#define LLVM_IR_DEBUGINFO_H
#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/iterator_range.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
void replaceFunctionField(unsigned Elt, Function *F);
public:
- explicit DIDescriptor(const MDNode *N = 0) : DbgNode(N) {}
+ explicit DIDescriptor(const MDNode *N = nullptr) : DbgNode(N) {}
bool Verify() const;
// FIXME: This operator bool isn't actually protecting anything at the
// moment due to the conversion operator above making DIDescriptor nodes
// implicitly convertable to bool.
- LLVM_EXPLICIT operator bool() const { return DbgNode != 0; }
+ LLVM_EXPLICIT operator bool() const { return DbgNode != nullptr; }
bool operator==(DIDescriptor Other) const { return DbgNode == Other.DbgNode; }
bool operator!=(DIDescriptor Other) const { return !operator==(Other); }
void printInternal(raw_ostream &OS) const;
public:
- explicit DISubrange(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DISubrange(const MDNode *N = nullptr) : DIDescriptor(N) {}
int64_t getLo() const { return getInt64Field(1); }
int64_t getCount() const { return getInt64Field(2); }
/// DIArray - This descriptor holds an array of descriptors.
class DIArray : public DIDescriptor {
public:
- explicit DIArray(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DIArray(const MDNode *N = nullptr) : DIDescriptor(N) {}
unsigned getNumElements() const;
DIDescriptor getElement(unsigned Idx) const {
void printInternal(raw_ostream &OS) const;
public:
- explicit DIEnumerator(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DIEnumerator(const MDNode *N = nullptr) : DIDescriptor(N) {}
StringRef getName() const { return getStringField(1); }
int64_t getEnumValue() const { return getInt64Field(2); }
typedef DIRef<DIType> DITypeRef;
/// DIScope - A base class for various scopes.
+///
+/// Although, implementation-wise, DIScope is the parent class of most
+/// other DIxxx classes, including DIType and its descendants, most of
+/// DIScope's descendants are not a substitutable subtype of
+/// DIScope. The DIDescriptor::isScope() method only is true for
+/// DIScopes that are scopes in the strict lexical scope sense
+/// (DICompileUnit, DISubprogram, etc.), but not for, e.g., a DIType.
class DIScope : public DIDescriptor {
protected:
friend class DIDescriptor;
void printInternal(raw_ostream &OS) const;
public:
- explicit DIScope(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DIScope(const MDNode *N = nullptr) : DIDescriptor(N) {}
/// Gets the parent scope for this scope node or returns a
/// default constructed scope.
friend DescTy DIDescriptor::getFieldAs(unsigned Elt) const;
friend DIScopeRef DIScope::getContext() const;
friend DIScopeRef DIScope::getRef() const;
+ friend class DIType;
/// Val can be either a MDNode or a MDString, in the latter,
/// MDString specifies the type identifier.
void printInternal(raw_ostream &OS) const;
public:
- explicit DIType(const MDNode *N = 0) : DIScope(N) {}
+ explicit DIType(const MDNode *N = nullptr) : DIScope(N) {}
+ operator DITypeRef () const {
+ assert(isType() &&
+ "constructing DITypeRef from an MDNode that is not a type");
+ return DITypeRef(&*getRef());
+ }
/// Verify - Verify that a type descriptor is well formed.
bool Verify() const;
/// replaceAllUsesWith - Replace all uses of debug info referenced by
/// this descriptor.
- void replaceAllUsesWith(DIDescriptor &D);
+ void replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D);
void replaceAllUsesWith(MDNode *D);
};
/// DIBasicType - A basic type, like 'int' or 'float'.
class DIBasicType : public DIType {
public:
- explicit DIBasicType(const MDNode *N = 0) : DIType(N) {}
+ explicit DIBasicType(const MDNode *N = nullptr) : DIType(N) {}
unsigned getEncoding() const { return getUnsignedField(9); }
void printInternal(raw_ostream &OS) const;
public:
- explicit DIDerivedType(const MDNode *N = 0) : DIType(N) {}
+ explicit DIDerivedType(const MDNode *N = nullptr) : DIType(N) {}
DITypeRef getTypeDerivedFrom() const { return getFieldAs<DITypeRef>(9); }
void printInternal(raw_ostream &OS) const;
public:
- explicit DICompositeType(const MDNode *N = 0) : DIDerivedType(N) {}
+ explicit DICompositeType(const MDNode *N = nullptr) : DIDerivedType(N) {}
DIArray getTypeArray() const { return getFieldAs<DIArray>(10); }
void setTypeArray(DIArray Elements, DIArray TParams = DIArray());
friend class DIDescriptor;
public:
- explicit DIFile(const MDNode *N = 0) : DIScope(N) {}
+ explicit DIFile(const MDNode *N = nullptr) : DIScope(N) {}
MDNode *getFileNode() const;
bool Verify() const;
};
void printInternal(raw_ostream &OS) const;
public:
- explicit DICompileUnit(const MDNode *N = 0) : DIScope(N) {}
+ explicit DICompileUnit(const MDNode *N = nullptr) : DIScope(N) {}
unsigned getLanguage() const { return getUnsignedField(2); }
StringRef getProducer() const { return getStringField(3); }
void printInternal(raw_ostream &OS) const;
public:
- explicit DISubprogram(const MDNode *N = 0) : DIScope(N) {}
+ explicit DISubprogram(const MDNode *N = nullptr) : DIScope(N) {}
DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(2); }
StringRef getName() const { return getStringField(3); }
/// DILexicalBlock - This is a wrapper for a lexical block.
class DILexicalBlock : public DIScope {
public:
- explicit DILexicalBlock(const MDNode *N = 0) : DIScope(N) {}
+ explicit DILexicalBlock(const MDNode *N = nullptr) : DIScope(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(2); }
unsigned getLineNumber() const { return getUnsignedField(3); }
unsigned getColumnNumber() const { return getUnsignedField(4); }
/// a filename change.
class DILexicalBlockFile : public DIScope {
public:
- explicit DILexicalBlockFile(const MDNode *N = 0) : DIScope(N) {}
+ explicit DILexicalBlockFile(const MDNode *N = nullptr) : DIScope(N) {}
DIScope getContext() const {
if (getScope().isSubprogram())
return getScope();
void printInternal(raw_ostream &OS) const;
public:
- explicit DINameSpace(const MDNode *N = 0) : DIScope(N) {}
+ explicit DINameSpace(const MDNode *N = nullptr) : DIScope(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(2); }
StringRef getName() const { return getStringField(3); }
unsigned getLineNumber() const { return getUnsignedField(4); }
/// DIUnspecifiedParameter - This is a wrapper for unspecified parameters.
class DIUnspecifiedParameter : public DIDescriptor {
public:
- explicit DIUnspecifiedParameter(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DIUnspecifiedParameter(const MDNode *N = nullptr)
+ : DIDescriptor(N) {}
bool Verify() const;
};
/// DITemplateTypeParameter - This is a wrapper for template type parameter.
class DITemplateTypeParameter : public DIDescriptor {
public:
- explicit DITemplateTypeParameter(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DITemplateTypeParameter(const MDNode *N = nullptr)
+ : DIDescriptor(N) {}
DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
StringRef getName() const { return getStringField(2); }
/// DITemplateValueParameter - This is a wrapper for template value parameter.
class DITemplateValueParameter : public DIDescriptor {
public:
- explicit DITemplateValueParameter(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DITemplateValueParameter(const MDNode *N = nullptr)
+ : DIDescriptor(N) {}
DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
StringRef getName() const { return getStringField(2); }
void printInternal(raw_ostream &OS) const;
public:
- explicit DIGlobalVariable(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DIGlobalVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(2); }
StringRef getName() const { return getStringField(3); }
}
unsigned getLineNumber() const { return getUnsignedField(7); }
- DIType getType() const { return getFieldAs<DIType>(8); }
+ DITypeRef getType() const { return getFieldAs<DITypeRef>(8); }
unsigned isLocalToUnit() const { return getUnsignedField(9); }
unsigned isDefinition() const { return getUnsignedField(10); }
void printInternal(raw_ostream &OS) const;
public:
- explicit DIVariable(const MDNode *N = 0) : DIDescriptor(N) {}
+ explicit DIVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
StringRef getName() const { return getStringField(2); }
unsigned L = getUnsignedField(4);
return L >> 24;
}
- DIType getType() const { return getFieldAs<DIType>(5); }
+ DITypeRef getType() const { return getFieldAs<DITypeRef>(5); }
/// isArtificial - Return true if this variable is marked as "artificial".
bool isArtificial() const {
/// isBlockByrefVariable - Return true if the variable was declared as
/// a "__block" variable (Apple Blocks).
- bool isBlockByrefVariable() const { return getType().isBlockByrefStruct(); }
+ bool isBlockByrefVariable(const DITypeIdentifierMap &Map) const {
+ return (getType().resolve(Map)).isBlockByrefStruct();
+ }
/// isInlinedFnArgument - Return true if this variable provides debugging
/// information for an inlined function arguments.
return (getUnsignedField(6) & dwarf::DW_APPLE_PROPERTY_nonatomic) != 0;
}
+ /// Objective-C doesn't have an ODR, so there is no benefit in storing
+ /// the type as a DITypeRef here.
DIType getType() const { return getFieldAs<DIType>(7); }
/// Verify - Verify that a derived type descriptor is well formed.
public:
explicit DIImportedEntity(const MDNode *N) : DIDescriptor(N) {}
DIScope getContext() const { return getFieldAs<DIScope>(1); }
- DIDescriptor getEntity() const { return getFieldAs<DIDescriptor>(2); }
+ DIScopeRef getEntity() const { return getFieldAs<DIScopeRef>(2); }
unsigned getLineNumber() const { return getUnsignedField(3); }
StringRef getName() const { return getStringField(4); }
bool Verify() const;
/// processType - Process DIType.
void processType(DIType DT);
- /// processLexicalBlock - Process DILexicalBlock.
- void processLexicalBlock(DILexicalBlock LB);
-
/// processSubprogram - Process DISubprogram.
void processSubprogram(DISubprogram SP);
bool addScope(DIScope Scope);
public:
- typedef SmallVectorImpl<MDNode *>::const_iterator iterator;
- iterator compile_unit_begin() const { return CUs.begin(); }
- iterator compile_unit_end() const { return CUs.end(); }
- iterator subprogram_begin() const { return SPs.begin(); }
- iterator subprogram_end() const { return SPs.end(); }
- iterator global_variable_begin() const { return GVs.begin(); }
- iterator global_variable_end() const { return GVs.end(); }
- iterator type_begin() const { return TYs.begin(); }
- iterator type_end() const { return TYs.end(); }
- iterator scope_begin() const { return Scopes.begin(); }
- iterator scope_end() const { return Scopes.end(); }
+ typedef SmallVectorImpl<DICompileUnit>::const_iterator compile_unit_iterator;
+ typedef SmallVectorImpl<DISubprogram>::const_iterator subprogram_iterator;
+ typedef SmallVectorImpl<DIGlobalVariable>::const_iterator global_variable_iterator;
+ typedef SmallVectorImpl<DIType>::const_iterator type_iterator;
+ typedef SmallVectorImpl<DIScope>::const_iterator scope_iterator;
+
+ iterator_range<compile_unit_iterator> compile_units() const {
+ return iterator_range<compile_unit_iterator>(CUs.begin(), CUs.end());
+ }
+
+ iterator_range<subprogram_iterator> subprograms() const {
+ return iterator_range<subprogram_iterator>(SPs.begin(), SPs.end());
+ }
+
+ iterator_range<global_variable_iterator> global_variables() const {
+ return iterator_range<global_variable_iterator>(GVs.begin(), GVs.end());
+ }
+
+ iterator_range<type_iterator> types() const {
+ return iterator_range<type_iterator>(TYs.begin(), TYs.end());
+ }
+
+ iterator_range<scope_iterator> scopes() const {
+ return iterator_range<scope_iterator>(Scopes.begin(), Scopes.end());
+ }
unsigned compile_unit_count() const { return CUs.size(); }
unsigned global_variable_count() const { return GVs.size(); }
unsigned scope_count() const { return Scopes.size(); }
private:
- SmallVector<MDNode *, 8> CUs; // Compile Units
- SmallVector<MDNode *, 8> SPs; // Subprograms
- SmallVector<MDNode *, 8> GVs; // Global Variables;
- SmallVector<MDNode *, 8> TYs; // Types
- SmallVector<MDNode *, 8> Scopes; // Scopes
+ SmallVector<DICompileUnit, 8> CUs; // Compile Units
+ SmallVector<DISubprogram, 8> SPs; // Subprograms
+ SmallVector<DIGlobalVariable, 8> GVs; // Global Variables;
+ SmallVector<DIType, 8> TYs; // Types
+ SmallVector<DIScope, 8> Scopes; // Scopes
SmallPtrSet<MDNode *, 64> NodesSeen;
DITypeIdentifierMap TypeIdentifierMap;
/// Specify if TypeIdentifierMap is initialized.
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