Files
interpreter-cpp/test/utils/utils.hpp
Karma Riuk c943380d58 moved the utils for the parser to a global utils
folder for the tests (that utils is includable
only by the tests and not the src code, I added a
compiler flag only for the tests in the makefile,
but the compiler_flags.txt is global for the lsp,
gotta be careful with that)
2025-07-19 13:27:25 +02:00

74 lines
2.2 KiB
C++

#include "ast/ast.hpp"
#include "lexer/lexer.hpp"
#include "parser/parser.hpp"
#include <any>
#include <cxxabi.h>
#include <doctest.h>
#include <memory>
#include <sstream>
namespace test::utils {
void check_parser_errors(const std::vector<ast::error::error*>&);
namespace {
std::string demangle(const char* name) {
int status = 0;
std::unique_ptr<char, decltype(&std::free)> demangled(
abi::__cxa_demangle(name, nullptr, nullptr, &status),
&std::free
);
return (status == 0 && demangled) ? demangled.get() : name;
}
template <typename T, typename Base>
T* cast_impl(Base* base) {
static_assert(
std::is_base_of_v<Base, T>,
"T must be derived from Base"
);
T* t;
REQUIRE_NOTHROW(t = dynamic_cast<T*>(base));
REQUIRE_MESSAGE(
t != nullptr,
"Couldn't cast " * demangle(typeid(*base).name())
* " (given as " * demangle(typeid(Base).name()) * ")"
* " to a " * demangle(typeid(T).name())
);
return t;
}
} // namespace
// Overloads for your known base types
template <typename T>
T* cast(ast::node* stmt) {
return cast_impl<T, ast::node>(stmt);
}
template <typename T>
T* cast(ast::error::error* err) {
return cast_impl<T, ast::error::error>(err);
}
struct ParserFixture {
std::stringstream input;
std::unique_ptr<lexer::lexer> lexer;
std::unique_ptr<parser::parser> parser;
std::unique_ptr<ast::program> program;
ParserFixture() = default;
void setup(std::string);
};
void test_identifier(ast::expression*, std::string);
void test_integer_literal(ast::expression*, int);
void test_boolean_literal(ast::expression*, bool);
void test_literal_expression(ast::expression*, std::any&);
void
test_infix_expression(ast::expression*, std::any, std::string, std::any);
void test_failing_parsing(std::string, std::vector<token::type>, int = 0);
} // namespace test::utils