public void TerConstants()
{
var arch = new FakeArchitecture();
Program program = new Program(
new SegmentMap(Address.Ptr32(0x10000)),
arch,
new DefaultPlatform(null, arch));
SetupPreStages(program);
Constant r = Constant.Real32(3.0F);
Constant i = Constant.Int32(1);
Identifier x = new Identifier("x", PrimitiveType.Word32, null);
Assignment ass = new Assignment(x, r);
TypeVariable tvR = r.TypeVariable = program.TypeFactory.CreateTypeVariable();
TypeVariable tvI = i.TypeVariable = program.TypeFactory.CreateTypeVariable();
TypeVariable tvX = x.TypeVariable = program.TypeFactory.CreateTypeVariable();
program.TypeStore.TypeVariables.AddRange(new TypeVariable[] { tvR, tvI, tvX });
UnionType u = program.TypeFactory.CreateUnionType(null, null, new DataType[] { r.DataType, i.DataType });
tvR.OriginalDataType = r.DataType;
tvI.OriginalDataType = i.DataType;
tvX.OriginalDataType = x.DataType;
tvR.DataType = u;
tvI.DataType = u;
tvX.DataType = u;
ctn.RenameAllTypes(program.TypeStore);
var ter = new TypedExpressionRewriter(program, null);
Instruction instr = ter.TransformAssignment(ass);
Assert.AreEqual("x.u0 = 3.0F", instr.ToString());
}
protected override void RunTest(Program program, string outputFile)
{
var eventListener = new FakeDecompilerEventListener();
using (FileUnitTester fut = new FileUnitTester(outputFile))
{
fut.TextWriter.WriteLine("// Before ///////");
DumpProgram(program, fut.TextWriter);
SetupPreStages(program);
aen.Transform(program);
eqb.Build(program);
var coll = new TypeCollector(program.TypeFactory, program.TypeStore, program, eventListener);
coll.CollectTypes();
program.TypeStore.BuildEquivalenceClassDataTypes(program.TypeFactory);
tvr.ReplaceTypeVariables();
trans.Transform();
ctn.RenameAllTypes(program.TypeStore);
ter = new TypedExpressionRewriter(program, eventListener);
try
{
ter.RewriteProgram(program);
}
catch (Exception ex)
{
fut.TextWriter.WriteLine("** Exception **");
fut.TextWriter.WriteLine(ex);
}
finally
{
fut.TextWriter.WriteLine("// After ///////");
DumpProgAndStore(program, fut);
}
}
}
public void TerComplex()
{
Program program = new Program();
program.SegmentMap = new SegmentMap(Address.Ptr32(0x0010000));
program.Architecture = new FakeArchitecture();
program.Platform = new DefaultPlatform(null, program.Architecture);
SetupPreStages(program);
Identifier id = new Identifier("v0", PrimitiveType.Word32, null);
Expression cmp = MemLoad(id, 4, PrimitiveType.Word32);
program.Globals.Accept(eqb);
cmp.Accept(aen);
cmp.Accept(eqb);
coll = new TraitCollector(program.TypeFactory, program.TypeStore, dtb, program);
cmp.Accept(coll);
dtb.BuildEquivalenceClassDataTypes();
tvr.ReplaceTypeVariables();
trans.Transform();
ctn.RenameAllTypes(program.TypeStore);
ter = new TypedExpressionRewriter(program, null);
cmp = cmp.Accept(ter);
Assert.AreEqual("v0->dw0004", cmp.ToString());
}
public void Tmer_PointerToSingleItem()
{
var ptr = new Identifier("ptr", PrimitiveType.Word32, null);
CreateTv(ptr, new Pointer(point, 4), new Pointer(point, 4));
var tmer = new TypedExpressionRewriter(program, null);
var access = CreateTv(m.LoadDw(m.IAdd(ptr, 0)));
Expression e = access.Accept(tmer);
Assert.AreEqual("ptr->dw0000", e.ToString());
}
protected void RunStringTest(Program program, string expectedOutput)
{
var sw = new StringWriter();
sw.WriteLine("// Before ///////");
DumpProgram(program, sw);
var eventListener = new FakeDecompilerEventListener();
SetupPreStages(program);
aen.Transform(program);
eqb.Build(program);
var coll = new TypeCollector(program.TypeFactory, program.TypeStore, program, eventListener);
coll.CollectTypes();
program.TypeStore.Dump();
program.TypeStore.BuildEquivalenceClassDataTypes(program.TypeFactory);
program.TypeStore.Dump();
tvr.ReplaceTypeVariables();
trans.Transform();
ctn.RenameAllTypes(program.TypeStore);
var ter = new TypedExpressionRewriter(program, eventListener);
try
{
ter.RewriteProgram(program);
}
catch (Exception ex)
{
sw.WriteLine("** Exception **");
sw.WriteLine(ex);
throw;
}
finally
{
sw.WriteLine("// After ///////");
DumpProgram(program, sw);
}
var sActual = sw.ToString();
if (expectedOutput != sActual)
{
Console.WriteLine(sActual);
Assert.AreEqual(expectedOutput, sActual);
}
}
public void Tmer_PointerToSecondItemOfPoint()
{
Identifier ptr = new Identifier("ptr", PrimitiveType.Word32, null);
store.EnsureExpressionTypeVariable(factory, ptr);
EquivalenceClass eqPtr = new EquivalenceClass(ptr.TypeVariable);
eqPtr.DataType = point;
ptr.TypeVariable.OriginalDataType = new Pointer(point, 4);
ptr.TypeVariable.DataType = new Pointer(eqPtr, 4);
var c = CreateTv(Constant.Word32(4));
var bin = CreateTv(new BinaryExpression(BinaryOperator.IAdd, PrimitiveType.Word32, ptr, c));
var mem = CreateTv(new MemoryAccess(bin, PrimitiveType.Word32));
var tmer = new TypedExpressionRewriter(program, null);
Expression e = mem.Accept(tmer);
Assert.AreEqual("ptr->dw0004", e.ToString());
}
public void Tmer_PointerToSingleItem()
{
var ptr = new Identifier("ptr", PrimitiveType.Word32, null);
var tv = store.EnsureExpressionTypeVariable(factory, ptr);
tv.OriginalDataType = new Pointer(point, 4);
var eq = new EquivalenceClass(tv);
eq.DataType = point;
tv.DataType = new Pointer(eq, 4);
TypedExpressionRewriter tmer = new TypedExpressionRewriter(program);
var access = Wrap(new MemoryAccess(ptr, PrimitiveType.Word32));
TypeVariable tvAccess = access.TypeVariable;
tvAccess.DataType = PrimitiveType.Word32;
Expression e = access.Accept(tmer);
Assert.AreEqual("ptr->dw0000", e.ToString());
}