gencpp/test/upfront/Ring.Upfront.hpp

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#pragma once
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#if GEN_TIME
#include "gen.hpp"
#include "Buffer.Upfront.hpp"
using namespace gen;
Code gen__ring( StrC type )
{
static CodeType t_allocator_info = def_type( name(AllocatorInfo) );
String name;
{
char const* name_str = str_fmt_buf( "Ring_%s\0", type.Ptr );
s32 name_len = str_len( name_str );
name = get_cached_string({ name_len, name_str });
};
CodeType t_ring_type = def_type( name );
CodeType t_ring_type_ptr = def_type( name, __, spec_ptr );
CodeType t_type = def_type( type );
CodeType t_type_ptr = def_type( type, __, spec_ptr );
CodeType t_type_ref = def_type( type, __, spec_ref );
CodeType t_buffer_type;
{
char const* name_str = str_fmt_buf( "Buffer_%s\0", type.Ptr );
s32 len = str_len( name_str );
t_buffer_type = def_type( { len, name_str } );
}
CodeStruct ring = {0};
{
CodeUsing using_type = def_using( name(Type), t_type );
CodeVar backing = def_variable( t_allocator_info, name(Backing) );
CodeVar capacity = def_variable( t_uw, name(Capacity) );
CodeVar head = def_variable( t_uw, name(Head) );
CodeVar tail = def_variable( t_uw, name(Tail) );
CodeVar buffer = def_variable( t_buffer_type, name(Buffer) );
CodeFn init;
{
CodeParam params = def_params( args(
def_param( t_allocator_info, name(allocator) )
, def_param( t_uw, name(max_size) )
));
char const* tmpl = stringize(
<type> result = { 0 };
result.Backing = allocator;
result.Buffer = Buffer_<data_type>::init( allocator, max_size + 1 );
if ( result.Buffer == nullptr )
return { nullptr };
result.Capacity = max_size + 1;
return result;
);
Code body = def_execution( token_fmt( "type", (StrC)name, "data_type", type, tmpl ));
init = def_function( name(init), params, t_ring_type, body, spec_static_member );
}
CodeFn append = def_function( name(append), def_param( t_type, name(value)), t_void
, def_execution( code(
Buffer[ Head ] = value;
Head = ( Head + 1 ) % Capacity;
if ( Head == Tail )
Tail = ( Tail + 1 ) % Capacity;
))
);
CodeFn appendv;
{
CodeParam params = def_params( 2
, def_param( t_type_ptr, name(values))
, def_param( t_sw, name(num))
);
Code body = def_execution( code(
for ( sw idx = 0; idx < num; idx++ )
append( values[ idx ] );
));
appendv = def_function( name(append), params, t_void, body, spec_inline );
}
CodeFn empty = def_function( name(empty), __, t_bool
, def_execution( code(
return Head == Tail;
))
);
CodeFn free = def_function( name(free), __, t_void
, def_execution( code(
Buffer.free();
))
);
CodeFn full = def_function( name(full), __, t_bool
, def_execution( code(
return (Head + 1) % Capacity == Tail;
))
);
CodeFn get = def_function( name(get), __, t_type_ref
, def_execution( code(
Type& data = Buffer[ Tail ];
Tail = ( Tail + 1 ) % Capacity;
return data;
))
);
CodeFn wipe = def_function( name(wipe), __, t_void
, def_execution( code(
Head = 0;
Tail = 0;
Buffer.wipe();
))
);
ring = def_struct( name, def_struct_body( args(
using_type,
init,
append,
appendv,
empty,
free,
full,
get,
wipe,
backing,
capacity,
head,
tail,
buffer
)));
}
return ring;
}
struct GenRingRequest
{
StrC Dependency;
StrC Type;
};
Array<GenRingRequest> GenRingRequests;
void gen__ring_request( StrC type, StrC dep = {} )
{
do_once_start
GenRingRequests = Array<GenRingRequest>::init( GlobalAllocator );
do_once_end
// Make sure we don't already have a request for the type.
for ( sw idx = 0; idx < GenRingRequests.num(); ++idx )
{
StrC const reqest_type = GenRingRequests[ idx ].Type;
if ( reqest_type.Len != type.Len )
continue;
if ( str_compare( reqest_type.Ptr, type.Ptr, reqest_type.Len ) == 0 )
return;
}
// Ring definition depends on a array and buffer definition.
gen__buffer_request( type, dep );
GenRingRequest request = { dep, type };
GenRingRequests.append( request );
}
#define gen_ring( type ) gen__ring_request( code(type) )
u32 gen_ring_file()
{
Builder
gen_ring_file;
gen_ring_file.open( "ring.Upfront.gen.hpp" );
gen_ring_file.print( def_include( txt_StrC("gen.hpp")) );
gen_ring_file.print( def_include( txt_StrC("buffer.Upfront.gen.hpp")) );
gen_ring_file.print( def_using_namespace( name(gen)));
GenRingRequest* current = GenRingRequests;
s32 left = GenRingRequests.num();
while (left--)
{
GenRingRequest const& request = * current;
Code generated_ring = gen__ring( current->Type );
if ( request.Dependency )
{
char const* cmt_str = str_fmt_buf( "// Dependency for %s type", request.Type );
s32 cmt_len = str_len( cmt_str );
Code cmt = def_comment( { cmt_len, cmt_str } );
Code include = def_include( request.Dependency );
gen_ring_file.print( cmt );
gen_ring_file.print( include );
}
gen_ring_file.print( generated_ring );
current++;
}
gen_ring_file.write();
return 0;
}
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#endif // GEN_TIME