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Updated readme, added def_body and AST::validate_body

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Fixed meson first setup error with missing thirdparty dir (removed it since its no longer used)

Improved SOA test to use newly added funtions.
This commit is contained in:
Edward R. Gonzalez
2023-07-12 15:59:47 -04:00
parent 128b0e17fe
commit 4e61fefc55
13 changed files with 319 additions and 193 deletions
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266
project/gen.hpp
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@@ -2666,6 +2666,61 @@ namespace gen
// Desired width of the AST data structure.
constexpr u32 AST_POD_Size = 256;
struct AST;
/*
AST* typedef as to not constantly have to add the '*' as this is written often..
*/
struct Code
{
# pragma region Statics
// Used to identify ASTs that should always be duplicated. (Global constant ASTs)
static Code Global;
// Used to identify invalid generated code.
static Code Invalid;
# pragma endregion Statics
# pragma region Member Functions
void set_global();
bool is_valid();
bool operator ==( Code other )
{
return ast == other.ast;
}
bool operator !=( Code other )
{
return ast != other.ast;
}
operator AST*()
{
return ast;
}
AST* operator->()
{
if ( ast == nullptr )
{
log_failure("Attempt to dereference a nullptr!");
return nullptr;
}
return ast;
}
# pragma endregion Member Functions
AST* ast;
};
struct Code_POD
{
AST* ast;
};
// TODO: If perf needs it, convert layout an SOA format.
/*
Simple AST POD with functionality to seralize into C++ syntax.
@@ -2679,6 +2734,9 @@ namespace gen
struct AST
{
# pragma region Member Functions
// add_entry with validation
void add( AST* other );
void add_entry( AST* other );
AST* body()
@@ -2688,7 +2746,7 @@ namespace gen
AST* duplicate();
AST*& entry( u32 idx )
AST* entry( u32 idx )
{
return DynamicEntries ? ArrDyn[ idx ] : ArrStatic[ idx ];
}
@@ -2698,11 +2756,6 @@ namespace gen
return num_entries();
}
bool is_invalid()
{
return Type != ECode::Invalid;
}
bool is_equal( AST* other );
s32 num_entries()
@@ -2799,12 +2852,16 @@ namespace gen
);
}
String to_string();
char const* type_str()
{
return ECode::to_str( Type );
}
String to_string();
bool validate_body();
operator Code();
# pragma endregion Member Functions
constexpr static
@@ -2852,106 +2909,10 @@ namespace gen
// Its intended for the AST to have equivalent size to its POD.
// All extra functionality within the AST namespace should just be syntatic sugar.
static_assert( sizeof(Code) == sizeof(Code_POD), "ERROR: Code is not POD" );
static_assert( sizeof(AST) == sizeof(AST_POD), "ERROR: AST IS NOT POD" );
static_assert( sizeof(AST_POD) == AST_POD_Size, "ERROR: AST POD is not size of AST_POD_Size" );
/*
AST* typedef as to not constantly have to add the '*' as this is written often..
*/
struct Code
{
# pragma region Statics
// Used to identify ASTs that should always be duplicated. (Global constant ASTs)
static Code Global;
// Used to identify invalid generated code.
static Code Invalid;
# pragma endregion Statics
# pragma region Member Functions
Code body()
{
if ( ast == nullptr )
{
log_failure("Code::body: AST is null!");
return Invalid;
}
if ( ast->Type == ECode::Invalid )
{
log_failure("Code::body: Type is invalid, cannot get");
return Invalid;
}
return { ast->body() };
}
String to_string() const
{
return ast->to_string();
}
void set_global()
{
if ( ast == nullptr )
{
log_failure("Code::set_global: Cannot set code as global, AST is null!");
return;
}
ast->Parent = Global.ast;
}
bool is_valid()
{
// Originally intended to use operator bool(), however for some reason
// The C++ standard has operator Type*() with higher precedence than operator bool().
// Even when directly casting to bool. Amazing.
return ast != nullptr && ast->Type != ECode::Invalid;
}
operator bool() const
{
return ast != nullptr && ast->Type != ECode::Invalid;
}
bool operator ==( Code other )
{
return ast == other.ast;
}
bool operator !=( Code other )
{
return ast != other.ast;
}
operator AST*()
{
return ast;
}
AST* operator->()
{
if ( ast == nullptr )
{
log_failure("Attempt to dereference a nullptr!");
return nullptr;
}
return ast;
}
# pragma endregion Member Functions
AST* ast;
};
struct Code_POD
{
AST_POD* ast;
};
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 };
#pragma endregion Data Structures
@@ -3051,8 +3012,11 @@ namespace gen
, Code specifiers = NoCode, Code attributes = NoCode
, ModuleFlag mflags = ModuleFlag::None );
Code def_class_body ( s32 num, ... );
Code def_class_body ( s32 num, Code* codes );
// There are two options for defining a struct body, either varadically provided with the args macro to auto-deduce the arg num,
/// or provide as an array of Code objects.
Code def_class_body ( s32 num, ... );
Code def_class_body ( s32 num, Code* codes );
Code def_enum_body ( s32 num, ... );
Code def_enum_body ( s32 num, Code* codes );
Code def_export_body ( s32 num, ... );
@@ -3073,6 +3037,9 @@ namespace gen
Code def_struct_body ( s32 num, Code* codes );
Code def_union_body ( s32 num, ... );
Code def_union_body ( s32 num, Code* codes );
// Constructs an empty body. Use AST::validate_body() to check if the body is was has valid entries.
Code def_body( CodeT type );
# pragma endregion Upfront
# pragma region Parsing
@@ -3098,24 +3065,8 @@ namespace gen
# pragma endregion Parsing
# pragma region Untyped text
sw token_fmt_va( char* buf, uw buf_size, s32 num_tokens, va_list va );
//! Do not use directly. Use the token_fmt macro instead.
// Takes a format string (char const*) and a list of tokens (StrC) and returns a StrC of the formatted string.
inline
StrC token_fmt_impl( sw num, ... )
{
local_persist thread_local
char buf[GEN_PRINTF_MAXLEN] = { 0 };
mem_set( buf, 0, GEN_PRINTF_MAXLEN );
va_list va;
va_start(va, num );
sw result = token_fmt_va(buf, GEN_PRINTF_MAXLEN, num, va);
va_end(va);
return { result, buf };
}
sw token_fmt_va( char* buf, uw buf_size, s32 num_tokens, va_list va );
StrC token_fmt_impl( sw, ... );
Code untyped_str ( StrC content);
Code untyped_fmt ( char const* fmt, ... );
@@ -3383,6 +3334,73 @@ namespace gen
to_add->Parent = this;
}
inline
void Code::set_global()
{
if ( ast == nullptr )
{
log_failure("Code::set_global: Cannot set code as global, AST is null!");
return;
}
ast->Parent = Global.ast;
}
inline
bool Code::is_valid()
{
return ast != nullptr && ast->Type != CodeT::Invalid;
}
AST::operator gen::Code()
{
return { this };
}
Code def_body( CodeT type )
{
switch ( type )
{
using namespace ECode;
case Class_Body:
case Enum_Body:
case Export_Body:
case Extern_Linkage:
case Function_Body:
case Global_Body:
case Namespace_Body:
case Struct_Body:
case Union_Body:
break;
default:
log_failure( "def_body: Invalid type %s", (char const*)ECode::to_str(type) );
return Code::Invalid;
}
Code
result = make_code();
result->Type = type;
return result;
}
//! Do not use directly. Use the token_fmt macro instead.
// Takes a format string (char const*) and a list of tokens (StrC) and returns a StrC of the formatted string.
inline
StrC token_fmt_impl( sw num, ... )
{
local_persist thread_local
char buf[GEN_PRINTF_MAXLEN] = { 0 };
mem_set( buf, 0, GEN_PRINTF_MAXLEN );
va_list va;
va_start(va, num );
sw result = token_fmt_va(buf, GEN_PRINTF_MAXLEN, num, va);
va_end(va);
return { result, buf };
}
}
#pragma endregion Inlines