add from giga-device, new branch added

StgSharp.Script/Express/ExpAstNode/ExpLiteralNode.cs

@@ -0,0 +1,190 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="ExpLiteralNode.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using StgSharp.Data;
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace StgSharp.Script.Express
+{
+    public class ExpIntNode : ExpElementInstance
+    {
+
+        private int _value;
+
+        public ExpIntNode( Token source, int value, bool isLiteral )
+            : base( source )
+        {
+            this.IsLiteral = isLiteral;
+            _value = value;
+            _nodeFlag = ExpNodeFlag.BuiltinType_Int | ExpNodeFlag.Element_Type;
+            CodeConvertTemplate = IsLiteral ? value.ToString() : source.Value;
+        }
+
+        public override IExpElementSource EqualityTypeConvert
+        {
+            get => ExpressCompile.ExpInt;
+        }
+
+        public int Value => _value;
+
+        public override string TypeName => ExpressCompile.Keyword.Integer;
+
+    }
+
+    public class ExpStringNode : ExpElementInstance
+    {
+
+        private readonly string _value;
+
+        public ExpStringNode( Token source, string value, bool isLiteral )
+            : base( source )
+        {
+            this.IsLiteral = IsLiteral;
+            _value = value;
+            _nodeFlag = ExpNodeFlag.BuiltinType_String | ExpNodeFlag.Element_Type;
+            CodeConvertTemplate = IsLiteral ? $"\"{value}\"" : source.Value;
+        }
+
+        public override IExpElementSource EqualityTypeConvert
+        {
+            get => ExpressCompile.ExpString;
+        }
+
+        public override string TypeName => EqualityTypeConvert.Name;
+
+        public string Value => _value;
+
+    }
+
+    public interface IExpBooleanSyntax
+    {
+
+        bool Value { get; }
+
+    }
+
+    public class ExpBoolNode : ExpElementInstance, IExpBooleanSyntax
+    {
+
+        private readonly bool _value;
+
+        public ExpBoolNode( Token source, bool value, bool isLiteral )
+            : base( source )
+        {
+            this.IsLiteral = isLiteral;
+            _value = value;
+            _nodeFlag = ExpNodeFlag.BuiltinType_Boolean | ExpNodeFlag.Element_Type;
+            CodeConvertTemplate = IsLiteral ? value.ToString() : source.Value;
+        }
+
+        public bool Value => _value;
+
+        public override IExpElementSource EqualityTypeConvert
+        {
+            get => ExpSchema.BuiltinSchema
+                            .TryGetType( ExpressCompile.Keyword.Boolean, out ExpTypeSource? type ) ?
+                    type : throw new ExpCompileNotInitializedException();
+        }
+
+        public override string TypeName => EqualityTypeConvert.Name;
+
+        public static ExpBoolNode False( Token? t )
+        {
+            return new( t ?? new Token( "FALSE", 0, -1, TokenFlag.Member ), false,
+                        isLiteral: true );
+        }
+
+        public static ExpBoolNode True( Token? t )
+        {
+            return new( t ?? new Token( "TRUE", 0, -1, TokenFlag.Member ), true, isLiteral: true );
+        }
+
+    }
+
+    public class ExpRealNumberNode : ExpElementInstance
+    {
+
+        private readonly float _value;
+
+        public ExpRealNumberNode( Token source, float value, bool isLiteral )
+            : base( source )
+        {
+            _value = value;
+            _nodeFlag = ExpNodeFlag.BuiltinType_Real | ExpNodeFlag.Element_Type;
+            CodeConvertTemplate = isLiteral ? $"{value:F8}f" : source.Value;
+        }
+
+        public float Value => _value;
+
+        public override IExpElementSource EqualityTypeConvert
+        {
+            get => ExpSchema.BuiltinSchema
+                            .TryGetType( ExpressCompile.Keyword.String, out ExpTypeSource? type ) ?
+                    type : throw new ExpCompileNotInitializedException();
+        }
+
+        public override string TypeName => EqualityTypeConvert.Name;
+
+    }
+
+    public class ExpLogicValueNode : ExpElementInstance, IExpBooleanSyntax
+    {
+
+        private readonly ExpLogic _value;
+
+        public ExpLogicValueNode( Token source, ExpLogic value, bool isLiteral )
+            : base( source )
+        {
+            this.IsLiteral = isLiteral;
+            _value = value;
+            _nodeFlag = ExpNodeFlag.BuiltinType_Logic | ExpNodeFlag.Element_Type;
+            CodeConvertTemplate = isLiteral ? value.ToString() : source.Value;
+        }
+
+        public ExpLogic LogicValue => _value;
+
+        public override IExpElementSource EqualityTypeConvert
+        {
+            get => ExpSchema.BuiltinSchema
+                            .TryGetType( ExpressCompile.Keyword.Logical, out ExpTypeSource? type ) ?
+                    type : throw new ExpCompileNotInitializedException();
+        }
+
+        public override string TypeName => EqualityTypeConvert.Name;
+
+        bool IExpBooleanSyntax.Value => _value.ToBoolean();
+
+    }
+}