Daily update on 20250318-203619 by Nitload Youmu. Additional Message : Syntax analyzer rebuilding, a neet and flexible structure introduced

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
2025-03-18 20:36:20 +08:00
parent e3741687a7
commit 5d99be7f3d
36 changed files with 3962 additions and 1904 deletions
@@ -0,0 +1,108 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="ExpNodeGenerator.OperatorParser.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 System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using ExpKeyWord = StgSharp.Script.Express.ExpCompile.KeyWord;
+
+namespace StgSharp.Script.Express
+{
+    public partial class ExpNodeGenerator
+    {
+
+        public int CompareOperatorPrecedence( Token left, Token right )
+        {
+            ExpCompile.TryGetOperatorPrecedence(
+                left.Value, out int leftPrecedence );
+            ExpCompile.TryGetOperatorPrecedence(
+                right.Value, out int rightPrecedence );
+            return leftPrecedence - rightPrecedence;
+        }
+
+        public bool TryGenerateBinaryNode( Token t, out ExpNode node )
+        {
+            ExpNode left = GetNextOperandCache();
+            ExpNode right = GetNextOperandCache();
+            switch( t.Value ) {
+                case ExpKeyWord.Add:
+                    node = ExpBinaryOperatorNode.Add( t, left, right );
+                    return true;
+                case ExpKeyWord.Sub:
+                    node = ExpBinaryOperatorNode.Sub( t, left, right );
+                    return true;
+                case ExpKeyWord.Mul:
+                    node = ExpBinaryOperatorNode.Mul( t, left, right );
+                    return true;
+                case ExpKeyWord.Div:
+                    node = ExpBinaryOperatorNode.Div( t, left, right );
+                    return true;
+                case ExpKeyWord.Equal:
+                    node = ExpBinaryOperatorNode.EqualTo( t, left, right );
+                    return true;
+                case ExpKeyWord.NotEqual:
+                    node = ExpBinaryOperatorNode.NotEqualTo( t, left, right );
+                    return true;
+                case ExpKeyWord.GreaterThan:
+                    node = ExpBinaryOperatorNode.GreaterThan( t, left, right );
+                    return true;
+                case ExpKeyWord.LessThan:
+                    node = ExpBinaryOperatorNode.LessThan( t, left, right );
+                    return true;
+                default:
+                    node = ExpNode.Empty;
+                    return false;
+            }
+        }
+
+        public bool TryGenerateUnaryNode( Token t, out ExpNode node )
+        {
+            ExpNode operand = GetNextOperandCache();
+            switch( t.Value ) {
+                case ExpKeyWord.UnaryPlus:
+                    node = ExpUnaryOperatorNode.UnaryPlus( t, operand );
+                    return true;
+                case ExpKeyWord.UnaryMinus:
+                    node = ExpUnaryOperatorNode.UnaryMinus( t, operand );
+                    return true;
+                case ExpKeyWord.Not:
+                    node = ExpUnaryOperatorNode.UnaryNot( t, operand );
+                    return true;
+                default:
+                    node = ExpNode.Empty;
+                    return false;
+            }
+        }
+
+    }
+}