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Daily update on 20250330-080745 by Nitload Youmu. Additional Message : CASEOF block in full function, next is Collection operation, relative keywords processing and REPEAT block.

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Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>
This commit is contained in:
Nitload
2025-03-30 08:07:45 +08:00
parent 17a226c206
commit 1a1db3554b
11 changed files with 208 additions and 47 deletions
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StgSharp.Script/Express/ExpAstNode/ExpSwitchNode.cs
+62 -38
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@@ -29,6 +29,7 @@
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
using System;
using System.Collections.Frozen;
using System.Collections.Generic;
using System.Text;
@@ -37,27 +38,75 @@ namespace StgSharp.Script.Express
public class ExpSwitchNode : ExpNode
{
private Dictionary<ExpNode, ExpNode> _cases;
private ExpNode _default;
private ExpNode _target;
private FrozenDictionary<ExpNode, ExpNode> _cases;
public ExpSwitchNode(
Token source,
ExpNode target,
ExpNode defaultCase,
params (ExpNode label, ExpNode op)[] cases )
Token source,
ExpNode target,
ExpNode defaultCase,
params (ExpNode label, ExpNode op)[] cases )
: base( source )
{
_target = target;
_default = defaultCase;
_cases = new Dictionary<ExpNode, ExpNode>();
foreach( (ExpNode label, ExpNode op ) item in cases ) {
if( item.op == null ) {
_cases.Add( item.label, null! );
} else {
_cases.Add( item.label, item.op );
Dictionary<ExpNode, ExpNode> casesDic = new Dictionary<ExpNode, ExpNode>();
foreach( (ExpNode label, ExpNode op ) item in cases )
{
if( item.op == null )
{
casesDic.Add( item.label, null! );
} else
{
casesDic.Add( item.label, item.op );
}
}
_cases = casesDic.ToFrozenDictionary();
string str = @"switch( {0} ){";
StringBuilder codeFormatBuilder = new StringBuilder();
codeFormatBuilder.AppendLine( str );
for( int i = 0; i < casesDic.Count; i++ )
{
int index = i * 2 + 1;
codeFormatBuilder.AppendLine(
$$"""
case {{{index}}}:
{{{index + 1}}}
break;
""" );
}
CodeConvertTemplate = codeFormatBuilder.ToString();
}
public ExpSwitchNode(
Token source,
ExpNode target,
ExpNode defaultCase,
IDictionary<ExpNode, ExpNode> cases )
: base( source )
{
_target = target;
_default = defaultCase;
_cases = cases.ToFrozenDictionary();
string str = @"switch( {0} ){";
StringBuilder codeFormatBuilder = new StringBuilder();
codeFormatBuilder.AppendLine( str );
for( int i = 0; i < cases.Count; i++ )
{
int index = i * 2 + 1;
codeFormatBuilder.AppendLine(
$$"""
case {{{index}}}:
{{{index + 1}}}
break;
""" );
}
CodeConvertTemplate = codeFormatBuilder.ToString();
}
public ExpNode this[ ExpNode index ]
@@ -71,37 +120,12 @@ namespace StgSharp.Script.Express
}
}
public override ExpNode Left => throw new NotImplementedException();
public override ExpNode Left => Empty;
public override ExpNode Right => throw new NotImplementedException();
public override ExpNode Right => Empty;
public override IExpElementSource EqualityTypeConvert => null!;
public void AddOperationToDefault( ExpNode expressionRoot )
{
if( expressionRoot != null ) {
_default.AppendNode( expressionRoot );
}
}
/// <summary>
/// Adds an expression to certain <see langword="case" />. The added expression will be run
/// at last.
/// </summary>
/// <param name="label"> Label of case to add operation </param>
/// <param name="expressionRoot"> Root token of the expression to be added. </param>
/// <exception cref="ExpCaseNotFoundException"> Cannot fine the case label in current witch expression. </exception>
public void AppendOperationToCase(
ExpNode label,
ExpNode expressionRoot )
{
if( _cases.TryGetValue( label, out ExpNode? op ) ) {
op.AppendNode( expressionRoot );
} else {
throw new ExpCaseNotFoundException( this, label );
}
}
public bool ContainsCase( ExpNode token )
{
return _cases.ContainsKey( token );