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refactor(AST): improve literals

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Changed literal node to templated class and literals to aliases.
This commit is contained in:
Aleksander Krajewski
2026-06-03 14:13:28 +02:00
parent 52537e0955
commit d50bfc868f
6 changed files with 79 additions and 154 deletions
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furc/src/front/parser.cpp
+10 -21
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@@ -160,25 +160,6 @@ ast::expression_node_r parser::parse_expression(std::uint32_t precedence) {
return parse_expression_rhs(parse_expression_unary(precedence), precedence);
}
ast::literal_node_r parser::parse_literal() {
const auto& tok = peek_token();
switch (tok->type) {
case token_t::String: {
auto tok = next_token();
if (tok.has_error()) return ast::literal_node_r(ast::error{ tok.error().location });
return m_arena.allocate_shared<ast::string_literal_node>(tok->location, (*tok)->string);
}
case token_t::Integer: {
auto tok = next_token();
if (tok.has_error()) return ast::literal_node_r(ast::error{ tok.error().location });
return m_arena.allocate_shared<ast::integer_literal_node>(tok->location, (*tok)->integer);
}
default: break;
}
return ast::literal_node_r(ast::error{ tok->location });
}
ast::expression_node_r parser::parse_expression_primary() {
const auto& tok = peek_token();
switch (tok->type) {
@@ -194,9 +175,17 @@ ast::expression_node_r parser::parse_expression_primary() {
if (err.has_error()) return ast::expression_node_r(ast::error{ err.error().location });
return node;
}
case token_t::String: {
auto tok = next_token();
if (tok.has_error()) return ast::expression_node_r(ast::error{ tok.error().location });
return m_arena.allocate_shared<ast::string_literal_node>(tok->location, (*tok)->string);
}
case token_t::Integer: {
auto tok = next_token();
if (tok.has_error()) return ast::expression_node_r(ast::error{ tok.error().location });
return m_arena.allocate_shared<ast::integer_literal_node>(tok->location, (*tok)->integer);
}
default: {
auto literal = parse_literal();
if (literal.has_value()) return std::move(*literal);
return ast::expression_node_r(ast::error{ tok->location });
}
}