* gigi.h: (adjust_decl_rtl, kept_level_p, set_block): Deleted.
(add_decl_stmt, add_stmt, block_has_vars): New functions.
(gnat_pushlevel, gnat_poplevel): Renamed from pushlevel and poplevel.
* decl.c (elaborate_expression, maybe_pad_type): Call add_decl_stmt
when making a decl.
(gnat_to_gnu_entity): Likewise.
Use add_stmt to update setjmp buffer.
Set TREE_ADDRESSABLE instead of calling put_var_into_stack and
flush_addressof.
No longer call adjust_decl_rtl.
(DECL_INIT_BY_ASSIGN_P): New macro.
(DECL_STMT_VAR): Likewise.
* trans.c (gigi): Call start_block_stmt to make the outermost
BLOCK_STMT.
(gnat_to_code, gnu_to_gnu, tree_transform, process_decls, process_type):
Call start_block_stmt and end_block_stmt temporarily.
Use gnat_expand_stmt instead of expand_expr_stmt.
(add_decl_stmt): New function.
(tree_transform): Call it.
(add_stmt): Also emit initializing assignment for DECL_STMT if needed.
(end_block_stmt): Set type and NULL_STMT.
(gnat_expand_stmt): Make recursize call instead of calling
expand_expr_stmt.
(gnat_expand_stmt, case DECL_STMT): New case.
(set_lineno_from_sloc): Do nothing if global.
(gnu_block_stmt_node, gnu_block_stmt_free_list): New variables.
(start_block_stmt, add_stmt, end_block_stmt): New functions.
(build_block_stmt): Call them.
(gnat_to_code): Don't expand NULL_STMT.
(build_unit_elab): Rename pushlevel and poplevel to gnat_* and change
args.
(tree_transform): Likewise.
(tree_transform, case N_Null_Statement): Return NULL_STMT.
(gnat_expand_stmt, case NULL_STMT): New case.
(gnat_expand_stmt, case IF_STMT): Allow nested IF_STMT to have no
IF_STMT_TRUE.
* utils2.c (gnat_mark_addressable, case VAR_DECL): Do not set
TREE_ADDRESSABLE.
* utils.c (create_var_decl): Do not call expand_decl or
expand_decl_init.
Set TREE_ADDRESSABLE instead of calling gnat_mark_addressable.
Set DECL_INIT_BY_ASSIGN_P when needed and do not generate MODIFY_EXPR
here.
(struct e_stack): Add chain_next to GTY.
(struct binding_level): Deleted.
(struct ada_binding_level): New struct.
(free_block_chain): New.
(global_binding_level, clear_binding_level): Deleted.
(global_bindings_p): Rework to see if no chain.
(kept_level_p, set_block): Deleted.
(gnat_pushlevel): Renamed from pushlevel and extensive reworked to use
new data structure and work directly on BLOCK node.
(gnat_poplevel): Similarly.
(get_decls): Look at BLOCK_VARS.
(insert_block): Work directly on BLOCK node.
(block_has_var): New function.
(pushdecl): Rework for new binding structures.
(gnat_init_decl_processing): Rename and rework calls to pushlevel and
poplevel.
(build_subprog_body): Likewise.
(end_subprog_body): Likewise; also set up BLOCK in DECL_INITIAL.
* ada-tree.def (DECL_STMT, NULL_STMT): New codes.
* ada-tree.h: (DECL_INIT_BY_ASSIGN_P): New macro.
(DECL_STMT_VAR): Likewise.
2004-05-17 Robert Dewar <dewar@gnat.com>
* restrict.ads, restrict.adb (Process_Restriction_Synonym): New
procedure
* sem_prag.adb (Analyze_Pragma, case Restrictions): Cleanup handling
of restriction synonyums by using
Restrict.Process_Restriction_Synonyms.
* snames.ads, snames.adb: Add entries for Process_Restriction_Synonym