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LANGUAGE OS.iso
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indent.lha
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indent
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globals.h
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C/C++ Source or Header
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1992-07-06
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15KB
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310 lines
/*
* Copyright 1989 Object Design, Inc.
* 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.
*
* @(#)globals.h 6.0 (Berkeley) 92/06/15
*/
#include <stdio.h>
#include <memory.h> /* gst: 24 mar 89 */
#ifdef __IBMC__ /* IBM C Set/2 and other IBM C compilers */
# ifdef __OS2__
# ifndef OS2
# define OS2
# endif
# endif
#endif
#ifdef MSDOS
# ifndef OS2
# define OS2
# endif
#endif
#ifdef OS2
# ifndef ANSIC
# define ANSIC
# endif
#endif
#define BACKSLASH '\\'
#define bufsize 1000 /* size of internal buffers */
#define inp_bufs 1000 /* 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 cplus_ppp_indent 2 /* spaces to indent public, private, protected
in c++ */
#define false 0
#define true 1
FILE *input; /* the fid for the input file */
FILE *output; /* the output file */
#ifdef OS2
#define check_size(name) \
if (e_##name >= l_##name) { \
register nsize = l_##name-s_##name+400; \
name##buf = (char *) realloc(name##buf, nsize); \
e_##name = name##buf + (e_##name-s_##name) + 1; \
l_##name = name##buf + nsize - 5; \
s_##name = name##buf + 1; \
}
#else
#define check_size(name) \
if (e_/**/name >= l_/**/name) { \
register nsize = l_/**/name-s_/**/name+400; \
name/**/buf = (char *) realloc(name/**/buf, nsize); \
e_/**/name = name/**/buf + (e_/**/name-s_/**/name) + 1; \
l_/**/name = name/**/buf + nsize - 5; \
s_/**/name = name/**/buf + 1; \
}
#endif
char *labbuf; /* buffer for label */
char *s_lab; /* start ... */
char *e_lab; /* .. and end of stored label */
char *l_lab; /* limit of label buffer */
char *codebuf; /* buffer for code section */
char *s_code; /* start ... */
char *e_code; /* .. and end of stored code */
char *l_code; /* limit of code section */
char *combuf; /* buffer for comments */
char *s_com; /* start ... */
char *e_com; /* ... and end of stored comments */
char *l_com; /* limit of comment buffer */
char in_buffer[inp_bufs]; /* input buffer */
char *buf_ptr; /* ptr to next character to be taken from
in_buffer */
char *buf_end; /* ptr to first after last char in in_buffer */
char save_com[sc_size]; /* input text is saved here when looking for
the brace after an if, while, etc */
char *sc_end; /* pointer into save_com buffer */
char *bp_save; /* saved value of buf_ptr when taking input
from save_com */
char *be_save; /* similarly saved value of buf_end */
char token[bufsize]; /* the last token scanned */
int cplus; /* c++ */
int pointer_as_binop;
int blanklines_after_declarations;
int blanklines_before_blockcomments;
int blanklines_after_procs;
int blanklines_around_conditional_compilation;
int swallow_optional_blanklines;
int n_real_blanklines;
int prefix_blankline_requested;
int postfix_blankline_requested;
int tabsize;
int break_comma; /* when true and not in parens, break after a
comma */
int btype_2; /* when true, brace should be on same line as
if, while, etc */
int btype_3; /* when true, braces are not only on the next
line but indented with the enclosed code */
float case_ind; /* indentation level to be used for a "case n:" */
int code_lines; /* count of lines with code */
int had_eof; /* set to true when input is exhausted */
int line_no; /* the current line number. */
int max_col; /* the maximum allowable line length */
int verbose; /* when true, non-essential error messages are
printed */
int cuddle_else; /* true if else should cuddle up to '}' */
int star_comment_cont; /* true iff comment continuation lines should
have stars at the beginning of each line. */
int comment_delimiter_on_blankline;
int troff; /* true iff were generating troff input */
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 proc_calls_space; /* If true, procedure calls look like: foo(bar)
rather than foo (bar) */
int parens_space; /* If true, parens gets spaces inside them */
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 inhibit_formatting; /* true if INDENT OFF is in effect */
int suppress_blanklines; /* set iff following blanklines should be
suppressed */
int continuation_indent; /* set to the indentation between the edge of
code and continuation lines */
int lineup_to_parens; /* if true, continued code within parens will
be lined up to the open paren */
int Bill_Shannon; /* true iff a blank should always be inserted
after sizeof */
int blanklines_after_declarations_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 */
int block_comment_max_col;
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 */
/* -troff font state information */
struct fstate
{
char font[4];
char size;
int allcaps:1;
};
char *chfont();
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
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 */
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 /* */
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;
float case_indent; /* The distance to indent case labels from the
switch statement */
float case_code_indent; /* The distance to indent case code from the
case label */
int in_parameter_declaration;
int indent_parameters;
int tos; /* pointer to top of stack */
char procname[100]; /* The name of the current procedure */
int just_saw_decl;
int cc_comment; /* saw a C++ comment ("//...") */
} ps;
int ifdef_level;
struct parser_state state_stack[5];
struct parser_state match_state[5];
typedef enum cplus_flag
{
c_only,
c_and_cplus,
cplus_only
} cplus_flag;
#ifdef ANSIC
#include "proto.h"
#endif