mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
127 lines
4 KiB
C++
127 lines
4 KiB
C++
/*
|
|
* Copyright (c) 2020, Emanuel Sprung <emanuel.sprung@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/StringBuilder.h>
|
|
#include <LibRegex/RegexMatcher.h>
|
|
|
|
namespace regex {
|
|
|
|
class RegexDebug {
|
|
public:
|
|
RegexDebug(FILE* file = stdout)
|
|
: m_file(file)
|
|
{
|
|
}
|
|
|
|
virtual ~RegexDebug() = default;
|
|
|
|
template<typename T>
|
|
void print_raw_bytecode(Regex<T>& regex) const
|
|
{
|
|
auto& bytecode = regex.parser_result.bytecode;
|
|
size_t index { 0 };
|
|
for (auto& value : bytecode) {
|
|
outln(m_file, "OpCode i={:3} [{:#02X}]", index, (u32)value);
|
|
++index;
|
|
}
|
|
}
|
|
|
|
template<typename T>
|
|
void print_bytecode(Regex<T> const& regex) const
|
|
{
|
|
print_bytecode(regex.parser_result.bytecode);
|
|
}
|
|
|
|
void print_bytecode(ByteCode const& bytecode) const
|
|
{
|
|
MatchState state;
|
|
for (;;) {
|
|
auto& opcode = bytecode.get_opcode(state);
|
|
print_opcode("PrintBytecode", opcode, state);
|
|
out(m_file, "{}", m_debug_stripline);
|
|
|
|
if (is<OpCode_Exit>(opcode))
|
|
break;
|
|
|
|
state.instruction_position += opcode.size();
|
|
}
|
|
|
|
fflush(m_file);
|
|
}
|
|
|
|
void print_opcode(ByteString const& system, OpCode& opcode, MatchState& state, size_t recursion = 0, bool newline = true) const
|
|
{
|
|
out(m_file, "{:15} | {:5} | {:9} | {:35} | {:30} | {:20}",
|
|
system.characters(),
|
|
state.instruction_position,
|
|
recursion,
|
|
opcode.to_byte_string().characters(),
|
|
opcode.arguments_string().characters(),
|
|
ByteString::formatted("ip: {:3}, sp: {:3}", state.instruction_position, state.string_position));
|
|
if (newline)
|
|
outln();
|
|
if (newline && is<OpCode_Compare>(opcode)) {
|
|
for (auto& line : to<OpCode_Compare>(opcode).variable_arguments_to_byte_string())
|
|
outln(m_file, "{:15} | {:5} | {:9} | {:35} | {:30} | {:20}", "", "", "", "", line, "");
|
|
}
|
|
}
|
|
|
|
void print_result(OpCode const& opcode, ByteCode const& bytecode, MatchInput const& input, MatchState& state, ExecutionResult result) const
|
|
{
|
|
StringBuilder builder;
|
|
builder.append(execution_result_name(result));
|
|
builder.appendff(", fc: {}, ss: {}", input.fail_counter, input.saved_positions.size());
|
|
if (result == ExecutionResult::Succeeded) {
|
|
builder.appendff(", ip: {}/{}, sp: {}/{}", state.instruction_position, bytecode.size() - 1, state.string_position, input.view.length() - 1);
|
|
} else if (result == ExecutionResult::Fork_PrioHigh) {
|
|
builder.appendff(", next ip: {}", state.fork_at_position + opcode.size());
|
|
} else if (result != ExecutionResult::Failed) {
|
|
builder.appendff(", next ip: {}", state.instruction_position + opcode.size());
|
|
}
|
|
|
|
outln(m_file, " | {:20}", builder.to_byte_string());
|
|
|
|
if (is<OpCode_Compare>(opcode)) {
|
|
for (auto& line : to<OpCode_Compare>(opcode).variable_arguments_to_byte_string(input)) {
|
|
outln(m_file, "{:15} | {:5} | {:9} | {:35} | {:30} | {:20}", "", "", "", "", line, "");
|
|
}
|
|
}
|
|
|
|
out(m_file, "{}", m_debug_stripline);
|
|
}
|
|
|
|
void print_header()
|
|
{
|
|
StringBuilder builder;
|
|
builder.appendff("{:15} | {:5} | {:9} | {:35} | {:30} | {:20} | {:20}\n", "System", "Index", "Recursion", "OpCode", "Arguments", "State", "Result");
|
|
auto length = builder.length();
|
|
for (size_t i = 0; i < length; ++i) {
|
|
builder.append('=');
|
|
}
|
|
auto str = builder.to_byte_string();
|
|
VERIFY(!str.is_empty());
|
|
|
|
outln(m_file, "{}", str);
|
|
fflush(m_file);
|
|
|
|
builder.clear();
|
|
for (size_t i = 0; i < length; ++i) {
|
|
builder.append('-');
|
|
}
|
|
builder.append('\n');
|
|
m_debug_stripline = builder.to_byte_string();
|
|
}
|
|
|
|
private:
|
|
ByteString m_debug_stripline;
|
|
FILE* m_file;
|
|
};
|
|
|
|
}
|
|
|
|
using regex::RegexDebug;
|