gencpp/project/Bloat.hpp

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/*
BLOAT.
This contians all definitions not directly related to the project.
*/
#pragma once
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#ifdef BLOAT_IMPL
# define ZPL_IMPLEMENTATION
#endif
// TODO: This will be removed when making the library have zero dependencies.
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#pragma region ZPL INCLUDE
#if __clang__
# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wmissing-braces"
# pragma clang diagnostic ignored "-Wbraced-scalar-init"
#endif
// # define ZPL_HEAP_ANALYSIS
# define ZPL_WRAP_IN_NAMESPACE
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# define ZPL_NO_MATH_H
# define ZPL_CUSTOM_MODULES
# define ZPL_MODULE_ESSENTIALS
# define ZPL_MODULE_CORE
# define ZPL_MODULE_TIMER
# define ZPL_MODULE_HASHING
// # define ZPL_MODULE_REGEX
// # define ZPL_MODULE_EVENT
// # define ZPL_MODULE_DLL
// # define ZPL_MODULE_OPTS
// # define ZPL_MODULE_PROCESS
// # define ZPL_MODULE_MAT
// # define ZPL_MODULE_THREADING
// # define ZPL_MODULE_JOBS
// # define ZPL_MODULE_PARSER
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#include "zpl.h"
using zpl::s8;
using zpl::s16;
using zpl::s32;
using zpl::s64;
using zpl::u8;
using zpl::u32;
using zpl::u64;
using zpl::uw;
using zpl::sw;
using zpl::sptr;
using zpl::uptr;
using zpl::Arena;
using zpl::AllocatorInfo;
using zpl::ArrayHeader;
using zpl::FileInfo;
using zpl::FileError;
using zpl::Pool;
// using zpl::String;
using zpl::EFileMode_WRITE;
using zpl::EFileError_NONE;
using zpl::alloc;
using zpl::arena_allocator;
using zpl::arena_init_from_memory;
using zpl::arena_init_from_allocator;
using zpl::arena_free;
using zpl::assert_crash;
using zpl::str_fmt_buf;
using zpl::char_first_occurence;
using zpl::char_is_alpha;
using zpl::char_is_alphanumeric;
using zpl::char_is_space;
using zpl::crc32;
using zpl::free_all;
using zpl::mem_copy;
using zpl::mem_move;
using zpl::mem_set;
using zpl::pool_allocator;
using zpl::pool_init;
using zpl::pool_free;
using zpl::process_exit;
using zpl::str_copy;
using zpl::str_fmt_va;
using zpl::str_fmt_out_va;
using zpl::str_fmt_out_err_va;
using zpl::str_compare;
// using zpl::string_appendc;
// using zpl::string_append_fmt;
// using zpl::string_append_length;
// using zpl::string_make_length;
// using zpl::string_length;
// using zpl::string_make;
using zpl::str_len;
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#if __clang__
# pragma clang diagnostic pop
#endif
#pragma endregion ZPL INCLUDE
#if __clang__
# pragma clang diagnostic ignored "-Wunused-const-variable"
# pragma clang diagnostic ignored "-Wswitch"
# pragma clang diagnostic ignored "-Wunused-variable"
# pragma clang diagnostic ignored "-Wunknown-pragmas"
# pragma clang diagnostic ignored "-Wvarargs"
# pragma clang diagnostic ignored "-Wunused-function"
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#endif
#include "Banned.define.hpp"
#if defined(__GNUC__) || defined(__clang__)
// Supports 0-10 arguments
#define macro_num_args_impl( _0, \
_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \
_11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \
N, ... \
) N
// _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \
// _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \
// _41, _42, _43, _44, _45, _46, _47, _48, _49, _50,
// ## deletes preceding comma if _VA_ARGS__ is empty (GCC, Clang)
#define macro_num_args(...) \
macro_num_args_impl(_, ## __VA_ARGS__, \
20, 19, 18, 17, 16, 15, 14, 13, 12, 11, \
10, 9, 8, 7, 6, 5, 4, 3, 2, 1, \
0 \
)
// 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, \
// 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, \
// 30, 29, 28, 27, 26, 25, 24, 23, 22, 21,
#else
// Supports 1-10 arguments
#define macro_num_args_impl( \
_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \
_11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \
N, ... \
) N
#define macro_num_args(...) \
macro_num_args_impl( __VA_ARGS__, \
20, 19, 18, 17, 16, 15, 14, 13, 12, 11, \
10, 9, 8, 7, 6, 5, 4, 3, 2, 1 \
)
#endif
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#define macro_expand( Expanded_ ) Expanded_
#define bit( Value_ ) ( 1 << Value_ )
#define bitfield_is_equal( Type_, Field_, Mask_ ) ( (Type_(Mask_) & Type_(Field_)) == Type_(Mask_) )
#define forceinline ZPL_ALWAYS_INLINE
#define print_nl( _) zpl_printf("\n")
#define ccast( Type_, Value_ ) * const_cast< Type_* >( & (Value_) )
#define scast( Type_, Value_ ) static_cast< Type_ >( Value_ )
#define rcast( Type_, Value_ ) reinterpret_cast< Type_ >( Value_ )
#define pcast( Type_, Value_ ) ( * (Type_*)( & (Value_) ) )
#define txt_impl( Value_ ) #Value_
#define txt( Value_ ) txt_impl( Value_ )
#define txt_n_len( Value_ ) sizeof( txt_impl( Value_ ) ), txt_impl( Value_ )
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#define do_once() \
do \
{ \
static \
bool Done = false; \
if ( Done ) \
return; \
Done = true; \
} \
while(0)
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#define do_once_start \
do \
{ \
static \
bool Done = false; \
if ( Done ) \
break; \
Done = true;
#define do_once_end \
} \
while(0);
constexpr
char const* Msg_Invalid_Value = "INVALID VALUE PROVIDED";
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#pragma region Memory
#pragma endregion Memory
#pragma region String
// Constant string with length.
struct StrC
{
sw Len;
char const* Ptr;
static constexpr
StrC from( char const* str )
{
return { str_len( str ), str };
}
operator char const* () const
{
return Ptr;
}
};
// Dynamic String
// This is directly based off the ZPL string api.
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// They used a header pattern
// I kept it for simplicty of porting but its not necessary to keep it that way.
struct String
{
struct Header
{
AllocatorInfo Allocator;
sw Length;
sw Capacity;
};
static String make( AllocatorInfo allocator, char const* str )
{
sw length = str ? str_len( str ) : 0;
return make_length( allocator, str, length );
}
static String make( AllocatorInfo allocator, StrC str )
{
return make_length( allocator, str.Ptr, str.Len );
}
static String make_reserve( AllocatorInfo allocator, sw capacity )
{
constexpr sw header_size = sizeof( Header );
s32 alloc_size = header_size + capacity + 1;
void* allocation = alloc( allocator, alloc_size );
if ( allocation == nullptr )
return { nullptr };
mem_set( allocation, 0, alloc_size );
Header*
header = rcast(Header*, allocation);
header->Allocator = allocator;
header->Capacity = capacity;
header->Length = 0;
String result = { (char*)allocation + header_size };
return result;
}
static String make_length( AllocatorInfo allocator, char const* str, sw length )
{
constexpr sw header_size = sizeof( Header );
s32 alloc_size = header_size + length + 1;
void* allocation = alloc( allocator, alloc_size );
if ( allocation == nullptr )
return { nullptr };
if ( ! str )
mem_set( allocation, 0, alloc_size );
Header&
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header = * rcast(Header*, allocation);
header = { allocator, length, length };
String result = { rcast( char*, allocation) + header_size };
if ( length && str )
mem_copy( result, str, length );
result[ length ] = '\0';
return result;
}
static String fmt( AllocatorInfo allocator, char* buf, sw buf_size, char const* fmt, ... )
{
va_list va;
va_start( va, fmt );
str_fmt_va( buf, buf_size, fmt, va );
va_end( va );
return make( allocator, buf );
}
static String fmt_buf( AllocatorInfo allocator, char const* fmt, ... )
{
local_persist thread_local
char buf[ ZPL_PRINTF_MAXLEN ] = { 0 };
va_list va;
va_start( va, fmt );
str_fmt_va( buf, ZPL_PRINTF_MAXLEN, fmt, va );
va_end( va );
return make( allocator, buf );
}
static String join( AllocatorInfo allocator, char const** parts, sw num_parts, char const* glue )
{
String result = make( allocator, "" );
for ( sw idx = 0; idx < num_parts; ++idx )
{
result.append( parts[ idx ] );
if ( idx < num_parts - 1 )
result.append( glue );
}
return result;
}
static bool are_equal( String lhs, String rhs )
{
if ( lhs.length() != rhs.length() )
return false;
for ( sw idx = 0; idx < lhs.length(); ++idx )
if ( lhs[ idx ] != rhs[ idx ] )
return false;
return true;
}
bool make_space_for( char const* str, sw add_len )
{
sw available = avail_space();
// NOTE: Return if there is enough space left
if ( available >= add_len )
{
return true;
}
else
{
sw new_len, old_size, new_size;
void* ptr;
void* new_ptr;
AllocatorInfo allocator = get_header().Allocator;
Header* header = nullptr;
new_len = length() + add_len;
ptr = & get_header();
old_size = size_of( Header ) + length() + 1;
new_size = size_of( Header ) + new_len + 1;
new_ptr = resize( allocator, ptr, old_size, new_size );
if ( new_ptr == nullptr )
return false;
header = zpl_cast( Header* ) new_ptr;
header->Allocator = allocator;
header->Capacity = new_len;
Data = rcast( char*, header + 1 );
return str;
}
}
bool append( char const* str )
{
return append( str, str_len( str ) );
}
bool append( char const* str, sw length )
{
if ( sptr(str) > 0 )
{
sw curr_len = this->length();
if ( ! make_space_for( str, length ) )
return false;
Header& header = get_header();
mem_copy( Data + curr_len, str, length );
Data[ curr_len + length ] = '\0';
header.Length = curr_len + length;
}
return str;
}
bool append( StrC str)
{
return append( str.Ptr, str.Len );
}
bool append( const String other )
{
return append( other.Data, other.length() );
}
bool append_fmt( char const* fmt, ... )
{
sw res;
char buf[ ZPL_PRINTF_MAXLEN ] = { 0 };
va_list va;
va_start( va, fmt );
res = str_fmt_va( buf, count_of( buf ) - 1, fmt, va ) - 1;
va_end( va );
return append( buf, res );
}
sw avail_space() const
{
Header const&
header = * rcast( Header const*, Data - sizeof( Header ));
return header.Capacity - header.Length;
}
sw capacity() const
{
Header const&
header = * rcast( Header const*, Data - sizeof( Header ));
return header.Capacity;
}
void clear()
{
get_header().Length = 0;
}
String duplicate( AllocatorInfo allocator )
{
return make_length( allocator, Data, length() );
}
void free()
{
if ( ! Data )
return;
Header& header = get_header();
zpl::free( header.Allocator, & header );
}
Header& get_header()
{
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return *(Header*)(Data - sizeof(Header));
}
sw length() const
{
Header const&
header = * rcast( Header const*, Data - sizeof( Header ));
return header.Length;
}
void trim( char const* cut_set )
{
sw len = 0;
char* start_pos = Data;
char* end_pos = Data + length() - 1;
while ( start_pos <= end_pos && char_first_occurence( cut_set, *start_pos ) )
start_pos++;
while ( end_pos > start_pos && char_first_occurence( cut_set, *end_pos ) )
end_pos--;
len = scast( sw, ( start_pos > end_pos ) ? 0 : ( ( end_pos - start_pos ) + 1 ) );
if ( Data != start_pos )
mem_move( Data, start_pos, len );
Data[ len ] = '\0';
get_header().Length = len;
}
void trim_space()
{
return trim( " \t\r\n\v\f" );
}
operator bool()
{
return Data;
}
operator char* ()
{
return Data;
}
operator char const* () const
{
return Data;
}
operator StrC()
{
return
{
length(),
Data
};
}
String const& operator = ( String const& other ) const
{
if ( this == & other )
return *this;
String& this_ = ccast( String, *this );
this_.Data = other.Data;
return this_;
}
String& operator += ( String const& other )
{
append( other );
return *this;
}
char& operator [] ( sw index )
{
return Data[ index ];
}
char const& operator [] ( sw index ) const
{
return Data[ index ];
}
char* Data = nullptr;
};
struct String_POD
{
char* Data;
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operator String()
{
return * rcast(String*, this);
}
};
static_assert( sizeof( String_POD ) == sizeof( String ), "String is not a POD" );
#pragma endregion String
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namespace Memory
{
constexpr uw Initial_Reserve = megabytes(10);
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extern Arena Global_Arena;
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// #define g_allocator arena_allocator( & Memory::Global_Arena)
// Heap allocator is being used for now to isolate errors from being memory related (tech debt till ready to address)
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#define g_allocator heap()
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void setup();
void resize( uw new_size );
void cleanup();
}
inline
sw log_fmt(char const* fmt, ...)
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{
sw res;
va_list va;
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va_start(va, fmt);
res = str_fmt_out_va(fmt, va);
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va_end(va);
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return res;
}
inline
sw fatal(char const* fmt, ...)
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{
local_persist thread_local
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char buf[ZPL_PRINTF_MAXLEN] = { 0 };
va_list va;
#if Build_Debug
va_start(va, fmt);
str_fmt_va(buf, ZPL_PRINTF_MAXLEN, fmt, va);
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va_end(va);
assert_crash(buf);
return -1;
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#else
va_start(va, fmt);
str_fmt_out_err_va( fmt, va);
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va_end(va);
exit(1);
return -1;
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#endif
}