Make DiagnosticOptions intrusively reference-counted, and make sure

the various stakeholders bump up the reference count. In particular,
the diagnostics engine now keeps the DiagnosticOptions object alive.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166508 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 112 insertions, 0 deletions

diff --git a/include/clang/Basic/DiagnosticOptions.h b/include/clang/Basic/DiagnosticOptions.h
new file mode 100644
index 0000000000..77a8476c49
--- /dev/null
+++ b/include/clang/Basic/DiagnosticOptions.h
@@ -0,0 +1,112 @@
+//===--- DiagnosticOptions.h ------------------------------------*- 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_BASIC_DIAGNOSTICOPTIONS_H
+#define LLVM_CLANG_BASIC_DIAGNOSTICOPTIONS_H
+
+#include "clang/Basic/Diagnostic.h"
+#include "llvm/ADT/IntrusiveRefCntPtr.h"
+
+#include <string>
+#include <vector>
+
+namespace clang {
+
+/// DiagnosticOptions - Options for controlling the compiler diagnostics
+/// engine.
+class DiagnosticOptions : public llvm::RefCountedBase<DiagnosticOptions>{
+public:
+  unsigned IgnoreWarnings : 1;   /// -w
+  unsigned NoRewriteMacros : 1;  /// -Wno-rewrite-macros
+  unsigned Pedantic : 1;         /// -pedantic
+  unsigned PedanticErrors : 1;   /// -pedantic-errors
+  unsigned ShowColumn : 1;       /// Show column number on diagnostics.
+  unsigned ShowLocation : 1;     /// Show source location information.
+  unsigned ShowCarets : 1;       /// Show carets in diagnostics.
+  unsigned ShowFixits : 1;       /// Show fixit information.
+  unsigned ShowSourceRanges : 1; /// Show source ranges in numeric form.
+  unsigned ShowParseableFixits : 1; /// Show machine parseable fix-its.
+  unsigned ShowOptionNames : 1;  /// Show the option name for mappable
+                                 /// diagnostics.
+  unsigned ShowNoteIncludeStack : 1; /// Show include stacks for notes.
+  unsigned ShowCategories : 2;   /// Show categories: 0 -> none, 1 -> Number,
+                                 /// 2 -> Full Name.
+                                 
+  unsigned Format : 2;           /// Format for diagnostics: 
+  enum TextDiagnosticFormat { Clang, Msvc, Vi };
+  
+  unsigned ShowColors : 1;       /// Show diagnostics with ANSI color sequences.
+  unsigned ShowOverloads : 1;    /// Overload candidates to show.  Values from
+                                 /// DiagnosticsEngine::OverloadsShown
+  unsigned VerifyDiagnostics: 1; /// Check that diagnostics match the expected
+                                 /// diagnostics, indicated by markers in the
+                                 /// input source file.
+
+  unsigned ElideType: 1;         /// Elide identical types in template diffing
+  unsigned ShowTemplateTree: 1;  /// Print a template tree when diffing
+
+  unsigned ErrorLimit;           /// Limit # errors emitted.
+  unsigned MacroBacktraceLimit;  /// Limit depth of macro expansion backtrace.
+  unsigned TemplateBacktraceLimit; /// Limit depth of instantiation backtrace.
+  unsigned ConstexprBacktraceLimit; /// Limit depth of constexpr backtrace.
+
+  /// The distance between tab stops.
+  unsigned TabStop;
+  enum { DefaultTabStop = 8, MaxTabStop = 100, 
+         DefaultMacroBacktraceLimit = 6,
+         DefaultTemplateBacktraceLimit = 10,
+         DefaultConstexprBacktraceLimit = 10 };
+
+  /// Column limit for formatting message diagnostics, or 0 if unused.
+  unsigned MessageLength;
+
+  /// If non-empty, a file to log extended build information to, for development
+  /// testing and analysis.
+  std::string DumpBuildInformation;
+
+  /// The file to log diagnostic output to.
+  std::string DiagnosticLogFile;
+  
+  /// The file to serialize diagnostics to (non-appending).
+  std::string DiagnosticSerializationFile;
+
+  /// The list of -W... options used to alter the diagnostic mappings, with the
+  /// prefixes removed.
+  std::vector<std::string> Warnings;
+
+public:
+  DiagnosticOptions() {
+    IgnoreWarnings = 0;
+    TabStop = DefaultTabStop;
+    MessageLength = 0;
+    NoRewriteMacros = 0;
+    Pedantic = 0;
+    PedanticErrors = 0;
+    ShowCarets = 1;
+    ShowColors = 0;
+    ShowOverloads = DiagnosticsEngine::Ovl_All;
+    ShowColumn = 1;
+    ShowFixits = 1;
+    ShowLocation = 1;
+    ShowOptionNames = 0;
+    ShowCategories = 0;
+    Format = Clang;
+    ShowSourceRanges = 0;
+    ShowParseableFixits = 0;
+    VerifyDiagnostics = 0;
+    ErrorLimit = 0;
+    TemplateBacktraceLimit = DefaultTemplateBacktraceLimit;
+    MacroBacktraceLimit = DefaultMacroBacktraceLimit;
+    ConstexprBacktraceLimit = DefaultConstexprBacktraceLimit;
+  }
+};
+
+}  // end namespace clang
+
+#endif