gencpp/project/components/untyped.cpp

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sw token_fmt_va( char* buf, uw buf_size, s32 num_tokens, va_list va )
{
char const* buf_begin = buf;
sw remaining = buf_size;
local_persist
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Arena tok_map_arena;
HashTable<StrC> tok_map;
{
local_persist
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char tok_map_mem[ TokenFmt_TokenMap_MemSize ];
tok_map_arena = Arena::init_from_memory( tok_map_mem, sizeof(tok_map_mem) );
tok_map = HashTable<StrC>::init( tok_map_arena );
s32 left = num_tokens - 1;
while ( left-- )
{
char const* token = va_arg( va, char const* );
StrC value = va_arg( va, StrC );
u32 key = crc32( token, str_len(token) );
tok_map.set( key, value );
}
}
char const* fmt = va_arg( va, char const* );
char current = *fmt;
while ( current )
{
sw len = 0;
while ( current && current != '<' && remaining )
{
* buf = * fmt;
buf++;
fmt++;
remaining--;
current = * fmt;
}
if ( current == '<' )
{
char const* scanner = fmt + 1;
s32 tok_len = 0;
while ( *scanner != '>' )
{
tok_len++;
scanner++;
}
char const* token = fmt + 1;
u32 key = crc32( token, tok_len );
StrC* value = tok_map.get( key );
if ( value )
{
sw left = value->Len;
char const* str = value->Ptr;
while ( left-- )
{
* buf = * str;
buf++;
str++;
remaining--;
}
scanner++;
fmt = scanner;
current = * fmt;
continue;
}
* buf = * fmt;
buf++;
fmt++;
remaining--;
current = * fmt;
}
}
tok_map.clear();
tok_map_arena.free();
sw result = buf_size - remaining;
return result;
}
Code untyped_str( StrC content )
{
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if ( content.Len == 0 )
{
log_failure( "untyped_str: empty string" );
return CodeInvalid;
}
Code
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result = make_code();
result->Name = get_cached_string( content );
result->Type = ECode::Untyped;
result->Content = result->Name;
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if ( result->Name == nullptr )
{
log_failure( "untyped_str: could not cache string" );
return CodeInvalid;
}
return result;
}
Code untyped_fmt( char const* fmt, ...)
{
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if ( fmt == nullptr )
{
log_failure( "untyped_fmt: null format string" );
return CodeInvalid;
}
local_persist thread_local
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char buf[GEN_PRINTF_MAXLEN] = { 0 };
va_list va;
va_start(va, fmt);
sw length = str_fmt_va(buf, GEN_PRINTF_MAXLEN, fmt, va);
va_end(va);
Code
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result = make_code();
result->Name = get_cached_string( { str_len(fmt, MaxNameLength), fmt } );
result->Type = ECode::Untyped;
result->Content = get_cached_string( { length, buf } );
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if ( result->Name == nullptr )
{
log_failure( "untyped_fmt: could not cache string" );
return CodeInvalid;
}
return result;
}
Code untyped_token_fmt( s32 num_tokens, ... )
{
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if ( num_tokens == 0 )
{
log_failure( "untyped_token_fmt: zero tokens" );
return CodeInvalid;
}
local_persist thread_local
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char buf[GEN_PRINTF_MAXLEN] = { 0 };
va_list va;
va_start(va, num_tokens);
sw length = token_fmt_va(buf, GEN_PRINTF_MAXLEN, num_tokens, va);
va_end(va);
Code
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result = make_code();
result->Name = get_cached_string( { length, buf } );
result->Type = ECode::Untyped;
result->Content = result->Name;
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if ( result->Name == nullptr )
{
log_failure( "untyped_fmt: could not cache string" );
return CodeInvalid;
}
return result;
}