88 lines
3.3 KiB
C#
88 lines
3.3 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="ExpSyntaxAnalyzer.PrefixReverseAnalysing"
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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 obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.Script;
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using StgSharp.Script.Express;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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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.Model.Step
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{
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internal partial class StepExpSyntaxAnalyzer
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{
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private void ClosePrefixReverse(Token rightSeparator)
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{
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Token op;
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ExpSyntaxNode root;
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if (_cache.OperatorAheadOfDepth == 0)
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{
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if (_cache.OperandAheadOfDepth == 1)
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{
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_cache.PopOperand(out _, out ExpSyntaxNode? statement);
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_cache.StatementsInDepth.Push(statement);
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} else
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{
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_cache.StatementsInDepth.Push(ExpSyntaxNode.Empty);
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}
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} else
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{
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while (_cache.TryPopOperator(out op))
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{
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ExpSyntaxNode node = ConvertAndPushOneOperator(op);
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}
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if (_cache.OperandAheadOfDepth == 1)
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{
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_cache.PopOperand(out _, out root);
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_cache.StatementsInDepth.Push(root);
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}
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}
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root = _cache.PackAllStatements();
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_cache.DecreaseDepth();
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if (IsSeparatorMatch(_cache.PeekOperator(), rightSeparator))
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{
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_cache.PopOperator();
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root = ExpTupleNode.Pack(root);
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_cache.PushOperand(root);
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} else
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{
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throw new ExpCompileException(
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rightSeparator, "Ending of block does not match its begging");
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}
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}
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}
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}
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