add pic_void macro
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631926aa96
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c57f8a5016
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@ -127,6 +127,13 @@ void pic_gc_run(pic_state *);
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pic_value pic_gc_protect(pic_state *, pic_value);
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size_t pic_gc_arena_preserve(pic_state *);
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void pic_gc_arena_restore(pic_state *, size_t);
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#define pic_void(exec) \
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pic_void_(GENSYM(ai), exec)
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#define pic_void_(ai,exec) do { \
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size_t ai = pic_gc_arena_preserve(pic); \
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exec; \
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pic_gc_arena_restore(pic, ai); \
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} while (0)
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pic_state *pic_open(int argc, char *argv[], char **envp);
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void pic_close(pic_state *);
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@ -204,11 +204,7 @@ macroexpand_deflibrary(pic_state *pic, pic_value expr)
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pic_in_library(pic, pic_cadr(pic, expr));
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pic_for_each (v, pic_cddr(pic, expr)) {
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size_t ai = pic_gc_arena_preserve(pic);
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pic_eval(pic, v);
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pic_gc_arena_restore(pic, ai);
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pic_void(pic_eval(pic, v));
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}
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pic_in_library(pic, prev->name);
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