| Index: chrome/tools/profile_reset/jtl_compiler.cc
|
| diff --git a/chrome/tools/profile_reset/jtl_compiler.cc b/chrome/tools/profile_reset/jtl_compiler.cc
|
| deleted file mode 100644
|
| index ffa5ec27b664ca8b4537b8b687cca99071dedd02..0000000000000000000000000000000000000000
|
| --- a/chrome/tools/profile_reset/jtl_compiler.cc
|
| +++ /dev/null
|
| @@ -1,252 +0,0 @@
|
| -// Copyright 2013 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "chrome/tools/profile_reset/jtl_compiler.h"
|
| -
|
| -#include <limits>
|
| -#include <map>
|
| -#include <numeric>
|
| -
|
| -#include "base/logging.h"
|
| -#include "chrome/browser/profile_resetter/jtl_foundation.h"
|
| -#include "chrome/tools/profile_reset/jtl_parser.h"
|
| -
|
| -namespace jtl = jtl_foundation;
|
| -
|
| -namespace {
|
| -
|
| -// Serializes symbols into byte-code in a streaming manner.
|
| -class ByteCodeWriter {
|
| - public:
|
| - explicit ByteCodeWriter(std::string* output) : output_(output) {}
|
| - ~ByteCodeWriter() {}
|
| -
|
| - void WriteUint8(uint8 value) { output_->push_back(static_cast<char>(value)); }
|
| - void WriteUint32(uint32 value) {
|
| - for (int i = 0; i < 4; ++i) {
|
| - output_->push_back(static_cast<char>(value & 0xFFu));
|
| - value >>= 8;
|
| - }
|
| - }
|
| - void WriteOpCode(uint8 op_code) { WriteUint8(op_code); }
|
| - void WriteHash(const std::string& hash) {
|
| - CHECK(jtl::Hasher::IsHash(hash));
|
| - *output_ += hash;
|
| - }
|
| - void WriteBool(bool value) { WriteUint8(value ? 1u : 0u); }
|
| -
|
| - private:
|
| - std::string* output_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(ByteCodeWriter);
|
| -};
|
| -
|
| -// Encapsulates meta-data about all instructions, and is capable of transcoding
|
| -// each instruction from a parsed text-based format to byte-code.
|
| -class InstructionSet {
|
| - public:
|
| - InstructionSet() {
|
| - // Define each instruction in this list.
|
| - // Note:
|
| - // - Instructions ending in "hash" will write their 'HashString' arguments
|
| - // directly into the byte-code.
|
| - // - Instructions ending in "hashed" will first hash their 'String'
|
| - // arguments, and will write this hash to the byte-code.
|
| - Add(Instruction("go", jtl::NAVIGATE, Arguments(String)));
|
| - Add(Instruction("any", jtl::NAVIGATE_ANY, Arguments()));
|
| - Add(Instruction("back", jtl::NAVIGATE_BACK, Arguments()));
|
| - Add(Instruction("store_bool", jtl::STORE_BOOL, Arguments(String, Bool)));
|
| - Add(Instruction("store_hash",
|
| - jtl::STORE_HASH, Arguments(String, HashString)));
|
| - Add(Instruction("store_hashed",
|
| - jtl::STORE_HASH, Arguments(String, String)));
|
| - Add(Instruction("store_node_bool",
|
| - jtl::STORE_NODE_BOOL, Arguments(String)));
|
| - Add(Instruction("store_node_hash",
|
| - jtl::STORE_NODE_HASH, Arguments(String)));
|
| - Add(Instruction("store_node_registerable_domain_hash",
|
| - jtl::STORE_NODE_REGISTERABLE_DOMAIN_HASH,
|
| - Arguments(String)));
|
| - Add(Instruction("compare_bool", jtl::COMPARE_NODE_BOOL, Arguments(Bool)));
|
| - Add(Instruction("compare_hashed",
|
| - jtl::COMPARE_NODE_HASH, Arguments(String)));
|
| - Add(Instruction("compare_hashed_not",
|
| - jtl::COMPARE_NODE_HASH_NOT, Arguments(String)));
|
| - Add(Instruction("compare_stored_bool",
|
| - jtl::COMPARE_STORED_BOOL,
|
| - Arguments(String, Bool, Bool)));
|
| - Add(Instruction("compare_stored_hashed",
|
| - jtl::COMPARE_STORED_HASH,
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| - Arguments(String, String, String)));
|
| - Add(Instruction("compare_to_stored_bool",
|
| - jtl::COMPARE_NODE_TO_STORED_BOOL,
|
| - Arguments(String)));
|
| - Add(Instruction("compare_to_stored_hash",
|
| - jtl::COMPARE_NODE_TO_STORED_HASH,
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| - Arguments(String)));
|
| - Add(Instruction("compare_substring_hashed",
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| - jtl::COMPARE_NODE_SUBSTRING,
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| - Arguments(StringPattern)));
|
| - Add(Instruction("break", jtl::STOP_EXECUTING_SENTENCE, Arguments()));
|
| - }
|
| -
|
| - JtlCompiler::CompileError::ErrorCode TranscodeInstruction(
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| - const std::string& name,
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| - const base::ListValue& arguments,
|
| - bool ends_sentence,
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| - const jtl::Hasher& hasher,
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| - ByteCodeWriter* target) const {
|
| - if (instruction_map_.count(name) == 0)
|
| - return JtlCompiler::CompileError::INVALID_OPERATION_NAME;
|
| - const Instruction& instruction(instruction_map_.at(name));
|
| - if (instruction.argument_types.size() != arguments.GetSize())
|
| - return JtlCompiler::CompileError::INVALID_ARGUMENT_COUNT;
|
| - target->WriteOpCode(instruction.op_code);
|
| - for (size_t i = 0; i < arguments.GetSize(); ++i) {
|
| - switch (instruction.argument_types[i]) {
|
| - case Bool: {
|
| - bool value = false;
|
| - if (!arguments.GetBoolean(i, &value))
|
| - return JtlCompiler::CompileError::INVALID_ARGUMENT_TYPE;
|
| - target->WriteBool(value);
|
| - break;
|
| - }
|
| - case String: {
|
| - std::string value;
|
| - if (!arguments.GetString(i, &value))
|
| - return JtlCompiler::CompileError::INVALID_ARGUMENT_TYPE;
|
| - target->WriteHash(hasher.GetHash(value));
|
| - break;
|
| - }
|
| - case StringPattern: {
|
| - std::string value;
|
| - if (!arguments.GetString(i, &value))
|
| - return JtlCompiler::CompileError::INVALID_ARGUMENT_TYPE;
|
| - if (value.empty() ||
|
| - value.size() > std::numeric_limits<uint32>::max())
|
| - return JtlCompiler::CompileError::INVALID_ARGUMENT_VALUE;
|
| - target->WriteHash(hasher.GetHash(value));
|
| - target->WriteUint32(static_cast<uint32>(value.size()));
|
| - uint32 pattern_sum = std::accumulate(
|
| - value.begin(), value.end(), static_cast<uint32>(0u));
|
| - target->WriteUint32(pattern_sum);
|
| - break;
|
| - }
|
| - case HashString: {
|
| - std::string hash_value;
|
| - if (!arguments.GetString(i, &hash_value) ||
|
| - !jtl::Hasher::IsHash(hash_value))
|
| - return JtlCompiler::CompileError::INVALID_ARGUMENT_TYPE;
|
| - target->WriteHash(hash_value);
|
| - break;
|
| - }
|
| - default:
|
| - NOTREACHED();
|
| - return JtlCompiler::CompileError::INVALID_ARGUMENT_TYPE;
|
| - }
|
| - }
|
| - if (ends_sentence)
|
| - target->WriteOpCode(jtl::END_OF_SENTENCE);
|
| - return JtlCompiler::CompileError::ERROR_NONE;
|
| - }
|
| -
|
| - private:
|
| - // The possible types of an operation's argument.
|
| - enum ArgumentType {
|
| - None,
|
| - Bool,
|
| - String,
|
| - StringPattern,
|
| - HashString
|
| - };
|
| -
|
| - // Encapsulates meta-data about one instruction.
|
| - struct Instruction {
|
| - Instruction() : op_code(jtl::END_OF_SENTENCE) {}
|
| - Instruction(const char* name,
|
| - jtl_foundation::OpCodes op_code,
|
| - const std::vector<ArgumentType>& argument_types)
|
| - : name(name), op_code(op_code), argument_types(argument_types) {}
|
| -
|
| - std::string name;
|
| - jtl::OpCodes op_code;
|
| - std::vector<ArgumentType> argument_types;
|
| - };
|
| -
|
| - static std::vector<ArgumentType> Arguments(ArgumentType arg1_type = None,
|
| - ArgumentType arg2_type = None,
|
| - ArgumentType arg3_type = None) {
|
| - std::vector<ArgumentType> result;
|
| - if (arg1_type != None)
|
| - result.push_back(arg1_type);
|
| - if (arg2_type != None)
|
| - result.push_back(arg2_type);
|
| - if (arg3_type != None)
|
| - result.push_back(arg3_type);
|
| - return result;
|
| - }
|
| -
|
| - void Add(const Instruction& instruction) {
|
| - instruction_map_[instruction.name] = instruction;
|
| - }
|
| -
|
| - std::map<std::string, Instruction> instruction_map_;
|
| -
|
| - DISALLOW_COPY_AND_ASSIGN(InstructionSet);
|
| -};
|
| -
|
| -} // namespace
|
| -
|
| -bool JtlCompiler::Compile(const std::string& source_code,
|
| - const std::string& hash_seed,
|
| - std::string* output_bytecode,
|
| - CompileError* error_details) {
|
| - DCHECK(output_bytecode);
|
| - InstructionSet instruction_set;
|
| - ByteCodeWriter bytecode_writer(output_bytecode);
|
| - jtl::Hasher hasher(hash_seed);
|
| -
|
| - std::string compacted_source_code;
|
| - std::vector<size_t> newline_indices;
|
| - size_t mismatched_quotes_line;
|
| - if (!JtlParser::RemoveCommentsAndAllWhitespace(source_code,
|
| - &compacted_source_code,
|
| - &newline_indices,
|
| - &mismatched_quotes_line)) {
|
| - if (error_details) {
|
| - error_details->context = ""; // No meaningful intra-line context here.
|
| - error_details->line_number = mismatched_quotes_line;
|
| - error_details->error_code = CompileError::MISMATCHED_DOUBLE_QUOTES;
|
| - }
|
| - return false;
|
| - }
|
| -
|
| - JtlParser parser(compacted_source_code, newline_indices);
|
| - while (!parser.HasFinished()) {
|
| - std::string operation_name;
|
| - base::ListValue arguments;
|
| - bool ends_sentence = false;
|
| - if (!parser.ParseNextOperation(
|
| - &operation_name, &arguments, &ends_sentence)) {
|
| - if (error_details) {
|
| - error_details->context = parser.GetLastContext();
|
| - error_details->line_number = parser.GetLastLineNumber();
|
| - error_details->error_code = CompileError::PARSING_ERROR;
|
| - }
|
| - return false;
|
| - }
|
| - CompileError::ErrorCode error_code = instruction_set.TranscodeInstruction(
|
| - operation_name, arguments, ends_sentence, hasher, &bytecode_writer);
|
| - if (error_code != CompileError::ERROR_NONE) {
|
| - if (error_details) {
|
| - error_details->context = parser.GetLastContext();
|
| - error_details->line_number = parser.GetLastLineNumber();
|
| - error_details->error_code = error_code;
|
| - }
|
| - return false;
|
| - }
|
| - }
|
| -
|
| - return true;
|
| -}
|
|
|