1 //==- PrettyStackTraceLocationContext.h - show analysis backtrace --*- C++ -*-//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_LIB_STATICANALYZER_CORE_PRETTYSTACKTRACELOCATIONCONTEXT_H
10 #define LLVM_CLANG_LIB_STATICANALYZER_CORE_PRETTYSTACKTRACELOCATIONCONTEXT_H
11 
12 #include "clang/Analysis/AnalysisDeclContext.h"
13 
14 namespace clang {
15 namespace ento {
16 
17 /// While alive, includes the current analysis stack in a crash trace.
18 ///
19 /// Example:
20 /// \code
21 /// 0.     Program arguments: ...
22 /// 1.     <eof> parser at end of file
23 /// 2.     While analyzing stack:
24 ///        #0 void inlined()
25 ///        #1 void test()
26 /// 3.     crash-trace.c:6:3: Error evaluating statement
27 /// \endcode
28 class PrettyStackTraceLocationContext : public llvm::PrettyStackTraceEntry {
29   const LocationContext *LCtx;
30 public:
31   PrettyStackTraceLocationContext(const LocationContext *LC) : LCtx(LC) {
32     assert(LCtx);
33   }
34 
35   void print(raw_ostream &Out) const override {
36     Out << "While analyzing stack: \n";
37     LCtx->dumpStack(Out);
38   }
39 };
40 
41 } // end ento namespace
42 } // end clang namespace
43 
44 #endif
45