OpCodes.Br) && !opcode.Equals(OpCodes.Br_S)) {
|
|
Debug.Assert(opcode.Equals(OpCodes.Brtrue) || opcode.Equals(OpCodes.Brtrue_S) ||
|
|
opcode.Equals(OpCodes.Brfalse) || opcode.Equals(OpCodes.Brfalse_S));
|
|
Emit(OpCodes.Ldc_I4_1);
|
|
}
|
|
|
|
#if DEBUG
|
|
if (XmlILTrace.IsEnabled)
|
|
this.writerDump.WriteLine(" {0, -10} Label {1}", opcode.Name, this.symbols[lblTarget]);
|
|
#endif
|
|
this.ilgen.Emit(opcode, lblTarget);
|
|
|
|
if (this.lastSourceInfo != null && (opcode.Equals(OpCodes.Br) || opcode.Equals(OpCodes.Br_S))) {
|
|
// Emit a "no source" sequence point, otherwise the following label will be preceded
|
|
// with a dead Nop operation, which may lead to unverifiable code (SQLBUDT 423393).
|
|
// We are guaranteed not to emit adjacent sequence points because Br or Br_S
|
|
// instruction precedes this sequence point, and a Nop instruction precedes other
|
|
// sequence points.
|
|
MarkSequencePoint(SourceLineInfo.NoSource);
|
|
}
|
|
}
|
|
}
|
|
}
|