diff options
Diffstat (limited to 'gcc/fortran/decl.c')
| -rw-r--r-- | gcc/fortran/decl.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c index 869ece6..d23a329 100644 --- a/gcc/fortran/decl.c +++ b/gcc/fortran/decl.c @@ -4065,6 +4065,7 @@ match_procedure_decl (void) locus old_loc, entry_loc; gfc_symbol *sym, *proc_if = NULL; int num; + gfc_expr *initializer = NULL; old_loc = entry_loc = gfc_current_locus; @@ -4183,7 +4184,7 @@ got_ts: return MATCH_ERROR; } - if (!sym->attr.pointer && gfc_add_external (&sym->attr, NULL) == FAILURE) + if (gfc_add_external (&sym->attr, NULL) == FAILURE) return MATCH_ERROR; if (gfc_add_proc (&sym->attr, sym->name, NULL) == FAILURE) return MATCH_ERROR; @@ -4203,6 +4204,40 @@ got_ts: sym->attr.function = sym->ts.interface->attr.function; } + if (gfc_match (" =>") == MATCH_YES) + { + if (!current_attr.pointer) + { + gfc_error ("Initialization at %C isn't for a pointer variable"); + m = MATCH_ERROR; + goto cleanup; + } + + m = gfc_match_null (&initializer); + if (m == MATCH_NO) + { + gfc_error ("Pointer initialization requires a NULL() at %C"); + m = MATCH_ERROR; + } + + if (gfc_pure (NULL)) + { + gfc_error ("Initialization of pointer at %C is not allowed in " + "a PURE procedure"); + m = MATCH_ERROR; + } + + if (m != MATCH_YES) + goto cleanup; + + if (add_init_expr_to_sym (sym->name, &initializer, &gfc_current_locus) + != SUCCESS) + goto cleanup; + + } + + gfc_set_sym_referenced (sym); + if (gfc_match_eos () == MATCH_YES) return MATCH_YES; if (gfc_match_char (',') != MATCH_YES) @@ -4212,6 +4247,11 @@ got_ts: syntax: gfc_error ("Syntax error in PROCEDURE statement at %C"); return MATCH_ERROR; + +cleanup: + /* Free stuff up and return. */ + gfc_free_expr (initializer); + return m; } |