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[Dotgnu-pnet-commits] CVS: pnetlib/runtime/System/Reflection/Emit ILGen
|
From: |
Rhys Weatherley <address@hidden> |
|
Subject: |
[Dotgnu-pnet-commits] CVS: pnetlib/runtime/System/Reflection/Emit ILGenerator.cs,1.3,1.4 Label.cs,1.1,1.2 LocalBuilder.cs,1.2,1.3 |
|
Date: |
Mon, 17 Mar 2003 05:13:45 -0500 |
Update of /cvsroot/dotgnu-pnet/pnetlib/runtime/System/Reflection/Emit
In directory subversions:/tmp/cvs-serv24823/runtime/System/Reflection/Emit
Modified Files:
ILGenerator.cs Label.cs LocalBuilder.cs
Log Message:
Implement some of the IL generation methods for Reflection.Emit.
Index: ILGenerator.cs
===================================================================
RCS file:
/cvsroot/dotgnu-pnet/pnetlib/runtime/System/Reflection/Emit/ILGenerator.cs,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -r1.3 -r1.4
*** ILGenerator.cs 9 Mar 2003 10:04:32 -0000 1.3
--- ILGenerator.cs 17 Mar 2003 10:13:43 -0000 1.4
***************
*** 4,8 ****
* Copyright (C) 2002 Southern Storm Software, Pty Ltd.
*
! * Contributed by Gopal.V <address@hidden>
*
* This program is free software; you can redistribute it and/or modify
--- 4,9 ----
* Copyright (C) 2002 Southern Storm Software, Pty Ltd.
*
! * Contributions from Gopal.V <address@hidden>
! * Rhys Weatherley <address@hidden>
*
* This program is free software; you can redistribute it and/or modify
***************
*** 28,252 ****
namespace System.Reflection.Emit
{
! public class ILGenerator
{
! [TODO]
! public virtual void BeginCatchBlock(System.Type exceptionType)
! {
! throw new NotImplementedException("BeginCatchBlock");
! }
!
! [TODO]
! public virtual void BeginExceptFilterBlock()
! {
! throw new
NotImplementedException("BeginExceptFilterBlock");
! }
!
! [TODO]
! public virtual Label BeginExceptionBlock()
! {
! throw new
NotImplementedException("BeginExceptionBlock");
! }
!
! [TODO]
! public virtual void BeginFaultBlock()
! {
! throw new NotImplementedException("BeginFaultBlock");
! }
!
! [TODO]
! public virtual void BeginFinallyBlock()
! {
! throw new NotImplementedException("BeginFinallyBlock");
! }
!
! [TODO]
! public virtual void BeginScope()
! {
! throw new NotImplementedException("BeginScope");
! }
!
! [TODO]
! public LocalBuilder DeclareLocal(Type localType)
! {
! throw new NotImplementedException("DeclareLocal");
! }
!
! [TODO]
! public virtual Label DefineLabel()
! {
! throw new NotImplementedException("DefineLabel");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, byte val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, ConstructorInfo
constructor)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, double val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, FieldInfo field)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, short val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, int val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, long val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, Label label)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, Label[] labels)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, LocalBuilder lbuilder)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, MethodInfo method)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public void Emit(OpCode opcode, sbyte val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, SignatureHelper shelper)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, float val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, String val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, Type type)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public void EmitCall(OpCode opcode, MethodInfo methodinfo,
Type[] optionalParamTypes)
! {
! throw new NotImplementedException("EmitCall");
! }
!
! [TODO]
! public void EmitCalli(OpCode opcode, CallingConventions
call_conv, Type returnType, Type[] paramTypes, Type[] optionalParamTypes)
! {
! throw new NotImplementedException("EmitCalli");
! }
!
! [TODO]
! public virtual void EmitWriteLine(FieldInfo field)
! {
! throw new NotImplementedException("EmitWriteLine");
! }
!
! [TODO]
! public virtual void EmitWriteLine(LocalBuilder lbuilder)
! {
! throw new NotImplementedException("EmitWriteLine");
! }
!
! [TODO]
! public virtual void EmitWriteLine(String val)
! {
! throw new NotImplementedException("EmitWriteLine");
! }
!
! [TODO]
! public virtual void EndExceptionBlock()
! {
! throw new NotImplementedException("EndExceptionBlock");
! }
!
! [TODO]
! public virtual void EndScope()
! {
! throw new NotImplementedException("EndScope");
! }
!
! [TODO]
! public virtual void MarkLabel(Label loc)
! {
! throw new NotImplementedException("MarkLabel");
! }
!
! [TODO]
! public virtual void MarkSequencePoint(ISymbolDocumentWriter
document,
! int startLine, int startColumn, int endLine,
int endColumn)
! {
! throw new NotImplementedException("MarkSequencePoint");
! }
!
! [TODO]
! public virtual void ThrowException(Type exceptionType)
! {
! throw new NotImplementedException("ThrowException");
! }
!
! [TODO]
! public void UsingNamespace(String usingNamespace)
! {
! throw new NotImplementedException("UsingNamespace");
! }
}
! }//namespace
#endif
--- 29,535 ----
namespace System.Reflection.Emit
{
!
! public class ILGenerator
! {
! // Internal state.
! private byte[] code;
! private int offset;
! private int height;
! private int maxHeight;
! private LabelInfo[] labels;
! private int numLabels;
!
! // Information about a label in the current method.
! private struct LabelInfo
! {
! public int offset;
! public int height;
! public LabelRef refs;
!
! }; // struct LabelInfo
!
! // Reference information for back-patching a label.
! private class LabelRef
{
! public LabelRef next;
! public int address;
! public int switchEnd;
!
! }; // class LabelRef
!
! // Constructor.
! internal ILGenerator()
! {
! code = new byte [32];
! offset = 0;
! height = 0;
! maxHeight = 0;
! labels = null;
! numLabels = 0;
! }
+ [TODO]
+ public virtual void BeginCatchBlock(System.Type exceptionType)
+ {
+ throw new NotImplementedException("BeginCatchBlock");
}
!
! [TODO]
! public virtual void BeginExceptFilterBlock()
! {
! throw new NotImplementedException("BeginExceptFilterBlock");
! }
!
! [TODO]
! public virtual Label BeginExceptionBlock()
! {
! throw new NotImplementedException("BeginExceptionBlock");
! }
!
! [TODO]
! public virtual void BeginFaultBlock()
! {
! throw new NotImplementedException("BeginFaultBlock");
! }
!
! [TODO]
! public virtual void BeginFinallyBlock()
! {
! throw new NotImplementedException("BeginFinallyBlock");
! }
!
! // Enter a lexical naming scope for debug information.
! public virtual void BeginScope()
! {
! // Scopes are not currently used in this
implementation.
! }
!
! // Declare a local variable within the current method.
! public LocalBuilder DeclareLocal(Type localType)
! {
! throw new
NotImplementedException("DeclareLocal");
! }
!
! // Declare a label within the current method.
! public virtual Label DefineLabel()
! {
! if(labels == null)
! {
! labels = new LabelInfo [8];
! }
! else if(numLabels >= labels.Length)
! {
! LabelInfo[] newLabels = new LabelInfo
[numLabels * 2];
! Array.Copy(labels, 0, newLabels, 0,
numLabels);
! newLabels = labels;
! }
! return new Label(numLabels++);
! }
!
! // Emit a single byte to the current method's code.
! private void EmitByte(int value)
! {
! if(offset >= code.Length)
! {
! byte[] newCode = new byte [code.Length
* 2];
! Array.Copy(code, 0, newCode, 0,
code.Length);
! code = newCode;
! }
! code[offset++] = (byte)value;
! }
!
! // Emit an opcode value to the current method's code and then
! // adjust the stack height information accordingly. We use a
! // "ref" parameter to avoid unnecessary data copies in the
! // methods that call this one.
! private void EmitOpcode(ref OpCode opcode)
! {
! // Output the opcode to the instruction stream.
! int value = opcode.value;
! if(value < 0x0100)
! {
! EmitByte(value);
! }
! else
! {
! EmitByte(value);
! EmitByte(value & 0xFF);
! }
!
! // Adjust the stack requirements.
! switch((StackBehaviour)(opcode.stackPop))
! {
! case StackBehaviour.Pop0:
! case StackBehaviour.Varpop:
! break;
!
! case StackBehaviour.Pop1:
! case StackBehaviour.Popi:
! case StackBehaviour.Popref:
! --height;
! break;
!
! case StackBehaviour.Pop1_pop1:
! case StackBehaviour.Popi_pop1:
! case StackBehaviour.Popi_popi:
! case StackBehaviour.Popi_popi8:
! case StackBehaviour.Popi_popr4:
! case StackBehaviour.Popi_popr8:
! case StackBehaviour.Popref_pop1:
! case StackBehaviour.Popref_popi:
! height -= 2;
! break;
!
! case StackBehaviour.Popi_popi_popi:
! case StackBehaviour.Popref_popi_popi:
! case StackBehaviour.Popref_popi_popi8:
! case StackBehaviour.Popref_popi_popr4:
! case StackBehaviour.Popref_popi_popr8:
! case StackBehaviour.Popref_popi_popref:
! height -= 3;
! break;
!
! default: break;
! }
! switch((StackBehaviour)(opcode.stackPush))
! {
! case StackBehaviour.Push0:
! break;
!
! case StackBehaviour.Push1:
! case StackBehaviour.Pushi:
! case StackBehaviour.Pushi8:
! case StackBehaviour.Pushr4:
! case StackBehaviour.Pushr8:
! case StackBehaviour.Pushref:
! case StackBehaviour.Varpush:
! ++height;
! break;
!
! case StackBehaviour.Push1_push1:
! height += 2;
! break;
!
! default: break;
! }
!
! // Update the maximum stack height
appropriately.
! if(height > maxHeight)
! {
! maxHeight = height;
! }
! }
!
! // Emit simple opcodes.
! public virtual void Emit(OpCode opcode)
! {
! EmitOpcode(ref opcode);
! }
! public virtual void Emit(OpCode opcode, byte val)
! {
! EmitOpcode(ref opcode);
! EmitByte(val);
! }
! public virtual void Emit(OpCode opcode, short val)
! {
! EmitOpcode(ref opcode);
! EmitByte(val);
! EmitByte(val >> 8);
! }
! public virtual void Emit(OpCode opcode, int val)
! {
! EmitOpcode(ref opcode);
! EmitByte(val);
! EmitByte(val >> 8);
! EmitByte(val >> 16);
! EmitByte(val >> 24);
! }
! public virtual void Emit(OpCode opcode, long val)
! {
! EmitOpcode(ref opcode);
! EmitByte((int)val);
! EmitByte((int)(val >> 8));
! EmitByte((int)(val >> 16));
! EmitByte((int)(val >> 24));
! EmitByte((int)(val >> 32));
! EmitByte((int)(val >> 40));
! EmitByte((int)(val >> 48));
! EmitByte((int)(val >> 56));
! }
! public void Emit(OpCode opcode, sbyte val)
! {
! EmitOpcode(ref opcode);
! EmitByte(val);
! }
! public virtual void Emit(OpCode opcode, float val)
! {
! byte[] bytes;
! EmitOpcode(ref opcode);
! bytes = BitConverter.GetLittleEndianBytes(val);
! EmitByte(bytes[0]);
! EmitByte(bytes[1]);
! EmitByte(bytes[2]);
! EmitByte(bytes[3]);
! }
! public virtual void Emit(OpCode opcode, double val)
! {
! byte[] bytes;
! EmitOpcode(ref opcode);
! bytes = BitConverter.GetLittleEndianBytes(val);
! EmitByte(bytes[0]);
! EmitByte(bytes[1]);
! EmitByte(bytes[2]);
! EmitByte(bytes[3]);
! EmitByte(bytes[4]);
! EmitByte(bytes[5]);
! EmitByte(bytes[6]);
! EmitByte(bytes[7]);
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, ConstructorInfo constructor)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, FieldInfo field)
! {
! throw new NotImplementedException("Emit");
! }
!
! // Emit code for a branch instruction. Note: unlike other
implementations,
! // we always output the branch in such a way that an out of range error
! // can never occur. This makes it easier to process forward references
! // in a single pass through the code.
! public virtual void Emit(OpCode opcode, Label label)
! {
! int index = label.index;
! int shortForm, longForm;
! if(index < 0 || index >= numLabels)
! {
! return;
! }
! if((OperandType)(opcode.operandType) ==
! OperandType.ShortInlineBrTarget)
! {
! // Convert a short opcode into its long
form.
! shortForm = opcode.value;
! if(shortForm >= 0x2B && shortForm <=
0x37)
! {
! longForm = shortForm - 0x2B +
0x38;
! }
! else
! {
! longForm = 0xDD;
! }
! }
! else if((OperandType)(opcode.operandType) ==
!
OperandType.InlineBrTarget)
! {
! // Convert a long opcode into its short
form.
! longForm = opcode.value;
! if(longForm >= 0x38 && longForm <= 0x44)
! {
! shortForm = longForm - 0x2B +
0x38;
! }
! else
! {
! shortForm = 0xDE;
! }
! }
! else
! {
! // Ignore non-branch opcodes.
! return;
! }
! if(labels[index].offset != 0)
! {
! // The label is already defined.
Determine if the
! // branch is long or short.
! int dest = (labels[index].offset - 1) -
(offset + 2);
! if(dest >= -128 && dest <= 127)
! {
! EmitByte(shortForm);
! EmitByte(dest);
! }
! else
! {
! dest = (labels[index].offset -
1) - (offset + 5);
! EmitByte(longForm);
! EmitByte(dest);
! EmitByte(dest >> 8);
! EmitByte(dest >> 16);
! EmitByte(dest >> 24);
! }
! }
! else
! {
! // Output the long form and add a
reference to the label.
! EmitByte(longForm);
! EmitByte(0);
! EmitByte(0);
! EmitByte(0);
! EmitByte(0);
! LabelRef newRef = new LabelRef();
! newRef.next = labels[index].refs;
! newRef.address = offset - 4;
! newRef.switchEnd = -1;
! labels[index].refs = newRef;
! }
! switch((StackBehaviour)(opcode.stackPop))
! {
! case StackBehaviour.Popi:
! --height;
! break;
!
! case StackBehaviour.Pop1_pop1:
! height -= 2;
! break;
!
! default: break;
! }
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, Label[] labels)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, LocalBuilder lbuilder)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, MethodInfo method)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, SignatureHelper shelper)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, String val)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public virtual void Emit(OpCode opcode, Type type)
! {
! throw new NotImplementedException("Emit");
! }
!
! [TODO]
! public void EmitCall(OpCode opcode, MethodInfo methodinfo, Type[]
optionalParamTypes)
! {
! throw new NotImplementedException("EmitCall");
! }
!
! [TODO]
! public void EmitCalli(OpCode opcode, CallingConventions call_conv, Type
returnType, Type[] paramTypes, Type[] optionalParamTypes)
! {
! throw new NotImplementedException("EmitCalli");
! }
!
! [TODO]
! public virtual void EndExceptionBlock()
! {
! throw new NotImplementedException("EndExceptionBlock");
! }
!
! // Exit a lexical naming scope for debug information.
! public virtual void EndScope()
! {
! // Scopes are not currently used in this
implementation.
! }
!
! // Mark a label as existing at this point within the code.
! public virtual void MarkLabel(Label loc)
! {
! // Validate the label identifier.
! int index = loc.index;
! if(index < 0 || index >= numLabels)
! {
! throw new
ArgumentException(_("Emit_InvalidLabel"));
! }
! else if(labels[index].offset != 0)
! {
! throw new
ArgumentException(_("Emit_LabelAlreadyDefined"));
! }
!
! // Update the label information.
! if(labels[index].height > height)
! {
! height = labels[index].height;
! }
! labels[index].offset = offset + 1;
!
! // Perform fixups on all existing references to
the label.
! LabelRef refs = labels[index].refs;
! labels[index].refs = null;
! int address, switchEnd, dest;
! while(refs != null)
! {
! address = refs.address;
! switchEnd = refs.switchEnd;
! if(switchEnd == -1)
! {
! // Back-patch an ordinary long
jump.
! dest = offset - (address + 4);
! }
! else
! {
! // Back-patch an entry in a
switch table.
! dest = offset - switchEnd;
! }
! code[address] = (byte)dest;
! code[address + 1] = (byte)(dest >> 8);
! code[address + 2] = (byte)(dest >> 16);
! code[address + 3] = (byte)(dest >> 24);
! refs = refs.next;
! }
! }
!
! // Mark a sequence point within the debug information.
! public virtual void MarkSequencePoint
! (ISymbolDocumentWriter document, int startLine,
! int startColumn, int endLine, int endColumn)
! {
! // Sequence points are not currently used.
! }
!
! // Short-cut helper methods. Not yet implemented or used.
! public virtual void EmitWriteLine(FieldInfo field)
! {
! throw new
NotImplementedException("EmitWriteLine");
! }
! public virtual void EmitWriteLine(LocalBuilder lbuilder)
! {
! throw new
NotImplementedException("EmitWriteLine");
! }
! public virtual void EmitWriteLine(String val)
! {
! throw new
NotImplementedException("EmitWriteLine");
! }
! public virtual void ThrowException(Type exceptionType)
! {
! throw new
NotImplementedException("ThrowException");
! }
! public void UsingNamespace(String usingNamespace)
! {
! throw new
NotImplementedException("UsingNamespace");
! }
!
! }; // class ILGenerator.cs
!
! }; // namespace System.Reflection.Emit
#endif
Index: Label.cs
===================================================================
RCS file: /cvsroot/dotgnu-pnet/pnetlib/runtime/System/Reflection/Emit/Label.cs,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -r1.1 -r1.2
*** Label.cs 1 Dec 2001 02:06:47 -0000 1.1
--- Label.cs 17 Mar 2003 10:13:43 -0000 1.2
***************
*** 28,32 ****
{
// Internal state.
! private int offset;
// Determine if this label is identical to another.
--- 28,38 ----
{
// Internal state.
! internal int index;
!
! // Constructor.
! internal Label(int index)
! {
! this.index = index;
! }
// Determine if this label is identical to another.
***************
*** 35,39 ****
if(obj is Label)
{
! return (offset == ((Label)obj).offset);
}
else
--- 41,45 ----
if(obj is Label)
{
! return (index == ((Label)obj).index);
}
else
***************
*** 46,50 ****
public override int GetHashCode()
{
! return offset;
}
--- 52,56 ----
public override int GetHashCode()
{
! return index;
}
Index: LocalBuilder.cs
===================================================================
RCS file:
/cvsroot/dotgnu-pnet/pnetlib/runtime/System/Reflection/Emit/LocalBuilder.cs,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -r1.2 -r1.3
*** LocalBuilder.cs 22 Dec 2002 10:50:17 -0000 1.2
--- LocalBuilder.cs 17 Mar 2003 10:13:43 -0000 1.3
***************
*** 4,8 ****
* Copyright (C) 2002 Southern Storm Software, Pty Ltd.
*
! * Contributed by Gopal.V <address@hidden>
*
* This program is free software; you can redistribute it and/or modify
--- 4,9 ----
* Copyright (C) 2002 Southern Storm Software, Pty Ltd.
*
! * Contributions from Gopal.V <address@hidden>
! * Rhys Weatherley <address@hidden>
*
* This program is free software; you can redistribute it and/or modify
***************
*** 27,55 ****
namespace System.Reflection.Emit
{
! public sealed class LocalBuilder
! {
! [TODO]
! public void SetLocalSymInfo(String lname, int startOffset, int
endOffset)
! {
! throw new NotImplementedException("SetLocalSymInfo");
! }
!
! [TODO]
! public void SetLocalSymInfo(String lname)
! {
! throw new NotImplementedException("SetLocalSymInfo");
! }
!
! [TODO]
! public Type LocalType
! {
! get
{
! throw new NotImplementedException("LocalType");
}
! }
! }
! }//namespace
#endif
--- 28,72 ----
namespace System.Reflection.Emit
{
!
! public sealed class LocalBuilder
! {
! // Internal state.
! private ModuleBuilder module;
! private String name;
! private Type type;
! private int index;
!
! // Constructor.
! internal LocalBuilder(ModuleBuilder module, Type type, int index)
! {
! this.module = module;
! this.type = type;
! this.index = index;
! }
!
! // Set the symbol information for a local variable.
! [TODO]
! public void SetLocalSymInfo(String lname, int startOffset, int
endOffset)
{
! name = lname;
! // TODO: write debug information about the
local variable
}
! public void SetLocalSymInfo(String lname)
! {
! SetLocalSymInfo(lname, 0, 0);
! }
!
! // Get the type of the local variable.
! public Type LocalType
! {
! get
! {
! return type;
! }
! }
!
! }; // class LocalBuilder
! }; // namespace System.Reflection.Emit
#endif
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Rhys Weatherley <address@hidden> <=