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