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author | Daniel Kraft <d@domob.eu> | 2010-06-10 16:47:49 +0200 |
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committer | Daniel Kraft <domob@gcc.gnu.org> | 2010-06-10 16:47:49 +0200 |
commit | 03af1e4c73f8e9b0b9fcfd18ca5d3965a6879bbb (patch) | |
tree | 92cc0dfbe516055a3602f51eff555b7609833069 /gcc/fortran/primary.c | |
parent | 29aba2bbfed88ef9fb5f68ff8dda08f0bfd48d0c (diff) | |
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re PR fortran/38936 ([F03] ASSOCIATE construct / improved SELECT TYPE (a=>expr))
2010-06-10 Daniel Kraft <d@domob.eu>
PR fortran/38936
* gfortran.h (enum gfc_statement): Add ST_ASSOCIATE, ST_END_ASSOCIATE.
(struct gfc_symbol): New field `assoc'.
(struct gfc_association_list): New struct.
(struct gfc_code): New struct `block' in union, move `ns' there
and add association list.
(gfc_free_association_list): New method.
(gfc_has_vector_subscript): Made public;
* match.h (gfc_match_associate): New method.
* parse.h (enum gfc_compile_state): Add COMP_ASSOCIATE.
* decl.c (gfc_match_end): Handle ST_END_ASSOCIATE.
* interface.c (gfc_has_vector_subscript): Made public.
(compare_actual_formal): Rename `has_vector_subscript' accordingly.
* match.c (gfc_match_associate): New method.
(gfc_match_select_type): Change reference to gfc_code's `ns' field.
* primary.c (match_variable): Don't allow names associated to expr here.
* parse.c (decode_statement): Try matching ASSOCIATE statement.
(case_exec_markers, case_end): Add ASSOCIATE statement.
(gfc_ascii_statement): Hande ST_ASSOCIATE and ST_END_ASSOCIATE.
(parse_associate): New method.
(parse_executable): Handle ST_ASSOCIATE.
(parse_block_construct): Change reference to gfc_code's `ns' field.
* resolve.c (resolve_select_type): Ditto.
(resolve_code): Ditto.
(resolve_block_construct): Ditto and add comment.
(resolve_select_type): Set association list in generated BLOCK to NULL.
(resolve_symbol): Resolve associate names.
* st.c (gfc_free_statement): Change reference to gfc_code's `ns' field
and free association list.
(gfc_free_association_list): New method.
* symbol.c (gfc_new_symbol): NULL new field `assoc'.
* trans-stmt.c (gfc_trans_block_construct): Change reference to
gfc_code's `ns' field.
2010-06-10 Daniel Kraft <d@domob.eu>
PR fortran/38936
* gfortran.dg/associate_1.f03: New test.
* gfortran.dg/associate_2.f95: New test.
* gfortran.dg/associate_3.f03: New test.
* gfortran.dg/associate_4.f08: New test.
From-SVN: r160550
Diffstat (limited to 'gcc/fortran/primary.c')
-rw-r--r-- | gcc/fortran/primary.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/fortran/primary.c b/gcc/fortran/primary.c index 68b6a43..b6c08a9 100644 --- a/gcc/fortran/primary.c +++ b/gcc/fortran/primary.c @@ -2975,6 +2975,12 @@ match_variable (gfc_expr **result, int equiv_flag, int host_flag) gfc_error ("Assigning to PROTECTED variable at %C"); return MATCH_ERROR; } + if (sym->assoc && !sym->assoc->variable) + { + gfc_error ("'%s' associated to expression can't appear in a variable" + " definition context at %C", sym->name); + return MATCH_ERROR; + } break; case FL_UNKNOWN: |