c6823a20b2
2005-03-08 Eric Botcazou <ebotcazou@adacore.com> Richard Kenner <kenner@vlsi1.ultra.nyu.edu> Nicolas Setton <setton@adacore.com> Ed Schonberg <schonberg@adacore.com> PR ada/19900 PR ada/19408 PR ada/19140 PR ada/20255 * decl.c (gnat_to_gnu_field): Reject aliased components with a representation clause that prescribes a size not equal to the rounded size of their types. (gnat_to_gnu_entity, case E_Component): Always look at Original_Record_Component if Present and not the entity. (gnat_to_gnu_entity, case E_Record_Subtype): Rework handling of subtypes of tagged extension types by not making field for components that are inside the parent. (gnat_to_gnu_entity) <E_Record_Type>: Fix typo in the alignment formula (gnat_to_gnu_entity) <E_Variable>: Do not convert again the expression to the type of the object when the object is constant. Reverse defer_debug_incomplete_list before traversing it, so that trees are processed in the order at which they were added to the list. This order is important when using the stabs debug format. If we are deferring the output of debug information, also defer this output for a function return type. When adding fields to a record, prevent emitting debug information for incomplete records, emit the information only when the record is complete. (components_to_record): New parameter defer_debug. (gnat_to_gnu_entity, case E_Array_Subtype): Call copy_alias_set. (gnat_to_gnu_field_decl): New function. (substitution_list, annotate_rep): Call it. (gnat_to_gnu_entity, case E_Record_Subtype): Likewise. (gnat_to_gnu_entity, case E_Record_Type): Likewise. No longer update discriminants to not be a COMPONENT_REF. (copy_alias_set): Strip padding from input type; also handle unconstrained arrays properly. * gigi.h (write_record_type_debug_info): New function. Convert to use ANSI-style prototypes. Remove unused declarations for emit_stack_check, elab_all_gnat and set_second_error_entity. (gnat_to_gnu_field_decl): New decl. * utils.c (write_record_type_debug_info): New function. (finish_record_type): Delegate generation of debug information to write_record_type_debug_info. (update_pointer_to): Remove unneeded calls to rest_of_decl_compilation. (update_pointer_to): Fix pasto. (convert) <UNION_TYPE>: Accept slight type variations when converting to an unchecked union type. * exp_ch13.adb (Expand_N_Freeze_Entity): If Freeze_Type returns True, replace the N_Freeze_Entity with a null statement. * freeze.adb (Freeze_Expression): If the freeze nodes are generated within a constrained subcomponent of an enclosing record, place the freeze nodes in the scope stack entry for the enclosing record. (Undelay_Type): New Subprogram. (Set_Small_Size): Pass T, the type to modify; all callers changed. (Freeze_Entity, Freeze_Record_Type): Change the way we handle types within records; allow them to have freeze nodes if their base types aren't frozen yet. * sem_ch3.adb (Derived_Type_Declaration): New predicate Comes_From_Generic, to recognize accurately that the parent type in a derived type declaration can be traced back to a formal type, because it is one or is derived from one, or because its completion is derived from one. (Constrain_Component_Type): If component comes from source and has no explicit constraint, no need to constrain in in a subtype of the enclosing record. (Constrain_Access, Constrain_Array): Allow itypes to be delayed. Minor change to propagate Is_Ada_2005 flag * trans.c (gnat_to_gnu, case N_Aggregate): Verify that Expansion_Delayed is False. (assoc_to_constructor): Ignore fields that have a Corresponding_Discriminant. (gnat_to_gnu) <N_Return_Statement>: Restructure. If the function returns "by target", dereference the target pointer using the type of the actual return value. <all>: Be prepared for a null gnu_result. (processed_inline_subprograms): Check flag_really_no_inline instead of flag_no_inline. (set_second_error_entity): Remove unused function. (gnat_to_gnu, case N_Selected_Component): Call gnat_to_gnu_field_decl. (assoc_to_constructor): Likewise. From-SVN: r96492 |
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README
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