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+/* printing.h
+
+ Copyright 2009 Taco Hoekwater <taco@luatex.org>
+
+ This file is part of LuaTeX.
+
+ LuaTeX is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ LuaTeX is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
+
+/* $Id: printing.h 3436 2010-02-21 15:34:00Z taco $ */
+
+#ifndef PRINTING_H
+# define PRINTING_H
+
+typedef enum {
+ no_print = 16, /* |selector| setting that makes data disappear */
+ term_only = 17, /* printing is destined for the terminal only */
+ log_only = 18, /* printing is destined for the transcript file only */
+ term_and_log = 19, /* normal |selector| setting */
+ pseudo = 20, /* special |selector| setting for |show_context| */
+ new_string = 21, /* printing is deflected to the string pool */
+} selector_settings;
+
+# define ssup_error_line 255
+# define max_selector new_string
+ /* highest selector setting */
+
+extern alpha_file log_file;
+extern int selector;
+extern int dig[23];
+extern int tally;
+extern int term_offset;
+extern int file_offset;
+extern packed_ASCII_code trick_buf[(ssup_error_line + 1)];
+extern int trick_count;
+extern int first_count;
+extern boolean inhibit_par_tokens;
+
+/*
+Macro abbreviations for output to the terminal and to the log file are
+defined here for convenience. Some systems need special conventions
+for terminal output, and it is possible to adhere to those conventions
+by changing |wterm|, |wterm_ln|, and |wterm_cr| in this section.
+@^system dependencies@>
+*/
+
+# define wterm_cr() fprintf(term_out,"\n")
+# define wlog_cr() fprintf(log_file,"\n")
+
+extern void print_ln(void);
+extern void print_char(int s);
+extern void print(int s);
+extern void print_nl(str_number s);
+extern void print_nlp(void);
+extern void slow_print(int s);
+extern void print_banner(const char *, int, int);
+extern void log_banner(const char *, int, int);
+extern void print_version_banner(void);
+extern void print_esc(str_number s);
+extern void print_the_digs(eight_bits k);
+extern void print_int(longinteger n);
+extern void print_two(int n);
+extern void print_hex(int n);
+extern void print_roman_int(int n);
+extern void print_current_string(void);
+
+# define print_font_name(A) tprint(font_name(A))
+
+extern void print_cs(int p);
+extern void sprint_cs(pointer p);
+extern void tprint(const char *s);
+extern void tprint_nl(const char *s);
+extern void tprint_esc(const char *s);
+
+extern void prompt_input(const char *s);
+
+
+# define single_letter(A) \
+ ((str_length(A)==1)|| \
+ ((str_length(A)==4)&&*(str_string((A)))>=0xF0)|| \
+ ((str_length(A)==3)&&*(str_string((A)))>=0xE0)|| \
+ ((str_length(A)==2)&&*(str_string((A)))>=0xC0))
+
+# define is_active_cs(a) (str_length(a)>3 && \
+ (*str_string(a) == 0xEF) && \
+ (*(str_string(a)+1) == 0xBF) && \
+ (*(str_string(a)+2) == 0xBF))
+
+
+# define active_cs_value(A) pool_to_unichar((str_string((A))+3))
+
+extern void print_glue(scaled d, int order, const char *s); /* prints a glue component */
+extern void print_spec(int p, const char *s); /* prints a glue specification */
+
+extern int font_in_short_display; /* an internal font number */
+extern void print_font_identifier(internal_font_number f);
+extern void short_display(int p); /* prints highlights of list |p| */
+extern void print_font_and_char(int p); /* prints |char_node| data */
+extern void print_mark(int p); /* prints token list data in braces */
+extern void print_rule_dimen(scaled d); /* prints dimension in rule node */
+extern int depth_threshold; /* maximum nesting depth in box displays */
+extern int breadth_max; /* maximum number of items shown at the same list level */
+extern void show_box(halfword p);
+extern void short_display_n(int p, int m); /* prints highlights of list |p| */
+
+extern void print_csnames(int hstart, int hfinish);
+extern void print_file_line(void);
+
+extern void begin_diagnostic(void);
+extern void end_diagnostic(boolean blank_line);
+extern int global_old_setting;
+
+
+#endif