Questionable/QuestPathGenerator/RoslynShortcuts.cs

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C#
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2024-06-14 09:37:33 +00:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Questionable.Model.V1;
using static Microsoft.CodeAnalysis.CSharp.SyntaxFactory;
namespace Questionable.QuestPathGenerator;
public static class RoslynShortcuts
{
public static IEnumerable<SyntaxNodeOrToken> SyntaxNodeList(params SyntaxNodeOrToken?[] nodes)
{
nodes = nodes.Where(x => x != null).ToArray();
if (nodes.Length == 0)
return [];
List<SyntaxNodeOrToken> list = new();
for (int i = 0; i < nodes.Length; ++i)
{
if (i > 0)
list.Add(Token(SyntaxKind.CommaToken));
list.Add(nodes[i].GetValueOrDefault());
}
return list;
}
public static ExpressionSyntax LiteralValue<T>(T? value)
{
if (value is string s)
return LiteralExpression(SyntaxKind.StringLiteralExpression, Literal(s));
else if (value is bool b)
return LiteralExpression(b ? SyntaxKind.TrueLiteralExpression : SyntaxKind.FalseLiteralExpression);
else if (value is short i16)
return LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(i16));
else if (value is int i32)
return LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(i32));
else if (value is ushort u16)
return LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(u16));
else if (value is uint u32)
return LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(u32));
else if (value is float f)
return LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(f));
else if (value != null && value.GetType().IsEnum)
return MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
IdentifierName(value.GetType().Name),
IdentifierName(value.GetType().GetEnumName(value)!));
else if (value is Vector3 vector)
{
return ObjectCreationExpression(
IdentifierName(nameof(Vector3)))
.WithArgumentList(
ArgumentList(
SeparatedList<ArgumentSyntax>(
new SyntaxNodeOrToken[]
{
Argument(LiteralValue(vector.X)),
Token(SyntaxKind.CommaToken),
Argument(LiteralValue(vector.Y)),
Token(SyntaxKind.CommaToken),
Argument(LiteralValue(vector.Z))
})));
}
else if (value is AethernetShortcut aethernetShortcut)
{
return ObjectCreationExpression(
IdentifierName(nameof(AethernetShortcut)))
.WithInitializer(
InitializerExpression(
SyntaxKind.ObjectInitializerExpression,
SeparatedList<ExpressionSyntax>(
SyntaxNodeList(
Assignment<EAetheryteLocation?>(nameof(AethernetShortcut.From), aethernetShortcut.From,
null)
.AsSyntaxNodeOrToken(),
Assignment<EAetheryteLocation?>(nameof(AethernetShortcut.To), aethernetShortcut.To,
null)
.AsSyntaxNodeOrToken()))));
}
else if (value is ChatMessage chatMessage)
{
ChatMessage emptyMessage = new();
return ObjectCreationExpression(
IdentifierName(nameof(ChatMessage)))
.WithInitializer(
InitializerExpression(
SyntaxKind.ObjectInitializerExpression,
SeparatedList<ExpressionSyntax>(
SyntaxNodeList(
Assignment(nameof(ChatMessage.ExcelSheet), chatMessage.ExcelSheet,
emptyMessage.ExcelSheet)
.AsSyntaxNodeOrToken(),
Assignment(nameof(ChatMessage.Key), chatMessage.Key,
emptyMessage.Key)
.AsSyntaxNodeOrToken()))));
}
else if (value is DialogueChoice dialogueChoice)
{
DialogueChoice emptyChoice = new();
return ObjectCreationExpression(
IdentifierName(nameof(DialogueChoice)))
.WithInitializer(
InitializerExpression(
SyntaxKind.ObjectInitializerExpression,
SeparatedList<ExpressionSyntax>(
SyntaxNodeList(
Assignment<EDialogChoiceType?>(nameof(DialogueChoice.Type), dialogueChoice.Type, null)
.AsSyntaxNodeOrToken(),
Assignment(nameof(DialogueChoice.ExcelSheet), dialogueChoice.ExcelSheet,
emptyChoice.ExcelSheet)
.AsSyntaxNodeOrToken(),
Assignment(nameof(DialogueChoice.Prompt), dialogueChoice.Prompt, emptyChoice.Prompt)
.AsSyntaxNodeOrToken(),
Assignment(nameof(DialogueChoice.Yes), dialogueChoice.Yes, emptyChoice.Yes)
.AsSyntaxNodeOrToken(),
Assignment(nameof(DialogueChoice.Answer), dialogueChoice.Answer, emptyChoice.Answer)
.AsSyntaxNodeOrToken(),
Assignment(nameof(DialogueChoice.DataId), dialogueChoice.DataId, emptyChoice.DataId)
.AsSyntaxNodeOrToken()))));
}
else if (value is JumpDestination jumpDestination)
{
return ObjectCreationExpression(
IdentifierName(nameof(JumpDestination)))
.WithInitializer(
InitializerExpression(
SyntaxKind.ObjectInitializerExpression,
SeparatedList<ExpressionSyntax>(
SyntaxNodeList(
Assignment<Vector3?>(nameof(JumpDestination.Position), jumpDestination.Position, null)
.AsSyntaxNodeOrToken(),
Assignment(nameof(JumpDestination.StopDistance), jumpDestination.StopDistance, null)
.AsSyntaxNodeOrToken(),
Assignment(nameof(JumpDestination.DelaySeconds), jumpDestination.DelaySeconds, null)
.AsSyntaxNodeOrToken()))));
}
else if (value is ExcelRef excelRef)
{
if (excelRef.Type == ExcelRef.EType.Key)
{
return ObjectCreationExpression(
IdentifierName(nameof(ExcelRef)))
.WithArgumentList(
ArgumentList(
SingletonSeparatedList(
Argument(LiteralValue(excelRef.AsKey())))));
}
else if (excelRef.Type == ExcelRef.EType.RowId)
{
return ObjectCreationExpression(
IdentifierName(nameof(ExcelRef)))
.WithArgumentList(
ArgumentList(
SingletonSeparatedList(
Argument(LiteralValue(excelRef.AsRowId())))));
}
else
throw new Exception($"Unsupported ExcelRef type {excelRef.Type}");
}
else if (value is null)
return LiteralExpression(SyntaxKind.NullLiteralExpression);
else
throw new Exception($"Unsupported data type {value.GetType()} = {value}");
}
public static AssignmentExpressionSyntax? Assignment<T>(string name, T? value, T? defaultValue)
{
if (value == null && defaultValue == null)
return null;
if (value != null && defaultValue != null && value.Equals(defaultValue))
return null;
return AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
IdentifierName(name),
LiteralValue(value));
}
public static AssignmentExpressionSyntax? AssignmentList<T>(string name, IEnumerable<T> value)
{
IEnumerable<T> list = value.ToList();
if (!list.Any())
return null;
return AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
IdentifierName(name),
CollectionExpression(
SeparatedList<CollectionElementSyntax>(
SyntaxNodeList(list.Select(x => ExpressionElement(
LiteralValue(x)).AsSyntaxNodeOrToken()).ToArray())
)));
}
public static SyntaxNodeOrToken? AsSyntaxNodeOrToken(this SyntaxNode? node)
{
if (node == null)
return null;
return node;
}
}