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Add ClangCursor::get_spelling_range and change some ResolveSpelling calls to get_spelling_range

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This commit is contained in:
Fangrui Song 2017-12-31 23:27:33 -08:00
parent a6496a0f8f
commit 02246a5c4b
3 changed files with 47 additions and 33 deletions
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15
src/clang_cursor.cc
View File

@ -123,6 +123,21 @@ std::string ClangCursor::get_spelling() const {
return ::ToString(clang_getCursorSpelling(cx_cursor));
}
Range ClangCursor::get_spelling_range(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);
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(Position((int16_t)start_line, (int16_t)start_column) /*start*/,
Position((int16_t)end_line, (int16_t)end_column) /*end*/);
}
std::string ClangCursor::get_display_name() const {
return ::ToString(clang_getCursorDisplayName(cx_cursor));
}

3
src/clang_cursor.h
View File

@ -1,5 +1,7 @@
#pragma once
#include "position.h"
#include <clang-c/Index.h>
#include <optional.h>
@ -45,6 +47,7 @@ class ClangCursor {
ClangCursor get_declaration() const;
ClangType get_type() const;
std::string get_spelling() const;
Range get_spelling_range(CXFile* cx_file = nullptr) const;
std::string get_display_name() const;
std::string get_usr() const;

62
src/indexer.cc
View File

@ -657,7 +657,7 @@ void VisitDeclForTypeUsageVisitorHandler(ClangCursor cursor,
IndexType* ref_type_def = db->Resolve(ref_type_id);
// TODO: Should we even be visiting this if the file is not from the main
// def? Try adding assert on |loc| later.
Range loc = ResolveSpelling(cursor.cx_cursor);
Range loc = cursor.get_spelling_range();
UniqueAdd(ref_type_def->uses, loc);
}
@ -886,7 +886,7 @@ ClangCursor::VisitResult AddDeclInitializerUsagesVisitor(ClangCursor cursor,
if (ref_usr == "")
break;
Range loc = ResolveSpelling(cursor.cx_cursor);
Range loc = cursor.get_spelling_range();
IndexVarId ref_id = db->ToVarId(ref_usr);
IndexVar* ref_def = db->Resolve(ref_id);
UniqueAdd(ref_def->uses, loc);
@ -985,14 +985,14 @@ ClangCursor::VisitResult TemplateVisitor(ClangCursor cursor,
data->db->Resolve(data->db->ToVarId(ref_cursor.get_usr()));
if (ref_index->def.short_name.empty()) {
ref_index->def.definition_spelling =
ResolveSpelling(ref_cursor.cx_cursor);
ref_cursor.get_spelling_range();
ref_index->def.definition_extent =
ResolveExtent(ref_cursor.cx_cursor);
ref_index->def.short_name = ref_cursor.get_spelling();
ref_index->def.detailed_name = ref_index->def.short_name;
ref_index->uses.push_back(ResolveSpelling(ref_cursor.cx_cursor));
ref_index->uses.push_back(ref_cursor.get_spelling_range());
}
UniqueAdd(ref_index->uses, ResolveSpelling(cursor.cx_cursor));
UniqueAdd(ref_index->uses, cursor.get_spelling_range());
}
break;
}
@ -1009,7 +1009,7 @@ ClangCursor::VisitResult TemplateVisitor(ClangCursor cursor,
IndexFuncId called_id = data->db->ToFuncId(ref_usr);
IndexFunc* called = data->db->Resolve(called_id);
OnIndexReference_Function(data->db,
ResolveSpelling(cursor.cx_cursor),
cursor.get_spelling_range(),
data->container, called_id, called,
/*implicit=*/false);
break;
@ -1030,14 +1030,14 @@ ClangCursor::VisitResult TemplateVisitor(ClangCursor cursor,
// {Class,Function}Template. Thus we need to initialize it here.
if (ref_index->def.short_name.empty()) {
ref_index->def.definition_spelling =
ResolveSpelling(ref_cursor.cx_cursor);
ref_cursor.get_spelling_range();
ref_index->def.definition_extent =
ResolveExtent(ref_cursor.cx_cursor);
ref_index->def.short_name = ref_cursor.get_spelling();
ref_index->def.detailed_name = ref_index->def.short_name;
ref_index->uses.push_back(ResolveSpelling(ref_cursor.cx_cursor));
ref_index->uses.push_back(ref_cursor.get_spelling_range());
}
UniqueAdd(ref_index->uses, ResolveSpelling(cursor.cx_cursor));
UniqueAdd(ref_index->uses, cursor.get_spelling_range());
}
break;
}
@ -1053,14 +1053,14 @@ ClangCursor::VisitResult TemplateVisitor(ClangCursor cursor,
// {Class,Function}Template. Thus we need to initialize it here.
if (ref_index->def.short_name.empty()) {
ref_index->def.definition_spelling =
ResolveSpelling(ref_cursor.cx_cursor);
ref_cursor.get_spelling_range();
ref_index->def.definition_extent =
ResolveExtent(ref_cursor.cx_cursor);
ref_index->def.short_name = ref_cursor.get_spelling();
ref_index->def.detailed_name = ref_index->def.short_name;
ref_index->uses.push_back(ResolveSpelling(ref_cursor.cx_cursor));
ref_index->uses.push_back(ref_cursor.get_spelling_range());
}
UniqueAdd(ref_index->uses, ResolveSpelling(cursor.cx_cursor));
UniqueAdd(ref_index->uses, cursor.get_spelling_range());
}
break;
}
@ -1177,9 +1177,8 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
case CXIdxEntity_Field:
case CXIdxEntity_Variable:
case CXIdxEntity_CXXStaticVariable: {
Range decl_loc_spelling = ResolveSpelling(decl->cursor);
ClangCursor decl_cursor = decl->cursor;
Range decl_spell = decl_cursor.get_spelling_range();
// Do not index implicit template instantiations.
if (decl_cursor !=
@ -1231,13 +1230,12 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
//}
if (decl->isDefinition) {
var->def.definition_spelling = ResolveSpelling(decl->cursor);
var->def.definition_spelling = decl_spell;
var->def.definition_extent = ResolveExtent(decl->cursor);
;
} else {
var->def.declaration = ResolveSpelling(decl->cursor);
var->def.declaration = decl_spell;
}
UniqueAdd(var->uses, decl_loc_spelling);
UniqueAdd(var->uses, decl_spell);
AddDeclInitializerUsages(db, decl_cursor);
var = db->Resolve(var_id);
@ -1288,10 +1286,10 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
case CXIdxEntity_CXXInstanceMethod:
case CXIdxEntity_CXXStaticMethod:
case CXIdxEntity_CXXConversionFunction: {
Range decl_spelling = ResolveSpelling(decl->cursor);
ClangCursor decl_cursor = decl->cursor;
Range decl_spelling = decl_cursor.get_spelling_range();
Range decl_extent = ResolveExtent(decl->cursor);
ClangCursor decl_cursor = decl->cursor;
ClangCursor decl_cursor_resolved =
decl_cursor.template_specialization_to_template_definition();
bool is_template_specialization = decl_cursor != decl_cursor_resolved;
@ -1326,7 +1324,7 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
for (ClangCursor arg : decl_cursor.get_arguments()) {
switch (arg.get_kind()) {
case CXCursor_ParmDecl: {
Range param_spelling = ResolveSpelling(arg.cx_cursor);
Range param_spelling = arg.get_spelling_range();
// If the name is empty (which is common for parameters), clang
// will report a range with length 1, which is not correct.
@ -1425,8 +1423,6 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
case CXIdxEntity_Typedef:
case CXIdxEntity_CXXTypeAlias: {
Range decl_loc_spelling = ResolveSpelling(decl->cursor);
// Note we want to fetch the first TypeRef. Running
// ResolveCursorType(decl->cursor) would return
// the type of the typedef/using, not the type of the referenced type.
@ -1439,7 +1435,8 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
if (alias_of)
type->def.alias_of = alias_of.value();
Range spell = ResolveSpelling(decl->cursor);
ClangCursor decl_cursor = decl->cursor;
Range spell = decl_cursor.get_spelling_range();
Range extent = ResolveExtent(decl->cursor);
type->def.definition_spelling = spell;
type->def.definition_extent = extent;
@ -1448,7 +1445,6 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
type->def.detailed_name =
ns->QualifiedName(decl->semanticContainer, type->def.short_name);
ClangCursor decl_cursor = decl->cursor;
type->def.comments = decl_cursor.get_comments();
// For Typedef/CXXTypeAlias spanning a few lines, display the declaration
@ -1470,7 +1466,7 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
}
}
UniqueAdd(type->uses, decl_loc_spelling);
UniqueAdd(type->uses, spell);
break;
}
@ -1481,7 +1477,8 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
case CXIdxEntity_Union:
case CXIdxEntity_Struct:
case CXIdxEntity_CXXClass: {
Range decl_loc_spelling = ResolveSpelling(decl->cursor);
ClangCursor decl_cursor = decl->cursor;
Range decl_loc_spelling = decl_cursor.get_spelling_range();
IndexTypeId type_id = db->ToTypeId(decl->entityInfo->USR);
IndexType* type = db->Resolve(type_id);
@ -1504,12 +1501,11 @@ void OnIndexDeclaration(CXClientData client_data, const CXIdxDeclInfo* decl) {
type->def.detailed_name =
ns->QualifiedName(decl->semanticContainer, type->def.short_name);
ClangCursor decl_cursor = decl->cursor;
type->def.comments = decl_cursor.get_comments();
// }
if (decl->isDefinition) {
type->def.definition_spelling = ResolveSpelling(decl->cursor);
type->def.definition_spelling = decl_loc_spelling;
type->def.definition_extent = ResolveExtent(decl->cursor);
}
UniqueAdd(type->uses, decl_loc_spelling);
@ -1599,7 +1595,8 @@ void OnIndexReference(CXClientData client_data, const CXIdxEntityRefInfo* ref) {
case CXIdxEntity_CXXStaticVariable:
case CXIdxEntity_Variable:
case CXIdxEntity_Field: {
Range loc_spelling = ResolveSpelling(ref->cursor);
ClangCursor ref_cursor(ref->cursor);
Range loc_spelling = ref_cursor.get_spelling_range();
ClangCursor referenced = ref->referencedEntity->cursor;
referenced = referenced.template_specialization_to_template_definition();
@ -1612,8 +1609,7 @@ void OnIndexReference(CXClientData client_data, const CXIdxEntityRefInfo* ref) {
// as lambdas cannot be split across files.
if (var->def.short_name.empty()) {
CXFile referenced_file;
Range spelling =
ResolveSpelling(referenced.cx_cursor, &referenced_file);
Range spelling = referenced.get_spelling_range(&referenced_file);
if (file == referenced_file) {
var->def.definition_spelling = spelling;
var->def.definition_extent = ResolveExtent(referenced.cx_cursor);
@ -1628,7 +1624,7 @@ void OnIndexReference(CXClientData client_data, const CXIdxEntityRefInfo* ref) {
var->def.cls = VarClass::Local;
ClangCursor decl_cursor = referenced;
var->def.comments = decl_cursor.get_comments();
UniqueAdd(var->uses, ResolveSpelling(referenced.cx_cursor));
UniqueAdd(var->uses, referenced.get_spelling_range());
AddDeclInitializerUsages(db, referenced.cx_cursor);
// TODO Use proper semantic_container and lexical_container.
AddDeclTypeUsages(db, referenced.cx_cursor, nullptr, nullptr);