old data
This commit is contained in:
Nitload
@@ -0,0 +1,262 @@
|
||||
//-----------------------------------------------------------------------
|
||||
//-----------------------------------------------------------------------
|
||||
// file="ExpSyntaxAnalyzer.TokenSpliter.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 Microsoft.CodeAnalysis.CSharp.Syntax;
|
||||
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using System.Xml.Schema;
|
||||
|
||||
using ExpKeyword = StgSharp.Script.Express.ExpressCompile.Keyword;
|
||||
|
||||
namespace StgSharp.Script.Express
|
||||
{
|
||||
public partial class ExpSyntaxAnalyzer
|
||||
{
|
||||
|
||||
private bool IsSeparatorMatch( Token leftSperator, Token rightSeparator )
|
||||
{
|
||||
return leftSperator.Value switch
|
||||
{
|
||||
ExpKeyword.LeftBrace => rightSeparator.Value == ExpKeyword.RightBrace,
|
||||
ExpKeyword.LeftParen => rightSeparator.Value == ExpKeyword.RightParen,
|
||||
ExpKeyword.Comma => rightSeparator.Value == ExpKeyword.Comma,
|
||||
ExpKeyword.Semicolon => rightSeparator.Value == ExpKeyword.Semicolon,
|
||||
_ => false
|
||||
};
|
||||
}
|
||||
|
||||
private bool TryAppendIndexLeft( Token t )
|
||||
{
|
||||
if( t.Flag != TokenFlag.Index_Left ) {
|
||||
return false;
|
||||
}
|
||||
if( _cache.TryPeekOperand( out bool isNode, out _, out ExpNode? node ) )
|
||||
{
|
||||
if( node.EqualityTypeConvert is not ExpCollectionBase ) {
|
||||
ExpInvalidSyntaxException.ThrowNonCollectionIndex( t );
|
||||
}
|
||||
}
|
||||
_cache.PushOperator( t );
|
||||
_cache.IncreaseDepth( ( int )ExpCompileStateCode.CollectionIndex );
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryAppendIndexRight( Token t )
|
||||
{
|
||||
if( t.Flag != TokenFlag.Index_Right ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
//reverse building
|
||||
ClosePrefixReverse( t );
|
||||
|
||||
//make index node
|
||||
_cache.PopOperand( out _, out ExpNode? expNode );
|
||||
if( !_cache.PopOperand( out Token colleToken, out ExpNode? colleNode ) ) { }
|
||||
_cache.PushOperand(
|
||||
ExpCollectionIndexNode.Create(
|
||||
t, ( colleNode as ExpCollectionInstanceBase )!, expNode ) );
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryAppendMember( Token t )
|
||||
{
|
||||
if( t.Flag != TokenFlag.Member ) {
|
||||
return false;
|
||||
}
|
||||
if( TryParseConstant( t ) ) {
|
||||
return true;
|
||||
}
|
||||
if( TryParseFunction( t ) ) {
|
||||
return true;
|
||||
}
|
||||
if( TryParseInstance( t ) ) {
|
||||
return true;
|
||||
}
|
||||
if( TryParseKeyword( t ) ) {
|
||||
return true;
|
||||
}
|
||||
|
||||
//Many thing miss here
|
||||
|
||||
_cache.PushOperand( ExpElementMemberNameNode.Create( t ) );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryAppendMiddleSeparator( Token t )
|
||||
{
|
||||
if( t.Flag != TokenFlag.Separator_Middle ) {
|
||||
return false;
|
||||
}
|
||||
while( _cache.OperatorAheadOfDepth > 0 )
|
||||
{
|
||||
_cache.TryPopOperator( out Token op );
|
||||
ExpNode node = ConvertAndPushOneOperator( op );
|
||||
}
|
||||
switch( _cache.OperandAheadOfDepth )
|
||||
{
|
||||
case 0:
|
||||
if( t.Value == ";" ) {
|
||||
return true;
|
||||
}
|
||||
_cache.StatementsInDepth.Push( ExpNode.Empty );
|
||||
goto case 1;
|
||||
case 1:
|
||||
_cache.PopOperand( out _, out ExpNode? statement );
|
||||
_cache.StatementsInDepth.Push( statement );
|
||||
return true;
|
||||
default:
|
||||
ExpInvalidSyntaxException.ThrowNoOperator( t );
|
||||
break;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryAppendNumAndStrLiteral( Token t )
|
||||
{
|
||||
if( ( t.Flag & ( TokenFlag.String | TokenFlag.Number ) ) == 0 ) {
|
||||
return false;
|
||||
}
|
||||
_cache.PushOperand( ExpElementInstance.CreateLiteral( t ) );
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryAppendPrefixSeparator( Token t )
|
||||
{
|
||||
if( t.Flag != TokenFlag.Separator_Left ) {
|
||||
return false;
|
||||
}
|
||||
_cache.PushOperator( t );
|
||||
_cache.IncreaseDepth( ( int )ExpCompileStateCode.Common );
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryAppendPrefixSeparatorEnd( Token t )
|
||||
{
|
||||
if( t.Flag != TokenFlag.Separator_Right ) {
|
||||
return false;
|
||||
}
|
||||
ClosePrefixReverse( t );
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryAppendSymbol( Token t )
|
||||
{
|
||||
if( ( t.Flag & ( TokenFlag.Symbol_Unary | TokenFlag.Symbol_Binary ) ) == 0 ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
int cmp = -1;
|
||||
processPrecedence:
|
||||
if( _cache.TryPeekOperator( out Token tmp ) )
|
||||
{
|
||||
cmp = CompareOperatorPrecedence( t, tmp );
|
||||
if( cmp >= 0 )
|
||||
{
|
||||
_cache.PopOperator();
|
||||
ExpNode node = ConvertAndPushOneOperator( tmp );
|
||||
goto processPrecedence;
|
||||
}
|
||||
}
|
||||
_cache.PushOperator( t );
|
||||
return true;
|
||||
}
|
||||
|
||||
private bool TryParseConstant( Token t )
|
||||
{
|
||||
switch( t.Value )
|
||||
{
|
||||
case ExpKeyword.E:
|
||||
_cache.PushOperand( new ExpRealNumberNode( t, MathF.E, true ) );
|
||||
return true;
|
||||
case ExpKeyword.Pi:
|
||||
_cache.PushOperand( new ExpRealNumberNode( t, MathF.PI, true ) );
|
||||
return true;
|
||||
default:
|
||||
if( ExpElementInstance.TryCreateLiteral( t, out ExpElementInstance? node ) )
|
||||
{
|
||||
_cache.PushOperand( node );
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private bool TryParseFunction( Token t )
|
||||
{
|
||||
if( ExpKeyword.BuiltinFunctions.Contains( t.Value ) )
|
||||
{
|
||||
_cache.PushOperator( t );
|
||||
return true;
|
||||
} else if( _context.TryGetFunction( t.Value, out ExpFunctionSource? f ) )
|
||||
{
|
||||
_cache.PushOperand( t );
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private bool TryParseInstance( Token t )
|
||||
{
|
||||
if( _local.TryGetMember( t.Value,
|
||||
out ExpNode? node ) && node is ExpElementInstance instance )
|
||||
{
|
||||
_cache.PushOperand( ExpInstanceReferenceNode.MakeReferenceFrom( t, instance ) );
|
||||
return true;
|
||||
} else if( _tempVariableInLoops.TryGetValue( t.Value, out instance! ) )
|
||||
{
|
||||
_cache.PushOperand( ExpInstanceReferenceNode.MakeReferenceFrom( t, instance ) );
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private bool TryParseKeyword( Token t )
|
||||
{
|
||||
switch( t.Value )
|
||||
{
|
||||
case ExpKeyword.Return:
|
||||
_cache.PushOperator( t );
|
||||
return true;
|
||||
case ExpKeyword.Skip:
|
||||
_cache.PushOperand( ExpProcedureControlNode.Skip( t ) );
|
||||
return true;
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user