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diff lwbasic/emit.c @ 26:26aa76da75ad
Additional parsing in function/sub; emission of prolog/epilog code
author | lost@l-w.ca |
---|---|
date | Thu, 27 Jan 2011 20:44:57 -0700 |
parents | |
children | 77626fc37af2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lwbasic/emit.c Thu Jan 27 20:44:57 2011 -0700 @@ -0,0 +1,47 @@ +/* +emit.c + +Copyright © 2011 William Astle + +This file is part of LWTOOLS. + +LWTOOLS is free software: you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the Free Software +Foundation, either version 3 of the License, or (at your option) any later +version. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for +more details. + +You should have received a copy of the GNU General Public License along with +this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/* +This is the actual compiler bit; it drives the parser and code generation +*/ + +#include <stdio.h> + +#define __emit_c_seen__ +#include "lwbasic.h" + +void emit_prolog(cstate *state, int vis, int framesize) +{ + if (vis) + { + printf("\texport _%s\n", state -> currentsub); + } + printf("_%s\n", state -> currentsub); + if (framesize > 0) + { + printf("\tleas %d,s\n", -framesize); + } +} + +void emit_epilog(cstate *state) +{ + printf("\trts\n"); +}