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Print source from memory buffer instead of AST dump if the code is available. Print file name / line number.

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git-svn-id: http://root.cern.ch/svn/root/trunk@47797 27541ba8-7e3a-0410-8455-c3a389f83636
This commit is contained in:
Axel Naumann 2012-12-03 21:20:53 +00:00
parent 86243e4b95
commit 36f406676f
1 changed files with 38 additions and 9 deletions
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47
lib/Interpreter/ValuePrinter.cpp
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@ -104,22 +104,51 @@ static void StreamArr(llvm::raw_ostream& o, const void* p,
}
static void StreamFunction(llvm::raw_ostream& o, const void* addr,
ValuePrinterInfo VPI,
const char* Sep = "\n") {
o << "Function @" << addr <<":\n";
ValuePrinterInfo VPI, const char* Sep = "\n") {
o << "Function @" << addr << '\n';
const clang::DeclRefExpr* DeclRefExp
= llvm::dyn_cast_or_null<clang::DeclRefExpr>(VPI.getExpr());
const clang::FunctionDecl* FD
= llvm::dyn_cast_or_null<clang::FunctionDecl>(DeclRefExp->getDecl());
if (FD) {
const clang::FunctionDecl* FDef;
if (FD->hasBody(FDef))
FD = FDef;
FD->print(o);
//const clang::FunctionDecl* FD
// = llvm::cast<const clang::FunctionType>(Ty)->getDecl();
clang::SourceRange SRange = FD->getSourceRange();
const char* cBegin = 0;
const char* cEnd = 0;
bool Invalid;
if (SRange.isValid()) {
clang::SourceManager& SM = VPI.getASTContext()->getSourceManager();
clang::SourceLocation LocBegin = SRange.getBegin();
LocBegin = SM.getExpansionRange(LocBegin).first;
o << " at " << SM.getFilename(LocBegin);
unsigned LineNo = SM.getSpellingLineNumber(LocBegin, &Invalid);
if (!Invalid)
o << ':' << LineNo;
o << ":\n";
bool Invalid = false;
cBegin = SM.getCharacterData(LocBegin, &Invalid);
if (!Invalid) {
clang::SourceLocation LocEnd = SRange.getEnd();
LocEnd = SM.getExpansionRange(LocEnd).second;
cEnd = SM.getCharacterData(LocEnd, &Invalid);
if (Invalid)
cBegin = 0;
} else {
cBegin = 0;
}
}
if (cBegin && cEnd && cEnd > cBegin && cEnd - cBegin < 16 * 1024) {
o << llvm::StringRef(cBegin, cEnd - cBegin + 1);
} else {
const clang::FunctionDecl* FDef;
if (FD->hasBody(FDef))
FD = FDef;
FD->print(o);
//const clang::FunctionDecl* FD
// = llvm::cast<const clang::FunctionType>(Ty)->getDecl();
}
} else {
o << ":\n";
// type-based printing:
VPI.getType().print(o, VPI.getASTContext()->getPrintingPolicy());
}