138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
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// This file is subject to the license terms in the LICENSE file
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// found in the top-level directory of this distribution.
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#include "parse_functions.hpp"
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#include <cppast/cpp_storage_class_specifiers.hpp>
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using namespace cppast;
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cpp_entity_id detail::get_entity_id(const CXCursor& cur)
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{
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cxstring usr(clang_getCursorUSR(cur));
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DEBUG_ASSERT(!usr.empty(), detail::parse_error_handler{}, cur, "cannot create id for entity");
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return cpp_entity_id(usr.c_str());
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}
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detail::cxstring detail::get_cursor_name(const CXCursor& cur)
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{
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return cxstring(clang_getCursorSpelling(cur));
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}
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cpp_storage_class_specifiers detail::get_storage_class(const CXCursor& cur)
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{
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switch (clang_Cursor_getStorageClass(cur))
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{
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case CX_SC_Invalid:
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break;
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case CX_SC_None:
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return cpp_storage_class_none;
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case CX_SC_Auto:
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case CX_SC_Register:
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return cpp_storage_class_auto;
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case CX_SC_Extern:
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return cpp_storage_class_extern;
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case CX_SC_Static:
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return cpp_storage_class_static;
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case CX_SC_PrivateExtern:
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case CX_SC_OpenCLWorkGroupLocal:
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// non-exposed storage classes
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return cpp_storage_class_auto;
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}
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DEBUG_UNREACHABLE(detail::parse_error_handler{}, cur, "unexpected storage class");
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return cpp_storage_class_auto;
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}
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void detail::comment_context::match(cpp_entity& e, const CXCursor& cur) const
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{
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auto pos = clang_getRangeStart(clang_getCursorExtent(cur));
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unsigned line;
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clang_getSpellingLocation(pos, nullptr, &line, nullptr, nullptr);
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match(e, line);
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}
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void detail::comment_context::match(cpp_entity& e, unsigned line) const
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{
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// find comment
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while (cur_ != end_ && cur_->line + 1 < line)
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++cur_;
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if (cur_ != end_ && cur_->matches(e, line))
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e.set_comment(std::move(cur_++->comment));
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}
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std::unique_ptr<cpp_entity> detail::parse_entity(const detail::parse_context& context,
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const CXCursor& cur, bool as_template) try
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{
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auto kind = clang_getCursorKind(cur);
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switch (kind)
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{
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case CXCursor_UnexposedDecl:
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// go through all the try_parse_XXX functions
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if (auto entity = try_parse_cpp_language_linkage(context, cur))
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return std::move(entity);
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break;
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case CXCursor_Namespace:
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return parse_cpp_namespace(context, cur);
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case CXCursor_NamespaceAlias:
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return parse_cpp_namespace_alias(context, cur);
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case CXCursor_UsingDirective:
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return parse_cpp_using_directive(context, cur);
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case CXCursor_UsingDeclaration:
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return parse_cpp_using_declaration(context, cur);
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case CXCursor_TypeAliasDecl:
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case CXCursor_TypedefDecl:
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return parse_cpp_type_alias(context, cur, as_template);
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case CXCursor_EnumDecl:
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return parse_cpp_enum(context, cur);
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case CXCursor_ClassDecl:
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case CXCursor_StructDecl:
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case CXCursor_UnionDecl:
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return parse_cpp_class(context, cur);
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case CXCursor_VarDecl:
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return parse_cpp_variable(context, cur);
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case CXCursor_FieldDecl:
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return parse_cpp_member_variable(context, cur);
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case CXCursor_FunctionDecl:
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return parse_cpp_function(context, cur);
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case CXCursor_CXXMethod:
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// check for static function
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if (auto func = try_parse_static_cpp_function(context, cur))
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return func;
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return parse_cpp_member_function(context, cur);
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case CXCursor_ConversionFunction:
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return parse_cpp_conversion_op(context, cur);
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case CXCursor_Constructor:
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return parse_cpp_constructor(context, cur);
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case CXCursor_Destructor:
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return parse_cpp_destructor(context, cur);
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case CXCursor_TypeAliasTemplateDecl:
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return parse_cpp_alias_template(context, cur);
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default:
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break;
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}
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auto msg = detail::format("unhandled cursor of kind '",
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detail::get_cursor_kind_spelling(cur).c_str(), "'");
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context.logger->log("libclang parser",
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diagnostic{std::move(msg), detail::make_location(cur), severity::warning});
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return nullptr;
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}
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catch (parse_error& ex)
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{
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context.logger->log("libclang parser", ex.get_diagnostic());
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return nullptr;
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}
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