public static object Step(RubyContext /*!*/ context, BlockParam block, Range /*!*/ self, object step) { // We attempt to cast step to Fixnum here even though if we were iterating over Floats, for instance, we use step as is. // This prevents cases such as (1.0..2.0).step(0x800000000000000) {|x| x } from working but that is what MRI does. int intStep = Protocols.CastToFixnum(context, step); if (self.Begin is int && self.End is int) { // self.begin is Fixnum; directly call item = item + 1 instead of succ return(StepFixnum(context, block, self, (int)self.Begin, (int)self.End, intStep)); } else if (self.Begin is MutableString) { // self.begin is String; use item.succ and item <=> self.end but make sure you check the length of the strings return(StepString(context, block, self, (MutableString)self.Begin, (MutableString)self.End, intStep)); } else if (context.IsInstanceOf(self.Begin, context.GetClass(typeof(Numeric)))) { // self.begin is Numeric; invoke item = item + 1 instead of succ and invoke < or <= for compare return(StepNumeric(context, block, self, self.Begin, self.End, step)); } else { // self.begin is not Numeric or String; just invoke item.succ and item <=> self.end CheckBegin(context, self.Begin); return(StepObject(context, block, self, self.Begin, self.End, intStep)); } }
public static object Step(RubyContext/*!*/ context, BlockParam block, Range/*!*/ self, object step) { // We attempt to cast step to Fixnum here even though if we were iterating over Floats, for instance, we use step as is. // This prevents cases such as (1.0..2.0).step(0x800000000000000) {|x| x } from working but that is what MRI does. int intStep = Protocols.CastToFixnum(context, step); if (self.Begin is int && self.End is int) { // self.begin is Fixnum; directly call item = item + 1 instead of succ return StepFixnum(context, block, self, (int)self.Begin, (int)self.End, intStep); } else if ( self.Begin is MutableString ) { // self.begin is String; use item.succ and item <=> self.end but make sure you check the length of the strings return StepString(context, block, self, (MutableString)self.Begin, (MutableString)self.End, intStep); } else if (context.IsInstanceOf(self.Begin, context.GetClass(typeof(Numeric)))) { // self.begin is Numeric; invoke item = item + 1 instead of succ and invoke < or <= for compare return StepNumeric(context, block, self, self.Begin, self.End, step); } else { // self.begin is not Numeric or String; just invoke item.succ and item <=> self.end CheckBegin(context, self.Begin); return StepObject(context, block, self, self.Begin, self.End, intStep); } }
public static object Step( ConversionStorage<MutableString>/*!*/ stringCast, ConversionStorage<int>/*!*/ fixnumCast, RespondToStorage/*!*/ respondToStorage, BinaryOpStorage/*!*/ comparisonStorage, BinaryOpStorage/*!*/ lessThanStorage, BinaryOpStorage/*!*/ lessThanEqualsStorage, BinaryOpStorage/*!*/ greaterThanStorage, BinaryOpStorage/*!*/ equalsStorage, BinaryOpStorage/*!*/ addStorage, UnaryOpStorage/*!*/ succStorage, RubyContext/*!*/ context, BlockParam block, Range/*!*/ self, [Optional]object step) { if (step == Missing.Value) { step = ScriptingRuntimeHelpers.Int32ToObject(1); } // We attempt to cast step to Fixnum here even though if we were iterating over Floats, for instance, we use step as is. // This prevents cases such as (1.0..2.0).step(0x800000000000000) {|x| x } from working but that is what MRI does. if (self.Begin is int && self.End is int) { // self.begin is Fixnum; directly call item = item + 1 instead of succ int intStep = Protocols.CastToFixnum(fixnumCast, context, step); return StepFixnum(context, block, self, (int)self.Begin, (int)self.End, intStep); } else if (self.Begin is MutableString ) { // self.begin is String; use item.succ and item <=> self.end but make sure you check the length of the strings int intStep = Protocols.CastToFixnum(fixnumCast, context, step); return StepString(stringCast, comparisonStorage, lessThanStorage, greaterThanStorage, succStorage, context, block, self, (MutableString)self.Begin, (MutableString)self.End, intStep ); } else if (context.IsInstanceOf(self.Begin, context.GetClass(typeof(Numeric)))) { // self.begin is Numeric; invoke item = item + 1 instead of succ and invoke < or <= for compare return StepNumeric(lessThanStorage, lessThanEqualsStorage, equalsStorage, addStorage, context, block, self, self.Begin, self.End, step ); } else { // self.begin is not Numeric or String; just invoke item.succ and item <=> self.end CheckBegin(respondToStorage, context, self.Begin); int intStep = Protocols.CastToFixnum(fixnumCast, context, step); return StepObject(comparisonStorage, lessThanStorage, greaterThanStorage, equalsStorage, succStorage, context, block, self, self.Begin, self.End, intStep ); } }