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type check error function

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ProgramSnail 2024-02-16 16:12:22 +03:00
parent 61fa3a19a0
commit 1a9408c2f6
4 changed files with 83 additions and 84 deletions
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18
include/type_check_utils.hpp
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@ -186,7 +186,8 @@ private:
class ContextHolder {
public:
ContextHolder(State &state, const nodes::Node &node,
error_handling::ErrorLog &error_log, nodes::MaybeTypeProxy* context_exit_type)
error_handling::ErrorLog &error_log,
nodes::MaybeTypeProxy *context_exit_type)
: state_(state), context_exit_type_(context_exit_type) {
state.enter_context(node, error_log);
}
@ -198,16 +199,16 @@ public:
ContextHolder &operator=(ContextHolder &&) = delete;
~ContextHolder() {
if (context_exit_type_) {
*context_exit_type_ = state_.exit_context();
} else {
state_.exit_context();
}
if (context_exit_type_) {
*context_exit_type_ = state_.exit_context();
} else {
state_.exit_context();
}
}
private:
State &state_;
nodes::MaybeTypeProxy* context_exit_type_;
nodes::MaybeTypeProxy *context_exit_type_;
};
nodes::TypeCheckResult type_same_to_expected(
@ -225,4 +226,7 @@ find_name_definition_handle_errors(const std::string &name,
const nodes::Node &node,
SourcesManager &sources_manager);
void type_check_error(const std::string &message, const nodes::Node &node,
SourcesManager &sources_manager);
} // namespace type_check

16
include/utils.hpp
View file

@ -11,3 +11,19 @@ inline void handle_general_error(const std::string &message) {
}
} // namespace error_handling
namespace utils {
// in std from c++23
[[noreturn]] inline void unreachable() {
// Uses compiler specific extensions if possible.
// Even if no extension is used, undefined behavior is still raised by
// an empty function body and the noreturn attribute.
#if defined(_MSC_VER) && !defined(__clang__) // MSVC
__assume(false);
#else // GCC, Clang
__builtin_unreachable();
#endif
}
} // namespace utils