149 lines
4.9 KiB
C#
149 lines
4.9 KiB
C#
//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="ExpNodeGenerator.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 Microsoft.CodeAnalysis.CSharp.Syntax;
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using StgSharp.Threading;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO.Pipes;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using ExpKeyword = StgSharp.Script.Express.ExpressCompile.Keyword;
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namespace StgSharp.Script.Express
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{
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public partial class ExpNodeGenerator
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{
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private const int EndLine = 1;
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private const int TokenGenerated = 0;
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private const int TokenTypeNotMatch = -1;
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private CompileStack<ExpNode, IExpElementSource> _cache;
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private ExpNode _lastStatement;
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private ExpSchema _context;
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private IExpElementSource _local;
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public ExpNodeGenerator()
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{
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_cache = new CompileStack<ExpNode, IExpElementSource>();
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}
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public ExpNodeGenerator( ExpSchema context, IExpElementSource local )
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{
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_cache = new CompileStack<ExpNode, IExpElementSource>();
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ArgumentNullException.ThrowIfNull( context );
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if( context is not ExpSchema_Builtin )
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{
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_context = context;
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} else
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{
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throw new InvalidCastException( "Not a valid Schema type" );
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}
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_local = local;
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}
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/**/
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/// <summary>
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/// Append a token to top of cache. This method will automatically convert token to node
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/// if meets separators or operators.
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/// </summary>
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public void AppendToken( Token expToken )
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{
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switch( expToken.Flag )
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{
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case TokenFlag.Symbol_Unary or TokenFlag.Symbol_Binary:
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TryAppendSymbol( expToken );
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break;
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case TokenFlag.Member:
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TryAppendMember( expToken );
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break;
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case TokenFlag.Separator_Left:
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TryAppendPrefixSeparator( expToken );
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break;
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case TokenFlag.Separator_Right:
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TryAppendPrefixSeparatorEnd( expToken );
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break;
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case TokenFlag.Separator_Middle:
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TryAppendMiddleSeparator( expToken );
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break;
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case TokenFlag.Index_Left:
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TryAppendIndexLeft( expToken );
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break;
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case TokenFlag.Index_Right:
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TryAppendIndexRight( expToken );
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break;
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case TokenFlag.Number or TokenFlag.String:
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ExpElementInstance node = ExpElementInstance.CreateLiteral( expToken );
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_cache.PushOperand( node );
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break;
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default:
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break;
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}
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}
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public ExpNode GetNextOperandCache()
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{
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if( _cache.PopOperand( out Token t, out ExpNode? n ) )
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{
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return n;
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} else { }
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throw new NotImplementedException();
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}
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/**/
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public enum ExpCompileStateCode
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{
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Common,
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ForLoop,
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RepeatLoop,
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UntilLoop,
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IfBranch,
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CaseBranch,
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PrefixSeparator,
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MiddleSeparator,
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CollectionIndex,
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}
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}
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}
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