зеркало из https://github.com/github/ruby.git
98 строки
2.8 KiB
C
98 строки
2.8 KiB
C
#include "internal.h"
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#include "internal/array.h"
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#include "iseq.h"
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#include "vm_core.h"
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#include "builtin.h"
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#include "miniprelude.c"
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static VALUE
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prelude_ast_value(VALUE name, VALUE code, int line)
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{
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rb_ast_t *ast;
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VALUE ast_value = rb_parser_compile_string_path(rb_parser_new(), name, code, line);
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ast = rb_ruby_ast_data_get(ast_value);
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if (!ast || !ast->body.root) {
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if (ast) rb_ast_dispose(ast);
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rb_exc_raise(rb_errinfo());
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}
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return ast_value;
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}
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static void
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pm_prelude_load(pm_parse_result_t *result, VALUE name, VALUE code, int line)
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{
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pm_options_line_set(&result->options, line);
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VALUE error = pm_parse_string(result, code, name, NULL);
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if (!NIL_P(error)) {
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pm_parse_result_free(result);
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rb_exc_raise(error);
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}
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}
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static const rb_iseq_t *
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builtin_iseq_load(const char *feature_name, const struct rb_builtin_function *table)
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{
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VALUE name_str = 0;
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int start_line;
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const rb_iseq_t *iseq;
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VALUE code = rb_builtin_find(feature_name, &name_str, &start_line);
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if (NIL_P(code)) {
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rb_fatal("builtin_iseq_load: can not find %s; "
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"probably miniprelude.c is out of date",
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feature_name);
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}
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rb_vm_t *vm = GET_VM();
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static const rb_compile_option_t optimization = {
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.inline_const_cache = TRUE,
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.peephole_optimization = TRUE,
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.tailcall_optimization = FALSE,
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.specialized_instruction = TRUE,
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.operands_unification = TRUE,
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.instructions_unification = TRUE,
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.frozen_string_literal = TRUE,
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.debug_frozen_string_literal = FALSE,
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.coverage_enabled = FALSE,
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.debug_level = 0,
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};
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if (*rb_ruby_prism_ptr()) {
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pm_parse_result_t result = { 0 };
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pm_prelude_load(&result, name_str, code, start_line);
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vm->builtin_function_table = table;
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iseq = pm_iseq_new_with_opt(&result.node, name_str, name_str, Qnil, 0, NULL, 0, ISEQ_TYPE_TOP, &optimization);
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vm->builtin_function_table = NULL;
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pm_parse_result_free(&result);
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}
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else {
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VALUE ast_value = prelude_ast_value(name_str, code, start_line);
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rb_ast_t *ast = rb_ruby_ast_data_get(ast_value);
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vm->builtin_function_table = table;
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iseq = rb_iseq_new_with_opt(ast_value, name_str, name_str, Qnil, 0, NULL, 0, ISEQ_TYPE_TOP, &optimization, Qnil);
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vm->builtin_function_table = NULL;
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rb_ast_dispose(ast);
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}
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// for debug
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if (0 && strcmp("prelude", feature_name) == 0) {
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rb_io_write(rb_stdout, rb_iseq_disasm((const rb_iseq_t *)iseq));
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}
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BUILTIN_LOADED(feature_name, iseq);
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return iseq;
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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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const rb_iseq_t *iseq = builtin_iseq_load(feature_name, table);
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rb_iseq_eval(iseq);
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}
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