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Diffstat (limited to 'contrib/llvm/lib/IR/DebugLoc.cpp')
-rw-r--r-- | contrib/llvm/lib/IR/DebugLoc.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/contrib/llvm/lib/IR/DebugLoc.cpp b/contrib/llvm/lib/IR/DebugLoc.cpp new file mode 100644 index 0000000..72d5c0e --- /dev/null +++ b/contrib/llvm/lib/IR/DebugLoc.cpp @@ -0,0 +1,102 @@ +//===-- 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)); +} + +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 << " ]"; + } +} |