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125 lines
4.0 KiB
C++
125 lines
4.0 KiB
C++
#include "clang_utils.h"
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#include "platform.h"
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namespace {
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lsRange GetLsRangeForFixIt(const CXSourceRange& range) {
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CXSourceLocation start = clang_getRangeStart(range);
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CXSourceLocation end = clang_getRangeEnd(range);
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unsigned int start_line, start_column;
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clang_getSpellingLocation(start, nullptr, &start_line, &start_column,
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nullptr);
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unsigned int end_line, end_column;
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clang_getSpellingLocation(end, nullptr, &end_line, &end_column, nullptr);
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return lsRange(lsPosition(start_line - 1, start_column - 1) /*start*/,
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lsPosition(end_line - 1, end_column) /*end*/);
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}
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} // namespace
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// See clang_formatDiagnostic
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optional<lsDiagnostic> BuildAndDisposeDiagnostic(CXDiagnostic diagnostic,
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const std::string& path) {
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// Get diagnostic location.
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CXFile file;
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unsigned start_line, start_column;
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clang_getSpellingLocation(clang_getDiagnosticLocation(diagnostic), &file,
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&start_line, &start_column, nullptr);
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if (file && path != FileName(file)) {
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clang_disposeDiagnostic(diagnostic);
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return nullopt;
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}
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unsigned end_line = start_line, end_column = start_column,
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num_ranges = clang_getDiagnosticNumRanges(diagnostic);
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for (unsigned i = 0; i < num_ranges; i++) {
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CXFile file0, file1;
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unsigned line0, column0, line1, column1;
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CXSourceRange range = clang_getDiagnosticRange(diagnostic, i);
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clang_getSpellingLocation(clang_getRangeStart(range), &file0, &line0,
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&column0, nullptr);
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clang_getSpellingLocation(clang_getRangeEnd(range), &file1, &line1,
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&column1, nullptr);
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if (file0 != file1 || file0 != file)
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continue;
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if (line0 < start_line || (line0 == start_line && column0 < start_column)) {
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start_line = line0;
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start_column = column0;
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}
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if (line1 > end_line || (line1 == end_line && column1 > end_column)) {
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end_line = line1;
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end_column = column1;
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}
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}
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// Build diagnostic.
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lsDiagnostic ls_diagnostic;
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ls_diagnostic.range = lsRange(lsPosition(start_line - 1, start_column - 1),
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lsPosition(end_line - 1, end_column - 1));
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ls_diagnostic.message = ToString(clang_getDiagnosticSpelling(diagnostic));
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// Append the flag that enables this diagnostic, ie, [-Wswitch]
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std::string enabling_flag =
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ToString(clang_getDiagnosticOption(diagnostic, nullptr));
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if (!enabling_flag.empty())
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ls_diagnostic.message += " [" + enabling_flag + "]";
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ls_diagnostic.code = clang_getDiagnosticCategory(diagnostic);
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switch (clang_getDiagnosticSeverity(diagnostic)) {
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case CXDiagnostic_Ignored:
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// llvm_unreachable
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break;
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case CXDiagnostic_Note:
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ls_diagnostic.severity = lsDiagnosticSeverity::Information;
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break;
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case CXDiagnostic_Warning:
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ls_diagnostic.severity = lsDiagnosticSeverity::Warning;
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break;
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case CXDiagnostic_Error:
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case CXDiagnostic_Fatal:
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ls_diagnostic.severity = lsDiagnosticSeverity::Error;
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break;
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}
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// Report fixits
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unsigned num_fixits = clang_getDiagnosticNumFixIts(diagnostic);
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for (unsigned i = 0; i < num_fixits; ++i) {
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CXSourceRange replacement_range;
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CXString text = clang_getDiagnosticFixIt(diagnostic, i, &replacement_range);
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lsTextEdit edit;
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edit.newText = ToString(text);
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edit.range = GetLsRangeForFixIt(replacement_range);
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ls_diagnostic.fixits_.push_back(edit);
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}
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clang_disposeDiagnostic(diagnostic);
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return ls_diagnostic;
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}
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std::string FileName(CXFile file) {
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CXString cx_name = clang_getFileName(file);
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std::string name = ToString(cx_name);
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return NormalizePath(name);
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}
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std::string ToString(CXString cx_string) {
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std::string string;
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if (cx_string.data != nullptr) {
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string = clang_getCString(cx_string);
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clang_disposeString(cx_string);
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}
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return string;
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}
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std::string ToString(CXCursorKind kind) {
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return ToString(clang_getCursorKindSpelling(kind));
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}
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