Daily update on 20250405-231604 by Nitload Youmu. Additional Message : most of repeat block analyzer complete
Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
This commit is contained in:
Nitload
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="ExpSyntaxAnalyzer.RepeatLoop.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 System;
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using System.Collections.Generic;
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using System.ComponentModel.Design.Serialization;
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using System.Linq;
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using System.Resources;
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using System.Text;
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using System.Threading;
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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 ExpSyntaxAnalyzer
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{
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private Dictionary<string, ExpElementInstance> _tempVariableInLoops { get; }
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= new Dictionary<string, ExpElementInstance>();
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private bool AppendToken_RepeatLoop( Token t )
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{
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RepeatLoopState state = _cache.StateOfCurrentDepth<RepeatLoopState>();
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if( state == null )
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{
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state = new RepeatLoopState( t );
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_cache.CurrentDepthMark.StateCache = state;
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return true;
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}
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switch( state.CurrentState )
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{
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case ExpKeyword.Repeat:
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return TryParseRepeatVariable( state, t );
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case ExpKeyword.To:
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return TryParseRepeatEnding( state, t );
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case ExpKeyword.By:
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return TryParseRepeatVariable( state, t );
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case ExpKeyword.Until:
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return TryParseRepeatUntilRegulation( state, t );
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case ExpKeyword.Assignment:
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return TryParseRepeatBeginning( state, t );
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case ExpKeyword.While:
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return TryParseRepeatWhileRegulation( state, t );
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case ExpKeyword.Semicolon:
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if( t.Value != ExpKeyword.EndRepeat )
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{
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AppendToken_common( t );
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return true;
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}
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break;
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default:
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AppendToken_common( t );
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return false;
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}
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ExpNode root = _cache.PackAllStatements();
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state.Body = root;
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_cache.DecreaseDepth();
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root = ExpRepeatNode.Create(
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state.Position, state.Body, state.Begin, state.End, state.IncrementVariable,
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state.UntilExpression, state.WhileExpression );
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_cache.StatementsInDepth.Push( root );
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}
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private bool TryParseRepeatBeginning( RepeatLoopState state, Token t )
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{
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switch( t.Value )
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{
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case ExpKeyword.To:
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state.CurrentState = ExpKeyword.To;
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while( _cache.TryPopOperator( out Token op ) ) {
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ConvertAndPushOneOperator( op );
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}
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_cache.PopOperand( out _, out ExpNode? root );
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state.Begin = root;
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return true;
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default:
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AppendToken_common( t );
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return true;
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}
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}
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private bool TryParseRepeatEnding( RepeatLoopState state, Token t )
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{
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switch( t.Value )
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{
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case ExpKeyword.By:
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state.CurrentState = ExpKeyword.By;
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break;
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case ExpKeyword.Until:
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state.CurrentState = ExpKeyword.Until;
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break;
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case ExpKeyword.While:
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state.CurrentState = ExpKeyword.While;
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break;
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default:
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AppendToken_common( t );
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return true;
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}
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while( _cache.TryPopOperator( out Token op ) ) {
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ConvertAndPushOneOperator( op );
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}
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_cache.PopOperand( out _, out ExpNode? root );
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state.End = root;
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return true;
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}
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private bool TryParseRepeatIncrement( RepeatLoopState state, Token t )
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{
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switch( t.Value )
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{
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case ExpKeyword.Semicolon:
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state.CurrentState = ExpKeyword.Semicolon;
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break;
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case ExpKeyword.Until:
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state.CurrentState = ExpKeyword.Until;
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break;
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case ExpKeyword.While:
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state.CurrentState = ExpKeyword.While;
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break;
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default:
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AppendToken_common( t );
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return true;
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}
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while( _cache.TryPopOperator( out Token op ) ) {
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ConvertAndPushOneOperator( op );
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}
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_cache.PopOperand( out _, out ExpNode? root );
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state.IncrementVariable = root;
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return true;
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}
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private bool TryParseRepeatUntilRegulation( RepeatLoopState state, Token t )
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{
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switch( t.Value )
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{
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case ExpKeyword.Semicolon:
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state.CurrentState = ExpKeyword.Semicolon;
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break;
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default:
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AppendToken_common( t );
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return true;
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}
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while( _cache.TryPopOperator( out Token op ) ) {
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ConvertAndPushOneOperator( op );
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}
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_cache.PopOperand( out _, out ExpNode? root );
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state.UntilExpression = root;
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return true;
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}
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private bool TryParseRepeatVariable( RepeatLoopState state, Token t )
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{
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switch( t.Value )
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{
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case ExpKeyword.Integer:
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state.IncrementVariableType = ExpressCompile.ExpInt;
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return true;
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case
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ExpKeyword.Real:
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state.IncrementVariableType = ExpressCompile.ExpReal;
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return true;
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case ExpKeyword.Assignment:
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state.CurrentState = ExpKeyword.Assignment;
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return true;
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default:
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if( ExpTypeSource.IsNullOrVoid( state.IncrementVariableType ) )
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{
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throw new ExpInvalidTypeException( "Numerical", t.Value );
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} else
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{
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state.IncrementVariable = state.IncrementVariableType
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.CreateInstanceNode( t );
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return true;
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}
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}
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}
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private bool TryParseRepeatWhileRegulation( RepeatLoopState state, Token t )
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{
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switch( t.Value )
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{
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case ExpKeyword.Until:
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state.CurrentState = ExpKeyword.Until;
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break;
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default:
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AppendToken_common( t );
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return true;
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}
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while( _cache.TryPopOperator( out Token op ) ) {
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ConvertAndPushOneOperator( op );
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}
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_cache.PopOperand( out _, out ExpNode? root );
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state.WhileExpression = root;
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return true;
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}
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private class RepeatLoopState : ICompileDepthState
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{
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public RepeatLoopState( Token t )
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{
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Position = t;
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}
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public ExpNode IncrementVariable { get; set; }
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public ExpNode Begin { get; set; }
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public ExpNode End { get; set; }
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public ExpNode UntilExpression { get; set; }
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public ExpNode WhileExpression { get; set; }
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public ExpNode Body { get; set; }
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public ExpTypeSource IncrementVariableType { get; set; }
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public string CurrentState { get; set; }
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public Token Position { get; set; }
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}
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}
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}
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