Parse listinitializer
This commit is contained in:
parent
aa698c7ed6
commit
55388bc6e3
@ -71,9 +71,49 @@ namespace parsing {
|
||||
}
|
||||
}
|
||||
|
||||
Result<std::unique_ptr<AST::Expression>, std::string> parse_list_initializer(token::TokenStream& stream) {
|
||||
token::TokenStream inner{ stream };
|
||||
try {
|
||||
auto before_meta = inner.metadata();
|
||||
|
||||
inner.expect(token::Type::Symbol, "{");
|
||||
|
||||
std::vector<std::unique_ptr<AST::Expression>> expressions{};
|
||||
|
||||
int counter = 0;
|
||||
while (inner.peek().content != "}") {
|
||||
if (counter++ > 0) {
|
||||
inner.expect(token::Type::Symbol, ",");
|
||||
}
|
||||
expressions.push_back(parse_expression(inner).unwrap());
|
||||
}
|
||||
|
||||
inner.expect(token::Type::Symbol, "}");
|
||||
|
||||
stream.m_position = inner.m_position;
|
||||
return std::unique_ptr<AST::Expression> {
|
||||
new AST::ListInitializerExpression(
|
||||
before_meta + inner.metadata(),
|
||||
std::move(expressions),
|
||||
std::shared_ptr<types::Type> {
|
||||
new types::FundamentalType{ types::FundamentalTypeKind::Any }
|
||||
})
|
||||
};
|
||||
}
|
||||
catch (std::runtime_error& error) {
|
||||
return std::string{ error.what() };
|
||||
}
|
||||
}
|
||||
|
||||
Result<std::unique_ptr<AST::Expression>, std::string> parse_plain_expression(token::TokenStream& stream) {
|
||||
token::TokenStream inner{ stream };
|
||||
try {
|
||||
if (auto list_init = parse_list_initializer(inner); list_init.ok()) {
|
||||
stream.m_position = inner.m_position;
|
||||
|
||||
return std::unique_ptr<AST::Expression> { list_init.unwrap() };
|
||||
}
|
||||
|
||||
auto token = inner.next();
|
||||
if (token.type == token::Type::LiteralInt) {
|
||||
stream.m_position = inner.m_position;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user