-int input; /* the fid for the input file */
-int output; /* the fid for the output file */
-
-char labbuf[bufsize];
- /* buffer for label */
-char *s_lab; /* start ... */
-char *e_lab; /* .. and end of stored label */
-
-char codebuf[bufsize];
- /* buffer for code section */
-char *s_code; /* start ... */
-char *e_code; /* .. and end of stored code */
-
-char combuf[bufsize];
- /* buffer for comments */
-char *s_com; /* start ... */
-char *e_com; /* ... and end of stored comments */
-
-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 bl_line; /* set to 1 by dump_line if the line is blank */
-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 case_ind; /* indentation level to be used for a "case n:" */
-int code_lines;/* count of lines with code */
-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 had_eof; /* set to true when input is exhausted */
-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 line_no; /* the current line number. */
-int ljust_decl;/* true if declarations should be left justified */
-int max_col; /* the maximum allowable line length */
-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
- */
-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 verbose; /* when true, non-essential error messages are printed
- */
+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;
+ 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];
projects / unix-history / blobdiff