add from giga-device, new branch added

2025-08-21 16:51:25 +08:00
commit 43bbc06bbb
1296 changed files with 264186 additions and 0 deletions
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+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="_ExpNode.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 CommunityToolkit.HighPerformance.Buffers;
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace StgSharp.Script.Express
+{
+    public abstract class ExpSyntaxNode : ISyntaxNode<ExpSyntaxNode, IExpElementSource>
+    {
+
+        protected internal ExpNodeFlag _nodeFlag;
+        protected internal Token _source;
+
+        protected ExpSyntaxNode( Token source )
+        {
+            _source = source;
+            Next = this;
+            Previous = this;
+        }
+
+        public bool IsNumber
+        {
+            get { return ( _nodeFlag | ExpNodeFlag.BuiltinType_Number ) != 0; }
+        }
+
+        public abstract ExpSyntaxNode Left { get; }
+
+        public static ExpSyntaxNode Empty
+        {
+            get => ExpEmptyNode._only;
+        }
+
+        public ExpSyntaxNode Next { get; set; }
+
+        public abstract ExpSyntaxNode Right { get; }
+
+        public ExpSyntaxNode Previous { get; set; }
+
+        public abstract IExpElementSource EqualityTypeConvert { get; }
+
+        public int Line => _source.Line;
+
+        public int Column => _source.Column;
+
+        public long NodeFlag => ( long )_nodeFlag;
+
+        public string CodeConvertTemplate { get; init; }
+
+        public Token Source
+        {
+            get => _source;
+        }
+
+        public void AppendNode( ExpSyntaxNode nextNode )
+        {
+            Next.Previous = nextNode;
+            nextNode.Next = Next;
+            Next = nextNode;
+            Next.Previous = this;
+        }
+
+        public static bool IsNullOrEmpty( [AllowNull]ExpSyntaxNode node )
+        {
+            return  node == ExpEmptyNode._only || node == null;
+        }
+
+        [MethodImpl( MethodImplOptions.AggressiveInlining )]
+        public static ExpSyntaxNode NonOperation( Token source )
+        {
+            return new ExpEmptyNode( source.Line, source.Column );
+        }
+
+        [MethodImpl( MethodImplOptions.AggressiveInlining )]
+        public static ExpSyntaxNode NonOperation( int line, int column )
+        {
+            return new ExpEmptyNode( line, column );
+        }
+
+        public void PrependNode( ExpSyntaxNode previousNode )
+        {
+            Previous.Next = previousNode;
+            previousNode.Previous = Previous;
+            Previous = previousNode;
+            previousNode.Next = this;
+        }
+
+        public static bool VerifyTypeConvertable( ExpSyntaxNode left, ExpSyntaxNode right )
+        {
+            IExpElementSource tLeft = left.EqualityTypeConvert,
+                tRight = right.EqualityTypeConvert;
+            if( tLeft is not ExpInstantiableElement tLeftIns ||
+                tRight is not ExpInstantiableElement tRightIns ) {
+                return false;
+            }
+            if( ExpInstantiableElement.IsNullOrVoid( tLeftIns ) ||
+                ExpInstantiableElement.IsNullOrVoid( tLeftIns ) ) {
+                return false;
+            }
+            return tLeft.IsConvertable( tRight );
+        }
+
+        private class ExpEmptyNode : ExpSyntaxNode
+        {
+
+            internal static readonly ExpEmptyNode _only = new();
+
+            public ExpEmptyNode() : base( Token.Empty ) { }
+
+            public ExpEmptyNode( int line, int column )
+                : base( new Token( string.Empty, line, column, TokenFlag.None ) ) { }
+
+            public override ExpInstantiableElement EqualityTypeConvert => ExpInstantiableElement.Void;
+
+            public override ExpSyntaxNode Left => _only;
+
+            public override ExpSyntaxNode Right => _only;
+
+        }
+
+    }
+}