зеркало из https://github.com/github/ruby.git
76 строки
1.7 KiB
C
76 строки
1.7 KiB
C
#include "internal.h"
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#include "vm_core.h"
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#include "iseq.h"
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#include "builtin.h"
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#include "builtin_binary.inc"
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#ifndef BUILTIN_BINARY_SIZE
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#define BUILTIN_LOADED(feature_name, iseq) ((void)0)
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#include "mini_builtin.c"
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#else
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static const unsigned char *
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bin4feature(const struct builtin_binary *bb, const char *feature, size_t *psize)
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{
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*psize = bb->bin_size;
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return strcmp(bb->feature, feature) ? NULL : bb->bin;
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}
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static const unsigned char*
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builtin_lookup(const char *feature, size_t *psize)
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{
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static int index = 0;
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const unsigned char *bin = bin4feature(&builtin_binary[index++], feature, psize);
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// usually, `builtin_binary` order is loading order at miniruby.
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for (const struct builtin_binary *bb = &builtin_binary[0]; bb->feature &&! bin; bb++) {
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bin = bin4feature(bb++, feature, psize);
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}
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return bin;
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}
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void
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rb_load_with_builtin_functions(const char *feature_name, const struct rb_builtin_function *table)
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{
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// search binary
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size_t size;
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const unsigned char *bin = builtin_lookup(feature_name, &size);
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if (! bin) {
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rb_bug("builtin_lookup: can not find %s", feature_name);
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}
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// load binary
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rb_vm_t *vm = GET_VM();
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if (vm->builtin_function_table != NULL) rb_bug("vm->builtin_function_table should be NULL.");
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vm->builtin_function_table = table;
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const rb_iseq_t *iseq = rb_iseq_ibf_load_bytes((const char *)bin, size);
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ASSUME(iseq); // otherwise an exception should have raised
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vm->builtin_function_table = NULL;
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// exec
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rb_iseq_eval(rb_iseq_check(iseq));
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}
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#endif
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void
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rb_free_loaded_builtin_table(void)
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{
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// do nothing
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}
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void
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Init_builtin(void)
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{
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// nothing
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}
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void
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Init_builtin_features(void)
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{
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rb_load_with_builtin_functions("gem_prelude", NULL);
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}
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