/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

#include <precomp.h>
#include "pe_param.hxx"


// NOT FULLY DEFINED SERVICES
#include <cosv/tpl/tpltools.hxx>
#include <ary/cpp/c_gate.hxx>
#include <ary/cpp/cp_type.hxx>
#include "pe_type.hxx"
#include "pe_vari.hxx"


namespace cpp {



//***********************		PE_Parameter		***********************//


PE_Parameter::PE_Parameter( Cpp_PE * i_pParent )
	:   Cpp_PE(i_pParent),
        pStati( new PeStatusArray<PE_Parameter> )
	    // pSpType,
	    // pSpuType,
	    // pSpVariable,
	    // pSpuVariable,
        // aResultParamInfo
{
	Setup_StatusFunctions();

    pSpType         = new SP_Type(*this);
	pSpuType        = new SPU_Type(*pSpType, &PE_Parameter::SpInit_Type, &PE_Parameter::SpReturn_Type);
	pSpVariable     = new SP_Variable(*this);
	pSpuVariable    = new SPU_Variable(*pSpVariable, &PE_Parameter::SpInit_Variable, &PE_Parameter::SpReturn_Variable);
}

PE_Parameter::~PE_Parameter()
{
}

void
PE_Parameter::Call_Handler( const cpp::Token & i_rTok )
{
	pStati->Cur().Call_Handler(i_rTok.TypeId(), i_rTok.Text());
}

void
PE_Parameter::Setup_StatusFunctions()
{
	typedef CallFunction<PE_Parameter>::F_Tok	F_Tok;
	static F_Tok stateF_start[] =			{ &PE_Parameter::On_start_Type,
											  &PE_Parameter::On_start_Type,
											  &PE_Parameter::On_start_Type,
											  &PE_Parameter::On_start_Type,
											  &PE_Parameter::On_start_Type,

											  &PE_Parameter::On_start_Type,
											  &PE_Parameter::On_start_Type,
											  &PE_Parameter::On_start_Bracket_Right,
											  &PE_Parameter::On_start_Type,
                                              &PE_Parameter::On_start_Ellipse,

											  &PE_Parameter::On_start_Type,
											  &PE_Parameter::On_start_Type,
                                              &PE_Parameter::On_start_Type };
	static INT16 stateT_start[] =       	{ Tid_Identifier,
											  Tid_class,
											  Tid_struct,
											  Tid_union,
											  Tid_enum,

											  Tid_const,
											  Tid_volatile,
											  Tid_Bracket_Right,
											  Tid_DoubleColon,
                                              Tid_Ellipse,

											  Tid_typename,
                                              Tid_BuiltInType,
											  Tid_TypeSpecializer };

	static F_Tok stateF_expectName[] =		{ &PE_Parameter::On_expectName_Identifier,
											  &PE_Parameter::On_expectName_ArrayBracket_Left,
											  &PE_Parameter::On_expectName_Bracket_Right,
											  &PE_Parameter::On_expectName_Comma,
											  &PE_Parameter::On_afterName_Assign  };
	static INT16 stateT_expectName[] =     	{ Tid_Identifier,
											  Tid_ArrayBracket_Left,
											  Tid_Bracket_Right,
                                              Tid_Comma,
											  Tid_Assign };
	static F_Tok stateF_afterName[] =		{ &PE_Parameter::On_afterName_ArrayBracket_Left,
											  &PE_Parameter::On_afterName_Bracket_Right,
											  &PE_Parameter::On_afterName_Comma,
											  &PE_Parameter::On_afterName_Assign };
	static INT16 stateT_afterName[] =     	{ Tid_ArrayBracket_Left,
											  Tid_Bracket_Right,
											  Tid_Comma,
											  Tid_Assign };
	static F_Tok stateF_finished[] =		{ &PE_Parameter::On_finished_Comma,
                                              &PE_Parameter::On_finished_Bracket_Right };
	static INT16 stateT_finished[] =     	{ Tid_Bracket_Right,
											  Tid_Comma };

	SEMPARSE_CREATE_STATUS(PE_Parameter, start, Hdl_SyntaxError);
	SEMPARSE_CREATE_STATUS(PE_Parameter, expectName, Hdl_SyntaxError);
	SEMPARSE_CREATE_STATUS(PE_Parameter, afterName, Hdl_SyntaxError);
	SEMPARSE_CREATE_STATUS(PE_Parameter, finished, Hdl_SyntaxError);
}


void
PE_Parameter::InitData()
{
	pStati->SetCur(start);
    aResultParamInfo.Empty();
}

void
PE_Parameter::TransferData()
{
	pStati->SetCur(size_of_states);
}

void
PE_Parameter::Hdl_SyntaxError( const char * i_sText)
{
	StdHandlingOfSyntaxError(i_sText);
}

void
PE_Parameter::SpInit_Type()
{
    // Does nothing.
}

void
PE_Parameter::SpInit_Variable()
{
    // Does nothing.
}

void
PE_Parameter::SpReturn_Type()
{
    aResultParamInfo.nType = pSpuType->Child().Result_Type().Id();
	pStati->SetCur(expectName);
}

void
PE_Parameter::SpReturn_Variable()
{
    if (pSpuVariable->Child().Result_Pattern() > 0)
    {
        aResultParamInfo.sSizeExpression = pSpuVariable->Child().Result_SizeExpression();
        aResultParamInfo.sInitExpression = pSpuVariable->Child().Result_InitExpression();
    }
}

void
PE_Parameter::On_start_Type(const char *)
{
    pSpuType->Push(not_done);
}

void
PE_Parameter::On_start_Bracket_Right(const char *)
{
	SetTokenResult(not_done, pop_success);
}

void
PE_Parameter::On_start_Ellipse(const char *)
{
	SetTokenResult(done, pop_success);

    aResultParamInfo.nType = Env().AryGate().Types().Tid_Ellipse();
}

void
PE_Parameter::On_expectName_Identifier(const char * i_sText)
{
	SetTokenResult(done, stay);
	pStati->SetCur(afterName);

    aResultParamInfo.sName = i_sText;
}

void
PE_Parameter::On_expectName_ArrayBracket_Left(const char * i_sText)
{
    On_afterName_ArrayBracket_Left(i_sText);
}

void
PE_Parameter::On_expectName_Bracket_Right(const char * i_sText)
{
    On_afterName_Bracket_Right(i_sText);
}

void
PE_Parameter::On_expectName_Comma(const char * i_sText)
{
    On_afterName_Comma(i_sText);
}

void
PE_Parameter::On_afterName_ArrayBracket_Left(const char *)
{
    pSpuVariable->Push(not_done);
}

void
PE_Parameter::On_afterName_Bracket_Right(const char *)
{
    SetTokenResult(not_done, pop_success);
}

void
PE_Parameter::On_afterName_Comma(const char *)
{
    SetTokenResult(not_done, pop_success);
}

void
PE_Parameter::On_afterName_Assign(const char *)
{
    pSpuVariable->Push(not_done);
}

void
PE_Parameter::On_finished_Bracket_Right(const char *)
{
	SetTokenResult(not_done, pop_success);
}

void
PE_Parameter::On_finished_Comma(const char *)
{
    SetTokenResult(not_done, pop_success);
}


}   // namespace cpp