/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <precomp.h>
#include "pe_file.hxx"

// NOT FULLY DECLARED SERVICES
#include "pe_defs.hxx"
#include "pe_enum.hxx"
#include "pe_namsp.hxx"
#include "pe_tpltp.hxx"
#include "pe_tydef.hxx"
#include "pe_vafu.hxx"
#include "pe_ignor.hxx"


// NOT FULLY DECLARED SERVICES


namespace cpp
{

PE_File::PE_File( cpp::PeEnvironment & io_rEnv)
    :   Cpp_PE(io_rEnv),
        pEnv(&io_rEnv),
        pStati( new PeStatusArray<PE_File> ),
        // pSpNamespace,
        // pSpTypedef,
        // pSpVarFunc,
        // pSpIgnore,
        // pSpuNamespace,
        // pSpuClass,
        // pSpuTypedef,
        // pSpuVarFunc,
        // pSpuTemplate,
        // pSpuUsing,
        // pSpuIgnoreFailure,
        bWithinSingleExternC(false)
{
    Setup_StatusFunctions();

    pSpNamespace = new SP_Namespace(*this);
    pSpTypedef   = new SP_Typedef(*this);
    pSpVarFunc   = new SP_VarFunc(*this);
    pSpTemplate  = new SP_Template(*this);
    pSpDefs      = new SP_Defines(*this);
    pSpIgnore    = new SP_Ignore(*this);

    pSpuNamespace   = new SPU_Namespace(*pSpNamespace, 0, 0);
    pSpuTypedef     = new SPU_Typedef(*pSpTypedef, 0, 0);
    pSpuVarFunc     = new SPU_VarFunc(*pSpVarFunc, 0, &PE_File::SpReturn_VarFunc);
    pSpuTemplate    = new SPU_Template(*pSpTemplate, 0, &PE_File::SpReturn_Template);
    pSpuDefs        = new SPU_Defines(*pSpDefs, 0, 0);
    pSpuUsing       = new SPU_Ignore(*pSpIgnore, 0, 0);
    pSpuIgnoreFailure
                    = new SPU_Ignore(*pSpIgnore, 0, 0);
}

PE_File::~PE_File()
{
}

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

Cpp_PE *
PE_File::Handle_ChildFailure()
{
    SetCurSPU(pSpuIgnoreFailure.Ptr());
    return &pSpuIgnoreFailure->Child();
}

void
PE_File::Setup_StatusFunctions()
{
    typedef CallFunction<PE_File>::F_Tok    F_Tok;
    static F_Tok stateF_std[] =             { &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_ClassKey,
                                              &PE_File::On_std_ClassKey,
                                              &PE_File::On_std_ClassKey,
                                              &PE_File::On_std_enum,

                                              &PE_File::On_std_typedef,
                                              &PE_File::On_std_template,
                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_extern,

                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_namespace,
                                              &PE_File::On_std_using,

                                              &PE_File::On_std_SwBracketRight,
                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_DefineName,
                                              &PE_File::On_std_MacroName,

                                              &PE_File::On_std_VarFunc,
                                              &PE_File::On_std_VarFunc };

    static INT16 stateT_std[] =             { Tid_Identifier,
                                              Tid_class,
                                              Tid_struct,
                                              Tid_union,
                                              Tid_enum,

                                              Tid_typedef,
                                              Tid_template,
                                              Tid_const,
                                              Tid_volatile,
                                              Tid_extern,

                                              Tid_static,
                                              Tid_register,
                                              Tid_inline,
                                              Tid_namespace,
                                              Tid_using,

                                              Tid_SwBracket_Right,
                                              Tid_DoubleColon,
                                              Tid_typename,
                                              Tid_DefineName,
                                              Tid_MacroName,

                                              Tid_BuiltInType,
                                              Tid_TypeSpecializer };

    static F_Tok stateF_in_extern[] =       { &PE_File::On_in_extern_Constant };
    static INT16 stateT_in_extern[] =       { Tid_Constant };

    static F_Tok stateF_in_externC[] =      { &PE_File::On_in_externC_SwBracket_Left };
    static INT16 stateT_in_externC[] =      { Tid_SwBracket_Left };


    SEMPARSE_CREATE_STATUS(PE_File, std, Hdl_SyntaxError);
    SEMPARSE_CREATE_STATUS(PE_File, in_extern, On_in_extern_Ignore);
    SEMPARSE_CREATE_STATUS(PE_File, in_externC, On_in_externC_NoBlock);
}

void
PE_File::InitData()
{
    pStati->SetCur(std);
}

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

void
PE_File::Hdl_SyntaxError( const char * i_sText)
{
    if ( *i_sText == ';' )
    {
         Cerr() << Env().CurFileName() << ", line "
                  << Env().LineCount()
                  << ": Sourcecode warning: ';' as a toplevel declaration is deprecated."
                  << Endl();
        SetTokenResult(done,stay);
        return;
    }

    StdHandlingOfSyntaxError(i_sText);
}

void
PE_File::SpReturn_VarFunc()
{
     if (bWithinSingleExternC)
    {
        access_Env().CloseBlock();
         bWithinSingleExternC = false;
    }
}

void
PE_File::SpReturn_Template()
{
    access_Env().OpenTemplate( pSpuTemplate->Child().Result_Parameters() );
}

void
PE_File::On_std_namespace(const char * )
{
    pSpuNamespace->Push(done);
}

void
PE_File::On_std_ClassKey(const char * )
{
    pSpuVarFunc->Push(not_done);        // This is correct,
                                        //   classes are parsed via PE_Type.
}

void
PE_File::On_std_typedef(const char * )
{
    pSpuTypedef->Push(not_done);
}

void
PE_File::On_std_enum(const char * )
{
    pSpuVarFunc->Push(not_done);        // This is correct,
                                        //   enums are parsed via PE_Type.
}

void
PE_File::On_std_VarFunc(const char * )
{
    pSpuVarFunc->Push(not_done);
}

void
PE_File::On_std_template(const char * )
{
    pSpuTemplate->Push(done);
}

void
PE_File::On_std_extern(const char * )
{
    SetTokenResult(done, stay);
    pStati->SetCur(in_extern);
}

void
PE_File::On_std_using(const char * )
{
    pSpuUsing->Push(done);
}

void
PE_File::On_std_SwBracketRight(const char * )
{
    SetTokenResult(done,stay);
    access_Env().CloseBlock();
}

void
PE_File::On_std_DefineName(const char * )
{
    pSpuDefs->Push(not_done);
}

void
PE_File::On_std_MacroName(const char * )
{
    pSpuDefs->Push(not_done);
}

void
PE_File::On_in_extern_Constant(const char * )
{
    SetTokenResult(done,stay);
    pStati->SetCur(in_externC);

    access_Env().OpenExternC();
}

void
PE_File::On_in_extern_Ignore(const char * )
{
    SetTokenResult(not_done, stay);
    pStati->SetCur(std);
}

void
PE_File::On_in_externC_SwBracket_Left(const char * )
{
    SetTokenResult(done, stay);
    pStati->SetCur(std);
}

void
PE_File::On_in_externC_NoBlock(const char * )
{
    SetTokenResult(not_done, stay);
    pStati->SetCur(std);

    bWithinSingleExternC = true;
}


}   // namespace cpp

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