text: /*
   * CDDL HEADER START
   *
   * The contents of this file are subject to the terms of the
   * Common Development and Distribution License, Version 1.0 only
   * (the "License").  You may not use this file except in compliance
   * with the License.
   *
   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   * or http://www.opensolaris.org/os/licensing.
   * See the License for the specific language governing permissions
   * and limitations under the License.
   *
   * When distributing Covered Code, include this CDDL HEADER in each
   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
   * If applicable, add the following below this CDDL HEADER, with the
   * fields enclosed by brackets "[]" replaced with your own identifying
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
  /*	  All Rights Reserved  	*/
  
  #pragma ident	"%Z%%M%	%I%	%E% SMI"
  
  #include <stdio.h>
  #include "awk.def"
  #include "awk.h"
  #include <ctype.h>
  #include <wctype.h>
  #include "awktype.h"
  #include <stdlib.h>
  
  FILE	*infile	= NULL;
  wchar_t *file;
  #define	RECSIZE (5 * 512)
  wchar_t record[RECSIZE];
  wchar_t fields[RECSIZE];
  wchar_t L_NULL[] = L"";
  
  
  #define	MAXFLD	100
  int	donefld;	/* 1 = implies rec broken into fields */
  int	donerec;	/* 1 = record is valid (no flds have changed) */
  int	mustfld;	/* 1 = NF seen, so always break */
  static wchar_t L_record[] = L"$record";
  
  
  #define	FINIT	{ OCELL, CFLD, 0, L_NULL, 0.0, FLD|STR }
  CELL fldtab[MAXFLD] = {		/* room for fields */
  	{ OCELL, CFLD, L_record, record, 0.0, STR|FLD},
  		FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT,
  	FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT, FINIT
  };
  int	maxfld	= 0;	/* last used field */
  /* pointer to CELL for maximum field assigned to */
  CELL	*maxmfld = &fldtab[0];
  
  static int isclvar(wchar_t *);
  static void setclvar(wchar_t *);
  void fldbld(void);
  
  int
  getrec(void)
  {
  	wchar_t *rr, *er;
  	int c, sep;
  	FILE *inf;
  	extern int svargc;
  	extern wchar_t **svargv;
  
  
  	dprintf("**RS=%o, **FS=%o\n", **RS, **FS, NULL);
  	donefld = 0;
  	donerec = 1;
  	record[0] = 0;
  	er = record + RECSIZE;
  	while (svargc > 0) {
  		dprintf("svargc=%d, *svargv=%ws\n", svargc, *svargv, NULL);
  		if (infile == NULL) {	/* have to open a new file */
  			/*
  			 * If the argument contains a '=', determine if the
  			 * argument needs to be treated as a variable assignment
  			 * or as the pathname of a file.
  			 */
  			if (isclvar(*svargv)) {
  				/* it's a var=value argument */
  				setclvar(*svargv);
  				if (svargc > 1) {
  					svargv++;
  					svargc--;
  					continue;
  				}
  				*svargv = L"-";
  			}
  			*FILENAME = file = *svargv;
  			dprintf("opening file %ws\n", file, NULL, NULL);
  			if (*file == (wchar_t)L'-')
  				infile = stdin;
  			else if ((infile = fopen(toeuccode(file), "r")) == NULL)
  				error(FATAL, "can't open %ws", file);
  		}
  		if ((sep = **RS) == 0)
  			sep = '\n';
  		inf = infile;
  		for (rr = record; /* dummy */; /* dummy */) {
  			for (; (c = getwc(inf)) != sep && c != EOF && rr < er;
  			    *rr++ = c)
  				;
  			if (rr >= er)
  				error(FATAL, "record `%.20ws...' too long",
  				    record);
  			if (**RS == sep || c == EOF)
  				break;
  			if ((c = getwc(inf)) == '\n' || c == EOF)
  			/* 2 in a row */
  				break;
  			*rr++ = '\n';
  			*rr++ = c;
  		}
  		if (rr >= er)
  			error(FATAL, "record `%.20ws...' too long", record);
  		*rr = 0;
  		if (mustfld)
  			fldbld();
  		if (c != EOF || rr > record) {	/* normal record */
  			recloc->tval &= ~NUM;
  			recloc->tval |= STR;
  			++nrloc->fval;
  			nrloc->tval &= ~STR;
  			nrloc->tval |= NUM;
  			return (1);
  		}
  		/* EOF arrived on this file; set up next */
  		if (infile != stdin)
  			fclose(infile);
  		infile = NULL;
  		svargc--;
  		svargv++;
  	}
  	return (0);	/* true end of file */
  }
  
  /*
   * isclvar()
   *
   * Returns 1 if the input string, arg, is a variable assignment,
   * otherwise returns 0.
   *
   * An argument to awk can be either a pathname of a file, or a variable
   * assignment.  An operand that begins with an undersore or alphabetic
   * character from the portable character set, followed by a sequence of
   * underscores, digits, and alphabetics from the portable character set,
   * followed by the '=' character, shall specify a variable assignment
   * rather than a pathname.
   */
  static int
  isclvar(wchar_t *arg)
  {
  	wchar_t	*tmpptr = arg;
  
  	if (tmpptr != NULL) {
  
  		/* Begins with an underscore or alphabetic character */
  		if (iswalpha(*tmpptr) || *tmpptr == '_') {
  
  			/*
  			 * followed by a sequence of underscores, digits,
  			 * and alphabetics
  			 */
  			for (tmpptr++; *tmpptr; tmpptr++) {
  				if (!(iswalnum(*tmpptr) || (*tmpptr == '_'))) {
  					break;
  				}
  			}
  			return (*tmpptr == '=');
  		}
  	}
  
  	return (0);
  }
  
  static void
  setclvar(wchar_t *s)	/* set var=value from s */
  {
  	wchar_t *p;
  	CELL *q;
  
  
  	for (p = s; *p != '='; p++)
  		;
  	*p++ = 0;
  	q = setsymtab(s, tostring(p), 0.0, STR, symtab);
  	setsval(q, p);
  	dprintf("command line set %ws to |%ws|\n", s, p, NULL);
  }
  
  
  void
  fldbld(void)
  {
  	wchar_t *r, *fr, sep, c;
  	static wchar_t L_NF[] = L"NF";
  	CELL *p, *q;
  	int i, j;
  
  
  	r = record;
  	fr = fields;
  	i = 0;	/* number of fields accumulated here */
  	if ((sep = **FS) == ' ')
  		for (i = 0; /* dummy */; /* dummy */) {
  			c = *r;
  			while (iswblank(c) || c == '\t' || c == '\n')
  				c = *(++r);
  			if (*r == 0)
  				break;
  			i++;
  			if (i >= MAXFLD)
  				error(FATAL,
  			"record `%.20ws...' has too many fields", record);
  			if (!(fldtab[i].tval&FLD))
  				xfree(fldtab[i].sval);
  			fldtab[i].sval = fr;
  			fldtab[i].tval = FLD | STR;
  			do {
  				*fr++ = *r++;
  				c = *r;
  			} while (! iswblank(c) && c != '\t' &&
  			    c != '\n' && c != '\0');
  
  
  			*fr++ = 0;
  
  	} else if (*r != 0)	/* if 0, it's a null field */
  		for (;;) {
  			i++;
  			if (i >= MAXFLD)
  				error(FATAL,
  			"record `%.20ws...' has too many fields", record);
  			if (!(fldtab[i].tval&FLD))
  				xfree(fldtab[i].sval);
  			fldtab[i].sval = fr;
  			fldtab[i].tval = FLD | STR;
  			while ((c = *r) != sep && c != '\n' && c != '\0')
  				/* \n always a separator */
  				*fr++ = *r++;
  			*fr++ = 0;
  			if (*r++ == 0)
  				break;
  		}
  	*fr = 0;
  	/* clean out junk from previous record */
  	for (p = maxmfld, q = &fldtab[i]; p > q; p--) {
  		if (!(p->tval&FLD))
  			xfree(p->sval);
  		p->tval = STR | FLD;
  		p->sval = L_NULL;
  	}
  	maxfld = i;
  	maxmfld = &fldtab[i];
  	donefld = 1;
  	for (i = 1; i <= maxfld; i++)
  		if (isanumber(fldtab[i].sval)) {
  			fldtab[i].fval = watof(fldtab[i].sval);
  			fldtab[i].tval |= NUM;
  		}
  	setfval(lookup(L_NF, symtab, 0), (awkfloat) maxfld);
  	if (dbg)
  		for (i = 0; i <= maxfld; i++)
  			printf("field %d: |%ws|\n", i, fldtab[i].sval);
  }
  
  
  void
  recbld(void)
  {
  	int i;
  	wchar_t *r, *p;
  
  
  	if (donefld == 0 || donerec == 1)
  		return;
  	r = record;
  	for (i = 1; i <= *NF; i++) {
  		p = getsval(&fldtab[i]);
  		while (*r++ = *p++)
  			;
  		*(r-1) = **OFS;
  	}
  	*(r-1) = '\0';
  	dprintf("in recbld FS=%o, recloc=%o\n", **FS, recloc, NULL);
  	recloc->tval = STR | FLD;
  	dprintf("in recbld FS=%o, recloc=%o\n", **FS, recloc, NULL);
  	if (r > record+RECSIZE)
  		error(FATAL, "built giant record `%.20ws...'", record);
  	dprintf("recbld = |%ws|\n", record, NULL, NULL);
  }
  
  
  CELL *
  fieldadr(n)
  {
  	if (n < 0 || n >= MAXFLD)
  		error(FATAL, "trying to access field %d", n);
  	return (&fldtab[n]);
  }
  
  
  int	errorflag	= 0;
  
  
  int
  yyerror(char *s)
  {
  	fprintf(stderr,
  	    gettext("awk: %s near line %lld\n"), gettext(s), lineno);
  	errorflag = 2;
  	return (0);
  }
  
  
  void
  error(f, s, a1, a2, a3, a4, a5, a6, a7)
  {
  	fprintf(stderr, "awk: ");
  	fprintf(stderr, gettext((char *)s), a1, a2, a3, a4, a5, a6, a7);
  	fprintf(stderr, "\n");
  	if (NR && *NR > 0)
  		fprintf(stderr, gettext(" record number %g\n"), *NR);
  	if (f)
  		exit(2);
  }
  
  
  void
  PUTS(char *s)
  {
  	dprintf("%s\n", s, NULL, NULL);
  }
  
  
  #define	MAXEXPON	38	/* maximum exponenet for fp number */
  
  
  int
  isanumber(wchar_t *s)
  {
  	int d1, d2;
  	int point;
  	wchar_t *es;
  	extern wchar_t	radixpoint;
  
  	d1 = d2 = point = 0;
  	while (*s == ' ' || *s == '\t' || *s == '\n')
  		s++;
  	if (*s == '\0')
  		return (0);	/* empty stuff isn't number */
  	if (*s == '+' || *s == '-')
  		s++;
  	/*
  	 * Since, iswdigit() will include digit from other than code set 0,
  	 * we have to check it from code set 0 or not.
  	 */
  	if (!(iswdigit(*s) && iswascii(*s)) && *s != radixpoint)
  		return (0);
  	if (iswdigit(*s) && iswascii(*s)) {
  		do {
  			d1++;
  			s++;
  		} while (iswdigit(*s) && iswascii(*s));
  	}
  	if (d1 >= MAXEXPON)
  		return (0);	/* too many digits to convert */
  	if (*s == radixpoint) {
  		point++;
  		s++;
  	}
  	if (iswdigit(*s) && iswascii(*s)) {
  		d2++;
  		do {
  			s++;
  		} while (iswdigit(*s) && iswascii(*s));
  	}
  
  
  	if (!(d1 || point && d2))
  		return (0);
  	if (*s == 'e' || *s == 'E') {
  		s++;
  		if (*s == '+' || *s == '-')
  			s++;
  		if (!(iswdigit(*s) && iswascii(*s)))
  			return (0);
  		es = s;
  		do {
  			s++;
  		} while (iswdigit(*s) && iswascii(*s));
  
  
  		if (s - es > 2)
  			return (0);
  		else if (s - es == 2 &&
  		    10 * (*es-'0') + *(es+1)-'0' >= MAXEXPON)
  			return (0);
  	}
  	while (*s == ' ' || *s == '\t' || *s == '\n')
  		s++;
  	if (*s == '\0')
  		return (1);
  	else
  		return (0);
  }
  char *
  toeuccode(str)
  wchar_t *str;
  {
  	static char euccode[RECSIZE];
  
  	(void) wcstombs(euccode, str, RECSIZE);
  	return (euccode);
  }
  