Minix1.5/commands/indent/globs.h
/**
* 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;
};
char *chfont();
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;
long 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];