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1 module dmd.FuncLiteralDeclaration;
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2
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3 import dmd.FuncDeclaration;
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4 import dmd.TOK;
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5 import dmd.Loc;
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6 import dmd.Type;
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7 import dmd.ForeachStatement;
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8 import dmd.OutBuffer;
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9 import dmd.HdrGenState;
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10 import dmd.Dsymbol;
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11 import dmd.STC;
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12 import dmd.Lexer;
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13
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14 class FuncLiteralDeclaration : FuncDeclaration
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15 {
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16 TOK tok; // TOKfunction or TOKdelegate
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17
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18 this(Loc loc, Loc endloc, Type type, TOK tok, ForeachStatement fes)
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19 {
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20 super(loc, endloc, null, STC.STCundefined, type);
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21
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22 string id;
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23
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24 if (fes)
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25 id = "__foreachbody";
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26 else if (tok == TOK.TOKdelegate)
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27 id = "__dgliteral";
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28 else
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29 id = "__funcliteral";
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30
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31 this.ident = Lexer.uniqueId(id);
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32 this.tok = tok;
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33 this.fes = fes;
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34
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35 //printf("FuncLiteralDeclaration() id = '%s', type = '%s'\n", this->ident->toChars(), type->toChars());
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36 }
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37
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72
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38 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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39 {
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40 assert(false);
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41 }
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42
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72
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43 override Dsymbol syntaxCopy(Dsymbol s)
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44 {
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56
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45 FuncLiteralDeclaration f;
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46
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47 //printf("FuncLiteralDeclaration.syntaxCopy('%s')\n", toChars());
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48 if (s)
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49 f = cast(FuncLiteralDeclaration)s;
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50 else
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51 {
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52 f = new FuncLiteralDeclaration(loc, endloc, type.syntaxCopy(), tok, fes);
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53 f.ident = ident; // keep old identifier
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54 }
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55 FuncDeclaration.syntaxCopy(f);
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56 return f;
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57 }
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58
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72
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59 override bool isNested()
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60 {
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61 //printf("FuncLiteralDeclaration::isNested() '%s'\n", toChars());
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62 return (tok == TOK.TOKdelegate);
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63 }
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64
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72
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65 override bool isVirtual()
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66 {
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67 return false;
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68 }
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69
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72
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70 override FuncLiteralDeclaration isFuncLiteralDeclaration() { return this; }
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71
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72
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72 override string kind()
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73 {
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74 return (tok == TOKdelegate) ? "delegate" : "function";
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75 }
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72
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76 }
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