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Parse tl-typedef

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This commit is contained in:
Sofia 2026-04-15 18:45:29 +03:00
parent 29fd757517
commit f283149090
1 changed files with 39 additions and 1 deletions
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40
src/parsing.cpp
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@ -404,7 +404,7 @@ namespace parsing {
} }
} }
Result<std::unique_ptr<AST::TopLevelStatement>, std::string> parse_top_level_statement(token::TokenStream& stream, Scope& scope) { Result<std::unique_ptr<AST::TopLevelStatement>, std::string> parse_function(token::TokenStream& stream, Scope& scope) {
token::TokenStream inner{ stream }; token::TokenStream inner{ stream };
auto before_meta = inner.metadata(); auto before_meta = inner.metadata();
try { try {
@ -492,4 +492,42 @@ namespace parsing {
return std::string(error.what()); return std::string(error.what());
} }
} }
Result<std::unique_ptr<AST::TopLevelStatement>, std::string> parse_tl_typedef(token::TokenStream& stream, Scope& scope) {
token::TokenStream inner{ stream };
auto before_meta = inner.metadata();
try {
auto ty = parse_type(inner, scope).unwrap();
stream.m_position = inner.m_position;
auto tl_typedef = new AST::TopLevelTypedef{
before_meta + stream.metadata(), ty
};
return std::unique_ptr<AST::TopLevelStatement>{tl_typedef};
}
catch (std::runtime_error& error) {
return std::string(error.what());
}
}
Result<std::unique_ptr<AST::TopLevelStatement>, std::string> parse_top_level_statement(token::TokenStream& stream, Scope& scope) {
token::TokenStream inner{ stream };
auto before_meta = inner.metadata();
try {
if (auto func = parse_function(inner, scope); func.ok()) {
stream.m_position = inner.m_position;
return func.unwrap();
}
else if (auto tl_typedef = parse_tl_typedef(inner, scope); tl_typedef.ok()) {
stream.m_position = inner.m_position;
return tl_typedef.unwrap();
}
else {
throw std::runtime_error("Expected top-level statement, got " + inner.peek().formatted());
}
}
catch (std::runtime_error& error) {
return std::string(error.what());
}
}
} }