internal override void GenCode0(CodeGenContext context) { PERWAPI.CILLabel finalLabel = context.NewLabel(); int RescueTemp = context.CreateLocal("rescueTemp", PERWAPI.PrimitiveType.Object); context.ldnull(); context.stloc(RescueTemp); if (ensure != null) { context.StartBlock(Clause.Try); // outer try block with finally context.StartBlock(Clause.Try); // inner try block with catch } GenInnerBlock(context, RescueTemp); if (ensure != null) { context.Goto(finalLabel); PERWAPI.TryBlock innerTry = context.EndTryBlock(); context.StartBlock(Clause.Catch); GenRescue(context, null, 0, null); context.EndCatchBlock(Runtime.SystemExceptionRef, innerTry); PERWAPI.TryBlock outerTry = context.EndTryBlock(); // Fixme: reset labels to prevent branches out of finally block. context.StartBlock(Clause.Finally); ensure.GenCode(context); if (context.Reachable()) context.pop(); context.endfinally(); context.EndFinallyBlock(outerTry); context.CodeLabel(finalLabel); context.newEndPoint(location); } context.ldloc(RescueTemp); context.ReleaseLocal(RescueTemp, true); }
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 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 override void Defined(CodeGenContext context) { if (qualified) if (scope != null) { // object result; int result = context.CreateLocal("result", PrimitiveType.Object); PERWAPI.CILLabel endLabel = context.NewLabel(); // try { context.StartBlock(Clause.Try); { // result = Eval.const_defined(scope, vid, caller); scope.GenCode(context); context.ldstr(vid.ToString()); context.ldloc(0); context.call(Runtime.Eval.const_defined); context.stloc(result); context.leave(endLabel); } TryBlock block = context.EndTryBlock(); // catch (System.Exception) { context.StartBlock(Clause.Catch); { // result = null; context.ldnull(); context.stloc(result); context.leave(endLabel); } context.EndCatchBlock(Runtime.SystemExceptionRef, block); context.CodeLabel(endLabel); context.ldloc(result); context.ReleaseLocal(result, true); } else { context.ldsfld(Ruby.Compiler.Runtime.Init.rb_cObject); context.ldstr(vid.ToString()); context.ldloc(0); context.call(Runtime.Eval.const_defined); } else { context.ruby_cbase(parent_scope); context.ldstr(vid.ToString()); context.ldloc(0); context.call(Runtime.Eval.const_defined); } }
internal override void GenCode0(CodeGenContext context) { // ruby_class.undef_method(mid); context.newLine(location); context.ruby_class(parent_scope); context.ldstr(mid.ToString()); context.callvirt(Runtime.Class.undef_method); context.ldnull(); }
internal void LoadBlock0(CodeGenContext context) { if (context.HasArg(Runtime.ArgListRef)) { context.ldarg("args"); // args.block context.ldfld(Runtime.ArgList.block); } else if (context.HasArg(Runtime.ProcRef)) { context.ldarg("block"); } else context.ldnull(); }
private void GenInnerBlock(CodeGenContext context, int RescueTemp) { PERWAPI.CILLabel elseLabel = context.NewLabel(); Labels catchLabels = new Labels(); catchLabels.Break = context.labels.Break; catchLabels.Next = context.labels.Next; catchLabels.Redo = context.labels.Redo; catchLabels.Return = context.labels.Return; catchLabels.Retry = context.NewLabel(); context.CodeLabel(catchLabels.Retry); context.StartBlock(Clause.Try); { if (body != null) body.GenCode(context); else context.ldnull(); if (context.Reachable()) { context.stloc(RescueTemp); context.Goto(elseLabel); } } PERWAPI.TryBlock innerTry = context.EndTryBlock(); PERWAPI.CILLabel endLabel = context.NewLabel(); if (rescue != null) { context.StartBlock(Clause.Catch); { Labels original = context.labels; context.labels = catchLabels; GenRescue(context, endLabel, RescueTemp, rescue); context.labels = original; } context.EndCatchBlock(Runtime.SystemExceptionRef, innerTry); } context.CodeLabel(elseLabel); { if (_else != null) { _else.GenCode(context); if (context.Reachable()) context.stloc(RescueTemp); } } context.CodeLabel(endLabel); }
internal override void GenCode0(CodeGenContext context) { PERWAPI.CILLabel endLabel = context.NewLabel(); Node clause; if (target != null) { context.newLine(target.location); target.GenCode(context); LOCAL t = context.StoreInLocal("target", PrimitiveType.Object, location); for (clause = body; clause != null && clause is WHEN; clause = clause.nd_next) ((WHEN)clause).GenCode(context, t, endLabel); context.ReleaseLocal(t.local, true); } else { for (clause = body; clause != null && clause is WHEN; clause = clause.nd_next) { context.newLine(clause.location); ((WHEN)clause).GenCode(context, endLabel); } } if (clause != null) /* assume else clause */ clause.GenCode(context); else context.ldnull(); context.CodeLabel(endLabel); context.newEndPoint(location); }
internal override void GenCode0(CodeGenContext context) { context.newLine(location); if (return_val != null) return_val.GenCode(context); else context.ldnull(); if (this.parent_scope is BLOCK) { //throw new Ruby.ReturnException(return_value, this.defining_scope); context.ldarg(0); // current Ruby.MethodBody context.ldfld(Runtime.Block.defining_scope); context.newobj(Runtime.ReturnException.ctor); context.throwOp(); } else if (this.parent_scope is BEGIN) { //throw new Ruby.ReturnException(return_value, caller); context.ldarg("caller"); context.newobj(Runtime.ReturnException.ctor); context.throwOp(); } else { // return context.stloc(parent_scope.returnTemp); context.Goto(context.labels.Return); } }
internal override void GenCode0(CodeGenContext context) { context.newLine(location); if (return_val != null) return_val.GenCode(context); else context.ldnull(); context.stloc(parent_scope.returnTemp); if (context.labels != null && context.labels.Next != null) context.Goto(context.labels.Next); else context.Goto(context.labels.Return); }
internal override void GenCode0(CodeGenContext context) { context.newLine(location); if (return_val != null) return_val.GenCode(context); else context.ldnull(); if (context.labels != null && context.labels.Break != null) { context.stloc(parent_scope.returnTemp); context.Goto(context.labels.Break); } else { System.Diagnostics.Debug.Assert(this.parent_scope is BLOCK); //throw new Ruby.BreakException(return_value, this.defining_scope); context.ldarg(0); // current Ruby.MethodBody context.ldfld(Runtime.Block.defining_scope); context.newobj(Runtime.BreakException.ctor); context.throwOp(); } }
internal override void GenCode0(CodeGenContext context) { // String.ObjectToString(code, caller); if (code != null) code.GenCode(context); else context.ldnull(); context.ldloc(0); context.call(Runtime.String.ObjectAsString); }
public void GenSimple(CodeGenContext context) { context.ldnull(); }
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 void DefineMethod(CodeGenContext context) { // ... .define_method("MyMethod", MyMethod.singleton, arity, caller); context.ldstr(method_id.ToString()); context.ldsfld(GenerateClassForMethod(context)); context.ldc_i4(formals.arity); context.ldloc(0); context.callvirt(Runtime.Class.define_method); context.ldnull(); }
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 override void GenCode0(CodeGenContext context) { if (body != null) body.GenCode(context); else context.ldnull(); }
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; }