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
13 KiB
C
327 lines
13 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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* @(#)indent_globs.h 8.1 (Berkeley) 6/6/93
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* $FreeBSD$
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*/
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#define BACKSLASH '\\'
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#define bufsize 200 /* size of internal buffers */
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#define sc_size 5000 /* size of save_com buffer */
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#define label_offset 2 /* number of levels a label is placed to left
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* of code */
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#define tabsize 8 /* the size of a tab */
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#define tabmask 0177770 /* mask used when figuring length of lines
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* with tabs */
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#define false 0
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#define true 1
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FILE *input; /* the fid for the input file */
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FILE *output; /* the output file */
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#define CHECK_SIZE_CODE \
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if (e_code >= l_code) { \
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int nsize = l_code-s_code+400; \
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codebuf = (char *) realloc(codebuf, nsize); \
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if (codebuf == NULL) \
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err(1, NULL); \
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e_code = codebuf + (e_code-s_code) + 1; \
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l_code = codebuf + nsize - 5; \
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s_code = codebuf + 1; \
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}
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#define CHECK_SIZE_COM \
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if (e_com >= l_com) { \
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int nsize = l_com-s_com+400; \
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combuf = (char *) realloc(combuf, nsize); \
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if (combuf == NULL) \
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err(1, NULL); \
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e_com = combuf + (e_com-s_com) + 1; \
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l_com = combuf + nsize - 5; \
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s_com = combuf + 1; \
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}
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#define CHECK_SIZE_LAB \
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if (e_lab >= l_lab) { \
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int nsize = l_lab-s_lab+400; \
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labbuf = (char *) realloc(labbuf, nsize); \
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if (labbuf == NULL) \
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err(1, NULL); \
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e_lab = labbuf + (e_lab-s_lab) + 1; \
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l_lab = labbuf + nsize - 5; \
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s_lab = labbuf + 1; \
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}
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#define CHECK_SIZE_TOKEN \
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if (e_token >= l_token) { \
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int nsize = l_token-s_token+400; \
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tokenbuf = (char *) realloc(tokenbuf, nsize); \
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if (tokenbuf == NULL) \
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err(1, NULL); \
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e_token = tokenbuf + (e_token-s_token) + 1; \
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l_token = tokenbuf + nsize - 5; \
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s_token = tokenbuf + 1; \
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}
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char *labbuf; /* buffer for label */
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char *s_lab; /* start ... */
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char *e_lab; /* .. and end of stored label */
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char *l_lab; /* limit of label buffer */
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char *codebuf; /* buffer for code section */
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char *s_code; /* start ... */
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char *e_code; /* .. and end of stored code */
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char *l_code; /* limit of code section */
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char *combuf; /* buffer for comments */
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char *s_com; /* start ... */
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char *e_com; /* ... and end of stored comments */
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char *l_com; /* limit of comment buffer */
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#define token s_token
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char *tokenbuf; /* the last token scanned */
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char *s_token;
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char *e_token;
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char *l_token;
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char *in_buffer; /* input buffer */
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char *in_buffer_limit; /* the end of the input buffer */
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char *buf_ptr; /* ptr to next character to be taken from
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* in_buffer */
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char *buf_end; /* ptr to first after last char in in_buffer */
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char save_com[sc_size]; /* input text is saved here when looking for
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* the brace after an if, while, etc */
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char *sc_end; /* pointer into save_com buffer */
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char *bp_save; /* saved value of buf_ptr when taking input
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* from save_com */
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char *be_save; /* similarly saved value of buf_end */
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int pointer_as_binop;
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int blanklines_after_declarations;
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int blanklines_before_blockcomments;
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int blanklines_after_procs;
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int blanklines_around_conditional_compilation;
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int swallow_optional_blanklines;
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int n_real_blanklines;
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int prefix_blankline_requested;
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int postfix_blankline_requested;
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int break_comma; /* when true and not in parens, break after a
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* comma */
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int btype_2; /* when true, brace should be on same line as
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* if, while, etc */
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float case_ind; /* indentation level to be used for a "case
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* n:" */
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int code_lines; /* count of lines with code */
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int had_eof; /* set to true when input is exhausted */
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int line_no; /* the current line number. */
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int max_col; /* the maximum allowable line length */
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int verbose; /* when true, non-essential error messages are
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* printed */
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int cuddle_else; /* true if else should cuddle up to '}' */
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int star_comment_cont; /* true iff comment continuation lines should
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* have stars at the beginning of each line. */
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int comment_delimiter_on_blankline;
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int troff; /* true iff were generating troff input */
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int procnames_start_line; /* if true, the names of procedures
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* being defined get placed in column
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* 1 (ie. a newline is placed between
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* the type of the procedure and its
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* name) */
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int proc_calls_space; /* If true, procedure calls look like:
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* foo(bar) rather than foo (bar) */
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int format_block_comments; /* true if comments beginning with
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* `/ * \n' are to be reformatted */
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int format_col1_comments; /* If comments which start in column 1
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* are to be magically reformatted
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* (just like comments that begin in
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* later columns) */
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int inhibit_formatting; /* true if INDENT OFF is in effect */
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int suppress_blanklines;/* set iff following blanklines should be
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* suppressed */
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int continuation_indent;/* set to the indentation between the edge of
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* code and continuation lines */
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int lineup_to_parens; /* if true, continued code within parens will
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* be lined up to the open paren */
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int Bill_Shannon; /* true iff a blank should always be inserted
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* after sizeof */
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int blanklines_after_declarations_at_proctop; /* This is vaguely
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* similar to
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* blanklines_after_decla
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* rations except that
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* it only applies to
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* the first set of
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* declarations in a
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* procedure (just after
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* the first '{') and it
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* causes a blank line
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* to be generated even
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* if there are no
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* declarations */
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int block_comment_max_col;
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int extra_expression_indent; /* true if continuation lines from the
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* expression part of "if(e)",
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* "while(e)", "for(e;e;e)" should be
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* indented an extra tab stop so that
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* they don't conflict with the code
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* that follows */
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int function_brace_split; /* split function declaration and
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* brace onto separate lines */
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int use_tabs; /* set true to use tabs for spacing,
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* false uses all spaces */
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/* -troff font state information */
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struct fstate {
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char font[4];
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char size;
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int allcaps:1;
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};
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char *chfont(struct fstate *, struct fstate *, char *);
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struct fstate
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keywordf, /* keyword font */
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stringf, /* string font */
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boxcomf, /* Box comment font */
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blkcomf, /* Block comment font */
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scomf, /* Same line comment font */
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bodyf; /* major body font */
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#define STACKSIZE 150
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struct parser_state {
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int last_token;
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struct fstate cfont; /* Current font */
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int p_stack[STACKSIZE]; /* this is the parsers stack */
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int il[STACKSIZE]; /* this stack stores indentation levels */
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float cstk[STACKSIZE];/* used to store case stmt indentation levels */
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int box_com; /* set to true when we are in a "boxed"
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* comment. In that case, the first non-blank
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* char should be lined up with the / in / followed by * */
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int comment_delta,
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n_comment_delta;
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int cast_mask; /* indicates which close parens close off
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* casts */
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int sizeof_mask; /* indicates which close parens close off
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* sizeof''s */
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int block_init; /* true iff inside a block initialization */
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int block_init_level; /* The level of brace nesting in an
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* initialization */
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int last_nl; /* this is true if the last thing scanned was
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* a newline */
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int in_or_st; /* Will be true iff there has been a
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* declarator (e.g. int or char) and no left
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* paren since the last semicolon. When true,
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* a '{' is starting a structure definition or
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* an initialization list */
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int bl_line; /* set to 1 by dump_line if the line is blank */
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int col_1; /* set to true if the last token started in
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* column 1 */
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int com_col; /* this is the column in which the current
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* comment should start */
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int com_ind; /* the column in which comments to the right
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* of code should start */
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int com_lines; /* the number of lines with comments, set by
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* dump_line */
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int dec_nest; /* current nesting level for structure or init */
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int decl_com_ind; /* the column in which comments after
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* declarations should be put */
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int decl_on_line; /* set to true if this line of code has part
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* of a declaration on it */
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int i_l_follow; /* the level to which ind_level should be set
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* after the current line is printed */
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int in_decl; /* set to true when we are in a declaration
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* stmt. The processing of braces is then
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* slightly different */
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int in_stmt; /* set to 1 while in a stmt */
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int ind_level; /* the current indentation level */
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int ind_size; /* the size of one indentation level */
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int ind_stmt; /* set to 1 if next line should have an extra
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* indentation level because we are in the
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* middle of a stmt */
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int last_u_d; /* set to true after scanning a token which
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* forces a following operator to be unary */
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int leave_comma; /* if true, never break declarations after
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* commas */
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int ljust_decl; /* true if declarations should be left
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* justified */
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int out_coms; /* the number of comments processed, set by
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* pr_comment */
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int out_lines; /* the number of lines written, set by
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* dump_line */
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int p_l_follow; /* used to remember how to indent following
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* statement */
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int paren_level; /* parenthesization level. used to indent
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* within statements */
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short paren_indents[20]; /* column positions of each paren */
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int pcase; /* set to 1 if the current line label is a
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* case. It is printed differently from a
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* regular label */
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int search_brace; /* set to true by parse when it is necessary
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* to buffer up all info up to the start of a
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* stmt after an if, while, etc */
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int unindent_displace; /* comments not to the right of code
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* will be placed this many
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* indentation levels to the left of
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* code */
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int use_ff; /* set to one if the current line should be
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* terminated with a form feed */
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int want_blank; /* set to true when the following token should
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* be prefixed by a blank. (Said prefixing is
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* ignored in some cases.) */
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int else_if; /* True iff else if pairs should be handled
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* specially */
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int decl_indent; /* column to indent declared identifiers to */
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int local_decl_indent; /* like decl_indent but for locals */
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int its_a_keyword;
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int sizeof_keyword;
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int dumped_decl_indent;
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float case_indent; /* The distance to indent case labels from the
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* switch statement */
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int in_parameter_declaration;
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int indent_parameters;
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int tos; /* pointer to top of stack */
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char procname[100]; /* The name of the current procedure */
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int just_saw_decl;
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} ps;
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int ifdef_level;
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int rparen_count;
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struct parser_state state_stack[5];
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struct parser_state match_state[5];
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