mirror of
https://github.com/Ed94/pikuma_ps1.git
synced 2026-06-01 18:41:13 -07:00
180 lines
7.7 KiB
C
180 lines
7.7 KiB
C
#ifdef INTELLISENSE_DIRECTIVES
|
|
# pragma once
|
|
# include "assert.h"
|
|
#endif
|
|
|
|
#define offset_of(type, member) cast(U8,__builtin_offsetof(type,member))
|
|
#define static_assert _Static_assert
|
|
#define typeof __typeof__
|
|
#define typeof_ptr(ptr) typeof((ptr)[0])
|
|
#define typeof_same(a, b) _Generic((a), typeof((b)): 1, default: 0)
|
|
|
|
#define m_expand(...) __VA_ARGS__
|
|
#define glue_impl(A, B) A ## B
|
|
#define glue(A, B) glue_impl(A, B)
|
|
#define tmpl(prefix, type) prefix ## _ ## type
|
|
|
|
#define stringify_impl(S) #S
|
|
#define stringify(S) stringify_impl(S)
|
|
|
|
#define VA_Sel_1( _1, ... ) _1 // <-- Of all th args passed pick _1.
|
|
#define VA_Sel_2( _1, _2, ... ) _2 // <-- Of all the args passed pick _2.
|
|
#define VA_Sel_3( _1, _2, _3, ... ) _3 // etc..
|
|
|
|
#define global static // Mark global data
|
|
#define gknown // Mark global data used in procedure
|
|
|
|
#define LP_ static // static data within procedure scope
|
|
#define internal static // internal
|
|
|
|
#define asm __asm__
|
|
#define align_(value) __attribute__((aligned (value))) // for easy alignment
|
|
#define C_(type,data) ((type)(data)) // for enforced precedence
|
|
#define expect_(x, y) __builtin_expect(x, y) // so compiler knows the common path
|
|
#define I_ internal inline
|
|
#define FI_ inline __attribute__((always_inline)) // inline always
|
|
#define NI_ internal __attribute__((noinline)) // inline never
|
|
#define RO_ __attribute__((section(".rodata"))) // Read only data allocation
|
|
#define R_ restrict // pointers are either restricted or volatile and nothing else
|
|
#define V_ volatile // pointers are either restricted or volatile and nothing else
|
|
#define T_ typeof
|
|
#define T_same(a,b) _Generic((a), typeof((b)): 1, default: 0)
|
|
|
|
#define r_(ptr) C_(T_(ptr[0])*R_, ptr)
|
|
#define v_(ptr) C_(T_(ptr[0])*V_, ptr)
|
|
#define tr_(type, ptr) C_(type*R_, ptr)
|
|
#define tv_(type, ptr) C_(type*V_, ptr)
|
|
|
|
#define TypeR_(type) type*restrict type ## _R
|
|
#define TypeV_(type) type*volatile type ## _V
|
|
#define PtrSet_(type) TypeR_(type); typedef TypeV_(type)
|
|
#define TSet_(type) type; typedef PtrSet_(type)
|
|
|
|
#define array_len(a) (U8)(sizeof(a) / sizeof(typeof((a)[0])))
|
|
#define array_decl(type, ...) (type[]){__VA_ARGS__}
|
|
#define Array_sym(type,len) A ## len ## _ ## type
|
|
#define Array_expand(type,len) type Array_sym(type, len)[len]; typedef PtrSet_(Array_sym(type, len))
|
|
#define Array_(type,len) Array_expand(type,len)
|
|
#define Bit_(id,b) id = (1 << b), tmpl(id,pos) = b
|
|
#define Enum_(underlying_type, symbol) underlying_type TSet_(symbol); enum symbol
|
|
#define Proc_(symbol) symbol
|
|
#define Struct_(symbol) struct symbol TSet_(symbol); struct symbol
|
|
#define Union_(symbol) union symbol TSet_(symbol); union symbol
|
|
|
|
#define Opt_(proc) Struct_(tmpl(Opt,proc))
|
|
#define opt_(symbol, ...) (tmpl(Opt,symbol)){__VA_ARGS__}
|
|
#define Ret_(proc) Struct_(tmpl(Ret,proc))
|
|
#define ret_(proc) tmpl(Ret,proc) proc
|
|
|
|
// Using Byte-Width convention for the fundamental types.
|
|
typedef __UINT8_TYPE__ TSet_(U1);
|
|
typedef __UINT16_TYPE__ TSet_(U2);
|
|
typedef __UINT32_TYPE__ TSet_(U4);
|
|
typedef __INT8_TYPE__ TSet_(S1);
|
|
typedef __INT16_TYPE__ TSet_(S2);
|
|
typedef __INT32_TYPE__ TSet_(S4);
|
|
typedef unsigned char TSet_(B1);
|
|
typedef __UINT16_TYPE__ TSet_(B2);
|
|
typedef __UINT32_TYPE__ TSet_(B4);
|
|
|
|
#define u1_(value) C_(U1, value)
|
|
#define u2_(value) C_(U2, value)
|
|
#define u4_(value) C_(U4, value)
|
|
#define s1_(value) C_(S1, value)
|
|
#define s2_(value) C_(S2, value)
|
|
#define s4_(value) C_(S4, value)
|
|
|
|
#define u1_r(value) C_(U1*R_, value)
|
|
#define u2_r(value) C_(U2*R_, value)
|
|
#define u4_r(value) C_(U4*R_, value)
|
|
#define u1_v(value) C_(U1*V_, value)
|
|
#define u2_v(value) C_(U2*V_, value)
|
|
#define u4_v(value) C_(U4*V_, value)
|
|
enum { false = 0, true = 1, true_overflow, };
|
|
|
|
typedef void Proc_(VoidFn) (void);
|
|
|
|
#define kilo(n) (C_(U4, n) << 10)
|
|
#define mega(n) (C_(U4, n) << 20)
|
|
#define giga(n) (C_(U4, n) << 30)
|
|
#define tera(n) (C_(U4, n) << 40)
|
|
#define null C_(U4, 0)
|
|
#define nullptr C_(void*, 0)
|
|
#define O_(type,member) C_(U4,__builtin_offsetof(type,member))
|
|
#define S_(data) C_(U4, sizeof(data))
|
|
|
|
#define sop_1(op,a,b) C_(U1, s1_(a) op s1_(b))
|
|
#define sop_2(op,a,b) C_(U2, s2_(a) op s2_(b))
|
|
#define sop_4(op,a,b) C_(U4, s4_(a) op s4_(b))
|
|
|
|
#undef def_signed_op
|
|
#define def_signed_op(id,op,width) FI_ U ## width id ## _s ## width(U ## width a, U ## width b) {return sop_ ## width(op, a, b); }
|
|
#define def_signed_ops(id,op) def_signed_op(id, op, 1) def_signed_op(id, op, 2) def_signed_op(id, op, 4)
|
|
def_signed_ops(add, +)
|
|
def_signed_ops(sub, -)
|
|
def_signed_ops(mut, *)
|
|
def_signed_ops(div, /)
|
|
def_signed_ops(gt, >)
|
|
def_signed_ops(lt, <)
|
|
def_signed_ops(ge, >=)
|
|
def_signed_ops(le, <=)
|
|
#undef def_signed_ops
|
|
#undef def_signed_op
|
|
|
|
#define def_generic_sop(op, a, ...) _Generic((a), U1: op ## _s1, U2: op ## _s2, U4: op ## _s4) (a, __VA_ARGS__)
|
|
#define add_s(a,b) def_generic_sop(add,a,b)
|
|
#define sub_s(a,b) def_generic_sop(sub,a,b)
|
|
#define mut_s(a,b) def_generic_sop(mut,a,b)
|
|
#define gt_s(a,b) def_generic_sop(gt, a,b)
|
|
#define lt_s(a,b) def_generic_sop(lt, a,b)
|
|
#define ge_s(a,b) def_generic_sop(ge, a,b)
|
|
#define le_s(a,b) def_generic_sop(le, a,b)
|
|
#undef def_generic_sop
|
|
|
|
#define o_(field) offset_of(typeof_ptr(& field), filed))
|
|
|
|
#define alignas _Alignas
|
|
#define alignof _Alignof
|
|
#define byte_pad(amount, ...) B1 glue(_PAD_, __VA_ARGS__) [amount]
|
|
#define pcast(type, data) (C_(type*, & (data)) [0])
|
|
|
|
#define dbg_args(...) __VA_ARGS__
|
|
|
|
#pragma region Control Flow & Iteration
|
|
#define each_iter(type, iter, end) (type iter = 0; iter < end; ++ iter)
|
|
#define index_iter(type, iter, begin, op, end) (type iter = begin; iter op end; (begin < end ? ++ iter : -- iter))
|
|
#define range_iter(iter,op,range) (T_((range).p0) iter = (range).p0; iter op (range).p1; ((range).p0 < (range).p1 ? ++ iter : -- iter))
|
|
|
|
#define defer(expr) for(U4 once= 1; once!=1;++ once,(expr)) // Basic do something after body
|
|
#define scope(begin,end) for(U4 once=(1,(begin)); once!=1;++ once,(end )) // Do things before or after a scope
|
|
#define defer_rewind(cursor) for(T_(cursor) sp=cursor,once=0; once!=1;++ once,cursor=sp) // Used with arenas/stacks
|
|
#define defer_info(type,expr, ...) for(type info= {__VA_ARGS__}; info.once!=1;++info.once,(expr)) // Defer with tracked state
|
|
|
|
#define do_while(cond) for (U8 once=0; once!=1 || (cond); ++once)
|
|
#pragma endregion Control Flow & Iteration
|
|
|
|
#define span_iter(type, iter, m_begin, op, m_end) ( \
|
|
tmpl(Iter_Span,type) iter = { \
|
|
.r = {(m_begin), (m_end)}, \
|
|
.cursor = (m_begin) }; \
|
|
iter.cursor op iter.r.end; \
|
|
++ iter.cursor \
|
|
)
|
|
#define Span_(type) \
|
|
Struct_(tmpl( Span,type)) { type begin; type end; }; \
|
|
typedef Struct_(tmpl(Iter_Span,type)) { tmpl(Span,type) r; type cursor; }
|
|
|
|
typedef Span_(S4);
|
|
typedef Span_(U4);
|
|
|
|
#if 0
|
|
#pragma region Debug
|
|
#define debug_trap() __builtin_debugtrap()
|
|
#if BUILD_DEBUG
|
|
IA_ void assert(U8 cond) { if(cond){return;} else{debug_trap(); ms_exit_process(1);} }
|
|
#else
|
|
#define assert(cond)
|
|
#endif
|
|
#pragma endregion Debug
|
|
#endif
|