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//===- DebugLoc.h - Debug Location Information ------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines a number of light weight data structures used
// to describe and track debug location information.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_DEBUGLOC_H
#define LLVM_IR_DEBUGLOC_H
#include "llvm/IR/TrackingMDRef.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class LLVMContext;
class raw_ostream;
class MDNode;
/// DebugLoc - Debug location id. This is carried by Instruction, SDNode,
/// and MachineInstr to compactly encode file/line/scope information for an
/// operation.
class DebugLoc {
TrackingMDNodeRef Loc;
public:
DebugLoc() {}
DebugLoc(DebugLoc &&X) : Loc(std::move(X.Loc)) {}
DebugLoc(const DebugLoc &X) : Loc(X.Loc) {}
DebugLoc &operator=(DebugLoc &&X) {
Loc = std::move(X.Loc);
return *this;
}
DebugLoc &operator=(const DebugLoc &X) {
Loc = X.Loc;
return *this;
}
/// \brief Check whether this has a trivial destructor.
bool hasTrivialDestructor() const { return Loc.hasTrivialDestructor(); }
/// get - Get a new DebugLoc that corresponds to the specified line/col
/// scope/inline location.
static DebugLoc get(unsigned Line, unsigned Col, MDNode *Scope,
MDNode *InlinedAt = nullptr);
/// getFromDILocation - Translate the DILocation quad into a DebugLoc.
static DebugLoc getFromDILocation(MDNode *N);
/// getFromDILexicalBlock - Translate the DILexicalBlock into a DebugLoc.
static DebugLoc getFromDILexicalBlock(MDNode *N);
/// isUnknown - Return true if this is an unknown location.
bool isUnknown() const { return !Loc; }
unsigned getLine() const;
unsigned getCol() const;
/// getScope - This returns the scope pointer for this DebugLoc, or null if
/// invalid.
MDNode *getScope() const;
MDNode *getScope(const LLVMContext &) const { return getScope(); }
/// getInlinedAt - This returns the InlinedAt pointer for this DebugLoc, or
/// null if invalid or not present.
MDNode *getInlinedAt() const;
MDNode *getInlinedAt(const LLVMContext &) const { return getInlinedAt(); }
/// getScopeAndInlinedAt - Return both the Scope and the InlinedAt values.
void getScopeAndInlinedAt(MDNode *&Scope, MDNode *&IA) const;
void getScopeAndInlinedAt(MDNode *&Scope, MDNode *&IA,
const LLVMContext &) const {
return getScopeAndInlinedAt(Scope, IA);
}
/// getScopeNode - Get MDNode for DebugLoc's scope, or null if invalid.
MDNode *getScopeNode() const;
MDNode *getScopeNode(const LLVMContext &) const { return getScopeNode(); }
// getFnDebugLoc - Walk up the scope chain of given debug loc and find line
// number info for the function.
DebugLoc getFnDebugLoc() const;
DebugLoc getFnDebugLoc(const LLVMContext &) const {
return getFnDebugLoc();
}
/// getAsMDNode - This method converts the compressed DebugLoc node into a
/// DILocation compatible MDNode.
MDNode *getAsMDNode() const;
MDNode *getAsMDNode(LLVMContext &) const { return getAsMDNode(); }
bool operator==(const DebugLoc &DL) const { return Loc == DL.Loc; }
bool operator!=(const DebugLoc &DL) const { return !(*this == DL); }
void dump() const;
void dump(const LLVMContext &) const { dump(); }
/// \brief prints source location /path/to/file.exe:line:col @[inlined at]
void print(raw_ostream &OS) const;
};
} // end namespace llvm
#endif /* LLVM_SUPPORT_DEBUGLOC_H */
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