Yasm Assembler mainline development tree (ffmpeg 依赖)
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/*
* Value/Parameter type functions
*
* Copyright (C) 2001 Peter Johnson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#define YASM_LIB_INTERNAL
#include "util.h"
/*@unused@*/ RCSID("$Id$");
#include "coretype.h"
#include "valparam.h"
#include "expr.h"
yasm_valparam *
yasm_vp_create(/*@keep@*/ char *v, /*@keep@*/ yasm_expr *p)
{
yasm_valparam *r = yasm_xmalloc(sizeof(yasm_valparam));
r->val = v;
r->param = p;
return r;
}
void
yasm_vps_delete(yasm_valparamhead *headp)
{
yasm_valparam *cur, *next;
cur = STAILQ_FIRST(headp);
while (cur) {
next = STAILQ_NEXT(cur, link);
if (cur->val)
yasm_xfree(cur->val);
if (cur->param)
yasm_expr_destroy(cur->param);
yasm_xfree(cur);
cur = next;
}
STAILQ_INIT(headp);
}
void
yasm_vps_print(const yasm_valparamhead *headp, FILE *f)
{
const yasm_valparam *vp;
if(!headp) {
fprintf(f, "(none)");
return;
}
yasm_vps_foreach(vp, headp) {
if (vp->val)
fprintf(f, "(\"%s\",", vp->val);
else
fprintf(f, "((nil),");
if (vp->param)
yasm_expr_print(vp->param, f);
else
fprintf(f, "(nil)");
fprintf(f, ")");
if (yasm_vps_next(vp))
fprintf(f, ",");
}
}
yasm_valparamhead *
yasm_vps_create(void)
{
yasm_valparamhead *headp = yasm_xmalloc(sizeof(yasm_valparamhead));
yasm_vps_initialize(headp);
return headp;
}
void
yasm_vps_destroy(yasm_valparamhead *headp)
{
yasm_vps_delete(headp);
yasm_xfree(headp);
}
/* Non-macro yasm_vps_append() for non-YASM_LIB_INTERNAL users. */
#undef yasm_vps_append
void
yasm_vps_append(yasm_valparamhead *headp, /*@keep@*/ yasm_valparam *vp)
{
if (vp)
STAILQ_INSERT_TAIL(headp, vp, link);
}
/* Non-macro yasm_vps_first() for non-YASM_LIB_INTERNAL users. */
#undef yasm_vps_first
/*@null@*/ /*@dependent@*/ yasm_valparam *
yasm_vps_first(yasm_valparamhead *headp)
{
return STAILQ_FIRST(headp);
}
/* Non-macro yasm_vps_next() for non-YASM_LIB_INTERNAL users. */
#undef yasm_vps_next
/*@null@*/ /*@dependent@*/ yasm_valparam *
yasm_vps_next(yasm_valparam *cur)
{
return STAILQ_NEXT(cur, link);
}