Sweden-Number/dlls/vbscript/interp.c

84 lines
1.8 KiB
C

/*
* Copyright 2011 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include "vbscript.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
typedef struct {
vbscode_t *code;
instr_t *instr;
} exec_ctx_t;
typedef HRESULT (*instr_func_t)(exec_ctx_t*);
static HRESULT interp_icallv(exec_ctx_t *ctx)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT interp_ret(exec_ctx_t *ctx)
{
TRACE("\n");
ctx->instr = NULL;
return S_OK;
}
static const instr_func_t op_funcs[] = {
#define X(x,n,a,b) interp_ ## x,
OP_LIST
#undef X
};
static const unsigned op_move[] = {
#define X(x,n,a,b) n,
OP_LIST
#undef X
};
HRESULT exec_script(script_ctx_t *ctx, function_t *func)
{
exec_ctx_t exec;
vbsop_t op;
HRESULT hres = S_OK;
exec.code = func->code_ctx;
exec.instr = exec.code->instrs + func->code_off;
while(exec.instr) {
op = exec.instr->op;
hres = op_funcs[op](&exec);
if(FAILED(hres)) {
FIXME("Failed %08x\n", hres);
break;
}
exec.instr += op_move[op];
}
return hres;
}