1//===-- DebugLoc.cpp - Implement DebugLoc class ---------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "llvm/IR/DebugLoc.h"
11#include "LLVMContextImpl.h"
12#include "llvm/IR/DebugInfo.h"
13using namespace llvm;
14
15//===----------------------------------------------------------------------===//
16// DebugLoc Implementation
17//===----------------------------------------------------------------------===//
18DebugLoc::DebugLoc(const DILocation *L) : Loc(const_cast<DILocation *>(L)) {}
19DebugLoc::DebugLoc(const MDNode *L) : Loc(const_cast<MDNode *>(L)) {}
20
21DILocation *DebugLoc::get() const {
22  return cast_or_null<DILocation>(Loc.get());
23}
24
25unsigned DebugLoc::getLine() const {
26  assert(get() && "Expected valid DebugLoc");
27  return get()->getLine();
28}
29
30unsigned DebugLoc::getCol() const {
31  assert(get() && "Expected valid DebugLoc");
32  return get()->getColumn();
33}
34
35MDNode *DebugLoc::getScope() const {
36  assert(get() && "Expected valid DebugLoc");
37  return get()->getScope();
38}
39
40DILocation *DebugLoc::getInlinedAt() const {
41  assert(get() && "Expected valid DebugLoc");
42  return get()->getInlinedAt();
43}
44
45MDNode *DebugLoc::getInlinedAtScope() const {
46  return cast<DILocation>(Loc)->getInlinedAtScope();
47}
48
49DebugLoc DebugLoc::getFnDebugLoc() const {
50  // FIXME: Add a method on \a DILocation that does this work.
51  const MDNode *Scope = getInlinedAtScope();
52  if (auto *SP = getDISubprogram(Scope))
53    return DebugLoc::get(SP->getScopeLine(), 0, SP);
54
55  return DebugLoc();
56}
57
58DebugLoc DebugLoc::get(unsigned Line, unsigned Col, const MDNode *Scope,
59                       const MDNode *InlinedAt) {
60  // If no scope is available, this is an unknown location.
61  if (!Scope)
62    return DebugLoc();
63
64  return DILocation::get(Scope->getContext(), Line, Col,
65                         const_cast<MDNode *>(Scope),
66                         const_cast<MDNode *>(InlinedAt));
67}
68
69LLVM_DUMP_METHOD void DebugLoc::dump() const {
70#ifndef NDEBUG
71  if (!Loc)
72    return;
73
74  dbgs() << getLine();
75  if (getCol() != 0)
76    dbgs() << ',' << getCol();
77  if (DebugLoc InlinedAtDL = DebugLoc(getInlinedAt())) {
78    dbgs() << " @ ";
79    InlinedAtDL.dump();
80  } else
81    dbgs() << "\n";
82#endif
83}
84
85void DebugLoc::print(raw_ostream &OS) const {
86  if (!Loc)
87    return;
88
89  // Print source line info.
90  auto *Scope = cast<DIScope>(getScope());
91  OS << Scope->getFilename();
92  OS << ':' << getLine();
93  if (getCol() != 0)
94    OS << ':' << getCol();
95
96  if (DebugLoc InlinedAtDL = getInlinedAt()) {
97    OS << " @[ ";
98    InlinedAtDL.print(OS);
99    OS << " ]";
100  }
101}
102