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C# CodeGenerator.EmitConvert方法代码示例

本文整理汇总了C#中Pchp.CodeAnalysis.CodeGen.CodeGenerator.EmitConvert方法的典型用法代码示例。如果您正苦于以下问题：C# CodeGenerator.EmitConvert方法的具体用法？C# CodeGenerator.EmitConvert怎么用？C# CodeGenerator.EmitConvert使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Pchp.CodeAnalysis.CodeGen.CodeGenerator的用法示例。


在下文中一共展示了CodeGenerator.EmitConvert方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Generate

        internal override void Generate(CodeGenerator cg)
        {
            Contract.ThrowIfNull(Condition);

            if (IsLoop) // perf
            {
                cg.Builder.EmitBranch(ILOpCode.Br, this.Condition);

                // {
                cg.GenerateScope(TrueTarget, NextBlock.Ordinal);
                // }

                // if (Condition)
                cg.EmitSequencePoint(this.Condition.PhpSyntax);
                cg.Builder.MarkLabel(this.Condition);
                cg.EmitConvert(this.Condition, cg.CoreTypes.Boolean);
                cg.Builder.EmitBranch(ILOpCode.Brtrue, TrueTarget);
            }
            else
            {
                // if (Condition)
                cg.EmitSequencePoint(this.Condition.PhpSyntax);
                cg.EmitConvert(this.Condition, cg.CoreTypes.Boolean);
                cg.Builder.EmitBranch(ILOpCode.Brfalse, FalseTarget);

                // {
                cg.GenerateScope(TrueTarget, NextBlock.Ordinal);
                // }
            }

            cg.Scope.ContinueWith(FalseTarget);
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:32，代码来源:BoundEdge.cs

示例2: EmitInit

 internal void EmitInit(CodeGenerator cg)
 {
     var fldplace = new FieldPlace(IsStatic ? null : new ArgPlace(ContainingType, 0), this);
     
     if (this.Initializer != null)
     {
         // fld = <initializer>
         fldplace.EmitStorePrepare(cg.Builder);
         cg.EmitConvert(this.Initializer, this.Type);
         fldplace.EmitStore(cg.Builder);
     }
     else
     {
         // fld = default(type)
         cg.EmitInitializePlace(fldplace);
     }
 }
开发者ID:iolevel，项目名称:peachpie，代码行数:17，代码来源:SourceFieldSymbol.cs

示例3: EmitClassName

 /// <summary>
 /// Emits name of bound type.
 /// </summary>
 /// <param name="cg"></param>
 internal void EmitClassName(CodeGenerator cg)
 {
     if (TypeExpression != null)
     {
         cg.EmitConvert(TypeExpression, cg.CoreTypes.String);
     }
     else
     {
         if (_typeRef is PrimitiveTypeRef)
         {
             throw new InvalidOperationException();
         }
         else if (_typeRef is TranslatedTypeRef || _typeRef is ClassTypeRef)
         {
             var classname = ((INamedTypeRef)_typeRef).ClassName;
             cg.Builder.EmitStringConstant(classname.ToString());
         }
         else
         {
             throw Roslyn.Utilities.ExceptionUtilities.UnexpectedValue(_typeRef);
         }
     }
 }
开发者ID:iolevel，项目名称:peachpie，代码行数:27，代码来源:BoundTypeRef.cs

示例4: Emit

        internal override void Emit(CodeGenerator cg)
        {
            cg.EmitSequencePoint(this.PhpSyntax);

            var rtype = cg.Routine.ReturnType;
            var rvoid = rtype.SpecialType == SpecialType.System_Void;

            //
            if (this.Returned == null)
            {
                if (rvoid)
                {
                    // <void>
                }
                else
                {
                    // <default>
                    cg.EmitLoadDefault(rtype, cg.Routine.ResultTypeMask);
                }
            }
            else
            {
                if (rvoid)
                {
                    // <expr>;
                    cg.EmitPop(this.Returned.Emit(cg));
                }
                else
                {
                    // return (T)<expr>;
                    cg.EmitConvert(this.Returned, rtype);
                }
            }

            // .ret
            cg.EmitRet(rtype);
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:37，代码来源:BoundStatement.cs

示例5: EmitCallsiteCall

        internal override TypeSymbol EmitCallsiteCall(CodeGenerator cg)
        {
            if (_name.IsDirect)
            {
                return base.EmitCallsiteCall(cg);
            }
            else
            {
                Debug.Assert(_name.NameExpression != null);

                // faster to emit PhpCallback.Invoke

                // NameExpression.AsCallback().Invoke(Context, PhpValue[])

                cg.EmitConvert(_name.NameExpression, cg.CoreTypes.IPhpCallable);    // (IPhpCallable)Name
                cg.EmitLoadContext();       // Context
                cg.Emit_NewArray(cg.CoreTypes.PhpValue, _arguments.Select(a => a.Value).ToArray()); // PhpValue[]

                return cg.EmitCall(ILOpCode.Callvirt, cg.CoreTypes.IPhpCallable.Symbol.LookupMember<MethodSymbol>("Invoke"));
            }
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:21，代码来源:BoundExpression.cs

示例6: EmitBinaryXor

        /// <summary>
        /// Emits binary operation XOR.
        /// </summary>
        TypeSymbol EmitBinaryXor(CodeGenerator cg)
        {
            // LOAD <(bool) leftSon> == <(bool) rightSon>;
            cg.EmitConvert(Left, cg.CoreTypes.Boolean);
            cg.EmitConvert(Right, cg.CoreTypes.Boolean);
            cg.EmitOpCode(ILOpCode.Ceq);

            cg.EmitOpCode(ILOpCode.Ldc_i4_0);
            cg.EmitOpCode(ILOpCode.Ceq);

            return cg.CoreTypes.Boolean;
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:15，代码来源:BoundExpression.cs

示例7: EmitBitOr

        internal static TypeSymbol EmitBitOr(CodeGenerator cg, TypeSymbol xtype, BoundExpression right)
        {
            switch (xtype.SpecialType)
            {
                case SpecialType.System_Void:
                case SpecialType.System_Int32:
                case SpecialType.System_Boolean:
                case SpecialType.System_Double:
                    cg.EmitConvert(xtype, 0, cg.CoreTypes.Long);
                    goto case SpecialType.System_Int64;

                case SpecialType.System_Int64:
                    cg.EmitConvert(right, cg.CoreTypes.Long);
                    cg.Builder.EmitOpCode(ILOpCode.Or);
                    return cg.CoreTypes.Long;

                case SpecialType.System_String:
                    throw new NotImplementedException();    // string | string or string | long

                default:
                    if (right.ResultType != null && right.ResultType.SpecialType != SpecialType.System_String)
                    {
                        // value | !string -> long | long -> long
                        cg.EmitConvert(xtype, 0, cg.CoreTypes.Long);
                        goto case SpecialType.System_Int64;
                    }

                    cg.EmitConvert(xtype, 0, cg.CoreTypes.PhpValue);
                    cg.EmitConvert(right, cg.CoreTypes.PhpValue);
                    return cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.BitwiseOr_PhpValue_PhpValue)
                        .Expect(cg.CoreTypes.PhpValue);
            }
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:33，代码来源:BoundExpression.cs

示例8: Emit

 internal override TypeSymbol Emit(CodeGenerator cg)
 {
     cg.EmitConvert(this.Variable, cg.CoreTypes.PhpValue);
     return cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.IsEmpty_PhpValue)
         .Expect(SpecialType.System_Boolean);
 }
开发者ID:iolevel，项目名称:peachpie，代码行数:6，代码来源:BoundExpression.cs

示例9: EmitStore

        public void EmitStore(CodeGenerator cg, TypeSymbol valueType)
        {
            var type = _place.TypeOpt;

            // Write Ref
            if (_access.IsWriteRef)
            {
                if (valueType != cg.CoreTypes.PhpAlias)
                {
                    Debug.Assert(false, "caller should get aliased value");
                    cg.EmitConvertToPhpValue(valueType, 0);
                    valueType = cg.Emit_PhpValue_MakeAlias();
                }

                //
                if (type == cg.CoreTypes.PhpAlias)
                {
                    // <place> = <alias>
                    _place.EmitStore(cg.Builder);
                }
                else if (type == cg.CoreTypes.PhpValue)
                {
                    // <place> = PhpValue.Create(<alias>)
                    cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpValue.Create_PhpAlias);
                    _place.EmitStore(cg.Builder);
                }
                else
                {
                    Debug.Assert(false, "Assigning alias to non-aliasable variable.");
                    cg.EmitConvert(valueType, 0, type);
                    _place.EmitStore(cg.Builder);
                }
            }
            else if (_access.IsUnset)
            {
                Debug.Assert(valueType == null);

                // <place> =

                if (type == cg.CoreTypes.PhpAlias)
                {
                    // new PhpAlias(void)
                    cg.Emit_PhpValue_Void();
                    cg.Emit_PhpValue_MakeAlias();
                }
                else if (type.IsReferenceType)
                {
                    // null
                    cg.Builder.EmitNullConstant();
                }
                else
                {
                    // default(T)
                    cg.EmitLoadDefaultOfValueType(type);
                }

                _place.EmitStore(cg.Builder);
            }
            else
            {
                //
                if (type == cg.CoreTypes.PhpAlias)
                {
                    // <place>.Value = <value>
                    cg.EmitConvertToPhpValue(valueType, 0);
                    cg.Emit_PhpAlias_SetValue();
                }
                else if (type == cg.CoreTypes.PhpValue)
                {
                    if (_thint.IsRef)
                    {
                        // Operators.SetValue(ref <place>, (PhpValue)<value>);
                        cg.EmitConvertToPhpValue(valueType, 0);
                        cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.SetValue_PhpValueRef_PhpValue);
                    }
                    else
                    {
                        // <place> = <value>
                        cg.EmitConvertToPhpValue(valueType, 0);
                        _place.EmitStore(cg.Builder);
                    }
                }
                else
                {
                    cg.EmitConvert(valueType, 0, type);
                    _place.EmitStore(cg.Builder);
                }
            }
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:89，代码来源:Places.cs

示例10: EmitName

        /// <summary>
        /// Emits name as string, uses cached variable.
        /// </summary>
        void EmitName(CodeGenerator cg, BoundExpression name)
        {
            Contract.ThrowIfNull(cg);
            Contract.ThrowIfNull(name);

            if (_name_loc != null)
            {
                cg.Builder.EmitLocalLoad(_name_loc);
            }
            else
            {
                _cg = cg;

                // return (<loc> = <name>)
                _name_loc = cg.GetTemporaryLocal(cg.CoreTypes.String);
                cg.EmitConvert(name, cg.CoreTypes.String);
                cg.Builder.EmitOpCode(ILOpCode.Dup);
                cg.Builder.EmitLocalStore(_name_loc);
            }
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:23，代码来源:Places.cs

示例11: EmitLoad

        public TypeSymbol EmitLoad(CodeGenerator cg)
        {
            // resolve actual return type
            TypeSymbol return_type;
            if (Access.EnsureObject) return_type = cg.CoreTypes.Object;
            else if (Access.EnsureArray) return_type = cg.CoreTypes.IPhpArray;
            else if (Access.IsReadRef) return_type = cg.CoreTypes.PhpAlias;
            else return_type = Access.TargetType ?? cg.CoreTypes.PhpValue;

            var args = new List<TypeSymbol>();

            // NameExpression in case of indirect call
            if (!_name.IsDirect)
            {
                cg.EmitConvert(_name.NameExpression, cg.CoreTypes.String);
                args.Add(cg.CoreTypes.String);
            }

            // Target()
            var functype = cg.Factory.GetCallSiteDelegateType(
                cg.CoreTypes.PhpTypeInfo, RefKind.None,
                args.AsImmutable(),
                default(ImmutableArray<RefKind>),
                null,
                return_type);


            cg.EmitCall(ILOpCode.Callvirt, functype.DelegateInvokeMethod);

            if (_boundref.IsClassConstant)
            {
                throw new NotImplementedException();
            }

            //
            _lazyLoadCallSite.Construct(functype, cctor =>
            {
                // new GetFieldBinder(field_name, context, return, flags)   // TODO: class constants
                cctor.Builder.EmitStringConstant(this.NameValueOpt);
                cctor.EmitLoadToken(cg.Routine.ContainingType, null);
                cctor.EmitLoadToken(return_type, null);
                cctor.Builder.EmitIntConstant((int)Access.AccessFlags);
                cctor.EmitCall(ILOpCode.Newobj, cg.CoreMethods.Dynamic.GetFieldBinder_ctor);
            });

            //
            return return_type;
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:48，代码来源:Places.cs

示例12: EmitStorePrepare

        public void EmitStorePrepare(CodeGenerator cg, InstanceCacheHolder instanceOpt = null)
        {
            if (_lazyStoreCallSite == null)
                _lazyStoreCallSite = cg.Factory.StartCallSite("set_" + this.NameValueOpt);

            // callsite.Target callsite
            _lazyStoreCallSite.EmitLoadTarget(cg.Builder);
            _lazyStoreCallSite.Place.EmitLoad(cg.Builder);

            // instance
            InstanceCacheHolder.EmitInstance(instanceOpt, cg, Instance);

            // NameExpression in case of indirect call
            if (!_name.IsDirect)
            {
                cg.EmitConvert(_name.NameExpression, cg.CoreTypes.String);
            }
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:18，代码来源:Places.cs

示例13: EmitLtGt

        /// <summary>
        /// Emits comparison operator pushing <c>bool</c> (<c>i4</c> of value <c>0</c> or <c>1</c>) onto the evaluation stack.
        /// </summary>
        /// <returns>Resulting type code pushed onto the top of evaliuation stack.</returns>
        internal static TypeSymbol EmitLtGt(CodeGenerator cg, TypeSymbol xtype, BoundExpression right, bool lt)
        {
            TypeSymbol ytype;
            var il = cg.Builder;

            switch (xtype.SpecialType)
            {
                case SpecialType.System_Void:
                    // Operators.CompareNull(value)
                    throw new NotImplementedException();

                case SpecialType.System_Int32:
                    // i4 -> i8
                    il.EmitOpCode(ILOpCode.Conv_i8);
                    goto case SpecialType.System_Int64;

                case SpecialType.System_Int64:
                    ytype = cg.EmitConvertIntToLong(cg.Emit(right));    // bool|int -> long
                    if (ytype.SpecialType == SpecialType.System_Int64)
                    {
                        il.EmitOpCode(lt ? ILOpCode.Clt : ILOpCode.Cgt);
                    }
                    else if (ytype.SpecialType == SpecialType.System_Double)
                    {
                        // i8 <> r8
                        return cg.EmitCall(ILOpCode.Call, lt
                            ? cg.CoreMethods.Operators.Clt_long_double
                            : cg.CoreMethods.Operators.Cgt_long_double);
                    }
                    else
                    {
                        ytype = cg.EmitConvertToPhpValue(ytype, 0);

                        // compare(i8, value) <> 0
                        cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Compare_long_value);

                        il.EmitOpCode(ILOpCode.Ldc_i4_0, 1);
                        il.EmitOpCode(lt ? ILOpCode.Clt : ILOpCode.Cgt);
                    }
                    return cg.CoreTypes.Boolean;

                case SpecialType.System_Double:
                    ytype = cg.EmitConvertNumberToDouble(right);    // bool|int|long|number -> double
                    if (ytype.SpecialType == SpecialType.System_Double)
                    {
                        // r8 <> r8
                        il.EmitOpCode(lt ? ILOpCode.Clt : ILOpCode.Cgt);
                    }
                    else
                    {
                        // compare(r8, value)
                        ytype = cg.EmitConvertToPhpValue(ytype, 0);
                        cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Compare_double_value);

                        // <> 0
                        il.EmitOpCode(ILOpCode.Ldc_i4_0, 1);
                        il.EmitOpCode(lt ? ILOpCode.Clt : ILOpCode.Cgt);
                    }
                    return cg.CoreTypes.Boolean;

                case SpecialType.System_String:
                    ytype = cg.Emit(right);
                    if (ytype.SpecialType == SpecialType.System_String)
                    {
                        // compare(string, string)
                        cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Compare_string_string);
                    }
                    else if (ytype.SpecialType == SpecialType.System_Int64)
                    {
                        // compare(string, long)
                        cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Compare_string_long);
                    }
                    else if (ytype.SpecialType == SpecialType.System_Double)
                    {
                        // compare(string, double)
                        cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Compare_string_double);
                    }
                    else
                    {
                        // compare(string, value)
                        ytype = cg.EmitConvertToPhpValue(ytype, 0);
                        cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Compare_string_value);
                    }

                    // <> 0
                    il.EmitOpCode(ILOpCode.Ldc_i4_0, 1);
                    il.EmitOpCode(lt ? ILOpCode.Clt : ILOpCode.Cgt);
                    return cg.CoreTypes.Boolean;

                case SpecialType.System_Boolean:

                    cg.EmitConvert(right, cg.CoreTypes.Boolean);
                    ytype = cg.CoreTypes.Boolean;

                    // compare(bool, bool)
                    cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Compare_bool_bool);
//.........这里部分代码省略.........
开发者ID:iolevel，项目名称:peachpie，代码行数:101，代码来源:BoundExpression.cs

示例14: EmitAppend

        static TypeSymbol EmitAppend(CodeGenerator cg, TypeSymbol xtype, BoundExpression y)
        {
            if (xtype == cg.CoreTypes.PhpString)
            {
                // x.Append(y); return x;
                cg.Builder.EmitOpCode(ILOpCode.Dup);

                cg.EmitConvert(y, cg.CoreTypes.String);
                cg.EmitCall(ILOpCode.Callvirt, cg.CoreMethods.PhpString.Append_String);

                //
                return xtype;
            }
            else
            {
                // concat(x, y)
                cg.EmitConvert(xtype, 0, cg.CoreTypes.String);
                cg.EmitConvert(y, cg.CoreTypes.String);

                return cg.EmitCall(ILOpCode.Newobj, cg.CoreMethods.Ctors.PhpString_string_string);
            }
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:22，代码来源:BoundExpression.cs

示例15: EmitDiv

        internal static TypeSymbol EmitDiv(CodeGenerator cg, TypeSymbol xtype, BoundExpression right, TypeSymbol resultTypeOpt = null)
        {
            var il = cg.Builder;

            xtype = cg.EmitConvertIntToLong(xtype);    // int|bool -> int64
            TypeSymbol ytype;

            switch (xtype.SpecialType)
            {
                case SpecialType.System_Double:
                    ytype = cg.EmitConvertNumberToDouble(right); // bool|int|long|number -> double
                    if (ytype.SpecialType == SpecialType.System_Double)
                    {
                        il.EmitOpCode(ILOpCode.Div);
                        return xtype;   // r8
                    }

                    // double / value : double
                    cg.EmitConvertToPhpValue(ytype, 0);
                    return cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Div_double_PhpValue);

                case SpecialType.System_Int64:
                    ytype = cg.EmitConvertIntToLong(cg.Emit(right));  // bool|int -> long
                    if (ytype == cg.CoreTypes.PhpNumber)
                    {
                        // long / number : number
                        return cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpNumber.Division_long_number)
                            .Expect(cg.CoreTypes.PhpNumber);
                    }

                    // long / value : number
                    cg.EmitConvertToPhpValue(ytype, 0);
                    return cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Div_long_PhpValue);

                default:
                    if (xtype == cg.CoreTypes.PhpNumber)
                    {
                        ytype = cg.EmitConvertIntToLong(cg.Emit(right));  // bool|int -> long
                        if (ytype == cg.CoreTypes.PhpNumber)
                        {
                            // nmumber / number : number
                            return cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpNumber.Division_number_number)
                                .Expect(cg.CoreTypes.PhpNumber);
                        }
                    }

                    // x -> PhpValue
                    xtype = cg.EmitConvertToPhpValue(xtype, 0);
                    cg.EmitConvert(right, cg.CoreTypes.PhpValue);
                    ytype = cg.CoreTypes.PhpValue;

                    // value / value : number
                    return cg.EmitCall(ILOpCode.Call, cg.CoreMethods.Operators.Div_PhpValue_PhpValue);
            }
        }
开发者ID:iolevel，项目名称:peachpie，代码行数:55，代码来源:BoundExpression.cs


注：本文中的Pchp.CodeAnalysis.CodeGen.CodeGenerator.EmitConvert方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。