arith.c (gfc_enum_initializer): New function.

fortran/
2005-10-30  Gaurav Gautam  <gauravga@noida.hcltech.com>
	    Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

	* arith.c (gfc_enum_initializer): New function.
	(gfc_check_integer_range): Made extern.
	* decl.c (enumerator_history): New typedef.
	(last_initializer, enum_history, max_enum): New variables.
	(create_enum_history, gfc_free_enum_history): New functions.
	(add_init_expr_to_sym): Call create_enum_history if parsing ENUM.
	(variable_decl): Modified to parse enumerator definition.
	(match_attr_spec): Add PARAMETER attribute to ENUMERATORs.
	(gfc_match_data_decl): Issues error, if match_type_spec do not
	return desired return values.
	(set_enum_kind, gfc_match_enum, gfc_match_enumerator_def): New
	functions.
	(gfc_match_end): Deal with END ENUM.
	* gfortran.h (gfc_statement): ST_ENUM, ST_ENUMERATOR, ST_END_ENUM
	added.
	(symbol_attribute): Bit field for enumerator added.
	(gfc_options): Add fshort_enums.
	(gfc_enum_initializer, gfc_check_integer_range): Add prototypes.
	* options.c: Include target.h
	(gfc_init_options): Initialize fshort_enums.
	(gfc_handle_option): Deal with fshort_enums.
	* parse.c (decode_statement): Match ENUM and ENUMERATOR statement.
	(gfc_ascii_statement): Deal with the enumerator statements.
	(parse_enum): New function to parse enum construct.
	(parse_spec): Added case ST_ENUM.
	* parse.h (gfc_compile_state): COMP_ENUM added.
	(gfc_match_enum, gfc_match_enumerator_def, gfc_free_enum_history):
	Prototype added.
	* symbol.c (gfc_copy_attr): Copy enumeration attribute.
	* lang.opt (fshort-enums): Option added.

testsuite/
2005-10-30  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

	* gfortran.dg/enum_10.f90, gfortran.dg/enum_10.c: New test.

2005-10-30  Gaurav Gautam  <gauravga@noida.hcltech.com>

	* gfortran.dg/enum_1.f90, gfortran.dg/enum_2.f90,
	gfortran.dg/enum_3.f90, gfortran.dg/enum_4.f90,
	gfortran.dg/enum_5.f90, gfortran.dg/enum_6.f90,
	gfortran.dg/enum_7.f90, gfortran.dg/enum_8.f90,
	gfortran.dg/enum_9.f90,
	gfortran.fortran-torture/compile/enum_1.f90,
	gfortran.fortran-torture/execute/enum_1.f90,
	gfortran.fortran-torture/execute/enum_2.f90,
	gfortran.fortran-torture/execute/enum_3.f90,
	gfortran.fortran-torture/execute/enum_4.f90: New tests.

From-SVN: r106246

1 files changed, 61 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/enum_10.f90 b/gcc/testsuite/gfortran.dg/enum_10.f90
new file mode 100644
index 00000000000..c3fbe535c4f
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/enum_10.f90
@@ -0,0 +1,61 @@
+! { dg-do run }
+! { dg-additional-sources enum_10.c }
+! { dg-options "-fshort-enums" }
+! Make sure short enums are indeed interoperable with the
+! corresponding C type.
+
+module enum_10
+enum, bind( c )   ! { dg-warning "New in Fortran 2003" }
+   enumerator :: one1 = 1, two1, max1 = huge(1_1)
+end enum
+
+enum, bind( c )   ! { dg-warning "New in Fortran 2003" }
+   enumerator :: one2 = 1, two2, max2 = huge(1_2)
+end enum
+
+enum, bind( c )   ! { dg-warning "New in Fortran 2003" }
+   enumerator :: one4 = 1, two4, max4 = huge(1_4)
+end enum
+end module enum_10
+
+use enum_10
+
+interface f1
+  subroutine f1(i,j)
+    use enum_10
+    integer (kind(max1)) :: i
+    integer :: j
+  end subroutine f1
+end interface
+
+
+interface f2
+  subroutine f2(i,j)
+    use enum_10
+    integer (kind(max2)) :: i
+    integer :: j
+  end subroutine f2
+end interface
+
+
+interface f4
+  subroutine f4(i,j)
+    use enum_10
+    integer (kind(max4)) :: i
+    integer :: j
+  end subroutine f4
+end interface
+
+
+call f1 (one1, 1)
+call f1 (two1, 2)
+call f1 (max1, huge(1_1)+0) ! Adding 0 to get default integer
+
+call f2 (one2, 1)
+call f2 (two2, 2)
+call f2 (max2, huge(1_2)+0)
+
+call f4 (one4, 1)
+call f4 (two4, 2)
+call f4 (max4, huge(1_4)+0)
+end