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* Add calls to failure template so that it is actually possible to debug

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why bytecode parsing is failing.  Just put a breakpoint in the failure
  templates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2001-07-28 17:50:18 +00:00
parent 81e29632f7
commit 3d3f289eac
4 changed files with 134 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/Bytecode/Reader/ConstantReader.cpp
+37 -37
View File
@@ -19,7 +19,7 @@ bool BytecodeParser::parseTypeConstant(const uchar *&Buf, const uchar *EndBuf,
const Type *Val = 0;
unsigned PrimType;
if (read_vbr(Buf, EndBuf, PrimType)) return true;
if (read_vbr(Buf, EndBuf, PrimType)) return failure(true);
if ((Val = Type::getPrimitiveType((Type::PrimitiveID)PrimType))) {
V = new ConstPoolType(Val); // It's just a primitive ID.
@@ -29,18 +29,18 @@ bool BytecodeParser::parseTypeConstant(const uchar *&Buf, const uchar *EndBuf,
switch (PrimType) {
case Type::MethodTyID: {
unsigned Typ;
if (read_vbr(Buf, EndBuf, Typ)) return true;
if (read_vbr(Buf, EndBuf, Typ)) return failure(true);
const Type *RetType = getType(Typ);
if (RetType == 0) return true;
if (RetType == 0) return failure(true);
unsigned NumParams;
if (read_vbr(Buf, EndBuf, NumParams)) return true;
if (read_vbr(Buf, EndBuf, NumParams)) return failure(true);
MethodType::ParamTypes Params;
while (NumParams--) {
if (read_vbr(Buf, EndBuf, Typ)) return true;
if (read_vbr(Buf, EndBuf, Typ)) return failure(true);
const Type *Ty = getType(Typ);
if (Ty == 0) return true;
if (Ty == 0) return failure(true);
Params.push_back(Ty);
}
@@ -49,12 +49,12 @@ bool BytecodeParser::parseTypeConstant(const uchar *&Buf, const uchar *EndBuf,
}
case Type::ArrayTyID: {
unsigned ElTyp;
if (read_vbr(Buf, EndBuf, ElTyp)) return true;
if (read_vbr(Buf, EndBuf, ElTyp)) return failure(true);
const Type *ElementType = getType(ElTyp);
if (ElementType == 0) return true;
if (ElementType == 0) return failure(true);
int NumElements;
if (read_vbr(Buf, EndBuf, NumElements)) return true;
if (read_vbr(Buf, EndBuf, NumElements)) return failure(true);
Val = ArrayType::getArrayType(ElementType, NumElements);
break;
}
@@ -62,13 +62,13 @@ bool BytecodeParser::parseTypeConstant(const uchar *&Buf, const uchar *EndBuf,
unsigned Typ;
StructType::ElementTypes Elements;
if (read_vbr(Buf, EndBuf, Typ)) return true;
if (read_vbr(Buf, EndBuf, Typ)) return failure(true);
while (Typ) { // List is terminated by void/0 typeid
const Type *Ty = getType(Typ);
if (Ty == 0) return true;
if (Ty == 0) return failure(true);
Elements.push_back(Ty);
if (read_vbr(Buf, EndBuf, Typ)) return true;
if (read_vbr(Buf, EndBuf, Typ)) return failure(true);
}
Val = StructType::getStructType(Elements);
@@ -76,9 +76,9 @@ bool BytecodeParser::parseTypeConstant(const uchar *&Buf, const uchar *EndBuf,
}
case Type::PointerTyID: {
unsigned ElTyp;
if (read_vbr(Buf, EndBuf, ElTyp)) return true;
if (read_vbr(Buf, EndBuf, ElTyp)) return failure(true);
const Type *ElementType = getType(ElTyp);
if (ElementType == 0) return true;
if (ElementType == 0) return failure(true);
Val = PointerType::getPointerType(ElementType);
break;
}
@@ -86,7 +86,7 @@ bool BytecodeParser::parseTypeConstant(const uchar *&Buf, const uchar *EndBuf,
default:
cerr << __FILE__ << ":" << __LINE__ << ": Don't know how to deserialize"
<< " primitive Type " << PrimType << "\n";
return true;
return failure(true);
}
V = new ConstPoolType(Val);
@@ -99,8 +99,8 @@ bool BytecodeParser::parseConstPoolValue(const uchar *&Buf,
switch (Ty->getPrimitiveID()) {
case Type::BoolTyID: {
unsigned Val;
if (read_vbr(Buf, EndBuf, Val)) return true;
if (Val != 0 && Val != 1) return true;
if (read_vbr(Buf, EndBuf, Val)) return failure(true);
if (Val != 0 && Val != 1) return failure(true);
V = new ConstPoolBool(Val == 1);
break;
}
@@ -109,15 +109,15 @@ bool BytecodeParser::parseConstPoolValue(const uchar *&Buf,
case Type::UShortTyID:
case Type::UIntTyID: {
unsigned Val;
if (read_vbr(Buf, EndBuf, Val)) return true;
if (!ConstPoolUInt::isValueValidForType(Ty, Val)) return true;
if (read_vbr(Buf, EndBuf, Val)) return failure(true);
if (!ConstPoolUInt::isValueValidForType(Ty, Val)) return failure(true);
V = new ConstPoolUInt(Ty, Val);
break;
}
case Type::ULongTyID: {
uint64_t Val;
if (read_vbr(Buf, EndBuf, Val)) return true;
if (read_vbr(Buf, EndBuf, Val)) return failure(true);
V = new ConstPoolUInt(Ty, Val);
break;
}
@@ -126,35 +126,35 @@ bool BytecodeParser::parseConstPoolValue(const uchar *&Buf,
case Type::ShortTyID:
case Type::IntTyID: {
int Val;
if (read_vbr(Buf, EndBuf, Val)) return true;
if (!ConstPoolSInt::isValueValidForType(Ty, Val)) return 0;
if (read_vbr(Buf, EndBuf, Val)) return failure(true);
if (!ConstPoolSInt::isValueValidForType(Ty, Val)) return failure(true);
V = new ConstPoolSInt(Ty, Val);
break;
}
case Type::LongTyID: {
int64_t Val;
if (read_vbr(Buf, EndBuf, Val)) return true;
if (read_vbr(Buf, EndBuf, Val)) return failure(true);
V = new ConstPoolSInt(Ty, Val);
break;
}
case Type::FloatTyID: {
float F;
if (input_data(Buf, EndBuf, &F, &F+1)) return true;
if (input_data(Buf, EndBuf, &F, &F+1)) return failure(true);
V = new ConstPoolFP(Ty, F);
break;
}
case Type::DoubleTyID: {
double Val;
if (input_data(Buf, EndBuf, &Val, &Val+1)) return true;
if (input_data(Buf, EndBuf, &Val, &Val+1)) return failure(true);
V = new ConstPoolFP(Ty, Val);
break;
}
case Type::TypeTyID:
if (parseTypeConstant(Buf, EndBuf, V)) return true;
if (parseTypeConstant(Buf, EndBuf, V)) return failure(true);
break;
case Type::ArrayTyID: {
@@ -163,15 +163,14 @@ bool BytecodeParser::parseConstPoolValue(const uchar *&Buf,
if (AT->isSized()) // Sized array, # elements stored in type!
NumElements = (unsigned)AT->getNumElements();
else // Unsized array, # elements stored in stream!
if (read_vbr(Buf, EndBuf, NumElements)) return true;
if (read_vbr(Buf, EndBuf, NumElements)) return failure(true);
vector<ConstPoolVal *> Elements;
while (NumElements--) { // Read all of the elements of the constant.
unsigned Slot;
if (read_vbr(Buf, EndBuf, Slot)) return true;
if (read_vbr(Buf, EndBuf, Slot)) return failure(true);
Value *V = getValue(AT->getElementType(), Slot, false);
if (!V || !V->isConstant())
return true;
if (!V || !V->isConstant()) return failure(true);
Elements.push_back((ConstPoolVal*)V);
}
V = new ConstPoolArray(AT, Elements);
@@ -185,10 +184,10 @@ bool BytecodeParser::parseConstPoolValue(const uchar *&Buf,
vector<ConstPoolVal *> Elements;
for (unsigned i = 0; i < ET.size(); ++i) {
unsigned Slot;
if (read_vbr(Buf, EndBuf, Slot)) return true;
if (read_vbr(Buf, EndBuf, Slot)) return failure(true);
Value *V = getValue(ET[i], Slot, false);
if (!V || !V->isConstant())
return true;
return failure(true);
Elements.push_back((ConstPoolVal*)V);
}
@@ -200,7 +199,7 @@ bool BytecodeParser::parseConstPoolValue(const uchar *&Buf,
cerr << __FILE__ << ":" << __LINE__
<< ": Don't know how to deserialize constant value of type '"
<< Ty->getName() << "'\n";
return true;
return failure(true);
}
return false;
}
@@ -212,13 +211,13 @@ bool BytecodeParser::ParseConstantPool(const uchar *&Buf, const uchar *EndBuf,
unsigned NumEntries, Typ;
if (read_vbr(Buf, EndBuf, NumEntries) ||
read_vbr(Buf, EndBuf, Typ)) return true;
read_vbr(Buf, EndBuf, Typ)) return failure(true);
const Type *Ty = getType(Typ);
if (Ty == 0) return true;
if (Ty == 0) return failure(true);
for (unsigned i = 0; i < NumEntries; i++) {
ConstPoolVal *I;
if (parseConstPoolValue(Buf, EndBuf, Ty, I)) return true;
if (parseConstPoolValue(Buf, EndBuf, Ty, I)) return failure(true);
#if 0
cerr << " Read const value: <" << I->getType()->getName()
<< ">: " << I->getStrValue() << endl;
@@ -228,5 +227,6 @@ bool BytecodeParser::ParseConstantPool(const uchar *&Buf, const uchar *EndBuf,
}
}
return Buf > EndBuf;
if (Buf > EndBuf) return failure(true);
return false;
}