/// <summary> /// Emits 'for' statement on current IL stream. /// </summary> /// <param name="il">IL generator to be emitted to.</param> /// <param name="count">'count' local variable which is <see cref="Int32"/> type and holds maximum loop count.</param> /// <param name="bodyEmitter">Delegate to emit for statement body.</param> public static void EmitFor( TracingILGenerator il, LocalBuilder count, Action<TracingILGenerator, LocalBuilder> bodyEmitter ) { Contract.Requires( il != null ); Contract.Requires( count != null ); Contract.Requires( bodyEmitter != null ); var i = il.DeclareLocal( typeof( int ), "i" ); il.EmitLdc_I4_0(); il.EmitAnyStloc( i ); var forCond = il.DefineLabel( "FOR_COND" ); il.EmitBr( forCond ); var body = il.DefineLabel( "BODY" ); il.MarkLabel( body ); bodyEmitter( il, i ); // increment il.EmitAnyLdloc( i ); il.EmitLdc_I4_1(); il.EmitAdd(); il.EmitAnyStloc( i ); // cond il.MarkLabel( forCond ); il.EmitAnyLdloc( i ); il.EmitAnyLdloc( count ); il.EmitBlt( body ); }