EP Symbolization 完成ScopeWords解析
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ninemine
@@ -6,104 +6,87 @@ namespace Convention.Symbolization.Internal
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{
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public abstract class Keyword : CloneableVariable<Keyword>
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{
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protected Keyword(string keyword) : base(keyword)
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{
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Keywords.TryAdd(keyword, this);
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}
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protected Keyword(string keyword) : base(keyword) { }
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public static readonly Dictionary<string, Keyword> Keywords = new();
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public static readonly Dictionary<string, Keyword> Keywords = new()
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{
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{ "import", new Convention.Symbolization.Keyword.Import() },
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{ "namespace", new Convention.Symbolization.Keyword.Namespace() },
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{ "def", new Convention.Symbolization.Keyword.FunctionDef() },
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{ "return", new Convention.Symbolization.Keyword.Return() },
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{ "if", new Convention.Symbolization.Keyword.If() },
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{ "elif", new Convention.Symbolization.Keyword.Elif() },
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{ "else", new Convention.Symbolization.Keyword.Else() },
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{ "while", new Convention.Symbolization.Keyword.While() },
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{ "break", new Convention.Symbolization.Keyword.Break() },
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{ "continue", new Convention.Symbolization.Keyword.Continue() },
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{ "struct", new Convention.Symbolization.Keyword.Structure() }
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};
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public override bool Equals(Keyword other)
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{
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return this.GetType() == other.GetType();
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}
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public virtual Keyword ControlContext(SymbolizationContext context, int line, int wordIndex, Variable next)
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public virtual bool ControlScope(SymbolizationContext context, int line, int wordIndex, Variable next)
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{
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return ControlContext(context, next);
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return ControlScope(context, next);
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}
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protected virtual Keyword ControlContext(SymbolizationContext context, Variable next)
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protected virtual bool ControlScope(SymbolizationContext context, Variable next)
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{
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return null;
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return true;
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}
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}
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public abstract class Keyword<T> : Keyword where T : Keyword<T>, new()
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{
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private static T MyInstance = new();
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protected Keyword(string keyword) : base(keyword)
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{
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}
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protected Keyword(string keyword) : base(keyword) { }
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public override bool Equals(Variable other)
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{
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return MyInstance == other;
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return other is T;
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}
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public override Keyword CloneVariable(string targetSymbolName)
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{
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return new T();
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}
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}
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}
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namespace Convention.Symbolization.Keyword
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{
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/// <summary>
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/// <b><see langword="import"/> file</b>
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/// </summary>
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public sealed class Import : Internal.Keyword<Import>
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public abstract class SingleKeyword<T> : Internal.Keyword<T> where T : SingleKeyword<T>, new()
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{
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public Import() : base("import")
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protected SingleKeyword(string keyword) : base(keyword)
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{
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}
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public override Internal.Keyword CloneVariable(string targetSymbolName)
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protected override bool ControlScope(SymbolizationContext context, Internal.Variable next)
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{
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return new Import();
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}
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private ToolFile ImportFile = new("./");
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private string buffer = "";
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protected override Internal.Keyword ControlContext(SymbolizationContext context, Internal.Variable next)
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{
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if (next is not Internal.ScriptWordVariable swv)
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{
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throw new InvalidGrammarException($"Not expected a key word: {next}");
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}
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if (swv.word == ";")
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{
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var importContext = new SymbolizationContext(context);
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importContext.Compile(ImportFile);
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return null;
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}
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else if (swv.word == ".")
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{
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ImportFile = ImportFile | buffer;
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buffer = "";
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if (ImportFile.Exists() == false)
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throw new FileNotFoundException($"File path not found: {ImportFile}", ImportFile);
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}
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else
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{
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buffer += swv.word;
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}
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return this;
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if (next is not Internal.ScriptWordVariable swv ||swv.word!=";")
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throw new InvalidGrammarException($"Expected ';' but got {next}");
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return true;
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}
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}
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/// <summary>
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/// <b><see langword="namespace"/> name { ... }</b>
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/// </summary>
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public sealed class Namespace : Internal.Keyword<Namespace>
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public abstract class SentenceKeyword<T> : Internal.Keyword<T> where T : SentenceKeyword<T>, new()
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{
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public Namespace() : base("namespace")
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protected SentenceKeyword(string keyword) : base(keyword)
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{
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}
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public override Internal.Keyword CloneVariable(string targetSymbolName)
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protected override bool ControlScope(SymbolizationContext context, Internal.Variable next)
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{
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return new Namespace();
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if (next is not Internal.ScriptWordVariable swv)
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throw new InvalidGrammarException($"Not expected a key word: {next}");
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return swv.word != ";";
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}
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}
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public abstract class NamespaceKeyword<T> : Internal.Keyword<T> where T : NamespaceKeyword<T>, new()
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{
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protected NamespaceKeyword(string keyword) : base(keyword)
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{
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}
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private enum Pause
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{
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Name, Body
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@@ -111,50 +94,134 @@ namespace Convention.Symbolization.Keyword
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private Pause pause = Pause.Name;
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private int layer = 0;
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private SymbolizationContext bulidingContext = null;
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private Dictionary<int, Dictionary<int, Internal.Variable>> subScriptWords = new();
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public override Internal.Keyword ControlContext(SymbolizationContext context,int line,int wordIndex, Internal.Variable next)
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protected override bool ControlScope(SymbolizationContext context, Internal.Variable next)
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{
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if (next is not Internal.ScriptWordVariable swv)
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{
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throw new InvalidGrammarException($"Not expected a key word: {next}");
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}
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if (pause == Pause.Name)
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{
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bulidingContext = new(context, context.CurrentNamespace.CreateOrGetSubNamespace(swv.word));
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bulidingContext.CurrentNamespace.BeginUpdate();
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pause = Pause.Body;
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}
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else
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{
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if (swv.word == "{")
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layer++;
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else if (swv.word == "}")
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layer--;
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if (layer == 0)
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if (next is Internal.ScriptWordVariable swv)
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{
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bulidingContext.Compile(subScriptWords);
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bulidingContext.CurrentNamespace.EndAndTryApplyUpdate();
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return null;
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if (swv.word == "{")
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{
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pause = Pause.Body;
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layer++;
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}
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return true;
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}
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else
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{
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if (subScriptWords.TryGetValue(line, out var rline) == false)
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{
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subScriptWords.Add(line, rline = new());
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}
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rline.Add(wordIndex, next);
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throw new InvalidGrammarException($"Expected a script word variable for namespace name, but got {next}");
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}
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}
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return this;
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else
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{
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if (next is Internal.ScriptWordVariable swv)
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{
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if (swv.word == "{")
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layer++;
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else if (swv.word == "}")
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layer--;
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if (layer == 0)
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{
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return false;
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}
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}
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return true;
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}
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}
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}
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public abstract class VerbObjectScopeKeyword<T> : Internal.Keyword<T> where T : VerbObjectScopeKeyword<T>, new()
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{
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protected VerbObjectScopeKeyword(string keyword) : base(keyword)
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{
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}
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private enum Pause
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{
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BeforeExpression, Expression, BeforeBody, Body, SingleSentence
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}
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private Pause pause = Pause.BeforeExpression;
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private int layer = 0;
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protected override bool ControlScope(SymbolizationContext context, Internal.Variable next)
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{
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if (pause == Pause.BeforeExpression)
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{
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if (next is not Internal.ScriptWordVariable swv)
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throw new InvalidGrammarException($"Not expected a key word: {next}");
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if (swv.word == "(")
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pause = Pause.Expression;
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else
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throw new InvalidGrammarException($"Expected '(' symbol for expression start, but got {next}");
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}
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else if (pause == Pause.Expression)
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{
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if (next is Internal.ScriptWordVariable swv && swv.word == ")")
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{
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pause = Pause.BeforeBody;
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}
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}
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else if (pause == Pause.BeforeBody)
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{
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if (next is not Internal.ScriptWordVariable swv)
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throw new InvalidGrammarException($"Not expected keyword for body start, but got {next}");
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if (swv.word == "{")
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{
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pause = Pause.Body;
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layer++;
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}
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else
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pause = Pause.SingleSentence;
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}
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else if (pause == Pause.Body)
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{
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if (next is Internal.ScriptWordVariable swv)
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{
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if (swv.word == "{")
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layer++;
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else if (swv.word == "}")
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layer--;
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if (layer == 0)
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return false;
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}
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}
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else if (pause == Pause.SingleSentence)
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{
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if (next is Internal.ScriptWordVariable swv && swv.word == ";")
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{
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return false;
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}
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}
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return true;
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}
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}
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/// <summary>
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/// <b><see langword="import"/> file</b>
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/// </summary>
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public sealed class Import : SentenceKeyword<Import>
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{
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public Import() : base("import")
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{
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}
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}
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/// <summary>
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/// <b><see langword="namespace"/> name { ... }</b>
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/// </summary>
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public sealed class Namespace : NamespaceKeyword<Namespace>
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{
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public Namespace() : base("namespace")
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{
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}
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}
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/// <summary>
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/// <b><see langword="def"/> FunctionName(parameter-list) return-type { ... return return-type-instance; }</b>
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/// </summary>
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public sealed class FunctionDef : Internal.Keyword<FunctionDef>
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public sealed class FunctionDef : NamespaceKeyword<FunctionDef>
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{
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public FunctionDef() : base("def")
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{
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@@ -164,7 +231,7 @@ namespace Convention.Symbolization.Keyword
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/// <summary>
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/// <b><see langword="return"/> symbol;</b>
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/// </summary>
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public sealed class Return : Internal.Keyword<Return>
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public sealed class Return : SentenceKeyword<Return>
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{
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public Return() : base("return")
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{
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@@ -174,7 +241,7 @@ namespace Convention.Symbolization.Keyword
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/// <summary>
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/// <b><see langword="if"/>(bool-expression) expression</b>
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/// </summary>
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public sealed class If : Internal.Keyword<If>
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public sealed class If : VerbObjectScopeKeyword<If>
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{
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public If() : base("if")
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{
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@@ -182,9 +249,21 @@ namespace Convention.Symbolization.Keyword
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}
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/// <summary>
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/// <b><see langword="if"/> expression <see langword="else"/> expression</b>
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/// <b><see langword="if"/> expression <see langword="elif"/> expression</b><para></para>
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/// <b><see langword="if"/> expression <see langword="elif"/> expression <see langword="elif"/> expression...</b>
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/// </summary>
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public sealed class Else : Internal.Keyword<Else>
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public sealed class Elif : VerbObjectScopeKeyword<Elif>
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{
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public Elif() : base("elif")
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{
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}
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}
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/// <summary>
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/// <b><see langword="if"/> expression <see langword="else"/> expression</b><para></para>
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/// <b><see langword="if"/> expression <see langword="elif"/> expression... <see langword="else"/> expression</b>
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/// </summary>
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public sealed class Else : NamespaceKeyword<Else>
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{
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public Else() : base("else")
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{
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@@ -194,7 +273,7 @@ namespace Convention.Symbolization.Keyword
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/// <summary>
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/// <b><see langword="while"/>(bool-expression) expression</b>
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/// </summary>
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public sealed class While : Internal.Keyword<While>
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public sealed class While : VerbObjectScopeKeyword<While>
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{
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public While() : base("while")
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{
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@@ -204,7 +283,7 @@ namespace Convention.Symbolization.Keyword
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/// <summary>
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/// <b><see langword="break"/>;</b>
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/// </summary>
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public sealed class Break : Internal.Keyword<Break>
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public sealed class Break : SingleKeyword<Break>
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{
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public Break() : base("break")
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{
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@@ -214,7 +293,7 @@ namespace Convention.Symbolization.Keyword
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/// <summary>
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/// <b><see langword="continue"/>;</b>
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/// </summary>
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public sealed class Continue : Internal.Keyword<Continue>
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public sealed class Continue : SingleKeyword<Continue>
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{
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public Continue() : base("continue")
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{
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@@ -224,7 +303,7 @@ namespace Convention.Symbolization.Keyword
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/// <summary>
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/// <b><see langword="struct"/> structureName { ... }</b>
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/// </summary>
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public sealed class Structure : Internal.Keyword<Structure>
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public sealed class Structure : NamespaceKeyword<Structure>
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{
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public Structure() : base("struct")
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{
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