public override void CaseAIntConstExp(AIntConstExp node)
{
if (folding)
{
value = int.Parse(node.GetIntegerLiteral().Text);
}
}
public override void CaseAOctalConstExp(AOctalConstExp node)
{
int i = Convert.ToInt32(node.GetOctalLiteral().Text.Substring(1), 8);
AIntConstExp intConst = new AIntConstExp(new TIntegerLiteral(i.ToString(), node.GetOctalLiteral().Line, node.GetOctalLiteral().Pos));
node.ReplaceBy(intConst);
intConst.Apply(this);
}
public override void OutAIntConstExp(AIntConstExp node)
{
// check: valid 32 bit integer
// annotate: type and value in current scope.
long result = RuntimeEnvironment.ConvertToLong(node.GetValue());
PType type = RuntimeEnvironment.GetSmallestFit(result);
Env.CurrentScope.Add(node, result, type);
base.OutAIntConstExp(node);
}
public override void OutAAProgram(AAProgram node)
{
foreach (KeyValuePair <AArrayLengthLvalue, AArrayTempType> pair in data.ArrayLengthTypes)
{
AIntConstExp intConst = new AIntConstExp(new TIntegerLiteral(pair.Value.GetIntDim().Text));
data.ExpTypes[intConst] = new ANamedType(new TIdentifier("int"), null);
ALvalueExp exp = Util.GetAncestor <ALvalueExp>(pair.Key);
exp.ReplaceBy(intConst);
}
base.OutAAProgram(node);
}
private void MakeAssignments(AABlock block, PType type, PLvalue leftSide, bool onEnhritedFields)
{
if (type is ANamedType && data.StructTypeLinks.ContainsKey((ANamedType)type))
{
AStructDecl str = data.StructTypeLinks[(ANamedType)type];
foreach (AALocalDecl field in str.GetLocals().OfType <AALocalDecl>())
{
if (!onEnhritedFields && data.EnheritanceLocalMap.ContainsKey(field))
{
continue;
}
ALvalueExp lvalueExp = new ALvalueExp(Util.MakeClone(leftSide, data));
data.ExpTypes[lvalueExp] = data.LvalueTypes[leftSide];
AStructLvalue newLeftSide = new AStructLvalue(lvalueExp, new ADotDotType(new TDot(".")), new TIdentifier(field.GetName().Text));
data.StructFieldLinks[newLeftSide] = field;
data.LvalueTypes[newLeftSide] = field.GetType();
if (field.GetInit() != null)
{
AAssignmentExp assignment = new AAssignmentExp(new TAssign("="), newLeftSide,
Util.MakeClone(field.GetInit(), data));
data.ExpTypes[assignment] = data.LvalueTypes[newLeftSide];
block.GetStatements().Add(new AExpStm(new TSemicolon(";"),
assignment));
}
else
{
MakeAssignments(block, field.GetType(), newLeftSide, onEnhritedFields);
}
}
}
else if (type is AArrayTempType)
{
AArrayTempType aType = (AArrayTempType)type;
for (int i = 0; i < int.Parse(aType.GetIntDim().Text); i++)
{
AIntConstExp index = new AIntConstExp(new TIntegerLiteral(i.ToString()));
data.ExpTypes[index] = new ANamedType(new TIdentifier("int"), null);
ALvalueExp lvalueExp = new ALvalueExp(Util.MakeClone(leftSide, data));
data.ExpTypes[lvalueExp] = data.LvalueTypes[leftSide];
AArrayLvalue newLeftSide = new AArrayLvalue(new TLBracket("["), lvalueExp, index);
data.LvalueTypes[newLeftSide] = aType.GetType();
MakeAssignments(block, aType.GetType(), newLeftSide, onEnhritedFields);
}
}
}
public override void OutAEnumDecl(AEnumDecl node)
{
AStructDecl replacer = new AStructDecl(node.GetVisibilityModifier(), null, null, null, node.GetEndToken(),
node.GetName(), new ArrayList(), null, new ArrayList());
int intVal = 0;
//int min = int.MaxValue;
//int max = int.MinValue;
//List<TIdentifier> types = new List<TIdentifier>();
foreach (AAEnumLocal value in node.GetValues())
{
AIntConstExp intConst;
if (value.GetValue() != null)
{
intConst = (AIntConstExp)value.GetValue();
intVal = int.Parse(intConst.GetIntegerLiteral().Text) + 1;
}
else
{
intConst = new AIntConstExp(new TIntegerLiteral(intVal.ToString(), value.GetName().Line, value.GetName().Pos));
intVal++;
}
// min = Math.Min(intVal - 1, min);
// max = Math.Max(intVal - 1, max);
TIdentifier typeIdentifier = new TIdentifier(replacer.GetName().Text, value.GetName().Line, value.GetName().Pos);
// types.Add(typeIdentifier);
AALocalDecl localDecl = new AALocalDecl(new APublicVisibilityModifier(),
new TStatic("static", value.GetName().Line, value.GetName().Pos),
null, null,
new TConst("const", value.GetName().Line, value.GetName().Pos),
new ANamedType(typeIdentifier, null), value.GetName(), intConst);
replacer.GetLocals().Add(localDecl);
}
/* if (min < 0 || max > 255)
* foreach (TIdentifier identifier in types)
* {
* identifier.Text = "int";
* }*/
node.ReplaceBy(replacer);
replacer.Apply(this);
replacer.GetName().Text = "enum " + replacer.GetName().Text;
}
public override void CaseAArrayLvalue(AArrayLvalue node)
{
bool containedLiteral = containsLiteral;
containsLiteral = false;
node.GetIndex().Apply(this);
bool hasLiteral = containsLiteral;
containsLiteral = containedLiteral;
PType type = data.ExpTypes[node.GetIndex()];
if (!hasLiteral && type is ANamedType && ((ANamedType)type).IsPrimitive("byte"))
{
AIntConstExp intConst = new AIntConstExp(new TIntegerLiteral("0"));
ABinopExp binop = new ABinopExp(node.GetIndex(), new APlusBinop(new TPlus("+")), intConst);
data.ExpTypes[intConst] =
data.ExpTypes[binop] = new ANamedType(new TIdentifier("int"), null);
node.SetIndex(binop);
}
node.GetBase().Apply(this);
}
private AMethodDecl GetMethodMethod()
{
if (GetMethodPartMethod != null)
{
return(GetMethodPartMethod);
}
/*
* string GetMethodPart(string delegate)
* {
* int i = StringFind(delegate, ":", false);
* if (i == -1)
* {
* return delegate;
* }
* return StringSub(delegate, 1, i - 1);
* }
*/
AASourceFile sourceFile = Util.GetAncestor <AASourceFile>(finalTrans.mainEntry);
AALocalDecl delegateFormal = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null,
new ANamedType(new TIdentifier("string"), null),
new TIdentifier("delegate"), null);
ALocalLvalue delegateRef1 = new ALocalLvalue(new TIdentifier("delegate"));
ALocalLvalue delegateRef2 = new ALocalLvalue(new TIdentifier("delegate"));
ALocalLvalue delegateRef3 = new ALocalLvalue(new TIdentifier("delegate"));
ALvalueExp delegateRef1Exp = new ALvalueExp(delegateRef1);
ALvalueExp delegateRef2Exp = new ALvalueExp(delegateRef2);
ALvalueExp delegateRef3Exp = new ALvalueExp(delegateRef3);
AStringConstExp stringConst = new AStringConstExp(new TStringLiteral("\":\""));
ABooleanConstExp booleanConst = new ABooleanConstExp(new AFalseBool());
AIntConstExp intConst1 = new AIntConstExp(new TIntegerLiteral("-1"));
AIntConstExp intConst2 = new AIntConstExp(new TIntegerLiteral("1"));
AIntConstExp intConst3 = new AIntConstExp(new TIntegerLiteral("1"));
ASimpleInvokeExp stringFindInvoke = new ASimpleInvokeExp(new TIdentifier("StringFind"),
new ArrayList()
{
delegateRef1Exp, stringConst, booleanConst
});
AALocalDecl iDecl = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null, new ANamedType(new TIdentifier("int"), null),
new TIdentifier("i"), stringFindInvoke);
ALocalLvalue iRef1 = new ALocalLvalue(new TIdentifier("i"));
ALocalLvalue iRef2 = new ALocalLvalue(new TIdentifier("i"));
ALvalueExp iRef1Exp = new ALvalueExp(iRef1);
ALvalueExp iRef2Exp = new ALvalueExp(iRef2);
ABinopExp binop1 = new ABinopExp(iRef1Exp, new AEqBinop(new TEq("==")), intConst1);
AIfThenStm ifThen = new AIfThenStm(new TLParen("("), binop1,
new ABlockStm(new TLBrace("{"),
new AABlock(
new ArrayList()
{
new AValueReturnStm(new TReturn("return"),
delegateRef2Exp)
},
new TRBrace("}"))));
ABinopExp binop2 = new ABinopExp(iRef2Exp, new AMinusBinop(new TMinus("-")), intConst3);
ASimpleInvokeExp stringSubInvoke = new ASimpleInvokeExp(new TIdentifier("StringSub"),
new ArrayList()
{
delegateRef3Exp, intConst2, binop2
});
GetMethodPartMethod = new AMethodDecl(new APublicVisibilityModifier(), null, null, null, null, null,
new ANamedType(new TIdentifier("string"), null),
new TIdentifier("GetMethodPart", finalTrans.data.LineCounts[sourceFile] + 1, 1), new ArrayList()
{
delegateFormal
},
new AABlock(
new ArrayList()
{
new ALocalDeclStm(new TSemicolon(";"), iDecl),
ifThen,
new AValueReturnStm(new TReturn("return"), stringSubInvoke)
},
new TRBrace("}")));
sourceFile.GetDecl().Add(GetMethodPartMethod);
finalTrans.data.LocalLinks[delegateRef1] =
finalTrans.data.LocalLinks[delegateRef2] =
finalTrans.data.LocalLinks[delegateRef3] = delegateFormal;
finalTrans.data.LocalLinks[iRef1] =
finalTrans.data.LocalLinks[iRef2] = iDecl;
finalTrans.data.LvalueTypes[delegateRef1] =
finalTrans.data.LvalueTypes[delegateRef2] =
finalTrans.data.LvalueTypes[delegateRef3] =
finalTrans.data.ExpTypes[delegateRef1Exp] =
finalTrans.data.ExpTypes[delegateRef2Exp] =
finalTrans.data.ExpTypes[delegateRef3Exp] =
finalTrans.data.ExpTypes[stringConst] =
finalTrans.data.ExpTypes[stringSubInvoke] = new ANamedType(new TIdentifier("string"), null);
finalTrans.data.LvalueTypes[iRef1] =
finalTrans.data.LvalueTypes[iRef2] =
finalTrans.data.ExpTypes[iRef1Exp] =
finalTrans.data.ExpTypes[iRef2Exp] =
finalTrans.data.ExpTypes[stringFindInvoke] =
finalTrans.data.ExpTypes[intConst1] =
finalTrans.data.ExpTypes[intConst2] =
finalTrans.data.ExpTypes[intConst3] =
finalTrans.data.ExpTypes[binop2] = new ANamedType(new TIdentifier("int"), null);
finalTrans.data.ExpTypes[booleanConst] =
finalTrans.data.ExpTypes[binop1] = new ANamedType(new TIdentifier("bool"), null);
finalTrans.data.SimpleMethodLinks[stringFindInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == stringFindInvoke.GetName().Text);
finalTrans.data.SimpleMethodLinks[stringSubInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == stringSubInvoke.GetName().Text);
return(GetMethodPartMethod);
}
private AMethodDecl GetStringPointerMethod()
{
if (GetStringPointerPartMethod != null)
{
return(GetStringPointerPartMethod);
}
/*
* string GetPointerPart(string delegate)
* {
* return StringSub(delegate, StringFind(delegate, ":", false) + 1, StringLength(delegate));
* }
*/
AASourceFile sourceFile = Util.GetAncestor <AASourceFile>(finalTrans.mainEntry);
AALocalDecl delegateFormal = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null,
new ANamedType(new TIdentifier("string"), null),
new TIdentifier("delegate"), null);
ALocalLvalue delegateRef1 = new ALocalLvalue(new TIdentifier("delegate"));
ALocalLvalue delegateRef2 = new ALocalLvalue(new TIdentifier("delegate"));
ALocalLvalue delegateRef3 = new ALocalLvalue(new TIdentifier("delegate"));
ALvalueExp delegateRef1Exp = new ALvalueExp(delegateRef1);
ALvalueExp delegateRef2Exp = new ALvalueExp(delegateRef2);
ALvalueExp delegateRef3Exp = new ALvalueExp(delegateRef3);
AStringConstExp stringConst = new AStringConstExp(new TStringLiteral("\":\""));
ABooleanConstExp booleanConst = new ABooleanConstExp(new AFalseBool());
ASimpleInvokeExp stringFindInvoke = new ASimpleInvokeExp(new TIdentifier("StringFind"), new ArrayList()
{
delegateRef2Exp, stringConst, booleanConst
});
AIntConstExp intConst = new AIntConstExp(new TIntegerLiteral("1"));
ABinopExp binop = new ABinopExp(stringFindInvoke, new APlusBinop(new TPlus("+")), intConst);
ASimpleInvokeExp stringLengthInvoke = new ASimpleInvokeExp(new TIdentifier("StringLength"), new ArrayList()
{
delegateRef3Exp
});
ASimpleInvokeExp stringSubInvoke = new ASimpleInvokeExp(new TIdentifier("StringSub"), new ArrayList()
{
delegateRef1Exp, binop, stringLengthInvoke
});
GetStringPointerPartMethod = new AMethodDecl(new APublicVisibilityModifier(), null, null, null, null, null,
new ANamedType(new TIdentifier("string"), null),
new TIdentifier("GetPointerPart", finalTrans.data.LineCounts[sourceFile] + 1, 1), new ArrayList()
{
delegateFormal
},
new AABlock(
new ArrayList()
{
new AValueReturnStm(new TReturn("return"), stringSubInvoke)
},
new TRBrace("}")));
sourceFile.GetDecl().Add(GetStringPointerPartMethod);
data.Methods.Add(new SharedData.DeclItem <AMethodDecl>(sourceFile, GetStringPointerPartMethod));
finalTrans.data.LocalLinks[delegateRef1] =
finalTrans.data.LocalLinks[delegateRef2] =
finalTrans.data.LocalLinks[delegateRef3] = delegateFormal;
finalTrans.data.LvalueTypes[delegateRef1] =
finalTrans.data.LvalueTypes[delegateRef2] =
finalTrans.data.LvalueTypes[delegateRef3] =
finalTrans.data.ExpTypes[delegateRef1Exp] =
finalTrans.data.ExpTypes[delegateRef2Exp] =
finalTrans.data.ExpTypes[delegateRef3Exp] =
finalTrans.data.ExpTypes[stringConst] =
finalTrans.data.ExpTypes[stringSubInvoke] = new ANamedType(new TIdentifier("string"), null);
finalTrans.data.ExpTypes[booleanConst] = new ANamedType(new TIdentifier("bool"), null);
finalTrans.data.ExpTypes[intConst] =
finalTrans.data.ExpTypes[binop] =
finalTrans.data.ExpTypes[stringFindInvoke] =
finalTrans.data.ExpTypes[stringLengthInvoke] = new ANamedType(new TIdentifier("int"), null);
finalTrans.data.SimpleMethodLinks[stringFindInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == stringFindInvoke.GetName().Text);
finalTrans.data.SimpleMethodLinks[stringLengthInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == stringLengthInvoke.GetName().Text);
finalTrans.data.SimpleMethodLinks[stringSubInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == stringSubInvoke.GetName().Text);
return(GetStringPointerPartMethod);
}
public override void CaseAIntConstExp(AIntConstExp node)
{
Value += node.GetIntegerLiteral().Text;
}
public override void CaseAIntConstExp(AIntConstExp node)
{
containsLiteral = true;
}
public override void CaseABinopExp(ABinopExp node)
{
bool pushed = false;
if (!(node.Parent() is ABinopExp))
{
PushStack();
pushed = true;
}
try
{
bool isIntegerType = data.ExpTypes[node] is ANamedType &&
(((ANamedType)data.ExpTypes[node]).IsPrimitive("int") ||
((ANamedType)data.ExpTypes[node]).IsPrimitive("byte"));
if (isIntegerType)
{
if (node.GetBinop() is APlusBinop || node.GetBinop() is AMinusBinop)
{
node.GetLeft().Apply(this);
if (!Util.HasAncestor <AAProgram>(node))
{
return;
}
if (node.GetBinop() is AMinusBinop)
{
isNegativeRightSide = !isNegativeRightSide;
}
node.GetRight().Apply(this);
if (node.GetBinop() is AMinusBinop)
{
isNegativeRightSide = !isNegativeRightSide;
}
if (!Util.HasAncestor <AAProgram>(node))
{
return;
}
for (int i = 0; i < intConsts.Count; i++)
{
for (int j = i + 1; j < intConsts.Count; j++)
{
Pair <AIntConstExp, bool> const1 = intConsts[i];
Pair <AIntConstExp, bool> const2 = intConsts[j];
ABinopExp pBinop1 = (ABinopExp)const1.Car.Parent();
ABinopExp pBinop2 = (ABinopExp)const2.Car.Parent();
int a = int.Parse(const1.Car.GetIntegerLiteral().Text);
int b = int.Parse(const2.Car.GetIntegerLiteral().Text);
int c;
if (const1.Cdr != const2.Cdr)
{
c = a - b;
}
else
{
c = a + b;
}
//Eliminate stuff like <exp> + -1
if (c < 0 && pBinop1.GetRight() == const1.Car)
{
c = -c;
if (pBinop1.GetBinop() is AMinusBinop)
{
pBinop1.SetBinop(new APlusBinop(new TPlus("+")));
}
else
{
pBinop1.SetBinop(new AMinusBinop(new TMinus("-")));
}
const1.Cdr = !const1.Cdr;
}
const1.Car.GetIntegerLiteral().Text = c.ToString();
//Remove binop2
if (pBinop2.GetLeft() == const2.Car)
{
if (pBinop2.GetBinop() is AMinusBinop)
{
if (pBinop2.GetRight() is AIntConstExp)
{
AIntConstExp const3 = (AIntConstExp)pBinop2.GetRight();
const3.GetIntegerLiteral().Text =
(-int.Parse(const3.GetIntegerLiteral().Text)).ToString();
pBinop2.ReplaceBy(const3);
intConsts.Add(new Pair <AIntConstExp, bool>(const3, isNegativeRightSide));
}
else
{
AUnopExp unop = new AUnopExp(new ANegateUnop(new TMinus("-")),
pBinop2.GetRight());
data.ExpTypes[unop] = new ANamedType(new TIdentifier("int"), null);
pBinop2.ReplaceBy(unop);
}
}
else
{
pBinop2.ReplaceBy(pBinop2.GetRight());
}
}
else
{
pBinop2.ReplaceBy(pBinop2.GetLeft());
}
intConsts.RemoveAt(j);
j--;
}
}
return;
}
}
{
PushStack();
node.GetLeft().Apply(this);
PopStack();
PushStack();
node.GetRight().Apply(this);
PopStack();
}
if (isIntegerType && (node.GetBinop() is ATimesBinop || node.GetBinop() is ADivideBinop) &&
node.GetLeft() is AIntConstExp && node.GetRight() is AIntConstExp)
{
AIntConstExp const1 = (AIntConstExp)node.GetLeft();
AIntConstExp const2 = (AIntConstExp)node.GetRight();
int a = int.Parse(const1.GetIntegerLiteral().Text);
int b = int.Parse(const2.GetIntegerLiteral().Text);
int c;
if (node.GetBinop() is ATimesBinop || b != 0)
{
if (node.GetBinop() is ATimesBinop)
{
c = a * b;
}
else
{
c = a / b;
}
const1.GetIntegerLiteral().Text = c.ToString();
node.ReplaceBy(const1);
const1.Apply(this);
return;
}
}
if (node.GetBinop() is AEqBinop || node.GetBinop() is ANeBinop)
{
if (node.GetLeft() is ABooleanConstExp && node.GetRight() is ABooleanConstExp)
{
bool b1 = ((ABooleanConstExp)node.GetLeft()).GetBool() is ATrueBool;
bool b2 = ((ABooleanConstExp)node.GetRight()).GetBool() is ATrueBool;
bool b3 = false;
if (node.GetBinop() is AEqBinop)
{
b3 = b1 == b2;
}
else if (node.GetBinop() is ANeBinop)
{
b3 = b1 != b2;
}
((ABooleanConstExp)node.GetLeft()).SetBool(b3 ? (PBool) new ATrueBool() : new AFalseBool());
node.ReplaceBy(node.GetLeft());
return;
}
else if (node.GetLeft() is AIntConstExp && node.GetRight() is AIntConstExp)
{
AIntConstExp const1 = (AIntConstExp)node.GetLeft();
AIntConstExp const2 = (AIntConstExp)node.GetRight();
int a = int.Parse(const1.GetIntegerLiteral().Text);
int b = int.Parse(const2.GetIntegerLiteral().Text);
bool c = false;
if (node.GetBinop() is AEqBinop)
{
c = a == b;
}
else if (node.GetBinop() is ANeBinop)
{
c = a != b;
}
ABooleanConstExp booleanExp = new ABooleanConstExp(c ? (PBool) new ATrueBool() : new AFalseBool());
data.ExpTypes[booleanExp] = new ANamedType(new TIdentifier("bool"), null);
node.ReplaceBy(booleanExp);
return;
}
else if (node.GetLeft() is ANullExp && node.GetRight() is ANullExp)
{
ABooleanConstExp booleanExp = new ABooleanConstExp(node.GetBinop() is AEqBinop ? (PBool) new ATrueBool() : new AFalseBool());
data.ExpTypes[booleanExp] = new ANamedType(new TIdentifier("bool"), null);
node.ReplaceBy(booleanExp);
return;
}
else if (node.GetLeft() is AStringConstExp && node.GetRight() is AStringConstExp)
{
AStringConstExp const1 = (AStringConstExp)node.GetLeft();
AStringConstExp const2 = (AStringConstExp)node.GetRight();
string a = const1.GetStringLiteral().Text;
string b = const2.GetStringLiteral().Text;
bool c = false;
if (node.GetBinop() is AEqBinop)
{
c = a == b;
}
else if (node.GetBinop() is ANeBinop)
{
c = a != b;
}
ABooleanConstExp booleanExp = new ABooleanConstExp(c ? (PBool) new ATrueBool() : new AFalseBool());
data.ExpTypes[booleanExp] = new ANamedType(new TIdentifier("bool"), null);
node.ReplaceBy(booleanExp);
return;
}
}
if ((node.GetLeft() is ABooleanConstExp || node.GetRight() is ABooleanConstExp) &&
(node.GetBinop() is ALazyAndBinop || node.GetBinop() is ALazyOrBinop))
{
ABooleanConstExp boolExp;
PExp other;
if (node.GetLeft() is ABooleanConstExp)
{
boolExp = (ABooleanConstExp)node.GetLeft();
other = node.GetRight();
}
else
{
boolExp = (ABooleanConstExp)node.GetRight();
other = node.GetLeft();
}
if (node.GetBinop() is ALazyAndBinop)
{
if (boolExp.GetBool() is ATrueBool)
{
//true && <exp>
node.ReplaceBy(other);
}
else
{
//false && <exp>
node.ReplaceBy(boolExp);
}
}
else
{
if (boolExp.GetBool() is ATrueBool)
{
//true || <exp>
node.ReplaceBy(boolExp);
}
else
{
//false || <exp>
node.ReplaceBy(other);
}
}
return;
}
}
finally
{
if (pushed)
{
PopStack();
}
}
}
public override void DefaultIn(Node node)
{
if (!canMerge)
{
return;
}
if (node is AMethodDecl)
{
//First node - no need to fetch
if (((AMethodDecl)node).GetFormals().Count != ((AMethodDecl)otherNode).GetFormals().Count)
{
canMerge = false;
}
return;
}
//Fetch corrosponding other node
int index = 0;
GetChildTypeIndex getChildTypeIndex = new GetChildTypeIndex()
{
Parent = node.Parent(), Child = node
};
node.Parent().Apply(getChildTypeIndex);
index = getChildTypeIndex.Index;
GetChildTypeByIndex getChildTypeByIndex = new GetChildTypeByIndex()
{
Child = node, Index = index, Parent = otherNode
};
otherNode.Apply(getChildTypeByIndex);
otherNode = getChildTypeByIndex.Child;
if (otherNode.GetType() != node.GetType())
{
canMerge = false;
return;
}
if (node is AALocalDecl)
{
locals.Add((AALocalDecl)node);
otherLocals.Add((AALocalDecl)otherNode);
return;
}
if (node is ANamedType)
{
ANamedType aNode = (ANamedType)node;
ANamedType aOther = (ANamedType)otherNode;
if (data.StructTypeLinks.ContainsKey(aNode) != data.StructTypeLinks.ContainsKey(aOther))
{
canMerge = false;
return;
}
if (data.StructTypeLinks.ContainsKey(aNode) && data.StructTypeLinks[aNode] != data.StructTypeLinks[aOther])
{
canMerge = false;
}
if (!data.StructTypeLinks.ContainsKey(aNode) && aNode.IsSame(aOther, true))//aNode.GetName().Text != aOther.GetName().Text)
{
canMerge = false;
}
if (aNode.IsPrimitive() && !aOther.IsPrimitive(aNode.AsIdentifierString()))
{
canMerge = false;
}
return;
}
if (node is AABlock)
{
AABlock aNode = (AABlock)node;
AABlock aOther = (AABlock)otherNode;
if (aNode.GetStatements().Count != aOther.GetStatements().Count)
{
canMerge = false;
}
return;
}
if (node is AIntConstExp)
{
AIntConstExp aNode = (AIntConstExp)node;
AIntConstExp aOther = (AIntConstExp)otherNode;
if (aNode.GetIntegerLiteral().Text != aOther.GetIntegerLiteral().Text)
{
canMerge = false;
}
return;
}
if (node is AFixedConstExp)
{
AFixedConstExp aNode = (AFixedConstExp)node;
AFixedConstExp aOther = (AFixedConstExp)otherNode;
if (aNode.GetFixedLiteral().Text != aOther.GetFixedLiteral().Text)
{
canMerge = false;
}
return;
}
if (node is AStringConstExp)
{
AStringConstExp aNode = (AStringConstExp)node;
AStringConstExp aOther = (AStringConstExp)otherNode;
if (aNode.GetStringLiteral().Text != aOther.GetStringLiteral().Text)
{
canMerge = false;
}
return;
}
if (node is ACharConstExp)
{
ACharConstExp aNode = (ACharConstExp)node;
ACharConstExp aOther = (ACharConstExp)otherNode;
if (aNode.GetCharLiteral().Text != aOther.GetCharLiteral().Text)
{
canMerge = false;
}
return;
}
if (node is ASimpleInvokeExp)
{
ASimpleInvokeExp aNode = (ASimpleInvokeExp)node;
ASimpleInvokeExp aOther = (ASimpleInvokeExp)otherNode;
if (data.SimpleMethodLinks[aNode] != data.SimpleMethodLinks[aOther] &&
!(data.SimpleMethodLinks[aNode] == Util.GetAncestor <AMethodDecl>(aNode) &&
data.SimpleMethodLinks[aOther] == Util.GetAncestor <AMethodDecl>(aOther)))
{
canMerge = false;
}
return;
}
if (node is ALocalLvalue)
{
ALocalLvalue aNode = (ALocalLvalue)node;
ALocalLvalue aOther = (ALocalLvalue)otherNode;
if (locals.IndexOf(data.LocalLinks[aNode]) != otherLocals.IndexOf(data.LocalLinks[aOther]))
{
canMerge = false;
}
return;
}
if (node is AFieldLvalue)
{
AFieldLvalue aNode = (AFieldLvalue)node;
AFieldLvalue aOther = (AFieldLvalue)otherNode;
if (data.FieldLinks[aNode] != data.FieldLinks[aOther])
{
canMerge = false;
}
return;
}
if (node is AStructLvalue)
{
AStructLvalue aNode = (AStructLvalue)node;
AStructLvalue aOther = (AStructLvalue)otherNode;
if (data.StructFieldLinks[aNode] != data.StructFieldLinks[aOther])
{
canMerge = false;
}
return;
}
}
public override void OutAIntConstExp(AIntConstExp node)
{
value = int.Parse(node.GetIntegerLiteral().Text);
base.OutAIntConstExp(node);
}
public override void CaseAIntConstExp(AIntConstExp node)
{
Write(node.GetIntegerLiteral().Text);
}
public override void CaseADelegateInvokeExp(ADelegateInvokeExp node)
{
//Build a list of the possible methods
AASourceFile currentFile = Util.GetAncestor <AASourceFile>(node);
List <AMethodDecl> methods = new List <AMethodDecl>();
ANamedType type = (ANamedType)finalTrans.data.ExpTypes[node.GetReceiver()];
AMethodDecl delegateMethod = finalTrans.data.DelegateTypeLinks[type];
foreach (KeyValuePair <ADelegateExp, AMethodDecl> delegateCreationPair in finalTrans.data.DelegateCreationMethod)
{
if (TypeChecking.Assignable(delegateCreationPair.Key.GetType(), type))
{
if (!methods.Contains(delegateCreationPair.Value))
{
methods.Add(delegateCreationPair.Value);
}
}
}
MoveMethodDeclsOut mover;
if (methods.Count == 0)
{
//Can only remove it if the return value is unused
if (!(node.Parent() is AExpStm))
{
finalTrans.errors.Add(new ErrorCollection.Error(node.GetToken(),
currentFile,
"No possible methods found for delegate invoke."));
throw new ParserException(node.GetToken(), "Delegates.OutADelegateInvokeExp");
}
mover = new MoveMethodDeclsOut("delegateVar", finalTrans.data);
foreach (Node arg in node.GetArgs())
{
arg.Apply(mover);
}
node.Parent().Parent().RemoveChild(node.Parent());
foreach (PStm stm in mover.NewStatements)
{
stm.Apply(this);
}
return;
}
if (methods.Count == 1)
{
ASimpleInvokeExp invoke = new ASimpleInvokeExp(new TIdentifier("renameMe"), new ArrayList());
while (node.GetArgs().Count > 0)
{
invoke.GetArgs().Add(node.GetArgs()[0]);
}
//If we have a struct method, add the pointer from the delegate
if (finalTrans.data.StructMethods.Any(str => str.Value.Contains(methods[0])))
{
AStructDecl targetStr = finalTrans.data.StructMethods.First(str => str.Value.Contains(methods[0])).Key;
AMethodDecl getPointerDecl = GetPointerMethod(targetStr.GetDimention() != null);
ASimpleInvokeExp getPointerInvoke = new ASimpleInvokeExp(new TIdentifier("renameMe"), new ArrayList()
{
node.GetReceiver()
});
invoke.GetArgs().Add(getPointerInvoke);
finalTrans.data.SimpleMethodLinks[getPointerInvoke] = getPointerDecl;
finalTrans.data.ExpTypes[getPointerInvoke] = getPointerDecl.GetReturnType();
}
finalTrans.data.SimpleMethodLinks[invoke] = methods[0];
finalTrans.data.ExpTypes[invoke] = methods[0].GetReturnType();
node.ReplaceBy(invoke);
return;
}
//Multiple methods. Make
/*
* <Methods moved out from reciever>
* string delegate = GetMethodPart(<reciever>);
* if (delegate == "...")
* {
* Foo(...);
* }
* else if (delegate == "...")
* {
* Bar(..., GetPointerPart(<reciever>);
* }
* else if(...)
* ...
* else
* {
* UIDisplayMessage(PlayerGroupAll(), c_messageAreaDebug, StringToText("[<file>:<line>]: No methods matched delegate."));
* int i = 1/0;
* return;
* }
*
*/
AABlock block = new AABlock(new ArrayList(), new TRBrace("}"));
mover = new MoveMethodDeclsOut("delegateVar", finalTrans.data);
node.GetReceiver().Apply(mover);
AMethodDecl methodPartMethod = GetMethodMethod();
ASimpleInvokeExp methodPartInvoke = new ASimpleInvokeExp(new TIdentifier("GetMethodPart"),
new ArrayList()
{
Util.MakeClone(node.GetReceiver(),
finalTrans.data)
});
finalTrans.data.SimpleMethodLinks[methodPartInvoke] = methodPartMethod;
finalTrans.data.ExpTypes[methodPartInvoke] = methodPartMethod.GetReturnType();
AALocalDecl methodPartDecl = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null,
new ANamedType(new TIdentifier("string"), null),
new TIdentifier("methodPart"), methodPartInvoke);
block.GetStatements().Add(new ALocalDeclStm(new TSemicolon(";"), methodPartDecl));
//If the invoke's return value is used, get the lvalue
PLvalue leftSide;
if (node.Parent() is AALocalDecl)
{
leftSide = new ALocalLvalue(new TIdentifier("renameMe"));
finalTrans.data.LocalLinks[(ALocalLvalue)leftSide] = (AALocalDecl)node.Parent();
finalTrans.data.LvalueTypes[leftSide] = new ANamedType(new TIdentifier("string"), null);
PStm pStm = Util.GetAncestor <PStm>(node);
AABlock pBlock = (AABlock)pStm.Parent();
pBlock.GetStatements().Insert(pBlock.GetStatements().IndexOf(pStm) + 1, new ABlockStm(new TLBrace("{"), block));
node.Parent().RemoveChild(node);
}
else if (node.Parent() is AAssignmentExp)
{
AAssignmentExp assignExp = (AAssignmentExp)node.Parent();
leftSide = assignExp.GetLvalue();
leftSide.Apply(mover);
PStm pStm = Util.GetAncestor <PStm>(node);
pStm.ReplaceBy(new ABlockStm(new TLBrace("{"), block));
}
else if (node.Parent() is AExpStm)
{
//No assignments needed
leftSide = null;
node.Parent().ReplaceBy(new ABlockStm(new TLBrace("{"), block));
}
else
{
//Create a new local
AALocalDecl leftSideDecl = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null,
Util.MakeClone(delegateMethod.GetReturnType(),
finalTrans.data),
new TIdentifier("delegateVar"), null);
ALocalLvalue leftSideLink = new ALocalLvalue(new TIdentifier("delegateVar"));
ALvalueExp leftSideLinkExp = new ALvalueExp(leftSideLink);
PStm pStm = Util.GetAncestor <PStm>(node);
AABlock pBlock = (AABlock)pStm.Parent();
pBlock.GetStatements().Insert(pBlock.GetStatements().IndexOf(pStm), new ABlockStm(new TLBrace("{"), block));
node.ReplaceBy(leftSideLinkExp);
finalTrans.data.LocalLinks[leftSideLink] = leftSideDecl;
finalTrans.data.LvalueTypes[leftSideLink] =
finalTrans.data.ExpTypes[leftSideLinkExp] = leftSideDecl.GetType();
leftSide = leftSideLink;
block.GetStatements().Add(new ALocalDeclStm(new TSemicolon(";"), leftSideDecl));
}
ABlockStm elseBranch;
//Make final else branch
/* {
* UIDisplayMessage(PlayerGroupAll(), c_messageAreaDebug, StringToText("<file>[<line>, <pos>]: No methods matched delegate."));
* IntToString(1/0);
* return;
* }
*/
{
AABlock innerBlock = new AABlock(new ArrayList(), new TRBrace("}"));
ASimpleInvokeExp playerGroupInvoke = new ASimpleInvokeExp(new TIdentifier("PlayerGroupAll"), new ArrayList());
AFieldLvalue messageAreaLink = new AFieldLvalue(new TIdentifier("c_messageAreaDebug"));
ALvalueExp messageAreaLinkExp = new ALvalueExp(messageAreaLink);
AStringConstExp stringConst =
new AStringConstExp(
new TStringLiteral("\"" + currentFile.GetName().Text.Replace('\\', '/') + "[" +
node.GetToken().Line + ", " + node.GetToken().Pos +
"]: Got a null delegate.\""));
ASimpleInvokeExp stringToTextInvoke = new ASimpleInvokeExp(new TIdentifier("StringToText"),
new ArrayList()
{
stringConst
});
ASimpleInvokeExp displayMessageInvoke = new ASimpleInvokeExp(new TIdentifier("UIDisplayMessage"),
new ArrayList()
{
playerGroupInvoke,
messageAreaLinkExp,
stringToTextInvoke
});
AIntConstExp intConst1 = new AIntConstExp(new TIntegerLiteral("1"));
AIntConstExp intConst2 = new AIntConstExp(new TIntegerLiteral("0"));
ABinopExp binop = new ABinopExp(intConst1, new ADivideBinop(new TDiv("/")), intConst2);
ASimpleInvokeExp intToStringInvoke = new ASimpleInvokeExp(new TIdentifier("IntToString"),
new ArrayList()
{
binop
});
innerBlock.GetStatements().Add(new AExpStm(new TSemicolon(";"), displayMessageInvoke));
innerBlock.GetStatements().Add(new AExpStm(new TSemicolon(";"), intToStringInvoke));
//innerBlock.GetStatements().Add(new AVoidReturnStm(new TReturn("return")));
elseBranch = new ABlockStm(new TLBrace("{"), innerBlock);
finalTrans.data.SimpleMethodLinks[playerGroupInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == playerGroupInvoke.GetName().Text);
finalTrans.data.SimpleMethodLinks[stringToTextInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == stringToTextInvoke.GetName().Text);
finalTrans.data.SimpleMethodLinks[displayMessageInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == displayMessageInvoke.GetName().Text);
finalTrans.data.SimpleMethodLinks[intToStringInvoke] =
finalTrans.data.Libraries.Methods.First(m => m.GetName().Text == intToStringInvoke.GetName().Text);
finalTrans.data.FieldLinks[messageAreaLink] =
finalTrans.data.Libraries.Fields.First(m => m.GetName().Text == messageAreaLink.GetName().Text);
finalTrans.data.ExpTypes[playerGroupInvoke] =
finalTrans.data.SimpleMethodLinks[playerGroupInvoke].GetReturnType();
finalTrans.data.LvalueTypes[messageAreaLink] =
finalTrans.data.ExpTypes[messageAreaLinkExp] =
finalTrans.data.FieldLinks[messageAreaLink].GetType();
finalTrans.data.ExpTypes[stringToTextInvoke] =
finalTrans.data.SimpleMethodLinks[stringToTextInvoke].GetReturnType();
finalTrans.data.ExpTypes[stringConst] =
finalTrans.data.ExpTypes[intToStringInvoke] = new ANamedType(new TIdentifier("string"), null);
finalTrans.data.ExpTypes[displayMessageInvoke] = new AVoidType();
finalTrans.data.ExpTypes[intConst1] =
finalTrans.data.ExpTypes[intConst2] =
finalTrans.data.ExpTypes[binop] = new ANamedType(new TIdentifier("int"), null);
}
foreach (AMethodDecl method in methods)
{
/* * if (delegate == "...")
* {
* Foo(...);
* }
* else if (delegate == "...")
* {
* Bar(..., GetPointerPart(<reciever>);
* }
* else if(...)
* ...
*/
AABlock innerBlock = new AABlock(new ArrayList(), new TRBrace("}"));
ASimpleInvokeExp invoke = new ASimpleInvokeExp(new TIdentifier(method.GetName().Text), new ArrayList());
for (int i = 0; i < node.GetArgs().Count; i++)
{
PExp arg = (PExp)node.GetArgs()[i];
invoke.GetArgs().Add(Util.MakeClone(arg, finalTrans.data));
}
//If we have a struct method, add the pointer from the delegate
if (finalTrans.data.StructMethods.Any(str => str.Value.Contains(method)))
{
AStructDecl targetStr = finalTrans.data.StructMethods.First(str => str.Value.Contains(method)).Key;
AMethodDecl getPointerDecl = GetPointerMethod(targetStr.GetDimention() != null);
ASimpleInvokeExp getPointerInvoke = new ASimpleInvokeExp(new TIdentifier("renameMe"), new ArrayList()
{
Util.MakeClone(node.GetReceiver(), data)
});
invoke.GetArgs().Add(getPointerInvoke);
finalTrans.data.SimpleMethodLinks[getPointerInvoke] = getPointerDecl;
finalTrans.data.ExpTypes[getPointerInvoke] = getPointerDecl.GetReturnType();
}
finalTrans.data.SimpleMethodLinks[invoke] = method;
finalTrans.data.ExpTypes[invoke] = method.GetReturnType();
if (leftSide == null)
{
innerBlock.GetStatements().Add(new AExpStm(new TSemicolon(";"), invoke));
}
else
{
AAssignmentExp assignment = new AAssignmentExp(new TAssign("="), Util.MakeClone(leftSide, finalTrans.data), invoke);
finalTrans.data.ExpTypes[assignment] = finalTrans.data.ExpTypes[invoke];
innerBlock.GetStatements().Add(new AExpStm(new TSemicolon(";"), assignment));
}
ALocalLvalue methodPartLink = new ALocalLvalue(new TIdentifier("methodPart"));
ALvalueExp methodPartLinkExp = new ALvalueExp(methodPartLink);
AStringConstExp stringConst = new AStringConstExp(new TStringLiteral("\"" + GetName(method) + "\""));
finalTrans.data.LocalLinks[methodPartLink] = methodPartDecl;
finalTrans.data.LvalueTypes[methodPartLink] =
finalTrans.data.ExpTypes[methodPartLinkExp] =
finalTrans.data.ExpTypes[stringConst] = new ANamedType(new TIdentifier("string"), null);
ABinopExp binop = new ABinopExp(methodPartLinkExp, new AEqBinop(new TEq("==")), stringConst);
finalTrans.data.ExpTypes[binop] = new ANamedType(new TIdentifier("bool"), null);
AIfThenElseStm ifThenElse = new AIfThenElseStm(new TLParen("("), binop, new ABlockStm(new TLBrace("{"), innerBlock), elseBranch);
elseBranch = new ABlockStm(new TLBrace("{"), new AABlock(new ArrayList()
{
ifThenElse
}, new TRBrace("}")));
}
block.GetStatements().Add(elseBranch);
}
private List <PStm> AssignDefault(PLvalue lvalue)
{
List <PStm> returner = new List <PStm>();
PType type = data.LvalueTypes[lvalue];
PExp rightSide = null;
if (type is ANamedType)
{
ANamedType aType = (ANamedType)type;
if (aType.IsPrimitive("string"))//aType.GetName().Text == "string")
{
rightSide = new AStringConstExp(new TStringLiteral("\"\""));
data.ExpTypes[rightSide] = new ANamedType(new TIdentifier("string"), null);
}
else if (aType.IsPrimitive(GalaxyKeywords.NullablePrimitives.words)) //GalaxyKeywords.NullablePrimitives.words.Contains(aType.GetName().Text))
{
rightSide = new ANullExp();
data.ExpTypes[rightSide] = new ANamedType(new TIdentifier("null"), null);
}
else if (aType.IsPrimitive(new [] { "int", "byte", "fixed" }))
/*aType.GetName().Text == "int" ||
* aType.GetName().Text == "byte" ||
* aType.GetName().Text == "fixed")*/
{
rightSide = new AIntConstExp(new TIntegerLiteral("0"));
data.ExpTypes[rightSide] = type;
}
else if (aType.IsPrimitive("bool"))//aType.GetName().Text == "bool")
{
rightSide = new ABooleanConstExp(new AFalseBool());
data.ExpTypes[rightSide] = type;
}
else if (aType.IsPrimitive("color"))//aType.GetName().Text == "color")
{
PExp arg1 = new AIntConstExp(new TIntegerLiteral("0"));
PExp arg2 = new AIntConstExp(new TIntegerLiteral("0"));
PExp arg3 = new AIntConstExp(new TIntegerLiteral("0"));
ASimpleInvokeExp invoke = new ASimpleInvokeExp(new TIdentifier("Color"), new ArrayList()
{
arg1, arg2, arg3
});
rightSide = invoke;
data.ExpTypes[rightSide] = type;
data.ExpTypes[arg1] =
data.ExpTypes[arg2] =
data.ExpTypes[arg3] = new ANamedType(new TIdentifier("int"), null);
data.SimpleMethodLinks[invoke] =
data.Libraries.Methods.First(func => func.GetName().Text == invoke.GetName().Text);
}
else if (aType.IsPrimitive("char"))//aType.GetName().Text == "char")
{
//Dunno?!
rightSide = new ACharConstExp(new TCharLiteral("'\0'"));
data.ExpTypes[rightSide] = type;
}
else //Struct
{
AStructDecl str = data.StructTypeLinks[aType];
foreach (AALocalDecl localDecl in str.GetLocals())
{
ALvalueExp reciever = new ALvalueExp(Util.MakeClone(lvalue, data));
AStructLvalue newLvalue = new AStructLvalue(reciever, new ADotDotType(new TDot(".")), new TIdentifier(localDecl.GetName().Text));
data.StructFieldLinks[newLvalue] = localDecl;
data.ExpTypes[reciever] = type;
data.LvalueTypes[newLvalue] = localDecl.GetType();
returner.AddRange(AssignDefault(newLvalue));
}
return(returner);
}
AAssignmentExp assignment = new AAssignmentExp(new TAssign("="), Util.MakeClone(lvalue, data), rightSide);
data.ExpTypes[assignment] = type;
return(new List <PStm>()
{
new AExpStm(new TSemicolon(";"), assignment)
});
}
if (type is AArrayTempType)
{
AArrayTempType aType = (AArrayTempType)type;
for (int i = 0; i < int.Parse(aType.GetIntDim().Text); i++)
{
ALvalueExp reciever = new ALvalueExp(Util.MakeClone(lvalue, data));
AArrayLvalue newLvalue = new AArrayLvalue(new TLBracket("["), reciever, new AIntConstExp(new TIntegerLiteral(i.ToString())));
data.ExpTypes[reciever] = type;
data.LvalueTypes[newLvalue] = aType.GetType();
data.ExpTypes[newLvalue.GetIndex()] = new ANamedType(new TIdentifier("int"), null);
returner.AddRange(AssignDefault(newLvalue));
}
return(returner);
}
throw new Exception("Unexpected type. (LivenessAnalasys.AssignDefault), got " + type);
}
public static bool ReturnsTheSame(PExp left, PExp right, SharedData data)
{
if (left.GetType() != right.GetType())
{
return(false);
}
if (left is ABinopExp)
{
ABinopExp aLeft = (ABinopExp)left;
ABinopExp aRight = (ABinopExp)right;
if (aLeft.GetBinop().GetType() != aRight.GetBinop().GetType())
{
return(false);
}
return(ReturnsTheSame(aLeft.GetLeft(), aRight.GetLeft(), data) &&
ReturnsTheSame(aLeft.GetRight(), aRight.GetRight(), data));
}
if (left is AUnopExp)
{
AUnopExp aLeft = (AUnopExp)left;
AUnopExp aRight = (AUnopExp)right;
if (aLeft.GetUnop().GetType() != aRight.GetUnop().GetType())
{
return(false);
}
return(ReturnsTheSame(aLeft.GetExp(), aRight.GetExp(), data));
}
if (left is AIntConstExp)
{
AIntConstExp aLeft = (AIntConstExp)left;
AIntConstExp aRight = (AIntConstExp)right;
return(int.Parse(aLeft.GetIntegerLiteral().Text) == int.Parse(aRight.GetIntegerLiteral().Text));
}
if (left is AFixedConstExp)
{
AFixedConstExp aLeft = (AFixedConstExp)left;
AFixedConstExp aRight = (AFixedConstExp)right;
return(aLeft.GetFixedLiteral().Text == aRight.GetFixedLiteral().Text);
}
if (left is AStringConstExp)
{
AStringConstExp aLeft = (AStringConstExp)left;
AStringConstExp aRight = (AStringConstExp)right;
return(aLeft.GetStringLiteral().Text == aRight.GetStringLiteral().Text);
}
if (left is ACharConstExp)
{
ACharConstExp aLeft = (ACharConstExp)left;
ACharConstExp aRight = (ACharConstExp)right;
return(aLeft.GetCharLiteral().Text == aRight.GetCharLiteral().Text);
}
if (left is ABooleanConstExp)
{
ABooleanConstExp aLeft = (ABooleanConstExp)left;
ABooleanConstExp aRight = (ABooleanConstExp)right;
return(aLeft.GetBool().GetType() == aRight.GetBool().GetType());
}
if (left is ASimpleInvokeExp)
{
//A method might not return the same thing each time it is called
return(false);
}
if (left is ALvalueExp)
{
ALvalueExp aLeft = (ALvalueExp)left;
ALvalueExp aRight = (ALvalueExp)right;
return(ReturnsTheSame(aLeft.GetLvalue(), aRight.GetLvalue(), data));
}
if (left is AParenExp)
{
AParenExp aLeft = (AParenExp)left;
AParenExp aRight = (AParenExp)right;
return(ReturnsTheSame(aLeft.GetExp(), aRight.GetExp(), data));
}
throw new Exception("Util.ReturnsTheSame. Unexpected type, got " + left.GetType());
}
