Mercurial > projects > ddmd
view dmd/ConditionalStatement.d @ 178:e3afd1303184
Many small bugs fixed
Made all classes derive from TObject to detect memory leaks (functionality is disabled for now)
Began work on overriding backend memory allocations (to avoid memory leaks)
author | korDen |
---|---|
date | Sun, 17 Oct 2010 07:42:00 +0400 |
parents | c77e9f4f1793 |
children | b0d41ff5e0df |
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module dmd.ConditionalStatement; import dmd.common; import dmd.Statement; import dmd.Condition; import dmd.Loc; import dmd.OutBuffer; import dmd.Scope; import dmd.HdrGenState; import dmd.ArrayTypes; import dmd.BE; class ConditionalStatement : Statement { Condition condition; Statement ifbody; Statement elsebody; this(Loc loc, Condition condition, Statement ifbody, Statement elsebody) { register(); super(loc); this.condition = condition; this.ifbody = ifbody; this.elsebody = elsebody; } override Statement syntaxCopy() { Statement e = null; if (elsebody) e = elsebody.syntaxCopy(); ConditionalStatement s = new ConditionalStatement(loc, condition.syntaxCopy(), ifbody.syntaxCopy(), e); return s; } override Statement semantic(Scope sc) { //printf("ConditionalStatement.semantic()\n"); // If we can short-circuit evaluate the if statement, don't do the // semantic analysis of the skipped code. // This feature allows a limited form of conditional compilation. if (condition.include(sc, null)) { ifbody = ifbody.semantic(sc); return ifbody; } else { if (elsebody) elsebody = elsebody.semantic(sc); return elsebody; } } override Statements flatten(Scope sc) { Statement s; if (condition.include(sc, null)) s = ifbody; else s = elsebody; auto a = new Statements(); a.push(s); return a; } override bool usesEH() { assert(false); } override BE blockExit() { assert(false); } override void toCBuffer(OutBuffer buf, HdrGenState* hgs) { assert(false); } }