[clang] [lldb] [clang] Add -ast-dump-filter-path to filter AST dump by file path (PR #194266)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,c,h -- clang/test/AST/ast-dump-filter-path-include.c clang/test/AST/ast-dump-filter-path.c clang/test/AST/filter-header.h clang/include/clang/Frontend/ASTConsumers.h clang/include/clang/Frontend/FrontendOptions.h clang/lib/Frontend/ASTConsumers.cpp clang/lib/Frontend/FrontendActions.cpp clang/tools/clang-check/ClangCheck.cpp clang/tools/clang-import-test/clang-import-test.cpp lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp --diff_from_common_commit
``````````

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changing `origin/main` to the base branch/commit you want to compare against.
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Frontend/ASTConsumers.cpp b/clang/lib/Frontend/ASTConsumers.cpp
index cf01056f8..1b170d73f 100644
--- a/clang/lib/Frontend/ASTConsumers.cpp
+++ b/clang/lib/Frontend/ASTConsumers.cpp
@@ -21,8 +21,8 @@
 #include "clang/Basic/SourceManager.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/GlobPattern.h"
-#include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/Timer.h"
+#include "llvm/Support/raw_ostream.h"
 using namespace clang;
 
 //===----------------------------------------------------------------------===//
@@ -209,22 +209,23 @@ clang::CreateASTPrinter(std::unique_ptr<raw_ostream> Out,
 
 std::unique_ptr<ASTConsumer>
 clang::CreateASTDumper(std::unique_ptr<raw_ostream> Out, StringRef FilterString,
-                       StringRef FilterPath, bool DumpDecls,
-                       bool Deserialize, bool DumpLookups,
-                       bool DumpDeclTypes, ASTDumpOutputFormat Format) {
+                       StringRef FilterPath, bool DumpDecls, bool Deserialize,
+                       bool DumpLookups, bool DumpDeclTypes,
+                       ASTDumpOutputFormat Format) {
   assert((DumpDecls || Deserialize || DumpLookups) && "nothing to dump");
-  return std::make_unique<ASTPrinter>(
-      std::move(Out),
-      Deserialize ? ASTPrinter::DumpFull
-                  : DumpDecls ? ASTPrinter::Dump : ASTPrinter::None,
-      Format, FilterString, FilterPath, DumpLookups, DumpDeclTypes);
+  return std::make_unique<ASTPrinter>(std::move(Out),
+                                      Deserialize ? ASTPrinter::DumpFull
+                                      : DumpDecls ? ASTPrinter::Dump
+                                                  : ASTPrinter::None,
+                                      Format, FilterString, FilterPath,
+                                      DumpLookups, DumpDeclTypes);
 }
 
 std::unique_ptr<ASTConsumer>
 clang::CreateASTDumper(raw_ostream &Out, StringRef FilterString,
-                       StringRef FilterPath, bool DumpDecls,
-                       bool Deserialize, bool DumpLookups,
-                       bool DumpDeclTypes, ASTDumpOutputFormat Format) {
+                       StringRef FilterPath, bool DumpDecls, bool Deserialize,
+                       bool DumpLookups, bool DumpDeclTypes,
+                       ASTDumpOutputFormat Format) {
   assert((DumpDecls || Deserialize || DumpLookups) && "nothing to dump");
   return std::make_unique<ASTPrinter>(Out,
                                       Deserialize ? ASTPrinter::DumpFull

``````````

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https://github.com/llvm/llvm-project/pull/194266