femkromek/furlang
1
0
Fork 0
forked from KPGPMC/furlang
Code Pull Requests Activity

Use arena in parser

Browse Source 
Signed-off-by: CHatingPython <chatingpython@gmail.com>
This commit is contained in:
CHatingPython
2026-05-25 15:34:05 +02:00
committed by CHatingPython
parent d2cfbb6763
commit 156aa224ee
7 changed files with 62 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
furc/src/front/parser.cpp
+9 -6
View File
@@ -25,8 +25,8 @@ parser::parser(std::string_view filename)
m_lexer = { filename, m_content };
}
ast::node_handle<ast::program_node> parser::parse() {
auto program = std::make_shared<ast::program_node>();
ast::node_handle<ast::program_node> parser::parse() & {
auto program = m_arena.allocate_shared<ast::program_node>();
while (!m_lexer.empty()) {
program->push(std::move(parse_declaration()));
@@ -55,11 +55,14 @@ ast::node_handle<ast::declaration_node> parser::parse_declaration() {
case token_t::Lbrace: {
ast::function_body_handle body = parse_body();
if (body.error()) return body;
return ast::node_handle<ast::function_definition_node>{ first.location(), name, std::move(body) };
return ast::node_handle<ast::function_definition_node>{ first.location(),
m_arena,
name,
std::move(body) };
}
case token_t::Semicolon: {
m_peekBuffer.clear();
return ast::node_handle<ast::function_declarartion_node>{ first.location(), name };
return ast::node_handle<ast::function_declarartion_node>{ first.location(), m_arena, name };
}
case token_t::None:
case token_t::Identifier:
@@ -106,7 +109,7 @@ ast::node_handle<ast::statement_node> parser::parse_statement() {
auto err = eat_token(token_t::Semicolon);
if (err.error()) return err;
return ast::node_handle<ast::return_statement_node>{ tok.location() };
return ast::node_handle<ast::return_statement_node>{ tok.location(), m_arena };
}
default: break;
}
@@ -114,7 +117,7 @@ ast::node_handle<ast::statement_node> parser::parse_statement() {
auto declaration = parse_declaration();
if (declaration.error())
return { declaration.location(), "unexpected token "s + tok->type + ", expected statement" };
return ast::node_handle<ast::declaration_statement_node>{ declaration.location(), declaration };
return ast::node_handle<ast::declaration_statement_node>{ declaration.location(), m_arena, std::move(declaration) };
}
ast::function_body_handle parser::parse_body() {