正在新增编译缓存功能,用于加速与加密

DoRunner/DefineVariableRunner.cs

@@ -6,6 +6,66 @@ namespace Convention.RScript.Runner
 {
     public class DefineVariableRunner : IRSentenceRunner
     {
+        public void Compile(ExpressionParser parser, RScriptSentence sentence, RScriptContext context)
+        {
+            var varTypeName = sentence.info[0];
+            var varName = sentence.info[1];
+            var varInitExpression = sentence.info[2];
+            Type varType;
+            object varDefaultValue;
+            {
+                if (varTypeName == "string")
+                {
+                    varType = typeof(string);
+                    varDefaultValue = "";
+                }
+                else if (varTypeName == "int")
+                {
+                    varType = typeof(int);
+                    if (varInitExpression != null) parser.Compile<int>(varInitExpression);
+                    varDefaultValue = 0;
+                }
+                else if (varTypeName == "double")
+                {
+                    varType = typeof(double);
+                    if (varInitExpression != null) parser.Compile<double>(varInitExpression);
+                    varDefaultValue = 0.0;
+                }
+                else if (varTypeName == "float")
+                {
+                    varType = typeof(float);
+                    if (varInitExpression != null) parser.Compile<float>(varInitExpression);
+                    varDefaultValue = 0.0f;
+                }
+                else if (varTypeName == "bool")
+                {
+                    varType = typeof(bool);
+                    if (varInitExpression != null) parser.Compile<bool>(varInitExpression);
+                    varDefaultValue = false;
+                }
+                else if (varTypeName == "var")
+                {
+                    varType = typeof(object);
+                    if (varInitExpression != null) parser.Compile(varInitExpression);
+                    varDefaultValue = new object();
+                }
+                else
+                {
+                    throw new RScriptRuntimeException($"Unsupported variable type '{varTypeName}'.", context.CurrentRuntimePointer);
+                }
+            }
+            if (context.CurrentLocalSpaceVariableNames.Peek().Contains(varName) == false)
+            {
+                context.Variables.Add(varName, new(varType, default));
+                parser.context.Variables[varName] = varDefaultValue;
+                context.CurrentLocalSpaceVariableNames.Peek().Add(varName);
+            }
+            else
+            {
+                throw new RScriptRuntimeException($"Variable '{varName}' already defined on this namespace.", context.CurrentRuntimePointer);
+            }
+        }
+
         [return: MaybeNull]
         public object Run(ExpressionParser parser, RScriptSentence sentence, RScriptContext context)
         {