e3625e9c22
declarations with the opening brace on the same line as the declaration of arguments all spaces and no tabs (a feature which exists in GNU's indent). Man page update to follow RSN. PR: bin/67983 Submitted by: Chip Norkus <wd@teleri.net> Style guidance and bug for bug compatibility by: bde MFC after: 2 weeks
327 lines
9.9 KiB
C
327 lines
9.9 KiB
C
/*
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* Copyright (c) 1985 Sun Microsystems, Inc.
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)args.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Argument scanning and profile reading code. Default parameters are set
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* here as well.
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*/
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#include <ctype.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "indent_globs.h"
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#include "indent.h"
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/* profile types */
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#define PRO_SPECIAL 1 /* special case */
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#define PRO_BOOL 2 /* boolean */
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#define PRO_INT 3 /* integer */
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#define PRO_FONT 4 /* troff font */
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/* profile specials for booleans */
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#define ON 1 /* turn it on */
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#define OFF 0 /* turn it off */
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/* profile specials for specials */
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#define IGN 1 /* ignore it */
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#define CLI 2 /* case label indent (float) */
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#define STDIN 3 /* use stdin */
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#define KEY 4 /* type (keyword) */
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static void scan_profile(FILE *);
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const char *option_source = "?";
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/*
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* N.B.: because of the way the table here is scanned, options whose names are
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* substrings of other options must occur later; that is, with -lp vs -l, -lp
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* must be first. Also, while (most) booleans occur more than once, the last
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* default value is the one actually assigned.
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*/
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struct pro {
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const char *p_name; /* name, e.g. -bl, -cli */
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int p_type; /* type (int, bool, special) */
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int p_default; /* the default value (if int) */
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int p_special; /* depends on type */
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int *p_obj; /* the associated variable */
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} pro[] = {
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{"T", PRO_SPECIAL, 0, KEY, 0},
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{"bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation},
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{"badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop},
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{"bad", PRO_BOOL, false, ON, &blanklines_after_declarations},
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{"bap", PRO_BOOL, false, ON, &blanklines_after_procs},
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{"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments},
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{"bc", PRO_BOOL, true, OFF, &ps.leave_comma},
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{"bl", PRO_BOOL, true, OFF, &btype_2},
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{"br", PRO_BOOL, true, ON, &btype_2},
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{"bs", PRO_BOOL, false, ON, &Bill_Shannon},
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{"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline},
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{"cd", PRO_INT, 0, 0, &ps.decl_com_ind},
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{"ce", PRO_BOOL, true, ON, &cuddle_else},
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{"ci", PRO_INT, 0, 0, &continuation_indent},
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{"cli", PRO_SPECIAL, 0, CLI, 0},
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{"c", PRO_INT, 33, 0, &ps.com_ind},
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{"di", PRO_INT, 16, 0, &ps.decl_indent},
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{"dj", PRO_BOOL, false, ON, &ps.ljust_decl},
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{"d", PRO_INT, 0, 0, &ps.unindent_displace},
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{"eei", PRO_BOOL, false, ON, &extra_expression_indent},
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{"ei", PRO_BOOL, true, ON, &ps.else_if},
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{"fbc", PRO_FONT, 0, 0, (int *) &blkcomf},
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{"fbs", PRO_BOOL, true, ON, &function_brace_split},
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{"fbx", PRO_FONT, 0, 0, (int *) &boxcomf},
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{"fb", PRO_FONT, 0, 0, (int *) &bodyf},
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{"fc1", PRO_BOOL, true, ON, &format_col1_comments},
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{"fcb", PRO_BOOL, true, ON, &format_block_comments},
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{"fc", PRO_FONT, 0, 0, (int *) &scomf},
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{"fk", PRO_FONT, 0, 0, (int *) &keywordf},
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{"fs", PRO_FONT, 0, 0, (int *) &stringf},
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{"ip", PRO_BOOL, true, ON, &ps.indent_parameters},
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{"i", PRO_INT, 8, 0, &ps.ind_size},
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{"lc", PRO_INT, 0, 0, &block_comment_max_col},
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{"ldi", PRO_INT, -1, 0, &ps.local_decl_indent},
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{"lp", PRO_BOOL, true, ON, &lineup_to_parens},
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{"l", PRO_INT, 78, 0, &max_col},
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{"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation},
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{"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop},
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{"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations},
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{"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs},
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{"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments},
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{"nbc", PRO_BOOL, true, ON, &ps.leave_comma},
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{"nbs", PRO_BOOL, false, OFF, &Bill_Shannon},
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{"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline},
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{"nce", PRO_BOOL, true, OFF, &cuddle_else},
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{"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl},
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{"neei", PRO_BOOL, false, OFF, &extra_expression_indent},
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{"nei", PRO_BOOL, true, OFF, &ps.else_if},
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{"nfbs", PRO_BOOL, true, OFF, &function_brace_split},
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{"nfc1", PRO_BOOL, true, OFF, &format_col1_comments},
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{"nfcb", PRO_BOOL, true, OFF, &format_block_comments},
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{"nip", PRO_BOOL, true, OFF, &ps.indent_parameters},
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{"nlp", PRO_BOOL, true, OFF, &lineup_to_parens},
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{"npcs", PRO_BOOL, false, OFF, &proc_calls_space},
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{"npro", PRO_SPECIAL, 0, IGN, 0},
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{"npsl", PRO_BOOL, true, OFF, &procnames_start_line},
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{"nps", PRO_BOOL, false, OFF, &pointer_as_binop},
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{"nsc", PRO_BOOL, true, OFF, &star_comment_cont},
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{"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines},
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{"nut", PRO_BOOL, true, OFF, &use_tabs},
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{"nv", PRO_BOOL, false, OFF, &verbose},
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{"pcs", PRO_BOOL, false, ON, &proc_calls_space},
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{"psl", PRO_BOOL, true, ON, &procnames_start_line},
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{"ps", PRO_BOOL, false, ON, &pointer_as_binop},
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{"sc", PRO_BOOL, true, ON, &star_comment_cont},
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{"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines},
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{"st", PRO_SPECIAL, 0, STDIN, 0},
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{"troff", PRO_BOOL, false, ON, &troff},
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{"ut", PRO_BOOL, true, ON, &use_tabs},
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{"v", PRO_BOOL, false, ON, &verbose},
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/* whew! */
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{0, 0, 0, 0, 0}
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};
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/*
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* set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments
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* given in these files.
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*/
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void
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set_profile(void)
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{
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FILE *f;
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char fname[BUFSIZ];
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static char prof[] = ".indent.pro";
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sprintf(fname, "%s/%s", getenv("HOME"), prof);
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if ((f = fopen(option_source = fname, "r")) != NULL) {
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scan_profile(f);
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(void) fclose(f);
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}
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if ((f = fopen(option_source = prof, "r")) != NULL) {
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scan_profile(f);
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(void) fclose(f);
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}
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option_source = "Command line";
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}
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static void
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scan_profile(FILE *f)
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{
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int comment, i;
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char *p;
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char buf[BUFSIZ];
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while (1) {
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p = buf;
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comment = 0;
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while ((i = getc(f)) != EOF) {
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if (i == '*' && !comment && p > buf && p[-1] == '/') {
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comment = p - buf;
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*p++ = i;
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} else if (i == '/' && comment && p > buf && p[-1] == '*') {
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p = buf + comment - 1;
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comment = 0;
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} else if (isspace(i)) {
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if (p > buf && !comment)
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break;
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} else {
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*p++ = i;
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}
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}
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if (p != buf) {
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*p++ = 0;
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if (verbose)
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printf("profile: %s\n", buf);
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set_option(buf);
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}
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else if (i == EOF)
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return;
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}
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}
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const char *param_start;
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static int
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eqin(const char *s1, const char *s2)
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{
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while (*s1) {
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if (*s1++ != *s2++)
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return (false);
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}
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param_start = s2;
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return (true);
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}
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/*
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* Set the defaults.
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*/
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void
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set_defaults(void)
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{
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struct pro *p;
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/*
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* Because ps.case_indent is a float, we can't initialize it from the
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* table:
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*/
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ps.case_indent = 0.0; /* -cli0.0 */
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for (p = pro; p->p_name; p++)
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if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT)
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*p->p_obj = p->p_default;
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}
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void
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set_option(char *arg)
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{
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struct pro *p;
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arg++; /* ignore leading "-" */
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for (p = pro; p->p_name; p++)
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if (*p->p_name == *arg && eqin(p->p_name, arg))
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goto found;
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errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1);
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found:
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switch (p->p_type) {
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case PRO_SPECIAL:
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switch (p->p_special) {
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case IGN:
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break;
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case CLI:
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if (*param_start == 0)
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goto need_param;
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ps.case_indent = atof(param_start);
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break;
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case STDIN:
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if (input == 0)
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input = stdin;
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if (output == 0)
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output = stdout;
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break;
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case KEY:
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if (*param_start == 0)
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goto need_param;
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{
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char *str = (char *) malloc(strlen(param_start) + 1);
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if (str == NULL)
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err(1, NULL);
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strcpy(str, param_start);
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addkey(str, 4);
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}
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break;
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default:
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errx(1, "set_option: internal error: p_special %d", p->p_special);
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}
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break;
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case PRO_BOOL:
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if (p->p_special == OFF)
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*p->p_obj = false;
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else
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*p->p_obj = true;
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break;
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case PRO_INT:
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if (!isdigit(*param_start)) {
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need_param:
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errx(1, "%s: ``%s'' requires a parameter", option_source, arg - 1);
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}
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*p->p_obj = atoi(param_start);
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break;
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case PRO_FONT:
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parsefont((struct fstate *) p->p_obj, param_start);
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break;
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default:
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errx(1, "set_option: internal error: p_type %d", p->p_type);
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}
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}
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