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/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include "write.h"
#include "utils.h"
#include "global.h"
#include "error.h"
static void
WriteIncludes(FILE *file)
{
fprintf(file, "#include <mach/kern_return.h>\n");
fprintf(file, "#include <mach/port.h>\n");
fprintf(file, "#include <mach/message.h>\n");
fprintf(file, "\n");
}
static void
WriteDefines(FILE *file)
{
(void) file; /* Avoid the warning. */
}
static void
WriteMigExternal(FILE *file)
{
fprintf(file, "#ifdef\tmig_external\n");
fprintf(file, "mig_external\n");
fprintf(file, "#else\n");
fprintf(file, "extern\n");
fprintf(file, "#endif\n");
}
static void
WriteProlog(FILE *file, const char *protect)
{
if (protect != strNULL) {
fprintf(file, "#ifndef\t_%s\n", protect);
fprintf(file, "#define\t_%s\n", protect);
fprintf(file, "\n");
}
fprintf(file, "/* Module %s */\n", SubsystemName);
fprintf(file, "\n");
WriteIncludes(file);
WriteDefines(file);
}
static void
WriteEpilog(FILE *file, const char *protect)
{
if (protect != strNULL) {
fprintf(file, "\n");
fprintf(file, "#endif\t/* not defined(_%s) */\n", protect);
}
}
static void
WriteUserRoutine(FILE *file, const routine_t *rt)
{
fprintf(file, "\n");
fprintf(file, "/* %s %s */\n", rtRoutineKindToStr(rt->rtKind), rt->rtName);
WriteMigExternal(file);
fprintf(file, "%s %s\n", ReturnTypeStr(rt), rt->rtUserName);
fprintf(file, "(\n");
WriteList(file, rt->rtArgs, WriteUserVarDecl, akbUserArg, ",\n", "\n");
fprintf(file, ");\n");
}
void
WriteUserHeader(FILE *file, const statement_t *stats)
{
const statement_t *stat;
const char *protect = strconcat(SubsystemName, "_user_");
WriteProlog(file, protect);
for (stat = stats; stat != stNULL; stat = stat->stNext)
switch (stat->stKind)
{
case skRoutine:
WriteUserRoutine(file, stat->stRoutine);
break;
case skImport:
case skUImport:
WriteImport(file, stat->stFileName);
break;
case skSImport:
break;
default:
fatal("WriteHeader(): bad statement_kind_t (%d)",
(int) stat->stKind);
}
WriteEpilog(file, protect);
}
void
WriteRoutineList(FILE *file, const statement_t *stats)
{
const statement_t *stat;
for (stat = stats; stat != stNULL; stat = stat->stNext)
if (stat->stKind == skRoutine)
{
const routine_t *rt = stat->stRoutine;
fprintf (file, "%s %u %s %u %u %u\n",
SubsystemName, SubsystemBase,
rt->rtName, rt->rtNumber,
SubsystemBase + rt->rtNumber,
rt->rtOneWay ? 0 : SubsystemBase + rt->rtNumber + 100);
}
}
static void
WriteServerRoutine(FILE *file, const routine_t *rt)
{
fprintf(file, "\n");
fprintf(file, "/* %s %s */\n", rtRoutineKindToStr(rt->rtKind), rt->rtName);
WriteMigExternal(file);
fprintf(file, "%s %s\n", ReturnTypeStr(rt), rt->rtServerName);
fprintf(file, "(\n");
WriteList(file, rt->rtArgs, WriteServerVarDecl,
akbServerArg, ",\n", "\n");
fprintf(file, ");\n");
}
void
WriteServerHeader(FILE *file, const statement_t *stats)
{
const statement_t *stat;
const char *protect = strconcat(SubsystemName, "_server_");
WriteProlog(file, protect);
fprintf(file, "#include <mach/mig_errors.h>\n"); /* For mig_routine_t. */
for (stat = stats; stat != stNULL; stat = stat->stNext)
switch (stat->stKind)
{
case skRoutine:
WriteServerRoutine(file, stat->stRoutine);
break;
case skImport:
case skSImport:
WriteImport(file, stat->stFileName);
break;
case skUImport:
break;
default:
fatal("WriteServerHeader(): bad statement_kind_t (%d)",
(int) stat->stKind);
}
fprintf(file, "\n");
/*
* Include the x_server_routine function so it can be inlined.
*/
fprintf(file, "extern mig_routine_t %s_routines[];\n", ServerDemux);
WriteSubsystemServerRoutine(file, "static __inline");
WriteEpilog(file, protect);
}
static void
WriteInternalRedefine(FILE *file, const routine_t *rt)
{
fprintf(file, "#define %s %s_external\n", rt->rtUserName, rt->rtUserName);
}
void
WriteInternalHeader(FILE *file, const statement_t *stats)
{
const statement_t *stat;
for (stat = stats; stat != stNULL; stat = stat->stNext)
switch (stat->stKind)
{
case skRoutine:
WriteInternalRedefine(file, stat->stRoutine);
break;
case skImport:
case skUImport:
case skSImport:
break;
default:
fatal("WriteInternalHeader(): bad statement_kind_t (%d)",
(int) stat->stKind);
}
}
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