[PDB] Add exclusive methods to derived symbol class
Summary: This commit adds two methods to the PDBSymboFunc class used in parsing symbols. getLineNumbers() is used to determine a Function symbol's declaration and getCompilandId() is used to initialize the SymbolContext field sc.comp_unit.
Reviewers: zturner, rnk, llvm-commits
Reviewed By: zturner
Differential Revision: https://reviews.llvm.org/D44457
llvm-svn: 327909
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
index c8c44d9..37ca1ab 100644
--- a/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbolFunc.cpp
@@ -105,3 +105,18 @@
return true;
return false;
}
+
+std::unique_ptr<IPDBEnumLineNumbers> PDBSymbolFunc::getLineNumbers() const {
+ auto Len = RawSymbol->getLength();
+ return Session.findLineNumbersByAddress(RawSymbol->getVirtualAddress(),
+ Len ? Len : 1);
+}
+
+uint32_t PDBSymbolFunc::getCompilandId() const {
+ if (auto Lines = getLineNumbers()) {
+ if (auto FirstLine = Lines->getNext()) {
+ return FirstLine->getCompilandId();
+ }
+ }
+ return 0;
+}