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author | Eric Christopher <echristo@gmail.com> | 2013-07-26 17:02:36 +0000 |
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committer | Eric Christopher <echristo@gmail.com> | 2013-07-26 17:02:36 +0000 |
commit | 956e5aa3bd32212c6902a585a367dbf58d685340 (patch) | |
tree | bf293f294cbfb3f7c7501ce3bfdf98fc27a33aa3 | |
parent | 65985348c5ece4efecce485029b147c45453c4c8 (diff) | |
download | llvm-956e5aa3bd32212c6902a585a367dbf58d685340.tar.gz llvm-956e5aa3bd32212c6902a585a367dbf58d685340.tar.bz2 llvm-956e5aa3bd32212c6902a585a367dbf58d685340.tar.xz |
Add a way to get the context of any particular scope.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187212 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/DebugInfo.h | 3 | ||||
-rw-r--r-- | lib/IR/DebugInfo.cpp | 25 |
2 files changed, 28 insertions, 0 deletions
diff --git a/include/llvm/DebugInfo.h b/include/llvm/DebugInfo.h index ae7bf04944..9fb12f8feb 100644 --- a/include/llvm/DebugInfo.h +++ b/include/llvm/DebugInfo.h @@ -187,6 +187,9 @@ namespace llvm { public: explicit DIScope(const MDNode *N = 0) : DIDescriptor (N) {} + /// Gets the parent scope for this scope node or returns a + /// default constructed scope. + DIScope getContext() const; StringRef getFilename() const; StringRef getDirectory() const; }; diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp index 750231658f..369895ce56 100644 --- a/lib/IR/DebugInfo.cpp +++ b/lib/IR/DebugInfo.cpp @@ -692,6 +692,31 @@ Value *DITemplateValueParameter::getValue() const { return getField(DbgNode, 4); } +// If the current node has a parent scope then return that, +// else return an empty scope. +DIScope DIScope::getContext() const { + + if (isType()) + return DIType(DbgNode).getContext(); + + if (isSubprogram()) + return DISubprogram(DbgNode).getContext(); + + if (isLexicalBlock()) + return DILexicalBlock(DbgNode).getContext(); + + if (isLexicalBlockFile()) + return DILexicalBlockFile(DbgNode).getContext(); + + if (isNameSpace()) + return DINameSpace(DbgNode).getContext(); + + if (isFile() || isCompileUnit()) + return DIScope(); + + return DIScope(); +} + StringRef DIScope::getFilename() const { if (!DbgNode) return StringRef(); |