| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <stdio.h> |
| |
| #include <map> |
| #include <mutex> |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include <llvm/ADT/StringRef.h> |
| |
| #include "Arch.h" |
| #include "CompilationType.h" |
| #include "Utils.h" |
| |
| namespace clang { |
| class ASTContext; |
| class Decl; |
| } |
| |
| enum class DeclarationType { |
| function, |
| variable, |
| inconsistent, |
| }; |
| |
| struct AvailabilityValues { |
| bool future = false; |
| int introduced = 0; |
| int deprecated = 0; |
| int obsoleted = 0; |
| |
| bool empty() const { |
| return !(future || introduced || deprecated || obsoleted); |
| } |
| |
| bool operator==(const AvailabilityValues& rhs) const { |
| return std::tie(introduced, deprecated, obsoleted) == |
| std::tie(rhs.introduced, rhs.deprecated, rhs.obsoleted); |
| } |
| |
| bool operator!=(const AvailabilityValues& rhs) const { |
| return !(*this == rhs); |
| } |
| }; |
| |
| std::string to_string(const AvailabilityValues& av); |
| |
| struct DeclarationAvailability { |
| AvailabilityValues global_availability; |
| ArchMap<AvailabilityValues> arch_availability; |
| |
| bool empty() const { |
| if (!global_availability.empty()) { |
| return false; |
| } |
| |
| for (const auto& it : arch_availability) { |
| if (!it.second.empty()) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool operator==(const DeclarationAvailability& rhs) const { |
| return std::tie(global_availability, arch_availability) == |
| std::tie(rhs.global_availability, rhs.arch_availability); |
| } |
| |
| bool operator!=(const DeclarationAvailability& rhs) const { |
| return !(*this == rhs); |
| } |
| |
| // Returns false if the availability declarations conflict. |
| bool merge(const DeclarationAvailability& other); |
| }; |
| |
| std::string to_string(const DeclarationAvailability& decl_av); |
| |
| struct FileLocation { |
| unsigned line; |
| unsigned column; |
| |
| bool operator<(const FileLocation& rhs) const { |
| return std::tie(line, column) < std::tie(rhs.line, rhs.column); |
| } |
| |
| bool operator==(const FileLocation& rhs) const { |
| return std::tie(line, column) == std::tie(rhs.line, rhs.column); |
| } |
| }; |
| |
| struct Location { |
| std::string filename; |
| FileLocation start; |
| FileLocation end; |
| |
| bool operator<(const Location& rhs) const { |
| return std::tie(filename, start, end) < std::tie(rhs.filename, rhs.start, rhs.end); |
| } |
| }; |
| |
| std::string to_string(const Location& loc); |
| |
| struct Declaration { |
| std::string name; |
| Location location; |
| |
| bool is_extern; |
| bool is_definition; |
| bool no_guard; |
| std::map<CompilationType, DeclarationAvailability> availability; |
| |
| bool calculateAvailability(DeclarationAvailability* output) const; |
| bool operator<(const Declaration& rhs) const { |
| return location < rhs.location; |
| } |
| |
| void dump(const std::string& base_path = "", FILE* out = stdout, unsigned indent = 0) const { |
| std::string indent_str(indent, ' '); |
| fprintf(out, "%s", indent_str.c_str()); |
| |
| fprintf(out, "%s ", is_extern ? "extern" : "static"); |
| fprintf(out, "%s ", is_definition ? "definition" : "declaration"); |
| if (no_guard) { |
| fprintf(out, "no_guard "); |
| } |
| fprintf(out, "@ %s:%u:%u", StripPrefix(location.filename, base_path).str().c_str(), |
| location.start.line, location.start.column); |
| |
| if (!availability.empty()) { |
| DeclarationAvailability avail; |
| |
| fprintf(out, "\n%s ", indent_str.c_str()); |
| if (!calculateAvailability(&avail)) { |
| fprintf(out, "invalid availability\n"); |
| } else { |
| fprintf(out, "%s\n", to_string(avail).c_str()); |
| } |
| } |
| } |
| }; |
| |
| struct Symbol { |
| std::string name; |
| std::map<Location, Declaration> declarations; |
| |
| bool calculateAvailability(DeclarationAvailability* output) const; |
| bool hasDeclaration(const CompilationType& type) const; |
| |
| bool operator<(const Symbol& rhs) const { |
| return name < rhs.name; |
| } |
| |
| bool operator==(const Symbol& rhs) const { |
| return name == rhs.name; |
| } |
| |
| void dump(const std::string& base_path = "", FILE* out = stdout) const { |
| DeclarationAvailability availability; |
| bool valid_availability = calculateAvailability(&availability); |
| fprintf(out, " %s: ", name.c_str()); |
| |
| if (valid_availability) { |
| fprintf(out, "%s\n", to_string(availability).c_str()); |
| } else { |
| fprintf(out, "invalid\n"); |
| } |
| |
| for (auto& it : declarations) { |
| it.second.dump(base_path, out, 4); |
| } |
| } |
| }; |
| |
| class HeaderDatabase { |
| std::mutex mutex; |
| |
| public: |
| std::map<std::string, Symbol> symbols; |
| |
| void parseAST(CompilationType type, clang::ASTContext& ast); |
| |
| void dump(const std::string& base_path = "", FILE* out = stdout) const { |
| fprintf(out, "HeaderDatabase contains %zu symbols:\n", symbols.size()); |
| for (const auto& pair : symbols) { |
| pair.second.dump(base_path, out); |
| } |
| } |
| }; |