1 | #include "mruby.h"
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2 | #include "mruby/array.h"
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3 | #include "mruby/hash.h"
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4 | #include "mruby/variable.h"
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5 | #include "mruby/proc.h"
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6 | #include "mruby/class.h"
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7 | #include "mruby/string.h"
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8 |
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9 | typedef enum {
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10 | NOEX_PUBLIC = 0x00,
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11 | NOEX_NOSUPER = 0x01,
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12 | NOEX_PRIVATE = 0x02,
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13 | NOEX_PROTECTED = 0x04,
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14 | NOEX_MASK = 0x06,
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15 | NOEX_BASIC = 0x08,
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16 | NOEX_UNDEF = NOEX_NOSUPER,
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17 | NOEX_MODFUNC = 0x12,
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18 | NOEX_SUPER = 0x20,
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19 | NOEX_VCALL = 0x40,
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20 | NOEX_RESPONDS = 0x80
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21 | } mrb_method_flag_t;
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22 |
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23 | static mrb_value
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24 | mrb_f_nil(mrb_state *mrb, mrb_value cv)
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25 | {
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26 | return mrb_nil_value();
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27 | }
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28 |
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29 | /* 15.3.1.3.20 */
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30 | /*
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31 | * call-seq:
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32 | * obj.instance_variable_defined?(symbol) -> true or false
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33 | *
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34 | * Returns <code>true</code> if the given instance variable is
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35 | * defined in <i>obj</i>.
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36 | *
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37 | * class Fred
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38 | * def initialize(p1, p2)
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39 | * @a, @b = p1, p2
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40 | * end
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41 | * end
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42 | * fred = Fred.new('cat', 99)
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43 | * fred.instance_variable_defined?(:@a) #=> true
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44 | * fred.instance_variable_defined?("@b") #=> true
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45 | * fred.instance_variable_defined?("@c") #=> false
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46 | */
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47 | static mrb_value
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48 | mrb_obj_ivar_defined(mrb_state *mrb, mrb_value self)
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49 | {
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50 | mrb_sym sym;
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51 |
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52 | mrb_get_args(mrb, "n", &sym);
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53 | mrb_iv_name_sym_check(mrb, sym);
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54 | return mrb_bool_value(mrb_iv_defined(mrb, self, sym));
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55 | }
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56 |
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57 | /* 15.3.1.3.21 */
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58 | /*
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59 | * call-seq:
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60 | * obj.instance_variable_get(symbol) -> obj
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61 | *
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62 | * Returns the value of the given instance variable, or nil if the
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63 | * instance variable is not set. The <code>@</code> part of the
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64 | * variable name should be included for regular instance
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65 | * variables. Throws a <code>NameError</code> exception if the
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66 | * supplied symbol is not valid as an instance variable name.
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67 | *
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68 | * class Fred
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69 | * def initialize(p1, p2)
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70 | * @a, @b = p1, p2
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71 | * end
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72 | * end
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73 | * fred = Fred.new('cat', 99)
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74 | * fred.instance_variable_get(:@a) #=> "cat"
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75 | * fred.instance_variable_get("@b") #=> 99
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76 | */
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77 | static mrb_value
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78 | mrb_obj_ivar_get(mrb_state *mrb, mrb_value self)
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79 | {
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80 | mrb_sym iv_name;
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81 |
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82 | mrb_get_args(mrb, "n", &iv_name);
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83 | mrb_iv_name_sym_check(mrb, iv_name);
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84 | return mrb_iv_get(mrb, self, iv_name);
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85 | }
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86 |
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87 | /* 15.3.1.3.22 */
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88 | /*
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89 | * call-seq:
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90 | * obj.instance_variable_set(symbol, obj) -> obj
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91 | *
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92 | * Sets the instance variable names by <i>symbol</i> to
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93 | * <i>object</i>, thereby frustrating the efforts of the class's
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94 | * author to attempt to provide proper encapsulation. The variable
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95 | * did not have to exist prior to this call.
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96 | *
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97 | * class Fred
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98 | * def initialize(p1, p2)
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99 | * @a, @b = p1, p2
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100 | * end
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101 | * end
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102 | * fred = Fred.new('cat', 99)
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103 | * fred.instance_variable_set(:@a, 'dog') #=> "dog"
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104 | * fred.instance_variable_set(:@c, 'cat') #=> "cat"
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105 | * fred.inspect #=> "#<Fred:0x401b3da8 @a=\"dog\", @b=99, @c=\"cat\">"
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106 | */
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107 | static mrb_value
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108 | mrb_obj_ivar_set(mrb_state *mrb, mrb_value self)
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109 | {
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110 | mrb_sym iv_name;
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111 | mrb_value val;
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112 |
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113 | mrb_get_args(mrb, "no", &iv_name, &val);
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114 | mrb_iv_name_sym_check(mrb, iv_name);
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115 | mrb_iv_set(mrb, self, iv_name, val);
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116 | return val;
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117 | }
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118 |
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119 | /* 15.3.1.2.7 */
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120 | /* 15.3.1.3.28 */
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121 | /*
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122 | * call-seq:
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123 | * local_variables -> array
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124 | *
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125 | * Returns the names of local variables in the current scope.
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126 | *
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127 | * [mruby limitation]
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128 | * If variable symbol information was stripped out from
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129 | * compiled binary files using `mruby-strip -l`, this
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130 | * method always returns an empty array.
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131 | */
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132 | static mrb_value
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133 | mrb_local_variables(mrb_state *mrb, mrb_value self)
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134 | {
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135 | struct RProc *proc;
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136 | mrb_irep *irep;
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137 | mrb_value vars;
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138 | size_t i;
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139 |
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140 | proc = mrb->c->ci[-1].proc;
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141 |
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142 | if (proc == NULL || MRB_PROC_CFUNC_P(proc)) {
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143 | return mrb_ary_new(mrb);
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144 | }
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145 | vars = mrb_hash_new(mrb);
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146 | while (proc) {
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147 | if (MRB_PROC_CFUNC_P(proc)) break;
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148 | irep = proc->body.irep;
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149 | if (!irep->lv) break;
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150 | for (i = 0; i + 1 < irep->nlocals; ++i) {
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151 | if (irep->lv[i].name) {
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152 | mrb_sym sym = irep->lv[i].name;
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153 | const char *name = mrb_sym_name(mrb, sym);
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154 | switch (name[0]) {
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155 | case '*': case '&':
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156 | break;
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157 | default:
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158 | mrb_hash_set(mrb, vars, mrb_symbol_value(sym), mrb_true_value());
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159 | break;
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160 | }
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161 | }
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162 | }
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163 | if (!MRB_PROC_ENV_P(proc)) break;
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164 | proc = proc->upper;
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165 | //if (MRB_PROC_SCOPE_P(proc)) break;
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166 | if (!proc->c) break;
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167 | }
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168 |
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169 | return mrb_hash_keys(mrb, vars);
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170 | }
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171 |
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172 | KHASH_DECLARE(st, mrb_sym, char, FALSE)
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173 |
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174 | static void
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175 | method_entry_loop(mrb_state *mrb, struct RClass *klass, khash_t(st) *set, khash_t(st) *undef)
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176 | {
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177 | khint_t i;
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178 |
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179 | khash_t(mt) *h = klass->mt;
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180 | if (!h || kh_size(h) == 0) return;
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181 | for (i=0;i<kh_end(h);i++) {
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182 | if (kh_exist(h, i)) {
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183 | mrb_method_t m = kh_value(h, i);
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184 | if (MRB_METHOD_UNDEF_P(m)) {
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185 | if (undef) {
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186 | kh_put(st, mrb, undef, kh_key(h, i));
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187 | }
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188 | }
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189 | else if (undef == NULL ||
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190 | kh_get(st, mrb, undef, kh_key(h, i)) == kh_end(undef)) {
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191 | kh_put(st, mrb, set, kh_key(h, i));
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192 | }
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193 | }
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194 | }
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195 | }
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196 |
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197 | static mrb_value
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198 | mrb_class_instance_method_list(mrb_state *mrb, mrb_bool recur, struct RClass *klass, int obj)
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199 | {
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200 | khint_t i;
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201 | mrb_value ary;
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202 | mrb_bool prepended = FALSE;
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203 | struct RClass *oldklass;
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204 | khash_t(st) *set = kh_init(st, mrb);
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205 | khash_t(st) *undef = (recur ? kh_init(st, mrb) : NULL);
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206 |
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207 | if (!recur && (klass->flags & MRB_FL_CLASS_IS_PREPENDED)) {
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208 | MRB_CLASS_ORIGIN(klass);
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209 | prepended = TRUE;
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210 | }
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211 |
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212 | oldklass = 0;
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213 | while (klass && (klass != oldklass)) {
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214 | method_entry_loop(mrb, klass, set, undef);
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215 | if ((klass->tt == MRB_TT_ICLASS && !prepended) ||
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216 | (klass->tt == MRB_TT_SCLASS)) {
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217 | }
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218 | else {
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219 | if (!recur) break;
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220 | }
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221 | oldklass = klass;
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222 | klass = klass->super;
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223 | }
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224 |
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225 | ary = mrb_ary_new_capa(mrb, kh_size(set));
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226 | for (i=0;i<kh_end(set);i++) {
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227 | if (kh_exist(set, i)) {
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228 | mrb_ary_push(mrb, ary, mrb_symbol_value(kh_key(set, i)));
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229 | }
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230 | }
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231 | kh_destroy(st, mrb, set);
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232 | if (undef) kh_destroy(st, mrb, undef);
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233 |
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234 | return ary;
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235 | }
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236 |
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237 | static mrb_value
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238 | mrb_obj_methods(mrb_state *mrb, mrb_bool recur, mrb_value obj, mrb_method_flag_t flag)
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239 | {
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240 | return mrb_class_instance_method_list(mrb, recur, mrb_class(mrb, obj), 0);
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241 | }
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242 | /* 15.3.1.3.31 */
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243 | /*
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244 | * call-seq:
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245 | * obj.methods -> array
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246 | *
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247 | * Returns a list of the names of methods publicly accessible in
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248 | * <i>obj</i>. This will include all the methods accessible in
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249 | * <i>obj</i>'s ancestors.
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250 | *
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251 | * class Klass
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252 | * def kMethod()
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253 | * end
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254 | * end
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255 | * k = Klass.new
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256 | * k.methods[0..9] #=> [:kMethod, :respond_to?, :nil?, :is_a?,
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257 | * # :class, :instance_variable_set,
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258 | * # :methods, :extend, :__send__, :instance_eval]
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259 | * k.methods.length #=> 42
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260 | */
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261 | static mrb_value
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262 | mrb_obj_methods_m(mrb_state *mrb, mrb_value self)
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263 | {
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264 | mrb_bool recur = TRUE;
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265 | mrb_get_args(mrb, "|b", &recur);
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266 | return mrb_obj_methods(mrb, recur, self, (mrb_method_flag_t)0); /* everything but private */
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267 | }
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268 |
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269 | /* 15.3.1.3.36 */
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270 | /*
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271 | * call-seq:
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272 | * obj.private_methods(all=true) -> array
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273 | *
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274 | * Returns the list of private methods accessible to <i>obj</i>. If
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275 | * the <i>all</i> parameter is set to <code>false</code>, only those methods
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276 | * in the receiver will be listed.
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277 | */
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278 | static mrb_value
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279 | mrb_obj_private_methods(mrb_state *mrb, mrb_value self)
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280 | {
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281 | mrb_bool recur = TRUE;
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282 | mrb_get_args(mrb, "|b", &recur);
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283 | return mrb_obj_methods(mrb, recur, self, NOEX_PRIVATE); /* private attribute not define */
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284 | }
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285 |
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286 | /* 15.3.1.3.37 */
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287 | /*
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288 | * call-seq:
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289 | * obj.protected_methods(all=true) -> array
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290 | *
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291 | * Returns the list of protected methods accessible to <i>obj</i>. If
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292 | * the <i>all</i> parameter is set to <code>false</code>, only those methods
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293 | * in the receiver will be listed.
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294 | */
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295 | static mrb_value
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296 | mrb_obj_protected_methods(mrb_state *mrb, mrb_value self)
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297 | {
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298 | mrb_bool recur = TRUE;
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299 | mrb_get_args(mrb, "|b", &recur);
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300 | return mrb_obj_methods(mrb, recur, self, NOEX_PROTECTED); /* protected attribute not define */
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301 | }
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302 |
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303 | /* 15.3.1.3.38 */
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304 | /*
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305 | * call-seq:
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306 | * obj.public_methods(all=true) -> array
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307 | *
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308 | * Returns the list of public methods accessible to <i>obj</i>. If
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309 | * the <i>all</i> parameter is set to <code>false</code>, only those methods
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310 | * in the receiver will be listed.
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311 | */
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312 | static mrb_value
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313 | mrb_obj_public_methods(mrb_state *mrb, mrb_value self)
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314 | {
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315 | mrb_bool recur = TRUE;
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316 | mrb_get_args(mrb, "|b", &recur);
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317 | return mrb_obj_methods(mrb, recur, self, NOEX_PUBLIC); /* public attribute not define */
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318 | }
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319 |
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320 | static mrb_value
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321 | mrb_obj_singleton_methods(mrb_state *mrb, mrb_bool recur, mrb_value obj)
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322 | {
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323 | khint_t i;
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324 | mrb_value ary;
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325 | struct RClass *klass;
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326 | khash_t(st) *set = kh_init(st, mrb);
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327 | khash_t(st) *undef = (recur ? kh_init(st, mrb) : NULL);
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328 |
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329 | klass = mrb_class(mrb, obj);
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330 |
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331 | if (klass && (klass->tt == MRB_TT_SCLASS)) {
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332 | method_entry_loop(mrb, klass, set, undef);
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333 | klass = klass->super;
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334 | }
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335 | if (recur) {
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336 | while (klass && ((klass->tt == MRB_TT_SCLASS) || (klass->tt == MRB_TT_ICLASS))) {
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337 | method_entry_loop(mrb, klass, set, undef);
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338 | klass = klass->super;
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339 | }
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340 | }
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341 |
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342 | ary = mrb_ary_new(mrb);
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343 | for (i=0;i<kh_end(set);i++) {
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344 | if (kh_exist(set, i)) {
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345 | mrb_ary_push(mrb, ary, mrb_symbol_value(kh_key(set, i)));
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346 | }
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347 | }
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348 | kh_destroy(st, mrb, set);
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349 | if (undef) kh_destroy(st, mrb, undef);
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350 |
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351 | return ary;
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352 | }
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353 |
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354 | /* 15.3.1.3.45 */
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355 | /*
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356 | * call-seq:
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357 | * obj.singleton_methods(all=true) -> array
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358 | *
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359 | * Returns an array of the names of singleton methods for <i>obj</i>.
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360 | * If the optional <i>all</i> parameter is true, the list will include
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361 | * methods in modules included in <i>obj</i>.
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362 | * Only public and protected singleton methods are returned.
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363 | *
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364 | * module Other
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365 | * def three() end
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366 | * end
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367 | *
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368 | * class Single
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369 | * def Single.four() end
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370 | * end
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371 | *
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372 | * a = Single.new
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373 | *
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374 | * def a.one()
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375 | * end
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376 | *
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377 | * class << a
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378 | * include Other
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379 | * def two()
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380 | * end
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381 | * end
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382 | *
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383 | * Single.singleton_methods #=> [:four]
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384 | * a.singleton_methods(false) #=> [:two, :one]
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385 | * a.singleton_methods #=> [:two, :one, :three]
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386 | */
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387 | static mrb_value
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388 | mrb_obj_singleton_methods_m(mrb_state *mrb, mrb_value self)
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389 | {
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390 | mrb_bool recur = TRUE;
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391 | mrb_get_args(mrb, "|b", &recur);
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392 | return mrb_obj_singleton_methods(mrb, recur, self);
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393 | }
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394 |
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395 | static mrb_value
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396 | mod_define_singleton_method(mrb_state *mrb, mrb_value self)
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397 | {
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398 | struct RProc *p;
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399 | mrb_method_t m;
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400 | mrb_sym mid;
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401 | mrb_value blk = mrb_nil_value();
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402 |
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403 | mrb_get_args(mrb, "n&!", &mid, &blk);
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404 | p = (struct RProc*)mrb_obj_alloc(mrb, MRB_TT_PROC, mrb->proc_class);
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405 | mrb_proc_copy(p, mrb_proc_ptr(blk));
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406 | p->flags |= MRB_PROC_STRICT;
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407 | MRB_METHOD_FROM_PROC(m, p);
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408 | mrb_define_method_raw(mrb, mrb_class_ptr(mrb_singleton_class(mrb, self)), mid, m);
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409 | return mrb_symbol_value(mid);
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410 | }
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411 |
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412 | static mrb_bool
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413 | cv_name_p(mrb_state *mrb, const char *name, mrb_int len)
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414 | {
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415 | return len > 2 && name[0] == '@' && name[1] == '@' &&
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416 | !ISDIGIT(name[2]) && mrb_ident_p(name+2, len-2);
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417 | }
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418 |
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419 | static void
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420 | check_cv_name_sym(mrb_state *mrb, mrb_sym id)
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421 | {
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422 | mrb_int len;
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423 | const char *name = mrb_sym_name_len(mrb, id, &len);
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424 | if (!cv_name_p(mrb, name, len)) {
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425 | mrb_name_error(mrb, id, "'%n' is not allowed as a class variable name", id);
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426 | }
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427 | }
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428 |
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429 | /* 15.2.2.4.39 */
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430 | /*
|
---|
431 | * call-seq:
|
---|
432 | * remove_class_variable(sym) -> obj
|
---|
433 | *
|
---|
434 | * Removes the definition of the <i>sym</i>, returning that
|
---|
435 | * constant's value.
|
---|
436 | *
|
---|
437 | * class Dummy
|
---|
438 | * @@var = 99
|
---|
439 | * puts @@var
|
---|
440 | * p class_variables
|
---|
441 | * remove_class_variable(:@@var)
|
---|
442 | * p class_variables
|
---|
443 | * end
|
---|
444 | *
|
---|
445 | * <em>produces:</em>
|
---|
446 | *
|
---|
447 | * 99
|
---|
448 | * [:@@var]
|
---|
449 | * []
|
---|
450 | */
|
---|
451 |
|
---|
452 | static mrb_value
|
---|
453 | mrb_mod_remove_cvar(mrb_state *mrb, mrb_value mod)
|
---|
454 | {
|
---|
455 | mrb_value val;
|
---|
456 | mrb_sym id;
|
---|
457 |
|
---|
458 | mrb_get_args(mrb, "n", &id);
|
---|
459 | check_cv_name_sym(mrb, id);
|
---|
460 |
|
---|
461 | val = mrb_iv_remove(mrb, mod, id);
|
---|
462 | if (!mrb_undef_p(val)) return val;
|
---|
463 |
|
---|
464 | if (mrb_cv_defined(mrb, mod, id)) {
|
---|
465 | mrb_name_error(mrb, id, "cannot remove %n for %v", id, mod);
|
---|
466 | }
|
---|
467 |
|
---|
468 | mrb_name_error(mrb, id, "class variable %n not defined for %v", id, mod);
|
---|
469 |
|
---|
470 | /* not reached */
|
---|
471 | return mrb_nil_value();
|
---|
472 | }
|
---|
473 |
|
---|
474 | /* 15.2.2.4.16 */
|
---|
475 | /*
|
---|
476 | * call-seq:
|
---|
477 | * obj.class_variable_defined?(symbol) -> true or false
|
---|
478 | *
|
---|
479 | * Returns <code>true</code> if the given class variable is defined
|
---|
480 | * in <i>obj</i>.
|
---|
481 | *
|
---|
482 | * class Fred
|
---|
483 | * @@foo = 99
|
---|
484 | * end
|
---|
485 | * Fred.class_variable_defined?(:@@foo) #=> true
|
---|
486 | * Fred.class_variable_defined?(:@@bar) #=> false
|
---|
487 | */
|
---|
488 |
|
---|
489 | static mrb_value
|
---|
490 | mrb_mod_cvar_defined(mrb_state *mrb, mrb_value mod)
|
---|
491 | {
|
---|
492 | mrb_sym id;
|
---|
493 |
|
---|
494 | mrb_get_args(mrb, "n", &id);
|
---|
495 | check_cv_name_sym(mrb, id);
|
---|
496 | return mrb_bool_value(mrb_cv_defined(mrb, mod, id));
|
---|
497 | }
|
---|
498 |
|
---|
499 | /* 15.2.2.4.17 */
|
---|
500 | /*
|
---|
501 | * call-seq:
|
---|
502 | * mod.class_variable_get(symbol) -> obj
|
---|
503 | *
|
---|
504 | * Returns the value of the given class variable (or throws a
|
---|
505 | * <code>NameError</code> exception). The <code>@@</code> part of the
|
---|
506 | * variable name should be included for regular class variables
|
---|
507 | *
|
---|
508 | * class Fred
|
---|
509 | * @@foo = 99
|
---|
510 | * end
|
---|
511 | * Fred.class_variable_get(:@@foo) #=> 99
|
---|
512 | */
|
---|
513 |
|
---|
514 | static mrb_value
|
---|
515 | mrb_mod_cvar_get(mrb_state *mrb, mrb_value mod)
|
---|
516 | {
|
---|
517 | mrb_sym id;
|
---|
518 |
|
---|
519 | mrb_get_args(mrb, "n", &id);
|
---|
520 | check_cv_name_sym(mrb, id);
|
---|
521 | return mrb_cv_get(mrb, mod, id);
|
---|
522 | }
|
---|
523 |
|
---|
524 | /* 15.2.2.4.18 */
|
---|
525 | /*
|
---|
526 | * call-seq:
|
---|
527 | * obj.class_variable_set(symbol, obj) -> obj
|
---|
528 | *
|
---|
529 | * Sets the class variable names by <i>symbol</i> to
|
---|
530 | * <i>object</i>.
|
---|
531 | *
|
---|
532 | * class Fred
|
---|
533 | * @@foo = 99
|
---|
534 | * def foo
|
---|
535 | * @@foo
|
---|
536 | * end
|
---|
537 | * end
|
---|
538 | * Fred.class_variable_set(:@@foo, 101) #=> 101
|
---|
539 | * Fred.new.foo #=> 101
|
---|
540 | */
|
---|
541 |
|
---|
542 | static mrb_value
|
---|
543 | mrb_mod_cvar_set(mrb_state *mrb, mrb_value mod)
|
---|
544 | {
|
---|
545 | mrb_value value;
|
---|
546 | mrb_sym id;
|
---|
547 |
|
---|
548 | mrb_get_args(mrb, "no", &id, &value);
|
---|
549 | check_cv_name_sym(mrb, id);
|
---|
550 | mrb_cv_set(mrb, mod, id, value);
|
---|
551 | return value;
|
---|
552 | }
|
---|
553 |
|
---|
554 | static mrb_value
|
---|
555 | mrb_mod_included_modules(mrb_state *mrb, mrb_value self)
|
---|
556 | {
|
---|
557 | mrb_value result;
|
---|
558 | struct RClass *c = mrb_class_ptr(self);
|
---|
559 | struct RClass *origin = c;
|
---|
560 |
|
---|
561 | MRB_CLASS_ORIGIN(origin);
|
---|
562 | result = mrb_ary_new(mrb);
|
---|
563 | while (c) {
|
---|
564 | if (c != origin && c->tt == MRB_TT_ICLASS) {
|
---|
565 | if (c->c->tt == MRB_TT_MODULE) {
|
---|
566 | mrb_ary_push(mrb, result, mrb_obj_value(c->c));
|
---|
567 | }
|
---|
568 | }
|
---|
569 | c = c->super;
|
---|
570 | }
|
---|
571 |
|
---|
572 | return result;
|
---|
573 | }
|
---|
574 |
|
---|
575 | /* 15.2.2.4.33 */
|
---|
576 | /*
|
---|
577 | * call-seq:
|
---|
578 | * mod.instance_methods(include_super=true) -> array
|
---|
579 | *
|
---|
580 | * Returns an array containing the names of the public and protected instance
|
---|
581 | * methods in the receiver. For a module, these are the public and protected methods;
|
---|
582 | * for a class, they are the instance (not singleton) methods. With no
|
---|
583 | * argument, or with an argument that is <code>false</code>, the
|
---|
584 | * instance methods in <i>mod</i> are returned, otherwise the methods
|
---|
585 | * in <i>mod</i> and <i>mod</i>'s superclasses are returned.
|
---|
586 | *
|
---|
587 | * module A
|
---|
588 | * def method1() end
|
---|
589 | * end
|
---|
590 | * class B
|
---|
591 | * def method2() end
|
---|
592 | * end
|
---|
593 | * class C < B
|
---|
594 | * def method3() end
|
---|
595 | * end
|
---|
596 | *
|
---|
597 | * A.instance_methods #=> [:method1]
|
---|
598 | * B.instance_methods(false) #=> [:method2]
|
---|
599 | * C.instance_methods(false) #=> [:method3]
|
---|
600 | * C.instance_methods(true).length #=> 43
|
---|
601 | */
|
---|
602 |
|
---|
603 | static mrb_value
|
---|
604 | mrb_mod_instance_methods(mrb_state *mrb, mrb_value mod)
|
---|
605 | {
|
---|
606 | struct RClass *c = mrb_class_ptr(mod);
|
---|
607 | mrb_bool recur = TRUE;
|
---|
608 | mrb_get_args(mrb, "|b", &recur);
|
---|
609 | return mrb_class_instance_method_list(mrb, recur, c, 0);
|
---|
610 | }
|
---|
611 |
|
---|
612 | static void
|
---|
613 | remove_method(mrb_state *mrb, mrb_value mod, mrb_sym mid)
|
---|
614 | {
|
---|
615 | struct RClass *c = mrb_class_ptr(mod);
|
---|
616 | khash_t(mt) *h;
|
---|
617 | khiter_t k;
|
---|
618 |
|
---|
619 | MRB_CLASS_ORIGIN(c);
|
---|
620 | h = c->mt;
|
---|
621 |
|
---|
622 | if (h) {
|
---|
623 | k = kh_get(mt, mrb, h, mid);
|
---|
624 | if (k != kh_end(h)) {
|
---|
625 | kh_del(mt, mrb, h, k);
|
---|
626 | mrb_funcall(mrb, mod, "method_removed", 1, mrb_symbol_value(mid));
|
---|
627 | return;
|
---|
628 | }
|
---|
629 | }
|
---|
630 |
|
---|
631 | mrb_name_error(mrb, mid, "method '%n' not defined in %v", mid, mod);
|
---|
632 | }
|
---|
633 |
|
---|
634 | /* 15.2.2.4.41 */
|
---|
635 | /*
|
---|
636 | * call-seq:
|
---|
637 | * remove_method(symbol) -> self
|
---|
638 | *
|
---|
639 | * Removes the method identified by _symbol_ from the current
|
---|
640 | * class. For an example, see <code>Module.undef_method</code>.
|
---|
641 | */
|
---|
642 |
|
---|
643 | static mrb_value
|
---|
644 | mrb_mod_remove_method(mrb_state *mrb, mrb_value mod)
|
---|
645 | {
|
---|
646 | mrb_int argc;
|
---|
647 | mrb_value *argv;
|
---|
648 |
|
---|
649 | mrb_get_args(mrb, "*", &argv, &argc);
|
---|
650 | mrb_check_frozen(mrb, mrb_obj_ptr(mod));
|
---|
651 | while (argc--) {
|
---|
652 | remove_method(mrb, mod, mrb_obj_to_sym(mrb, *argv));
|
---|
653 | argv++;
|
---|
654 | }
|
---|
655 | return mod;
|
---|
656 | }
|
---|
657 |
|
---|
658 | static mrb_value
|
---|
659 | mrb_mod_s_constants(mrb_state *mrb, mrb_value mod)
|
---|
660 | {
|
---|
661 | mrb_raise(mrb, E_NOTIMP_ERROR, "Module.constants not implemented");
|
---|
662 | return mrb_nil_value(); /* not reached */
|
---|
663 | }
|
---|
664 |
|
---|
665 | static mrb_value
|
---|
666 | mrb_mod_s_nesting(mrb_state *mrb, mrb_value mod)
|
---|
667 | {
|
---|
668 | struct RProc *proc;
|
---|
669 | mrb_value ary;
|
---|
670 | struct RClass *c = NULL;
|
---|
671 |
|
---|
672 | ary = mrb_ary_new(mrb);
|
---|
673 | proc = mrb->c->ci[-1].proc; /* callee proc */
|
---|
674 | mrb_assert(!MRB_PROC_CFUNC_P(proc));
|
---|
675 | while (proc) {
|
---|
676 | if (MRB_PROC_SCOPE_P(proc)) {
|
---|
677 | struct RClass *c2 = MRB_PROC_TARGET_CLASS(proc);
|
---|
678 |
|
---|
679 | if (c2 != c) {
|
---|
680 | c = c2;
|
---|
681 | mrb_ary_push(mrb, ary, mrb_obj_value(c));
|
---|
682 | }
|
---|
683 | }
|
---|
684 | proc = proc->upper;
|
---|
685 | }
|
---|
686 | return ary;
|
---|
687 | }
|
---|
688 |
|
---|
689 | void
|
---|
690 | mrb_mruby_metaprog_gem_init(mrb_state* mrb)
|
---|
691 | {
|
---|
692 | struct RClass *krn = mrb->kernel_module;
|
---|
693 | struct RClass *mod = mrb->module_class;
|
---|
694 |
|
---|
695 | mrb_define_method(mrb, krn, "global_variables", mrb_f_global_variables, MRB_ARGS_NONE()); /* 15.3.1.3.14 (15.3.1.2.4) */
|
---|
696 | mrb_define_method(mrb, krn, "local_variables", mrb_local_variables, MRB_ARGS_NONE()); /* 15.3.1.3.28 (15.3.1.2.7) */
|
---|
697 |
|
---|
698 | mrb_define_method(mrb, krn, "singleton_class", mrb_singleton_class, MRB_ARGS_NONE());
|
---|
699 | mrb_define_method(mrb, krn, "instance_variable_defined?", mrb_obj_ivar_defined, MRB_ARGS_REQ(1)); /* 15.3.1.3.20 */
|
---|
700 | mrb_define_method(mrb, krn, "instance_variable_get", mrb_obj_ivar_get, MRB_ARGS_REQ(1)); /* 15.3.1.3.21 */
|
---|
701 | mrb_define_method(mrb, krn, "instance_variable_set", mrb_obj_ivar_set, MRB_ARGS_REQ(2)); /* 15.3.1.3.22 */
|
---|
702 | mrb_define_method(mrb, krn, "instance_variables", mrb_obj_instance_variables, MRB_ARGS_NONE()); /* 15.3.1.3.23 */
|
---|
703 | mrb_define_method(mrb, krn, "methods", mrb_obj_methods_m, MRB_ARGS_OPT(1)); /* 15.3.1.3.31 */
|
---|
704 | mrb_define_method(mrb, krn, "private_methods", mrb_obj_private_methods, MRB_ARGS_OPT(1)); /* 15.3.1.3.36 */
|
---|
705 | mrb_define_method(mrb, krn, "protected_methods", mrb_obj_protected_methods, MRB_ARGS_OPT(1)); /* 15.3.1.3.37 */
|
---|
706 | mrb_define_method(mrb, krn, "public_methods", mrb_obj_public_methods, MRB_ARGS_OPT(1)); /* 15.3.1.3.38 */
|
---|
707 | mrb_define_method(mrb, krn, "singleton_methods", mrb_obj_singleton_methods_m, MRB_ARGS_OPT(1)); /* 15.3.1.3.45 */
|
---|
708 | mrb_define_method(mrb, krn, "define_singleton_method", mod_define_singleton_method, MRB_ARGS_REQ(1)|MRB_ARGS_BLOCK());
|
---|
709 | mrb_define_method(mrb, krn, "send", mrb_f_send, MRB_ARGS_REQ(1)|MRB_ARGS_REST()|MRB_ARGS_BLOCK()); /* 15.3.1.3.44 */
|
---|
710 |
|
---|
711 | mrb_define_method(mrb, mod, "class_variables", mrb_mod_class_variables, MRB_ARGS_OPT(1)); /* 15.2.2.4.19 */
|
---|
712 | mrb_define_method(mrb, mod, "remove_class_variable", mrb_mod_remove_cvar, MRB_ARGS_REQ(1)); /* 15.2.2.4.39 */
|
---|
713 | mrb_define_method(mrb, mod, "class_variable_defined?", mrb_mod_cvar_defined, MRB_ARGS_REQ(1)); /* 15.2.2.4.16 */
|
---|
714 | mrb_define_method(mrb, mod, "class_variable_get", mrb_mod_cvar_get, MRB_ARGS_REQ(1)); /* 15.2.2.4.17 */
|
---|
715 | mrb_define_method(mrb, mod, "class_variable_set", mrb_mod_cvar_set, MRB_ARGS_REQ(2)); /* 15.2.2.4.18 */
|
---|
716 | mrb_define_method(mrb, mod, "included_modules", mrb_mod_included_modules, MRB_ARGS_NONE()); /* 15.2.2.4.30 */
|
---|
717 | mrb_define_method(mrb, mod, "instance_methods", mrb_mod_instance_methods, MRB_ARGS_ANY()); /* 15.2.2.4.33 */
|
---|
718 | mrb_define_method(mrb, mod, "remove_method", mrb_mod_remove_method, MRB_ARGS_ANY()); /* 15.2.2.4.41 */
|
---|
719 | mrb_define_method(mrb, mod, "method_removed", mrb_f_nil, MRB_ARGS_REQ(1));
|
---|
720 | mrb_define_method(mrb, mod, "constants", mrb_mod_constants, MRB_ARGS_OPT(1)); /* 15.2.2.4.24 */
|
---|
721 | mrb_define_class_method(mrb, mod, "constants", mrb_mod_s_constants, MRB_ARGS_ANY()); /* 15.2.2.3.1 */
|
---|
722 | mrb_define_class_method(mrb, mod, "nesting", mrb_mod_s_nesting, MRB_ARGS_NONE()); /* 15.2.2.3.2 */
|
---|
723 | }
|
---|
724 |
|
---|
725 | void
|
---|
726 | mrb_mruby_metaprog_gem_final(mrb_state* mrb)
|
---|
727 | {
|
---|
728 | }
|
---|