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LibCpp: Convert ScopeLogger to use AK:SourceLocation

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Utilize AK::SourceLocation to get function information into
the scope logger, instead of relying on pre-processor macros.
This commit is contained in:
Brian Gianforcaro 2021-04-24 20:05:38 -07:00 committed by Andreas Kling
parent 357a13b404
commit 7a73f11005
Notes: sideshowbarker 2024-07-18 19:08:32 +09:00 
Author: https://github.com/bgianfo
Commit: https://github.com/SerenityOS/serenity/commit/7a73f110057
Pull-request: https://github.com/SerenityOS/serenity/pull/6623
2 changed files with 35 additions and 37 deletions
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22
AK/ScopeLogger.h
View File

@ -6,21 +6,21 @@
#pragma once
#include <AK/SourceLocation.h>
#include <AK/StringBuilder.h>
#ifdef DEBUG_SPAM
namespace AK {
class ScopeLogger {
public:
ScopeLogger(StringView&& fun)
: m_fun(fun)
#ifdef DEBUG_SPAM
ScopeLogger(const SourceLocation& location = SourceLocation::current())
: m_location(location)
{
StringBuilder sb;
for (auto indent = m_depth++; indent > 0; indent--)
sb.append(' ');
dbgln("\033[1;{}m{}entering {}\033[0m", m_depth % 8 + 30, sb.to_string(), m_fun);
dbgln("\033[1;{}m{}entering {}\033[0m", m_depth % 8 + 30, sb.to_string(), m_location);
}
~ScopeLogger()
{
@ -28,18 +28,16 @@ public:
for (auto indent = --m_depth; indent > 0; indent--)
sb.append(' ');
dbgln("\033[1;{}m{}leaving {}\033[0m", (m_depth + 1) % 8 + 30, sb.to_string(), m_fun);
dbgln("\033[1;{}m{}leaving {}\033[0m", (m_depth + 1) % 8 + 30, sb.to_string(), m_location);
}
private:
static inline size_t m_depth = 0;
StringView m_fun;
SourceLocation m_location;
#else
ScopeLogger() = default;
#endif
};
}
using AK::ScopeLogger;
# define SCOPE_LOGGER() auto tmp##__COUNTER__ = ScopeLogger(__PRETTY_FUNCTION__);
#else
# define SCOPE_LOGGER()
#endif

50
Userland/Libraries/LibCpp/Parser.cpp
View File

@ -54,7 +54,7 @@ void Parser::initialize_program_tokens(const StringView& program)
NonnullRefPtr<TranslationUnit> Parser::parse()
{
SCOPE_LOGGER();
ScopeLogger logger {};
if (m_tokens.is_empty())
return create_root_ast_node({}, {});
auto unit = create_root_ast_node(m_tokens.first().start(), m_tokens.last().end());
@ -156,7 +156,7 @@ NonnullRefPtr<FunctionDeclaration> Parser::parse_function_declaration(ASTNode& p
NonnullRefPtr<FunctionDefinition> Parser::parse_function_definition(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto func = create_ast_node<FunctionDefinition>(parent, position(), {});
consume(Token::Type::LeftCurly);
while (!eof() && peek().type() != Token::Type::RightCurly) {
@ -170,7 +170,7 @@ NonnullRefPtr<FunctionDefinition> Parser::parse_function_definition(ASTNode& par
NonnullRefPtr<Statement> Parser::parse_statement(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
ArmedScopeGuard consume_semicolon([this]() {
consume(Token::Type::Semicolon);
});
@ -222,7 +222,7 @@ bool Parser::match_block_statement()
NonnullRefPtr<BlockStatement> Parser::parse_block_statement(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto block_statement = create_ast_node<BlockStatement>(parent, position(), {});
consume(Token::Type::LeftCurly);
while (!eof() && peek().type() != Token::Type::RightCurly) {
@ -269,7 +269,7 @@ bool Parser::match_template_arguments()
NonnullRefPtrVector<Type> Parser::parse_template_arguments(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
consume(Token::Type::Less);
@ -285,7 +285,7 @@ NonnullRefPtrVector<Type> Parser::parse_template_arguments(ASTNode& parent)
bool Parser::match_variable_declaration()
{
SCOPE_LOGGER();
ScopeLogger logger {};
save_state();
ScopeGuard state_guard = [this] { load_state(); };
@ -316,7 +316,7 @@ bool Parser::match_variable_declaration()
NonnullRefPtr<VariableDeclaration> Parser::parse_variable_declaration(ASTNode& parent, bool expect_semicolon)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto var = create_ast_node<VariableDeclaration>(parent, position(), {});
if (!match_variable_declaration()) {
error("unexpected token for variable type");
@ -344,7 +344,7 @@ NonnullRefPtr<VariableDeclaration> Parser::parse_variable_declaration(ASTNode& p
NonnullRefPtr<Expression> Parser::parse_expression(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto expression = parse_primary_expression(parent);
// TODO: remove eof() logic, should still work without it
if (eof() || match(Token::Type::Semicolon)) {
@ -406,7 +406,7 @@ bool Parser::match_secondary_expression()
NonnullRefPtr<Expression> Parser::parse_primary_expression(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
// TODO: remove eof() logic, should still work without it
if (eof()) {
auto node = create_ast_node<Identifier>(parent, position(), position());
@ -536,7 +536,7 @@ NonnullRefPtr<Expression> Parser::parse_literal(ASTNode& parent)
NonnullRefPtr<Expression> Parser::parse_secondary_expression(ASTNode& parent, NonnullRefPtr<Expression> lhs)
{
SCOPE_LOGGER();
ScopeLogger logger {};
switch (peek().type()) {
case Token::Type::Plus:
return parse_binary_expression(parent, lhs, BinaryOp::Addition);
@ -689,7 +689,7 @@ bool Parser::match_function_declaration()
Optional<NonnullRefPtrVector<Parameter>> Parser::parse_parameter_list(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
NonnullRefPtrVector<Parameter> parameters;
while (peek().type() != Token::Type::RightParen && !eof()) {
if (match_ellipsis()) {
@ -739,7 +739,7 @@ bool Parser::match_preprocessor()
void Parser::consume_preprocessor()
{
SCOPE_LOGGER();
ScopeLogger logger {};
switch (peek().type()) {
case Token::Type::PreprocessorStatement:
consume();
@ -756,7 +756,7 @@ void Parser::consume_preprocessor()
Optional<Token> Parser::consume_whitespace()
{
SCOPE_LOGGER();
ScopeLogger logger {};
return consume(Token::Type::Whitespace);
}
@ -832,7 +832,7 @@ String Parser::text_in_range(Position start, Position end) const
void Parser::error(StringView message)
{
SCOPE_LOGGER();
ScopeLogger logger {};
if (message.is_null() || message.is_empty())
message = "<empty>";
String formatted_message;
@ -937,7 +937,7 @@ void Parser::print_tokens() const
NonnullRefPtr<StringLiteral> Parser::parse_string_literal(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
Optional<size_t> start_token_index;
Optional<size_t> end_token_index;
while (!eof()) {
@ -971,7 +971,7 @@ NonnullRefPtr<StringLiteral> Parser::parse_string_literal(ASTNode& parent)
NonnullRefPtr<ReturnStatement> Parser::parse_return_statement(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto return_statement = create_ast_node<ReturnStatement>(parent, position(), {});
consume(Token::Type::Keyword);
if (!peek(Token::Type::Semicolon).has_value()) {
@ -984,7 +984,7 @@ NonnullRefPtr<ReturnStatement> Parser::parse_return_statement(ASTNode& parent)
NonnullRefPtr<EnumDeclaration> Parser::parse_enum_declaration(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto enum_decl = create_ast_node<EnumDeclaration>(parent, position(), {});
consume_keyword("enum");
auto name_token = consume(Token::Type::Identifier);
@ -1031,7 +1031,7 @@ bool Parser::match_keyword(const String& keyword)
NonnullRefPtr<StructOrClassDeclaration> Parser::parse_struct_or_class_declaration(ASTNode& parent, StructOrClassDeclaration::Type type)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto decl = create_ast_node<StructOrClassDeclaration>(parent, position(), {}, type);
switch (type) {
case StructOrClassDeclaration::Type::Struct:
@ -1058,7 +1058,7 @@ NonnullRefPtr<StructOrClassDeclaration> Parser::parse_struct_or_class_declaratio
NonnullRefPtr<MemberDeclaration> Parser::parse_member_declaration(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto member_decl = create_ast_node<MemberDeclaration>(parent, position(), {});
member_decl->m_type = parse_type(*member_decl);
@ -1077,7 +1077,7 @@ NonnullRefPtr<MemberDeclaration> Parser::parse_member_declaration(ASTNode& paren
NonnullRefPtr<BooleanLiteral> Parser::parse_boolean_literal(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto token = consume(Token::Type::Keyword);
auto text = text_of_token(token);
// text == "true" || text == "false";
@ -1096,7 +1096,7 @@ bool Parser::match_boolean_literal()
NonnullRefPtr<Type> Parser::parse_type(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
if (!match_type()) {
auto token = consume();
@ -1134,7 +1134,7 @@ NonnullRefPtr<Type> Parser::parse_type(ASTNode& parent)
NonnullRefPtr<ForStatement> Parser::parse_for_statement(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto for_statement = create_ast_node<ForStatement>(parent, position(), {});
consume(Token::Type::Keyword);
consume(Token::Type::LeftParen);
@ -1158,7 +1158,7 @@ NonnullRefPtr<ForStatement> Parser::parse_for_statement(ASTNode& parent)
NonnullRefPtr<IfStatement> Parser::parse_if_statement(ASTNode& parent)
{
SCOPE_LOGGER();
ScopeLogger logger {};
auto if_statement = create_ast_node<IfStatement>(parent, position(), {});
consume(Token::Type::Keyword);
consume(Token::Type::LeftParen);
@ -1176,7 +1176,7 @@ NonnullRefPtr<IfStatement> Parser::parse_if_statement(ASTNode& parent)
}
Vector<StringView> Parser::parse_type_qualifiers()
{
SCOPE_LOGGER();
ScopeLogger logger {};
Vector<StringView> qualifiers;
while (!eof()) {
auto token = peek();
@ -1195,7 +1195,7 @@ Vector<StringView> Parser::parse_type_qualifiers()
Vector<StringView> Parser::parse_function_qualifiers()
{
SCOPE_LOGGER();
ScopeLogger logger {};
Vector<StringView> qualifiers;
while (!eof()) {
auto token = peek();