1 //===- CXStoredDiagnostic.cpp - Diagnostics C Interface -------------------===//
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 // Implements part of the diagnostic functions of the Clang C interface.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "CIndexDiagnostic.h"
14 #include "CIndexer.h"
15 #include "CXTranslationUnit.h"
16 #include "CXSourceLocation.h"
17 #include "CXString.h"
18
19 #include "clang/Basic/DiagnosticIDs.h"
20 #include "clang/Frontend/ASTUnit.h"
21 #include "llvm/ADT/Twine.h"
22
23 using namespace clang;
24 using namespace clang::cxloc;
25
getSeverity() const26 CXDiagnosticSeverity CXStoredDiagnostic::getSeverity() const {
27 switch (Diag.getLevel()) {
28 case DiagnosticsEngine::Ignored: return CXDiagnostic_Ignored;
29 case DiagnosticsEngine::Note: return CXDiagnostic_Note;
30 case DiagnosticsEngine::Remark:
31 // The 'Remark' level isn't represented in the stable API.
32 case DiagnosticsEngine::Warning: return CXDiagnostic_Warning;
33 case DiagnosticsEngine::Error: return CXDiagnostic_Error;
34 case DiagnosticsEngine::Fatal: return CXDiagnostic_Fatal;
35 }
36
37 llvm_unreachable("Invalid diagnostic level");
38 }
39
getLocation() const40 CXSourceLocation CXStoredDiagnostic::getLocation() const {
41 if (Diag.getLocation().isInvalid())
42 return clang_getNullLocation();
43
44 return translateSourceLocation(Diag.getLocation().getManager(),
45 LangOpts, Diag.getLocation());
46 }
47
getSpelling() const48 CXString CXStoredDiagnostic::getSpelling() const {
49 return cxstring::createRef(Diag.getMessage());
50 }
51
getDiagnosticOption(CXString * Disable) const52 CXString CXStoredDiagnostic::getDiagnosticOption(CXString *Disable) const {
53 unsigned ID = Diag.getID();
54 StringRef Option = DiagnosticIDs::getWarningOptionForDiag(ID);
55 if (!Option.empty()) {
56 if (Disable)
57 *Disable = cxstring::createDup((Twine("-Wno-") + Option).str());
58 return cxstring::createDup((Twine("-W") + Option).str());
59 }
60
61 if (ID == diag::fatal_too_many_errors) {
62 if (Disable)
63 *Disable = cxstring::createRef("-ferror-limit=0");
64 return cxstring::createRef("-ferror-limit=");
65 }
66
67 return cxstring::createEmpty();
68 }
69
getCategory() const70 unsigned CXStoredDiagnostic::getCategory() const {
71 return DiagnosticIDs::getCategoryNumberForDiag(Diag.getID());
72 }
73
getCategoryText() const74 CXString CXStoredDiagnostic::getCategoryText() const {
75 unsigned catID = DiagnosticIDs::getCategoryNumberForDiag(Diag.getID());
76 return cxstring::createRef(DiagnosticIDs::getCategoryNameFromID(catID));
77 }
78
getNumRanges() const79 unsigned CXStoredDiagnostic::getNumRanges() const {
80 if (Diag.getLocation().isInvalid())
81 return 0;
82
83 return Diag.range_size();
84 }
85
getRange(unsigned int Range) const86 CXSourceRange CXStoredDiagnostic::getRange(unsigned int Range) const {
87 assert(Diag.getLocation().isValid());
88 return translateSourceRange(Diag.getLocation().getManager(),
89 LangOpts,
90 Diag.range_begin()[Range]);
91 }
92
getNumFixIts() const93 unsigned CXStoredDiagnostic::getNumFixIts() const {
94 if (Diag.getLocation().isInvalid())
95 return 0;
96 return Diag.fixit_size();
97 }
98
getFixIt(unsigned FixIt,CXSourceRange * ReplacementRange) const99 CXString CXStoredDiagnostic::getFixIt(unsigned FixIt,
100 CXSourceRange *ReplacementRange) const {
101 const FixItHint &Hint = Diag.fixit_begin()[FixIt];
102 if (ReplacementRange) {
103 // Create a range that covers the entire replacement (or
104 // removal) range, adjusting the end of the range to point to
105 // the end of the token.
106 *ReplacementRange = translateSourceRange(Diag.getLocation().getManager(),
107 LangOpts, Hint.RemoveRange);
108 }
109 return cxstring::createDup(Hint.CodeToInsert);
110 }
111
112