[clang-tools-extra] r367729 - [clang-doc] Add flag to continue after mapping errors

[Diego Astiazaran via cfe-commits]

Author: diegoastiazaran
Date: Fri Aug  2 15:02:36 2019
New Revision: 367729

URL: http://llvm.org/viewvc/llvm-project?rev=367729&view=rev
Log:
[clang-doc] Add flag to continue after mapping errors

The tool used to stop execution if there was an error in the mapping
phase. It will now show the error but continue with the files that were
mapped correctly if the flag is true.

Differential revision: https://reviews.llvm.org/D65627

Modified:
    clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp

Modified: clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp?rev=367729&r1=367728&r2=367729&view=diff
==============================================================================
--- clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp (original)
+++ clang-tools-extra/trunk/clang-doc/tool/ClangDocMain.cpp Fri Aug  2 15:02:36 2019
@@ -48,6 +48,11 @@ using namespace clang;
 static llvm::cl::extrahelp CommonHelp(CommonOptionsParser::HelpMessage);
 static llvm::cl::OptionCategory ClangDocCategory("clang-doc options");
 
+static llvm::cl::opt<bool> IgnoreMappingFailures(
+    "ignore-map-errors",
+    llvm::cl::desc("Continue if files are not mapped correctly."),
+    llvm::cl::init(true), llvm::cl::cat(ClangDocCategory));
+
 static llvm::cl::opt<std::string>
     OutDirectory("output",
                  llvm::cl::desc("Directory for outputting generated files."),
@@ -229,8 +234,14 @@ int main(int argc, const char **argv) {
   auto Err =
       Exec->get()->execute(doc::newMapperActionFactory(CDCtx), ArgAdjuster);
   if (Err) {
-    llvm::errs() << toString(std::move(Err)) << "\n";
-    return 1;
+    if (IgnoreMappingFailures)
+      llvm::errs() << "Error mapping decls in files. Clang-doc will ignore "
+                      "these files and continue:\n"
+                   << toString(std::move(Err)) << "\n";
+    else {
+      llvm::errs() << toString(std::move(Err)) << "\n";
+      return 1;
+    }
   }
 
   // Collect values into output by key.