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package org.jruby.compiler;

import org.jruby.runtime.CallType;

import org.jruby.compiler.impl.SkinnyMethodAdapter;
import org.jruby.internal.runtime.methods.DynamicMethod.NativeCall;

/**
 *
 * @author headius
 */
public interface InvocationCompiler {
    public SkinnyMethodAdapter getMethodAdapter();
    public void setMethodAdapter(SkinnyMethodAdapter sma);
    
    /**
     * Invoke the named method as a "function", i.e. as a method on the current "self"
     * object, using the specified argument count. It is expected that previous calls
     * to the compiler has prepared the exact number of argument values necessary for this
     * call. Those values will be consumed, and the result of the call will be generated.
     */
    public void invokeDynamic(String name, CompilerCallback receiverCallback, ArgumentsCallback argsCallback, CallType callType, CompilerCallback closureArg, boolean iterator);
    
    /**
     * Same as invokeDynamic, but uses incoming IRubyObject[] arg count to dispatch
     * to the proper-arity path.
     */
    public void invokeDynamicVarargs(String name, CompilerCallback receiverCallback, ArgumentsCallback argsCallback, CallType callType, CompilerCallback closureArg, boolean iterator);
    
    public void invokeOpAsgnWithOr(String attrName, String attrAsgnName, CompilerCallback receiverCallback, ArgumentsCallback argsCallback);
    public void invokeOpAsgnWithAnd(String attrName, String attrAsgnName, CompilerCallback receiverCallback, ArgumentsCallback argsCallback);
    public void invokeOpAsgnWithMethod(String opName, String attrName, String attrAsgnName, CompilerCallback receiverCallback, ArgumentsCallback argsCallback);
    
    /**
     * Attr assign calls have slightly different semantics that normal calls, so this method handles those additional semantics.
     */
    /**
     * The masgn version has the value to be assigned already on the stack,
     * and so uses a different path to perform the assignment.
     * 
     * @param name
     * @param receiverCallback
     * @param argsCallback
     */
    public void invokeAttrAssignMasgn(String name, CompilerCallback receiverCallback, ArgumentsCallback argsCallback);
    public void invokeAttrAssign(String name, CompilerCallback receiverCallback, ArgumentsCallback argsCallback);
    
    public void opElementAsgnWithOr(CompilerCallback receiverCallback, ArgumentsCallback argsCallback, CompilerCallback valueCallback);
    
    public void opElementAsgnWithAnd(CompilerCallback receiverCallback, ArgumentsCallback argsCallback, CompilerCallback valueCallback);
    
    public void opElementAsgnWithMethod(CompilerCallback receiverCallback, ArgumentsCallback argsCallback, CompilerCallback valueCallback, String operator);
    
    /**
     * Invoke the block passed into this method, or throw an error if no block is present.
     * If arguments have been prepared for the block, specify true. Otherwise the default
     * empty args will be used.
     */
    public void yield(CompilerCallback argsCallback, boolean unwrap);

    /**
     * Invoke the block passed into this method, or throw an error if no block is present.
     * If arguments have been prepared for the block, specify true. Otherwise the default
     * empty args will be used. Use specific-arity call paths if possible.
     */
    public void yieldSpecific(ArgumentsCallback argsCallback);
    
    /**
     * Used for when nodes with a case; assumes stack is ..., case_value, when_cond_array
     */
    public void invokeEqq(ArgumentsCallback receivers, CompilerCallback argument);

    public void invokeBinaryFixnumRHS(String name, CompilerCallback receiverCallback, long fixnum);
    public void invokeBinaryFloatRHS(String name, CompilerCallback receiverCallback, double flote);

    public void invokeFixnumLong(String rubyName, int moduleGeneration, CompilerCallback receiverCallback, String methodName, long fixnum);
    public void invokeFloatDouble(String rubyName, int moduleGeneration, CompilerCallback receiverCallback, String methodName, double flote);

    public void invokeRecursive(String name, int moduleGeneration, ArgumentsCallback argsCallback, CompilerCallback closure, CallType callType, boolean iterator);

    public void invokeNative(String name, NativeCall nativeCall, int generation, CompilerCallback receiver, ArgumentsCallback args, CompilerCallback closure, CallType callType, boolean iterator);

    public void invokeTrivial(String name, int generation, CompilerCallback body);
}
