Mercurial > projects > ddmd
view dmd/StaticAssert.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 | af1bebfd96a4 |
children | b0d41ff5e0df |
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module dmd.StaticAssert; import dmd.common; import dmd.Dsymbol; import dmd.Expression; import dmd.OutBuffer; import dmd.HdrGenState; import dmd.ScopeDsymbol; import dmd.Loc; import dmd.Scope; import dmd.Id; import dmd.WANT; import dmd.Global; import dmd.Util; class StaticAssert : Dsymbol { Expression exp; Expression msg; this(Loc loc, Expression exp, Expression msg) { register(); super(Id.empty); this.loc = loc; this.exp = exp; this.msg = msg; } override Dsymbol syntaxCopy(Dsymbol s) { StaticAssert sa; assert(!s); sa = new StaticAssert(loc, exp.syntaxCopy(), msg ? msg.syntaxCopy() : null); return sa; } override bool addMember(Scope sc, ScopeDsymbol sd, bool memnum) { return false; // we didn't add anything } override void semantic(Scope sc) { } override void semantic2(Scope sc) { Expression e; //printf("StaticAssert::semantic2() %s\n", toChars()); e = exp.semantic(sc); e = e.optimize(WANT.WANTvalue | WANT.WANTinterpret); if (e.isBool(false)) { if (msg) { HdrGenState hgs; scope OutBuffer buf = new OutBuffer(); msg = msg.semantic(sc); msg = msg.optimize(WANT.WANTvalue | WANT.WANTinterpret); hgs.console = 1; msg.toCBuffer(buf, &hgs); error("%s", buf.toChars()); } else error("(%s) is false", exp.toChars()); if (sc.tinst) sc.tinst.printInstantiationTrace(); if (!global.gag) fatal(); } else if (!e.isBool(true)) { error("(%s) is not evaluatable at compile time", exp.toChars()); } } override void inlineScan() { } override bool oneMember(Dsymbol* ps) { //printf("StaticAssert.oneMember())\n"); *ps = null; return true; } override void toObjFile(int multiobj) { } override string kind() { return "static assert"; } override void toCBuffer(OutBuffer buf, HdrGenState* hgs) { buf.writestring(kind()); buf.writeByte('('); exp.toCBuffer(buf, hgs); if (msg) { buf.writeByte(','); msg.toCBuffer(buf, hgs); } buf.writestring(");"); buf.writenl(); } }