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EP Symbolization 完善关键字行为

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This commit is contained in:
LiuBai095
2025-07-08 00:17:44 +08:00
parent 71fc384095
commit e8286f711f
1 changed files with 87 additions and 25 deletions
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110
Convention/[Symbolization]/Detail/Keyword.cs
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@@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using static System.Net.Mime.MediaTypeNames;
namespace Convention.Symbolization.Internal
@@ -217,9 +218,7 @@ namespace Convention.Symbolization.Keyword
}
else if (pause == Pause.BeforeBody)
{
if (next is not Internal.ScriptWordVariable swv)
throw new InvalidGrammarException($"Not expected keyword for body start, but got {next}");
if (swv.Word == "{")
if (next is Internal.ScriptWordVariable swv && swv.Word == "{")
{
pause = Pause.Body;
layer++;
@@ -249,60 +248,68 @@ namespace Convention.Symbolization.Keyword
return true;
}
public abstract void BuildSpace(
SymbolizationContext context,
List<Internal.Variable> spaceExpression,
Dictionary<Internal.Variable, Internal.Variable> scopeStartAndEnd,
List<Internal.Variable> insideScopeWords
);
public override void BuildScope(SymbolizationContext context, List<Internal.Variable> scopeWords)
{
pause = Pause.BeforeExpression;
layer = 0;
var pause = Pause.BeforeExpression;
List<Internal.Variable> expression = new();
Dictionary<Internal.Variable, Internal.Variable> scopeStartAndEnd = new();
List<Internal.Variable> insideScopeWords = new();
Stack<Internal.Variable> stack = new();
foreach (var word in scopeWords)
{
if (pause == Pause.BeforeExpression)
{
if (next is not Internal.ScriptWordVariable swv)
throw new InvalidGrammarException($"Not expected a key Word: {next}");
if (swv.Word == "(")
pause = Pause.Expression;
else
throw new InvalidGrammarException($"Expected '(' symbol for expression start, but got {next}");
}
else if (pause == Pause.Expression)
{
if (next is Internal.ScriptWordVariable swv && swv.Word == ")")
if (word is Internal.ScriptWordVariable swv && swv.Word == ")")
{
pause = Pause.BeforeBody;
}
else
{
expression.Add(word);
}
}
else if (pause == Pause.BeforeBody)
{
if (next is not Internal.ScriptWordVariable swv)
throw new InvalidGrammarException($"Not expected keyword for body start, but got {next}");
if (swv.Word == "{")
if (word is Internal.ScriptWordVariable swv && swv.Word == "{")
{
pause = Pause.Body;
layer++;
stack.Push(word);
}
else
{
pause = Pause.SingleSentence;
insideScopeWords.Add(word);
}
}
else if (pause == Pause.Body)
{
if (next is Internal.ScriptWordVariable swv)
if (word is Internal.ScriptWordVariable swv)
{
if (swv.Word == "{")
layer++;
stack.Push(word);
else if (swv.Word == "}")
layer--;
if (layer == 0)
return false;
scopeStartAndEnd.Add(stack.Pop(), word);
}
else
insideScopeWords.Add(word);
}
else if (pause == Pause.SingleSentence)
{
if (next is Internal.ScriptWordVariable swv && swv.Word == ";")
{
return false;
}
insideScopeWords.Add(word);
}
}
BuildSpace(context, expression, scopeStartAndEnd, insideScopeWords);
}
}
@@ -315,6 +322,14 @@ namespace Convention.Symbolization.Keyword
{
}
public override void BuildSentence(SymbolizationContext context, List<Internal.Variable> sentence)
{
ToolFile importPath = new(string.Join('/', sentence.ConvertAll(x => (x as Internal.ScriptWordVariable).Word)));
if(importPath.Exists()==false)
throw new FileNotFoundException(importPath.ToString());
new SymbolizationContext(context).Compile(importPath);
}
public override Internal.Keyword CloneVariable(string targetSymbolName, int lineIndex, int wordIndex)
{
return new Import(lineIndex, wordIndex);
@@ -329,6 +344,18 @@ namespace Convention.Symbolization.Keyword
public Namespace(int lineIndex, int wordIndex) : base("namespace", lineIndex, wordIndex)
{
}
public override void BuildSpace(
SymbolizationContext context,
List<Internal.ScriptWordVariable> spaceExpression,
Dictionary<Internal.Variable, Internal.Variable> scopeStartAndEnd,
List<Internal.Variable> insideScopeWords
)
{
//TODO
//将命名空间放在新的子上下文中编译
}
public override Internal.Keyword CloneVariable(string targetSymbolName, int lineIndex, int wordIndex)
{
return new Namespace(lineIndex, wordIndex);
@@ -343,6 +370,18 @@ namespace Convention.Symbolization.Keyword
public FunctionDef(int lineIndex, int wordIndex) : base("def", lineIndex, wordIndex)
{
}
public override void BuildSpace(
SymbolizationContext context,
List<Internal.ScriptWordVariable> spaceExpression,
Dictionary<Internal.Variable, Internal.Variable> scopeStartAndEnd,
List<Internal.Variable> insideScopeWords
)
{
//TODO
//套用语法规则实现表达式向可执行语句的转换
}
public override Internal.Keyword CloneVariable(string targetSymbolName, int lineIndex, int wordIndex)
{
return new FunctionDef(lineIndex, wordIndex);
@@ -357,6 +396,16 @@ namespace Convention.Symbolization.Keyword
public Return(int lineIndex, int wordIndex) : base("return", lineIndex, wordIndex)
{
}
public override void BuildSentence(SymbolizationContext context, List<Internal.Variable> sentence)
{
var symbol = sentence[0];
//TODO
//直接转换为可执行语句
//在上下文中搜索被返回的symbol, 存在则返回对应对象, 不存在则返回symbol对象
//运行时检查返回值是否满足函数签名的返回值, 否则抛出异常
}
public override Internal.Keyword CloneVariable(string targetSymbolName, int lineIndex, int wordIndex)
{
return new Return(lineIndex, wordIndex);
@@ -371,6 +420,19 @@ namespace Convention.Symbolization.Keyword
public If(int lineIndex, int wordIndex) : base("if", lineIndex, wordIndex)
{
}
public override void BuildSpace(
SymbolizationContext context,
List<Internal.Variable> spaceExpression,
Dictionary<Internal.Variable, Internal.Variable> scopeStartAndEnd,
List<Internal.Variable> insideScopeWords
)
{
//TODO
//检查表达式是否成功, 成功则套用函数翻译规则将作用域翻译为可执行语句
//否则跳转到末尾
}
public override Internal.Keyword CloneVariable(string targetSymbolName, int lineIndex, int wordIndex)
{
return new If(lineIndex, wordIndex);