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//===-- 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
//===----------------------------------------------------------------------===//
unsigned DebugLoc::getLine() const { return DILocation(Loc).getLineNumber(); }
unsigned DebugLoc::getCol() const { return DILocation(Loc).getColumnNumber(); }
MDNode *DebugLoc::getScope() const { return DILocation(Loc).getScope(); }
MDNode *DebugLoc::getInlinedAt() const {
return DILocation(Loc).getOrigLocation();
}
/// Return both the Scope and the InlinedAt values.
void DebugLoc::getScopeAndInlinedAt(MDNode *&Scope, MDNode *&IA) const {
Scope = getScope();
IA = getInlinedAt();
}
MDNode *DebugLoc::getScopeNode() const {
if (MDNode *InlinedAt = getInlinedAt())
return DebugLoc::getFromDILocation(InlinedAt).getScopeNode();
return getScope();
}
DebugLoc DebugLoc::getFnDebugLoc() const {
const MDNode *Scope = getScopeNode();
DISubprogram SP = getDISubprogram(Scope);
if (SP.isSubprogram())
return DebugLoc::get(SP.getScopeLineNumber(), 0, SP);
return DebugLoc();
}
DebugLoc DebugLoc::get(unsigned Line, unsigned Col,
MDNode *Scope, MDNode *InlinedAt) {
// If no scope is available, this is an unknown location.
if (!Scope)
return DebugLoc();
return getFromDILocation(
MDLocation::get(Scope->getContext(), Line, Col, Scope, InlinedAt));
}
/// getAsMDNode - This method converts the compressed DebugLoc node into a
/// DILocation-compatible MDNode.
MDNode *DebugLoc::getAsMDNode() const { return Loc; }
/// getFromDILocation - Translate the DILocation quad into a DebugLoc.
DebugLoc DebugLoc::getFromDILocation(MDNode *N) {
DebugLoc Loc;
Loc.Loc.reset(N);
return Loc;
}
/// getFromDILexicalBlock - Translate the DILexicalBlock into a DebugLoc.
DebugLoc DebugLoc::getFromDILexicalBlock(MDNode *N) {
DILexicalBlock LexBlock(N);
MDNode *Scope = LexBlock.getContext();
if (!Scope) return DebugLoc();
return get(LexBlock.getLineNumber(), LexBlock.getColumnNumber(), Scope,
nullptr);
}
void DebugLoc::dump() const {
#ifndef NDEBUG
if (!isUnknown()) {
dbgs() << getLine();
if (getCol() != 0)
dbgs() << ',' << getCol();
DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(getInlinedAt());
if (!InlinedAtDL.isUnknown()) {
dbgs() << " @ ";
InlinedAtDL.dump();
} else
dbgs() << "\n";
}
#endif
}
void DebugLoc::print(raw_ostream &OS) const {
if (!isUnknown()) {
// Print source line info.
DIScope Scope(getScope());
assert((!Scope || Scope.isScope()) &&
"Scope of a DebugLoc should be null or a DIScope.");
if (Scope)
OS << Scope.getFilename();
else
OS << "<unknown>";
OS << ':' << getLine();
if (getCol() != 0)
OS << ':' << getCol();
DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(getInlinedAt());
if (!InlinedAtDL.isUnknown()) {
OS << " @[ ";
InlinedAtDL.print(OS);
OS << " ]";
}
}
}
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