src/main/java/org/zwobble/couscous/interpreter/Interpreter.java


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package org.zwobble.couscous.interpreter;

import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

import org.zwobble.couscous.Project;
import org.zwobble.couscous.ast.TypeName;
import org.zwobble.couscous.ast.ExpressionNode;
import org.zwobble.couscous.interpreter.values.InterpreterValue;

import com.google.common.collect.ImmutableMap;

import static org.zwobble.couscous.ast.LiteralNode.literal;
import static org.zwobble.couscous.ast.StaticMethodCallNode.staticMethodCall;
import static org.zwobble.couscous.interpreter.Evaluator.eval;

import lombok.val;

public class Interpreter {
    private Project project;

    public Interpreter(Project project) {
        this.project = project;
    }
    
    public InterpreterValue run(TypeName className, String methodName, List<InterpreterValue> arguments) {
        val argumentExpressions = arguments
            .stream()
            .<ExpressionNode>map(argument -> literal(argument.toPrimitiveValue().get()))
            .collect(Collectors.toList());
        return eval(new Environment(project, Optional.empty(), ImmutableMap.of()),
            staticMethodCall(className, methodName, argumentExpressions));
    }
}