Peter Collingbourne 8b1265b353 Introduce clang-query tool.
This tool is for interactive exploration of the Clang AST using AST matchers.
It currently allows the user to enter a matcher at an interactive prompt
and view the resulting bindings as diagnostics, AST pretty prints or AST
dumps. Example session:

$ cat foo.c
void foo(void) {}
$ clang-query foo.c --
clang-query> match functionDecl()

Match #1:

foo.c:1:1: note: "root" binds here
void foo(void) {}
^~~~~~~~~~~~~~~~~
1 match.

Differential Revision: http://llvm-reviews.chandlerc.com/D2098

llvm-svn: 194227
2013-11-08 00:08:23 +00:00

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//===--- QuerySession.h - clang-query ---------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_SESSION_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_SESSION_H
#include "llvm/ADT/ArrayRef.h"
#include "Query.h"
namespace clang {
class ASTUnit;
namespace query {
/// Represents the state for a particular clang-query session.
class QuerySession {
public:
QuerySession(llvm::ArrayRef<ASTUnit *> ASTs)
: ASTs(ASTs), OutKind(OK_Diag), BindRoot(true) {}
llvm::ArrayRef<ASTUnit *> ASTs;
OutputKind OutKind;
bool BindRoot;
};
} // namespace query
} // namespace clang
#endif