From e191c1e077d880eaa67660433b1a2ecdf3eff722 Mon Sep 17 00:00:00 2001
From: Lan_G <2911328695@qq.com>
Date: Wed, 13 Mar 2024 16:39:00 +0800
Subject: [PATCH] add: exceptions(#7)

Reviewed-on: https://git.rrricardo.top/PostGuard/Canon/pulls/7
Co-authored-by: Lan_G <2911328695@qq.com>
Co-committed-by: Lan_G <2911328695@qq.com>
---
 Canon.Core/Exceptions/GrammarException.cs  | 12 +++++++++++
 Canon.Core/Exceptions/LexemeException.cs   | 25 ++++++++++++++++++++++
 Canon.Core/Exceptions/SemanticException.cs | 12 +++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 Canon.Core/Exceptions/GrammarException.cs
 create mode 100644 Canon.Core/Exceptions/LexemeException.cs
 create mode 100644 Canon.Core/Exceptions/SemanticException.cs

diff --git a/Canon.Core/Exceptions/GrammarException.cs b/Canon.Core/Exceptions/GrammarException.cs
new file mode 100644
index 0000000..59fa1de
--- /dev/null
+++ b/Canon.Core/Exceptions/GrammarException.cs
@@ -0,0 +1,12 @@
+namespace Canon.Core.Exceptions;
+/// <summary>
+/// 语法分析中引发的异常
+/// </summary>
+public class GrammarException : Exception
+{
+    public GrammarException()  { }
+
+    public GrammarException(string message) : base(message) { }
+
+    public GrammarException(string message, Exception innerException) : base(message, innerException) { }
+}
diff --git a/Canon.Core/Exceptions/LexemeException.cs b/Canon.Core/Exceptions/LexemeException.cs
new file mode 100644
index 0000000..b20c4ed
--- /dev/null
+++ b/Canon.Core/Exceptions/LexemeException.cs
@@ -0,0 +1,25 @@
+namespace Canon.Core.Exceptions;
+/// <summary>
+/// 词法分析中引发的异常
+/// </summary>
+public class LexemeException : Exception
+{
+    public LexemeException()  { }
+
+    public LexemeException(string message) : base(message) { }
+
+    public LexemeException(string message, Exception innerException) :
+        base(message, innerException) { }
+
+    /// <param name="line">单词的行号</param>
+    /// <param name="charPosition">单词的列号</param>
+    /// <param name="message">错误信息</param>
+    public LexemeException(uint line, uint charPosition, string message) :
+        base("line:" + line + ", charPosition:" + charPosition + " :" + message) { }
+
+    public LexemeException(uint line, uint charPosition, Exception innerException) :
+        base("line:" + line + ", charPosition:" + charPosition + " : ", innerException) { }
+
+    public LexemeException(uint line, uint charPosition, string message, Exception innerException) :
+        base("line:" + line + ", charPosition:" + charPosition + " :" + message, innerException) { }
+}
diff --git a/Canon.Core/Exceptions/SemanticException.cs b/Canon.Core/Exceptions/SemanticException.cs
new file mode 100644
index 0000000..ddb9201
--- /dev/null
+++ b/Canon.Core/Exceptions/SemanticException.cs
@@ -0,0 +1,12 @@
+namespace Canon.Core.Exceptions;
+/// <summary>
+/// 语义分析中引发的异常
+/// </summary>
+public class SemanticException : Exception
+{
+    public SemanticException() : base() { }
+
+    public SemanticException(string message) : base(message) { }
+
+    public SemanticException(string message, Exception innerException) : base(message, innerException) { }
+}