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re PR fortran/44929 ([OOP] Parsing error of derived type name starting with 'REAL')

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2010-07-30  Janus Weil  <janus@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/44929
	* match.c (match_type_spec): Try to parse derived types before
	intrinsic types.


2010-07-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44929
	* gfortran.dg/allocate_derived_3.f90: New.

Co-Authored-By: Steven G. Kargl <kargl@gcc.gnu.org>

From-SVN: r162724
This commit is contained in:
Janus Weil 2010-07-30 19:50:28 +02:00
parent 34251c0ee6
commit 1107bd3829
4 changed files with 52 additions and 20 deletions
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7
gcc/fortran/ChangeLog
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@ -1,3 +1,10 @@
2010-07-30 Janus Weil <janus@gcc.gnu.org>
Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/44929
* match.c (match_type_spec): Try to parse derived types before
intrinsic types.
2010-07-30 Mikael Morin <mikael@gcc.gnu.org>
* gfortran.h (gfc_release_symbol): New prototype.

43
gcc/fortran/match.c
View File

@ -2709,7 +2709,7 @@ match_derived_type_spec (gfc_typespec *ts)
gfc_match_decl_type_spec() from decl.c, with the following exceptions:
It only includes the intrinsic types from the Fortran 2003 standard
(thus, neither BYTE nor forms like REAL*4 are allowed). Additionally,
the implicit_flag is not needed, so it was removed. Derived types are
the implicit_flag is not needed, so it was removed. Derived types are
identified by their name alone. */
static match
@ -2719,8 +2719,30 @@ match_type_spec (gfc_typespec *ts)
locus old_locus;
gfc_clear_ts (ts);
gfc_gobble_whitespace();
old_locus = gfc_current_locus;
m = match_derived_type_spec (ts);
if (m == MATCH_YES)
{
old_locus = gfc_current_locus;
if (gfc_match (" :: ") != MATCH_YES)
return MATCH_ERROR;
gfc_current_locus = old_locus;
/* Enfore F03:C401. */
if (ts->u.derived->attr.abstract)
{
gfc_error ("Derived type '%s' at %L may not be ABSTRACT",
ts->u.derived->name, &old_locus);
return MATCH_ERROR;
}
return MATCH_YES;
}
else if (m == MATCH_ERROR && gfc_match (" :: ") == MATCH_YES)
return MATCH_ERROR;
gfc_current_locus = old_locus;
if (gfc_match ("integer") == MATCH_YES)
{
ts->type = BT_INTEGER;
@ -2762,25 +2784,6 @@ match_type_spec (gfc_typespec *ts)
goto kind_selector;
}
m = match_derived_type_spec (ts);
if (m == MATCH_YES)
{
old_locus = gfc_current_locus;
if (gfc_match (" :: ") != MATCH_YES)
return MATCH_ERROR;
gfc_current_locus = old_locus;
/* Enfore F03:C401. */
if (ts->u.derived->attr.abstract)
{
gfc_error ("Derived type '%s' at %L may not be ABSTRACT",
ts->u.derived->name, &old_locus);
return MATCH_ERROR;
}
return MATCH_YES;
}
else if (m == MATCH_ERROR && gfc_match (" :: ") == MATCH_YES)
return MATCH_ERROR;
/* If a type is not matched, simply return MATCH_NO. */
gfc_current_locus = old_locus;
return MATCH_NO;

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-07-30 Janus Weil <janus@gcc.gnu.org>
PR fortran/44929
* gfortran.dg/allocate_derived_3.f90: New.
2010-07-30 Xinliang David Li <davidxl@google.com>
PR tree-optimization/45121
* c-c++-common/uninit-17.c: Add -fno-ivops option.

17
gcc/testsuite/gfortran.dg/allocate_derived_3.f90 Normal file
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@ -0,0 +1,17 @@
! { dg-do compile }
!
! PR 44929: [OOP] Parsing error of derived type name starting with 'REAL'
!
! Contributed by Satish.BD <bdsatish@gmail.com>
type :: real_type
end type
class(real_type), allocatable :: obj
real(8), allocatable :: r8
allocate(real_type :: obj)
allocate( real(kind=8) :: r8)
allocate(real(8) :: r8 )
end