[270] | 1 | /*
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| 2 | ** object.c - Object, NilClass, TrueClass, FalseClass class
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| 3 | **
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| 4 | ** See Copyright Notice in mruby.h
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| 5 | */
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| 6 |
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| 7 | #include "mruby.h"
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| 8 | #include "mruby/class.h"
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| 9 | #include "mruby/numeric.h"
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| 10 | #include "mruby/string.h"
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| 11 |
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| 12 | MRB_API mrb_bool
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| 13 | mrb_obj_eq(mrb_state *mrb, mrb_value v1, mrb_value v2)
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| 14 | {
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| 15 | if (mrb_type(v1) != mrb_type(v2)) return FALSE;
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| 16 | switch (mrb_type(v1)) {
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| 17 | case MRB_TT_TRUE:
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| 18 | return TRUE;
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| 19 |
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| 20 | case MRB_TT_FALSE:
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| 21 | case MRB_TT_FIXNUM:
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| 22 | return (mrb_fixnum(v1) == mrb_fixnum(v2));
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| 23 | case MRB_TT_SYMBOL:
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| 24 | return (mrb_symbol(v1) == mrb_symbol(v2));
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| 25 |
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| 26 | case MRB_TT_FLOAT:
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| 27 | return (mrb_float(v1) == mrb_float(v2));
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| 28 |
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| 29 | default:
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| 30 | return (mrb_ptr(v1) == mrb_ptr(v2));
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| 31 | }
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| 32 | }
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| 33 |
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| 34 | MRB_API mrb_bool
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| 35 | mrb_obj_equal(mrb_state *mrb, mrb_value v1, mrb_value v2)
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| 36 | {
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| 37 | /* temporary definition */
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| 38 | return mrb_obj_eq(mrb, v1, v2);
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| 39 | }
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| 40 |
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| 41 | MRB_API mrb_bool
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| 42 | mrb_equal(mrb_state *mrb, mrb_value obj1, mrb_value obj2)
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| 43 | {
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| 44 | mrb_value result;
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| 45 |
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| 46 | if (mrb_obj_eq(mrb, obj1, obj2)) return TRUE;
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| 47 | result = mrb_funcall(mrb, obj1, "==", 1, obj2);
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| 48 | if (mrb_test(result)) return TRUE;
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| 49 | return FALSE;
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| 50 | }
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| 51 |
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| 52 | /*
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| 53 | * Document-class: NilClass
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| 54 | *
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| 55 | * The class of the singleton object <code>nil</code>.
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| 56 | */
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| 57 |
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| 58 | /* 15.2.4.3.4 */
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| 59 | /*
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| 60 | * call_seq:
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| 61 | * nil.nil? -> true
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| 62 | *
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| 63 | * Only the object <i>nil</i> responds <code>true</code> to <code>nil?</code>.
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| 64 | */
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| 65 |
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| 66 | static mrb_value
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| 67 | mrb_true(mrb_state *mrb, mrb_value obj)
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| 68 | {
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| 69 | return mrb_true_value();
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| 70 | }
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| 71 |
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| 72 | /* 15.2.4.3.5 */
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| 73 | /*
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| 74 | * call-seq:
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| 75 | * nil.to_s -> ""
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| 76 | *
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| 77 | * Always returns the empty string.
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| 78 | */
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| 79 |
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| 80 | static mrb_value
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| 81 | nil_to_s(mrb_state *mrb, mrb_value obj)
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| 82 | {
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| 83 | return mrb_str_new(mrb, 0, 0);
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| 84 | }
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| 85 |
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| 86 | static mrb_value
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| 87 | nil_inspect(mrb_state *mrb, mrb_value obj)
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| 88 | {
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| 89 | return mrb_str_new_lit(mrb, "nil");
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| 90 | }
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| 91 |
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| 92 | /***********************************************************************
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| 93 | * Document-class: TrueClass
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| 94 | *
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| 95 | * The global value <code>true</code> is the only instance of class
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| 96 | * <code>TrueClass</code> and represents a logically true value in
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| 97 | * boolean expressions. The class provides operators allowing
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| 98 | * <code>true</code> to be used in logical expressions.
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| 99 | */
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| 100 |
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| 101 | /* 15.2.5.3.1 */
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| 102 | /*
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| 103 | * call-seq:
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| 104 | * true & obj -> true or false
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| 105 | *
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| 106 | * And---Returns <code>false</code> if <i>obj</i> is
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| 107 | * <code>nil</code> or <code>false</code>, <code>true</code> otherwise.
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| 108 | */
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| 109 |
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| 110 | static mrb_value
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| 111 | true_and(mrb_state *mrb, mrb_value obj)
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| 112 | {
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| 113 | mrb_bool obj2;
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| 114 |
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| 115 | mrb_get_args(mrb, "b", &obj2);
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| 116 |
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| 117 | return mrb_bool_value(obj2);
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| 118 | }
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| 119 |
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| 120 | /* 15.2.5.3.2 */
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| 121 | /*
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| 122 | * call-seq:
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| 123 | * true ^ obj -> !obj
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| 124 | *
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| 125 | * Exclusive Or---Returns <code>true</code> if <i>obj</i> is
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| 126 | * <code>nil</code> or <code>false</code>, <code>false</code>
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| 127 | * otherwise.
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| 128 | */
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| 129 |
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| 130 | static mrb_value
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| 131 | true_xor(mrb_state *mrb, mrb_value obj)
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| 132 | {
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| 133 | mrb_bool obj2;
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| 134 |
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| 135 | mrb_get_args(mrb, "b", &obj2);
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| 136 | return mrb_bool_value(!obj2);
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| 137 | }
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| 138 |
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| 139 | /* 15.2.5.3.3 */
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| 140 | /*
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| 141 | * call-seq:
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| 142 | * true.to_s -> "true"
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| 143 | *
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| 144 | * The string representation of <code>true</code> is "true".
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| 145 | */
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| 146 |
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| 147 | static mrb_value
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| 148 | true_to_s(mrb_state *mrb, mrb_value obj)
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| 149 | {
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| 150 | return mrb_str_new_lit(mrb, "true");
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| 151 | }
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| 152 |
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| 153 | /* 15.2.5.3.4 */
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| 154 | /*
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| 155 | * call-seq:
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| 156 | * true | obj -> true
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| 157 | *
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| 158 | * Or---Returns <code>true</code>. As <i>anObject</i> is an argument to
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| 159 | * a method call, it is always evaluated; there is no short-circuit
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| 160 | * evaluation in this case.
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| 161 | *
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| 162 | * true | puts("or")
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| 163 | * true || puts("logical or")
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| 164 | *
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| 165 | * <em>produces:</em>
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| 166 | *
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| 167 | * or
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| 168 | */
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| 169 |
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| 170 | static mrb_value
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| 171 | true_or(mrb_state *mrb, mrb_value obj)
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| 172 | {
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| 173 | return mrb_true_value();
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| 174 | }
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| 175 |
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| 176 | /*
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| 177 | * Document-class: FalseClass
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| 178 | *
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| 179 | * The global value <code>false</code> is the only instance of class
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| 180 | * <code>FalseClass</code> and represents a logically false value in
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| 181 | * boolean expressions. The class provides operators allowing
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| 182 | * <code>false</code> to participate correctly in logical expressions.
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| 183 | *
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| 184 | */
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| 185 |
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| 186 | /* 15.2.4.3.1 */
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| 187 | /* 15.2.6.3.1 */
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| 188 | /*
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| 189 | * call-seq:
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| 190 | * false & obj -> false
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| 191 | * nil & obj -> false
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| 192 | *
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| 193 | * And---Returns <code>false</code>. <i>obj</i> is always
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| 194 | * evaluated as it is the argument to a method call---there is no
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| 195 | * short-circuit evaluation in this case.
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| 196 | */
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| 197 |
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| 198 | static mrb_value
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| 199 | false_and(mrb_state *mrb, mrb_value obj)
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| 200 | {
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| 201 | return mrb_false_value();
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| 202 | }
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| 203 |
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| 204 | /* 15.2.4.3.2 */
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| 205 | /* 15.2.6.3.2 */
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| 206 | /*
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| 207 | * call-seq:
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| 208 | * false ^ obj -> true or false
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| 209 | * nil ^ obj -> true or false
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| 210 | *
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| 211 | * Exclusive Or---If <i>obj</i> is <code>nil</code> or
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| 212 | * <code>false</code>, returns <code>false</code>; otherwise, returns
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| 213 | * <code>true</code>.
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| 214 | *
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| 215 | */
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| 216 |
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| 217 | static mrb_value
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| 218 | false_xor(mrb_state *mrb, mrb_value obj)
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| 219 | {
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| 220 | mrb_bool obj2;
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| 221 |
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| 222 | mrb_get_args(mrb, "b", &obj2);
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| 223 | return mrb_bool_value(obj2);
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| 224 | }
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| 225 |
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| 226 | /* 15.2.4.3.3 */
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| 227 | /* 15.2.6.3.4 */
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| 228 | /*
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| 229 | * call-seq:
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| 230 | * false | obj -> true or false
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| 231 | * nil | obj -> true or false
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| 232 | *
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| 233 | * Or---Returns <code>false</code> if <i>obj</i> is
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| 234 | * <code>nil</code> or <code>false</code>; <code>true</code> otherwise.
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| 235 | */
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| 236 |
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| 237 | static mrb_value
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| 238 | false_or(mrb_state *mrb, mrb_value obj)
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| 239 | {
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| 240 | mrb_bool obj2;
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| 241 |
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| 242 | mrb_get_args(mrb, "b", &obj2);
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| 243 | return mrb_bool_value(obj2);
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| 244 | }
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| 245 |
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| 246 | /* 15.2.6.3.3 */
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| 247 | /*
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| 248 | * call-seq:
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| 249 | * false.to_s -> "false"
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| 250 | *
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| 251 | * 'nuf said...
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| 252 | */
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| 253 |
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| 254 | static mrb_value
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| 255 | false_to_s(mrb_state *mrb, mrb_value obj)
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| 256 | {
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| 257 | return mrb_str_new_lit(mrb, "false");
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| 258 | }
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| 259 |
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| 260 | void
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| 261 | mrb_init_object(mrb_state *mrb)
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| 262 | {
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| 263 | struct RClass *n;
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| 264 | struct RClass *t;
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| 265 | struct RClass *f;
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| 266 |
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| 267 | mrb->nil_class = n = mrb_define_class(mrb, "NilClass", mrb->object_class);
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| 268 | mrb_undef_class_method(mrb, n, "new");
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| 269 | mrb_define_method(mrb, n, "&", false_and, MRB_ARGS_REQ(1)); /* 15.2.4.3.1 */
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| 270 | mrb_define_method(mrb, n, "^", false_xor, MRB_ARGS_REQ(1)); /* 15.2.4.3.2 */
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| 271 | mrb_define_method(mrb, n, "|", false_or, MRB_ARGS_REQ(1)); /* 15.2.4.3.3 */
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| 272 | mrb_define_method(mrb, n, "nil?", mrb_true, MRB_ARGS_NONE()); /* 15.2.4.3.4 */
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| 273 | mrb_define_method(mrb, n, "to_s", nil_to_s, MRB_ARGS_NONE()); /* 15.2.4.3.5 */
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| 274 | mrb_define_method(mrb, n, "inspect", nil_inspect, MRB_ARGS_NONE());
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| 275 |
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| 276 | mrb->true_class = t = mrb_define_class(mrb, "TrueClass", mrb->object_class);
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| 277 | mrb_undef_class_method(mrb, t, "new");
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| 278 | mrb_define_method(mrb, t, "&", true_and, MRB_ARGS_REQ(1)); /* 15.2.5.3.1 */
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| 279 | mrb_define_method(mrb, t, "^", true_xor, MRB_ARGS_REQ(1)); /* 15.2.5.3.2 */
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| 280 | mrb_define_method(mrb, t, "to_s", true_to_s, MRB_ARGS_NONE()); /* 15.2.5.3.3 */
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| 281 | mrb_define_method(mrb, t, "|", true_or, MRB_ARGS_REQ(1)); /* 15.2.5.3.4 */
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| 282 | mrb_define_method(mrb, t, "inspect", true_to_s, MRB_ARGS_NONE());
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| 283 |
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| 284 | mrb->false_class = f = mrb_define_class(mrb, "FalseClass", mrb->object_class);
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| 285 | mrb_undef_class_method(mrb, f, "new");
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| 286 | mrb_define_method(mrb, f, "&", false_and, MRB_ARGS_REQ(1)); /* 15.2.6.3.1 */
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| 287 | mrb_define_method(mrb, f, "^", false_xor, MRB_ARGS_REQ(1)); /* 15.2.6.3.2 */
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| 288 | mrb_define_method(mrb, f, "to_s", false_to_s, MRB_ARGS_NONE()); /* 15.2.6.3.3 */
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| 289 | mrb_define_method(mrb, f, "|", false_or, MRB_ARGS_REQ(1)); /* 15.2.6.3.4 */
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| 290 | mrb_define_method(mrb, f, "inspect", false_to_s, MRB_ARGS_NONE());
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| 291 | }
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| 292 |
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| 293 | static mrb_value
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| 294 | inspect_type(mrb_state *mrb, mrb_value val)
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| 295 | {
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| 296 | if (mrb_type(val) == MRB_TT_FALSE || mrb_type(val) == MRB_TT_TRUE) {
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| 297 | return mrb_inspect(mrb, val);
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| 298 | }
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| 299 | else {
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| 300 | return mrb_str_new_cstr(mrb, mrb_obj_classname(mrb, val));
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| 301 | }
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| 302 | }
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| 303 |
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| 304 | static mrb_value
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| 305 | convert_type(mrb_state *mrb, mrb_value val, const char *tname, const char *method, mrb_bool raise)
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| 306 | {
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| 307 | mrb_sym m = 0;
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| 308 |
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| 309 | m = mrb_intern_cstr(mrb, method);
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| 310 | if (!mrb_respond_to(mrb, val, m)) {
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| 311 | if (raise) {
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| 312 | mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S into %S", inspect_type(mrb, val), mrb_str_new_cstr(mrb, tname));
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| 313 | }
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| 314 | return mrb_nil_value();
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| 315 | }
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| 316 | return mrb_funcall_argv(mrb, val, m, 0, 0);
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| 317 | }
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| 318 |
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| 319 | MRB_API mrb_value
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| 320 | mrb_check_to_integer(mrb_state *mrb, mrb_value val, const char *method)
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| 321 | {
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| 322 | mrb_value v;
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| 323 |
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| 324 | if (mrb_fixnum_p(val)) return val;
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| 325 | v = convert_type(mrb, val, "Integer", method, FALSE);
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| 326 | if (mrb_nil_p(v) || !mrb_fixnum_p(v)) {
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| 327 | return mrb_nil_value();
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| 328 | }
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| 329 | return v;
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| 330 | }
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| 331 |
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| 332 | MRB_API mrb_value
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| 333 | mrb_convert_type(mrb_state *mrb, mrb_value val, enum mrb_vtype type, const char *tname, const char *method)
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| 334 | {
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| 335 | mrb_value v;
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| 336 |
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| 337 | if (mrb_type(val) == type) return val;
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| 338 | v = convert_type(mrb, val, tname, method, TRUE);
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| 339 | if (mrb_type(v) != type) {
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| 340 | mrb_raisef(mrb, E_TYPE_ERROR, "%S cannot be converted to %S by #%S", val,
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| 341 | mrb_str_new_cstr(mrb, tname), mrb_str_new_cstr(mrb, method));
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| 342 | }
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| 343 | return v;
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| 344 | }
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| 345 |
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| 346 | MRB_API mrb_value
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| 347 | mrb_check_convert_type(mrb_state *mrb, mrb_value val, enum mrb_vtype type, const char *tname, const char *method)
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| 348 | {
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| 349 | mrb_value v;
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| 350 |
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| 351 | if (mrb_type(val) == type && type != MRB_TT_DATA) return val;
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| 352 | v = convert_type(mrb, val, tname, method, FALSE);
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| 353 | if (mrb_nil_p(v) || mrb_type(v) != type) return mrb_nil_value();
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| 354 | return v;
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| 355 | }
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| 356 |
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| 357 | static const struct types {
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| 358 | unsigned char type;
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| 359 | const char *name;
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| 360 | } builtin_types[] = {
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| 361 | /* {MRB_TT_NIL, "nil"}, */
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| 362 | {MRB_TT_FALSE, "false"},
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| 363 | {MRB_TT_TRUE, "true"},
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| 364 | {MRB_TT_FIXNUM, "Fixnum"},
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| 365 | {MRB_TT_SYMBOL, "Symbol"}, /* :symbol */
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| 366 | {MRB_TT_MODULE, "Module"},
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| 367 | {MRB_TT_OBJECT, "Object"},
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| 368 | {MRB_TT_CLASS, "Class"},
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| 369 | {MRB_TT_ICLASS, "iClass"}, /* internal use: mixed-in module holder */
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| 370 | {MRB_TT_SCLASS, "SClass"},
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| 371 | {MRB_TT_PROC, "Proc"},
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| 372 | {MRB_TT_FLOAT, "Float"},
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| 373 | {MRB_TT_ARRAY, "Array"},
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| 374 | {MRB_TT_HASH, "Hash"},
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| 375 | {MRB_TT_STRING, "String"},
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| 376 | {MRB_TT_RANGE, "Range"},
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| 377 | /* {MRB_TT_BIGNUM, "Bignum"}, */
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| 378 | {MRB_TT_FILE, "File"},
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| 379 | {MRB_TT_DATA, "Data"}, /* internal use: wrapped C pointers */
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| 380 | /* {MRB_TT_VARMAP, "Varmap"}, */ /* internal use: dynamic variables */
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| 381 | /* {MRB_TT_NODE, "Node"}, */ /* internal use: syntax tree node */
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| 382 | /* {MRB_TT_UNDEF, "undef"}, */ /* internal use: #undef; should not happen */
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| 383 | {-1, 0}
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| 384 | };
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| 385 |
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| 386 | MRB_API void
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| 387 | mrb_check_type(mrb_state *mrb, mrb_value x, enum mrb_vtype t)
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| 388 | {
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| 389 | const struct types *type = builtin_types;
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| 390 | enum mrb_vtype xt;
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| 391 |
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| 392 | xt = mrb_type(x);
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| 393 | if ((xt != t) || (xt == MRB_TT_DATA)) {
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| 394 | while (type->type < MRB_TT_MAXDEFINE) {
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| 395 | if (type->type == t) {
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| 396 | const char *etype;
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| 397 |
|
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| 398 | if (mrb_nil_p(x)) {
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| 399 | etype = "nil";
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| 400 | }
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| 401 | else if (mrb_fixnum_p(x)) {
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| 402 | etype = "Fixnum";
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| 403 | }
|
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| 404 | else if (mrb_type(x) == MRB_TT_SYMBOL) {
|
---|
| 405 | etype = "Symbol";
|
---|
| 406 | }
|
---|
| 407 | else if (mrb_immediate_p(x)) {
|
---|
| 408 | etype = RSTRING_PTR(mrb_obj_as_string(mrb, x));
|
---|
| 409 | }
|
---|
| 410 | else {
|
---|
| 411 | etype = mrb_obj_classname(mrb, x);
|
---|
| 412 | }
|
---|
| 413 | mrb_raisef(mrb, E_TYPE_ERROR, "wrong argument type %S (expected %S)",
|
---|
| 414 | mrb_str_new_cstr(mrb, etype), mrb_str_new_cstr(mrb, type->name));
|
---|
| 415 | }
|
---|
| 416 | type++;
|
---|
| 417 | }
|
---|
| 418 | mrb_raisef(mrb, E_TYPE_ERROR, "unknown type %S (%S given)",
|
---|
| 419 | mrb_fixnum_value(t), mrb_fixnum_value(mrb_type(x)));
|
---|
| 420 | }
|
---|
| 421 | }
|
---|
| 422 |
|
---|
| 423 | /* 15.3.1.3.46 */
|
---|
| 424 | /*
|
---|
| 425 | * call-seq:
|
---|
| 426 | * obj.to_s => string
|
---|
| 427 | *
|
---|
| 428 | * Returns a string representing <i>obj</i>. The default
|
---|
| 429 | * <code>to_s</code> prints the object's class and an encoding of the
|
---|
| 430 | * object id. As a special case, the top-level object that is the
|
---|
| 431 | * initial execution context of Ruby programs returns "main."
|
---|
| 432 | */
|
---|
| 433 |
|
---|
| 434 | MRB_API mrb_value
|
---|
| 435 | mrb_any_to_s(mrb_state *mrb, mrb_value obj)
|
---|
| 436 | {
|
---|
| 437 | mrb_value str = mrb_str_buf_new(mrb, 20);
|
---|
| 438 | const char *cname = mrb_obj_classname(mrb, obj);
|
---|
| 439 |
|
---|
| 440 | mrb_str_cat_lit(mrb, str, "#<");
|
---|
| 441 | mrb_str_cat_cstr(mrb, str, cname);
|
---|
| 442 | mrb_str_cat_lit(mrb, str, ":");
|
---|
| 443 | mrb_str_concat(mrb, str, mrb_ptr_to_str(mrb, mrb_cptr(obj)));
|
---|
| 444 | mrb_str_cat_lit(mrb, str, ">");
|
---|
| 445 |
|
---|
| 446 | return str;
|
---|
| 447 | }
|
---|
| 448 |
|
---|
| 449 | /*
|
---|
| 450 | * call-seq:
|
---|
| 451 | * obj.is_a?(class) => true or false
|
---|
| 452 | * obj.kind_of?(class) => true or false
|
---|
| 453 | *
|
---|
| 454 | * Returns <code>true</code> if <i>class</i> is the class of
|
---|
| 455 | * <i>obj</i>, or if <i>class</i> is one of the superclasses of
|
---|
| 456 | * <i>obj</i> or modules included in <i>obj</i>.
|
---|
| 457 | *
|
---|
| 458 | * module M; end
|
---|
| 459 | * class A
|
---|
| 460 | * include M
|
---|
| 461 | * end
|
---|
| 462 | * class B < A; end
|
---|
| 463 | * class C < B; end
|
---|
| 464 | * b = B.new
|
---|
| 465 | * b.instance_of? A #=> false
|
---|
| 466 | * b.instance_of? B #=> true
|
---|
| 467 | * b.instance_of? C #=> false
|
---|
| 468 | * b.instance_of? M #=> false
|
---|
| 469 | * b.kind_of? A #=> true
|
---|
| 470 | * b.kind_of? B #=> true
|
---|
| 471 | * b.kind_of? C #=> false
|
---|
| 472 | * b.kind_of? M #=> true
|
---|
| 473 | */
|
---|
| 474 |
|
---|
| 475 | MRB_API mrb_bool
|
---|
| 476 | mrb_obj_is_kind_of(mrb_state *mrb, mrb_value obj, struct RClass *c)
|
---|
| 477 | {
|
---|
| 478 | struct RClass *cl = mrb_class(mrb, obj);
|
---|
| 479 |
|
---|
| 480 | switch (c->tt) {
|
---|
| 481 | case MRB_TT_MODULE:
|
---|
| 482 | case MRB_TT_CLASS:
|
---|
| 483 | case MRB_TT_ICLASS:
|
---|
| 484 | break;
|
---|
| 485 |
|
---|
| 486 | default:
|
---|
| 487 | mrb_raise(mrb, E_TYPE_ERROR, "class or module required");
|
---|
| 488 | }
|
---|
| 489 |
|
---|
| 490 | MRB_CLASS_ORIGIN(c);
|
---|
| 491 | while (cl) {
|
---|
| 492 | if (cl == c || cl->mt == c->mt)
|
---|
| 493 | return TRUE;
|
---|
| 494 | cl = cl->super;
|
---|
| 495 | }
|
---|
| 496 | return FALSE;
|
---|
| 497 | }
|
---|
| 498 |
|
---|
| 499 | static mrb_value
|
---|
| 500 | mrb_to_integer(mrb_state *mrb, mrb_value val, const char *method)
|
---|
| 501 | {
|
---|
| 502 | mrb_value v;
|
---|
| 503 |
|
---|
| 504 | if (mrb_fixnum_p(val)) return val;
|
---|
| 505 | v = convert_type(mrb, val, "Integer", method, TRUE);
|
---|
| 506 | if (!mrb_obj_is_kind_of(mrb, v, mrb->fixnum_class)) {
|
---|
| 507 | mrb_value type = inspect_type(mrb, val);
|
---|
| 508 | mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S to Integer (%S#%S gives %S)",
|
---|
| 509 | type, type, mrb_str_new_cstr(mrb, method), inspect_type(mrb, v));
|
---|
| 510 | }
|
---|
| 511 | return v;
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 | MRB_API mrb_value
|
---|
| 515 | mrb_to_int(mrb_state *mrb, mrb_value val)
|
---|
| 516 | {
|
---|
| 517 | return mrb_to_integer(mrb, val, "to_int");
|
---|
| 518 | }
|
---|
| 519 |
|
---|
| 520 | MRB_API mrb_value
|
---|
| 521 | mrb_convert_to_integer(mrb_state *mrb, mrb_value val, int base)
|
---|
| 522 | {
|
---|
| 523 | mrb_value tmp;
|
---|
| 524 |
|
---|
| 525 | if (mrb_nil_p(val)) {
|
---|
| 526 | if (base != 0) goto arg_error;
|
---|
| 527 | mrb_raise(mrb, E_TYPE_ERROR, "can't convert nil into Integer");
|
---|
| 528 | }
|
---|
| 529 | switch (mrb_type(val)) {
|
---|
| 530 | case MRB_TT_FLOAT:
|
---|
| 531 | if (base != 0) goto arg_error;
|
---|
| 532 | if (FIXABLE(mrb_float(val))) {
|
---|
| 533 | break;
|
---|
| 534 | }
|
---|
| 535 | return mrb_flo_to_fixnum(mrb, val);
|
---|
| 536 |
|
---|
| 537 | case MRB_TT_FIXNUM:
|
---|
| 538 | if (base != 0) goto arg_error;
|
---|
| 539 | return val;
|
---|
| 540 |
|
---|
| 541 | case MRB_TT_STRING:
|
---|
| 542 | string_conv:
|
---|
| 543 | return mrb_str_to_inum(mrb, val, base, TRUE);
|
---|
| 544 |
|
---|
| 545 | default:
|
---|
| 546 | break;
|
---|
| 547 | }
|
---|
| 548 | if (base != 0) {
|
---|
| 549 | tmp = mrb_check_string_type(mrb, val);
|
---|
| 550 | if (!mrb_nil_p(tmp)) {
|
---|
| 551 | goto string_conv;
|
---|
| 552 | }
|
---|
| 553 | arg_error:
|
---|
| 554 | mrb_raise(mrb, E_ARGUMENT_ERROR, "base specified for non string value");
|
---|
| 555 | }
|
---|
| 556 | tmp = convert_type(mrb, val, "Integer", "to_int", FALSE);
|
---|
| 557 | if (mrb_nil_p(tmp)) {
|
---|
| 558 | return mrb_to_integer(mrb, val, "to_i");
|
---|
| 559 | }
|
---|
| 560 | return tmp;
|
---|
| 561 | }
|
---|
| 562 |
|
---|
| 563 | MRB_API mrb_value
|
---|
| 564 | mrb_Integer(mrb_state *mrb, mrb_value val)
|
---|
| 565 | {
|
---|
| 566 | return mrb_convert_to_integer(mrb, val, 0);
|
---|
| 567 | }
|
---|
| 568 |
|
---|
| 569 | MRB_API mrb_value
|
---|
| 570 | mrb_Float(mrb_state *mrb, mrb_value val)
|
---|
| 571 | {
|
---|
| 572 | if (mrb_nil_p(val)) {
|
---|
| 573 | mrb_raise(mrb, E_TYPE_ERROR, "can't convert nil into Float");
|
---|
| 574 | }
|
---|
| 575 | switch (mrb_type(val)) {
|
---|
| 576 | case MRB_TT_FIXNUM:
|
---|
| 577 | return mrb_float_value(mrb, (mrb_float)mrb_fixnum(val));
|
---|
| 578 |
|
---|
| 579 | case MRB_TT_FLOAT:
|
---|
| 580 | return val;
|
---|
| 581 |
|
---|
| 582 | case MRB_TT_STRING:
|
---|
| 583 | return mrb_float_value(mrb, mrb_str_to_dbl(mrb, val, TRUE));
|
---|
| 584 |
|
---|
| 585 | default:
|
---|
| 586 | return mrb_convert_type(mrb, val, MRB_TT_FLOAT, "Float", "to_f");
|
---|
| 587 | }
|
---|
| 588 | }
|
---|
| 589 |
|
---|
| 590 | MRB_API mrb_value
|
---|
| 591 | mrb_inspect(mrb_state *mrb, mrb_value obj)
|
---|
| 592 | {
|
---|
| 593 | return mrb_obj_as_string(mrb, mrb_funcall(mrb, obj, "inspect", 0));
|
---|
| 594 | }
|
---|
| 595 |
|
---|
| 596 | MRB_API mrb_bool
|
---|
| 597 | mrb_eql(mrb_state *mrb, mrb_value obj1, mrb_value obj2)
|
---|
| 598 | {
|
---|
| 599 | if (mrb_obj_eq(mrb, obj1, obj2)) return TRUE;
|
---|
| 600 | return mrb_test(mrb_funcall(mrb, obj1, "eql?", 1, obj2));
|
---|
| 601 | }
|
---|