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annotate dmd/CompileStatement.d @ 135:af1bebfd96a4 dmd2037

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dmd 2.038
author Eldar Insafutdinov <e.insafutdinov@gmail.com>
date Mon, 13 Sep 2010 22:19:42 +0100
parents c77e9f4f1793
children e3afd1303184
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1 module dmd.CompileStatement;
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3 import dmd.common;
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4 import dmd.Statement;
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5 import dmd.Expression;
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6 import dmd.Loc;
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7 import dmd.Scope;
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8 import dmd.OutBuffer;
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9 import dmd.HdrGenState;
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10 import dmd.ArrayTypes;
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11 import dmd.TOK;
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12 import dmd.WANT;
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13 import dmd.ParseStatementFlags;
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14 import dmd.Parser;
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15 import dmd.CompoundStatement;
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16 import dmd.StringExp;
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17
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18 class CompileStatement : Statement
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19 {
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20 Expression exp;
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22 this(Loc loc, Expression exp)
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23 {
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24 super(loc);
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25 this.exp = exp;
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26 }
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27
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28 override Statement syntaxCopy()
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29 {
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30 Expression e = exp.syntaxCopy();
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31 CompileStatement es = new CompileStatement(loc, e);
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32 return es;
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33 }
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35 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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36 {
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37 buf.writestring("mixin(");
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38 exp.toCBuffer(buf, hgs);
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39 buf.writestring(");");
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40 if (!hgs.FLinit.init)
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41 buf.writenl();
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42 }
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44 override Statements flatten(Scope sc)
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45 {
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46 //printf("CompileStatement::flatten() %s\n", exp->toChars());
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47 exp = exp.semantic(sc);
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48 exp = resolveProperties(sc, exp);
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49 exp = exp.optimize(WANT.WANTvalue | WANT.WANTinterpret);
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50 if (exp.op != TOK.TOKstring)
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51 { error("argument to mixin must be a string, not (%s)", exp.toChars());
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52 return null;
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53 }
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54 StringExp se = cast(StringExp)exp;
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55 se = se.toUTF8(sc);
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56 Parser p = new Parser(sc.module_, cast(ubyte *)se.string_, se.len, 0);
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57 p.loc = loc;
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58 p.nextToken();
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60 Statements a = new Statements();
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61 while (p.token.value != TOK.TOKeof)
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62 {
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63 Statement s = p.parseStatement(ParseStatementFlags.PSsemi | ParseStatementFlags.PScurlyscope);
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64 a.push(s);
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65 }
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66 return a;
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67 }
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69 override Statement semantic(Scope sc)
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70 {
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71 //printf("CompileStatement::semantic() %s\n", exp->toChars());
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72 Statements a = flatten(sc);
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73 if (!a)
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74 return null;
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75 Statement s = new CompoundStatement(loc, a);
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76 return s.semantic(sc);
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77 }
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78 }