[modules] Print input files when -module-file-info file switch is passed.
This patch improves traceability of duplicated header files which end
up in multiple pcms.
Differential Revision: https://reviews.llvm.org/D47118
llvm-svn: 337353
diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp
index 06db814..9344e67 100644
--- a/clang/lib/Frontend/FrontendActions.cpp
+++ b/clang/lib/Frontend/FrontendActions.cpp
@@ -560,6 +560,45 @@
Out << "\n";
}
+
+ /// Tells the \c ASTReaderListener that we want to receive the
+ /// input files of the AST file via \c visitInputFile.
+ bool needsInputFileVisitation() override { return true; }
+
+ /// Tells the \c ASTReaderListener that we want to receive the
+ /// input files of the AST file via \c visitInputFile.
+ bool needsSystemInputFileVisitation() override { return true; }
+
+ /// Indicates that the AST file contains particular input file.
+ ///
+ /// \returns true to continue receiving the next input file, false to stop.
+ bool visitInputFile(StringRef Filename, bool isSystem,
+ bool isOverridden, bool isExplicitModule) override {
+
+ Out.indent(2) << "Input file: " << Filename;
+
+ if (isSystem || isOverridden || isExplicitModule) {
+ Out << " [";
+ if (isSystem) {
+ Out << "System";
+ if (isOverridden || isExplicitModule)
+ Out << ", ";
+ }
+ if (isOverridden) {
+ Out << "Overridden";
+ if (isExplicitModule)
+ Out << ", ";
+ }
+ if (isExplicitModule)
+ Out << "ExplicitModule";
+
+ Out << "]";
+ }
+
+ Out << "\n";
+
+ return true;
+ }
#undef DUMP_BOOLEAN
};
}