Mercurial > projects > ddmd
view dmd/StaticIfCondition.d @ 84:be2ab491772e
Expressions -> Vector!Expression
author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
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date | Mon, 30 Aug 2010 16:12:19 +0100 |
parents | 2e2a5c3f943a |
children | e28b18c23469 |
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module dmd.StaticIfCondition; import dmd.Expression; import dmd.ScopeDsymbol; import dmd.OutBuffer; import dmd.Loc; import dmd.Scope; import dmd.Condition; import dmd.HdrGenState; import dmd.WANT; import dmd.Util; class StaticIfCondition : Condition { Expression exp; this(Loc loc, Expression exp) { super(loc); this.exp = exp; } override Condition syntaxCopy() { return new StaticIfCondition(loc, exp.syntaxCopy()); } override bool include(Scope sc, ScopeDsymbol s) { static if (false) { printf("StaticIfCondition.include(sc = %p, s = %p)\n", sc, s); if (s) { printf("\ts = '%s', kind = %s\n", s.toChars(), s.kind()); } } if (inc == 0) { if (!sc) { error(loc, "static if conditional cannot be at global scope"); inc = 2; return 0; } sc = sc.push(sc.scopesym); sc.sd = s; // s gets any addMember() sc.flags |= SCOPE.SCOPEstaticif; Expression e = exp.semantic(sc); sc.pop(); e = e.optimize(WANTvalue | WANTinterpret); if (e.isBool(true)) inc = 1; else if (e.isBool(false)) inc = 2; else { e.error("expression %s is not constant or does not evaluate to a bool", e.toChars()); inc = 2; } } return (inc == 1); } override void toCBuffer(OutBuffer buf, HdrGenState* hgs) { assert(false); } }