## File: conditional.h

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texlive-bin 2018.20181218.49446-1
 `1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677` ``````/* conditional.h Copyright 2009 Taco Hoekwater 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 . */ #ifndef CONDITIONAL_H # define CONDITIONAL_H # define unless_code 32 /* amount added for `\.{\\unless}' prefix */ typedef enum { if_char_code = 0, /* \.{\\if} */ if_cat_code = 1, /* \.{\\ifcat} */ if_int_code = 2, /* \.{\\ifnum} */ if_dim_code = 3, /* \.{\\ifdim} */ if_odd_code = 4, /* \.{\\ifodd} */ if_vmode_code = 5, /* \.{\\ifvmode} */ if_hmode_code = 6, /* \.{\\ifhmode} */ if_mmode_code = 7, /* \.{\\ifmmode} */ if_inner_code = 8, /* \.{\\ifinner} */ if_void_code = 9, /* \.{\\ifvoid} */ if_hbox_code = 10, /* \.{\\ifhbox} */ if_vbox_code = 11, /* \.{\\ifvbox} */ ifx_code = 12, /* \.{\\ifx} */ if_eof_code = 13, /* \.{\\ifeof} */ if_true_code = 14, /* \.{\\iftrue} */ if_false_code = 15, /* \.{\\iffalse} */ if_case_code = 16, /* \.{\\ifcase} */ if_def_code = 17, /* \.{\\ifdefined} */ if_cs_code = 18, /* \.{\\ifcsname} */ if_font_char_code = 19, /* \.{\\iffontchar} */ if_in_csname_code = 20, /* \.{\\ifincsname} */ if_primitive_code = 21, /* \.{\\ifprimitive} */ if_abs_num_code = 22, /* \.{\\ifabsnum} */ if_abs_dim_code = 23, /* \.{\\ifabsdim} */ } if_type_codes; # define if_limit_subtype(A) subtype((A)+1) # define if_limit_type(A) type((A)+1) # define if_line_field(A) vlink((A)+1) typedef enum { if_code = 1, /* \.{\\if...} */ fi_code = 2, /* \.{\\fi} */ else_code = 3, /* \.{\\else} */ or_code = 4, /* \.{\\or} */ } else_type_codes; extern halfword cond_ptr; /* top of the condition stack */ extern int if_limit; /* upper bound on |fi_or_else| codes */ extern int cur_if; /* type of conditional being worked on */ extern int if_line; /* line where that conditional began */ extern int skip_line; /* skipping began here */ extern void pass_text(void); extern void push_condition_stack(void); extern void pop_condition_stack(void); extern void change_if_limit(int l, halfword p); extern void conditional(void); #endif ``````