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BSD 4_3_Reno release
[unix-history] / usr / src / pgrm / indent / 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: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* @(#)indent_globs.h 5.10 (Berkeley) 6/1/90
*/
#include <stdio.h>
#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 tabsize 8 /* the size of a tab */
#define tabmask 0177770 /* mask used when figuring length of lines
* with tabs */
#define false 0
#define true 1
FILE *input; /* the fid for the input file */
FILE *output; /* the output file */
#define CHECK_SIZE_CODE \
if (e_code >= l_code) { \
register nsize = l_code-s_code+400; \
codebuf = (char *) realloc(codebuf, nsize); \
e_code = codebuf + (e_code-s_code) + 1; \
l_code = codebuf + nsize - 5; \
s_code = codebuf + 1; \
}
#define CHECK_SIZE_COM \
if (e_com >= l_com) { \
register nsize = l_com-s_com+400; \
combuf = (char *) realloc(combuf, nsize); \
e_com = combuf + (e_com-s_com) + 1; \
l_com = combuf + nsize - 5; \
s_com = combuf + 1; \
}
#define CHECK_SIZE_LAB \
if (e_lab >= l_lab) { \
register nsize = l_lab-s_lab+400; \
labbuf = (char *) realloc(labbuf, nsize); \
e_lab = labbuf + (e_lab-s_lab) + 1; \
l_lab = labbuf + nsize - 5; \
s_lab = labbuf + 1; \
}
#define CHECK_SIZE_TOKEN \
if (e_token >= l_token) { \
register nsize = l_token-s_token+400; \
tokenbuf = (char *) realloc(tokenbuf, nsize); \
e_token = tokenbuf + (e_token-s_token) + 1; \
l_token = tokenbuf + nsize - 5; \
s_token = tokenbuf + 1; \
}
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 */
#define token s_token
char *tokenbuf; /* the last token scanned */
char *s_token;
char *e_token;
char *l_token;
char *in_buffer; /* input buffer */
char *in_buffer_limit; /* the end of the 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 */
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 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 */
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 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_decla
* rations 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 */
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;
} ps;
int ifdef_level;
int rparen_count;
struct parser_state state_stack[5];
struct parser_state match_state[5];
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.