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C++ popstackmark函数代码示例

本文整理汇总了C++中popstackmark函数的典型用法代码示例。如果您正苦于以下问题：C++ popstackmark函数的具体用法？C++ popstackmark怎么用？C++ popstackmark使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了popstackmark函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: evalstring

void
evalstring(char *s, int flags)
{
	union node *n;
	struct stackmark smark;
	int flags_exit;
	int any;

	flags_exit = flags & EV_EXIT;
	flags &= ~EV_EXIT;
	any = 0;
	setstackmark(&smark);
	setinputstring(s, 1);
	while ((n = parsecmd(0)) != NEOF) {
		if (n != NULL && !nflag) {
			if (flags_exit && preadateof())
				evaltree(n, flags | EV_EXIT);
			else
				evaltree(n, flags);
			any = 1;
		}
		popstackmark(&smark);
		setstackmark(&smark);
	}
	popfile();
	popstackmark(&smark);
	if (!any)
		exitstatus = 0;
	if (flags_exit)
		exraise(EXEXIT);
}
开发者ID:dpl0，项目名称:soc2013，代码行数:31，代码来源:eval.c

示例2: evalcase

static union node *
evalcase(union node *n)
{
	union node *cp;
	union node *patp;
	struct arglist arglist;
	struct stackmark smark;

	setstackmark(&smark);
	arglist.lastp = &arglist.list;
	oexitstatus = exitstatus;
	expandarg(n->ncase.expr, &arglist, EXP_TILDE);
	for (cp = n->ncase.cases ; cp ; cp = cp->nclist.next) {
		for (patp = cp->nclist.pattern ; patp ; patp = patp->narg.next) {
			if (casematch(patp, arglist.list->text)) {
				popstackmark(&smark);
				while (cp->nclist.next &&
				    cp->type == NCLISTFALLTHRU &&
				    cp->nclist.body == NULL)
					cp = cp->nclist.next;
				if (cp->nclist.next &&
				    cp->type == NCLISTFALLTHRU)
					return (cp);
				if (cp->nclist.body == NULL)
					exitstatus = 0;
				return (cp->nclist.body);
			}
		}
	}
	popstackmark(&smark);
	exitstatus = 0;
	return (NULL);
}
开发者ID:Urge2Learn，项目名称:freebsd-head，代码行数:33，代码来源:eval.c

示例3: evalstring

void
evalstring(char *s, int flags)
{
	union node *n;
	struct stackmark smark;
	int flags_exit;

	flags_exit = flags & EV_EXIT;
	flags &= ~EV_EXIT;
	setstackmark(&smark);
	setinputstring(s, 1);
	while ((n = parsecmd(0)) != NEOF) {
		if (n != NULL) {
			if (flags_exit && preadateof())
				evaltree(n, flags | EV_EXIT);
			else
				evaltree(n, flags);
		}
		popstackmark(&smark);
	}
	popfile();
	popstackmark(&smark);
	if (flags_exit)
		exitshell(exitstatus);
}
开发者ID:grayshadow212，项目名称:usr.src，代码行数:25，代码来源:eval.c

示例4: cmdloop

void
cmdloop(int top)
{
	union node *n;
	struct stackmark smark;
	int inter;
	int numeof = 0;
	enum skipstate skip;

	TRACE(("cmdloop(%d) called\n", top));
	setstackmark(&smark);
	for (;;) {
		if (pendingsigs)
			dotrap();
		inter = 0;
		if (iflag == 1 && top) {
			inter = 1;
			showjobs(out2, SHOW_CHANGED);
			chkmail(0);
			flushout(&errout);
			nflag = 0;
		}
		n = parsecmd(inter);
		TRACE(("cmdloop: "); showtree(n));
		/* showtree(n); DEBUG */
		if (n == NEOF) {
			if (!top || numeof >= 50)
				break;
			if (nflag)
				break;
			if (!stoppedjobs()) {
				if (!iflag || !Iflag)
					break;
				out2str("\nUse \"exit\" to leave shell.\n");
			}
			numeof++;
		} else if (n != NULL && nflag == 0) {
			job_warning = (job_warning == 2) ? 1 : 0;
			numeof = 0;
			evaltree(n, EV_MORE);
		}
		popstackmark(&smark);
		setstackmark(&smark);

		/*
		 * Any SKIP* can occur here!  SKIP(FUNC|BREAK|CONT) occur when
		 * a dotcmd is in a loop or a function body and appropriate
		 * built-ins occurs in file scope in the sourced file.  Values
		 * other than SKIPFILE are reset by the appropriate eval*()
		 * that contained the dotcmd() call.
		 */
		skip = current_skipstate();
		if (skip != SKIPNONE) {
			if (skip == SKIPFILE)
				stop_skipping();
			break;
		}
	}
	popstackmark(&smark);
}
开发者ID:tombibsd，项目名称:netbsd-src，代码行数:60，代码来源:main.c

示例5: evalstring

void
evalstring(char *s)
{
	union node *n;
	struct stackmark smark;

	setstackmark(&smark);
	setinputstring(s, 1);
	while ((n = parsecmd(0)) != NEOF) {
		evaltree(n, 0);
		popstackmark(&smark);
	}
	popfile();
	popstackmark(&smark);
}
开发者ID:7shi，项目名称:minix-tools，代码行数:15，代码来源:eval.c

示例6: cmdloop

static void
cmdloop(int top)
{
	union node *n;
	struct stackmark smark;
	int inter;
	int numeof = 0;

	TRACE(("cmdloop(%d) called\n", top));
	setstackmark(&smark);
	for (;;) {
		if (pendingsig)
			dotrap();
		inter = 0;
		if (iflag && top) {
			inter++;
			showjobs(1, SHOWJOBS_DEFAULT);
#ifndef CBSD
			chkmail(0);
#endif
			flushout(&output);
		}
		n = parsecmd(inter);
		/* showtree(n); DEBUG */
		if (n == NEOF) {
			if (!top || numeof >= 50)
				break;
			if (!stoppedjobs()) {
				if (!Iflag)
					break;
				out2fmt_flush("\nUse \"exit\" to leave shell.\n");
			}
			numeof++;
		} else if (n != NULL && nflag == 0) {
			job_warning = (job_warning == 2) ? 1 : 0;
			numeof = 0;
			evaltree(n, 0);
		}
		popstackmark(&smark);
		setstackmark(&smark);
		if (evalskip != 0) {
			if (evalskip == SKIPRETURN)
				evalskip = 0;
			break;
		}
	}
	popstackmark(&smark);
}
开发者ID:cbsd，项目名称:cbsd，代码行数:48，代码来源:main.c

示例7: dotcmd

int
dotcmd(int argc, char **argv)
{
	exitstatus = 0;

	if (argc >= 2) {		/* That's what SVR2 does */
		char *fullname;
		/*
		 * dot_funcnest needs to be 0 when not in a dotcmd, so it
		 * cannot be restored with (funcnest + 1).
		 */
		int dot_funcnest_old;
		struct stackmark smark;

		setstackmark(&smark);
		fullname = find_dot_file(argv[1]);
		setinputfile(fullname, 1);
		commandname = fullname;
		dot_funcnest_old = dot_funcnest;
		dot_funcnest = funcnest + 1;
		cmdloop(0);
		dot_funcnest = dot_funcnest_old;
		popfile();
		popstackmark(&smark);
	}
	return exitstatus;
}
开发者ID:zhouxh1023，项目名称:netbsd-src，代码行数:27，代码来源:eval.c

示例8: evalcase

static void
evalcase(union node *n, int flags)
{
	union node *cp;
	union node *patp;
	struct arglist arglist;
	struct stackmark smark;

	setstackmark(&smark);
	arglist.lastp = &arglist.list;
	oexitstatus = exitstatus;
	exitstatus = 0;
	expandarg(n->ncase.expr, &arglist, EXP_TILDE);
	for (cp = n->ncase.cases ; cp && evalskip == 0 ; cp = cp->nclist.next) {
		for (patp = cp->nclist.pattern ; patp ; patp = patp->narg.next) {
			if (casematch(patp, arglist.list->text)) {
				if (evalskip == 0) {
					evaltree(cp->nclist.body, flags);
				}
				goto out;
			}
		}
	}
out:
	popstackmark(&smark);
}
开发者ID:grayshadow212，项目名称:usr.src，代码行数:26，代码来源:eval.c

示例9: evalcase

STATIC void
evalcase(shinstance *psh, union node *n, int flags)
{
	union node *cp;
	union node *patp;
	struct arglist arglist;
	struct stackmark smark;
	int status = 0;

	setstackmark(psh, &smark);
	arglist.lastp = &arglist.list;
	expandarg(psh, n->ncase.expr, &arglist, EXP_TILDE);
	for (cp = n->ncase.cases ; cp && psh->evalskip == 0 ; cp = cp->nclist.next) {
		for (patp = cp->nclist.pattern ; patp ; patp = patp->narg.next) {
			if (casematch(psh, patp, arglist.list->text)) {
				if (psh->evalskip == 0) {
					evaltree(psh, cp->nclist.body, flags);
					status = psh->exitstatus;
				}
				goto out;
			}
		}
	}
out:
	psh->exitstatus = status;
	popstackmark(psh, &smark);
}
开发者ID:dezelin，项目名称:kBuild，代码行数:27，代码来源:eval.c

示例10: evalstring

void
evalstring(shinstance *psh, char *s, int flag)
{
	union node *n;
	struct stackmark smark;

	setstackmark(psh, &smark);
	setinputstring(psh, s, 1);

	while ((n = parsecmd(psh, 0)) != NEOF) {
		evaltree(psh, n, flag);
		popstackmark(psh, &smark);
	}
	popfile(psh);
	popstackmark(psh, &smark);
}
开发者ID:dezelin，项目名称:kBuild，代码行数:16，代码来源:eval.c

示例11: evalfor

static void
evalfor(union node *n, int flags)
{
	struct arglist arglist;
	union node *argp;
	struct strlist *sp;
	struct stackmark smark;

	setstackmark(&smark);
	arglist.lastp = &arglist.list;
	for (argp = n->nfor.args ; argp ; argp = argp->narg.next) {
		oexitstatus = exitstatus;
		expandarg(argp, &arglist, EXP_FULL | EXP_TILDE);
	}
	*arglist.lastp = NULL;

	exitstatus = 0;
	loopnest++;
	for (sp = arglist.list ; sp ; sp = sp->next) {
		setvar(n->nfor.var, sp->text, 0);
		evaltree(n->nfor.body, flags);
		if (evalskip) {
			if (evalskip == SKIPCONT && --skipcount <= 0) {
				evalskip = 0;
				continue;
			}
			if (evalskip == SKIPBREAK && --skipcount <= 0)
				evalskip = 0;
			break;
		}
	}
	loopnest--;
	popstackmark(&smark);
}
开发者ID:glk，项目名称:freebsd-ino64，代码行数:34，代码来源:eval.c

示例12: cmdloop

void
cmdloop(struct shinstance *psh, int top)
{
	union node *n;
	struct stackmark smark;
	int inter;
	int numeof = 0;

	TRACE((psh, "cmdloop(%d) called\n", top));
	setstackmark(psh, &smark);
	for (;;) {
		if (psh->pendingsigs)
			dotrap(psh);
		inter = 0;
		if (iflag(psh) && top) {
			inter = 1;
			showjobs(psh, psh->out2, SHOW_CHANGED);
			chkmail(psh, 0);
			flushout(&psh->errout);
		}
		n = parsecmd(psh, inter);
		/* showtree(n); DEBUG */
		if (n == NEOF) {
			if (!top || numeof >= 50)
				break;
			if (!stoppedjobs(psh)) {
				if (!Iflag(psh))
					break;
				out2str(psh, "\nUse \"exit\" to leave shell.\n");
			}
			numeof++;
		} else if (n != NULL && nflag(psh) == 0) {
			psh->job_warning = (psh->job_warning == 2) ? 1 : 0;
			numeof = 0;
			evaltree(psh, n, 0);
		}
		popstackmark(psh, &smark);
		setstackmark(psh, &smark);
		if (psh->evalskip == SKIPFILE) {
			psh->evalskip = 0;
			break;
		}
	}
	popstackmark(psh, &smark);
}
开发者ID:dezelin，项目名称:kBuild，代码行数:45，代码来源:main.c

示例13: cmdloop

void
cmdloop(int top)
{
	union node *n;
	struct stackmark smark;
	int inter;
	int numeof = 0;

	TRACE(("cmdloop(%d) called\n", top));
	setstackmark(&smark);
	for (;;) {
		if (pendingsigs)
			dotrap();
		inter = 0;
		if (iflag && top) {
			inter = 1;
			showjobs(out2, SHOW_CHANGED);
			chkmail(0);
			flushout(&errout);
		}
		n = parsecmd(inter);
		/* showtree(n); DEBUG */
		if (n == NEOF) {
			if (!top || numeof >= 50)
				break;
			if (!stoppedjobs()) {
				if (!Iflag)
					break;
				out2str("\nUse \"exit\" to leave shell.\n");
			}
			numeof++;
		} else if (n != NULL && nflag == 0) {
			job_warning = (job_warning == 2) ? 1 : 0;
			numeof = 0;
			evaltree(n, 0);
		}
		popstackmark(&smark);
		setstackmark(&smark);
		if (evalskip == SKIPFILE) {
			evalskip = 0;
			break;
		}
	}
	popstackmark(&smark);
}
开发者ID:dezelin，项目名称:kBuild，代码行数:45，代码来源:main.c

示例14: evalstring

void
evalstring(char *s, int flag)
{
	union node *n;
	struct stackmark smark;

	setstackmark(&smark);
	setinputstring(s, 1);

	while ((n = parsecmd(0)) != NEOF) {
		TRACE(("evalstring: "); showtree(n));
		if (nflag == 0)
			evaltree(n, flag);
		popstackmark(&smark);
	}
	popfile();
	popstackmark(&smark);
}
开发者ID:zhouxh1023，项目名称:netbsd-src，代码行数:18，代码来源:eval.c

示例15: evalbackcmd

void
evalbackcmd(union node *n, struct backcmd *result)
{
	int pip[2];
	struct job *jp;
	struct stackmark smark;		/* unnecessary */

	setstackmark(&smark);
	result->fd = -1;
	result->buf = NULL;
	result->nleft = 0;
	result->jp = NULL;
	if (nflag || n == NULL) {
		goto out;
	}
#ifdef notyet
	/*
	 * For now we disable executing builtins in the same
	 * context as the shell, because we are not keeping
	 * enough state to recover from changes that are
	 * supposed only to affect subshells. eg. echo "`cd /`"
	 */
	if (n->type == NCMD) {
		exitstatus = oexitstatus;
		evalcommand(n, EV_BACKCMD, result);
	} else
#endif
	{
		INTOFF;
		if (sh_pipe(pip) < 0)
			error("Pipe call failed");
		jp = makejob(n, 1);
		if (forkshell(jp, n, FORK_NOJOB) == 0) {
			FORCEINTON;
			close(pip[0]);
			if (pip[1] != 1) {
				close(1);
				copyfd(pip[1], 1, 1, 0);
				close(pip[1]);
			}
			eflag = 0;
			evaltree(n, EV_EXIT);
			/* NOTREACHED */
		}
		close(pip[1]);
		result->fd = pip[0];
		result->jp = jp;
		INTON;
	}
out:
	popstackmark(&smark);
	TRACE(("evalbackcmd done: fd=%d buf=0x%x nleft=%d jp=0x%x\n",
		result->fd, result->buf, result->nleft, result->jp));
}
开发者ID:zhouxh1023，项目名称:netbsd-src，代码行数:54，代码来源:eval.c


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