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Introduce a procedure type

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This commit is contained in:
Eugen Wissner
2024-05-19 00:43:59 +02:00
parent 9f2c5ad9e3
commit ebd68d7878
8 changed files with 128 additions and 32 deletions
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1
include/elna/source/result.hpp
View File

@ -132,6 +132,7 @@ namespace elna::source
enum class operation
{
dereference,
argument
};
/**

11
include/elna/source/semantic.hpp
View File

@ -10,6 +10,7 @@ namespace elna::source
std::shared_ptr<symbol_table> table;
const std::filesystem::path filename;
std::list<std::unique_ptr<error>> m_errors;
const std::size_t pointer_size;
std::shared_ptr<const type> convert_declaration_type(const type_expression& ast_type) const;
@ -17,8 +18,10 @@ namespace elna::source
/**
* \param table Symbol table.
* \param path Source filename.
* \param target_pointer_size Pointer size on the target platform.
*/
name_analysis_visitor(std::shared_ptr<symbol_table> table, const std::filesystem::path& filename);
name_analysis_visitor(std::shared_ptr<symbol_table> table, const std::filesystem::path& filename,
const std::size_t target_pointer_size);
/**
* \return Collected errors.
@ -67,7 +70,7 @@ namespace elna::source
* \param target_pointer_size Pointer size on the target platform.
*/
type_analysis_visitor(std::shared_ptr<symbol_table> table, const std::filesystem::path& filename,
std::size_t target_pointer_size);
const std::size_t target_pointer_size);
/**
* \return Collected errors.
@ -75,9 +78,11 @@ namespace elna::source
const std::list<std::unique_ptr<error>>& errors() const noexcept;
void visit(program *program) override;
void visit(procedure_definition *definition) override;
void visit(procedure_definition *procedure) override;
void visit(integer_literal *literal) override;
void visit(boolean_literal *literal) override;
void visit(unary_expression *expression) override;
void visit(call_statement *statement) override;
void visit(constant_definition *definition) override;
};
}

15
include/elna/source/symbol_table.hpp
View File

@ -4,7 +4,6 @@
#include <unordered_map>
#include <string>
#include <memory>
#include <vector>
namespace elna::source
{
@ -40,11 +39,14 @@ namespace elna::source
*/
class constant_info final : public info
{
std::shared_ptr<const class type> m_type;
std::int32_t m_value;
public:
constant_info(const std::int32_t value);
constant_info(std::shared_ptr<const class type> type, const std::int32_t value);
~constant_info() override;
std::shared_ptr<const class type> type() const noexcept;
std::int32_t value() const noexcept;
};
@ -83,10 +85,13 @@ namespace elna::source
*/
class intrinsic_info : public info
{
public:
std::vector<parameter_info> parameter_infos;
std::shared_ptr<const class procedure_type> m_type;
public:
explicit intrinsic_info(const class procedure_type& type);
~intrinsic_info() override;
std::shared_ptr<const class procedure_type> type() const noexcept;
std::size_t parameter_stack_size() const noexcept;
};
@ -101,7 +106,7 @@ namespace elna::source
std::size_t local_stack_size{ 0 };
std::size_t argument_stack_size{ 0 };
explicit procedure_info(std::shared_ptr<symbol_table> outer_scope);
procedure_info(const class procedure_type& type, std::shared_ptr<symbol_table> outer_scope);
~procedure_info() override;
std::shared_ptr<symbol_table> scope();

18
include/elna/source/types.hpp
View File

@ -2,6 +2,7 @@
#include <memory>
#include <string>
#include <vector>
namespace elna::source
{
@ -61,6 +62,23 @@ namespace elna::source
pointer_type(std::shared_ptr<const type> base_type, const std::size_t byte_size);
};
/**
* Type of a procedure.
*/
struct procedure_type : public type
{
/// Argument types.
std::vector<std::shared_ptr<const type>> arguments;
/**
* Constructor.
*
* \param arguments Argument types.
* \param byte_size Function pointer size.
*/
procedure_type(std::vector<std::shared_ptr<const type>> arguments, const std::size_t byte_size);
};
inline const primitive_type boolean_type{ "Boolean", 1 };
inline const primitive_type int_type{ "Int", 4 };
}