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1 //===--- DiagnosticOptions.h ------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_CLANG_FRONTEND_DIAGNOSTICOPTIONS_H
11 #define LLVM_CLANG_FRONTEND_DIAGNOSTICOPTIONS_H
12 
13 #include "clang/Basic/Diagnostic.h"
14 
15 #include <string>
16 #include <vector>
17 
18 namespace clang {
19 
20 /// DiagnosticOptions - Options for controlling the compiler diagnostics
21 /// engine.
22 class DiagnosticOptions {
23 public:
24   unsigned IgnoreWarnings : 1;   /// -w
25   unsigned NoRewriteMacros : 1;  /// -Wno-rewrite-macros
26   unsigned Pedantic : 1;         /// -pedantic
27   unsigned PedanticErrors : 1;   /// -pedantic-errors
28   unsigned ShowColumn : 1;       /// Show column number on diagnostics.
29   unsigned ShowLocation : 1;     /// Show source location information.
30   unsigned ShowCarets : 1;       /// Show carets in diagnostics.
31   unsigned ShowFixits : 1;       /// Show fixit information.
32   unsigned ShowSourceRanges : 1; /// Show source ranges in numeric form.
33   unsigned ShowParseableFixits : 1; /// Show machine parseable fix-its.
34   unsigned ShowOptionNames : 1;  /// Show the option name for mappable
35                                  /// diagnostics.
36   unsigned ShowNoteIncludeStack : 1; /// Show include stacks for notes.
37   unsigned ShowCategories : 2;   /// Show categories: 0 -> none, 1 -> Number,
38                                  /// 2 -> Full Name.
39 
40   unsigned Format : 2;           /// Format for diagnostics:
41   enum TextDiagnosticFormat { Clang, Msvc, Vi };
42 
43   unsigned ShowColors : 1;       /// Show diagnostics with ANSI color sequences.
44   unsigned ShowOverloads : 1;    /// Overload candidates to show.  Values from
45                                  /// DiagnosticsEngine::OverloadsShown
46   unsigned VerifyDiagnostics: 1; /// Check that diagnostics match the expected
47                                  /// diagnostics, indicated by markers in the
48                                  /// input source file.
49 
50   unsigned ElideType: 1;         /// Elide identical types in template diffing
51   unsigned ShowTemplateTree: 1;  /// Print a template tree when diffing
52 
53   unsigned ErrorLimit;           /// Limit # errors emitted.
54   unsigned MacroBacktraceLimit;  /// Limit depth of macro expansion backtrace.
55   unsigned TemplateBacktraceLimit; /// Limit depth of instantiation backtrace.
56   unsigned ConstexprBacktraceLimit; /// Limit depth of constexpr backtrace.
57 
58   /// The distance between tab stops.
59   unsigned TabStop;
60   enum { DefaultTabStop = 8, MaxTabStop = 100,
61          DefaultMacroBacktraceLimit = 6,
62          DefaultTemplateBacktraceLimit = 10,
63          DefaultConstexprBacktraceLimit = 10 };
64 
65   /// Column limit for formatting message diagnostics, or 0 if unused.
66   unsigned MessageLength;
67 
68   /// If non-empty, a file to log extended build information to, for development
69   /// testing and analysis.
70   std::string DumpBuildInformation;
71 
72   /// The file to log diagnostic output to.
73   std::string DiagnosticLogFile;
74 
75   /// The file to serialize diagnostics to (non-appending).
76   std::string DiagnosticSerializationFile;
77 
78   /// The list of -W... options used to alter the diagnostic mappings, with the
79   /// prefixes removed.
80   std::vector<std::string> Warnings;
81 
82 public:
DiagnosticOptions()83   DiagnosticOptions() {
84     IgnoreWarnings = 0;
85     TabStop = DefaultTabStop;
86     MessageLength = 0;
87     NoRewriteMacros = 0;
88     Pedantic = 0;
89     PedanticErrors = 0;
90     ShowCarets = 1;
91     ShowColors = 0;
92     ShowOverloads = DiagnosticsEngine::Ovl_All;
93     ShowColumn = 1;
94     ShowFixits = 1;
95     ShowLocation = 1;
96     ShowOptionNames = 0;
97     ShowCategories = 0;
98     Format = Clang;
99     ShowSourceRanges = 0;
100     ShowParseableFixits = 0;
101     VerifyDiagnostics = 0;
102     ErrorLimit = 0;
103     TemplateBacktraceLimit = DefaultTemplateBacktraceLimit;
104     MacroBacktraceLimit = DefaultMacroBacktraceLimit;
105     ConstexprBacktraceLimit = DefaultConstexprBacktraceLimit;
106   }
107 };
108 
109 }  // end namespace clang
110 
111 #endif
112