[z88dk-dev] zcc_opt.def pragmas

[alvin]

I'm wondering if there is a reason a pragma is not defined as zero if it is set to zero:

void write_zcc_defined(char *name, int value)
{
add_zccopt("\nIF !DEFINED_%s\n",name);
add_zccopt("\tdefc\tDEFINED_%s = 1\n",name);
if (value) add_zccopt("\tdefc %s = %d\n",name,value);
add_zccopt("ENDIF\n\n");
}


I'm putting this into the C source:

#pragma output REGISTER_SP = -1 // set to 0 (top of memory)

#pragma output CRT_ENABLE_RESTART = 1 // not returning to basic
#pragma output CRT_ENABLE_CLOSE = 0 // do not close files on exit

#pragma output CLIB_EXIT_STACK_SIZE = 0 // no exit stack

#pragma output CLIB_MALLOC_HEAP_SIZE = 0 // no heap
#pragma output CLIB_STDIO_HEAP_SIZE = 0 // no stdio heap for files

#pragma output CLIB_FOPEN_MAX = 0 // no allocated FILE structures
#pragma output CLIB_OPEN_MAX = 0 // no fd table

and the 0 pragmas do not get written to the zcc_opt.def file:


IF !DEFINED_CLIB_MALLOC_HEAP_SIZE
defc DEFINED_CLIB_MALLOC_HEAP_SIZE = 1
ENDIF


IF !DEFINED_CLIB_STDIO_HEAP_SIZE
defc DEFINED_CLIB_STDIO_HEAP_SIZE = 1
ENDIF


IF !DEFINED_CLIB_FOPEN_MAX
defc DEFINED_CLIB_FOPEN_MAX = 1
ENDIF

etc.


They're marked as defined but do not get a defc set to zero. This does work because an undefined defc is 0 by default but it's interfering with some valid 0 pragmas I'm using in the new clib. So I'm wondering if it's ok to get zcc to write the 0 defcs?



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[dom]

On Tue, 6 Jan 2015, alvin (alvin_albrecht@...) wrote:

I'm wondering if there is a reason a pragma is not defined as zero if it is set to zero:

void write_zcc_defined(char *name, int value)
{
add_zccopt("\nIF !DEFINED_%s\n",name);
add_zccopt("\tdefc\tDEFINED_%s = 1\n",name);
if (value) add_zccopt("\tdefc %s = %d\n",name,value);
add_zccopt("ENDIF\n\n");
}

No reason that I can remember! Feel free to change it.

You'll need to change it in 3 places though:

sccz80/main.c::WriteDefined()
zcc/zcc.c::write_zcc_defined()
scanner/scanner.c::write_defined()



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hub for all things parallel software development, from weekly thought
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look and join the conversation now. http://goparallel.sourceforge.net