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1 module dmd.type.Util;
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2
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3 import dmd.common;
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4 import dmd.TY;
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5 import dmd.Expression;
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6 import dmd.Scope;
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7 import dmd.Type;
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8 import dmd.TupleDeclaration;
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9 import dmd.TypeTuple;
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10 import dmd.ScopeDsymbol;
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11 import dmd.ArrayScopeSymbol;
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12
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13 /**************************
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14 * This evaluates exp while setting length to be the number
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15 * of elements in the tuple t.
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16 */
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17 Expression semanticLength(Scope sc, Type t, Expression exp)
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18 {
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19 if (t.ty == TY.Ttuple)
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20 {
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21 ScopeDsymbol sym = new ArrayScopeSymbol(sc, cast(TypeTuple)t);
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22 sym.parent = sc.scopesym;
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23 sc = sc.push(sym);
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24
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25 exp = exp.semantic(sc);
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26
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27 sc.pop();
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28 }
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29 else
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30 exp = exp.semantic(sc);
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31
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32 return exp;
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33 }
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34
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35 Expression semanticLength(Scope sc, TupleDeclaration s, Expression exp)
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36 {
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37 assert(false);
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38
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39 ScopeDsymbol sym = new ArrayScopeSymbol(sc, s);
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40 sym.parent = sc.scopesym;
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41 sc = sc.push(sym);
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42
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43 exp = exp.semantic(sc);
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44
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45 sc.pop();
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46 return exp;
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47 } |
