internal override void GenCode0(CodeGenContext context) { PERWAPI.CILLabel elseLabel = context.NewLabel(); PERWAPI.CILLabel endLabel = context.NewLabel(); // if (Eval.Test(cond)) cond.GenCode(context); context.call(Runtime.Eval.Test); context.brfalse(elseLabel); body.GenCode(context); context.br(endLabel); context.CodeLabel(elseLabel); _else.GenCode(context); context.CodeLabel(endLabel); }
internal override void GenCode0(CodeGenContext context) { PERWAPI.CILLabel elseLabel = context.NewLabel(); PERWAPI.CILLabel endLabel = context.NewLabel(); // if (Eval.Test(cond)) context.newLine(cond.location); cond.GenCode(context); context.call(Runtime.Eval.Test); context.brfalse(elseLabel); if (body != null) { context.newStartPoint(body.location); body.GenCode(context); } else context.ldnull(); if (context.Reachable()) context.br(endLabel); context.CodeLabel(elseLabel); if (_else != null) { context.newStartPoint(_else.location); _else.GenCode(context); } else context.ldnull(); context.CodeLabel(endLabel); context.newEndPoint(location); }
internal override void Defined(CodeGenContext context) { CILLabel endLabel = context.NewLabel(); context.ldloc(0); context.call(Runtime.Frame.get_Tilde); context.dup(); context.brfalse(endLabel); context.ldc_i4(nth); context.callvirt(Runtime.Match.defined_nth); context.CodeLabel(endLabel); }
internal override void GenCode0(CodeGenContext context) { context.ldloc(0); context.call(Runtime.Frame.get_Tilde); PERWAPI.CILLabel label1 = context.NewLabel(); context.brfalse(label1); context.ldloc(0); context.call(Runtime.Frame.get_Tilde); context.ldloc(0); switch (ch) { case '&': context.callvirt(Runtime.Match.last_match); break; case '`': context.callvirt(Runtime.Match.match_pre); break; case '\'': context.callvirt(Runtime.Match.match_post); break; case '+': context.callvirt(Runtime.Match.match_last); break; default: throw new NotImplementedException("BACK_REF $" + ch); } PERWAPI.CILLabel label2 = context.NewLabel(); context.br(label2); context.CodeLabel(label1); context.ldnull(); context.CodeLabel(label2); }
internal void GenCode(CodeGenContext context, PERWAPI.CILLabel endLabel, int RescueTemp, int exception) { for (RESCUE_CLAUSE clause = this; clause != null; clause = clause.next) { PERWAPI.CILLabel nextClause = context.NewLabel(); PERWAPI.CILLabel thisClause = context.NewLabel(); context.ldc_i4(0); LOCAL exceptionCaught = context.StoreInLocal("caught", PERWAPI.PrimitiveType.Boolean, this.location); for (Node type = clause.types; type != null; type = type.nd_next) { PERWAPI.CILLabel label1 = context.NewLabel(); // Precompute each separately to avoid computing a list of types type.GenCode0(context); LOCAL tt = context.StoreInLocal("type", PERWAPI.PrimitiveType.Object, type.location); new METHOD_CALL(tt, ID.intern(Tokens.tEQQ), new AST.LOCAL(exception, type.location), type.location).GenCode(context); context.ReleaseLocal(tt.local, true); context.call(Runtime.Eval.Test); context.brfalse(label1); context.PushTrue(); context.stloc(exceptionCaught.local); context.CodeLabel(label1); } context.ldloc(exceptionCaught.local); context.brtrue(thisClause); context.ReleaseLocal(exceptionCaught.local, true); context.br(nextClause); context.CodeLabel(thisClause); if (clause.var != null) { clause.var.Assign(context, new AST.LOCAL(exception, clause.var.location)); context.pop(); } if (clause.body != null) clause.body.GenCode(context); else context.ldnull(); if (context.Reachable()) context.stloc(RescueTemp); // reset $! //Eval.ruby_errinfo.value = null; context.ldsfld(Runtime.Eval.ruby_errinfo); context.ldnull(); context.stfld(Runtime.global_variable.value); context.Goto(endLabel); context.CodeLabel(nextClause); } }
internal void GenRescue(CodeGenContext context, PERWAPI.CILLabel endLabel, int RescueTemp, RESCUE_CLAUSE clauses) { // catch (System.Exception e) { int e = context.StoreInTemp("e", Runtime.SystemExceptionRef, location); //if (e is Ruby.ControlException) PERWAPI.CILLabel else1 = context.NewLabel(); context.ldloc(e); context.isinst(Runtime.ControlExceptionRef); context.brfalse(else1); // throw e; context.rethrow(); context.CodeLabel(else1); // Ruby.Exception exception; int exception = context.CreateLocal("exception", Runtime.ExceptionRef); //if (!(e is Ruby.RubyException)) PERWAPI.CILLabel else2 = context.NewLabel(); PERWAPI.CILLabel end = context.NewLabel(); context.ldloc(e); context.isinst(Runtime.RubyExceptionRef); context.brtrue(else2); // exception = new Ruby.CLRException(frame, e); context.ldloc(0); context.ldloc(e); context.newobj(Runtime.CLRException.ctor); context.stloc(exception); context.br(end); //else context.CodeLabel(else2); // exception = (Ruby.RubyException)e.parent; context.ldloc(e); context.cast(Runtime.RubyExceptionRef); context.ldfld(Runtime.RubyException.parent); context.stloc(exception); context.CodeLabel(end); //Eval.ruby_errinfo.value = exception; context.ldsfld(Runtime.Eval.ruby_errinfo); context.ldloc(exception); context.stfld(Runtime.global_variable.value); if (clauses != null) clauses.GenCode(context, endLabel, RescueTemp, exception); context.rethrow(); context.ReleaseLocal(e, true); context.ReleaseLocal(exception, true); }
internal override void Defined(CodeGenContext context) { PERWAPI.CILLabel undefined_label = context.NewLabel(); PERWAPI.CILLabel end_label = context.NewLabel(); for (Node arg = parameters; arg != null; arg = arg.nd_next) { arg.Defined(context); context.brfalse(undefined_label); } if (array != null) { array.Defined(context); context.brfalse(undefined_label); } if (hashlist != null) { hashlist.Defined(context); context.brfalse(undefined_label); } if (block != null) { block.Defined(context); context.brfalse(undefined_label); } context.PushTrue(); context.box(PrimitiveType.Boolean); if (!IsEmpty) { context.br(end_label); context.CodeLabel(undefined_label); context.PushFalse(); context.box(PrimitiveType.Boolean); context.CodeLabel(end_label); } }
internal void GenCode(CodeGenContext context, PERWAPI.CILLabel endLabel) { PERWAPI.CILLabel elseLabel = context.NewLabel(); context.newLine(comparison.location); // if (comparision.ToRubyArray().includes(true, caller)) bool created; ISimple list = comparison.GenArgList(context, out created); list.GenSimple(context); context.ReleaseLocal(list, created); context.callvirt(Runtime.ArgList.ToRubyArray); new TRUE(comparison.location).GenCode(context); context.ldloc(0); context.callvirt(Runtime.Array.includes); context.brfalse(elseLabel); if (body != null) { context.newStartPoint(body.location); body.GenCode(context); } else context.ldnull(); context.br(endLabel); context.CodeLabel(elseLabel); }
internal override void GenCode0(CodeGenContext context) { Labels original = context.labels; // ---------------- Create new label context for loop ---------------------- context.labels = new Labels(); context.labels.Next = context.NewLabel(); context.labels.Break = context.NewLabel(); context.labels.Redo = context.NewLabel(); context.labels.Retry = context.NewLabel(); context.labels.Return = original.Return; context.CodeLabel(context.labels.Retry); context.newStartPoint(location); context.ldnull(); context.stloc(parent_scope.returnTemp); context.CodeLabel(context.labels.Redo); if (body != null) { body.GenCode(context); if (context.Reachable()) context.pop(); } context.CodeLabel(context.labels.Next); // if (Eval.Test(cond)) context.newLine(cond.location); cond.GenCode(context); context.call(Runtime.Eval.Test); if (whileTrue) context.brtrue(context.labels.Retry); else context.brfalse(context.labels.Retry); context.CodeLabel(context.labels.Break); context.newEndPoint(location); context.ldloc(parent_scope.returnTemp); // --------------------- Restore Label context ------------------------- context.labels = original; }