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authorburnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4>2006-12-10 19:53:07 +0000
committerburnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4>2006-12-10 19:53:07 +0000
commit3ea52af31c6ee2b96ce6be5ac7c4aa336a05f01e (patch)
treefd873c228f212288e3d63dae896648e0ca50835b /gcc/fortran/match.c
parentfce068fdbd2d4d13d3c57cb16bc9d17f22f36af1 (diff)
downloadgcc-3ea52af31c6ee2b96ce6be5ac7c4aa336a05f01e.tar.gz
fortran/
2006-12-10 Tobias Burnus <burnus@net-b.de> PR fortran/23994 * interface.c (compare_actual_formal): PROTECTED is incompatible with intent(out). * symbol.c (check_conflict): Check for PROTECTED conflicts. (gfc_add_protected): New function. (gfc_copy_attr): Copy PROTECTED attribute. * decl.c (match_attr_spec): Add PROTECTED support. (gfc_match_protected): New function. * dump-parse-tree.c (gfc_show_attr): Add PROTECTED support. * gfortran.h (gfc_symbol): Add protected flag. Add gfc_add_protected prototype. * expr.c (gfc_check_pointer_assign): Add PROTECTED support. * module.c (ab_attribute, attr_bits, mio_symbol_attribute, mio_symbol_attribute): Add PROTECTED support. * resolve.c (resolve_equivalence): Add PROTECTED support. * match.c (gfc_match_assignment,)gfc_match_pointer_assignment: Check PROTECTED attribute. * match.h: Add gfc_match_protected prototype. * parse.c (decode_statement): Match PROTECTED statement. * primary.c (match_variable): Add PROTECTED support. testsuite/ 2006-12-10 Tobias Burnus <burnus@net-b.de> PR fortran/23994 * gfortran.dg/protected_1.f90: New test. * gfortran.dg/protected_2.f90: New test. * gfortran.dg/protected_3.f90: New test. * gfortran.dg/protected_4.f90: New test. * gfortran.dg/protected_5.f90: New test. * gfortran.dg/protected_6.f90: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119709 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/match.c')
-rw-r--r--gcc/fortran/match.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/fortran/match.c b/gcc/fortran/match.c
index 413487d6f4b..0dc2c7295b1 100644
--- a/gcc/fortran/match.c
+++ b/gcc/fortran/match.c
@@ -852,6 +852,15 @@ gfc_match_assignment (void)
return MATCH_NO;
}
+ if (lvalue->symtree->n.sym->attr.protected
+ && lvalue->symtree->n.sym->attr.use_assoc)
+ {
+ gfc_current_locus = old_loc;
+ gfc_free_expr (lvalue);
+ gfc_error ("Setting value of PROTECTED variable at %C");
+ return MATCH_ERROR;
+ }
+
rvalue = NULL;
m = gfc_match (" %e%t", &rvalue);
if (m != MATCH_YES)
@@ -898,6 +907,15 @@ gfc_match_pointer_assignment (void)
if (m != MATCH_YES)
goto cleanup;
+ if (lvalue->symtree->n.sym->attr.protected
+ && lvalue->symtree->n.sym->attr.use_assoc)
+ {
+ gfc_error ("Assigning to a PROTECTED pointer at %C");
+ m = MATCH_ERROR;
+ goto cleanup;
+ }
+
+
new_st.op = EXEC_POINTER_ASSIGN;
new_st.expr = lvalue;
new_st.expr2 = rvalue;