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2f3df6137a
This adjusts header file includes for headers and source files in Core. In doing so, one dependency cycle is eliminated because all the includes from Core to that project were dead includes anyway. In places where some files in other projects were only compiling due to a transitive include from another header, fixups have been made so that those files also include the header they need. Tested on Windows and Linux, and plan to address failures on OSX and FreeBSD after watching the bots. llvm-svn: 299714
315 lines
9.1 KiB
C++
315 lines
9.1 KiB
C++
//===---------------------StructuredData.cpp ---------------------*- C++-*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/StructuredData.h"
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#include "lldb/Host/File.h"
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#include "lldb/Host/StringConvert.h"
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#include "lldb/Utility/DataBuffer.h"
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#include "lldb/Utility/Error.h"
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/Utility/JSON.h"
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#include "lldb/Utility/Stream.h" // for Stream
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#include "lldb/Utility/StreamString.h"
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#include "lldb/lldb-enumerations.h" // for FilePermissions::eFilePermiss...
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#include "lldb/lldb-forward.h" // for DataBufferSP
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#include "llvm/ADT/STLExtras.h" // for make_unique
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#include <limits> // for numeric_limits
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#include <errno.h>
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#include <inttypes.h>
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#include <stdio.h> // for printf
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#include <stdlib.h>
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#include <sys/types.h> // for off_t
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using namespace lldb_private;
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//----------------------------------------------------------------------
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// Functions that use a JSONParser to parse JSON into StructuredData
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//----------------------------------------------------------------------
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static StructuredData::ObjectSP ParseJSONValue(JSONParser &json_parser);
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static StructuredData::ObjectSP ParseJSONObject(JSONParser &json_parser);
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static StructuredData::ObjectSP ParseJSONArray(JSONParser &json_parser);
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StructuredData::ObjectSP
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StructuredData::ParseJSONFromFile(const FileSpec &input_spec, Error &error) {
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StructuredData::ObjectSP return_sp;
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if (!input_spec.Exists()) {
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error.SetErrorStringWithFormat("input file %s does not exist.",
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input_spec.GetPath().c_str());
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return return_sp;
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}
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File input_file(nullptr, File::OpenOptions::eOpenOptionRead,
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lldb::eFilePermissionsUserRead);
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std::string input_path = input_spec.GetPath();
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error =
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input_file.Open(input_path.c_str(), File::OpenOptions::eOpenOptionRead,
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lldb::eFilePermissionsUserRead);
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if (!error.Success()) {
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error.SetErrorStringWithFormat("could not open input file: %s - %s.",
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input_spec.GetPath().c_str(),
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error.AsCString());
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return return_sp;
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}
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lldb::DataBufferSP input_data;
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size_t num_bytes = std::numeric_limits<size_t>::max();
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off_t offset = 0;
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error = input_file.Read(num_bytes, offset, true, input_data);
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if (!error.Success()) {
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error.SetErrorStringWithFormat("could not read input file: %s - %s.",
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input_spec.GetPath().c_str(),
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error.AsCString());
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return return_sp;
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}
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JSONParser json_parser((char *)input_data->GetBytes());
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return_sp = ParseJSONValue(json_parser);
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return return_sp;
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}
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static StructuredData::ObjectSP ParseJSONObject(JSONParser &json_parser) {
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// The "JSONParser::Token::ObjectStart" token should have already been
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// consumed by the time this function is called
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auto dict_up = llvm::make_unique<StructuredData::Dictionary>();
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std::string value;
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std::string key;
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while (1) {
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JSONParser::Token token = json_parser.GetToken(value);
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if (token == JSONParser::Token::String) {
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key.swap(value);
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token = json_parser.GetToken(value);
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if (token == JSONParser::Token::Colon) {
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StructuredData::ObjectSP value_sp = ParseJSONValue(json_parser);
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if (value_sp)
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dict_up->AddItem(key, value_sp);
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else
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break;
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}
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} else if (token == JSONParser::Token::ObjectEnd) {
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return StructuredData::ObjectSP(dict_up.release());
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} else if (token == JSONParser::Token::Comma) {
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continue;
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} else {
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break;
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}
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}
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return StructuredData::ObjectSP();
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}
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static StructuredData::ObjectSP ParseJSONArray(JSONParser &json_parser) {
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// The "JSONParser::Token::ObjectStart" token should have already been
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// consumed
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// by the time this function is called
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auto array_up = llvm::make_unique<StructuredData::Array>();
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std::string value;
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std::string key;
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while (1) {
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StructuredData::ObjectSP value_sp = ParseJSONValue(json_parser);
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if (value_sp)
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array_up->AddItem(value_sp);
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else
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break;
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JSONParser::Token token = json_parser.GetToken(value);
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if (token == JSONParser::Token::Comma) {
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continue;
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} else if (token == JSONParser::Token::ArrayEnd) {
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return StructuredData::ObjectSP(array_up.release());
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} else {
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break;
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}
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}
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return StructuredData::ObjectSP();
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}
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static StructuredData::ObjectSP ParseJSONValue(JSONParser &json_parser) {
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std::string value;
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const JSONParser::Token token = json_parser.GetToken(value);
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switch (token) {
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case JSONParser::Token::ObjectStart:
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return ParseJSONObject(json_parser);
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case JSONParser::Token::ArrayStart:
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return ParseJSONArray(json_parser);
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case JSONParser::Token::Integer: {
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bool success = false;
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uint64_t uval = StringConvert::ToUInt64(value.c_str(), 0, 0, &success);
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if (success)
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return std::make_shared<StructuredData::Integer>(uval);
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} break;
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case JSONParser::Token::Float: {
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bool success = false;
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double val = StringConvert::ToDouble(value.c_str(), 0.0, &success);
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if (success)
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return std::make_shared<StructuredData::Float>(val);
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} break;
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case JSONParser::Token::String:
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return std::make_shared<StructuredData::String>(value);
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case JSONParser::Token::True:
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case JSONParser::Token::False:
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return std::make_shared<StructuredData::Boolean>(token ==
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JSONParser::Token::True);
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case JSONParser::Token::Null:
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return std::make_shared<StructuredData::Null>();
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default:
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break;
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}
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return StructuredData::ObjectSP();
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}
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StructuredData::ObjectSP StructuredData::ParseJSON(std::string json_text) {
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JSONParser json_parser(json_text.c_str());
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StructuredData::ObjectSP object_sp = ParseJSONValue(json_parser);
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return object_sp;
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}
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StructuredData::ObjectSP
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StructuredData::Object::GetObjectForDotSeparatedPath(llvm::StringRef path) {
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if (this->GetType() == Type::eTypeDictionary) {
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std::pair<llvm::StringRef, llvm::StringRef> match = path.split('.');
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std::string key = match.first.str();
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ObjectSP value = this->GetAsDictionary()->GetValueForKey(key);
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if (value.get()) {
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// Do we have additional words to descend? If not, return the
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// value we're at right now.
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if (match.second.empty()) {
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return value;
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} else {
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return value->GetObjectForDotSeparatedPath(match.second);
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}
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}
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return ObjectSP();
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}
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if (this->GetType() == Type::eTypeArray) {
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std::pair<llvm::StringRef, llvm::StringRef> match = path.split('[');
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if (match.second.size() == 0) {
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return this->shared_from_this();
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}
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errno = 0;
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uint64_t val = strtoul(match.second.str().c_str(), NULL, 10);
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if (errno == 0) {
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return this->GetAsArray()->GetItemAtIndex(val);
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}
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return ObjectSP();
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}
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return this->shared_from_this();
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}
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void StructuredData::Object::DumpToStdout(bool pretty_print) const {
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StreamString stream;
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Dump(stream, pretty_print);
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printf("%s\n", stream.GetData());
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}
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void StructuredData::Array::Dump(Stream &s, bool pretty_print) const {
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bool first = true;
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s << "[";
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if (pretty_print) {
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s << "\n";
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s.IndentMore();
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}
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for (const auto &item_sp : m_items) {
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if (first) {
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first = false;
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} else {
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s << ",";
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if (pretty_print)
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s << "\n";
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}
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if (pretty_print)
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s.Indent();
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item_sp->Dump(s, pretty_print);
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}
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if (pretty_print) {
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s.IndentLess();
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s.EOL();
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s.Indent();
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}
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s << "]";
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}
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void StructuredData::Integer::Dump(Stream &s, bool pretty_print) const {
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s.Printf("%" PRIu64, m_value);
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}
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void StructuredData::Float::Dump(Stream &s, bool pretty_print) const {
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s.Printf("%lg", m_value);
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}
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void StructuredData::Boolean::Dump(Stream &s, bool pretty_print) const {
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if (m_value == true)
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s.PutCString("true");
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else
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s.PutCString("false");
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}
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void StructuredData::String::Dump(Stream &s, bool pretty_print) const {
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std::string quoted;
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const size_t strsize = m_value.size();
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for (size_t i = 0; i < strsize; ++i) {
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char ch = m_value[i];
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if (ch == '"' || ch == '\\')
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quoted.push_back('\\');
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quoted.push_back(ch);
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}
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s.Printf("\"%s\"", quoted.c_str());
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}
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void StructuredData::Dictionary::Dump(Stream &s, bool pretty_print) const {
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bool first = true;
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s << "{";
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if (pretty_print) {
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s << "\n";
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s.IndentMore();
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}
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for (const auto &pair : m_dict) {
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if (first)
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first = false;
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else {
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s << ",";
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if (pretty_print)
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s << "\n";
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}
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if (pretty_print)
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s.Indent();
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s << "\"" << pair.first.AsCString() << "\" : ";
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pair.second->Dump(s, pretty_print);
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}
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if (pretty_print) {
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s.IndentLess();
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s.EOL();
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s.Indent();
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}
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s << "}";
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}
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void StructuredData::Null::Dump(Stream &s, bool pretty_print) const {
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s << "null";
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}
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void StructuredData::Generic::Dump(Stream &s, bool pretty_print) const {
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s << "0x" << m_object;
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}
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