119 lines
3.3 KiB
C#
119 lines
3.3 KiB
C#
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining
|
|
// a copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
|
// permit persons to whom the Software is furnished to do so, subject to
|
|
// the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
//
|
|
// Copyright (C) Lluis Sanchez Gual, 2004
|
|
//
|
|
|
|
|
|
#if !FULL_AOT_RUNTIME
|
|
using System;
|
|
using System.Reflection;
|
|
using System.Reflection.Emit;
|
|
|
|
namespace Mono.CodeGeneration
|
|
{
|
|
public class CodeAnd: CodeConditionExpression
|
|
{
|
|
CodeExpression exp1;
|
|
CodeExpression exp2;
|
|
Type t1;
|
|
Type t2;
|
|
|
|
public CodeAnd (CodeExpression exp1, CodeExpression exp2)
|
|
{
|
|
this.exp1 = exp1;
|
|
this.exp2 = exp2;
|
|
|
|
if (exp1.GetResultType () != typeof(bool) || exp1.GetResultType () != typeof(bool)) {
|
|
if (t1 != t2)
|
|
throw new InvalidOperationException ("Can't compare values of different primitive types");
|
|
}
|
|
}
|
|
|
|
public override void Generate (ILGenerator gen)
|
|
{
|
|
Label falseLabel = gen.DefineLabel ();
|
|
Label endLabel = gen.DefineLabel ();
|
|
|
|
if (exp1 is CodeConditionExpression)
|
|
((CodeConditionExpression)exp1).GenerateForBranch (gen, falseLabel, false);
|
|
else {
|
|
exp1.Generate (gen);
|
|
gen.Emit (OpCodes.Brfalse, falseLabel);
|
|
}
|
|
|
|
exp2.Generate (gen);
|
|
gen.Emit (OpCodes.Br, endLabel);
|
|
gen.MarkLabel(falseLabel);
|
|
gen.Emit (OpCodes.Ldc_I4_0);
|
|
gen.MarkLabel(endLabel);
|
|
}
|
|
|
|
public override void GenerateForBranch (ILGenerator gen, Label label, bool branchCase)
|
|
{
|
|
Label endLabel = gen.DefineLabel ();
|
|
exp1.Generate (gen);
|
|
|
|
if (exp1 is CodeConditionExpression) {
|
|
if (branchCase)
|
|
((CodeConditionExpression)exp1).GenerateForBranch (gen, endLabel, false);
|
|
else
|
|
((CodeConditionExpression)exp1).GenerateForBranch (gen, label, false);
|
|
}
|
|
else {
|
|
exp1.Generate (gen);
|
|
if (branchCase)
|
|
gen.Emit (OpCodes.Brfalse, endLabel);
|
|
else
|
|
gen.Emit (OpCodes.Brfalse, label);
|
|
}
|
|
|
|
if (exp2 is CodeConditionExpression) {
|
|
if (branchCase)
|
|
((CodeConditionExpression)exp2).GenerateForBranch (gen, label, true);
|
|
else
|
|
((CodeConditionExpression)exp2).GenerateForBranch (gen, label, false);
|
|
}
|
|
else {
|
|
exp2.Generate (gen);
|
|
if (branchCase)
|
|
gen.Emit (OpCodes.Brtrue, label);
|
|
else
|
|
gen.Emit (OpCodes.Brfalse, label);
|
|
}
|
|
|
|
gen.MarkLabel(endLabel);
|
|
}
|
|
|
|
public override void PrintCode (CodeWriter cp)
|
|
{
|
|
exp1.PrintCode (cp);
|
|
cp.Write (" && ");
|
|
exp2.PrintCode (cp);
|
|
}
|
|
|
|
public override Type GetResultType ()
|
|
{
|
|
return typeof (bool);
|
|
}
|
|
}
|
|
}
|
|
#endif
|