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WIP doing the massive refactor... also started setup an experimental new layout for the AST..

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This commit is contained in:
Edward R. Gonzalez
2023-07-14 01:37:22 -04:00
parent 7a2e20bcdb
commit 7133dc0a95
5 changed files with 526 additions and 559 deletions
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166
project/gen.hpp
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@@ -2420,7 +2420,7 @@ namespace gen
alignas
*/
# define Define_Specifiers \
# define Define_Specifiers \
Entry( Invalid, INVALID ) \
Entry( Const, const ) \
Entry( Consteval, consteval ) \
@@ -2597,7 +2597,7 @@ namespace gen
struct AST;
struct Code;
// These are to offer strong type safety for the AST.
// These are to offer ease of use and optionally strong type safety for the AST.
struct CodeAttributes;
struct CodeComment;
struct CodeClass;
@@ -2621,6 +2621,7 @@ namespace gen
struct CodeUsing;
struct CodeUsingNamespace;
struct CodeVar;
struct CodeBody;
struct CodeClassBody;
struct CodeEnumBody;
struct CodeExportBody;
@@ -2634,27 +2635,30 @@ namespace gen
// Desired width of the AST data structure.
constexpr u32 AST_POD_Size = 256;
/*
Simple AST POD with functionality to seralize into C++ syntax.
*/
struct AST
namespace EEntry
{
enum Entry : u32
enum Type : u32
{
Entry_Array_Expression,
Entry_Attributes,
Entry_Body,
Entry_Parameters,
Entry_Parameter_Type,
Entry_Parent_Type,
Entry_Parent,
Entry_Return_Type,
Entry_Specifiers,
Entry_Value,
};
}
using EntryT = EEntry::Type;
/*
Simple AST POD with functionality to seralize into C++ syntax.
*/
struct AST
{
# pragma region Member Functions
void add_entry( AST* other );
// AST* body();
AST* duplicate();
AST*& entry( u32 idx );
bool has_entries();
@@ -2691,9 +2695,17 @@ namespace gen
return ECode::to_str( Type );
}
// Validation
bool validate_body();
operator Code();
template< class Type >
Type cast()
{
return (Type) { this };
}
# pragma endregion Member Functions
constexpr static
@@ -2733,6 +2745,53 @@ namespace gen
Using_AST_POD
};
struct AST_Experimental
{
using AST = AST_Experimental;
static constexpr uw ArrSpecs_Cap = sizeof( AST* ) * 9;
// Should only be used for body types.
void add( AST* other )
{
Back->Right = other;
Back = other;
}
union {
struct
{
AST* ArrExpr;
AST* Attributes;
AST* Parameters;
AST* ParameterType;
AST* ParentType;
AST* ReturnType;
AST* Specifiers;
AST* Value;
};
struct
{
AST* Left;
AST* Right;
};
struct
{
AST* Front;
AST* Back;
};
StringCached Content;
SpecifierT ArrSpecs[ArrSpecs_Cap];
};
AST* Parent;
StringCached Name;
CodeT Type;
OperatorT Op;
ModuleFlag ModuleFlags;
AccessSpec ParentAccess;
u32 NumEntries;
};
struct AST_POD
{
Using_AST_POD
@@ -2798,6 +2857,11 @@ namespace gen
Using_Code;
#define GEN_ENFORCE_STRONG_CODE_TYPES
#ifdef GEN_ENFORCE_STRONG_CODE_TYPES
#define operator explicit operator
#endif
operator CodeAttributes() const;
operator CodeComment() const;
operator CodeClass() const;
@@ -2831,6 +2895,8 @@ namespace gen
operator CodeNamespaceBody() const;
operator CodeStructBody() const;
operator CodeUnionBody() const;
#undef operator
};
struct Code_POD
@@ -2840,23 +2906,22 @@ namespace gen
static_assert( sizeof(Code) == sizeof(Code_POD), "ERROR: Code is not POD" );
// Used when the its desired when omission is allowed in a definition.
constexpr Code NoCode = { nullptr };
#ifdef GEN_ENFORCE_STRONG_CODE_TYPES
// Used when the its desired when omission is allowed in a definition.
#define NoCode { nullptr }
#define CodeInvalid { Code::Invalid.ast }
#else
// Used when the its desired when omission is allowed in a definition.
constexpr Code NoCode = { nullptr };
constexpr Code CodeInvalid = Code::Invalid;
#endif
#pragma region Code Types
#ifndef GEN_ENFORCE_STRONG_CODE_TYPES
#define Define_ParentCast \
operator Code() \
{ \
return * rcast( Code*, this ); \
}
#else
#define Define_ParentCast \
explicit operator Code() \
{ \
return * rcast( Code*, this ); \
}
#endif
#define Define_CodeBodyType( Name ) \
struct Code##Name \
@@ -2942,7 +3007,7 @@ namespace gen
Using_Code;
Define_ParentCast;
Code definition();
Code symbol();
};
struct CodeFn
@@ -3086,6 +3151,7 @@ namespace gen
CodeAttributes attributes();
CodeSpecifiers specifiers();
CodeType type();
Code value();
};
#undef Define_CodeBodyType
@@ -3134,23 +3200,23 @@ namespace gen
CodeComment def_comment ( StrC content );
CodeClass def_class( StrC name
, CodeClassBody body = NoCode
, Code body = NoCode
, CodeType parent = NoCode, AccessSpec access = AccessSpec::Default
, CodeAttributes attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeEnum def_enum( StrC
, Code body = NoCode, Code type = NoCode
, EnumT specifier = EnumRegular, Code attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
, Code body = NoCode, CodeType type = NoCode
, EnumT specifier = EnumRegular, CodeAttributes attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeExec def_execution ( StrC content );
CodeExtern def_extern_link( StrC name, Code body, ModuleFlag mflags = ModuleFlag::None );
CodeFriend def_friend ( Code symbol );
CodeFn def_function( StrC name
, Code params = NoCode, Code ret_type = NoCode, Code body = NoCode
, Code specifiers = NoCode, Code attributes = NoCode
, CodeParams params = NoCode, CodeType ret_type = NoCode, CodeFnBody body = NoCode
, CodeSpecifiers specifiers = NoCode, CodeAttributes attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeInclude def_include ( StrC content );
@@ -3158,9 +3224,9 @@ namespace gen
CodeNamespace def_namespace( StrC name, Code body, ModuleFlag mflags = ModuleFlag::None );
CodeOperator def_operator( OperatorT op
, Code params = NoCode, Code ret_type = NoCode, Code body = NoCode
, Code specifiers = NoCode, Code attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
, CodeParams params = NoCode, CodeType ret_type = NoCode, Code body = NoCode
, CodeSpecifiers specifiers = NoCode, CodeAttributes attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeOpCast def_operator_cast( Code type, Code body = NoCode );
@@ -3168,27 +3234,27 @@ namespace gen
CodeSpecifiers def_specifier( SpecifierT specifier );
CodeStruct def_struct( StrC name
, Code body
, Code parent = NoCode, AccessSpec access = AccessSpec::Default
, Code attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
, Code body
, CodeType parent = NoCode, AccessSpec access = AccessSpec::Default
, CodeAttributes attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeTemplate def_template( Code params, Code body, ModuleFlag mflags = ModuleFlag::None );
CodeTemplate def_template( CodeParams params, Code definition, ModuleFlag mflags = ModuleFlag::None );
CodeType def_type ( StrC name, Code arrayexpr = NoCode, Code specifiers = NoCode, Code attributes = NoCode );
CodeTypedef def_typedef( StrC name, Code type, Code attributes = NoCode, ModuleFlag mflags = ModuleFlag::None );
CodeType def_type ( StrC name, Code arrayexpr = NoCode, CodeSpecifiers specifiers = NoCode, CodeAttributes attributes = NoCode );
CodeTypedef def_typedef( StrC name, CodeType type, CodeAttributes attributes = NoCode, ModuleFlag mflags = ModuleFlag::None );
CodeUnion def_union( StrC name, Code body, Code attributes = NoCode, ModuleFlag mflags = ModuleFlag::None );
CodeUnion def_union( StrC name, Code body, CodeAttributes attributes = NoCode, ModuleFlag mflags = ModuleFlag::None );
CodeUsing def_using( StrC name, Code type = NoCode
, Code attributess = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeUsing def_using( StrC name, CodeType type = NoCode
, CodeAttributes attributess = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeUsingNamespace def_using_namespace( StrC name );
CodeVar def_variable( Code type, StrC name, Code value = NoCode
, Code specifiers = NoCode, Code attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
CodeVar def_variable( CodeType type, StrC name, Code value = NoCode
, CodeSpecifiers specifiers = NoCode, CodeAttributes attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
// Constructs an empty body. Use AST::validate_body() to check if the body is was has valid entries.
CodeBody def_body( CodeT type );
@@ -3211,7 +3277,7 @@ namespace gen
CodeNamespace def_namespace_body ( s32 num, ... );
CodeNamespace def_namespace_body ( s32 num, Code* codes );
CodeParams def_params ( s32 num, ... );
CodeParams def_params ( s32 num, Code* params );
CodeParams def_params ( s32 num, CodeParams* params );
CodeSpecifiers def_specifiers ( s32 num, ... );
CodeSpecifiers def_specifiers ( s32 num, SpecifierT* specs );
CodeStructBody def_struct_body ( s32 num, ... );
@@ -3439,8 +3505,6 @@ namespace gen
constexpr s32 MaxUntypedStrLength = kilobytes(640);
constexpr s32 StringTable_MaxHashLength = kilobytes(1);
// Predefined Codes. Are set to readonly and are setup during gen::init()
extern CodeType t_auto;
extern CodeType t_void;
extern CodeType t_int;
@@ -3482,7 +3546,6 @@ namespace gen
#pragma region Inlines
namespace gen
{
inline
void AST::add_entry( AST* other )
{
AST* to_add = other->Parent ?
@@ -3546,7 +3609,7 @@ namespace gen
if ( index <= 0 )
return * this;
return (Code){ ast->entry( index + 1 ) };
return (CodeParams){ ast->entry( index + 1 ) };
}
inline
@@ -3612,7 +3675,7 @@ namespace gen
Define_CodeCast( CodeUsing );
Define_CodeCast( CodeUsingNamespace );
Define_CodeCast( CodeVar );
Define_CodeCast( CodeBody );
Define_CodeCast( CodeBody);
Define_CodeCast( CodeClassBody );
Define_CodeCast( CodeEnumBody );
Define_CodeCast( CodeExportBody );
@@ -3622,7 +3685,6 @@ namespace gen
Define_CodeCast( CodeNamespaceBody );
Define_CodeCast( CodeStructBody );
Define_CodeCast( CodeUnionBody );
#undef Define_CodeCast
#pragma endregion Operater Cast Impl
@@ -3644,13 +3706,13 @@ namespace gen
default:
log_failure( "def_body: Invalid type %s", (char const*)ECode::to_str(type) );
return Code::Invalid;
return (CodeBody)Code::Invalid;
}
Code
result = make_code();
result->Type = type;
return result;
return (CodeBody)result;
}
//! Do not use directly. Use the token_fmt macro instead.