/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 1985 Sun Microsystems, Inc.
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)indent_globs.h 8.1 (Berkeley) 6/6/93
* $FreeBSD$
*/
#define BACKSLASH '\\'
#define bufsize 200 /* size of internal buffers */
#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 false 0
#define true 1
extern FILE *input; /* the fid for the input file */
extern FILE *output; /* the output file */
#define CHECK_SIZE_CODE(desired_size) \
if (e_code + (desired_size) >= l_code) { \
int nsize = l_code-s_code + 400 + desired_size; \
int code_len = e_code-s_code; \
codebuf = (char *) realloc(codebuf, nsize); \
if (codebuf == NULL) \
err(1, NULL); \
e_code = codebuf + code_len + 1; \
l_code = codebuf + nsize - 5; \
s_code = codebuf + 1; \
}
#define CHECK_SIZE_COM(desired_size) \
if (e_com + (desired_size) >= l_com) { \
int nsize = l_com-s_com + 400 + desired_size; \
int com_len = e_com - s_com; \
int blank_pos; \
if (last_bl != NULL) \
blank_pos = last_bl - combuf; \
else \
blank_pos = -1; \
combuf = (char *) realloc(combuf, nsize); \
if (combuf == NULL) \
err(1, NULL); \
e_com = combuf + com_len + 1; \
if (blank_pos > 0) \
last_bl = combuf + blank_pos; \
l_com = combuf + nsize - 5; \
s_com = combuf + 1; \
}
#define CHECK_SIZE_LAB(desired_size) \
if (e_lab + (desired_size) >= l_lab) { \
int nsize = l_lab-s_lab + 400 + desired_size; \
int label_len = e_lab - s_lab; \
labbuf = (char *) realloc(labbuf, nsize); \
if (labbuf == NULL) \
err(1, NULL); \
e_lab = labbuf + label_len + 1; \
l_lab = labbuf + nsize - 5; \
s_lab = labbuf + 1; \
}
#define CHECK_SIZE_TOKEN(desired_size) \
if (e_token + (desired_size) >= l_token) { \
int nsize = l_token-s_token + 400 + desired_size; \
int token_len = e_token - s_token; \
tokenbuf = (char *) realloc(tokenbuf, nsize); \
if (tokenbuf == NULL) \
err(1, NULL); \
e_token = tokenbuf + token_len + 1; \
l_token = tokenbuf + nsize - 5; \
s_token = tokenbuf + 1; \
}
extern char *labbuf; /* buffer for label */
extern char *s_lab; /* start ... */
extern char *e_lab; /* .. and end of stored label */
extern char *l_lab; /* limit of label buffer */
extern char *codebuf; /* buffer for code section */
extern char *s_code; /* start ... */
extern char *e_code; /* .. and end of stored code */
extern char *l_code; /* limit of code section */
extern char *combuf; /* buffer for comments */
extern char *s_com; /* start ... */
extern char *e_com; /* ... and end of stored comments */
extern char *l_com; /* limit of comment buffer */
#define token s_token
extern char *tokenbuf; /* the last token scanned */
extern char *s_token;
extern char *e_token;
extern char *l_token;
extern char *in_buffer; /* input buffer */
extern char *in_buffer_limit; /* the end of the input buffer */
extern char *buf_ptr; /* ptr to next character to be taken
* from in_buffer */
extern char *buf_end; /* ptr to first after last char in
* in_buffer */
extern char sc_buf[sc_size]; /* input text is saved here when looking
* for the brace after an if, while, etc */
extern char *save_com; /* start of the comment stored in
* sc_buf */
extern char *sc_end; /* pointer into save_com buffer */
extern char *bp_save; /* saved value of buf_ptr when taking
* input from save_com */
extern char *be_save; /* similarly saved value of buf_end */
struct options {
int blanklines_around_conditional_compilation;
int blanklines_after_declarations_at_proctop; /* this is vaguely
* similar to blanklines_after_decla except
* that in 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 */
int blanklines_after_declarations;
int blanklines_after_procs;
int blanklines_before_blockcomments;
int leave_comma; /* if true, never break declarations after
* commas */
int btype_2; /* when true, brace should be on same line
* as if, while, etc */
int Bill_Shannon; /* true iff a blank should always be
* inserted after sizeof */
int comment_delimiter_on_blankline;
int decl_com_ind; /* the column in which comments after
* declarations should be put */
int cuddle_else; /* true if else should cuddle up to '}' */
int continuation_indent; /* set to the indentation between the
* edge of code and continuation lines */
float case_indent; /* The distance to indent case labels from the
* switch statement */
int com_ind; /* the column in which comments to the right
* of code should start */
int decl_indent; /* column to indent declared identifiers to */
int ljust_decl; /* true if declarations should be left
* justified */
int unindent_displace; /* comments not to the right of code
* will be placed this many
* indentation levels to the left of
* code */
int extra_expression_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 */
int else_if; /* True iff else if pairs should be handled
* specially */
int function_brace_split; /* split function declaration and
* brace onto separate lines */
int format_col1_comments; /* If comments which start in column 1
* are to be magically reformatted (just
* like comments that begin in later columns) */
int format_block_comments; /* true if comments beginning with
* `/ * \n' are to be reformatted */
int indent_parameters;
int ind_size; /* the size of one indentation level */
int block_comment_max_col;
int local_decl_indent; /* like decl_indent but for locals */
int lineup_to_parens_always; /* if true, do not attempt to keep
* lined-up code within the margin */
int lineup_to_parens; /* if true, continued code within parens
* will be lined up to the open paren */
int proc_calls_space; /* If true, procedure calls look like:
* foo (bar) rather than foo(bar) */
int procnames_start_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) */
int space_after_cast; /* "b = (int) a" vs "b = (int)a" */
int star_comment_cont; /* true iff comment continuation lines
* should have stars at the beginning of
* each line. */
int swallow_optional_blanklines;
int auto_typedefs; /* set true to recognize identifiers
* ending in "_t" like typedefs */
int tabsize; /* the size of a tab */
int max_col; /* the maximum allowable line length */
int use_tabs; /* set true to use tabs for spacing, false
* uses all spaces */
int verbose; /* when true, non-essential error messages
* are printed */
};
extern struct options opt;
extern int found_err;
extern int n_real_blanklines;
extern int prefix_blankline_requested;
extern int postfix_blankline_requested;
extern int break_comma; /* when true and not in parens, break after a
* comma */
extern float case_ind; /* indentation level to be used for a "case
* n:" */
extern int code_lines; /* count of lines with code */
extern int had_eof; /* set to true when input is exhausted */
extern int line_no; /* the current line number. */
extern int inhibit_formatting; /* true if INDENT OFF is in effect */
extern int suppress_blanklines;/* set iff following blanklines should be
* suppressed */
#define STACKSIZE 256
struct parser_state {
int last_token;
int p_stack[STACKSIZE]; /* this is the parsers stack */
int il[STACKSIZE]; /* this stack stores indentation levels */
float 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 / followed by * */
int comment_delta; /* used to set up indentation for all lines
* of a boxed comment after the first one */
int n_comment_delta;/* remembers how many columns there were
* before the start of a box comment so that
* forthcoming lines of the comment are
* indented properly */
int cast_mask; /* indicates which close parens potentially
* close off casts */
int not_cast_mask; /* indicates which close parens definitely
* close off something else than casts */
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
* comment 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_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_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 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 statements */
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 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 keyword; /* the type of a keyword or 0 */
int dumped_decl_indent;
int in_parameter_declaration;
int tos; /* pointer to top of stack */
char procname[100]; /* The name of the current procedure */
int just_saw_decl;
};
extern struct parser_state ps;
extern int ifdef_level;
extern struct parser_state state_stack[5];
extern struct parser_state match_state[5];
