/* * 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 #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 1 FILE *input; /* the fid for the input file */ FILE *output; /* the output file */ #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; \ } 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 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; unsigned 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; struct parser_state state_stack[5]; struct parser_state match_state[5];