mirror of
https://github.com/MaskRay/ccls.git
synced 2024-11-22 07:35:08 +00:00
Clean up clang_tu; retrieve comments with clang::ASTContext::getRawCommentForAnyRedecl
This commit is contained in:
Fangrui Song
parent
103aa711d3
commit
9b54e5391c
198
src/clang_tu.cc
198
src/clang_tu.cc
@ -65,204 +65,6 @@ void EmitDiagnostics(std::string path,
|
||||
}
|
||||
} // namespace
|
||||
|
||||
Range ResolveCXSourceRange(const CXSourceRange& range, CXFile* cx_file) {
|
||||
CXSourceLocation start = clang_getRangeStart(range);
|
||||
CXSourceLocation end = clang_getRangeEnd(range);
|
||||
|
||||
unsigned int start_line, start_column;
|
||||
clang_getSpellingLocation(start, cx_file, &start_line, &start_column,
|
||||
nullptr);
|
||||
unsigned int end_line, end_column;
|
||||
clang_getSpellingLocation(end, nullptr, &end_line, &end_column, nullptr);
|
||||
|
||||
return Range{{int16_t(start_line - 1), (int16_t)(start_column - 1)},
|
||||
{int16_t(end_line - 1), int16_t(end_column - 1)}};
|
||||
}
|
||||
|
||||
ClangCursor ClangType::get_declaration() const {
|
||||
return clang_getTypeDeclaration(cx_type);
|
||||
}
|
||||
|
||||
std::string ClangType::get_usr() const {
|
||||
return ClangCursor{clang_getTypeDeclaration(cx_type)}.get_usr();
|
||||
}
|
||||
|
||||
Usr ClangType::get_usr_hash() const {
|
||||
if (is_builtin())
|
||||
return static_cast<Usr>(cx_type.kind);
|
||||
return ClangCursor{clang_getTypeDeclaration(cx_type)}.get_usr_hash();
|
||||
}
|
||||
|
||||
ClangType ClangType::get_canonical() const {
|
||||
return clang_getCanonicalType(cx_type);
|
||||
}
|
||||
|
||||
ClangType ClangType::strip_qualifiers() const {
|
||||
CXType cx = cx_type;
|
||||
while (1) {
|
||||
switch (cx.kind) {
|
||||
default:
|
||||
break;
|
||||
case CXType_ConstantArray:
|
||||
case CXType_DependentSizedArray:
|
||||
case CXType_IncompleteArray:
|
||||
case CXType_VariableArray:
|
||||
cx = clang_getElementType(cx);
|
||||
continue;
|
||||
case CXType_BlockPointer:
|
||||
case CXType_LValueReference:
|
||||
case CXType_MemberPointer:
|
||||
case CXType_ObjCObjectPointer:
|
||||
case CXType_Pointer:
|
||||
case CXType_RValueReference:
|
||||
cx = clang_getPointeeType(cx);
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return cx;
|
||||
}
|
||||
|
||||
std::string ClangType::get_spell_name() const {
|
||||
return ToString(clang_getTypeSpelling(cx_type));
|
||||
}
|
||||
|
||||
ClangType ClangType::get_return_type() const {
|
||||
return clang_getResultType(cx_type);
|
||||
}
|
||||
|
||||
std::vector<ClangType> ClangType::get_arguments() const {
|
||||
int size = clang_getNumArgTypes(cx_type);
|
||||
if (size < 0)
|
||||
return {};
|
||||
std::vector<ClangType> types(size);
|
||||
for (int i = 0; i < size; ++i)
|
||||
types.emplace_back(clang_getArgType(cx_type, i));
|
||||
return types;
|
||||
}
|
||||
|
||||
std::vector<ClangType> ClangType::get_template_arguments() const {
|
||||
int size = clang_Type_getNumTemplateArguments(cx_type);
|
||||
assert(size >= 0);
|
||||
if (size < 0)
|
||||
return std::vector<ClangType>();
|
||||
|
||||
std::vector<ClangType> types(size);
|
||||
for (int i = 0; i < size; ++i)
|
||||
types.emplace_back(clang_Type_getTemplateArgumentAsType(cx_type, i));
|
||||
return types;
|
||||
}
|
||||
|
||||
ClangType ClangCursor::get_type() const {
|
||||
return {clang_getCursorType(cx_cursor)};
|
||||
}
|
||||
|
||||
std::string ClangCursor::get_spell_name() const {
|
||||
return ::ToString(clang_getCursorSpelling(cx_cursor));
|
||||
}
|
||||
|
||||
Range ClangCursor::get_spell(CXFile* cx_file) const {
|
||||
// TODO for Objective-C methods and Objective-C message expressions, there are
|
||||
// multiple pieces for each selector identifier.
|
||||
CXSourceRange range = clang_Cursor_getSpellingNameRange(cx_cursor, 0, 0);
|
||||
return ResolveCXSourceRange(range, cx_file);
|
||||
}
|
||||
|
||||
Range ClangCursor::get_extent() const {
|
||||
CXSourceRange range = clang_getCursorExtent(cx_cursor);
|
||||
return ResolveCXSourceRange(range, nullptr);
|
||||
}
|
||||
|
||||
std::string ClangCursor::get_display_name() const {
|
||||
return ::ToString(clang_getCursorDisplayName(cx_cursor));
|
||||
}
|
||||
|
||||
std::string ClangCursor::get_usr() const {
|
||||
return ::ToString(clang_getCursorUSR(cx_cursor));
|
||||
}
|
||||
|
||||
Usr ClangCursor::get_usr_hash() const {
|
||||
CXString usr = clang_getCursorUSR(cx_cursor);
|
||||
Usr ret = HashUsr(clang_getCString(usr));
|
||||
clang_disposeString(usr);
|
||||
return ret;
|
||||
}
|
||||
|
||||
std::optional<Usr> ClangCursor::get_opt_usr_hash() const {
|
||||
CXString usr = clang_getCursorUSR(cx_cursor);
|
||||
const char* str = clang_getCString(usr);
|
||||
if (!str || str[0] == '\0') {
|
||||
clang_disposeString(usr);
|
||||
return {};
|
||||
}
|
||||
Usr ret = HashUsr(str);
|
||||
clang_disposeString(usr);
|
||||
return ret;
|
||||
}
|
||||
|
||||
bool ClangCursor::is_definition() const {
|
||||
return clang_isCursorDefinition(cx_cursor);
|
||||
}
|
||||
|
||||
ClangCursor ClangCursor::template_specialization_to_template_definition()
|
||||
const {
|
||||
CXCursor definition = clang_getSpecializedCursorTemplate(cx_cursor);
|
||||
if (definition.kind == CXCursor_FirstInvalid)
|
||||
return cx_cursor;
|
||||
return definition;
|
||||
}
|
||||
|
||||
ClangCursor ClangCursor::get_referenced() const {
|
||||
return {clang_getCursorReferenced(cx_cursor)};
|
||||
}
|
||||
|
||||
ClangCursor ClangCursor::get_canonical() const {
|
||||
return {clang_getCanonicalCursor(cx_cursor)};
|
||||
}
|
||||
|
||||
ClangCursor ClangCursor::get_definition() const {
|
||||
return {clang_getCursorDefinition(cx_cursor)};
|
||||
}
|
||||
|
||||
ClangCursor ClangCursor::get_lexical_parent() const {
|
||||
return {clang_getCursorLexicalParent(cx_cursor)};
|
||||
}
|
||||
|
||||
ClangCursor ClangCursor::get_semantic_parent() const {
|
||||
return {clang_getCursorSemanticParent(cx_cursor)};
|
||||
}
|
||||
|
||||
std::vector<ClangCursor> ClangCursor::get_arguments() const {
|
||||
int size = clang_Cursor_getNumArguments(cx_cursor);
|
||||
if (size < 0)
|
||||
return std::vector<ClangCursor>();
|
||||
|
||||
std::vector<ClangCursor> cursors(size);
|
||||
for (int i = 0; i < size; ++i)
|
||||
cursors.emplace_back(clang_Cursor_getArgument(cx_cursor, i));
|
||||
return cursors;
|
||||
}
|
||||
|
||||
bool ClangCursor::is_valid_kind() const {
|
||||
CXCursor referenced = clang_getCursorReferenced(cx_cursor);
|
||||
if (clang_Cursor_isNull(referenced))
|
||||
return false;
|
||||
|
||||
CXCursorKind kind = get_kind();
|
||||
return kind > CXCursor_UnexposedDecl &&
|
||||
(kind < CXCursor_FirstInvalid || kind > CXCursor_LastInvalid);
|
||||
}
|
||||
|
||||
std::string ClangCursor::get_type_description() const {
|
||||
auto type = clang_getCursorType(cx_cursor);
|
||||
return ::ToString(clang_getTypeSpelling(type));
|
||||
}
|
||||
|
||||
std::string ClangCursor::ToString() const {
|
||||
return ::ToString(get_kind()) + " " + get_spell_name();
|
||||
}
|
||||
|
||||
ClangIndex::ClangIndex() : ClangIndex(1, 0) {}
|
||||
|
||||
ClangIndex::ClangIndex(int exclude_declarations_from_pch,
|
||||
|
||||
@ -7,104 +7,6 @@
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
using Usr = uint64_t;
|
||||
|
||||
Range ResolveCXSourceRange(const CXSourceRange& range,
|
||||
CXFile* cx_file = nullptr);
|
||||
|
||||
class ClangCursor;
|
||||
|
||||
class ClangType {
|
||||
public:
|
||||
ClangType() = default;
|
||||
ClangType(const CXType& cx) : cx_type(cx) {}
|
||||
|
||||
// Returns true if this is a fundamental type like int.
|
||||
bool is_builtin() const {
|
||||
// NOTE: This will return false for pointed types. Should we call
|
||||
// strip_qualifiers for the user?
|
||||
return cx_type.kind >= CXType_FirstBuiltin &&
|
||||
cx_type.kind <= CXType_LastBuiltin;
|
||||
}
|
||||
|
||||
ClangCursor get_declaration() const;
|
||||
std::string get_usr() const;
|
||||
Usr get_usr_hash() const;
|
||||
std::string get_spell_name() const;
|
||||
ClangType get_canonical() const;
|
||||
|
||||
// Try to resolve this type and remove qualifies, ie, Foo* will become Foo
|
||||
ClangType strip_qualifiers() const;
|
||||
|
||||
ClangType get_return_type() const;
|
||||
std::vector<ClangType> get_arguments() const;
|
||||
std::vector<ClangType> get_template_arguments() const;
|
||||
|
||||
CXType cx_type;
|
||||
};
|
||||
|
||||
class ClangCursor {
|
||||
public:
|
||||
ClangCursor() = default;
|
||||
ClangCursor(CXCursor cx) : cx_cursor(cx) {}
|
||||
bool operator==(const ClangCursor& o) const {
|
||||
return clang_equalCursors(cx_cursor, o.cx_cursor);
|
||||
}
|
||||
bool operator!=(const ClangCursor& o) const {
|
||||
return !(*this == o);
|
||||
}
|
||||
|
||||
CXCursorKind get_kind() const {
|
||||
return cx_cursor.kind;
|
||||
}
|
||||
ClangType get_type() const;
|
||||
std::string get_spell_name() const;
|
||||
Range get_spell(CXFile* cx_file = nullptr) const;
|
||||
Range get_extent() const;
|
||||
std::string get_display_name() const;
|
||||
std::string get_usr() const;
|
||||
Usr get_usr_hash() const;
|
||||
std::optional<Usr> get_opt_usr_hash() const;
|
||||
|
||||
bool is_definition() const;
|
||||
|
||||
// If the given cursor points to a template specialization, this
|
||||
// will return the cursor pointing to the template definition.
|
||||
// If the given cursor is not a template specialization, this will
|
||||
// just return the same cursor.
|
||||
//
|
||||
// This means it is always safe to call this method.
|
||||
ClangCursor template_specialization_to_template_definition() const;
|
||||
|
||||
ClangCursor get_referenced() const;
|
||||
ClangCursor get_canonical() const;
|
||||
ClangCursor get_definition() const;
|
||||
ClangCursor get_lexical_parent() const;
|
||||
ClangCursor get_semantic_parent() const;
|
||||
std::vector<ClangCursor> get_arguments() const;
|
||||
bool is_valid_kind() const;
|
||||
|
||||
std::string get_type_description() const;
|
||||
|
||||
std::string ToString() const;
|
||||
|
||||
enum class VisitResult { Break, Continue, Recurse };
|
||||
|
||||
template <typename TClientData>
|
||||
using Visitor = VisitResult (*)(ClangCursor cursor,
|
||||
ClangCursor parent,
|
||||
TClientData* client_data);
|
||||
|
||||
template <typename TClientData>
|
||||
void VisitChildren(Visitor<TClientData> visitor,
|
||||
TClientData* client_data) const {
|
||||
clang_visitChildren(cx_cursor, reinterpret_cast<CXCursorVisitor>(visitor),
|
||||
client_data);
|
||||
}
|
||||
|
||||
CXCursor cx_cursor;
|
||||
};
|
||||
|
||||
// Simple RAII wrapper about CXIndex.
|
||||
// Note: building a ClangIndex instance acquires a global lock, since libclang
|
||||
// API does not appear to be thread-safe here.
|
||||
|
||||
@ -270,6 +270,58 @@ class IndexDataConsumer : public index::IndexDataConsumer {
|
||||
IndexParam& param;
|
||||
llvm::DenseMap<const Decl*, Usr> Decl2usr;
|
||||
|
||||
std::string GetComment(const Decl* D) {
|
||||
SourceManager &SM = Ctx->getSourceManager();
|
||||
const RawComment *RC = Ctx->getRawCommentForAnyRedecl(D);
|
||||
if (!RC) return "";
|
||||
StringRef Raw = RC->getRawText(Ctx->getSourceManager());
|
||||
SourceRange R = RC->getSourceRange();
|
||||
std::pair<FileID, unsigned> BInfo = SM.getDecomposedLoc(R.getBegin());
|
||||
unsigned start_column = SM.getLineNumber(BInfo.first, BInfo.second);
|
||||
std::string ret;
|
||||
int pad = -1;
|
||||
for (const char *p = Raw.data(), *E = Raw.end(); p < E;) {
|
||||
// The first line starts with a comment marker, but the rest needs
|
||||
// un-indenting.
|
||||
unsigned skip = start_column - 1;
|
||||
for (; skip > 0 && p < E && (*p == ' ' || *p == '\t'); p++)
|
||||
skip--;
|
||||
const char *q = p;
|
||||
while (q < E && *q != '\n')
|
||||
q++;
|
||||
if (q < E)
|
||||
q++;
|
||||
// A minimalist approach to skip Doxygen comment markers.
|
||||
// See https://www.stack.nl/~dimitri/doxygen/manual/docblocks.html
|
||||
if (pad < 0) {
|
||||
// First line, detect the length of comment marker and put into |pad|
|
||||
const char *begin = p;
|
||||
while (p < E && (*p == '/' || *p == '*'))
|
||||
p++;
|
||||
if (p < E && (*p == '<' || *p == '!'))
|
||||
p++;
|
||||
if (p < E && *p == ' ')
|
||||
p++;
|
||||
pad = int(p - begin);
|
||||
} else {
|
||||
// Other lines, skip |pad| bytes
|
||||
int prefix = pad;
|
||||
while (prefix > 0 && p < E &&
|
||||
(*p == ' ' || *p == '/' || *p == '*' || *p == '<' || *p == '!'))
|
||||
prefix--, p++;
|
||||
}
|
||||
ret.insert(ret.end(), p, q);
|
||||
p = q;
|
||||
}
|
||||
while (ret.size() && isspace(ret.back()))
|
||||
ret.pop_back();
|
||||
if (StringRef(ret).endswith("*/") || StringRef(ret).endswith("\n/"))
|
||||
ret.resize(ret.size() - 2);
|
||||
while (ret.size() && isspace(ret.back()))
|
||||
ret.pop_back();
|
||||
return ret;
|
||||
}
|
||||
|
||||
Usr GetUsr(const Decl* D) {
|
||||
D = D->getCanonicalDecl();
|
||||
auto R = Decl2usr.try_emplace(D);
|
||||
@ -429,7 +481,7 @@ public:
|
||||
if (!func->def.detailed_name[0]) {
|
||||
SetName(D, short_name, qualified, func->def);
|
||||
if (g_config->index.comments)
|
||||
func->def.comments = Intern("");
|
||||
func->def.comments = Intern(GetComment(D));
|
||||
}
|
||||
if (is_def || (is_decl && !func->def.spell)) {
|
||||
if (func->def.spell)
|
||||
@ -450,7 +502,7 @@ public:
|
||||
if (!type->def.detailed_name[0]) {
|
||||
SetName(D, short_name, qualified, type->def);
|
||||
if (g_config->index.comments)
|
||||
type->def.comments = Intern("");
|
||||
type->def.comments = Intern(GetComment(D));
|
||||
}
|
||||
if (is_def || (is_decl && !type->def.spell)) {
|
||||
if (type->def.spell)
|
||||
@ -465,7 +517,7 @@ public:
|
||||
if (!var->def.detailed_name[0]) {
|
||||
SetName(D, short_name, qualified, var->def);
|
||||
if (g_config->index.comments)
|
||||
var->def.comments = Intern("");
|
||||
var->def.comments = Intern(GetComment(D));
|
||||
}
|
||||
if (is_def || (is_decl && !var->def.spell)) {
|
||||
if (var->def.spell)
|
||||
@ -633,27 +685,6 @@ void Uniquify(std::vector<Use>& uses) {
|
||||
uses.resize(n);
|
||||
}
|
||||
|
||||
void AddUse(IndexFile* db,
|
||||
std::vector<Use>& uses,
|
||||
Range range,
|
||||
ClangCursor parent,
|
||||
Role role = Role::Reference) {
|
||||
// switch (GetSymbolKind(parent.get_kind())) {
|
||||
// case SymbolKind::Func:
|
||||
// uses.push_back(Use{
|
||||
// {range, db->ToFunc(parent.cx_cursor).usr, SymbolKind::Func, role}});
|
||||
// break;
|
||||
// case SymbolKind::Type:
|
||||
// uses.push_back(Use{
|
||||
// {range, db->ToType(parent.cx_cursor).usr, SymbolKind::Type, role}});
|
||||
// break;
|
||||
// default:
|
||||
// uses.push_back(Use{{range, 0, SymbolKind::File, role}});
|
||||
// break;
|
||||
// }
|
||||
}
|
||||
|
||||
|
||||
std::vector<std::unique_ptr<IndexFile>> ClangIndexer::Index(
|
||||
VFS* vfs,
|
||||
std::string file,
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
#pragma once
|
||||
|
||||
#include "clang_tu.h"
|
||||
#include "clang_utils.h"
|
||||
#include "file_consumer.h"
|
||||
#include "language.h"
|
||||
@ -21,6 +20,8 @@
|
||||
#include <unordered_map>
|
||||
#include <vector>
|
||||
|
||||
using Usr = uint64_t;
|
||||
|
||||
struct SymbolIdx {
|
||||
Usr usr;
|
||||
SymbolKind kind;
|
||||
@ -279,9 +280,6 @@ struct IndexFile {
|
||||
IndexFunc& ToFunc(Usr usr);
|
||||
IndexType& ToType(Usr usr);
|
||||
IndexVar& ToVar(Usr usr);
|
||||
IndexFunc& ToFunc(const ClangCursor& c) { return ToFunc(c.get_usr_hash()); }
|
||||
IndexType& ToType(const ClangCursor& c) { return ToType(c.get_usr_hash()); }
|
||||
IndexVar& ToVar(const ClangCursor& c) { return ToVar(c.get_usr_hash()); }
|
||||
|
||||
std::string ToString();
|
||||
};
|
||||
@ -304,7 +302,4 @@ struct ClangIndexer {
|
||||
std::string file,
|
||||
const std::vector<std::string>& args,
|
||||
const std::vector<FileContents>& file_contents);
|
||||
|
||||
// Note: constructing this acquires a global lock
|
||||
ClangIndex index;
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user