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/ADT/DenseMapInfo.h"
13 #include "llvm/IR/DebugInfo.h"
14 using namespace llvm;
15
16 //===----------------------------------------------------------------------===//
17 // DebugLoc Implementation
18 //===----------------------------------------------------------------------===//
DebugLoc(const DILocation * L)19 DebugLoc::DebugLoc(const DILocation *L) : Loc(const_cast<DILocation *>(L)) {}
DebugLoc(const MDNode * L)20 DebugLoc::DebugLoc(const MDNode *L) : Loc(const_cast<MDNode *>(L)) {}
21
get() const22 DILocation *DebugLoc::get() const {
23 return cast_or_null<DILocation>(Loc.get());
24 }
25
getLine() const26 unsigned DebugLoc::getLine() const {
27 assert(get() && "Expected valid DebugLoc");
28 return get()->getLine();
29 }
30
getCol() const31 unsigned DebugLoc::getCol() const {
32 assert(get() && "Expected valid DebugLoc");
33 return get()->getColumn();
34 }
35
getScope() const36 MDNode *DebugLoc::getScope() const {
37 assert(get() && "Expected valid DebugLoc");
38 return get()->getScope();
39 }
40
getInlinedAt() const41 DILocation *DebugLoc::getInlinedAt() const {
42 assert(get() && "Expected valid DebugLoc");
43 return get()->getInlinedAt();
44 }
45
getInlinedAtScope() const46 MDNode *DebugLoc::getInlinedAtScope() const {
47 return cast<DILocation>(Loc)->getInlinedAtScope();
48 }
49
getFnDebugLoc() const50 DebugLoc DebugLoc::getFnDebugLoc() const {
51 // FIXME: Add a method on \a DILocation that does this work.
52 const MDNode *Scope = getInlinedAtScope();
53 if (auto *SP = getDISubprogram(Scope))
54 return DebugLoc::get(SP->getScopeLine(), 0, SP);
55
56 return DebugLoc();
57 }
58
get(unsigned Line,unsigned Col,const MDNode * Scope,const MDNode * InlinedAt)59 DebugLoc DebugLoc::get(unsigned Line, unsigned Col, const MDNode *Scope,
60 const MDNode *InlinedAt) {
61 // If no scope is available, this is an unknown location.
62 if (!Scope)
63 return DebugLoc();
64
65 return DILocation::get(Scope->getContext(), Line, Col,
66 const_cast<MDNode *>(Scope),
67 const_cast<MDNode *>(InlinedAt));
68 }
69
dump() const70 void DebugLoc::dump() const {
71 #ifndef NDEBUG
72 if (!Loc)
73 return;
74
75 dbgs() << getLine();
76 if (getCol() != 0)
77 dbgs() << ',' << getCol();
78 if (DebugLoc InlinedAtDL = DebugLoc(getInlinedAt())) {
79 dbgs() << " @ ";
80 InlinedAtDL.dump();
81 } else
82 dbgs() << "\n";
83 #endif
84 }
85
print(raw_ostream & OS) const86 void DebugLoc::print(raw_ostream &OS) const {
87 if (!Loc)
88 return;
89
90 // Print source line info.
91 auto *Scope = cast<DIScope>(getScope());
92 OS << Scope->getFilename();
93 OS << ':' << getLine();
94 if (getCol() != 0)
95 OS << ':' << getCol();
96
97 if (DebugLoc InlinedAtDL = getInlinedAt()) {
98 OS << " @[ ";
99 InlinedAtDL.print(OS);
100 OS << " ]";
101 }
102 }
103