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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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/**** c-code.c --- SID C code ADT routines.
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*
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** Author: Steve Folkes <smf@hermes.mod.uk>
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*
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**** Commentary:
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*
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* This file implements the C code ADT used to represent action definitions
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* for the C output language.
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*
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**** Change Log:
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* $Log: c-code.c,v $
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* Revision 1.1.1.1 1998/01/17 15:57:42 release
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* First version to be checked into rolling release.
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*
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* Revision 1.3 1996/03/01 09:53:12 smf
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* c-code.c, c-out-info.c, c-out-info.h, c-output.c:
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* - improved unreachable code analysis;
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* - improved some output formatting;
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* - added support for comment or macro to mark unreachable code.
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*
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* Revision 1.2 1994/12/15 09:56:23 smf
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* Brought into line with OSSG C Coding Standards Document, as per
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* "CR94_178.sid+tld-update".
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*
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* Revision 1.1.1.1 1994/07/25 16:04:17 smf
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* Initial import of SID 1.8 non shared files.
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*
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**/
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/****************************************************************************/
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#include "c-code.h"
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#include "c-out-key.h"
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#include "c-output.h"
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#include "gen-errors.h"
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#include "name.h"
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/*--------------------------------------------------------------------------*/
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static void
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c_code_set_labels PROTO_N ((code))
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PROTO_T (CCodeP code)
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{
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CCodeItemP item;
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for (item = code->head; item; item = item->next) {
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if (item->type == CCT_LABEL) {
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NameP name = entry_get_name (item->u.ident);
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if (!name_has_label (name)) {
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name_set_label (name, c_out_next_label ());
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}
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}
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}
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}
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static void
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c_code_reset_labels PROTO_N ((code))
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PROTO_T (CCodeP code)
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{
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CCodeItemP item;
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for (item = code->head; item; item = item->next) {
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if (item->type == CCT_LABEL) {
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NameP name = entry_get_name (item->u.ident);
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name_reset_label (name);
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}
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}
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}
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static EntryP
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c_code_get_translation PROTO_N ((state, translator, ident, type_ref,
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reference_ref, entry_ref))
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PROTO_T (SaveRStackP state X
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TypeBTransP translator X
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EntryP ident X
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EntryP *type_ref X
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BoolT *reference_ref X
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EntryP *entry_ref)
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{
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EntryP entry = btrans_get_translation (translator, ident);
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EntryP stack_entry;
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ASSERT (entry);
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stack_entry = rstack_get_translation (state, entry, type_ref,
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reference_ref);
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if ((stack_entry == NIL (EntryP)) && (entry_is_non_local (entry))) {
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stack_entry = entry;
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*type_ref = entry_get_non_local (entry);
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*reference_ref = FALSE;
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}
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ASSERT (stack_entry);
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if (entry_ref) {
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*entry_ref = entry;
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}
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return (stack_entry);
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}
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/*--------------------------------------------------------------------------*/
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CCodeP
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c_code_create PROTO_N ((file, line))
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PROTO_T (CStringP file X
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unsigned line)
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{
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CCodeP code = ALLOCATE (CCodeT);
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code->head = NIL (CCodeItemP);
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code->tail = &(code->head);
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code->file = file;
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code->line = line;
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types_init (&(code->param));
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types_init (&(code->result));
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return (code);
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}
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void
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c_code_append_string PROTO_N ((code, string))
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PROTO_T (CCodeP code X
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NStringP string)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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item->next = NIL (CCodeItemP);
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item->type = CCT_STRING;
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nstring_assign (&(item->u.string), string);
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_append_label PROTO_N ((code, string))
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PROTO_T (CCodeP code X
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NStringP string)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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item->next = NIL (CCodeItemP);
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item->type = CCT_LABEL;
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nstring_assign (&(item->u.string), string);
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_append_identifier PROTO_N ((code, string))
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PROTO_T (CCodeP code X
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NStringP string)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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item->next = NIL (CCodeItemP);
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item->type = CCT_IDENT;
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nstring_assign (&(item->u.string), string);
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_append_modifiable PROTO_N ((code, string))
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PROTO_T (CCodeP code X
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NStringP string)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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item->next = NIL (CCodeItemP);
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item->type = CCT_MOD_IDENT;
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nstring_assign (&(item->u.string), string);
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_append_reference PROTO_N ((code, string))
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PROTO_T (CCodeP code X
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NStringP string)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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item->next = NIL (CCodeItemP);
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item->type = CCT_REF_IDENT;
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nstring_assign (&(item->u.string), string);
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_append_exception PROTO_N ((code))
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PROTO_T (CCodeP code)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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item->next = NIL (CCodeItemP);
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item->type = CCT_EXCEPTION;
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_append_advance PROTO_N ((code))
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PROTO_T (CCodeP code)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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item->next = NIL (CCodeItemP);
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item->type = CCT_ADVANCE;
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_append_terminal PROTO_N ((code))
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PROTO_T (CCodeP code)
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{
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CCodeItemP item = ALLOCATE (CCodeItemT);
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247 |
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item->next = NIL (CCodeItemP);
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item->type = CCT_TERMINAL;
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*(code->tail) = item;
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code->tail = &(item->next);
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}
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void
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c_code_check PROTO_N ((code, exceptions, param_op, param, result, table))
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PROTO_T (CCodeP code X
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BoolT exceptions X
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BoolT param_op X
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TypeTupleP param X
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TypeTupleP result X
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TableP table)
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{
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CCodeItemP item;
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EntryP entry;
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265 |
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for (item = code->head; item; item = item->next) {
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switch (item->type) EXHAUSTIVE {
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case CCT_IDENT:
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entry = table_add_name (table, &(item->u.string));
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item->u.ident = entry;
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if (((param == NIL (TypeTupleP)) ||
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(!types_contains (param, entry))) &&
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((result == NIL (TypeTupleP)) ||
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(!types_contains (result, entry)))) {
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E_bad_id_substitution (c_code_file (code), c_code_line (code),
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entry);
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} else if (result) {
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name_used (entry_get_name (entry));
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}
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280 |
break;
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281 |
case CCT_MOD_IDENT:
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282 |
entry = table_add_name (table, &(item->u.string));
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283 |
item->u.ident = entry;
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284 |
if (exceptions) {
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285 |
if ((param == NIL (TypeTupleP)) ||
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286 |
(!types_mutated (param, entry))) {
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287 |
E_bad_mod_id_substitution (c_code_file (code),
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288 |
c_code_line (code), entry);
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289 |
}
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290 |
} else {
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291 |
E_mod_id_in_assign (c_code_file (code), c_code_line (code),
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292 |
entry);
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293 |
}
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294 |
break;
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295 |
case CCT_REF_IDENT:
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296 |
entry = table_add_name (table, &(item->u.string));
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297 |
item->u.ident = entry;
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298 |
if (!param_op) {
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299 |
if ((param == NIL (TypeTupleP)) ||
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300 |
(!types_contains (param, entry))) {
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301 |
E_bad_ref_id_substitution (c_code_file (code),
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302 |
c_code_line (code), entry);
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303 |
}
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304 |
} else {
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305 |
E_ref_id_in_param_op (c_code_file (code), c_code_line (code),
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306 |
entry);
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307 |
}
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308 |
break;
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309 |
case CCT_LABEL:
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310 |
entry = table_add_name (table, &(item->u.string));
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311 |
item->u.ident = entry;
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312 |
if ((param == NIL (TypeTupleP)) && (result == NIL (TypeTupleP))) {
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313 |
E_bad_label_substitution (c_code_file (code),
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314 |
c_code_line (code), entry);
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315 |
}
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316 |
break;
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317 |
case CCT_EXCEPTION:
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318 |
if (!exceptions) {
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319 |
E_bad_exception_substitution (c_code_file (code),
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320 |
c_code_line (code));
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321 |
}
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322 |
break;
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323 |
case CCT_ADVANCE:
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324 |
if (!exceptions) {
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325 |
E_bad_advance_substitution (c_code_file (code),
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326 |
c_code_line (code));
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327 |
}
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328 |
break;
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329 |
case CCT_TERMINAL:
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330 |
if (!exceptions) {
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331 |
E_bad_terminal_substitution (c_code_file (code),
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332 |
c_code_line (code));
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333 |
}
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334 |
break;
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335 |
case CCT_STRING:
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336 |
break;
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337 |
}
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338 |
}
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339 |
if (result) {
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340 |
types_check_used (result, E_code_undefined_result, (GenericP) code);
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341 |
for (item = code->head; item; item = item->next) {
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342 |
if (item->type == CCT_IDENT) {
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343 |
name_not_used (entry_get_name (item->u.ident));
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344 |
}
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345 |
}
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346 |
}
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347 |
if (param) {
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348 |
types_assign (&(code->param), param);
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349 |
}
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350 |
if (result) {
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351 |
types_assign (&(code->result), result);
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352 |
}
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353 |
}
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354 |
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355 |
#ifdef FS_FAST
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356 |
#undef c_code_file
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357 |
#endif /* defined (FS_FAST) */
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358 |
CStringP
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359 |
c_code_file PROTO_N ((code))
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360 |
PROTO_T (CCodeP code)
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361 |
{
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362 |
return (code->file);
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363 |
}
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364 |
#ifdef FS_FAST
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365 |
#define c_code_file(c) ((c)->file)
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366 |
#endif /* defined(FS_FAST) */
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367 |
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368 |
#ifdef FS_FAST
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369 |
#undef c_code_line
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370 |
#endif /* defined (FS_FAST) */
|
|
|
371 |
unsigned
|
|
|
372 |
c_code_line PROTO_N ((code))
|
|
|
373 |
PROTO_T (CCodeP code)
|
|
|
374 |
{
|
|
|
375 |
return (code->line);
|
|
|
376 |
}
|
|
|
377 |
#ifdef FS_FAST
|
|
|
378 |
#define c_code_line(c) ((c)->line)
|
|
|
379 |
#endif /* defined(FS_FAST) */
|
|
|
380 |
|
|
|
381 |
TypeTupleP
|
|
|
382 |
c_code_param PROTO_N ((code))
|
|
|
383 |
PROTO_T (CCodeP code)
|
|
|
384 |
{
|
|
|
385 |
return (&(code->param));
|
|
|
386 |
}
|
|
|
387 |
|
|
|
388 |
TypeTupleP
|
|
|
389 |
c_code_result PROTO_N ((code))
|
|
|
390 |
PROTO_T (CCodeP code)
|
|
|
391 |
{
|
|
|
392 |
return (&(code->result));
|
|
|
393 |
}
|
|
|
394 |
|
|
|
395 |
void
|
|
|
396 |
c_code_deallocate PROTO_N ((code))
|
|
|
397 |
PROTO_T (CCodeP code)
|
|
|
398 |
{
|
|
|
399 |
CCodeItemP item = code->head;
|
|
|
400 |
|
|
|
401 |
while (item) {
|
|
|
402 |
CCodeItemP next = item->next;
|
|
|
403 |
|
|
|
404 |
switch (item->type) EXHAUSTIVE {
|
|
|
405 |
case CCT_STRING:
|
|
|
406 |
nstring_destroy (&(item->u.string));
|
|
|
407 |
break;
|
|
|
408 |
case CCT_IDENT:
|
|
|
409 |
case CCT_MOD_IDENT:
|
|
|
410 |
case CCT_REF_IDENT:
|
|
|
411 |
case CCT_LABEL:
|
|
|
412 |
case CCT_EXCEPTION:
|
|
|
413 |
case CCT_TERMINAL:
|
|
|
414 |
case CCT_ADVANCE:
|
|
|
415 |
break;
|
|
|
416 |
}
|
|
|
417 |
DEALLOCATE (item);
|
|
|
418 |
item = next;
|
|
|
419 |
}
|
|
|
420 |
types_destroy (&(code->param));
|
|
|
421 |
types_destroy (&(code->result));
|
|
|
422 |
DEALLOCATE (code);
|
|
|
423 |
}
|
|
|
424 |
|
|
|
425 |
void
|
|
|
426 |
c_output_c_code_action PROTO_N ((info, code, param, result, state,
|
|
|
427 |
handler_rule))
|
|
|
428 |
PROTO_T (COutputInfoP info X
|
|
|
429 |
CCodeP code X
|
|
|
430 |
TypeTupleP param X
|
|
|
431 |
TypeTupleP result X
|
|
|
432 |
SaveRStackP state X
|
|
|
433 |
RuleP handler_rule)
|
|
|
434 |
{
|
|
|
435 |
OStreamP ostream = c_out_info_ostream (info);
|
|
|
436 |
NStringP label_prefix = c_out_info_label_prefix (info);
|
|
|
437 |
NStringP in_prefix = c_out_info_in_prefix (info);
|
|
|
438 |
CCodeItemP item;
|
|
|
439 |
EntryP stack_entry;
|
|
|
440 |
EntryP entry;
|
|
|
441 |
EntryP stack_type;
|
|
|
442 |
BoolT stack_reference;
|
|
|
443 |
BoolT use_cast;
|
|
|
444 |
TypeBTransT translator;
|
|
|
445 |
|
|
|
446 |
c_code_set_labels (code);
|
|
|
447 |
btrans_init (&translator);
|
|
|
448 |
btrans_add_translations (&translator, &(code->param), param);
|
|
|
449 |
btrans_add_translations (&translator, &(code->result), result);
|
|
|
450 |
for (item = code->head; item; item = item->next) {
|
|
|
451 |
switch (item->type) EXHAUSTIVE {
|
|
|
452 |
case CCT_STRING:
|
|
|
453 |
write_nstring (ostream, &(item->u.string));
|
|
|
454 |
break;
|
|
|
455 |
case CCT_LABEL:
|
|
|
456 |
write_nstring (ostream, label_prefix);
|
|
|
457 |
write_unsigned (ostream,
|
|
|
458 |
name_get_label (entry_get_name (item->u.ident)));
|
|
|
459 |
break;
|
|
|
460 |
case CCT_IDENT:
|
|
|
461 |
stack_entry = c_code_get_translation (state, &translator,
|
|
|
462 |
item->u.ident, &stack_type,
|
|
|
463 |
&stack_reference, &entry);
|
|
|
464 |
use_cast = (types_contains (param, entry) &&
|
|
|
465 |
c_out_info_get_casts (info));
|
|
|
466 |
if (use_cast) {
|
|
|
467 |
write_cstring (ostream, "((");
|
|
|
468 |
c_output_mapped_key (info, stack_type);
|
|
|
469 |
write_cstring (ostream, ") (");
|
|
|
470 |
} else {
|
|
|
471 |
write_char (ostream, '(');
|
|
|
472 |
}
|
|
|
473 |
if (stack_reference) {
|
|
|
474 |
write_char (ostream, '*');
|
|
|
475 |
}
|
|
|
476 |
c_output_key (info, entry_key (stack_entry), in_prefix);
|
|
|
477 |
if (use_cast) {
|
|
|
478 |
write_cstring (ostream, "))");
|
|
|
479 |
} else {
|
|
|
480 |
write_char (ostream, ')');
|
|
|
481 |
}
|
|
|
482 |
break;
|
|
|
483 |
case CCT_MOD_IDENT:
|
|
|
484 |
stack_entry = c_code_get_translation (state, &translator,
|
|
|
485 |
item->u.ident, &stack_type,
|
|
|
486 |
&stack_reference,
|
|
|
487 |
NIL (EntryP *));
|
|
|
488 |
write_char (ostream, '(');
|
|
|
489 |
if (stack_reference) {
|
|
|
490 |
write_char (ostream, '*');
|
|
|
491 |
}
|
|
|
492 |
c_output_key (info, entry_key (stack_entry), in_prefix);
|
|
|
493 |
write_char (ostream, ')');
|
|
|
494 |
break;
|
|
|
495 |
case CCT_REF_IDENT:
|
|
|
496 |
stack_entry = c_code_get_translation (state, &translator,
|
|
|
497 |
item->u.ident, &stack_type,
|
|
|
498 |
&stack_reference,
|
|
|
499 |
NIL (EntryP *));
|
|
|
500 |
write_char (ostream, '(');
|
|
|
501 |
if (!stack_reference) {
|
|
|
502 |
write_char (ostream, '&');
|
|
|
503 |
}
|
|
|
504 |
c_output_key (info, entry_key (stack_entry), in_prefix);
|
|
|
505 |
write_char (ostream, ')');
|
|
|
506 |
break;
|
|
|
507 |
case CCT_EXCEPTION:
|
|
|
508 |
write_cstring (ostream, "goto ");
|
|
|
509 |
write_nstring (ostream, label_prefix);
|
|
|
510 |
write_unsigned (ostream, rule_get_handler_label (handler_rule));
|
|
|
511 |
break;
|
|
|
512 |
case CCT_ADVANCE:
|
|
|
513 |
write_cstring (ostream, "ADVANCE_LEXER");
|
|
|
514 |
break;
|
|
|
515 |
case CCT_TERMINAL:
|
|
|
516 |
write_cstring (ostream, "CURRENT_TERMINAL");
|
|
|
517 |
break;
|
|
|
518 |
}
|
|
|
519 |
}
|
|
|
520 |
btrans_destroy (&translator);
|
|
|
521 |
c_code_reset_labels (code);
|
|
|
522 |
}
|
|
|
523 |
|
|
|
524 |
void
|
|
|
525 |
c_output_c_code_basic PROTO_N ((info, code, result, state))
|
|
|
526 |
PROTO_T (COutputInfoP info X
|
|
|
527 |
CCodeP code X
|
|
|
528 |
TypeTupleP result X
|
|
|
529 |
SaveRStackP state)
|
|
|
530 |
{
|
|
|
531 |
OStreamP ostream = c_out_info_ostream (info);
|
|
|
532 |
NStringP label_prefix = c_out_info_label_prefix (info);
|
|
|
533 |
NStringP in_prefix = c_out_info_in_prefix (info);
|
|
|
534 |
CCodeItemP item;
|
|
|
535 |
EntryP stack_entry;
|
|
|
536 |
EntryP stack_type;
|
|
|
537 |
BoolT stack_reference;
|
|
|
538 |
TypeBTransT translator;
|
|
|
539 |
|
|
|
540 |
c_code_set_labels (code);
|
|
|
541 |
btrans_init (&translator);
|
|
|
542 |
btrans_add_translations (&translator, &(code->result), result);
|
|
|
543 |
for (item = code->head; item; item = item->next) {
|
|
|
544 |
switch (item->type) EXHAUSTIVE {
|
|
|
545 |
case CCT_STRING:
|
|
|
546 |
write_nstring (ostream, &(item->u.string));
|
|
|
547 |
break;
|
|
|
548 |
case CCT_LABEL:
|
|
|
549 |
write_nstring (ostream, label_prefix);
|
|
|
550 |
write_unsigned (ostream,
|
|
|
551 |
name_get_label (entry_get_name (item->u.ident)));
|
|
|
552 |
break;
|
|
|
553 |
case CCT_IDENT:
|
|
|
554 |
stack_entry = c_code_get_translation (state, &translator,
|
|
|
555 |
item->u.ident, &stack_type,
|
|
|
556 |
&stack_reference,
|
|
|
557 |
NIL (EntryP *));
|
|
|
558 |
c_output_key (info, entry_key (stack_entry), in_prefix);
|
|
|
559 |
break;
|
|
|
560 |
case CCT_MOD_IDENT:
|
|
|
561 |
case CCT_REF_IDENT:
|
|
|
562 |
case CCT_EXCEPTION:
|
|
|
563 |
case CCT_ADVANCE:
|
|
|
564 |
case CCT_TERMINAL:
|
|
|
565 |
UNREACHED;
|
|
|
566 |
}
|
|
|
567 |
}
|
|
|
568 |
btrans_destroy (&translator);
|
|
|
569 |
c_code_reset_labels (code);
|
|
|
570 |
}
|
|
|
571 |
|
|
|
572 |
void
|
|
|
573 |
c_output_c_code_assign PROTO_N ((info, code, type, from, to, from_reference,
|
|
|
574 |
to_reference))
|
|
|
575 |
PROTO_T (COutputInfoP info X
|
|
|
576 |
CCodeP code X
|
|
|
577 |
EntryP type X
|
|
|
578 |
EntryP from X
|
|
|
579 |
EntryP to X
|
|
|
580 |
BoolT from_reference X
|
|
|
581 |
BoolT to_reference)
|
|
|
582 |
{
|
|
|
583 |
OStreamP ostream = c_out_info_ostream (info);
|
|
|
584 |
NStringP label_prefix = c_out_info_label_prefix (info);
|
|
|
585 |
NStringP in_prefix = c_out_info_in_prefix (info);
|
|
|
586 |
BoolT is_param;
|
|
|
587 |
BoolT use_cast;
|
|
|
588 |
CCodeItemP item;
|
|
|
589 |
|
|
|
590 |
c_code_set_labels (code);
|
|
|
591 |
for (item = code->head; item; item = item->next) {
|
|
|
592 |
switch (item->type) EXHAUSTIVE {
|
|
|
593 |
case CCT_STRING:
|
|
|
594 |
write_nstring (ostream, &(item->u.string));
|
|
|
595 |
break;
|
|
|
596 |
case CCT_LABEL:
|
|
|
597 |
write_nstring (ostream, label_prefix);
|
|
|
598 |
write_unsigned (ostream,
|
|
|
599 |
name_get_label (entry_get_name (item->u.ident)));
|
|
|
600 |
break;
|
|
|
601 |
case CCT_IDENT:
|
|
|
602 |
is_param = types_contains (&(code->param), item->u.ident);
|
|
|
603 |
use_cast = (is_param && c_out_info_get_casts (info));
|
|
|
604 |
if (use_cast) {
|
|
|
605 |
write_cstring (ostream, "((");
|
|
|
606 |
c_output_mapped_key (info, type);
|
|
|
607 |
write_cstring (ostream, ") (");
|
|
|
608 |
} else {
|
|
|
609 |
write_char (ostream, '(');
|
|
|
610 |
}
|
|
|
611 |
if (is_param) {
|
|
|
612 |
if (from_reference) {
|
|
|
613 |
write_char (ostream, '*');
|
|
|
614 |
}
|
|
|
615 |
c_output_key (info, entry_key (from), in_prefix);
|
|
|
616 |
} else {
|
|
|
617 |
if (to_reference) {
|
|
|
618 |
write_char (ostream, '*');
|
|
|
619 |
}
|
|
|
620 |
c_output_key (info, entry_key (to), in_prefix);
|
|
|
621 |
}
|
|
|
622 |
if (use_cast) {
|
|
|
623 |
write_cstring (ostream, "))");
|
|
|
624 |
} else {
|
|
|
625 |
write_char (ostream, ')');
|
|
|
626 |
}
|
|
|
627 |
break;
|
|
|
628 |
case CCT_REF_IDENT:
|
|
|
629 |
write_char (ostream, '(');
|
|
|
630 |
if (!from_reference) {
|
|
|
631 |
write_char (ostream, '&');
|
|
|
632 |
}
|
|
|
633 |
c_output_key (info, entry_key (from), in_prefix);
|
|
|
634 |
write_char (ostream, ')');
|
|
|
635 |
break;
|
|
|
636 |
case CCT_MOD_IDENT:
|
|
|
637 |
case CCT_EXCEPTION:
|
|
|
638 |
case CCT_ADVANCE:
|
|
|
639 |
case CCT_TERMINAL:
|
|
|
640 |
UNREACHED;
|
|
|
641 |
}
|
|
|
642 |
}
|
|
|
643 |
c_code_reset_labels (code);
|
|
|
644 |
}
|
|
|
645 |
|
|
|
646 |
void
|
|
|
647 |
c_output_c_code_param_assign PROTO_N ((info, code, type, entry))
|
|
|
648 |
PROTO_T (COutputInfoP info X
|
|
|
649 |
CCodeP code X
|
|
|
650 |
EntryP type X
|
|
|
651 |
EntryP entry)
|
|
|
652 |
{
|
|
|
653 |
OStreamP ostream = c_out_info_ostream (info);
|
|
|
654 |
NStringP label_prefix = c_out_info_label_prefix (info);
|
|
|
655 |
NStringP in_prefix = c_out_info_in_prefix (info);
|
|
|
656 |
NStringP out_prefix = c_out_info_out_prefix (info);
|
|
|
657 |
CCodeItemP item;
|
|
|
658 |
|
|
|
659 |
c_code_set_labels (code);
|
|
|
660 |
for (item = code->head; item; item = item->next) {
|
|
|
661 |
switch (item->type) EXHAUSTIVE {
|
|
|
662 |
case CCT_STRING:
|
|
|
663 |
write_nstring (ostream, &(item->u.string));
|
|
|
664 |
break;
|
|
|
665 |
case CCT_LABEL:
|
|
|
666 |
write_nstring (ostream, label_prefix);
|
|
|
667 |
write_unsigned (ostream,
|
|
|
668 |
name_get_label (entry_get_name (item->u.ident)));
|
|
|
669 |
break;
|
|
|
670 |
case CCT_IDENT:
|
|
|
671 |
if (types_contains (&(code->param), item->u.ident)) {
|
|
|
672 |
BoolT use_cast = c_out_info_get_casts (info);
|
|
|
673 |
|
|
|
674 |
if (use_cast) {
|
|
|
675 |
write_cstring (ostream, "((");
|
|
|
676 |
c_output_mapped_key (info, type);
|
|
|
677 |
write_cstring (ostream, " *) (");
|
|
|
678 |
}
|
|
|
679 |
c_output_key (info, entry_key (entry), out_prefix);
|
|
|
680 |
if (use_cast) {
|
|
|
681 |
write_cstring (ostream, "))");
|
|
|
682 |
}
|
|
|
683 |
} else {
|
|
|
684 |
c_output_key (info, entry_key (entry), in_prefix);
|
|
|
685 |
}
|
|
|
686 |
break;
|
|
|
687 |
case CCT_MOD_IDENT:
|
|
|
688 |
case CCT_REF_IDENT:
|
|
|
689 |
case CCT_EXCEPTION:
|
|
|
690 |
case CCT_ADVANCE:
|
|
|
691 |
case CCT_TERMINAL:
|
|
|
692 |
UNREACHED;
|
|
|
693 |
}
|
|
|
694 |
}
|
|
|
695 |
c_code_reset_labels (code);
|
|
|
696 |
}
|
|
|
697 |
|
|
|
698 |
void
|
|
|
699 |
c_output_c_code_result_assign PROTO_N ((info, code, type, entry))
|
|
|
700 |
PROTO_T (COutputInfoP info X
|
|
|
701 |
CCodeP code X
|
|
|
702 |
EntryP type X
|
|
|
703 |
EntryP entry)
|
|
|
704 |
{
|
|
|
705 |
OStreamP ostream = c_out_info_ostream (info);
|
|
|
706 |
NStringP label_prefix = c_out_info_label_prefix (info);
|
|
|
707 |
NStringP in_prefix = c_out_info_in_prefix (info);
|
|
|
708 |
NStringP out_prefix = c_out_info_out_prefix (info);
|
|
|
709 |
CCodeItemP item;
|
|
|
710 |
|
|
|
711 |
c_code_set_labels (code);
|
|
|
712 |
for (item = code->head; item; item = item->next) {
|
|
|
713 |
switch (item->type) EXHAUSTIVE {
|
|
|
714 |
case CCT_STRING:
|
|
|
715 |
write_nstring (ostream, &(item->u.string));
|
|
|
716 |
break;
|
|
|
717 |
case CCT_LABEL:
|
|
|
718 |
write_nstring (ostream, label_prefix);
|
|
|
719 |
write_unsigned (ostream,
|
|
|
720 |
name_get_label (entry_get_name (item->u.ident)));
|
|
|
721 |
break;
|
|
|
722 |
case CCT_IDENT:
|
|
|
723 |
if (types_contains (&(code->param), item->u.ident)) {
|
|
|
724 |
BoolT use_cast = c_out_info_get_casts (info);
|
|
|
725 |
|
|
|
726 |
if (use_cast) {
|
|
|
727 |
write_cstring (ostream, "((");
|
|
|
728 |
c_output_mapped_key (info, type);
|
|
|
729 |
write_cstring (ostream, ") (");
|
|
|
730 |
}
|
|
|
731 |
c_output_key (info, entry_key (entry), in_prefix);
|
|
|
732 |
if (use_cast) {
|
|
|
733 |
write_cstring (ostream, "))");
|
|
|
734 |
}
|
|
|
735 |
} else {
|
|
|
736 |
c_output_key (info, entry_key (entry), out_prefix);
|
|
|
737 |
}
|
|
|
738 |
break;
|
|
|
739 |
case CCT_REF_IDENT:
|
|
|
740 |
write_cstring (ostream, "(&");
|
|
|
741 |
c_output_key (info, entry_key (entry), in_prefix);
|
|
|
742 |
write_char (ostream, ')');
|
|
|
743 |
break;
|
|
|
744 |
case CCT_MOD_IDENT:
|
|
|
745 |
case CCT_EXCEPTION:
|
|
|
746 |
case CCT_ADVANCE:
|
|
|
747 |
case CCT_TERMINAL:
|
|
|
748 |
UNREACHED;
|
|
|
749 |
}
|
|
|
750 |
}
|
|
|
751 |
c_code_reset_labels (code);
|
|
|
752 |
}
|
|
|
753 |
|
|
|
754 |
void
|
|
|
755 |
c_output_c_code PROTO_N ((info, code))
|
|
|
756 |
PROTO_T (COutputInfoP info X
|
|
|
757 |
CCodeP code)
|
|
|
758 |
{
|
|
|
759 |
OStreamP ostream = c_out_info_ostream (info);
|
|
|
760 |
CCodeItemP item;
|
|
|
761 |
|
|
|
762 |
for (item = code->head; item; item = item->next) {
|
|
|
763 |
switch (item->type) EXHAUSTIVE {
|
|
|
764 |
case CCT_STRING:
|
|
|
765 |
write_nstring (ostream, &(item->u.string));
|
|
|
766 |
break;
|
|
|
767 |
case CCT_LABEL:
|
|
|
768 |
case CCT_IDENT:
|
|
|
769 |
case CCT_MOD_IDENT:
|
|
|
770 |
case CCT_REF_IDENT:
|
|
|
771 |
case CCT_EXCEPTION:
|
|
|
772 |
case CCT_ADVANCE:
|
|
|
773 |
case CCT_TERMINAL:
|
|
|
774 |
UNREACHED;
|
|
|
775 |
}
|
|
|
776 |
}
|
|
|
777 |
}
|
|
|
778 |
|
|
|
779 |
/*
|
|
|
780 |
* Local variables(smf):
|
|
|
781 |
* eval: (include::add-path-entry "../os-interface" "../library")
|
|
|
782 |
* eval: (include::add-path-entry "../transforms" "../output" "../generated")
|
|
|
783 |
* end:
|
|
|
784 |
**/
|