/*
 * $Id$
 */

#include "hbclass.ch"

MEMVAR cStr, cStr_1, cVar_1, aVar, oVar, OtherVar, SomeVar, Private
MEMVAR cMainPrivate, GlobalPrivate, BornInRunTimeVar, Public

Function Main( )

        PRIVATE cStr := 'cVar', cStr_1 := 'cVar_1', aVar := { 'cVar_1' }, oVar

        PRIVATE cVar_1, cMainPrivate := 'cVar_1', GlobalPrivate := 'BornInRunTimeVar'

        &cStr_1 = 'Simple '
        ? M->cVar_1

        &( 'cVar' + '_1' ) := 'Macro'
        ?? M->cVar_1

        M->&cStr_1 = 'Aliased'
        ? M->cVar_1

        MEMVAR->&( 'cVar' + '_1' ) := ' Macro'
        ?? M->cVar_1

        cStr := 'cVar_'
        &cStr.1 = 'Concatenated Macro (Numeric)'
        ? M->cVar_1

        cStr := 'cVar'
        &cStr._1 = 'Concatenated Macro (String)'
        ? M->cVar_1

        &( aVar[1] ) := 'Array Macro'
        ? M->cVar_1

        oVar := TValue():New()
        oVar:cVal := 'cVar_1'
        &( oVar:cVal ) := 'Class Macro'
        ? M->cVar_1

        SubFun()

        ? '"cVar_1" = [' + M->cVar_1 + '] AFTER SubFun() PRIVATE'

        ? M->NewPublicVar

   TEST_TYPE()
   
RETURN NIL

FUNCTION TValue

   STATIC oClass

   IF oClass == NIL
      oClass = HBClass():New( "TValue" )

      oClass:AddData( "cVal" )
      oClass:AddMethod( "New",        @New() )         // New Method

                oClass:Create()

   ENDIF

RETURN( oClass:Instance() )

STATIC FUNCTION New()

   LOCAL Self := QSelf()

RETURN Self

Function SubFun()

        ? '"cVar_1" = [' + M->cVar_1 + '] BEFORE SubFun() PRIVATE'

        // Testing conflict with KEY WORDS
        PRIVATE PRIVATE := 'I am a Var named PRIVATE ', &cMainPrivate, SomeVar, OtherVar := 1, &GlobalPrivate := 'I was born in Run Time'
        PUBLIC PUBLIC := 'NewPublicVar'
        PUBLIC &PUBLIC

        ? M->NewPublicVar

        M->NewPublicVar := 'Still Alive because I am PUBLIC'

        ? M->PRIVATE + PRIVATE
        ? PRIVATE + M->PRIVATE

        ? BornInRunTimeVar

        &cMainPrivate := 'In SubFun()'

        ? '"cVar_1" = [' + M->cVar_1 + '] in SubFun() PRIVATE'

RETURN NIL

STATIC PROCEDURE TEST_TYPE()
LOCAL v1, v2, v1a, v2a
LOCAL bErr:=ERRORBLOCK({|e|BREAK(e)}), oE

   ?
   ? "=========== TYPE() function ================="
   v1 := "UDF()"
   ? "Test for TYPE('UDF()')        - should be 'UI': ", TYPE(v1)
   v2 := "UDF_STATIC()"
   ? "Test for TYPE('UDF_STATIC()') - should be 'U': ", TYPE(v2)
   ? "Test for &"+"'UDF()'  - should print 'udf': ", &v1
   ? "Test for &"+"'UDF_STATIC()'  - should print 'ERROR: undefined function': "
   BEGIN SEQUENCE
      ?? &v2
   RECOVER USING oE
      ? "ERROR: "+oE:Description
   END SEQUENCE
   ERRORBLOCK(bErr)

   v1 := "UDF"
   ? "Test for TYPE('UDF')        - should be 'U': ", TYPE(v1)
   v2 := "UDF_STATIC"
   ? "Test for TYPE('UDF_STATIC') - should be 'U': ", TYPE(v2)

   v1a := "UDF:=1"
   ? "Test for TYPE('UDF:=1')        - should be 'N': ", TYPE(v1a)
   v2a := "UDF_STATIC:=1"
   ? "Test for TYPE('UDF_STATIC:=1') - should be 'N': ", TYPE(v2a)

   ? "=== after the assignment ==="
   v1 := "UDF"
   ? "Test for TYPE('UDF')        - should be 'N': ", TYPE(v1)
   v2 := "UDF_STATIC"
   ? "Test for TYPE('UDF_STATIC') - should be 'N': ", TYPE(v2)

   v1 := "UDF()"
   ? "Test for TYPE('UDF()')        - should be 'UI': ", TYPE(v1)
   v2 := "UDF_STATIC()"
   ? "Test for TYPE('UDF_STATIC()') - should be 'U': ", TYPE(v2)


   ? "=== declared public variable ==="
   PUBLIC UDF2, UDF2_STATIC
   v1 := "UDF2()"
   ? "Test for TYPE('UDF2()')        - should be 'UI': ", TYPE(v1)
   v2 := "UDF2_STATIC()"
   ? "Test for TYPE('UDF2_STATIC()') - should be 'U': ", TYPE(v2)

   v1 := "UDF2"
   ? "Test for TYPE('UDF')        - should be 'L': ", TYPE(v1)
   v2 := "UDF2_STATIC"
   ? "Test for TYPE('UDF_STATIC') - should be 'L': ", TYPE(v2)

   ?   
RETURN

STATIC FUNCTION UDF_STATIC()
RETURN "udf_static"

FUNCTION UDF()
RETURN "udf"

STATIC FUNCTION UDF2_STATIC()
RETURN "udf2_static"

FUNCTION UDF2()
RETURN "udf2"