2014-08-25 00:38:09 -04:00
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/**
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* See Copyright Notice in picrin.h
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*/
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#include "picrin.h"
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2015-01-26 00:31:36 -05:00
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static void
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pic_init_features(pic_state *pic)
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{
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pic_add_feature(pic, "picrin");
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2015-06-29 21:06:11 -04:00
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2015-07-19 13:19:41 -04:00
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#if __STDC_IEC_559__
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2015-01-26 00:31:36 -05:00
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pic_add_feature(pic, "ieee-float");
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2015-06-29 21:06:11 -04:00
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#endif
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2015-01-26 00:31:36 -05:00
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#if _POSIX_SOURCE
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pic_add_feature(pic, "posix");
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#endif
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#if _WIN32
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pic_add_feature(pic, "windows");
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#endif
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#if __unix__
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pic_add_feature(pic, "unix");
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#endif
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#if __gnu_linux__
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pic_add_feature(pic, "gnu-linux");
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#endif
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#if __FreeBSD__
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pic_add_feature(pic, "freebsd");
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#endif
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#if __i386__
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pic_add_feature(pic, "i386");
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#elif __x86_64__
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pic_add_feature(pic, "x86-64");
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#elif __ppc__
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pic_add_feature(pic, "ppc");
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#elif __sparc__
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pic_add_feature(pic, "sparc");
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#endif
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#if __ILP32__
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pic_add_feature(pic, "ilp32");
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#elif __LP64__
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pic_add_feature(pic, "lp64");
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#endif
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#if defined(__BYTE_ORDER__)
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# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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pic_add_feature(pic, "little-endian");
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# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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pic_add_feature(pic, "big-endian");
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# endif
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#else
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# if __LITTLE_ENDIAN__
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pic_add_feature(pic, "little-endian");
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# elif __BIG_ENDIAN__
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pic_add_feature(pic, "big-endian");
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# endif
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#endif
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}
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2016-02-09 11:38:05 -05:00
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void
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pic_add_feature(pic_state *pic, const char *feature)
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{
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pic_push(pic, pic_obj_value(pic_intern_cstr(pic, feature)), pic->features);
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}
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2015-06-16 11:13:00 -04:00
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static pic_value
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pic_features(pic_state *pic)
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{
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pic_get_args(pic, "");
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return pic->features;
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}
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2016-02-05 14:07:37 -05:00
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#define import_builtin_syntax(name) do { \
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pic_sym *nick, *real; \
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2016-02-07 14:10:22 -05:00
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nick = pic_intern_lit(pic, "builtin:" name); \
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real = pic_intern_lit(pic, name); \
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2016-02-06 09:15:53 -05:00
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pic_put_identifier(pic, (pic_id *)nick, real, pic->lib->env); \
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2016-02-05 14:07:37 -05:00
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} while (0)
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#define declare_vm_procedure(name) do { \
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2016-02-06 09:15:53 -05:00
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pic_sym *sym; \
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2016-02-07 14:10:22 -05:00
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sym = pic_intern_lit(pic, name); \
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2016-02-06 09:15:53 -05:00
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pic_put_identifier(pic, (pic_id *)sym, sym, pic->lib->env); \
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2016-02-05 14:07:37 -05:00
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} while (0)
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2015-07-04 05:48:48 -04:00
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2016-02-09 11:38:05 -05:00
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void pic_init_bool(pic_state *);
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void pic_init_pair(pic_state *);
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void pic_init_port(pic_state *);
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void pic_init_number(pic_state *);
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void pic_init_proc(pic_state *);
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void pic_init_symbol(pic_state *);
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void pic_init_vector(pic_state *);
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void pic_init_blob(pic_state *);
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void pic_init_cont(pic_state *);
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void pic_init_char(pic_state *);
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void pic_init_error(pic_state *);
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void pic_init_str(pic_state *);
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void pic_init_var(pic_state *);
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void pic_init_write(pic_state *);
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void pic_init_read(pic_state *);
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void pic_init_dict(pic_state *);
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void pic_init_record(pic_state *);
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void pic_init_eval(pic_state *);
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void pic_init_lib(pic_state *);
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void pic_init_reg(pic_state *);
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extern const char pic_boot[][80];
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2015-01-26 00:31:36 -05:00
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static void
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pic_init_core(pic_state *pic)
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{
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2015-08-03 19:40:23 -04:00
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struct pic_box *pic_vm_gref_slot(pic_state *, pic_sym *);
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2015-06-09 07:20:56 -04:00
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2015-01-26 00:31:36 -05:00
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pic_init_features(pic);
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pic_deflibrary (pic, "(picrin base)") {
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2015-05-27 10:08:47 -04:00
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size_t ai = pic_gc_arena_preserve(pic);
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2016-02-05 14:07:37 -05:00
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#define DONE pic_gc_arena_restore(pic, ai);
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2015-06-16 11:13:00 -04:00
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2016-02-05 14:07:37 -05:00
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import_builtin_syntax("define");
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import_builtin_syntax("set!");
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import_builtin_syntax("quote");
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import_builtin_syntax("lambda");
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import_builtin_syntax("if");
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import_builtin_syntax("begin");
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import_builtin_syntax("define-macro");
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declare_vm_procedure("cons");
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declare_vm_procedure("car");
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declare_vm_procedure("cdr");
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declare_vm_procedure("null?");
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declare_vm_procedure("symbol?");
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declare_vm_procedure("pair?");
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declare_vm_procedure("+");
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declare_vm_procedure("-");
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declare_vm_procedure("*");
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declare_vm_procedure("/");
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declare_vm_procedure("=");
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declare_vm_procedure("<");
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declare_vm_procedure(">");
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declare_vm_procedure("<=");
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declare_vm_procedure(">=");
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declare_vm_procedure("not");
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DONE;
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2015-07-01 17:17:27 -04:00
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2015-01-26 00:31:36 -05:00
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pic_init_bool(pic); DONE;
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pic_init_pair(pic); DONE;
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pic_init_port(pic); DONE;
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pic_init_number(pic); DONE;
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pic_init_proc(pic); DONE;
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pic_init_symbol(pic); DONE;
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pic_init_vector(pic); DONE;
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pic_init_blob(pic); DONE;
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pic_init_cont(pic); DONE;
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pic_init_char(pic); DONE;
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pic_init_error(pic); DONE;
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pic_init_str(pic); DONE;
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pic_init_var(pic); DONE;
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pic_init_write(pic); DONE;
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pic_init_read(pic); DONE;
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pic_init_dict(pic); DONE;
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pic_init_record(pic); DONE;
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pic_init_eval(pic); DONE;
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pic_init_lib(pic); DONE;
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2015-06-09 05:50:46 -04:00
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pic_init_reg(pic); DONE;
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2015-01-26 00:31:36 -05:00
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2016-02-05 14:07:37 -05:00
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pic_defun(pic, "features", pic_features);
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2015-07-04 05:48:48 -04:00
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2015-06-27 12:52:15 -04:00
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pic_try {
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pic_load_cstr(pic, &pic_boot[0][0]);
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}
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pic_catch {
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pic_print_backtrace(pic, xstdout);
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pic_panic(pic, "");
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}
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2015-01-26 00:31:36 -05:00
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}
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}
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2014-08-25 00:38:09 -04:00
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pic_state *
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2015-06-25 13:09:06 -04:00
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pic_open(pic_allocf allocf, void *userdata)
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2014-08-25 00:38:09 -04:00
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{
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2014-09-16 02:06:45 -04:00
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struct pic_port *pic_make_standard_port(pic_state *, xFILE *, short);
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2014-08-25 00:38:09 -04:00
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char t;
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pic_state *pic;
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size_t ai;
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2015-08-10 08:13:23 -04:00
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pic = allocf(userdata, NULL, sizeof(pic_state));
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2014-08-25 00:38:09 -04:00
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2015-05-27 10:08:47 -04:00
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if (! pic) {
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goto EXIT_PIC;
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}
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2015-05-27 13:12:26 -04:00
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/* allocator */
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pic->allocf = allocf;
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2015-06-25 13:09:06 -04:00
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/* user data */
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pic->userdata = userdata;
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2015-01-18 22:14:29 -05:00
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/* turn off GC */
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pic->gc_enable = false;
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2015-06-22 14:02:12 -04:00
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/* continuation chain */
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pic->cc = NULL;
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2015-06-22 14:12:17 -04:00
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pic->ccnt = 0;
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2015-06-01 16:58:47 -04:00
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2014-08-25 00:38:09 -04:00
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/* root block */
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2015-06-08 08:04:04 -04:00
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pic->cp = NULL;
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2014-08-25 00:38:09 -04:00
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/* prepare VM stack */
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2015-08-10 08:13:23 -04:00
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pic->stbase = pic->sp = allocf(userdata, NULL, PIC_STACK_SIZE * sizeof(pic_value));
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2014-08-25 00:38:09 -04:00
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pic->stend = pic->stbase + PIC_STACK_SIZE;
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2015-05-27 10:08:47 -04:00
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if (! pic->sp) {
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goto EXIT_SP;
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}
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2014-08-25 00:38:09 -04:00
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/* callinfo */
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2015-08-10 08:13:23 -04:00
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pic->cibase = pic->ci = allocf(userdata, NULL, PIC_STACK_SIZE * sizeof(pic_callinfo));
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2014-08-25 00:38:09 -04:00
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pic->ciend = pic->cibase + PIC_STACK_SIZE;
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2015-05-27 10:08:47 -04:00
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if (! pic->ci) {
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goto EXIT_CI;
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}
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2014-09-18 01:50:01 -04:00
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/* exception handler */
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2015-08-10 08:13:23 -04:00
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pic->xpbase = pic->xp = allocf(userdata, NULL, PIC_RESCUE_SIZE * sizeof(struct pic_proc *));
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2014-09-18 01:50:01 -04:00
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pic->xpend = pic->xpbase + PIC_RESCUE_SIZE;
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2015-05-27 10:08:47 -04:00
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if (! pic->xp) {
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goto EXIT_XP;
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}
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/* GC arena */
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2015-08-10 08:13:23 -04:00
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pic->arena = allocf(userdata, NULL, PIC_ARENA_SIZE * sizeof(struct pic_object *));
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2015-05-27 10:08:47 -04:00
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pic->arena_size = PIC_ARENA_SIZE;
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pic->arena_idx = 0;
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if (! pic->arena) {
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goto EXIT_ARENA;
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}
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2014-08-25 00:38:09 -04:00
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/* memory heap */
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2015-01-22 03:08:41 -05:00
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pic->heap = pic_heap_open(pic);
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2014-08-25 00:38:09 -04:00
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/* symbol table */
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2015-06-24 18:05:41 -04:00
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kh_init(s, &pic->syms);
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2014-08-25 00:38:09 -04:00
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2015-06-09 13:16:38 -04:00
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/* unique symbol count */
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pic->ucnt = 0;
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2014-08-25 00:38:09 -04:00
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/* global variables */
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2015-01-18 07:25:34 -05:00
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pic->globals = NULL;
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2014-08-25 00:38:09 -04:00
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/* macros */
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2015-01-18 07:25:34 -05:00
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pic->macros = NULL;
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2014-08-25 00:38:09 -04:00
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2014-09-09 12:41:10 -04:00
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/* features */
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pic->features = pic_nil_value();
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2014-08-25 00:38:09 -04:00
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/* libraries */
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pic->libs = pic_nil_value();
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pic->lib = NULL;
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2016-02-04 10:30:11 -05:00
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/* ireps */
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pic->ireps.next = &pic->ireps;
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pic->ireps.prev = &pic->ireps;
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2014-09-18 01:50:01 -04:00
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/* raised error object */
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2015-06-09 03:02:23 -04:00
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pic->err = pic_invalid_value();
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2014-08-25 00:38:09 -04:00
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2015-06-18 14:06:57 -04:00
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/* file pool */
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2015-06-18 16:00:36 -04:00
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memset(pic->files, 0, sizeof pic->files);
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2015-06-18 14:06:57 -04:00
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2015-06-08 09:28:17 -04:00
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/* parameter table */
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pic->ptable = pic_nil_value();
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2014-08-25 00:38:09 -04:00
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/* native stack marker */
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pic->native_stack_start = &t;
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2015-01-18 22:14:29 -05:00
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ai = pic_gc_arena_preserve(pic);
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2016-02-07 14:10:22 -05:00
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#define S(slot,name) pic->slot = pic_intern_lit(pic, name)
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2014-08-25 00:38:09 -04:00
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2016-02-05 14:07:37 -05:00
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S(sDEFINE, "define");
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S(sDEFINE_MACRO, "define-macro");
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S(sLAMBDA, "lambda");
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S(sIF, "if");
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S(sBEGIN, "begin");
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S(sSETBANG, "set!");
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2014-09-16 02:02:47 -04:00
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S(sQUOTE, "quote");
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S(sQUASIQUOTE, "quasiquote");
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S(sUNQUOTE, "unquote");
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S(sUNQUOTE_SPLICING, "unquote-splicing");
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2015-06-10 02:18:03 -04:00
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S(sSYNTAX_QUOTE, "syntax-quote");
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S(sSYNTAX_QUASIQUOTE, "syntax-quasiquote");
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S(sSYNTAX_UNQUOTE, "syntax-unquote");
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S(sSYNTAX_UNQUOTE_SPLICING, "syntax-unquote-splicing");
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2014-09-16 02:02:47 -04:00
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S(sIMPORT, "import");
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S(sEXPORT, "export");
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S(sDEFINE_LIBRARY, "define-library");
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S(sCOND_EXPAND, "cond-expand");
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2015-01-19 00:35:42 -05:00
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2016-02-05 14:07:37 -05:00
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S(sCONS, "cons");
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S(sCAR, "car");
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S(sCDR, "cdr");
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|
S(sNILP, "null?");
|
|
|
|
S(sSYMBOLP, "symbol?");
|
|
|
|
S(sPAIRP, "pair?");
|
|
|
|
S(sADD, "+");
|
|
|
|
S(sSUB, "-");
|
|
|
|
S(sMUL, "*");
|
|
|
|
S(sDIV, "/");
|
|
|
|
S(sEQ, "=");
|
|
|
|
S(sLT, "<");
|
|
|
|
S(sLE, "<=");
|
|
|
|
S(sGT, ">");
|
|
|
|
S(sGE, ">=");
|
|
|
|
S(sNOT, "not");
|
2014-08-25 00:38:09 -04:00
|
|
|
|
|
|
|
pic_gc_arena_restore(pic, ai);
|
|
|
|
|
2015-01-18 07:25:34 -05:00
|
|
|
/* root tables */
|
2015-08-04 20:36:32 -04:00
|
|
|
pic->globals = pic_make_reg(pic);
|
2015-08-04 20:42:17 -04:00
|
|
|
pic->macros = pic_make_reg(pic);
|
2015-01-18 07:25:34 -05:00
|
|
|
|
2014-08-25 00:38:09 -04:00
|
|
|
/* root block */
|
2015-06-22 04:06:13 -04:00
|
|
|
pic->cp = (pic_checkpoint *)pic_obj_alloc(pic, sizeof(pic_checkpoint), PIC_TT_CP);
|
2015-06-08 08:04:04 -04:00
|
|
|
pic->cp->prev = NULL;
|
|
|
|
pic->cp->depth = 0;
|
|
|
|
pic->cp->in = pic->cp->out = NULL;
|
2014-08-25 00:38:09 -04:00
|
|
|
|
2015-01-18 22:14:29 -05:00
|
|
|
/* reader */
|
2015-06-18 14:14:55 -04:00
|
|
|
pic_reader_init(pic);
|
2014-09-01 00:01:17 -04:00
|
|
|
|
2015-06-08 09:28:17 -04:00
|
|
|
/* parameter table */
|
2015-06-24 16:56:47 -04:00
|
|
|
pic->ptable = pic_cons(pic, pic_obj_value(pic_make_reg(pic)), pic->ptable);
|
2015-06-08 09:28:17 -04:00
|
|
|
|
2014-09-01 00:01:17 -04:00
|
|
|
/* standard libraries */
|
2015-05-30 11:25:40 -04:00
|
|
|
pic->PICRIN_BASE = pic_make_library(pic, pic_read_cstr(pic, "(picrin base)"));
|
|
|
|
pic->PICRIN_USER = pic_make_library(pic, pic_read_cstr(pic, "(picrin user)"));
|
2014-09-01 00:01:17 -04:00
|
|
|
pic->lib = pic->PICRIN_USER;
|
2015-01-22 04:06:10 -05:00
|
|
|
pic->prev_lib = NULL;
|
2014-08-25 00:38:09 -04:00
|
|
|
|
2015-01-18 22:14:29 -05:00
|
|
|
pic_gc_arena_restore(pic, ai);
|
|
|
|
|
|
|
|
/* turn on GC */
|
|
|
|
pic->gc_enable = true;
|
|
|
|
|
2014-09-01 00:01:17 -04:00
|
|
|
pic_init_core(pic);
|
2014-08-25 00:38:09 -04:00
|
|
|
|
2015-05-27 10:08:47 -04:00
|
|
|
pic_gc_arena_restore(pic, ai);
|
|
|
|
|
2014-08-25 00:38:09 -04:00
|
|
|
return pic;
|
2015-05-27 10:08:47 -04:00
|
|
|
|
|
|
|
EXIT_ARENA:
|
2015-08-10 08:13:23 -04:00
|
|
|
allocf(userdata, pic->xp, 0);
|
2015-05-27 10:08:47 -04:00
|
|
|
EXIT_XP:
|
2015-08-10 08:13:23 -04:00
|
|
|
allocf(userdata, pic->ci, 0);
|
2015-05-27 10:08:47 -04:00
|
|
|
EXIT_CI:
|
2015-08-10 08:13:23 -04:00
|
|
|
allocf(userdata, pic->sp, 0);
|
2015-05-27 10:08:47 -04:00
|
|
|
EXIT_SP:
|
2015-08-10 08:13:23 -04:00
|
|
|
allocf(userdata, pic, 0);
|
2015-05-27 10:08:47 -04:00
|
|
|
EXIT_PIC:
|
|
|
|
return NULL;
|
2014-08-25 00:38:09 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
pic_close(pic_state *pic)
|
|
|
|
{
|
2015-06-24 18:05:41 -04:00
|
|
|
khash_t(s) *h = &pic->syms;
|
2015-05-27 13:12:26 -04:00
|
|
|
pic_allocf allocf = pic->allocf;
|
2014-08-25 00:38:09 -04:00
|
|
|
|
|
|
|
/* clear out root objects */
|
|
|
|
pic->sp = pic->stbase;
|
|
|
|
pic->ci = pic->cibase;
|
2014-09-18 01:50:01 -04:00
|
|
|
pic->xp = pic->xpbase;
|
2014-08-25 00:38:09 -04:00
|
|
|
pic->arena_idx = 0;
|
2015-06-09 03:02:23 -04:00
|
|
|
pic->err = pic_invalid_value();
|
2015-01-18 07:25:34 -05:00
|
|
|
pic->globals = NULL;
|
|
|
|
pic->macros = NULL;
|
2014-09-09 12:41:10 -04:00
|
|
|
pic->features = pic_nil_value();
|
2014-08-25 00:38:09 -04:00
|
|
|
pic->libs = pic_nil_value();
|
|
|
|
|
|
|
|
/* free all heap objects */
|
|
|
|
pic_gc_run(pic);
|
|
|
|
|
2016-02-04 10:30:11 -05:00
|
|
|
#if 0
|
|
|
|
{
|
|
|
|
/* FIXME */
|
|
|
|
int i = 0;
|
|
|
|
struct pic_list *list;
|
|
|
|
for (list = pic->ireps.next; list != &pic->ireps; list = list->next) {
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
printf("%d\n", i);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2015-06-10 09:37:05 -04:00
|
|
|
/* flush all xfiles */
|
2015-06-18 13:05:56 -04:00
|
|
|
xfflush(pic, NULL);
|
2015-06-10 09:37:05 -04:00
|
|
|
|
2014-08-25 00:38:09 -04:00
|
|
|
/* free heaps */
|
2015-01-22 03:08:41 -05:00
|
|
|
pic_heap_close(pic, pic->heap);
|
2014-08-25 00:38:09 -04:00
|
|
|
|
2015-01-22 03:18:38 -05:00
|
|
|
/* free reader struct */
|
2015-06-18 14:14:55 -04:00
|
|
|
pic_reader_destroy(pic);
|
2015-01-22 03:18:38 -05:00
|
|
|
|
2014-08-25 00:38:09 -04:00
|
|
|
/* free runtime context */
|
2015-08-10 08:13:23 -04:00
|
|
|
allocf(pic->userdata, pic->stbase, 0);
|
|
|
|
allocf(pic->userdata, pic->cibase, 0);
|
|
|
|
allocf(pic->userdata, pic->xpbase, 0);
|
2014-08-25 00:38:09 -04:00
|
|
|
|
|
|
|
/* free global stacks */
|
2015-06-24 18:05:41 -04:00
|
|
|
kh_destroy(s, h);
|
2014-08-25 00:38:09 -04:00
|
|
|
|
|
|
|
/* free GC arena */
|
2015-08-10 08:13:23 -04:00
|
|
|
allocf(pic->userdata, pic->arena, 0);
|
2014-08-25 00:38:09 -04:00
|
|
|
|
2015-08-10 08:13:23 -04:00
|
|
|
allocf(pic->userdata, pic, 0);
|
2014-08-25 00:38:09 -04:00
|
|
|
}
|