--- /dev/null
+# Makefile for indent
+
+CFLAGS= -c -O -D_MINIX -D_POSIX_SOURCE -wo -m
+
+all: indent
+
+OBJ = args.o comment.o lexi.o indent.o parse.o io.o
+
+indent: ${OBJ}
+ $(CC) -o indent -i ${OBJ}
+ install -S 32kw $@
+
+install: /usr/bin/indent
+
+/usr/bin/indent: indent
+ install -cs -o bin indent $@
+
+$(OBJ): globs.h codes.h
+
+clean:
+ rm -f *.bak *.o core indent
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/*
+ * Argument scanning and profile reading code. Default parameters are set
+ * here as well.
+ */
+
+#define PUBLIC extern
+#include <sys/types.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include "globs.h"
+#include "proto.h"
+
+/* profile types */
+#define PRO_SPECIAL 1 /* special case */
+#define PRO_BOOL 2 /* boolean */
+#define PRO_INT 3 /* integer */
+#define PRO_FONT 4 /* troff font */
+
+/* profile specials for booleans */
+#define ON 1 /* turn it on */
+#define OFF 0 /* turn it off */
+
+/* profile specials for specials */
+#define IGN 1 /* ignore it */
+#define CLI 2 /* case label indent (float) */
+#define STDIN 3 /* use stdin */
+#define KEY 4 /* type (keyword) */
+
+/*
+ * N.B.: because of the way the table here is scanned, options whose names
+ * are substrings of other options must occur later; that is, with -lp vs -l,
+ * -lp must be first. Also, while (most) booleans occur more than once, the
+ * last default value is the one actually assigned.
+ */
+struct pro
+{
+ char *p_name; /* name, eg -bl, -cli */
+ int p_type; /* type (int, bool, special) */
+ int p_default; /* the default value (if int) */
+ int p_special; /* depends on type */
+ int *p_obj; /* the associated variable */
+} pro[] =
+
+{
+
+ "T", PRO_SPECIAL, 0, KEY, 0,
+ "bacc", PRO_BOOL, false, ON, &bl_around,
+ "badp", PRO_BOOL, false, ON, &bl_at_proctop,
+ "bad", PRO_BOOL, false, ON, &bl_aft_decl,
+ "bap", PRO_BOOL, false, ON, &bl_a_procs,
+ "bbb", PRO_BOOL, false, ON, &bl_bef_bk,
+ "bc", PRO_BOOL, true, OFF, &ps.leave_comma,
+ "bl", PRO_BOOL, true, OFF, &btype_2,
+ "br", PRO_BOOL, true, ON, &btype_2,
+ "bs", PRO_BOOL, false, ON, &Bill_Shannon,
+ "cdb", PRO_BOOL, true, ON, &del_on_bl,
+ "cd", PRO_INT, 0, 0, &ps.decl_com_ind,
+ "ce", PRO_BOOL, true, ON, &cuddle_else,
+ "ci", PRO_INT, 0, 0, &continuation_indent,
+ "cli", PRO_SPECIAL, 0, CLI, 0,
+ "c", PRO_INT, 33, 0, &ps.com_ind,
+ "di", PRO_INT, 16, 0, &ps.decl_indent,
+ "dj", PRO_BOOL, false, ON, &ps.ljust_decl,
+ "d", PRO_INT, 0, 0, &ps.unindent_displace,
+ "eei", PRO_BOOL, false, ON, &ex_expr_indent,
+ "ei", PRO_BOOL, true, ON, &ps.else_if,
+ "fbc", PRO_FONT, 0, 0, (int *) &blkcomf,
+ "fbx", PRO_FONT, 0, 0, (int *) &boxcomf,
+ "fb", PRO_FONT, 0, 0, (int *) &bodyf,
+ "fc1", PRO_BOOL, true, ON, &format_col1_comments,
+ "fc", PRO_FONT, 0, 0, (int *) &scomf,
+ "fk", PRO_FONT, 0, 0, (int *) &keywordf,
+ "fs", PRO_FONT, 0, 0, (int *) &stringf,
+ "ip", PRO_BOOL, true, ON, &ps.indent_parameters,
+ "i", PRO_INT, 8, 0, &ps.ind_size,
+ "lc", PRO_INT, 0, 0, &bk_max_col,
+ "lp", PRO_BOOL, true, ON, &lineup_to_parens,
+ "l", PRO_INT, 78, 0, &max_col,
+ "nbacc", PRO_BOOL, false, OFF, &bl_around,
+ "nbadp", PRO_BOOL, false, OFF, &bl_at_proctop,
+ "nbad", PRO_BOOL, false, OFF, &bl_aft_decl,
+ "nbap", PRO_BOOL, false, OFF, &bl_a_procs,
+ "nbbb", PRO_BOOL, false, OFF, &bl_bef_bk,
+ "nbc", PRO_BOOL, true, ON, &ps.leave_comma,
+ "nbs", PRO_BOOL, false, OFF, &Bill_Shannon,
+ "ncdb", PRO_BOOL, true, OFF, &del_on_bl,
+ "nce", PRO_BOOL, true, OFF, &cuddle_else,
+ "ndj", PRO_BOOL, false, OFF, &ps.ljust_decl,
+ "neei", PRO_BOOL, false, OFF, &ex_expr_indent,
+ "nei", PRO_BOOL, true, OFF, &ps.else_if,
+ "nfc1", PRO_BOOL, true, OFF, &format_col1_comments,
+ "nip", PRO_BOOL, true, OFF, &ps.indent_parameters,
+ "nlp", PRO_BOOL, true, OFF, &lineup_to_parens,
+ "npcs", PRO_BOOL, false, OFF, &proc_calls_space,
+ "npro", PRO_SPECIAL, 0, IGN, 0,
+ "npsl", PRO_BOOL, true, OFF, &proc_str_line,
+ "nps", PRO_BOOL, false, OFF, &ptr_binop,
+ "nsc", PRO_BOOL, true, OFF, &star_comment_cont,
+ "nsob", PRO_BOOL, false, OFF, &swallow_opt_bl,
+ "nv", PRO_BOOL, false, OFF, &verbose,
+ "pcs", PRO_BOOL, false, ON, &proc_calls_space,
+ "psl", PRO_BOOL, true, ON, &proc_str_line,
+ "ps", PRO_BOOL, false, ON, &ptr_binop,
+ "sc", PRO_BOOL, true, ON, &star_comment_cont,
+ "sob", PRO_BOOL, false, ON, &swallow_opt_bl,
+ "st", PRO_SPECIAL, 0, STDIN, 0,
+ "troff", PRO_BOOL, false, ON, &troff,
+ "v", PRO_BOOL, false, ON, &verbose,
+ /* whew! */
+ 0, 0, 0, 0, 0
+};
+
+/*
+ * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles
+ * arguments given in these files.
+ */
+void set_profile()
+{
+ register FILE *f;
+ char fname[BUFSIZ];
+ static char prof[] = ".indent.pro";
+
+ sprintf(fname, "%s/%s", getenv("HOME"), prof);
+ if ((f = fopen(fname, "r")) != NULL)
+ {
+ scan_profile(f);
+ (void) fclose(f);
+ }
+ if ((f = fopen(prof, "r")) != NULL)
+ {
+ scan_profile(f);
+ (void) fclose(f);
+ }
+}
+
+void scan_profile(f)
+ register FILE *f;
+{
+ register int i;
+ register char *p;
+ char buf[BUFSIZ];
+
+ while (1)
+ {
+ for (p = buf; (i = getc(f)) != EOF && (*p = (char)i) > ' '; ++p);
+ if (p != buf)
+ {
+ *p++ = 0;
+ if (verbose)
+ printf("profile: %s\n", buf);
+ set_option(buf);
+ } else if (i == EOF)
+ return;
+ }
+}
+
+char *param_start;
+
+int eqin(s1, s2)
+ register char *s1;
+ register char *s2;
+{
+ while (*s1)
+ {
+ if (*s1++ != *s2++)
+ return (false);
+ }
+ param_start = s2;
+ return (true);
+}
+
+/*
+ * Set the defaults.
+ */
+void set_defaults()
+{
+ register struct pro *p;
+
+ /* Because ps.case_indent is a float, we can't initialize it from
+ the table: */
+ ps.case_indent = 0; /* -cli0.0 */
+ for (p = pro; p->p_name; p++)
+ if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT)
+ *p->p_obj = p->p_default;
+}
+
+void set_option(arg)
+ register char *arg;
+{
+ register struct pro *p;
+
+ arg++; /* ignore leading "-" */
+ for (p = pro; p->p_name; p++)
+ if (*p->p_name == *arg && eqin(p->p_name, arg))
+ goto found;
+ fprintf(stderr, "indent: unknown parameter \"%s\"\n", arg - 1);
+ exit(1);
+found:
+ switch (p->p_type)
+ {
+
+ case PRO_SPECIAL:
+ switch (p->p_special)
+ {
+
+ case IGN:
+ break;
+
+ case CLI:
+ if (*param_start == 0)
+ goto need_param;
+ ps.case_indent = atoi(param_start);
+ break;
+
+ case STDIN:
+ if (input == 0)
+ input = stdin;
+ if (output == 0)
+ output = stdout;
+ break;
+
+ case KEY:
+ if (*param_start == 0)
+ goto need_param;
+ {
+ register char *str = (char *) malloc(strlen(param_start) + 1);
+ strcpy(str, param_start);
+ addkey(str, 4);
+ }
+ break;
+
+ default:
+ fprintf(stderr, "\
+indent: set_option: internal error: p_special %d\n", p->p_special);
+ exit(1);
+ }
+ break;
+
+ case PRO_BOOL:
+ if (p->p_special == OFF)
+ *p->p_obj = false;
+ else
+ *p->p_obj = true;
+ break;
+
+ case PRO_INT:
+ if (*param_start == 0)
+ {
+ need_param:
+ fprintf(stderr, "indent: ``%s'' requires a parameter\n",
+ arg - 1);
+ exit(1);
+ }
+ *p->p_obj = atoi(param_start);
+ break;
+
+ case PRO_FONT:
+ parsefont((struct fstate *) p->p_obj, param_start);
+ break;
+
+ default:
+ fprintf(stderr, "indent: set_option: internal error: p_type %d\n",
+ p->p_type);
+ exit(1);
+ }
+}
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * @(#)indent_codes.h 5.6 (Berkeley) 9/15/88
+ */
+
+#define newline 1
+#define lparen 2
+#define rparen 3
+#define unary_op 4
+#define binary_op 5
+#define postop 6
+#define question 7
+#define casestmt 8
+#define colon 9
+#define semicolon 10
+#define lbrace 11
+#define rbrace 12
+#define ident 13
+#define comma 14
+#define comment 15
+#define swstmt 16
+#define preesc 17
+#define form_feed 18
+#define decl 19
+#define sp_paren 20
+#define sp_nparen 21
+#define ifstmt 22
+#define whilestmt 23
+#define forstmt 24
+#define stmt 25
+#define stmtl 26
+#define elselit 27
+#define dolit 28
+#define dohead 29
+#define ifhead 30
+#define elsehead 31
+#define period 32
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/*
+ * NAME: pr_comment
+ *
+ * FUNCTION: This routine takes care of scanning and printing comments.
+ *
+ * ALGORITHM: 1) Decide where the comment should be aligned, and if lines should
+ * be broken. 2) If lines should not be broken and filled, just copy up to
+ * end of comment. 3) If lines should be filled, then scan thru input_buffer
+ * copying characters to com_buf. Remember where the last blank, tab, or
+ * newline was. When line is filled, print up to last blank and continue
+ * copying.
+ *
+ * HISTORY: November 1976 D A Willcox of CAC Initial coding 12/6/76
+ * A Willcox of CAC Modification to handle UNIX-style comments
+ *
+ */\f
+
+/*
+ * this routine processes comments. It makes an attempt to keep comments
+ * from going over the max line length. If a line is too long, it moves
+ * everything from the last blank to the next comment line. Blanks and tabs
+ * from the beginning of the input line are removed
+ */
+
+
+#define PUBLIC extern
+#include <stdlib.h>
+#include "globs.h"
+#include "proto.h"
+
+
+void pr_comment()
+{
+ int now_col; /* column we are in now */
+
+ int adj_max_col; /* Adjusted max_col for when we
+ * decide to spill comments
+ * over the right margin
+ */
+
+ char *last_bl; /* points to the last blank in
+ * the output buffer
+ */
+
+ char *t_ptr; /* used for moving string */
+
+ int unix_comment; /* tri-state variable used to
+ * decide if it is a unix-style
+ * comment. 0 means only blanks
+ * since / *, 1 means regular
+ * style comment, 2 means unix
+ * style comment
+ */
+
+ int break_delim = del_on_bl;
+ int l_just_saw_decl = ps.just_saw_decl;
+ /* int ps.last_nl = 0; */ /* true iff the last
+ sig thing we have seen is a nl */
+
+ int one_liner = 1; /* true iff this comment is a
+ one-liner */
+ adj_max_col = max_col;
+ ps.just_saw_decl = 0;
+ last_bl = 0; /* no blanks found so far */
+ ps.box_com = false; /* at first, assume that we are
+ not in a boxed comment or
+ some other comment that
+ should not be touched */
+ ++ps.out_coms; /* keep track of number of
+ comments */
+ unix_comment = 1; /* set flag to let us figure
+ out if there is a unix-style
+ comment ** DISABLED: use 0
+ to reenable this hack! */
+
+ /* Figure where to align and how to treat the comment */
+
+ if (ps.col_1 && !format_col1_comments)
+ { /* if comment starts in column
+ 1 it should not be touched */
+ ps.box_com = true;
+ ps.com_col = 1;
+ } else
+ {
+ if (*buf_ptr == '-' || *buf_ptr == '*')
+ {
+ ps.box_com = true; /* a comment with a '-' or '*'
+ immediately after the / * is
+ assumed to be a boxed
+ comment */
+ break_delim = 0;
+ }
+ if ( /* ps.bl_line && */ (s_lab == e_lab) && (s_code == e_code))
+ {
+ /* klg: check only if this line is blank */
+ /* If this (*and previous lines are*) blank, dont put comment
+ way out at left */
+ ps.com_col = (ps.ind_level - ps.unindent_displace) * ps.ind_size + 1;
+ adj_max_col = bk_max_col;
+ if (ps.com_col <= 1)
+ ps.com_col = 1 + !format_col1_comments;
+ } else
+ {
+ register target_col;
+ break_delim = 0;
+ if (s_code != e_code)
+ target_col = count_spaces(code_target(), s_code);
+ else
+ {
+ target_col = 1;
+ if (s_lab != e_lab)
+ target_col = count_spaces(label_target(), s_lab);
+ }
+ ps.com_col = ps.decl_on_line || ps.ind_level == 0 ? ps.decl_com_ind : ps.com_ind;
+ if (ps.com_col < target_col)
+ ps.com_col = ((target_col + 7) & ~7) + 1;
+ if (ps.com_col + 24 > adj_max_col)
+ adj_max_col = ps.com_col + 24;
+ }
+ }
+ if (ps.box_com)
+ {
+ buf_ptr[-2] = 0;
+ ps.n_comment_delta = 1 - count_spaces(1, in_buffer);
+ buf_ptr[-2] = '/';
+ } else
+ {
+ ps.n_comment_delta = 0;
+ while (*buf_ptr == ' ' || *buf_ptr == '\t')
+ buf_ptr++;
+ }
+ ps.comment_delta = 0;
+ *e_com++ = '/'; /* put '/ *' into buffer */
+ *e_com++ = '*';
+ if (*buf_ptr != ' ' && !ps.box_com)
+ *e_com++ = ' ';
+
+ *e_com = '\0';
+ if (troff)
+ {
+ now_col = 1;
+ adj_max_col = 80;
+ } else
+ now_col = count_spaces(ps.com_col, s_com); /* figure what column we
+ would be in if we
+ printed the comment
+ now */
+
+ /* Start to copy the comment */
+
+ while (1)
+ { /* this loop will go until the
+ comment is copied */
+ if (*buf_ptr > 040 && *buf_ptr != '*')
+ ps.last_nl = 0;
+ if (e_com >= l_com)
+ {
+ register nsize = l_com - s_com + 400;
+ combuf = (char *) realloc(combuf, nsize);
+ e_com = combuf + (e_com - s_com) + 1;
+ l_com = combuf + nsize - 5;
+ s_com = combuf + 1;
+ }
+ switch (*buf_ptr)
+ { /* this checks for various spcl
+ cases */
+ case 014: /* check for a form feed */
+ if (!ps.box_com)
+ { /* in a text comment, break the
+ line here */
+ ps.use_ff = true;
+ /* fix so dump_line uses a form feed */
+ dump_line();
+ last_bl = 0;
+ *e_com++ = ' ';
+ *e_com++ = '*';
+ *e_com++ = ' ';
+ while (*++buf_ptr == ' ' || *buf_ptr == '\t');
+ } else
+ {
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ *e_com++ = 014;
+ }
+ break;
+
+ case '\n':
+ if (had_eof)
+ { /* check for unexpected eof */
+ printf("Unterminated comment\n");
+ *e_com = '\0';
+ dump_line();
+ return;
+ }
+ one_liner = 0;
+ if (ps.box_com || ps.last_nl)
+ { /* if this is a boxed comment,
+ we dont ignore the newline */
+ if (s_com == e_com)
+ {
+ *e_com++ = ' ';
+ *e_com++ = ' ';
+ }
+ *e_com = '\0';
+ if (!ps.box_com && e_com - s_com > 3)
+ {
+ if (break_delim == 1 && s_com[0] == '/'
+ && s_com[1] == '*' && s_com[2] == ' ')
+ {
+ char *t = e_com;
+ break_delim = 2;
+ e_com = s_com + 2;
+ *e_com = 0;
+ if (bl_bef_bk)
+ prefix_blankline_requested = 1;
+ dump_line();
+ e_com = t;
+ s_com[0] = s_com[1] = s_com[2] = ' ';
+ }
+ dump_line();
+ if (e_com >= l_com)
+ {
+ register nsize = l_com - s_com + 400;
+ combuf = (char *) realloc(combuf, nsize);
+ e_com = combuf + (e_com - s_com) + 1;
+ l_com = combuf + nsize - 5;
+ s_com = combuf + 1;
+ }
+ *e_com++ = ' ';
+ *e_com++ = ' ';
+ }
+ dump_line();
+ now_col = ps.com_col;
+ } else
+ {
+ ps.last_nl = 1;
+ if (unix_comment != 1)
+ { /* we not are in unix_style
+ comment */
+ if (unix_comment == 0 && s_code == e_code)
+ {
+ /* if it is a UNIX-style comment, ignore the
+ requirement that previous line be blank for
+ unindention */
+ ps.com_col = (ps.ind_level - ps.unindent_displace) * ps.ind_size + 1;
+ if (ps.com_col <= 1)
+ ps.com_col = 2;
+ }
+ unix_comment = 2; /* permanently remember that we
+ are in this type of comment */
+ dump_line();
+ ++line_no;
+ now_col = ps.com_col;
+ *e_com++ = ' ';
+ /* fix so that the star at the start of the line will
+ line up */
+ do /* flush leading white space */
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ while (*buf_ptr == ' ' || *buf_ptr == '\t');
+ break;
+ }
+ if (*(e_com - 1) == ' ' || *(e_com - 1) == '\t')
+ last_bl = e_com - 1;
+ /* if there was a space at the end of the last line,
+ remember where it was */
+ else
+ { /* otherwise, insert one */
+ last_bl = e_com;
+ *e_com++ = ' ';
+ if (e_com >= l_com)
+ {
+ register nsize = l_com - s_com + 400;
+ combuf = (char *) realloc(combuf, nsize);
+ e_com = combuf + (e_com - s_com) + 1;
+ l_com = combuf + nsize - 5;
+ s_com = combuf + 1;
+ }
+ ++now_col;
+ }
+ }
+ ++line_no; /* keep track of input line
+ number */
+ if (!ps.box_com)
+ {
+ int nstar = 1;
+ do
+ { /* flush any blanks and/or tabs
+ at start of next line */
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ if (*buf_ptr == '*' && --nstar >= 0)
+ {
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ if (*buf_ptr == '/')
+ goto end_of_comment;
+ }
+ } while (*buf_ptr == ' ' || *buf_ptr == '\t');
+ } else if (++buf_ptr >= buf_end)
+ fill_buffer();
+ break; /* end of case for newline */
+
+ case '*': /* must check for possibility
+ of being at end of comment */
+ if (++buf_ptr >= buf_end) /* get to next char after * */
+ fill_buffer();
+
+ if (unix_comment == 0) /* set flag to show we are not
+ in unix-style comment */
+ unix_comment = 1;
+
+ if (*buf_ptr == '/')
+ { /* it is the end!!! */
+ end_of_comment:
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+
+ if (*(e_com - 1) != ' ' && !ps.box_com)
+ { /* insure blank before end */
+ *e_com++ = ' ';
+ ++now_col;
+ }
+ if (break_delim == 1 && !one_liner && s_com[0] == '/'
+ && s_com[1] == '*' && s_com[2] == ' ')
+ {
+ char *t = e_com;
+ break_delim = 2;
+ e_com = s_com + 2;
+ *e_com = 0;
+ if (bl_bef_bk)
+ prefix_blankline_requested = 1;
+ dump_line();
+ e_com = t;
+ s_com[0] = s_com[1] = s_com[2] = ' ';
+ }
+ if (break_delim == 2 && e_com > s_com + 3
+ /* now_col > adj_max_col - 2 && !ps.box_com */ )
+ {
+ *e_com = '\0';
+ dump_line();
+ now_col = ps.com_col;
+ }
+ if (e_com >= l_com)
+ {
+ register nsize = l_com - s_com + 400;
+ combuf = (char *) realloc(combuf, nsize);
+ e_com = combuf + (e_com - s_com) + 1;
+ l_com = combuf + nsize - 5;
+ s_com = combuf + 1;
+ }
+ *e_com++ = '*';
+ *e_com++ = '/';
+ *e_com = '\0';
+ ps.just_saw_decl = l_just_saw_decl;
+ return;
+ } else
+ { /* handle isolated '*' */
+ *e_com++ = '*';
+ ++now_col;
+ }
+ break;
+ default: /* we have a random char */
+ if (unix_comment == 0 && *buf_ptr != ' ' && *buf_ptr != '\t')
+ unix_comment = 1; /* we are not in unix-style
+ comment */
+
+ *e_com = *buf_ptr++;
+ if (buf_ptr >= buf_end)
+ fill_buffer();
+
+ if (*e_com == '\t') /* keep track of column */
+ now_col = ((now_col - 1) & tabmask) + tabsize + 1;
+ else if (*e_com == '\b') /* this is a backspace */
+ --now_col;
+ else
+ ++now_col;
+
+ if (*e_com == ' ' || *e_com == '\t')
+ last_bl = e_com;
+ /* remember we saw a blank */
+
+ ++e_com;
+ if (now_col > adj_max_col && !ps.box_com && unix_comment == 1 && e_com[-1] > ' ')
+ {
+ /* the comment is too long, it must be broken up */
+ if (break_delim == 1 && s_com[0] == '/'
+ && s_com[1] == '*' && s_com[2] == ' ')
+ {
+ char *t = e_com;
+ break_delim = 2;
+ e_com = s_com + 2;
+ *e_com = 0;
+ if (bl_bef_bk)
+ prefix_blankline_requested = 1;
+ dump_line();
+ e_com = t;
+ s_com[0] = s_com[1] = s_com[2] = ' ';
+ }
+ if (last_bl == 0)
+ { /* we have seen no blanks */
+ last_bl = e_com; /* fake it */
+ *e_com++ = ' ';
+ }
+ *e_com = '\0'; /* print what we have */
+ *last_bl = '\0';
+ while (last_bl > s_com && last_bl[-1] < 040)
+ *--last_bl = 0;
+ e_com = last_bl;
+ dump_line();
+
+ *e_com++ = ' '; /* add blanks for continuation */
+ *e_com++ = ' ';
+ *e_com++ = ' ';
+
+ t_ptr = last_bl + 1;
+ last_bl = 0;
+ if (t_ptr >= e_com)
+ {
+ while (*t_ptr == ' ' || *t_ptr == '\t')
+ t_ptr++;
+ while (*t_ptr != '\0')
+ { /* move unprinted part of
+ comment down in buffer */
+ if (*t_ptr == ' ' || *t_ptr == '\t')
+ last_bl = e_com;
+ *e_com++ = *t_ptr++;
+ }
+ }
+ *e_com = '\0';
+ now_col = count_spaces(ps.com_col, s_com); /* recompute current
+ position */
+ }
+ break;
+ }
+ }
+}
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * @(#)indent_globs.h 5.7 (Berkeley) 9/15/88
+ */
+
+#include <stdio.h>
+
+#define BACKSLASH '\\'
+#define bufsize 200 /* size of internal buffers */
+#define inp_bufs 600 /* size of input buffer */
+#define sc_size 5000 /* size of save_com buffer */
+#define label_offset 2 /* number of levels a label is
+ placed to left of code */
+
+#define tabsize 8 /* the size of a tab */
+#define tabmask 0177770 /* mask used when figuring
+ length of lines with tabs */
+
+
+#define false 0
+#define true !false
+
+
+PUBLIC FILE *input; /* the fid for the input file */
+PUBLIC FILE *output; /* the output file */
+
+PUBLIC char *labbuf; /* buffer for label */
+PUBLIC char *s_lab; /* start ... */
+PUBLIC char *e_lab; /* .. and end of stored label */
+PUBLIC char *l_lab; /* limit of label buffer */
+
+PUBLIC char *codebuf; /* buffer for code section */
+PUBLIC char *s_code; /* start ... */
+PUBLIC char *e_code; /* .. and end of stored code */
+PUBLIC char *l_code; /* limit of code section */
+
+PUBLIC char *combuf; /* buffer for comments */
+PUBLIC char *s_com; /* start ... */
+PUBLIC char *e_com; /* ... and end of stored
+ comments */
+PUBLIC char *l_com; /* limit of comment buffer */
+
+PUBLIC char in_buffer[inp_bufs]; /* input buffer */
+PUBLIC char *buf_ptr; /* ptr to next character to be
+ taken from in_buffer */
+PUBLIC char *buf_end; /* ptr to first after last char
+ in in_buffer */
+
+PUBLIC char save_com[sc_size]; /* input text is saved here
+ when looking for the brace
+ after an if, while, etc */
+PUBLIC char *sc_end; /* pointer into save_com buffer */
+
+PUBLIC char *bp_save; /* saved value of buf_ptr when
+ taking input from save_com */
+PUBLIC char *be_save; /* similarly saved value of
+ buf_end */
+
+PUBLIC char token[bufsize]; /* the last token scanned */
+
+
+PUBLIC int ptr_binop; /* pointer as binop */
+PUBLIC int bl_aft_decl; /* blanklines after
+ declarations */
+PUBLIC int bl_bef_bk; /* blanklines before
+ blockcomments */
+PUBLIC int bl_a_procs; /* blanklines after procs */
+PUBLIC int bl_around; /* blanklines around
+ conditional compilation */
+PUBLIC int swallow_opt_bl; /* swallow optional blanklines */
+PUBLIC int n_real_blanklines;
+PUBLIC int prefix_blankline_requested;
+PUBLIC int postfix_blankline_requested;
+PUBLIC int break_comma; /* when true and not in parens,
+ break after a comma */
+PUBLIC int btype_2; /* when true, brace should be
+ on same line as if, while,
+ etc */
+PUBLIC long case_ind; /* indentation level to be used
+ for a "case n:" */
+PUBLIC int code_lines; /* count of lines with code */
+PUBLIC int had_eof; /* set to true when input is
+ exhausted */
+PUBLIC int line_no; /* the current line number. */
+PUBLIC int max_col; /* the maximum allowable line
+ length */
+PUBLIC int verbose; /* when true, non-essential
+ error messages are printed */
+PUBLIC int cuddle_else; /* true if else should cuddle
+ up to '}' */
+PUBLIC int star_comment_cont; /* true iff comment
+ continuation lines should
+ have stars at the beginning
+ of each line. */
+PUBLIC int del_on_bl; /* comment_delimiter_on_blanklin
+ e */
+PUBLIC int troff; /* true iff were generating
+ troff input */
+PUBLIC int proc_str_line; /* if true, the names of
+ procedures being defined get
+ placed in column 1 (ie. a
+ newline is placed between
+ the type of the procedure
+ and its name) */
+PUBLIC int proc_calls_space; /* If true, procedure calls
+ look like: foo(bar) rather
+ than foo (bar) */
+PUBLIC int format_col1_comments; /* If comments which start in
+ column 1 are to be magically
+ reformatted (just like
+ comments that begin in later
+ columns) */
+PUBLIC int inhibit_formatting; /* true if INDENT OFF is in
+ effect */
+PUBLIC int suppress_blanklines; /* set iff following blanklines
+ should be suppressed */
+PUBLIC int continuation_indent; /* set to the indentation
+ between the edge of code and
+ continuation lines */
+PUBLIC int lineup_to_parens; /* if true, continued code
+ within parens will be lined
+ up to the open paren */
+PUBLIC int Bill_Shannon; /* true iff a blank should
+ always be inserted after
+ sizeof */
+PUBLIC int bl_at_proctop; /* This is vaguely similar to
+ blanklines_after_declarations
+ except that it only applies
+ to the first set of
+ declarations in a procedure
+ (just after the first '{')
+ and it causes a blank line
+ to be generated even if
+ there are no declarations */
+PUBLIC int bk_max_col;
+PUBLIC int ex_expr_indent; /* True if continuation lines
+ from the expression part of
+ "if(e)", "while(e)",
+ "for(e;e;e)" should be
+ indented an extra tab stop
+ so that they don't conflict
+ with the code that follows */
+
+/* -troff font state information */
+
+struct fstate
+{
+ char font[4];
+ char size;
+ int allcaps;
+};
+
+PUBLIC struct fstate
+ keywordf, /* keyword font */
+ stringf, /* string font */
+ boxcomf, /* Box comment font */
+ blkcomf, /* Block comment font */
+ scomf, /* Same line comment font */
+ bodyf; /* major body font */
+
+
+#define STACKSIZE 150
+
+PUBLIC struct parser_state
+{
+ int last_token;
+ struct fstate cfont; /* Current font */
+ int p_stack[STACKSIZE]; /* this is the parsers stack */
+ int il[STACKSIZE]; /* this stack stores
+ indentation levels */
+ long cstk[STACKSIZE]; /* used to store case stmt
+ indentation levels */
+ int box_com; /* set to true when we are in a
+ "boxed" comment. In that
+ case, the first non-blank
+ char should be lined up with
+ the / in / * */
+ int comment_delta, n_comment_delta;
+ int cast_mask; /* indicates which close parens
+ close off casts */
+ int sizeof_mask; /* indicates which close parens
+ close off sizeof''s */
+ int block_init; /* true iff inside a block
+ initialization */
+ int block_init_level; /* The level of brace nesting
+ in an initialization */
+ int last_nl; /* this is true if the last
+ thing scanned was a newline */
+ int in_or_st; /* Will be true iff there has
+ been a declarator (e.g. int
+ or char) and no left paren
+ since the last semicolon.
+ When true, a '{' is starting
+ a structure definition or an
+ initialization list */
+ int bl_line; /* set to 1 by dump_line if the
+ line is blank */
+ int col_1; /* set to true if the last
+ token started in column 1 */
+ int com_col; /* this is the column in which
+ the current coment should
+ start */
+ int com_ind; /* the column in which comments
+ to the right of code should
+ start */
+ int com_lines; /* the number of lines with
+ comments, set by dump_line */
+ int dec_nest; /* current nesting level for
+ structure or init */
+ int decl_com_ind; /* the column in which comments
+ after declarations should be
+ put */
+ int decl_on_line; /* set to true if this line of
+ code has part of a
+ declaration on it */
+ int i_l_follow; /* the level to which ind_level
+ should be set after the
+ current line is printed */
+ int in_decl; /* set to true when we are in a
+ declaration stmt. The
+ processing of braces is then
+ slightly different */
+ int in_stmt; /* set to 1 while in a stmt */
+ int ind_level; /* the current indentation
+ level */
+ int ind_size; /* the size of one indentation
+ level */
+ int ind_stmt; /* set to 1 if next line should
+ have an extra indentation
+ level because we are in the
+ middle of a stmt */
+ int last_u_d; /* set to true after scanning a
+ token which forces a
+ following operator to be
+ unary */
+ int leave_comma; /* if true, never break
+ declarations after commas */
+ int ljust_decl; /* true if declarations should
+ be left justified */
+ int out_coms; /* the number of comments
+ processed, set by pr_comment */
+ int out_lines; /* the number of lines written,
+ set by dump_line */
+ int p_l_follow; /* used to remember how to
+ indent following statement */
+ int paren_level; /* parenthesization level. used
+ to indent within stmts */
+ short paren_indents[20]; /* column positions of each
+ paren */
+ int pcase; /* set to 1 if the current line
+ label is a case. It is
+ printed differently from a
+ regular label */
+ int search_brace; /* set to true by parse when it
+ is necessary to buffer up
+ all info up to the start of
+ a stmt after an if, while,
+ etc */
+ int unindent_displace; /* comments not to the right of
+ code will be placed this
+ many indentation levels to
+ the left of code */
+ int use_ff; /* set to one if the current
+ line should be terminated
+ with a form feed */
+ int want_blank; /* set to true when the
+ following token should be
+ prefixed by a blank. (Said
+ prefixing is ignored in some
+ cases.) */
+ int else_if; /* True iff else if pairs
+ should be handled specially */
+ int decl_indent; /* column to indent declared
+ identifiers to */
+ int its_a_keyword;
+ int sizeof_keyword;
+ int dumped_decl_indent;
+ int case_indent; /* The distance to indent case
+ labels from the switch
+ statement */
+ int in_par_decl;
+ int indent_parameters;
+ int tos; /* pointer to top of stack */
+ char procname[100]; /* The name of the current
+ procedure */
+ int just_saw_decl;
+} ps;
+
+PUBLIC int ifdef_level;
+PUBLIC struct parser_state state_stack[5];
+PUBLIC struct parser_state match_state[5];
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/* ported to MINIX by: Robert R. Hall <hall@pnet01.cts.com> */
+
+#define _POSIX_SOURCE 1
+#define PUBLIC
+#define NAME_SIZE _POSIX_NAME_MAX
+
+#include <ctype.h>
+#include <string.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <limits.h>
+#include "globs.h"
+#include "codes.h"
+#include "proto.h"
+
+char *in_name = "Standard Input"; /* will always point to
+ name of input file */
+char *out_name = "Standard Output"; /* will always point to
+ name of output file */
+char bakfile[60];
+
+void main(argc, argv)
+ int argc;
+ char **argv;
+{
+
+ extern int found_err; /* flag set in diag() on error */
+ int dec_ind; /* current indentation for
+ declarations */
+ int di_stack[20]; /* a stack of structure
+ indentation levels */
+ int flushed_nl; /* used when buffering up
+ comments to remember that a
+ newline was passed over */
+ int force_nl; /* when true, code must be
+ broken */
+ int hd_type; /* used to store type of stmt
+ for if (...), for (...), etc */
+ register int i; /* local loop counter */
+ int scase; /* set to true when we see a
+ case, so we will know what
+ to do with the following
+ colon */
+ int sp_sw; /* when true, we are in the
+ expressin of if(...),
+ while(...), etc. */
+ int squest; /* when this is positive, we
+ have seen a ? without the
+ matching : in a <c>?<s>:<s>
+ construct */
+ register char *t_ptr; /* used for copying tokens */
+ int type_code; /* the type of token, returned
+ by lexi */
+
+ int last_else = 0; /* true iff last keyword was an
+ else */
+
+
+ /*-----------------------------------------------*\
+ | INITIALIZATION |
+ \*-----------------------------------------------*/
+
+
+ ps.p_stack[0] = stmt; /* this is the parser's stack */
+ ps.last_nl = true; /* this is true if the last
+ thing scanned was a newline */
+ ps.last_token = semicolon;
+ combuf = (char *) malloc(bufsize);
+ labbuf = (char *) malloc(bufsize);
+ codebuf = (char *) malloc(bufsize);
+ l_com = combuf + bufsize - 5;
+ l_lab = labbuf + bufsize - 5;
+ l_code = codebuf + bufsize - 5;
+ combuf[0] = codebuf[0] = labbuf[0] = ' '; /* set up code, label,
+ and comment buffers */
+ combuf[1] = codebuf[1] = labbuf[1] = '\0';
+ ps.else_if = 1; /* Default else-if special
+ processing to on */
+ s_lab = e_lab = labbuf + 1;
+ s_code = e_code = codebuf + 1;
+ s_com = e_com = combuf + 1;
+
+ buf_ptr = buf_end = in_buffer;
+ line_no = 1;
+ had_eof = ps.in_decl = ps.decl_on_line = break_comma = false;
+ sp_sw = force_nl = false;
+ ps.in_or_st = false;
+ ps.bl_line = true;
+ dec_ind = 0;
+ di_stack[ps.dec_nest = 0] = 0;
+ ps.want_blank = ps.in_stmt = ps.ind_stmt = false;
+
+
+ scase = ps.pcase = false;
+ squest = 0;
+ sc_end = 0;
+ bp_save = 0;
+ be_save = 0;
+
+ output = 0;
+
+
+
+ /*--------------------------------------------------*\
+ | COMMAND LINE SCAN |
+ \*--------------------------------------------------*/
+
+#ifdef undef
+ max_col = 78; /* -l78 */
+ lineup_to_parens = 1; /* -lp */
+ ps.ljust_decl = 0; /* -ndj */
+ ps.com_ind = 33; /* -c33 */
+ star_comment_cont = 1; /* -sc */
+ ps.ind_size = 8; /* -i8 */
+ verbose = 0;
+ ps.decl_indent = 16; /* -di16 */
+ ps.indent_parameters = 1; /* -ip */
+ ps.decl_com_ind = 0; /* if this is not set to some
+ positive value by an arg, we
+ will set this equal to
+ ps.com_ind */
+ btype_2 = 1; /* -br */
+ cuddle_else = 1; /* -ce */
+ ps.unindent_displace = 0; /* -d0 */
+ ps.case_indent = 0; /* -cli0 */
+ format_col1_comments = 1; /* -fc1 */
+ procnames_start_line = 1; /* -psl */
+ proc_calls_space = 0; /* -npcs */
+ comment_delimiter_on_blankline = 1; /* -cdb */
+ ps.leave_comma = 1; /* -nbc */
+#endif
+
+ for (i = 1; i < argc; ++i)
+ if (strcmp(argv[i], "-npro") == 0)
+ break;
+ set_defaults();
+ if (i >= argc)
+ set_profile();
+
+ for (i = 1; i < argc; ++i)
+ {
+
+ /* look thru args (if any) for changes to defaults */
+ if (argv[i][0] != '-')
+ { /* no flag on parameter */
+ if (input == 0)
+ { /* we must have the input file */
+ in_name = argv[i]; /* remember name of input file */
+ input = fopen(in_name, "r");
+ if (input == 0)
+ { /* check for open error */
+ fprintf(stderr, "indent: can't open %s\n", argv[i]);
+ exit(1);
+ }
+ continue;
+ } else if (output == 0)
+ { /* we have the output file */
+ out_name = argv[i]; /* remember name of output file */
+ if (strcmp(in_name, out_name) == 0)
+ { /* attempt to overwrite the
+ file */
+ fprintf(stderr, "indent: input and output files must be different\n");
+ exit(1);
+ }
+ output = fopen(out_name, "w");
+ if (output == 0)
+ { /* check for create error */
+ fprintf(stderr, "indent: can't create %s\n", argv[i]);
+ exit(1);
+ }
+ continue;
+ }
+ fprintf(stderr, "indent: unknown parameter: %s\n", argv[i]);
+ exit(1);
+ } else
+ set_option(argv[i]);
+ } /* end of for */
+ if (input == 0)
+ {
+ fprintf(stderr, "indent: usage: indent file [ outfile ] [ options ]\n");
+ exit(1);
+ }
+ if (output == 0)
+ if (troff)
+ output = stdout;
+ else
+ {
+ out_name = in_name;
+ bakcopy();
+ }
+ if (ps.com_ind <= 1)
+ ps.com_ind = 2; /* dont put normal comments
+ before column 2 */
+ if (troff)
+ {
+ if (bodyf.font[0] == 0)
+ parsefont(&bodyf, "R");
+ if (scomf.font[0] == 0)
+ parsefont(&scomf, "I");
+ if (blkcomf.font[0] == 0)
+ blkcomf = scomf, blkcomf.size += 2;
+ if (boxcomf.font[0] == 0)
+ boxcomf = blkcomf;
+ if (stringf.font[0] == 0)
+ parsefont(&stringf, "L");
+ if (keywordf.font[0] == 0)
+ parsefont(&keywordf, "B");
+ writefdef(&bodyf, 'B');
+ writefdef(&scomf, 'C');
+ writefdef(&blkcomf, 'L');
+ writefdef(&boxcomf, 'X');
+ writefdef(&stringf, 'S');
+ writefdef(&keywordf, 'K');
+ }
+ if (bk_max_col <= 0)
+ bk_max_col = max_col;
+ if (ps.decl_com_ind <= 0) /* if not specified by user,
+ set this */
+ ps.decl_com_ind = ps.ljust_decl ? (ps.com_ind <= 10 ? 2 : ps.com_ind - 8) : ps.com_ind;
+ if (continuation_indent == 0)
+ continuation_indent = ps.ind_size;
+ fill_buffer(); /* get first batch of stuff
+ into input buffer */
+
+ parse(semicolon);
+ {
+ register char *p = buf_ptr;
+ register col = 1;
+
+ while (1)
+ {
+ if (*p == ' ')
+ col++;
+ else if (*p == '\t')
+ col = ((col - 1) & ~7) + 9;
+ else
+ break;
+ p++;
+ };
+ if (col > ps.ind_size)
+ ps.ind_level = ps.i_l_follow = col / ps.ind_size;
+ }
+ if (troff)
+ {
+ register char *p = in_name, *beg = in_name;
+
+ while (*p)
+ if (*p++ == '/')
+ beg = p;
+ fprintf(output, ".Fn \"%s\"\n", beg);
+ }
+ /* START OF MAIN LOOP */
+
+ while (1)
+ { /* this is the main loop. it
+ will go until we reach eof */
+ int is_procname;
+
+ type_code = lexi(); /* lexi reads one token. The
+ actual characters read are
+ stored in "token". lexi
+ returns a code indicating
+ the type of token */
+ is_procname = ps.procname[0];
+
+ /* The following code moves everything following an if (), while
+ (), else, etc. up to the start of the following stmt to a
+ buffer. This allows proper handling of both kinds of brace
+ placement. */
+
+ flushed_nl = false;
+ while (ps.search_brace)
+ { /* if we scanned an if(),
+ while(), etc., we might need
+ to copy stuff into a buffer
+ we must loop, copying stuff
+ into save_com, until we find
+ the start of the stmt which
+ follows the if, or whatever */
+ switch (type_code)
+ {
+ case newline:
+ ++line_no;
+ flushed_nl = true;
+ case form_feed:
+ break; /* form feeds and newlines
+ found here will be ignored */
+
+ case lbrace: /* this is a brace that starts
+ the compound stmt */
+ if (sc_end == 0)
+ { /* ignore buffering if a
+ comment wasnt stored up */
+ ps.search_brace = false;
+ goto check_type;
+ }
+ if (btype_2)
+ {
+ save_com[0] = '{'; /* we either want to put the
+ brace right after the if */
+ goto sw_buffer; /* go to common code to get out
+ of this loop */
+ }
+/*
+ * Something is buffered up in save_com, and -bl processing is in effect.
+ * Add the brace after the comment so it will come out on the next line.
+ */
+ flushed_nl = 0; /* comment can start on the same line */
+ *sc_end++ = '\n'; /* break line after comment */
+ *sc_end++ = '{';
+ goto sw_buffer;
+
+ case comment: /* we have a comment, so we
+ must copy it into the buffer */
+ if (!flushed_nl || sc_end != 0)
+ {
+ if (sc_end == 0)
+ { /* if this is the first
+ comment, we must set up the
+ buffer */
+ save_com[0] = save_com[1] = ' ';
+ sc_end = &(save_com[2]);
+ } else
+ {
+ *sc_end++ = '\n'; /* add newline between comments */
+ *sc_end++ = ' ';
+ --line_no;
+ }
+ *sc_end++ = '/'; /* copy in start of comment */
+ *sc_end++ = '*';
+
+ for (;;)
+ { /* loop until we get to the end
+ of the comment */
+ *sc_end = *buf_ptr++;
+ if (buf_ptr >= buf_end)
+ fill_buffer();
+
+ if (*sc_end++ == '*' && *buf_ptr == '/')
+ break; /* we are at end of comment */
+
+ if (sc_end >= &(save_com[sc_size]))
+ { /* check for temp buffer
+ overflow */
+ diag(1, "Internal buffer overflow - Move big comment from right after if, while, or whatever.");
+ fflush(output);
+ exit(1);
+ }
+ }
+ *sc_end++ = '/'; /* add ending slash */
+ if (++buf_ptr >= buf_end)/* get past / in buffer */
+ fill_buffer();
+ break;
+ }
+ default: /* it is the start of a normal
+ statment */
+ if (flushed_nl) /* if we flushed a newline,
+ make sure it is put back */
+ force_nl = true;
+ if ((type_code == sp_paren && *token == 'i'
+ && last_else && ps.else_if)
+ || (type_code == sp_nparen && *token == 'e'
+ && e_code != s_code && e_code[-1] == '}'))
+ force_nl = false;
+
+ if (sc_end == 0)
+ { /* ignore buffering if comment
+ wasnt saved up */
+ ps.search_brace = false;
+ goto check_type;
+ }
+ if (force_nl)
+ { /* if we should insert a nl
+ here, put it into the buffer */
+ force_nl = false;
+ --line_no; /* this will be re-increased
+ when the nl is read from the
+ buffer */
+ *sc_end++ = '\n';
+ *sc_end++ = ' ';
+ if (verbose && !flushed_nl) /* print error msg if
+ the line was not
+ already broken */
+ diag(0, "Line broken");
+ flushed_nl = false;
+ }
+ for (t_ptr = token; *t_ptr; ++t_ptr)
+ *sc_end++ = *t_ptr; /* copy token into temp buffer */
+ ps.procname[0] = 0;
+
+ sw_buffer:
+ ps.search_brace = false; /* stop looking for start of
+ stmt */
+ bp_save = buf_ptr; /* save current input buffer */
+ be_save = buf_end;
+ buf_ptr = save_com; /* fix so that subsequent calls
+ to lexi will take tokens out
+ of save_com */
+ *sc_end++ = ' '; /* add trailing blank, just in
+ case */
+ buf_end = sc_end;
+ sc_end = 0;
+ break;
+ } /* end of switch */
+ if (type_code != 0) /* we must make this check,
+ just in case there was an
+ unexpected EOF */
+ type_code = lexi(); /* read another token */
+ /* if (ps.search_brace) ps.procname[0] = 0; */
+ if ((is_procname = ps.procname[0]) && flushed_nl
+ && !proc_str_line && ps.in_decl
+ && type_code == ident)
+ flushed_nl = 0;
+ } /* end of while (search_brace) */
+ last_else = 0;
+check_type:
+ if (type_code == 0)
+ { /* we got eof */
+ if (s_lab != e_lab || s_code != e_code
+ || s_com != e_com) /* must dump end of line */
+ dump_line();
+ if (ps.tos > 1) /* check for balanced braces */
+ diag(1, "Stuff missing from end of file.");
+
+ if (verbose)
+ {
+ printf("There were %d output lines and %d comments\n",
+ ps.out_lines, ps.out_coms);
+ printf("(Lines with comments)/(Lines with code): %6d\n",
+ ps.com_lines / code_lines);
+ }
+ fflush(output);
+ exit(found_err);
+ }
+ if (
+ (type_code != comment) &&
+ (type_code != newline) &&
+ (type_code != preesc) &&
+ (type_code != form_feed))
+ {
+ if (force_nl &&
+ (type_code != semicolon) &&
+ (type_code != lbrace || !btype_2))
+ {
+ /* we should force a broken line here */
+ if (verbose && !flushed_nl)
+ diag(0, "Line broken");
+ flushed_nl = false;
+ dump_line();
+ ps.want_blank = false; /* dont insert blank at line
+ start */
+ force_nl = false;
+ }
+ ps.in_stmt = true; /* turn on flag which causes an
+ extra level of indentation.
+ this is turned off by a ; or
+ '}' */
+ if (s_com != e_com)
+ { /* the turkey has embedded a
+ comment in a line. fix it */
+ *e_code++ = ' ';
+ for (t_ptr = s_com; *t_ptr; ++t_ptr)
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = *t_ptr;
+ }
+ *e_code++ = ' ';
+ *e_code = '\0'; /* null terminate code sect */
+ ps.want_blank = false;
+ e_com = s_com;
+ }
+ } else if (type_code != comment) /* preserve force_nl thru a
+ comment */
+ force_nl = false; /* cancel forced newline after
+ newline, form feed, etc */
+
+
+
+ /*-----------------------------------------------------*\
+ | do switch on type of token scanned |
+ \*-----------------------------------------------------*/
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ switch (type_code)
+ { /* now, decide what to do with
+ the token */
+
+ case form_feed: /* found a form feed in line */
+ ps.use_ff = true; /* a form feed is treated much
+ like a newline */
+ dump_line();
+ ps.want_blank = false;
+ break;
+
+ case newline:
+ if (ps.last_token != comma || ps.p_l_follow > 0
+ || !ps.leave_comma || ps.block_init || !break_comma || s_com != e_com)
+ {
+ dump_line();
+ ps.want_blank = false;
+ }
+ ++line_no; /* keep track of input line
+ number */
+ break;
+
+ case lparen: /* got a '(' or '[' */
+ ++ps.p_l_follow; /* count parens to make Healy
+ happy */
+ if (ps.want_blank && *token != '[' &&
+ (ps.last_token != ident || proc_calls_space
+ || (ps.its_a_keyword && (!ps.sizeof_keyword || Bill_Shannon))))
+ *e_code++ = ' ';
+ if (ps.in_decl && !ps.block_init)
+ if (troff && !ps.dumped_decl_indent && !is_procname && ps.last_token == decl)
+ {
+ ps.dumped_decl_indent = 1;
+ sprintf(e_code, "\n.Du %dp+\200p \"%s\"\n", dec_ind * 7, token);
+ e_code += strlen(e_code);
+ } else
+ {
+ while ((e_code - s_code) < dec_ind)
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = ' ';
+ }
+ *e_code++ = token[0];
+ }
+ else
+ *e_code++ = token[0];
+ ps.paren_indents[ps.p_l_follow - 1] = e_code - s_code;
+ if (sp_sw && ps.p_l_follow == 1 && ex_expr_indent
+ && ps.paren_indents[0] < 2 * ps.ind_size)
+ ps.paren_indents[0] = 2 * ps.ind_size;
+ ps.want_blank = false;
+ if (ps.in_or_st && *token == '(' && ps.tos <= 2)
+ {
+ /* this is a kluge to make sure that declarations will be
+ aligned right if proc decl has an explicit type on it,
+ i.e. "int a(x) {..." */
+ parse(semicolon); /* I said this was a kluge... */
+ ps.in_or_st = false; /* turn off flag for structure
+ decl or initialization */
+ }
+ if (ps.sizeof_keyword)
+ ps.sizeof_mask |= 1 << ps.p_l_follow;
+ break;
+
+ case rparen: /* got a ')' or ']' */
+ if (ps.cast_mask & (1 << ps.p_l_follow) & ~ps.sizeof_mask)
+ {
+ ps.last_u_d = true;
+ ps.cast_mask &= (1 << ps.p_l_follow) - 1;
+ }
+ ps.sizeof_mask &= (1 << ps.p_l_follow) - 1;
+ if (--ps.p_l_follow < 0)
+ {
+ ps.p_l_follow = 0;
+ diag(0, "Extra %c", *token);
+ }
+ if (e_code == s_code) /* if the paren starts the line */
+ ps.paren_level = ps.p_l_follow; /* then indent it */
+
+ *e_code++ = token[0];
+ ps.want_blank = true;
+
+ if (sp_sw && (ps.p_l_follow == 0))
+ { /* check for end of if (...),
+ or some such */
+ sp_sw = false;
+ force_nl = true; /* must force newline after if */
+ ps.last_u_d = true; /* inform lexi that a following
+ operator is unary */
+ ps.in_stmt = false; /* dont use stmt continuation
+ indentation */
+
+ parse(hd_type); /* let parser worry about if,
+ or whatever */
+ }
+ ps.search_brace = btype_2; /* this should insure that
+ constructs such as
+ main(){...} and int[]{...}
+ have their braces put in the
+ right place */
+ break;
+
+ case unary_op: /* this could be any unary
+ operation */
+ if (ps.want_blank)
+ *e_code++ = ' ';
+
+ if (troff && !ps.dumped_decl_indent && ps.in_decl && !is_procname)
+ {
+ sprintf(e_code, "\n.Du %dp+\200p \"%s\"\n", dec_ind * 7, token);
+ ps.dumped_decl_indent = 1;
+ e_code += strlen(e_code);
+ } else
+ {
+ char *res = token;
+
+ if (ps.in_decl && !ps.block_init)
+ { /* if this is a unary op in a
+ declaration, we should
+ indent this token */
+ for (i = 0; token[i]; ++i); /* find length of token */
+ while ((e_code - s_code) < (dec_ind - i))
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = ' '; /* pad it */
+ }
+ }
+ if (troff && token[0] == '-' && token[1] == '>')
+ res = "\\(->";
+ for (t_ptr = res; *t_ptr; ++t_ptr)
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = *t_ptr;
+ }
+ }
+ ps.want_blank = false;
+ break;
+
+ case binary_op: /* any binary operation */
+ if (ps.want_blank)
+ *e_code++ = ' ';
+ {
+ char *res = token;
+
+ if (troff)
+ switch (token[0])
+ {
+ case '<':
+ if (token[1] == '=')
+ res = "\\(<=";
+ break;
+ case '>':
+ if (token[1] == '=')
+ res = "\\(>=";
+ break;
+ case '!':
+ if (token[1] == '=')
+ res = "\\(!=";
+ break;
+ case '|':
+ if (token[1] == '|')
+ res = "\\(br\\(br";
+ else if (token[1] == 0)
+ res = "\\(br";
+ break;
+ }
+ for (t_ptr = res; *t_ptr; ++t_ptr)
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = *t_ptr; /* move the operator */
+ }
+ }
+ ps.want_blank = true;
+ break;
+
+ case postop: /* got a trailing ++ or -- */
+ *e_code++ = token[0];
+ *e_code++ = token[1];
+ ps.want_blank = true;
+ break;
+
+ case question: /* got a ? */
+ squest++; /* this will be used when a
+ later colon appears so we
+ can distinguish the
+ <c>?<n>:<n> construct */
+ if (ps.want_blank)
+ *e_code++ = ' ';
+ *e_code++ = '?';
+ ps.want_blank = true;
+ break;
+
+ case casestmt: /* got word 'case' or 'default' */
+ scase = true; /* so we can process the later
+ colon properly */
+ goto copy_id;
+
+ case colon: /* got a ':' */
+ if (squest > 0)
+ { /* it is part of the <c>?<n>:
+ <n> construct */
+ --squest;
+ if (ps.want_blank)
+ *e_code++ = ' ';
+ *e_code++ = ':';
+ ps.want_blank = true;
+ break;
+ }
+ if (ps.in_decl)
+ {
+ *e_code++ = ':';
+ ps.want_blank = false;
+ break;
+ }
+ ps.in_stmt = false; /* seeing a label does not
+ imply we are in a stmt */
+ for (t_ptr = s_code; *t_ptr; ++t_ptr)
+ *e_lab++ = *t_ptr; /* turn everything so far into
+ a label */
+ e_code = s_code;
+ *e_lab++ = ':';
+ *e_lab++ = ' ';
+ *e_lab = '\0';
+
+ force_nl = ps.pcase = scase; /* ps.pcase will be used by
+ dump_line to decide how to
+ indent the label. force_nl
+ will force a case n: to be
+ on a line by itself */
+ scase = false;
+ ps.want_blank = false;
+ break;
+
+ case semicolon: /* got a ';' */
+ ps.in_or_st = false; /* we are not in an
+ initialization or structure
+ declaration */
+ scase = false; /* these will only need
+ resetting in a error */
+ squest = 0;
+ if (ps.last_token == rparen)
+ ps.in_par_decl = 0;
+ ps.cast_mask = 0;
+ ps.sizeof_mask = 0;
+ ps.block_init = 0;
+ ps.block_init_level = 0;
+ ps.just_saw_decl--;
+
+ if (ps.in_decl && s_code == e_code && !ps.block_init)
+ while ((e_code - s_code) < (dec_ind - 1))
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = ' ';
+ }
+
+ ps.in_decl = (ps.dec_nest > 0);/* if we were in a first level
+ structure declaration, we
+ arent any more */
+
+ if ((!sp_sw || hd_type != forstmt) && ps.p_l_follow > 0)
+ {
+
+ /* This should be true iff there were unbalanced parens in
+ the stmt. It is a bit complicated, because the
+ semicolon might be in a for stmt */
+ diag(1, "Unbalanced parens");
+ ps.p_l_follow = 0;
+ if (sp_sw)
+ { /* this is a check for a if,
+ while, etc. with unbalanced
+ parens */
+ sp_sw = false;
+ parse(hd_type); /* dont lose the if, or
+ whatever */
+ }
+ }
+ *e_code++ = ';';
+ ps.want_blank = true;
+ ps.in_stmt = (ps.p_l_follow > 0); /* we are no longer in
+ the middle of a stmt */
+
+ if (!sp_sw)
+ { /* if not if for (;;) */
+ parse(semicolon); /* let parser know about end of
+ stmt */
+ force_nl = true; /* force newline after a end of
+ stmt */
+ }
+ break;
+
+ case lbrace: /* got a '{' */
+ ps.in_stmt = false; /* dont indent the {} */
+ if (!ps.block_init)
+ force_nl = true; /* force other stuff on same
+ line as '{' onto new line */
+ else if (ps.block_init_level <= 0)
+ ps.block_init_level = 1;
+ else
+ ps.block_init_level++;
+
+ if (s_code != e_code && !ps.block_init)
+ {
+ if (!btype_2)
+ {
+ dump_line();
+ ps.want_blank = false;
+ } else if (ps.in_par_decl && !ps.in_or_st)
+ {
+ ps.i_l_follow = 0;
+ dump_line();
+ ps.want_blank = false;
+ }
+ }
+ if (ps.in_par_decl)
+ prefix_blankline_requested = 0;
+
+ if (ps.p_l_follow > 0)
+ { /* check for preceeding
+ unbalanced parens */
+ diag(1, "Unbalanced parens");
+ ps.p_l_follow = 0;
+ if (sp_sw)
+ { /* check for unclosed if, for,
+ etc. */
+ sp_sw = false;
+ parse(hd_type);
+ ps.ind_level = ps.i_l_follow;
+ }
+ }
+ if (s_code == e_code)
+ ps.ind_stmt = false; /* dont put extra indentation
+ on line with '{' */
+ if (ps.in_decl && ps.in_or_st)
+ { /* this is either a structure
+ declaration or an init */
+ di_stack[ps.dec_nest++] = dec_ind;
+ /* ? dec_ind = 0; */
+ } else
+ {
+ ps.decl_on_line = false; /* we cant be in the middle of
+ a declaration, so dont do
+ special indentation of
+ comments */
+ if (bl_at_proctop
+ && ps.in_par_decl)
+ postfix_blankline_requested = 1;
+ ps.in_par_decl = 0;
+ }
+ dec_ind = 0;
+ parse(lbrace); /* let parser know about this */
+ if (ps.want_blank) /* put a blank before '{' if
+ '{' is not at start of line */
+ *e_code++ = ' ';
+ ps.want_blank = false;
+ *e_code++ = '{';
+ ps.just_saw_decl = 0;
+ break;
+
+ case rbrace: /* got a '}' */
+ if (ps.p_stack[ps.tos] == decl && !ps.block_init) /* semicolons can be
+ omitted in
+ declarations */
+ parse(semicolon);
+ if (ps.p_l_follow)
+ { /* check for unclosed if, for,
+ else. */
+ diag(1, "Unbalanced parens");
+ ps.p_l_follow = 0;
+ sp_sw = false;
+ }
+ ps.just_saw_decl = 0;
+ ps.block_init_level--;
+ if (s_code != e_code && !ps.block_init)
+ { /* '}' must be first on line */
+ if (verbose)
+ diag(0, "Line broken");
+ dump_line();
+ }
+ *e_code++ = '}';
+ ps.want_blank = true;
+ ps.in_stmt = ps.ind_stmt = false;
+ if (ps.dec_nest > 0)
+ { /* we are in multi-level
+ structure declaration */
+ dec_ind = di_stack[--ps.dec_nest];
+ if (ps.dec_nest == 0 && !ps.in_par_decl)
+ ps.just_saw_decl = 2;
+ ps.in_decl = true;
+ }
+ prefix_blankline_requested = 0;
+ parse(rbrace); /* let parser know about this */
+ ps.search_brace = cuddle_else && ps.p_stack[ps.tos] == ifhead
+ && ps.il[ps.tos] >= ps.ind_level;
+ if (ps.tos <= 1 && bl_a_procs && ps.dec_nest <= 0)
+ postfix_blankline_requested = 1;
+ break;
+
+ case swstmt: /* got keyword "switch" */
+ sp_sw = true;
+ hd_type = swstmt; /* keep this for when we have
+ seen the expression */
+ goto copy_id; /* go move the token into
+ buffer */
+
+ case sp_paren: /* token is if, while, for */
+ sp_sw = true; /* the interesting stuff is
+ done after the expression is
+ scanned */
+ hd_type = (*token == 'i' ? ifstmt :
+ (*token == 'w' ? whilestmt : forstmt));
+
+ /* remember the type of header for later use by parser */
+ goto copy_id; /* copy the token into line */
+
+ case sp_nparen: /* got else, do */
+ ps.in_stmt = false;
+ if (*token == 'e')
+ {
+ if (e_code != s_code && (!cuddle_else || e_code[-1] != '}'))
+ {
+ if (verbose)
+ diag(0, "Line broken");
+ dump_line(); /* make sure this starts a line */
+ ps.want_blank = false;
+ }
+ force_nl = true; /* also, following stuff must
+ go onto new line */
+ last_else = 1;
+ parse(elselit);
+ } else
+ {
+ if (e_code != s_code)
+ { /* make sure this starts a line */
+ if (verbose)
+ diag(0, "Line broken");
+ dump_line();
+ ps.want_blank = false;
+ }
+ force_nl = true; /* also, following stuff must
+ go onto new line */
+ last_else = 0;
+ parse(dolit);
+ }
+ goto copy_id; /* move the token into line */
+
+ case decl: /* we have a declaration type
+ (int, register, etc.) */
+ parse(decl); /* let parser worry about
+ indentation */
+ if (ps.last_token == rparen && ps.tos <= 1)
+ {
+ ps.in_par_decl = 1;
+ if (s_code != e_code)
+ {
+ dump_line();
+ ps.want_blank = 0;
+ }
+ }
+ if (ps.in_par_decl && ps.indent_parameters && ps.dec_nest == 0)
+ {
+ ps.ind_level = ps.i_l_follow = 1;
+ ps.ind_stmt = 0;
+ }
+ ps.in_or_st = true; /* this might be a structure or
+ initialization declaration */
+ ps.in_decl = ps.decl_on_line = true;
+ if ( /* !ps.in_or_st && */ ps.dec_nest <= 0)
+ ps.just_saw_decl = 2;
+ prefix_blankline_requested = 0;
+ for (i = 0; token[i++];); /* get length of token */
+
+ /* dec_ind = e_code - s_code + (ps.decl_indent>i ?
+ ps.decl_indent : i); */
+ dec_ind = ps.decl_indent > 0 ? ps.decl_indent : i;
+ goto copy_id;
+
+ case ident: /* got an identifier or
+ constant */
+ if (ps.in_decl)
+ { /* if we are in a declaration,
+ we must indent identifier */
+ if (ps.want_blank)
+ *e_code++ = ' ';
+ ps.want_blank = false;
+ if (is_procname == 0 || !proc_str_line)
+ {
+ if (!ps.block_init)
+ if (troff && !ps.dumped_decl_indent)
+ {
+ sprintf(e_code, "\n.De %dp+\200p\n", dec_ind * 7);
+ ps.dumped_decl_indent = 1;
+ e_code += strlen(e_code);
+ } else
+ while ((e_code - s_code) < dec_ind)
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = ' ';
+ }
+ } else
+ {
+ if (dec_ind && s_code != e_code)
+ dump_line();
+ dec_ind = 0;
+ ps.want_blank = false;
+ }
+ } else if (sp_sw && ps.p_l_follow == 0)
+ {
+ sp_sw = false;
+ force_nl = true;
+ ps.last_u_d = true;
+ ps.in_stmt = false;
+ parse(hd_type);
+ }
+ copy_id:
+ if (ps.want_blank)
+ *e_code++ = ' ';
+ if (troff && ps.its_a_keyword)
+ {
+ e_code = chfont(&bodyf, &keywordf, e_code);
+ for (t_ptr = token; *t_ptr; ++t_ptr)
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = keywordf.allcaps && islower(*t_ptr)
+ ? toupper(*t_ptr) : *t_ptr;
+ }
+ e_code = chfont(&keywordf, &bodyf, e_code);
+ } else
+ for (t_ptr = token; *t_ptr; ++t_ptr)
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = *t_ptr;
+ }
+ ps.want_blank = true;
+ break;
+
+ case period: /* treat a period kind of like
+ a binary operation */
+ *e_code++ = '.'; /* move the period into line */
+ ps.want_blank = false; /* dont put a blank after a
+ period */
+ break;
+
+ case comma:
+ ps.want_blank = (s_code != e_code); /* only put blank after
+ comma if comma does
+ not start the line */
+ if (ps.in_decl && is_procname == 0 && !ps.block_init)
+ while ((e_code - s_code) < (dec_ind - 1))
+ {
+ if (e_code >= l_code)
+ {
+ register nsize = l_code - s_code + 400;
+ codebuf = (char *) realloc(codebuf, nsize);
+ e_code = codebuf + (e_code - s_code) + 1;
+ l_code = codebuf + nsize - 5;
+ s_code = codebuf + 1;
+ }
+ *e_code++ = ' ';
+ }
+
+ *e_code++ = ',';
+ if (ps.p_l_follow == 0)
+ {
+ if (ps.block_init_level <= 0)
+ ps.block_init = 0;
+ if (break_comma && !ps.leave_comma)
+ force_nl = true;
+ }
+ break;
+
+ case preesc: /* got the character '#' */
+ if ((s_com != e_com) ||
+ (s_lab != e_lab) ||
+ (s_code != e_code))
+ dump_line();
+ *e_lab++ = '#'; /* move whole line to 'label'
+ buffer */
+ {
+ int in_comment = 0;
+ int com_start = 0;
+ char quote = 0;
+ int com_end = 0;
+
+ while (*buf_ptr != '\n' || in_comment)
+ {
+ if (e_lab >= l_lab)
+ {
+ register nsize = l_lab - s_lab + 400;
+ labbuf = (char *) realloc(labbuf, nsize);
+ e_lab = labbuf + (e_lab - s_lab) + 1;
+ l_lab = labbuf + nsize - 5;
+ s_lab = labbuf + 1;
+ }
+ *e_lab = *buf_ptr++;
+ if (buf_ptr >= buf_end)
+ fill_buffer();
+ switch (*e_lab++)
+ {
+ case BACKSLASH:
+ if (troff)
+ *e_lab++ = BACKSLASH;
+ if (!in_comment)
+ {
+ *e_lab++ = *buf_ptr++;
+ if (buf_ptr >= buf_end)
+ fill_buffer();
+ }
+ break;
+ case '/':
+ if (*buf_ptr == '*' && !in_comment && !quote)
+ {
+ in_comment = 1;
+ *e_lab++ = *buf_ptr++;
+ com_start = e_lab - s_lab - 2;
+ }
+ break;
+ case '"':
+ if (quote == '"')
+ quote = 0;
+ break;
+ case '\'':
+ if (quote == '\'')
+ quote = 0;
+ break;
+ case '*':
+ if (*buf_ptr == '/' && in_comment)
+ {
+ in_comment = 0;
+ *e_lab++ = *buf_ptr++;
+ com_end = e_lab - s_lab;
+ }
+ break;
+ }
+ }
+
+ while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
+ e_lab--;
+ if (e_lab - s_lab == com_end && bp_save == 0)
+ { /* comment on preprocessor line */
+ if (sc_end == 0) /* if this is the first
+ comment, we must set up the
+ buffer */
+ sc_end = &(save_com[0]);
+ else
+ {
+ *sc_end++ = '\n'; /* add newline between comments */
+ *sc_end++ = ' ';
+ --line_no;
+ }
+ memcpy(sc_end, s_lab + com_start, com_end - com_start);
+ sc_end += com_end - com_start;
+ if (sc_end >= &save_com[sc_size])
+ abort();
+ e_lab = s_lab + com_start;
+ while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
+ e_lab--;
+ bp_save = buf_ptr; /* save current input buffer */
+ be_save = buf_end;
+ buf_ptr = save_com; /* fix so that subsequent calls
+ to lexi will take tokens out
+ of save_com */
+ *sc_end++ = ' '; /* add trailing blank, just in
+ case */
+ buf_end = sc_end;
+ sc_end = 0;
+ }
+ *e_lab = '\0'; /* null terminate line */
+ ps.pcase = false;
+ }
+
+ if (strncmp(s_lab, "#if", 3) == 0)
+ {
+ if (bl_around)
+ {
+ register c;
+ prefix_blankline_requested++;
+ while ((c = getc(input)) == '\n');
+ ungetc(c, input);
+ }
+ if (ifdef_level < sizeof state_stack / sizeof state_stack[0])
+ {
+ match_state[ifdef_level].tos = -1;
+ state_stack[ifdef_level++] = ps;
+ } else
+ diag(1, "#if stack overflow");
+ } else if (strncmp(s_lab, "#else", 5) == 0)
+ if (ifdef_level <= 0)
+ diag(1, "Unmatched #else");
+ else
+ {
+ match_state[ifdef_level - 1] = ps;
+ ps = state_stack[ifdef_level - 1];
+ }
+ else if (strncmp(s_lab, "#endif", 6) == 0)
+ {
+ if (ifdef_level <= 0)
+ diag(1, "Unmatched #endif");
+ else
+ {
+ ifdef_level--;
+
+#ifdef undef
+ /* This match needs to be more intelligent before the
+ message is useful */
+ if (match_state[ifdef_level].tos >= 0
+ && bcmp(&ps, &match_state[ifdef_level], sizeof ps))
+ diag(0, "Syntactically inconsistant #ifdef alternatives.");
+#endif
+ }
+ if (bl_around)
+ {
+ postfix_blankline_requested++;
+ n_real_blanklines = 0;
+ }
+ }
+ break; /* subsequent processing of the
+ newline character will cause
+ the line to be printed */
+
+ case comment: /* we have gotten a / * this is
+ a biggie */
+ if (flushed_nl)
+ { /* we should force a broken
+ line here */
+ flushed_nl = false;
+ dump_line();
+ ps.want_blank = false; /* dont insert blank at line
+ start */
+ force_nl = false;
+ }
+ pr_comment();
+ break;
+ } /* end of big switch stmt */
+
+ *e_code = '\0'; /* make sure code section is
+ null terminated */
+ if (type_code != comment && type_code != newline && type_code != preesc)
+ ps.last_token = type_code;
+ } /* end of main while (1) loop */
+}
+
+/*
+ * copy input file to backup file if in_name is /blah/blah/blah/file, then
+ * backup file will be ".Bfile" then make the backup file the input and
+ * original input file the output
+ */
+void bakcopy()
+{
+ int n, bakchn;
+ char buff[8 * 1024];
+ register char *p;
+
+ /* construct file name .Bfile */
+ for (p = in_name; *p; p++); /* skip to end of string */
+ while (p > in_name && *p != '/') /* find last '/' */
+ p--;
+ if (*p == '/')
+ p++;
+ sprintf(bakfile, "%s.BAK", p);
+ if (strlen(p) >= NAME_SIZE) *bakfile ^= 040; /* toggle char */
+
+ /* copy in_name to backup file */
+ bakchn = creat(bakfile, 0600);
+ if (bakchn < 0)
+ {
+ fprintf(stderr, "indent: can't create backup file \"%s\"\n", bakfile);
+ exit(1);
+ }
+ while (n = read(fileno(input), buff, sizeof buff))
+ if (write(bakchn, buff, n) != n)
+ {
+ fprintf(stderr, "indent: error writing backup file \"%s\"\n",
+ bakfile);
+ exit(1);
+ }
+ if (n < 0)
+ {
+ fprintf(stderr, "indent: error reading input file \"%s\"\n", in_name);
+ exit(1);
+ }
+ close(bakchn);
+ fclose(input);
+
+ /* re-open backup file as the input file */
+ input = fopen(bakfile, "r");
+ if (input == 0)
+ {
+ fprintf(stderr, "indent: can't re-open backup file\n");
+ exit(1);
+ }
+ /* now the original input file will be the output */
+ output = fopen(in_name, "w");
+ if (output == 0)
+ {
+ fprintf(stderr, "indent: can't create %s\n", in_name);
+ unlink(bakfile);
+ exit(1);
+ }
+}
--- /dev/null
+-bap -bbb -br -ncdb -cli0.5 -di1 -lp -npsl -nfc1 -nip
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#define PUBLIC extern
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include "globs.h"
+#include "proto.h"
+
+
+int comment_open;
+static paren_target;
+
+void dump_line()
+{ /* dump_line is the routine
+ that actually effects the
+ printing of the new source.
+ It prints the label section,
+ followed by the code section
+ with the appropriate nesting
+ level, followed by any
+ comments */
+ register int cur_col, target_col;
+ static not_first_line;
+
+ if (ps.procname[0])
+ {
+ if (troff)
+ {
+ if (comment_open)
+ {
+ comment_open = 0;
+ fprintf(output, ".*/\n");
+ }
+ fprintf(output, ".Pr \"%s\"\n", ps.procname);
+ }
+ ps.ind_level = 0;
+ ps.procname[0] = 0;
+ }
+ if (s_code == e_code && s_lab == e_lab && s_com == e_com)
+ {
+ if (suppress_blanklines > 0)
+ suppress_blanklines--;
+ else
+ {
+ ps.bl_line = true;
+ n_real_blanklines++;
+ }
+ } else if (!inhibit_formatting)
+ {
+ suppress_blanklines = 0;
+ ps.bl_line = false;
+ if (prefix_blankline_requested && not_first_line)
+ if (swallow_opt_bl)
+ {
+ if (n_real_blanklines == 1)
+ n_real_blanklines = 0;
+ } else
+ {
+ if (n_real_blanklines == 0)
+ n_real_blanklines = 1;
+ }
+ while (--n_real_blanklines >= 0)
+ putc('\n', output);
+ n_real_blanklines = 0;
+ if (ps.ind_level == 0)
+ ps.ind_stmt = 0; /* this is a class A kludge.
+ dont do additional statement
+ indentation if we are at
+ bracket level 0 */
+
+ if (e_lab != s_lab || e_code != s_code)
+ ++code_lines; /* keep count of lines with
+ code */
+
+
+ if (e_lab != s_lab)
+ { /* print lab, if any */
+ if (comment_open)
+ {
+ comment_open = 0;
+ fprintf(output, ".*/\n");
+ }
+ while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
+ e_lab--;
+ cur_col = pad_output(1, label_target());
+ fprintf(output, "%.*s", (int)(e_lab - s_lab), s_lab);
+ cur_col = count_spaces(cur_col, s_lab);
+ } else
+ cur_col = 1; /* there is no label section */
+
+ ps.pcase = false;
+
+ if (s_code != e_code)
+ { /* print code section, if any */
+ register char *p;
+
+ if (comment_open)
+ {
+ comment_open = 0;
+ fprintf(output, ".*/\n");
+ }
+ target_col = code_target();
+ {
+ register i;
+
+ for (i = 0; i < ps.p_l_follow; i++)
+ if (ps.paren_indents[i] >= 0)
+ ps.paren_indents[i] = -(ps.paren_indents[i] + target_col);
+ }
+ cur_col = pad_output(cur_col, target_col);
+ for (p = s_code; p < e_code; p++)
+ if (*p == (char) 0200)
+ fprintf(output, "%d", target_col * 7);
+ else
+ putc(*p, output);
+ cur_col = count_spaces(cur_col, s_code);
+ }
+ if (s_com != e_com)
+ if (troff)
+ {
+ int all_here = 0;
+ register char *p;
+
+ if (e_com[-1] == '/' && e_com[-2] == '*')
+ e_com -= 2, all_here++;
+ while (e_com > s_com && e_com[-1] == ' ')
+ e_com--;
+ *e_com = 0;
+ p = s_com;
+ while (*p == ' ')
+ p++;
+ if (p[0] == '/' && p[1] == '*')
+ p += 2, all_here++;
+ else if (p[0] == '*')
+ p += p[1] == '/' ? 2 : 1;
+ while (*p == ' ')
+ p++;
+ if (*p == 0)
+ goto inhibit_newline;
+ if (comment_open < 2 && ps.box_com)
+ {
+ comment_open = 0;
+ fprintf(output, ".*/\n");
+ }
+ if (comment_open == 0)
+ {
+ if ('a' <= *p && *p <= 'z')
+ *p = *p + 'A' - 'a';
+ if (e_com - p < 50 && all_here == 2)
+ {
+ register char *follow = p;
+ fprintf(output, "\n.nr C! \\w\1");
+ while (follow < e_com)
+ {
+ switch (*follow)
+ {
+ case '\n':
+ putc(' ', output);
+ case 1:
+ break;
+ case '\\':
+ putc('\\', output);
+ default:
+ putc(*follow, output);
+ }
+ follow++;
+ }
+ putc(1, output);
+ }
+ fprintf(output, "\n./* %dp %d %dp\n",
+ ps.com_col * 7,
+ (s_code != e_code || s_lab != e_lab) - ps.box_com,
+ target_col * 7);
+ }
+ comment_open = 1 + ps.box_com;
+ while (*p)
+ {
+ if (*p == BACKSLASH)
+ putc(BACKSLASH, output);
+ putc(*p++, output);
+ }
+ } else
+ { /* print comment, if any */
+ register target = ps.com_col;
+ register char *com_st = s_com;
+
+ target += ps.comment_delta;
+ while (*com_st == '\t')
+ com_st++, target += 8; /* ? */
+ while (target <= 0)
+ if (*com_st == ' ')
+ target++, com_st++;
+ else if (*com_st == '\t')
+ target = ((target - 1) & ~7) + 9, com_st++;
+ else
+ target = 1;
+ if (cur_col > target)
+ { /* if comment cant fit on this
+ line, put it on next line */
+ putc('\n', output);
+ cur_col = 1;
+ ++ps.out_lines;
+ }
+ while (e_com > com_st && isspace(e_com[-1]))
+ e_com--;
+ cur_col = pad_output(cur_col, target);
+ if (!ps.box_com)
+ {
+ if (star_comment_cont && (com_st[1] != '*' || e_com <= com_st + 1))
+ if (com_st[1] == ' ' && com_st[0] == ' ' && e_com > com_st + 1)
+ com_st[1] = '*';
+ else
+ fwrite(" * ", com_st[0] == '\t' ? 2 : com_st[0] == '*' ? 1 : 3, 1, output);
+ }
+ fwrite(com_st, (int)(e_com - com_st), 1, output);
+ ps.comment_delta = ps.n_comment_delta;
+ cur_col = count_spaces(cur_col, com_st);
+ ++ps.com_lines; /* count lines with comments */
+ }
+ if (ps.use_ff)
+ putc('\014', output);
+ else
+ putc('\n', output);
+inhibit_newline:
+ ++ps.out_lines;
+ if (ps.just_saw_decl == 1 && bl_aft_decl)
+ {
+ prefix_blankline_requested = 1;
+ ps.just_saw_decl = 0;
+ } else
+ prefix_blankline_requested = postfix_blankline_requested;
+ postfix_blankline_requested = 0;
+ }
+ ps.decl_on_line = ps.in_decl; /* if we are in the middle of a
+ declaration, remember that
+ fact for proper comment
+ indentation */
+ ps.ind_stmt = ps.in_stmt & ~ps.in_decl; /* next line should be
+ indented if we have
+ not completed this
+ stmt and if we are
+ not in the middle of
+ a declaration */
+ ps.use_ff = false;
+ ps.dumped_decl_indent = 0;
+ *(e_lab = s_lab) = '\0'; /* reset buffers */
+ *(e_code = s_code) = '\0';
+ *(e_com = s_com) = '\0';
+ ps.ind_level = ps.i_l_follow;
+ ps.paren_level = ps.p_l_follow;
+ paren_target = -ps.paren_indents[ps.paren_level - 1];
+ not_first_line = 1;
+ return;
+}
+
+int code_target()
+{
+ register target_col = ps.ind_size * ps.ind_level + 1;
+
+ if (ps.paren_level)
+ if (!lineup_to_parens)
+ target_col += continuation_indent * ps.paren_level;
+ else
+ {
+ register w;
+ register t = paren_target;
+
+ if ((w = count_spaces(t, s_code) - max_col) > 0
+ && count_spaces(target_col, s_code) <= max_col)
+ {
+ t -= w + 1;
+ if (t > target_col)
+ target_col = t;
+ } else
+ target_col = t;
+ }
+ else if (ps.ind_stmt)
+ target_col += continuation_indent;
+ return target_col;
+}
+
+int label_target()
+{
+ return
+ ps.pcase ? (int) (case_ind * ps.ind_size) + 1
+ : *s_lab == '#' ? 1
+ : ps.ind_size * (ps.ind_level - label_offset) + 1;
+}
+
+
+/*
+ * Copyright (C) 1976 by the Board of Trustees of the University of Illinois
+ *
+ * All rights reserved
+ *
+ *
+ * NAME: fill_buffer
+ *
+ * FUNCTION: Reads one block of input into input_buffer
+ *
+ * HISTORY: initial coding November 1976 D A Willcox of CAC 1/7/77 A
+ * Willcox of CAC Added check for switch back to partly full input
+ * buffer from temporary buffer
+ *
+ */\f
+void
+fill_buffer()
+{ /* this routine reads stuff
+ from the input */
+ register char *p;
+ register int i;
+ register FILE *f = input;
+
+ if (bp_save != 0)
+ { /* there is a partly filled
+ input buffer left */
+ buf_ptr = bp_save; /* dont read anything, just
+ switch buffers */
+ buf_end = be_save;
+ bp_save = be_save = 0;
+ if (buf_ptr < buf_end)
+ return; /* only return if there is
+ really something in this
+ buffer */
+ }
+ for (p = buf_ptr = in_buffer;;)
+ {
+ if ((i = getc(f)) == EOF)
+ {
+ *p++ = ' ';
+ *p++ = '\n';
+ had_eof = true;
+ break;
+ }
+ *p++ = (char)i;
+ if (i == '\n')
+ break;
+ }
+ buf_end = p;
+ if (p[-2] == '/' && p[-3] == '*')
+ {
+ if (in_buffer[3] == 'I' && strncmp(in_buffer, "/**INDENT**", 11) == 0)
+ fill_buffer(); /* flush indent error message */
+ else
+ {
+ int com = 0;
+
+ p = in_buffer;
+ while (*p == ' ' || *p == '\t')
+ p++;
+ if (*p == '/' && p[1] == '*')
+ {
+ p += 2;
+ while (*p == ' ' || *p == '\t')
+ p++;
+ if (p[0] == 'I' && p[1] == 'N' && p[2] == 'D' && p[3] == 'E'
+ && p[4] == 'N' && p[5] == 'T')
+ {
+ p += 6;
+ while (*p == ' ' || *p == '\t')
+ p++;
+ if (*p == '*')
+ com = 1;
+ else if (*p == 'O')
+ if (*++p == 'N')
+ p++, com = 1;
+ else if (*p == 'F' && *++p == 'F')
+ p++, com = 2;
+ while (*p == ' ' || *p == '\t')
+ p++;
+ if (p[0] == '*' && p[1] == '/' && p[2] == '\n' && com)
+ {
+ if (s_com != e_com || s_lab != e_lab || s_code != e_code)
+ dump_line();
+ if (!(inhibit_formatting = com - 1))
+ {
+ n_real_blanklines = 0;
+ postfix_blankline_requested = 0;
+ prefix_blankline_requested = 0;
+ suppress_blanklines = 1;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (inhibit_formatting)
+ {
+ p = in_buffer;
+ do
+ putc(*p, output);
+ while (*p++ != '\n');
+ }
+ return;
+}
+
+/*
+ * Copyright (C) 1976 by the Board of Trustees of the University of Illinois
+ *
+ * All rights reserved
+ *
+ *
+ * NAME: pad_output
+ *
+ * FUNCTION: Writes tabs and spaces to move the current column up to the desired
+ * position.
+ *
+ * ALGORITHM: Put tabs and/or blanks into pobuf, then write pobuf.
+ *
+ * PARAMETERS: current integer The current column target
+ * nteger The desired column
+ *
+ * RETURNS: Integer value of the new column. (If current >= target, no action
+ * is taken, and current is returned.
+ *
+ * GLOBALS: None
+ *
+ * CALLS: write (sys)
+ *
+ * CALLED BY: dump_line
+ *
+ * HISTORY: initial coding November 1976 D A Willcox of CAC
+ *
+ */\f
+int pad_output(current, target) /* writes tabs and blanks (if
+ necessary) to get the
+ current output position up
+ to the target column */
+ int current; /* the current column value */
+ int target; /* position we want it at */
+{
+ register int curr; /* internal column pointer */
+ register int tcur;
+
+ if (troff)
+ fprintf(output, "\\h'|%dp'", (target - 1) * 7);
+ else
+ {
+ if (current >= target)
+ return (current); /* line is already long enough */
+ curr = current;
+ while ((tcur = ((curr - 1) & tabmask) + tabsize + 1) <= target)
+ {
+ putc('\t', output);
+ curr = tcur;
+ }
+ while (curr++ < target)
+ putc(' ', output); /* pad with final blanks */
+ }
+ return (target);
+}
+
+/*
+ * Copyright (C) 1976 by the Board of Trustees of the University of Illinois
+ *
+ * All rights reserved
+ *
+ *
+ * NAME: count_spaces
+ *
+ * FUNCTION: Find out where printing of a given string will leave the current
+ * character position on output.
+ *
+ * ALGORITHM: Run thru input string and add appropriate values to current
+ * position.
+ *
+ * RETURNS: Integer value of position after printing "buffer" starting in column
+ * "current".
+ *
+ * HISTORY: initial coding November 1976 D A Willcox of CAC
+ *
+ */\f
+int
+count_spaces(current, buffer)
+/*
+ * this routine figures out where the character position will be after
+ * printing the text in buffer starting at column "current"
+ */
+ int current;
+ char *buffer;
+{
+ register char *buf; /* used to look thru buffer */
+ register int cur; /* current character counter */
+
+ cur = current;
+
+ for (buf = buffer; *buf != '\0'; ++buf)
+ {
+ switch (*buf)
+ {
+
+ case '\n':
+ case 014: /* form feed */
+ cur = 1;
+ break;
+
+ case '\t':
+ cur = ((cur - 1) & tabmask) + tabsize + 1;
+ break;
+
+ case '\b': /* this is a backspace */
+ --cur;
+ break;
+
+ default:
+ ++cur;
+ break;
+ } /* end of switch */
+ } /* end of for loop */
+ return (cur);
+}
+
+int found_err;
+void diag(level, msg, a, b)
+int level;
+char *msg;
+int a, b;
+{
+ if (level)
+ found_err = 1;
+ if (output == stdout)
+ {
+ fprintf(stdout, "/**INDENT** %s@%d: ", level == 0 ? "Warning" : "Error", line_no);
+ fprintf(stdout, msg, a, b);
+ fprintf(stdout, " */\n");
+ } else
+ {
+ fprintf(stderr, "%s@%d: ", level == 0 ? "Warning" : "Error", line_no);
+ fprintf(stderr, msg, a, b);
+ fprintf(stderr, "\n");
+ }
+}
+
+void writefdef(f, nm)
+ register struct fstate *f;
+ int nm;
+{
+ fprintf(output, ".ds f%c %s\n.nr s%c %d\n",
+ nm, f->font, nm, f->size);
+}
+
+char *
+chfont(of, nf, s)
+ register struct fstate *of, *nf;
+ char *s;
+{
+ if (of->font[0] != nf->font[0]
+ || of->font[1] != nf->font[1])
+ {
+ *s++ = '\\';
+ *s++ = 'f';
+ if (nf->font[1])
+ {
+ *s++ = '(';
+ *s++ = nf->font[0];
+ *s++ = nf->font[1];
+ } else
+ *s++ = nf->font[0];
+ }
+ if (nf->size != of->size)
+ {
+ *s++ = '\\';
+ *s++ = 's';
+ if (nf->size < of->size)
+ {
+ *s++ = '-';
+ *s++ = (char)'0' + of->size - nf->size;
+ } else
+ {
+ *s++ = '+';
+ *s++ = (char)'0' + nf->size - of->size;
+ }
+ }
+ return s;
+}
+
+
+void parsefont(f, s0)
+ register struct fstate *f;
+ char *s0;
+{
+ register char *s = s0;
+ int sizedelta = 0;
+ memset(f, '\0', sizeof *f);
+ while (*s)
+ {
+ if (isdigit(*s))
+ f->size = f->size * 10 + *s - '0';
+ else if (isupper(*s))
+ if (f->font[0])
+ f->font[1] = *s;
+ else
+ f->font[0] = *s;
+ else if (*s == 'c')
+ f->allcaps = 1;
+ else if (*s == '+')
+ sizedelta++;
+ else if (*s == '-')
+ sizedelta--;
+ else
+ {
+ fprintf(stderr, "indent: bad font specification: %s\n", s0);
+ exit(1);
+ }
+ s++;
+ }
+ if (f->font[0] == 0)
+ f->font[0] = 'R';
+ if (bodyf.size == 0)
+ bodyf.size = 11;
+ if (f->size == 0)
+ f->size = bodyf.size + sizedelta;
+ else if (sizedelta > 0)
+ f->size += bodyf.size;
+ else
+ f->size = bodyf.size - f->size;
+}
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/*
+ * Here we have the token scanner for indent. It scans off one token and
+ * puts it in the global variable "token". It returns a code, indicating the
+ * type of token scanned.
+ */
+
+#define PUBLIC extern
+#include <ctype.h>
+#include <string.h>
+#include "globs.h"
+#include "codes.h"
+#include "proto.h"
+
+#define alphanum 1
+#define opchar 3
+
+struct templ
+{
+ char *rwd;
+ int rwcode;
+};
+
+struct templ specials[100] =
+{
+ "switch", 1,
+ "case", 2,
+ "break", 0,
+ "struct", 3,
+ "union", 3,
+ "enum", 3,
+ "default", 2,
+ "int", 4,
+ "char", 4,
+ "float", 4,
+ "double", 4,
+ "long", 4,
+ "short", 4,
+ "typedef", 4,
+ "unsigned", 4,
+ "register", 4,
+ "static", 4,
+ "global", 4,
+ "extern", 4,
+ "void", 4,
+ "goto", 0,
+ "return", 0,
+ "if", 5,
+ "while", 5,
+ "for", 5,
+ "else", 6,
+ "do", 6,
+ "sizeof", 7,
+ 0, 0
+};
+
+char chartype[128] =
+{ /* this is used to facilitate
+ the decision of what type
+ (alphanumeric, operator)
+ each character is */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 3, 0, 0, 1, 3, 3, 0,
+ 0, 0, 3, 3, 0, 3, 0, 3,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 0, 0, 3, 3, 3, 3,
+ 0, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 0, 0, 0, 3, 1,
+ 0, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 0, 3, 0, 3, 0
+};
+
+
+
+
+int
+lexi()
+{
+ register char *tok; /* local pointer to next char
+ in token */
+ int unary_delim; /* this is set to 1 if the
+ current token
+
+ forces a following operator to
+ be unary */
+ static int last_code; /* the last token type returned */
+ static int l_struct; /* set to 1 if the last token
+ was 'struct' */
+ int code; /* internal code to be returned */
+ char qchar; /* the delimiter character for
+ a string */
+
+ tok = token; /* point to start of place to
+ save token */
+ unary_delim = false;
+ ps.col_1 = ps.last_nl; /* tell world that this token
+ started in column 1 iff the
+ last thing scanned was nl */
+ ps.last_nl = false;
+
+ while (*buf_ptr == ' ' || *buf_ptr == '\t')
+ { /* get rid of blanks */
+ ps.col_1 = false; /* leading blanks imply token
+ is not in column 1 */
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ }
+
+ /* Scan an alphanumeric token */
+ if (chartype[*buf_ptr] == alphanum || (buf_ptr[0] == '.' && isdigit(buf_ptr[1])))
+ {
+ /* we have a character or number */
+ register char *j; /* used for searching thru list
+ of
+
+ reserved words */
+ register struct templ *p;
+
+ if (isdigit(*buf_ptr) || (buf_ptr[0] == '.' && isdigit(buf_ptr[1])))
+ {
+ int seendot = 0, seenexp = 0;
+ if (*buf_ptr == '0' &&
+ (buf_ptr[1] == 'x' || buf_ptr[1] == 'X'))
+ {
+ *tok++ = *buf_ptr++;
+ *tok++ = *buf_ptr++;
+ while (isxdigit(*buf_ptr))
+ *tok++ = *buf_ptr++;
+ } else
+ while (1)
+ {
+ if (*buf_ptr == '.')
+ if (seendot)
+ break;
+ else
+ seendot++;
+ *tok++ = *buf_ptr++;
+ if (!isdigit(*buf_ptr) && *buf_ptr != '.')
+ if ((*buf_ptr != 'E' && *buf_ptr != 'e') || seenexp)
+ break;
+ else
+ {
+ seenexp++;
+ seendot++;
+ *tok++ = *buf_ptr++;
+ if (*buf_ptr == '+' || *buf_ptr == '-')
+ *tok++ = *buf_ptr++;
+ }
+ }
+ if (*buf_ptr == 'L' || *buf_ptr == 'l')
+ *tok++ = *buf_ptr++;
+ } else
+ while (chartype[*buf_ptr] == alphanum)
+ { /* copy it over */
+ *tok++ = *buf_ptr++;
+ if (buf_ptr >= buf_end)
+ fill_buffer();
+ }
+ *tok++ = '\0';
+ while (*buf_ptr == ' ' || *buf_ptr == '\t')
+ { /* get rid of blanks */
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ }
+ ps.its_a_keyword = false;
+ ps.sizeof_keyword = false;
+ if (l_struct)
+ { /* if last token was 'struct',
+ then this token should be
+ treated as a declaration */
+ l_struct = false;
+ last_code = ident;
+ ps.last_u_d = true;
+ return (decl);
+ }
+ ps.last_u_d = false; /* Operator after indentifier
+ is binary */
+ last_code = ident; /* Remember that this is the
+ code we will return */
+
+ /* This loop will check if the token is a keyword. */
+ for (p = specials; (j = p->rwd) != 0; p++)
+ {
+ tok = token; /* point at scanned token */
+ if (*j++ != *tok++ || *j++ != *tok++)
+ continue; /* This test depends on the
+ fact that identifiers are
+ always at least 1 character
+ long (ie. the first two
+ bytes of the identifier are
+ always meaningful) */
+ if (tok[-1] == 0)
+ break; /* If its a one-character
+ identifier */
+ while (*tok++ == *j)
+ if (*j++ == 0)
+ goto found_keyword; /* I wish that C had a
+ multi-level break... */
+ }
+ if (p->rwd)
+ { /* we have a keyword */
+ found_keyword:
+ ps.its_a_keyword = true;
+ ps.last_u_d = true;
+ switch (p->rwcode)
+ {
+ case 1: /* it is a switch */
+ return (swstmt);
+ case 2: /* a case or default */
+ return (casestmt);
+
+ case 3: /* a "struct" */
+ if (ps.p_l_follow)
+ break; /* inside parens: cast */
+ l_struct = true;
+
+ /* Next time around, we will want to know that we have had
+ a 'struct' */
+ case 4: /* one of the declaration
+ keywords */
+ if (ps.p_l_follow)
+ {
+ ps.cast_mask |= 1 << ps.p_l_follow;
+ break; /* inside parens: cast */
+ }
+ last_code = decl;
+ return (decl);
+
+ case 5: /* if, while, for */
+ return (sp_paren);
+
+ case 6: /* do, else */
+ return (sp_nparen);
+
+ case 7:
+ ps.sizeof_keyword = true;
+ default: /* all others are treated like
+ any other identifier */
+ return (ident);
+ } /* end of switch */
+ } /* end of if (found_it) */
+ if (*buf_ptr == '(' && ps.tos <= 1 && ps.ind_level == 0)
+ {
+ register char *tp = buf_ptr;
+ while (tp < buf_end)
+ if (*tp++ == ')' && *tp == ';')
+ goto not_proc;
+ strncpy(ps.procname, token, sizeof ps.procname - 1);
+ ps.in_par_decl = 1;
+ not_proc:;
+ }
+ /* The following hack attempts to guess whether or not the
+ current token is in fact a declaration keyword -- one that has
+ been typedefd */
+ if (((*buf_ptr == '*' && buf_ptr[1] != '=') || isalpha(*buf_ptr) || *buf_ptr == '_')
+ && !ps.p_l_follow
+ && !ps.block_init
+ && (ps.last_token == rparen || ps.last_token == semicolon ||
+ ps.last_token == decl ||
+ ps.last_token == lbrace || ps.last_token == rbrace))
+ {
+ ps.its_a_keyword = true;
+ ps.last_u_d = true;
+ last_code = decl;
+ return decl;
+ }
+ if (last_code == decl) /* if this is a declared
+ variable, then following
+ sign is unary */
+ ps.last_u_d = true; /* will make "int a -1" work */
+ last_code = ident;
+ return (ident); /* the ident is not in the list */
+ } /* end of procesing for alpanum
+ character */
+ /* l l l Scan a non-alphanumeric token */
+ *tok++ = *buf_ptr; /* if it is only a
+ one-character token, it is
+ moved here */
+ *tok = '\0';
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+
+ switch (*token)
+ {
+ case '\n':
+ unary_delim = ps.last_u_d;
+ ps.last_nl = true; /* remember that we just had a
+ newline */
+ code = (had_eof ? 0 : newline);
+
+ /* if data has been exausted, the newline is a dummy, and we
+ should return code to stop */
+ break;
+
+ case '\'': /* start of quoted character */
+ case '"': /* start of string */
+ qchar = *token;
+ if (troff)
+ {
+ tok[-1] = '`';
+ if (qchar == '"')
+ *tok++ = '`';
+ tok = chfont(&bodyf, &stringf, tok);
+ }
+ do
+ { /* copy the string */
+ while (1)
+ { /* move one character or
+ [/<char>]<char> */
+ if (*buf_ptr == '\n')
+ {
+ printf("%d: Unterminated literal\n", line_no);
+ goto stop_lit;
+ }
+ *tok = *buf_ptr++;
+ if (buf_ptr >= buf_end)
+ fill_buffer();
+ if (had_eof || ((tok - token) > (bufsize - 2)))
+ {
+ printf("Unterminated literal\n");
+ ++tok;
+ goto stop_lit;
+ /* get outof literal copying loop */
+ }
+ if (*tok == BACKSLASH)
+ { /* if escape, copy extra char */
+ if (*buf_ptr == '\n') /* check for escaped newline */
+ ++line_no;
+ if (troff)
+ {
+ *++tok = BACKSLASH;
+ if (*buf_ptr == BACKSLASH)
+ *++tok = BACKSLASH;
+ }
+ *++tok = *buf_ptr++;
+ ++tok; /* we must increment this again
+ because we copied two chars */
+ if (buf_ptr >= buf_end)
+ fill_buffer();
+ } else
+ break; /* we copied one character */
+ } /* end of while (1) */
+ } while (*tok++ != qchar);
+ if (troff)
+ {
+ tok = chfont(&stringf, &bodyf, tok - 1);
+ if (qchar == '"')
+ *tok++ = '\'';
+ }
+stop_lit:
+ code = ident;
+ break;
+
+ case ('('):
+ case ('['):
+ unary_delim = true;
+ code = lparen;
+ break;
+
+ case (')'):
+ case (']'):
+ code = rparen;
+ break;
+
+ case '#':
+ unary_delim = ps.last_u_d;
+ code = preesc;
+ break;
+
+ case '?':
+ unary_delim = true;
+ code = question;
+ break;
+
+ case (':'):
+ code = colon;
+ unary_delim = true;
+ break;
+
+ case (';'):
+ unary_delim = true;
+ code = semicolon;
+ break;
+
+ case ('{'):
+ unary_delim = true;
+
+ /* if (ps.in_or_st) ps.block_init = 1; */
+ code = ps.block_init ? lparen : lbrace;
+ break;
+
+ case ('}'):
+ unary_delim = true;
+ code = ps.block_init ? rparen : rbrace;
+ break;
+
+ case 014: /* a form feed */
+ unary_delim = ps.last_u_d;
+ ps.last_nl = true; /* remember this so we can set
+ 'ps.col_1' right */
+ code = form_feed;
+ break;
+
+ case (','):
+ unary_delim = true;
+ code = comma;
+ break;
+
+ case '.':
+ unary_delim = false;
+ code = period;
+ break;
+
+ case '-':
+ case '+': /* check for -, +, --, ++ */
+ code = (ps.last_u_d ? unary_op : binary_op);
+ unary_delim = true;
+
+ if (*buf_ptr == token[0])
+ {
+ /* check for doubled character */
+ *tok++ = *buf_ptr++;
+ /* buffer overflow will be checked at end of loop */
+ if (last_code == ident || last_code == rparen)
+ {
+ code = (ps.last_u_d ? unary_op : postop);
+ /* check for following ++ or -- */
+ unary_delim = false;
+ }
+ } else if (*buf_ptr == '=')
+ /* check for operator += */
+ *tok++ = *buf_ptr++;
+ else if (*buf_ptr == '>')
+ {
+ /* check for operator -> */
+ *tok++ = *buf_ptr++;
+ if (!ptr_binop)
+ {
+ unary_delim = false;
+ code = unary_op;
+ ps.want_blank = false;
+ }
+ }
+ break; /* buffer overflow will be
+ checked at end of switch */
+
+ case '=':
+ if (ps.in_or_st)
+ ps.block_init = 1;
+#ifdef undef
+ if (chartype[*buf_ptr] == opchar)
+ { /* we have two char assignment */
+ tok[-1] = *buf_ptr++;
+ if ((tok[-1] == '<' || tok[-1] == '>') && tok[-1] == *buf_ptr)
+ *tok++ = *buf_ptr++;
+ *tok++ = '='; /* Flip =+ to += */
+ *tok = 0;
+ }
+#else
+ if (*buf_ptr == '=')
+ { /* == */
+ *tok++ = '='; /* Flip =+ to += */
+ buf_ptr++;
+ *tok = 0;
+ }
+#endif
+ code = binary_op;
+ unary_delim = true;
+ break;
+ /* can drop thru!!! */
+
+ case '>':
+ case '<':
+ case '!': /* ops like <, <<, <=, !=, etc */
+ if (*buf_ptr == '>' || *buf_ptr == '<' || *buf_ptr == '=')
+ {
+ *tok++ = *buf_ptr;
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ }
+ if (*buf_ptr == '=')
+ *tok++ = *buf_ptr++;
+ code = (ps.last_u_d ? unary_op : binary_op);
+ unary_delim = true;
+ break;
+
+ default:
+ if (token[0] == '/' && *buf_ptr == '*')
+ {
+ /* it is start of comment */
+ *tok++ = '*';
+
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+
+ code = comment;
+ unary_delim = ps.last_u_d;
+ break;
+ }
+ while (*(tok - 1) == *buf_ptr || *buf_ptr == '=')
+ {
+ /* handle ||, &&, etc, and also things as in int *****i */
+ *tok++ = *buf_ptr;
+ if (++buf_ptr >= buf_end)
+ fill_buffer();
+ }
+ code = (ps.last_u_d ? unary_op : binary_op);
+ unary_delim = true;
+
+
+ } /* end of switch */
+ if (code != newline)
+ {
+ l_struct = false;
+ last_code = code;
+ }
+ if (buf_ptr >= buf_end) /* check for input buffer empty */
+ fill_buffer();
+ ps.last_u_d = unary_delim;
+ *tok = '\0'; /* null terminate the token */
+ return (code);
+}
+
+/*
+ * Add the given keyword to the keyword table, using val as the keyword type
+ */
+void addkey(key, val)
+ char *key;
+ int val;
+{
+ register struct templ *p = specials;
+ while (p->rwd)
+ if (p->rwd[0] == key[0] && strcmp(p->rwd, key) == 0)
+ return;
+ else
+ p++;
+ if (p >= specials + sizeof specials / sizeof specials[0])
+ return; /* For now, table overflows are
+ silently ignored */
+ p->rwd = key;
+ p->rwcode = val;
+ p[1].rwd = 0;
+ p[1].rwcode = 0;
+ return;
+}
--- /dev/null
+/**
+ * Copyright (c) 1985 Sun Microsystems, Inc.
+ * Copyright (c) 1980 The Regents of the University of California.
+ * Copyright (c) 1976 Board of Trustees of the University of Illinois.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley, the University of Illinois,
+ * Urbana, and Sun Microsystems, Inc. The name of either University
+ * or Sun Microsystems may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#define PUBLIC extern
+#include "./globs.h"
+#include "./codes.h"
+#include "proto.h"
+
+
+
+
+void parse(tk)
+ int tk; /* the code for the construct
+ scanned */
+{
+ int i;
+
+#ifdef debug
+ printf("%2d - %s\n", tk, token);
+#endif
+
+ while (ps.p_stack[ps.tos] == ifhead && tk != elselit)
+ {
+ /* true if we have an if without an else */
+ ps.p_stack[ps.tos] = stmt; /* apply the if(..) stmt ::=
+ stmt reduction */
+ reduce(); /* see if this allows any
+ reduction */
+ }
+
+
+ switch (tk)
+ { /* go on and figure out what to
+ do with the input */
+
+ case decl: /* scanned a declaration word */
+ ps.search_brace = btype_2;
+ /* indicate that following brace should be on same line */
+ if (ps.p_stack[ps.tos] != decl)
+ { /* only put one declaration
+ onto stack */
+ break_comma = true; /* while in declaration,
+ newline should be forced
+ after comma */
+ ps.p_stack[++ps.tos] = decl;
+ ps.il[ps.tos] = ps.i_l_follow;
+
+ if (ps.ljust_decl)
+ { /* only do if we want left
+ justified declarations */
+ ps.ind_level = 0;
+ for (i = ps.tos - 1; i > 0; --i)
+ if (ps.p_stack[i] == decl)
+ ++ps.ind_level; /* indentation is number of
+ declaration levels deep we
+ are */
+ ps.i_l_follow = ps.ind_level;
+ }
+ }
+ break;
+
+ case ifstmt: /* scanned if (...) */
+ if (ps.p_stack[ps.tos] == elsehead && ps.else_if) /* "else if ..." */
+ ps.i_l_follow = ps.il[ps.tos];
+ case dolit: /* 'do' */
+ case forstmt: /* for (...) */
+ ps.p_stack[++ps.tos] = tk;
+ ps.il[ps.tos] = ps.ind_level = ps.i_l_follow;
+ ++ps.i_l_follow; /* subsequent statements should
+ be indented 1 */
+ ps.search_brace = btype_2;
+ break;
+
+ case lbrace: /* scanned { */
+ break_comma = false; /* don't break comma in an
+ initial list */
+ if (ps.p_stack[ps.tos] == stmt || ps.p_stack[ps.tos] == decl
+ || ps.p_stack[ps.tos] == stmtl)
+ ++ps.i_l_follow; /* it is a random, isolated
+ stmt group or a declaration */
+ else
+ {
+ if (s_code == e_code)
+ {
+ /* only do this if there is nothing on the line */
+ --ps.ind_level;
+ /* it is a group as part of a while, for, etc. */
+ if (ps.p_stack[ps.tos] == swstmt && ps.case_indent >= 1)
+ --ps.ind_level;
+ /* for a switch, brace should be two levels out from the
+ code */
+ }
+ }
+
+ ps.p_stack[++ps.tos] = lbrace;
+ ps.il[ps.tos] = ps.ind_level;
+ ps.p_stack[++ps.tos] = stmt;
+ /* allow null stmt between braces */
+ ps.il[ps.tos] = ps.i_l_follow;
+ break;
+
+ case whilestmt: /* scanned while (...) */
+ if (ps.p_stack[ps.tos] == dohead)
+ {
+ /* it is matched with do stmt */
+ ps.ind_level = ps.i_l_follow = ps.il[ps.tos];
+ ps.p_stack[++ps.tos] = whilestmt;
+ ps.il[ps.tos] = ps.ind_level = ps.i_l_follow;
+ } else
+ { /* it is a while loop */
+ ps.p_stack[++ps.tos] = whilestmt;
+ ps.il[ps.tos] = ps.i_l_follow;
+ ++ps.i_l_follow;
+ ps.search_brace = btype_2;
+ }
+
+ break;
+
+ case elselit: /* scanned an else */
+
+ if (ps.p_stack[ps.tos] != ifhead)
+ diag(1, "Unmatched 'else'");
+ else
+ {
+ ps.ind_level = ps.il[ps.tos]; /* indentation for else should
+ be same as for if */
+ ps.i_l_follow = ps.ind_level + 1; /* everything following
+ should be in 1 level */
+ ps.p_stack[ps.tos] = elsehead;
+ /* remember if with else */
+ ps.search_brace = btype_2 | ps.else_if;
+ }
+ break;
+
+ case rbrace: /* scanned a } */
+ /* stack should have <lbrace> <stmt> or <lbrace> <stmtl> */
+ if (ps.p_stack[ps.tos - 1] == lbrace)
+ {
+ ps.ind_level = ps.i_l_follow = ps.il[--ps.tos];
+ ps.p_stack[ps.tos] = stmt;
+ } else
+ diag(1, "Stmt nesting error.");
+ break;
+
+ case swstmt: /* had switch (...) */
+ ps.p_stack[++ps.tos] = swstmt;
+ ps.cstk[ps.tos] = case_ind;
+ /* save current case indent level */
+ ps.il[ps.tos] = ps.i_l_follow;
+ case_ind = ps.i_l_follow + ps.case_indent; /* cases should be one
+ level down from
+ switch */
+ ps.i_l_follow += ps.case_indent + 1; /* statements should be
+ two levels in */
+ ps.search_brace = btype_2;
+ break;
+
+ case semicolon: /* this indicates a simple stmt */
+ break_comma = false; /* turn off flag to break after
+ commas in a declaration */
+ ps.p_stack[++ps.tos] = stmt;
+ ps.il[ps.tos] = ps.ind_level;
+ break;
+
+ default: /* this is an error */
+ diag(1, "Unknown code to parser");
+ return;
+
+
+ } /* end of switch */
+
+ reduce(); /* see if any reduction can be
+ done */
+
+#ifdef debug
+ for (i = 1; i <= ps.tos; ++i)
+ printf("(%d %d)", ps.p_stack[i], ps.il[i]);
+ printf("\n");
+#endif
+
+ return;
+}
+
+/*
+ * Copyright (C) 1976 by the Board of Trustees of the University of Illinois
+ *
+ * All rights reserved
+ *
+ *
+ * NAME: reduce
+ *
+ * FUNCTION: Implements the reduce part of the parsing algorithm
+ *
+ * ALGORITHM: The following reductions are done. Reductions are repeated until
+ * no more are possible.
+ *
+ * Old TOS New TOS <stmt> <stmt> <stmtl> <stmtl> <stmt> <stmtl> do
+ * <stmt> "dostmt" if <stmt> "ifstmt" switch <stmt> <stmt> decl
+ * <stmt> <stmt> "ifelse" <stmt> <stmt> for <stmt> <stmt> while
+ * <stmt> <stmt> "dostmt" while <stmt>
+ *
+ * On each reduction, ps.i_l_follow (the indentation for the following line) is
+ * set to the indentation level associated with the old TOS.
+ *
+ * PARAMETERS: None
+ *
+ * RETURNS: Nothing
+ *
+ * GLOBALS: ps.cstk ps.i_l_follow = ps.il ps.p_stack = ps.tos =
+ *
+ * CALLS: None
+ *
+ * CALLED BY: parse
+ *
+ * HISTORY: initial coding November 1976 D A Willcox of CAC
+ *
+ */\f
+/*----------------------------------------------*\
+| REDUCTION PHASE |
+\*----------------------------------------------*/
+void reduce()
+{
+
+ register int i;
+
+ for (;;)
+ { /* keep looping until there is
+ nothing left to reduce */
+
+ switch (ps.p_stack[ps.tos])
+ {
+
+ case stmt:
+ switch (ps.p_stack[ps.tos - 1])
+ {
+
+ case stmt:
+ case stmtl:
+ /* stmtl stmt or stmt stmt */
+ ps.p_stack[--ps.tos] = stmtl;
+ break;
+
+ case dolit: /* <do> <stmt> */
+ ps.p_stack[--ps.tos] = dohead;
+ ps.i_l_follow = ps.il[ps.tos];
+ break;
+
+ case ifstmt:
+ /* <if> <stmt> */
+ ps.p_stack[--ps.tos] = ifhead;
+ for (i = ps.tos - 1;
+ (
+ ps.p_stack[i] != stmt
+ &&
+ ps.p_stack[i] != stmtl
+ &&
+ ps.p_stack[i] != lbrace
+ );
+ --i);
+ ps.i_l_follow = ps.il[i];
+ /* for the time being, we will assume that there is no else
+ on this if, and set the indentation level accordingly.
+ If an else is scanned, it will be fixed up later */
+ break;
+
+ case swstmt:
+ /* <switch> <stmt> */
+ case_ind = ps.cstk[ps.tos - 1];
+
+ case decl: /* finish of a declaration */
+ case elsehead:
+ /* <<if> <stmt> else> <stmt> */
+ case forstmt:
+ /* <for> <stmt> */
+ case whilestmt:
+ /* <while> <stmt> */
+ ps.p_stack[--ps.tos] = stmt;
+ ps.i_l_follow = ps.il[ps.tos];
+ break;
+
+ default: /* <anything else> <stmt> */
+ return;
+
+ } /* end of section for <stmt> on
+ top of stack */
+ break;
+
+ case whilestmt: /* while (...) on top */
+ if (ps.p_stack[ps.tos - 1] == dohead)
+ {
+ /* it is termination of a do while */
+ ps.p_stack[--ps.tos] = stmt;
+ break;
+ } else
+ return;
+
+ default: /* anything else on top */
+ return;
+
+ }
+ }
+}
--- /dev/null
+/* _PROTOTYPE( void diag, (int level,char *msg, int a, int b) ); */
+void diag(); /* HACK. should be varargs */
+
+_PROTOTYPE( void set_profile, (void ) );
+_PROTOTYPE( void scan_profile, (FILE *f) );
+_PROTOTYPE( int eqin, (char *s1,char *s2) );
+_PROTOTYPE( void set_defaults, (void ) );
+_PROTOTYPE( void set_option, (char *arg) );
+_PROTOTYPE( void pr_comment, (void ) );
+_PROTOTYPE( void main, (int argc,char * *argv) );
+_PROTOTYPE( void bakcopy, (void ) );
+_PROTOTYPE( void dump_line, (void ) );
+_PROTOTYPE( int code_target, (void ) );
+_PROTOTYPE( int label_target, (void ) );
+_PROTOTYPE( void fill_buffer, (void ) );
+_PROTOTYPE( int pad_output, (int current,int target) );
+_PROTOTYPE( int count_spaces, (int current,char *buffer) );
+_PROTOTYPE( void writefdef, (struct fstate *f,int nm) );
+_PROTOTYPE( char *chfont, (struct fstate *of,struct fstate *nf,char *s) );
+_PROTOTYPE( void parsefont, (struct fstate *f,char *s0) );
+_PROTOTYPE( int lexi, (void ) );
+_PROTOTYPE( void addkey, (char *key,int val) );
+_PROTOTYPE( void makext, (char *newname,char *newext) );
+_PROTOTYPE( void parse, (int tk) );
+_PROTOTYPE( void reduce, (void ) );
+