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1 module dmd.expression.Neg;
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2
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3 import dmd.common;
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4 import dmd.Type;
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5 import dmd.Loc;
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6 import dmd.RealExp;
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7 import dmd.Expression;
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8 import dmd.ComplexExp;
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9 import dmd.IntegerExp;
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10 import dmd.Complex;
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11
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12 Expression Neg(Type type, Expression e1)
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13 {
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14 Expression e;
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15 Loc loc = e1.loc;
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16
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17 if (e1.type.isreal())
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18 {
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19 e = new RealExp(loc, -e1.toReal(), type);
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20 }
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21 else if (e1.type.isimaginary())
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22 {
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23 e = new RealExp(loc, -e1.toImaginary(), type);
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24 }
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25 else if (e1.type.iscomplex())
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26 {
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27 Complex!(real) c = e1.toComplex();
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28 e = new ComplexExp(loc, Complex!(real)(-c.re, -c.im), type);
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29 }
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30 else
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31 e = new IntegerExp(loc, -e1.toInteger(), type);
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32
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33 return e;
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34 } |
