128 lines
4.4 KiB
C#
128 lines
4.4 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="ExpToken.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using CommunityToolkit.HighPerformance.Buffers;
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace StgSharp.Script.Express
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{
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[Flags]
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public enum ExpTokenFlag : long
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{
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None = 0,
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Name_Element = 1,
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Name_Param = 2,
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Name_Block = 4,
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Name_Keyword = 8,
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Name_Any = Name_Block | Name_Element | Name_Keyword | Name_Param,
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Collection_Set = 16,
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Collection_Bag = 32,
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Collection_Array = 64,
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Collection_List = 128,
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Collection_Any = Collection_Set | Collection_Bag | Collection_Array | Collection_List,
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Element_Const = 256,
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Element_Entity = 512,
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Element_type = 1024,
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Element_Rule = 2048,
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Element_Function = 4096,
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Element_Any = Element_Entity | Element_Const | Element_Function | Element_Rule | Element_type,
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BuiltinType_Int = 8192,
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BuiltinType_Float = 16384,
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BuiltinType_String = 32768,
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BuiltinType_Boolean = 65536,
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BuiltinType_Binary = 0x2000,
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BuiltinType_Logic = 0x4000,
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BuiltinType_Any = BuiltinType_Int | BuiltinType_Float | BuiltinType_String | BuiltinType_Boolean | BuiltinType_Binary | BuiltinType_Logic,
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Branch_If = 0x8000,
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Branch_Switch = 0x1_0000,
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Branch_Repeat = 0x2_0000,
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}
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public ref struct ExpTokenSource
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{
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public ReadOnlySpan<char> Value;
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public readonly int Line;
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public readonly int Column;
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public ExpTokenSource(ReadOnlySpan<char> chars, int lineNumber, int columnNumber)
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{
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Value = chars; Line = lineNumber; Column = columnNumber;
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}
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}
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public abstract class ExpToken : IExpressionToken
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{
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protected internal ExpToken _previousToken;
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protected internal ExpTokenFlag _tokenType;
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protected internal List<ExpToken> _nextLevelTokens
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= new List<ExpToken>();
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protected internal string _name;
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protected ExpToken( string name, ExpSchema context )
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{
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_name = name;
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Context = context;
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}
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public ExpSchema Context
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{
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get;
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private set;
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}
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public long TokenTypeCode => ( long )_tokenType;
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public string Name => _name;
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public virtual bool TryGetNextLevel(
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out ICollection<IExpressionToken> nextLevel )
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{
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nextLevel = ( _nextLevelTokens as ICollection<IExpressionToken> )!;
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return true;
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}
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protected void AssertSchemaInclude( ExpToken expressionRoot )
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{
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if( expressionRoot.Context != Context && Context.HasSchemaInclude(
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expressionRoot.Context ) ) {
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throw new ExpInvalidSchemaIncludeException(
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Context, expressionRoot.Context );
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}
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}
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}
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}
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