llvm-project/llvm/lib/IR/DebugLoc.cpp

103 lines
2.7 KiB
C++

//===-- DebugLoc.cpp - Implement DebugLoc class ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/DebugLoc.h"
#include "LLVMContextImpl.h"
#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/IR/DebugInfo.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
// DebugLoc Implementation
//===----------------------------------------------------------------------===//
DebugLoc::DebugLoc(const DILocation *L) : Loc(const_cast<DILocation *>(L)) {}
DebugLoc::DebugLoc(const MDNode *L) : Loc(const_cast<MDNode *>(L)) {}
DILocation *DebugLoc::get() const {
return cast_or_null<DILocation>(Loc.get());
}
unsigned DebugLoc::getLine() const {
assert(get() && "Expected valid DebugLoc");
return get()->getLine();
}
unsigned DebugLoc::getCol() const {
assert(get() && "Expected valid DebugLoc");
return get()->getColumn();
}
MDNode *DebugLoc::getScope() const {
assert(get() && "Expected valid DebugLoc");
return get()->getScope();
}
DILocation *DebugLoc::getInlinedAt() const {
assert(get() && "Expected valid DebugLoc");
return get()->getInlinedAt();
}
MDNode *DebugLoc::getInlinedAtScope() const {
return cast<DILocation>(Loc)->getInlinedAtScope();
}
DebugLoc DebugLoc::getFnDebugLoc() const {
// FIXME: Add a method on \a DILocation that does this work.
const MDNode *Scope = getInlinedAtScope();
if (auto *SP = getDISubprogram(Scope))
return DebugLoc::get(SP->getScopeLine(), 0, SP);
return DebugLoc();
}
DebugLoc DebugLoc::get(unsigned Line, unsigned Col, const MDNode *Scope,
const MDNode *InlinedAt) {
// If no scope is available, this is an unknown location.
if (!Scope)
return DebugLoc();
return DILocation::get(Scope->getContext(), Line, Col,
const_cast<MDNode *>(Scope),
const_cast<MDNode *>(InlinedAt));
}
LLVM_DUMP_METHOD void DebugLoc::dump() const {
#ifndef NDEBUG
if (!Loc)
return;
dbgs() << getLine();
if (getCol() != 0)
dbgs() << ',' << getCol();
if (DebugLoc InlinedAtDL = DebugLoc(getInlinedAt())) {
dbgs() << " @ ";
InlinedAtDL.dump();
} else
dbgs() << "\n";
#endif
}
void DebugLoc::print(raw_ostream &OS) const {
if (!Loc)
return;
// Print source line info.
auto *Scope = cast<DIScope>(getScope());
OS << Scope->getFilename();
OS << ':' << getLine();
if (getCol() != 0)
OS << ':' << getCol();
if (DebugLoc InlinedAtDL = getInlinedAt()) {
OS << " @[ ";
InlinedAtDL.print(OS);
OS << " ]";
}
}