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authorrdivacky <rdivacky@FreeBSD.org>2009-10-14 18:03:49 +0000
committerrdivacky <rdivacky@FreeBSD.org>2009-10-14 18:03:49 +0000
commit9092c3e0fa01f3139b016d05d267a89e3b07747a (patch)
tree137ebebcae16fb0ce7ab4af456992bbd8d22fced /include/clang/AST/APValue.h
parent4981926bf654fe5a2c3893f24ca44106b217e71e (diff)
downloadFreeBSD-src-9092c3e0fa01f3139b016d05d267a89e3b07747a.zip
FreeBSD-src-9092c3e0fa01f3139b016d05d267a89e3b07747a.tar.gz
Update clang to r84119.
Diffstat (limited to 'include/clang/AST/APValue.h')
-rw-r--r--include/clang/AST/APValue.h97
1 files changed, 49 insertions, 48 deletions
diff --git a/include/clang/AST/APValue.h b/include/clang/AST/APValue.h
index 5d5abfe..94d258d 100644
--- a/include/clang/AST/APValue.h
+++ b/include/clang/AST/APValue.h
@@ -37,16 +37,16 @@ public:
};
private:
ValueKind Kind;
-
- struct ComplexAPSInt {
- APSInt Real, Imag;
+
+ struct ComplexAPSInt {
+ APSInt Real, Imag;
ComplexAPSInt() : Real(1), Imag(1) {}
};
struct ComplexAPFloat {
APFloat Real, Imag;
ComplexAPFloat() : Real(0.0), Imag(0.0) {}
};
-
+
struct LV {
Expr* Base;
uint64_t Offset;
@@ -57,16 +57,17 @@ private:
Vec() : Elts(0), NumElts(0) {}
~Vec() { delete[] Elts; }
};
-
+
enum {
- MaxSize = (sizeof(ComplexAPSInt) > sizeof(ComplexAPFloat) ?
+ MaxSize = (sizeof(ComplexAPSInt) > sizeof(ComplexAPFloat) ?
sizeof(ComplexAPSInt) : sizeof(ComplexAPFloat))
};
-
- /// Data - space for the largest member in units of void*. This is an effort
- /// to ensure that the APSInt/APFloat values have proper alignment.
- void *Data[(MaxSize+sizeof(void*)-1)/sizeof(void*)];
-
+
+ union {
+ void *Aligner;
+ char Data[MaxSize];
+ };
+
public:
APValue() : Kind(Uninitialized) {}
explicit APValue(const APSInt &I) : Kind(Uninitialized) {
@@ -93,7 +94,7 @@ public:
~APValue() {
MakeUninit();
}
-
+
ValueKind getKind() const { return Kind; }
bool isUninit() const { return Kind == Uninitialized; }
bool isInt() const { return Kind == Int; }
@@ -102,54 +103,54 @@ public:
bool isComplexFloat() const { return Kind == ComplexFloat; }
bool isLValue() const { return Kind == LValue; }
bool isVector() const { return Kind == Vector; }
-
+
void print(llvm::raw_ostream &OS) const;
void dump() const;
-
+
APSInt &getInt() {
assert(isInt() && "Invalid accessor");
- return *(APSInt*)(void*)Data;
+ return *(APSInt*)(char*)Data;
}
const APSInt &getInt() const {
return const_cast<APValue*>(this)->getInt();
}
-
+
APFloat &getFloat() {
assert(isFloat() && "Invalid accessor");
- return *(APFloat*)(void*)Data;
+ return *(APFloat*)(char*)Data;
}
const APFloat &getFloat() const {
return const_cast<APValue*>(this)->getFloat();
}
-
+
APValue &getVectorElt(unsigned i) const {
assert(isVector() && "Invalid accessor");
- return ((Vec*)(void*)Data)->Elts[i];
+ return ((Vec*)(char*)Data)->Elts[i];
}
unsigned getVectorLength() const {
assert(isVector() && "Invalid accessor");
return ((Vec*)(void *)Data)->NumElts;
}
-
+
APSInt &getComplexIntReal() {
assert(isComplexInt() && "Invalid accessor");
- return ((ComplexAPSInt*)(void*)Data)->Real;
+ return ((ComplexAPSInt*)(char*)Data)->Real;
}
const APSInt &getComplexIntReal() const {
return const_cast<APValue*>(this)->getComplexIntReal();
}
-
+
APSInt &getComplexIntImag() {
assert(isComplexInt() && "Invalid accessor");
- return ((ComplexAPSInt*)(void*)Data)->Imag;
+ return ((ComplexAPSInt*)(char*)Data)->Imag;
}
const APSInt &getComplexIntImag() const {
return const_cast<APValue*>(this)->getComplexIntImag();
}
-
+
APFloat &getComplexFloatReal() {
assert(isComplexFloat() && "Invalid accessor");
- return ((ComplexAPFloat*)(void*)Data)->Real;
+ return ((ComplexAPFloat*)(char*)Data)->Real;
}
const APFloat &getComplexFloatReal() const {
return const_cast<APValue*>(this)->getComplexFloatReal();
@@ -157,7 +158,7 @@ public:
APFloat &getComplexFloatImag() {
assert(isComplexFloat() && "Invalid accessor");
- return ((ComplexAPFloat*)(void*)Data)->Imag;
+ return ((ComplexAPFloat*)(char*)Data)->Imag;
}
const APFloat &getComplexFloatImag() const {
return const_cast<APValue*>(this)->getComplexFloatImag();
@@ -171,44 +172,44 @@ public:
assert(isLValue() && "Invalid accessor");
return ((const LV*)(const void*)Data)->Offset;
}
-
+
void setInt(const APSInt &I) {
assert(isInt() && "Invalid accessor");
- *(APSInt*)(void*)Data = I;
+ *(APSInt*)(char*)Data = I;
}
void setFloat(const APFloat &F) {
assert(isFloat() && "Invalid accessor");
- *(APFloat*)(void*)Data = F;
+ *(APFloat*)(char*)Data = F;
}
void setVector(const APValue *E, unsigned N) {
assert(isVector() && "Invalid accessor");
- ((Vec*)(void*)Data)->Elts = new APValue[N];
- ((Vec*)(void*)Data)->NumElts = N;
+ ((Vec*)(char*)Data)->Elts = new APValue[N];
+ ((Vec*)(char*)Data)->NumElts = N;
for (unsigned i = 0; i != N; ++i)
- ((Vec*)(void*)Data)->Elts[i] = E[i];
+ ((Vec*)(char*)Data)->Elts[i] = E[i];
}
void setComplexInt(const APSInt &R, const APSInt &I) {
- assert(R.getBitWidth() == I.getBitWidth() &&
+ assert(R.getBitWidth() == I.getBitWidth() &&
"Invalid complex int (type mismatch).");
assert(isComplexInt() && "Invalid accessor");
- ((ComplexAPSInt*)(void*)Data)->Real = R;
- ((ComplexAPSInt*)(void*)Data)->Imag = I;
+ ((ComplexAPSInt*)(char*)Data)->Real = R;
+ ((ComplexAPSInt*)(char*)Data)->Imag = I;
}
void setComplexFloat(const APFloat &R, const APFloat &I) {
- assert(&R.getSemantics() == &I.getSemantics() &&
+ assert(&R.getSemantics() == &I.getSemantics() &&
"Invalid complex float (type mismatch).");
assert(isComplexFloat() && "Invalid accessor");
- ((ComplexAPFloat*)(void*)Data)->Real = R;
- ((ComplexAPFloat*)(void*)Data)->Imag = I;
+ ((ComplexAPFloat*)(char*)Data)->Real = R;
+ ((ComplexAPFloat*)(char*)Data)->Imag = I;
}
void setLValue(Expr *B, uint64_t O) {
assert(isLValue() && "Invalid accessor");
- ((LV*)(void*)Data)->Base = B;
- ((LV*)(void*)Data)->Offset = O;
+ ((LV*)(char*)Data)->Base = B;
+ ((LV*)(char*)Data)->Offset = O;
}
-
+
const APValue &operator=(const APValue &RHS);
-
+
private:
void MakeUninit();
void MakeInt() {
@@ -218,27 +219,27 @@ private:
}
void MakeFloat() {
assert(isUninit() && "Bad state change");
- new ((APFloat*)(void*)Data) APFloat(0.0);
+ new ((void*)(char*)Data) APFloat(0.0);
Kind = Float;
}
void MakeVector() {
assert(isUninit() && "Bad state change");
- new ((Vec*)(void*)Data) Vec();
+ new ((void*)(char*)Data) Vec();
Kind = Vector;
}
void MakeComplexInt() {
assert(isUninit() && "Bad state change");
- new ((ComplexAPSInt*)(void*)Data) ComplexAPSInt();
+ new ((void*)(char*)Data) ComplexAPSInt();
Kind = ComplexInt;
}
void MakeComplexFloat() {
assert(isUninit() && "Bad state change");
- new ((ComplexAPFloat*)(void*)Data) ComplexAPFloat();
+ new ((void*)(char*)Data) ComplexAPFloat();
Kind = ComplexFloat;
}
void MakeLValue() {
assert(isUninit() && "Bad state change");
- new ((LV*)(void*)Data) LV();
+ new ((void*)(char*)Data) LV();
Kind = LValue;
}
};
@@ -247,7 +248,7 @@ inline llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const APValue &V) {
V.print(OS);
return OS;
}
-
+
} // end namespace clang.
#endif
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