[unix-history] / usr / src / cmd / pxp / const.c

/* Copyright (c) 1979 Regents of the University of California */
#
/*
 * pxp - Pascal execution profiler
 *
 * Bill Joy UCB
 * Version 1.2 January 1979
 */

#include "0.h"
#include "tree.h"

STATIC	int constcnt -1;

/*
 * The const declaration part
 */
constbeg(l, cline)
	int l, cline;
{

	line = l;
	if (nodecl)
		printoff();
	puthedr();
	putcm();
	ppnl();
	indent();
	ppkw("const");
	ppgoin(DECL);
	constcnt = 0;
	setline(cline);
}

const(cline, cid, cdecl)
	int cline;
	char *cid;
	int *cdecl;
{

	if (constcnt)
		putcm();
	setline(cline);
	ppitem();
	ppid(cid);
	ppsep(" = ");
	gconst(cdecl);
	ppsep(";");
	constcnt++;
	setinfo(cline);
	putcml();
}

constend()
{

	if (constcnt == -1)
		return;
	if (nodecl)
		return;
	if (constcnt == 0)
		ppid("{const decls}");
	ppgoout(DECL);
	constcnt = -1;
}

/*
 * A constant in an expression
 * or a declaration.
 */
gconst(r)
	int *r;
{
	register *cn;

	cn = r;
loop:
	if (cn == NIL) {
		ppid("{constant}");
		return;
	}
	switch (cn[0]) {
		default:
			panic("gconst");
		case T_PLUSC:
			ppop("+");
			cn = cn[1];
			goto loop;
		case T_MINUSC:
			ppop("-");
			cn = cn[1];
			goto loop;
		case T_ID:
			ppid(cn[1]);
			return;
		case T_CBINT:
		case T_CINT:
		case T_CFINT:
			ppnumb(cn[1]);
			if (cn[0] == T_CBINT)
				ppsep("b");
			return;
		case T_CSTRNG:
			ppstr(cn[1]);
			return;
	}
}
Commit	Line	Data
49e8dbd7 BJ	1	/* Copyright (c) 1979 Regents of the University of California */
	2	#
	3	/*
	4	* pxp - Pascal execution profiler
	5	*
	6	* Bill Joy UCB
	7	* Version 1.2 January 1979
	8	*/
	9
	10	#include "0.h"
	11	#include "tree.h"
	12
	13	STATIC int constcnt -1;
	14
	15	/*
	16	* The const declaration part
	17	*/
	18	constbeg(l, cline)
	19	int l, cline;
	20	{
	21
	22	line = l;
	23	if (nodecl)
	24	printoff();
	25	puthedr();
	26	putcm();
	27	ppnl();
	28	indent();
	29	ppkw("const");
	30	ppgoin(DECL);
	31	constcnt = 0;
	32	setline(cline);
	33	}
	34
	35	const(cline, cid, cdecl)
	36	int cline;
	37	char *cid;
	38	int *cdecl;
	39	{
	40
	41	if (constcnt)
	42	putcm();
	43	setline(cline);
	44	ppitem();
	45	ppid(cid);
	46	ppsep(" = ");
	47	gconst(cdecl);
	48	ppsep(";");
	49	constcnt++;
	50	setinfo(cline);
	51	putcml();
	52	}
	53
	54	constend()
	55	{
	56
	57	if (constcnt == -1)
	58	return;
	59	if (nodecl)
	60	return;
	61	if (constcnt == 0)
	62	ppid("{const decls}");
	63	ppgoout(DECL);
	64	constcnt = -1;
65	}
66
67	/*
68	* A constant in an expression
69	* or a declaration.
70	*/
71	gconst(r)
72	int *r;
73	{
74	register *cn;
75
76	cn = r;
77	loop:
78	if (cn == NIL) {
79	ppid("{constant}");
80	return;
81	}
82	switch (cn[0]) {
83	default:
84	panic("gconst");
85	case T_PLUSC:
86	ppop("+");
87	cn = cn[1];
88	goto loop;
89	case T_MINUSC:
90	ppop("-");
91	cn = cn[1];
92	goto loop;
93	case T_ID:
94	ppid(cn[1]);
95	return;
96	case T_CBINT:
97	case T_CINT:
98	case T_CFINT:
99	ppnumb(cn[1]);
100	if (cn[0] == T_CBINT)
101	ppsep("b");
102	return;
103	case T_CSTRNG:
104	ppstr(cn[1]);
105	return;
106	}
107	}