尝试新增命名空间的命名, 用于具有名称的块或是函数

This commit is contained in:
2025-10-15 16:50:10 +08:00
parent 4f358c9664
commit b8a87bae4c
4 changed files with 130 additions and 75 deletions

View File

@@ -1,4 +1,6 @@
namespace Convention.RScript.Matcher
using System.Text.RegularExpressions;
namespace Convention.RScript.Matcher
{
public class NamespaceMater : IRSentenceMatcher
{
@@ -14,6 +16,21 @@
sentence.mode = RScriptSentence.Mode.ExitNamespace;
return true;
}
else if (expression.StartsWith("namespace"))
{
sentence.mode = RScriptSentence.Mode.NamedSpace;
Regex regex = new(@"namespace\s*\(([a-zA-Z_][a-zA-Z0-9_]*)\)");
var match = regex.Match(expression);
if (match.Success)
{
sentence.content = match.Groups[1].Value;
return true;
}
else
{
throw new RScriptRuntimeException("Invalid namespace declaration", -1);
}
}
return false;
}
}

View File

@@ -3,9 +3,16 @@
namespace Convention.RScript
{
[Serializable]
public class RScriptException : Exception
public class RScriptRuntimeException : Exception
{
public RScriptException(string message, int runtimePointer) : base($"when running {runtimePointer}, {message}") { }
public RScriptException(string message, int runtimePointer, Exception inner) : base($"when running {runtimePointer}, {message}", inner) { }
public RScriptRuntimeException(string message, int runtimePointer) : base($"when running {runtimePointer}, {message}") { }
public RScriptRuntimeException(string message, int runtimePointer, Exception inner) : base($"when running {runtimePointer}, {message}", inner) { }
}
[Serializable]
public class RScriptCompileException : Exception
{
public RScriptCompileException(string message, int line, int chIndex) : base($"when compile on line {line} char {chIndex}, {message}") { }
public RScriptCompileException(string message, int line, int chIndex, Exception inner) : base($"when compile on line {line} char {chIndex}, {message}", inner) { }
}
}

View File

@@ -32,11 +32,11 @@ namespace Convention.RScript
/// </summary>
ExitNamespace,
/// <summary>
/// 标签, 格式: label(labelname)
/// 标签, 格式: label(labelname);
/// </summary>
Label,
/// <summary>
/// 跳转到指定标签, 格式: goto(boolean,labelname)
/// 跳转到指定标签, 格式: goto(boolean,labelname);
/// <para>判断为真时跳转到labelname</para>
/// </summary>
Goto,
@@ -48,6 +48,10 @@ namespace Convention.RScript
/// 跳转到上次跳转的位置的后一个位置, 格式: back(boolean);
/// </summary>
Backpoint,
/// <summary>
/// 命名空间命名, 格式: namespace(labelname){}
/// </summary>
NamedSpace,
}
public string content;
@@ -66,7 +70,8 @@ namespace Convention.RScript
public readonly RScriptVariables Variables;
private readonly RScriptSentence[] Sentences;
private readonly Dictionary<string, int> Labels;
private readonly Dictionary<int, int> Namespace;
private readonly Dictionary<int, int> NamespaceLayer;
private readonly Dictionary<string, int> NamespaceLabels;
public List<IRSentenceMatcher> SentenceParser = new()
{
@@ -86,8 +91,8 @@ namespace Convention.RScript
mode = RScriptSentence.Mode.Expression
};
expression = expression.Trim();
expression.TrimEnd(';');
SentenceParser.Any(matcher => matcher.Match(expression, ref result));
expression = expression.TrimEnd(';');
var _ = SentenceParser.Any(matcher => matcher.Match(expression, ref result));
return result;
}
@@ -107,14 +112,14 @@ namespace Convention.RScript
else if (Sentences[i].mode == RScriptSentence.Mode.ExitNamespace)
{
if (namespaceLayers.Count == 0)
throw new RScriptException("Namespace exit without enter.", i);
throw new RScriptRuntimeException("Namespace exit without enter.", i);
var enterPointer = namespaceLayers.Pop();
namespaceIndicator[enterPointer] = i;
}
}
if (namespaceLayers.Count > 0)
{
throw new RScriptException("Namespace enter without exit.", namespaceLayers.Peek());
throw new RScriptRuntimeException("Namespace enter without exit.", namespaceLayers.Peek());
}
}
@@ -124,8 +129,9 @@ namespace Convention.RScript
this.Variables = variables ?? new();
this.Sentences = (from item in expressions select ParseToSentence(item)).ToArray();
this.Labels = new();
this.Namespace = new();
BuildUpLabelsAndNamespace(ref this.Labels, ref this.Namespace);
this.NamespaceLayer = new();
this.NamespaceLabels = new();
BuildUpLabelsAndNamespace(ref this.Labels, ref this.NamespaceLayer);
}
@@ -171,7 +177,7 @@ namespace Convention.RScript
}
else
{
throw new RScriptException($"Unsupported variable type '{varTypeName}'.", CurrentRuntimePointer);
throw new RScriptRuntimeException($"Unsupported variable type '{varTypeName}'.", CurrentRuntimePointer);
}
}
if (CurrentLocalSpaceVariableNames.Peek().Contains(varName) == false)
@@ -182,7 +188,7 @@ namespace Convention.RScript
}
else
{
throw new RScriptException($"Variable '{varName}' already defined on this namespace.", CurrentRuntimePointer);
throw new RScriptRuntimeException($"Variable '{varName}' already defined on this namespace.", CurrentRuntimePointer);
}
}
@@ -252,7 +258,7 @@ namespace Convention.RScript
}
else
{
throw new RScriptException($"Label '{sentence.content}' not found.", CurrentRuntimePointer);
throw new RScriptRuntimeException($"Label '{sentence.content}' not found.", CurrentRuntimePointer);
}
}
}
@@ -266,7 +272,7 @@ namespace Convention.RScript
{
CurrentRuntimePointer = Sentences.Length;
}
else if (Namespace.TryGetValue(RuntimePointerStack.Peek(), out var exitPointer))
else if (NamespaceLayer.TryGetValue(RuntimePointerStack.Peek(), out var exitPointer))
{
CurrentRuntimePointer = exitPointer;
DoExitNamespace(parser);

View File

@@ -19,10 +19,7 @@ namespace Convention.RScript
StringBuilder builder = new();
List<string> statements = new();
for (int i = 0, e = script.Length; i < e; i++)
{
char c = script[i];
if (c == ';')
void PushBuilder()
{
if (builder.Length > 0)
{
@@ -30,6 +27,18 @@ namespace Convention.RScript
builder.Clear();
}
}
var lines = script.Split(new[] { "\r\n", "\n" }, StringSplitOptions.None);
for (int lineIndex = 0; lineIndex < lines.Length; lineIndex++)
{
string line = lines[lineIndex];
for (int i = 0, e = line.Length; i < e; i++)
{
char c = line[i];
if (c == ';')
{
PushBuilder();
}
else if (c == '/' && i + 1 < e)
{
// Skip single-line comment
@@ -72,29 +81,45 @@ namespace Convention.RScript
if (i < e)
builder.Append(script[i]);
else
throw new RScriptException("Invalid escape sequence in string literal", -1);
throw new RScriptCompileException("Invalid escape sequence in string literal", lineIndex, i);
}
}
}
else if (c == '{' || c == '}')
{
// Treat braces as statement separators
if (builder.Length > 0)
{
statements.Add(builder.ToString().Trim());
builder.Clear();
}
PushBuilder();
statements.Add(c.ToString());
}
else if (string.Compare("namespace", 0, script, i, "namespace".Length) == 0)
{
builder.Append("namespace");
i += "namespace".Length;
if (i >= e)
throw new RScriptCompileException("Invalid namespace declaration", lineIndex, i);
Regex regex = new(@"^\s*\([a-zA-Z_][a-zA-Z0-9_]*\)");
var match = regex.Match(script, i);
if (match.Success)
{
builder.Append(match.Value);
PushBuilder();
i += match.Length;
}
else
{
throw new RScriptCompileException("Invalid namespace declaration", lineIndex, i);
}
// 前面的操作中已经完成位移, 此处是抵消循环中的i++
i -= 1;
}
else
{
builder.Append(c);
}
}
}
if (builder.Length > 0)
{
statements.Add(builder.ToString().Trim());
builder.Clear();
PushBuilder();
}
return statements.Where(s => !string.IsNullOrWhiteSpace(s));