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/*
Crown Copyright (c) 1997
This TenDRA(r) Computer Program is subject to Copyright
owned by the United Kingdom Secretary of State for Defence
acting through the Defence Evaluation and Research Agency
(DERA). It is made available to Recipients with a
royalty-free licence for its use, reproduction, transfer
to other parties and amendment for any purpose not excluding
product development provided that any such use et cetera
shall be deemed to be acceptance of the following conditions:-
(1) Its Recipients shall ensure that this Notice is
reproduced upon any copies or amended versions of it;
(2) Any amended version of it shall be clearly marked to
show both the nature of and the organisation responsible
for the relevant amendment or amendments;
(3) Its onward transfer from a recipient to another
party shall be deemed to be that party's acceptance of
these conditions;
(4) DERA gives no warranty or assurance as to its
quality or suitability for any purpose and DERA accepts
no liability whatsoever in relation to any use to which
it may be put.
*/
/*** c-out-nl.c --- Output of non local name list ADT objects.
*
** Author: Steve Folkes <smf@hermes.mod.uk>
*
*** Commentary:
*
* This file implements the non local name list output routines used by SID.
*
*** Change Log:
* $Log: c-out-nl.c,v $
* Revision 1.1.1.1 1998/01/17 15:57:43 release
* First version to be checked into rolling release.
*
* Revision 1.2 1994/12/15 09:56:34 smf
* Brought into line with OSSG C Coding Standards Document, as per
* "CR94_178.sid+tld-update".
*
* Revision 1.1.1.1 1994/07/25 16:04:20 smf
* Initial import of SID 1.8 non shared files.
*
**/
/****************************************************************************/
#include "c-out-nl.h"
#include "action.h"
#include "c-code.h"
#include "c-out-key.h"
#include "c-out-types.h"
/*--------------------------------------------------------------------------*/
typedef struct NonLocalClosureT {
COutputInfoP info;
SaveRStackP state;
unsigned indent;
} NonLocalClosureT, *NonLocalClosureP;
/*--------------------------------------------------------------------------*/
static void
c_output_save_non_locals_1 PROTO_N ((info, non_local, non_local_state, rstack,
handler_rule, table, indent))
PROTO_T (COutputInfoP info X
NonLocalEntryP non_local X
SaveRStackP non_local_state X
RStackP rstack X
RuleP handler_rule X
TableP table X
unsigned indent)
{
OStreamP ostream = c_out_info_ostream (info);
EntryP entry = non_local_entry_get_initialiser (non_local);
if (entry) {
EntryP type;
BoolT reference;
EntryP translation = rstack_get_translation (non_local_state,
non_local->name,
&type,
&reference);
KeyP key = entry_key (entry);
ActionP action = entry_get_action (entry);
TypeTupleP param = action_param (action);
CCodeP code = action_get_code (action);
BoolT copies;
TypeTupleT args;
TypeTupleT result_args;
SaveRStackT state;
c_output_key_message (info, "/* BEGINNING OF INITIALISER: ", key,
" */", indent);
c_output_open (info, indent);
rstack_save_state (rstack, &state);
rstack_push_frame (rstack);
types_init (&args);
if (!types_equal_zero_tuple (param)) {
types_add_name_and_type (&args, translation, type, reference);
}
types_init (&result_args);
types_add_name_and_type (&result_args, non_local->name, type, FALSE);
copies = c_output_required_copies (info, c_code_param (code),
&args, rstack, &state,
indent + C_INDENT_STEP, table);
if (copies) {
c_output_open (info, indent + C_INDENT_STEP);
}
rstack_save_state (rstack, &state);
c_output_location (info, c_code_file (code), c_code_line (code));
c_output_c_code_action (info, code, &args, &result_args, &state,
handler_rule);
c_output_location (info, ostream_name (ostream),
ostream_line (ostream) + 1);
rstack_pop_frame (rstack);
if (copies) {
c_output_close (info, indent + C_INDENT_STEP);
}
c_output_close (info, indent);
c_output_key_message (info, "/* END OF INITIALISER: ", key, " */",
indent);
types_destroy (&result_args);
types_destroy (&args);
}
}
static void
c_output_restore_non_locals_1 PROTO_N ((from, to, gclosure))
PROTO_T (EntryP from X
EntryP to X
GenericP gclosure)
{
NonLocalClosureP closure = (NonLocalClosureP) gclosure;
COutputInfoP info = closure->info;
SaveRStackP state = closure->state;
unsigned indent = closure->indent;
c_output_assign (info, to, from, state, state, indent);
}
/*--------------------------------------------------------------------------*/
void
c_output_non_locals PROTO_N ((info, non_locals))
PROTO_T (COutputInfoP info X
NonLocalListP non_locals)
{
OStreamP ostream = c_out_info_ostream (info);
NonLocalEntryP non_local;
for (non_local = non_locals->head; non_local;
non_local = non_local->next) {
if (!c_out_info_get_split (info)) {
write_cstring (ostream, "static ");
}
c_output_mapped_key (info, non_local->type);
write_char (ostream, ' ');
c_output_mapped_key (info, non_local->name);
write_char (ostream, ';');
write_newline (ostream);
}
}
void
c_output_declare_non_locals PROTO_N ((info, non_locals))
PROTO_T (COutputInfoP info X
NonLocalListP non_locals)
{
OStreamP ostream = c_out_info_ostream (info);
NonLocalEntryP non_local;
for (non_local = non_locals->head; non_local;
non_local = non_local->next) {
write_cstring (ostream, "extern ");
c_output_mapped_key (info, non_local->type);
write_char (ostream, ' ');
c_output_mapped_key (info, non_local->name);
write_char (ostream, ';');
write_newline (ostream);
}
}
void
c_output_save_non_locals PROTO_N ((info, rule, indent, rstack, non_local_stack,
handler_rule, table))
PROTO_T (COutputInfoP info X
RuleP rule X
unsigned indent X
RStackP rstack X
RStackP non_local_stack X
RuleP handler_rule X
TableP table)
{
OStreamP ostream = c_out_info_ostream (info);
NStringP in_prefix = c_out_info_in_prefix (info);
NonLocalListP non_locals = rule_non_locals (rule);
NonLocalEntryP non_local;
SaveRStackT state;
SaveRStackT non_local_state;
for (non_local = non_locals->head; non_local;
non_local = non_local->next) {
EntryP entry = table_add_generated_name (table);
output_indent (c_out_info_info (info), indent);
c_output_mapped_key (info, non_local->type);
write_char (ostream, ' ');
c_output_key (info, entry_key (entry), in_prefix);
write_newline (ostream);
rstack_add_translation (non_local_stack, non_local->name, entry,
non_local->type, FALSE);
rstack_add_translation (rstack, entry, entry, non_local->type, FALSE);
}
write_newline (ostream);
rstack_save_state (rstack, &state);
rstack_save_state (non_local_stack, &non_local_state);
for (non_local = non_locals->head; non_local;
non_local = non_local->next) {
EntryP type;
BoolT reference;
EntryP entry = rstack_get_translation (&non_local_state,
non_local->name, &type,
&reference);
ASSERT ((entry != NIL (EntryP)) && (type == non_local->type) &&
(!reference));
c_output_assign (info, non_local->name, entry, &state, &state, indent);
}
for (non_local = non_locals->head; non_local;
non_local = non_local->next) {
c_output_save_non_locals_1 (info, non_local, &non_local_state,
rstack, handler_rule, table, indent);
}
rstack_save_state (non_local_stack, rule_non_local_state (rule));
}
void
c_output_restore_non_locals PROTO_N ((info, rule, indent, rstack,
non_local_stack))
PROTO_T (COutputInfoP info X
RuleP rule X
unsigned indent X
RStackP rstack X
RStackP non_local_stack)
{
NonLocalClosureT closure;
SaveRStackT state;
rstack_save_state (rstack, &state);
closure.info = info;
closure.state = &state;
closure.indent = indent;
rstack_apply_for_non_locals (non_local_stack, rule_non_local_state (rule),
c_output_restore_non_locals_1,
(GenericP) &closure);
}
/*
* Local variables(smf):
* eval: (include::add-path-entry "../os-interface" "../library")
* eval: (include::add-path-entry "../transforms" "../output" "../generated")
* end:
**/