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psyced/world/net/include/psyc.h

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#ifndef PSYC_H
#define PSYC_H
/* psyc.h: Unlike other files in this directory, this file is licensed under
* the MIT license as documented in detail in ../psyc/LICENSE.
*/
#ifndef PSYC_LIST_SIZE_LIMIT
# define PSYC_LIST_SIZE_LIMIT 404
#endif
#ifdef SPYC
# define C_GLYPH_PACKET_DELIMITER '|'
# define S_GLYPH_PACKET_DELIMITER "|"
#else
# define C_GLYPH_PACKET_DELIMITER '.'
# define S_GLYPH_PACKET_DELIMITER "."
# define C_GLYPH_NEW_PACKET_DELIMITER '|'
# define S_GLYPH_NEW_PACKET_DELIMITER "|"
#endif
#define C_GLYPH_SEPARATOR_KEYWORD '_'
#define S_GLYPH_SEPARATOR_KEYWORD "_"
#define C_GLYPH_MODIFIER_SET ':'
#define S_GLYPH_MODIFIER_SET ":"
#define C_GLYPH_MODIFIER_ASSIGN '='
#define S_GLYPH_MODIFIER_ASSIGN "="
#define C_GLYPH_MODIFIER_AUGMENT '+'
#define S_GLYPH_MODIFIER_AUGMENT "+"
#define C_GLYPH_MODIFIER_DIMINISH '-'
#define S_GLYPH_MODIFIER_DIMINISH "-"
#define C_GLYPH_MODIFIER_QUERY '?'
#define S_GLYPH_MODIFIER_QUERY "?"
#define PSYC_ROUTING 1
#define PSYC_ROUTING_MERGE 2
#define PSYC_ROUTING_RENDER 4
// I thought about changing all occurrencies of these chars in parse.i
// but it only makes parse.i less readable and changes of these
// modifiers are just not to be expected. It is however recommended
// to use these macros if you look at the psyc syntax anywhere outside
// the core psyc parser, like when splitting methods by '_'.
//
// here are the macros to implement method inheritance in a loop around
// a switch (see http://about.psyc.eu/Inheritance and "try and slice")
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// changes for try/slice are so profound in some parts, that running with it
// disabled is actually more "experimental" and flaky. PSYC_TRY() is also
// used for varnames in spyc/dispatch.i, so it's not just the methods here.
#ifndef _flag_disable_inheritance_method
# if DEBUG > 1
# define PSYC_SLICE_DEBUG \
log_file("SLICE", "%s:%O slicing %O in %O\n", \
__FILE__, __LINE__, family, ME);
# else
# define PSYC_SLICE_DEBUG
# endif
# define PSYC_TRY(mc) \
family = mc; \
while (family) { \
glyph = -4; \
switch(family)
# define PSYC_SLICE_AND_REPEAT \
default: \
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PSYC_SLICE_DEBUG \
glyph = rmember(family, C_GLYPH_SEPARATOR_KEYWORD); \
if (glyph > 1) family = family[.. glyph-1]; \
else family = 0; \
} \
if (glyph == -4) family = 0; // got here by break;
#else
# define PSYC_TRY(mc) switch(mc)
# define PSYC_SLICE_AND_REPEAT
#endif
#endif /* PSYC_H */