-/* -*- mode: c; tab-width: 4; c-basic-offset: 4 -*- */
-/****************************** headers.c **************************************
+/* src/cacaoh/headers.c - functions for header generation
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Dieser Modul ersetzt f"ur den Headerfile-Betrieb den Modul 'main',
- und 'f"alscht' einige Verweise auf externe Module (damit nicht schon
- alle Module des eigentlichen Programmes fertig sein m"ussen, was ja
- unm"oglich w"are, da die Headerfile-Tabellen ja erst hier und jetzt
- generiert werden).
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
- Dieser Modul ist ein ziemlich schneller Hack und dementsprechend
- schlecht (nicht) kommentiert.
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
- Authors: Reinhard Grafl EMAIL: cacao@complang.tuwien.ac.at
- Changes: Mark Probst EMAIL: cacao@complang.tuwien.ac.at
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Last Change: 1997/05/23
+*/
-*******************************************************************************/
-#include "global.h"
+#include "config.h"
-#include "tables.h"
-#include "loader.h"
+#include <assert.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#if defined(ENABLE_THREADS)
+# if defined(__DARWIN__)
+# include <signal.h>
+# endif
+# include <ucontext.h>
+#endif
-/******* verschiedene externe Funktionen "faelschen" (=durch Dummys ersetzen),
- damit der Linker zufrieden ist *********/
-
-functionptr native_findfunction
- (unicode *cname, unicode *mname, unicode *desc, bool isstatic)
-{ return NULL; }
+#include "mm/gc-common.h"
+#include "mm/memory.h"
-java_objectheader *literalstring_new (unicode *text)
-{ return NULL; }
+#include "toolbox/chain.h"
+#include "toolbox/logging.h"
-java_objectheader *javastring_new (unicode *text) /* schani */
-{ return NULL; }
+#include "vm/builtin.h"
+#include "vm/global.h"
+#include "vm/stringlocal.h"
-void synchronize_caches() { }
-void asm_call_jit_compiler () { }
-void asm_calljavamethod () { }
-void asm_dumpregistersandcall () { }
+#include "vmcore/class.h"
+#include "vmcore/method.h"
+#include "vmcore/loader.h"
+#include "vmcore/options.h"
-s4 new_builtin_idiv (s4 a, s4 b) {return 0;}
-s4 new_builtin_irem (s4 a, s4 b) {return 0;}
-s8 new_builtin_ldiv (s8 a, s8 b) {return 0;}
-s8 new_builtin_lrem (s8 a, s8 b) {return 0;}
+/************************ global variables **********************/
-void new_builtin_monitorenter (java_objectheader *o) {}
-void new_builtin_monitorexit (java_objectheader *o) {}
+#define ACC_NATIVELY_OVERLOADED 0x10000000
-s4 new_builtin_checkcast(java_objectheader *o, classinfo *c)
- {return 0;}
-s4 new_builtin_checkarraycast
- (java_objectheader *o, constant_arraydescriptor *d)
- {return 0;}
+chain *ident_chain; /* chain with method and field names in current class */
+FILE *file = NULL;
+static uint32_t outputsize;
+static bool dopadding;
-void new_builtin_aastore (java_objectarray *a, s4 index, java_objectheader *o) {}
-u1 *createcompilerstub (methodinfo *m) {return NULL;}
-u1 *createnativestub (functionptr f, methodinfo *m) {return NULL;}
-u1 *ncreatenativestub (functionptr f, methodinfo *m) {return NULL;}
-
-void removecompilerstub (u1 *stub) {}
-void removenativestub (u1 *stub) {}
-
-void perform_alpha_threadswitch (u1 **from, u1 **to) {}
-u1* initialize_thread_stack (void *func, u1 *stack) { return NULL; }
-void asm_switchstackandcall () { }
-
-java_objectheader *native_new_and_init (void *p) { return NULL; }
-
-/************************ globale Variablen **********************/
-
-java_objectheader *exceptionptr; /* schani */
-int newcompiler = true;
-bool verbose = false;
-
-static chain *nativechain;
-static FILE *file = NULL;
-
-static void printIDpart (int c)
+static void printIDpart(int c)
{
- if ( (c>='a' && c<='z')
- || (c>='A' && c<='Z')
- || (c>='0' && c<='9')
- || (c=='_') )
- putc (c,file);
- else putc ('_',file);
-
+ if ((c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') ||
+ (c >= '0' && c <= '9') ||
+ (c == '_'))
+ putc(c, file);
+ else
+ putc('_', file);
}
-static void printID (unicode *name)
+
+void printID(utf *u)
{
+ char *utf_ptr = u->text;
int i;
- for (i=0; i<name->length; i++) {
- printIDpart (name->text[i]);
- }
-}
+ for (i = 0; i < utf_get_number_of_u2s(u); i++)
+ printIDpart(utf_nextu2(&utf_ptr));
+}
-u4 outputsize;
-bool dopadding;
-static void addoutputsize (int len)
+static void addoutputsize(int len)
{
- u4 newsize,i;
- if (!dopadding) return;
+ uint32_t newsize;
+ int32_t i;
- newsize = ALIGN (outputsize, len);
+ if (!dopadding)
+ return;
+
+ newsize = MEMORY_ALIGN(outputsize, len);
- for (i=outputsize; i<newsize; i++) fprintf (file, " u1 pad%d\n",(int) i);
+ for (i = outputsize; i < newsize; i++)
+ fprintf(file, " uint8_t pad%d\n", (int) i);
+
outputsize = newsize;
}
-static u2 *printtype (u2 *desc)
+void printOverloadPart(utf *desc)
{
- u2 c;
+ char *utf_ptr=desc->text;
+ uint16_t c;
+
+ fprintf(file, "__");
- switch (*(desc++)) {
- case 'V': fprintf (file, "void");
- break;
+ while ((c = utf_nextu2(&utf_ptr)) != ')') {
+ switch (c) {
case 'I':
case 'S':
case 'B':
case 'C':
- case 'Z': addoutputsize (4);
- fprintf (file, "s4");
- break;
- case 'J': addoutputsize (8);
- fprintf (file, "s8");
- break;
- case 'F': addoutputsize (4);
- fprintf (file, "float");
- break;
- case 'D': addoutputsize (8);
- fprintf (file, "double");
- break;
+ case 'Z':
+ case 'J':
+ case 'F':
+ case 'D':
+ fprintf(file, "%c", (char) c);
+ break;
case '[':
- addoutputsize ( sizeof(java_arrayheader*) );
- switch (*(desc++)) {
- case 'I': fprintf (file, "java_intarray*"); break;
- case 'J': fprintf (file, "java_longarray*"); break;
- case 'Z': fprintf (file, "java_booleanarray*"); break;
- case 'B': fprintf (file, "java_bytearray*"); break;
- case 'S': fprintf (file, "java_shortarray*"); break;
- case 'C': fprintf (file, "java_chararray*"); break;
- case 'F': fprintf (file, "java_floatarray*"); break;
- case 'D': fprintf (file, "java_doublearray*"); break;
+ fprintf(file, "_3");
+ break;
+ case 'L':
+ putc('L', file);
+ while ((c = utf_nextu2(&utf_ptr)) != ';')
+ printIDpart(c);
+ fprintf(file, "_2");
+ break;
+ case '(':
+ break;
+ default:
+ log_text("invalid method descriptor");
+ assert(0);
+ }
+ }
+}
+
+static char *printtype(char *utf_ptr)
+{
+ uint16_t c;
+
+ switch (utf_nextu2(&utf_ptr)) {
+ case 'V':
+ fprintf(file, "void");
+ break;
+ case 'I':
+ case 'S':
+ case 'B':
+ case 'C':
+ case 'Z':
+ addoutputsize(4);
+ fprintf(file, "int32_t");
+ break;
+ case 'J':
+ addoutputsize(8);
+ fprintf(file, "int64_t");
+ break;
+ case 'F':
+ addoutputsize(4);
+ fprintf(file, "float");
+ break;
+ case 'D':
+ addoutputsize(8);
+ fprintf(file, "double");
+ break;
+ case '[':
+ addoutputsize ( sizeof(java_array_t*) );
+ switch (utf_nextu2(&utf_ptr)) {
+ case 'I': fprintf (file, "java_intarray_t*"); break;
+ case 'J': fprintf (file, "java_longarray_t*"); break;
+ case 'Z': fprintf (file, "java_booleanarray_t*"); break;
+ case 'B': fprintf (file, "java_bytearray_t*"); break;
+ case 'S': fprintf (file, "java_shortarray_t*"); break;
+ case 'C': fprintf (file, "java_chararray_t*"); break;
+ case 'F': fprintf (file, "java_floatarray_t*"); break;
+ case 'D': fprintf (file, "java_doublearray_t*"); break;
- case '[': fprintf (file, "java_arrayarray*");
- while ((*desc) == '[') desc++;
- if ((*desc)!='L') desc++;
- else while (*(desc++) != ';');
- break;
+ case '[': fprintf(file, "java_objectarray_t*");
+ while ((c = utf_nextu2(&utf_ptr)) == '[');
+ if (c == 'L')
+ while (utf_nextu2(&utf_ptr) != ';');
+ break;
- case 'L': fprintf (file, "java_objectarray*");
- while ( *(desc++) != ';');
- break;
- default: panic ("invalid type descriptor");
- }
+ case 'L': fprintf(file, "java_objectarray_t*");
+ while (utf_nextu2(&utf_ptr) != ';');
break;
+ default:
+ log_text("invalid type descriptor");
+ assert(0);
+ }
+ break;
- case 'L':
- addoutputsize ( sizeof(java_objectheader*));
- fprintf (file, "struct ");
- while ( (c = *(desc++)) != ';' ) printIDpart (c);
- fprintf (file, "*");
- break;
+ case 'L':
+ addoutputsize ( sizeof(java_object_t*));
+ fprintf (file, "struct ");
+ while ( (c = utf_nextu2(&utf_ptr)) != ';' ) printIDpart (c);
+ fprintf (file, "*");
+ break;
- default: panic ("Unknown type in field descriptor");
+ default:
+ log_text("Unknown type in field descriptor");
+ assert(0);
}
- return (desc);
+ return utf_ptr;
+}
+
+
+/***** determine the number of entries of a utf string in the ident chain *****/
+
+static int searchidentchain_utf(utf *ident)
+{
+ utf *u = chain_first(ident_chain); /* first element of list */
+ int count = 0;
+
+ while (u) {
+ if (u==ident) count++; /* string found */
+ u = chain_next(ident_chain); /* next element in list */
+ }
+
+ return count;
}
+/************** print structure for direct access to objects ******************/
-static void printfields (classinfo *c)
+static void printfields(classinfo *c)
{
- u4 i;
+ int32_t i;
fieldinfo *f;
+ int ident_count;
if (!c) {
- addoutputsize ( sizeof(java_objectheader) );
- fprintf (file, " java_objectheader header;\n");
+ addoutputsize(sizeof(java_object_t));
+ fprintf(file, " java_object_t header;\n");
return;
- }
+ }
- printfields (c->super);
+ printfields(c->super.cls);
- for (i=0; i<c->fieldscount; i++) {
+ for (i = 0; i < c->fieldscount; i++) {
f = &(c->fields[i]);
- if (! (f->flags & ACC_STATIC) ) {
- fprintf (file," ");
- printtype (f->descriptor->text);
- fprintf (file, " ");
- unicode_fprint (file, f->name);
- fprintf (file, ";\n");
- }
+ if (!(f->flags & ACC_STATIC)) {
+ fprintf(file, " ");
+ printtype(f->descriptor->text);
+ fprintf(file, " ");
+ utf_fprint_printable_ascii(file, f->name);
+
+ /* rename multiple fieldnames */
+ if ((ident_count = searchidentchain_utf(f->name)))
+ fprintf(file, "%d", ident_count - 1);
+ chain_addlast(ident_chain, f->name);
+
+ fprintf(file, ";\n");
}
+ }
}
+/***************** store prototype for native method in file ******************/
-
-static void remembermethods (classinfo *c)
+void printmethod(methodinfo *m)
{
- u2 i;
- methodinfo *m;
-
- for (i=0; i<c->methodscount; i++) {
- m = &(c->methods[i]);
-
- if (m->flags & ACC_NATIVE) {
- chain_addlast (nativechain, m);
- }
-
- }
-}
+ char *utf_ptr;
+ int32_t paramnum = 1;
+ /* search for return-type in descriptor */
+ utf_ptr = m->descriptor->text;
+ while (utf_nextu2(&utf_ptr) != ')');
+ /* create remarks */
+ fprintf(file, "\n/*\n * Class: ");
+ utf_fprint_printable_ascii(file, m->class->name);
+ fprintf(file, "\n * Method: ");
+ utf_fprint_printable_ascii(file, m->name);
+ fprintf(file, "\n * Signature: ");
+ utf_fprint_printable_ascii(file, m->descriptor);
+ fprintf(file, "\n */\n");
+ /* create prototype */
+ fprintf(file, "JNIEXPORT ");
+ printtype(utf_ptr);
+ fprintf(file, " JNICALL Java_");
+ printID(m->class->name);
-static void printmethod (methodinfo *m)
-{
- u2 *d;
- u2 paramnum=1;
-
- d = m->descriptor->text;
- while (*(d++) != ')');
-
- printtype (d);
- fprintf (file," ");
- printID (m->class->name);
- fprintf (file,"_");
- printID (m->name);
- fprintf (file," (");
-
- d = m->descriptor->text+1;
-
- if (! (m->flags & ACC_STATIC) ) {
- fprintf (file, "struct ");
- printID (m->class->name);
- fprintf (file, "* this");
- if ((*d)!=')') fprintf (file, ", ");
- }
-
- while ((*d)!=')') {
- d = printtype (d);
- fprintf (file, " par%d", paramnum++);
- if ((*d)!=')') fprintf (file, ", ");
- }
-
- fprintf (file, ");\n");
-}
-
+ chain_addlast(ident_chain, m->name);
-static void headers_generate (classinfo *c)
-{
- fprintf (file, "/* Structure information for class: ");
- unicode_fprint (file, c->name);
- fprintf (file, " */\n\n");
+ fprintf(file, "_");
+ printID(m->name);
- fprintf (file, "typedef struct ");
- printID (c->name);
- fprintf (file, " {\n");
-
- outputsize=0;
- dopadding=true;
- printfields (c);
+ /* ATTENTION: We use a dummy flag here. */
- fprintf (file, "} ");
- printID (c->name);
- fprintf (file, ";\n\n");
+ if (m->flags & ACC_NATIVELY_OVERLOADED)
+ printOverloadPart(m->descriptor);
- remembermethods (c);
+ fprintf(file, "(JNIEnv *env");
+ utf_ptr = m->descriptor->text + 1;
+
+ if (!(m->flags & ACC_STATIC)) {
+ fprintf(file, ", struct ");
+ printID(m->class->name);
+ fprintf(file, "* this");
- fprintf (file, "\n\n");
-}
-
-
+ } else {
+ fprintf(file, ", jclass clazz");
+ }
-static void printnativetableentry (methodinfo *m)
-{
- fprintf (file, " { \"");
- unicode_fprint (file, m->class->name);
- fprintf (file, "\",\n \"");
- unicode_fprint (file, m->name);
- fprintf (file, "\",\n \"");
- unicode_fprint (file, m->descriptor);
- fprintf (file, "\",\n ");
- if ( (m->flags & ACC_STATIC) !=0) fprintf (file, "true");
- else fprintf (file, "false");
- fprintf (file, ",\n ");
- fprintf (file, "(functionptr) ");
- printID (m->class->name);
- fprintf (file,"_");
- printID (m->name);
- fprintf (file,"\n },\n");
+ if ((*utf_ptr) != ')') fprintf(file, ", ");
+
+ while ((*utf_ptr) != ')') {
+ utf_ptr = printtype(utf_ptr);
+ fprintf(file, " par%d", paramnum++);
+ if ((*utf_ptr)!=')') fprintf(file, ", ");
+ }
+
+ fprintf(file, ");\n\n");
}
+/******* remove package-name in fully-qualified classname *********************/
-
-
-static void headers_start ()
-{
- file = fopen ("nativetypes.hh", "w");
- if (!file) panic ("Can not open file 'native.h' to store header information");
-
- fprintf (file, "/* Headerfile for native methods: nativetypes.hh */\n");
- fprintf (file, "/* This file is machine generated, don't edit it !*/\n\n");
-
- nativechain = chain_new ();
-}
-
-
-static void headers_finish ()
+void gen_header_filename(char *buffer, utf *u)
{
- methodinfo *m;
-
- fprintf (file, "\n/* Prototypes for native methods */\n\n");
-
- m = chain_first (nativechain);
- while (m) {
- dopadding=false;
- printmethod (m);
-
- m = chain_next (nativechain);
- }
-
-
- file = fopen ("nativetable.hh", "w");
- if (!file) panic ("Can not open file 'nativetable' to store native-link-table");
-
- fprintf (file, "/* Table of native methods: nativetables.hh */\n");
- fprintf (file, "/* This file is machine generated, don't edit it !*/\n\n");
-
- while ( (m = chain_first (nativechain)) != NULL) {
- chain_remove (nativechain);
-
- printnativetableentry (m);
-
+ int32_t i;
+
+ for (i = 0; i < utf_get_number_of_u2s(u); i++) {
+ if ((u->text[i] == '/') || (u->text[i] == '$')) {
+ buffer[i] = '_'; /* convert '$' and '/' to '_' */
+
+ } else {
+ buffer[i] = u->text[i];
}
-
- chain_free (nativechain);
- fclose (file);
+ }
+ buffer[utf_get_number_of_u2s(u)] = '\0';
}
+/* create headerfile for classes and store native methods in chain ************/
+void headerfile_generate(classinfo *c, char *opt_directory)
+{
+ char header_filename[1024] = "";
+ char classname[1024];
+ char uclassname[1024];
+ int32_t i;
+ methodinfo *m;
+ int32_t j;
+ methodinfo *m2;
+ bool nativelyoverloaded;
+ /* prevent compiler warnings */
-/******************** interne Funktion: print_usage ************************
-
-Gibt die richtige Aufrufsyntax des JAVA-Header-Generators auf stdout aus.
-
-***************************************************************************/
+ nativelyoverloaded = false;
-static void print_usage()
-{
- printf ("USAGE: jch class [class..]\n");
-}
+ /* open headerfile for class */
+ gen_header_filename(classname, c->name);
+ /* create chain for renaming fields */
+ ident_chain = chain_new();
+
+ if (opt_directory) {
+ sprintf(header_filename, "%s/%s.h", opt_directory, classname);
+ } else {
+ sprintf(header_filename, "%s.h", classname);
+ }
+ file = fopen(header_filename, "w");
+ if (!file) {
+ log_text("Can not open file to store header information");
+ assert(0);
+ }
-/************************** Funktion: main *******************************
+ fprintf(file, "/* This file is machine generated, don't edit it! */\n\n");
- Das Hauptprogramm.
- Wird vom System zu Programstart aufgerufen (eh klar).
-
-**************************************************************************/
+ /* convert to uppercase */
+ for (i = 0; classname[i]; i++) {
+ uclassname[i] = toupper(classname[i]);
+ }
+ uclassname[i] = '\0';
-int main(int argc, char **argv)
-{
- s4 i,a;
- char *cp;
- classinfo *topclass;
- void *dummy;
-
+ fprintf(file, "#ifndef _%s_H\n#define _%s_H\n\n", uclassname, uclassname);
- /********** interne (nur fuer main relevante Optionen) **************/
-
- char classpath[500] = "";
- u4 heapsize = 100000;
+ /* create structure for direct access to objects */
+ fprintf(file, "/* Structure information for class: ");
+ utf_fprint_printable_ascii(file, c->name);
+ fprintf(file, " */\n\n");
+ fprintf(file, "typedef struct ");
+ printID(c->name);
+ fprintf(file, " {\n");
+ outputsize = 0;
+ dopadding = true;
- /*********** Optionen, damit wirklich nur headers generiert werden ***/
-
- makeinitializations=false;
-
+ printfields(c);
- /************ Infos aus der Environment lesen ************************/
+ fprintf(file, "} ");
+ printID(c->name);
+ fprintf(file, ";\n\n");
- cp = getenv ("CLASSPATH");
- if (cp) {
- strcpy (classpath + strlen(classpath), ":");
- strcpy (classpath + strlen(classpath), cp);
- }
+ /* create chain for renaming overloaded methods */
+ chain_free(ident_chain);
+ ident_chain = chain_new();
- if (argc < 2) {
- print_usage ();
- exit(10);
- }
+ /* create method-prototypes */
+
+ /* find overloaded methods */
+ for (i = 0; i < c->methodscount; i++) {
+ m = &(c->methods[i]);
- /**************************** Programmstart *****************************/
+ if (!(m->flags & ACC_NATIVE))
+ continue;
- log_init (NULL);
- log_text ("Java - header-generator started");
-
-
- suck_init (classpath);
-
- unicode_init ();
- heap_init (heapsize, heapsize, &dummy);
- loader_init ();
+ /* We use a dummy flag here. */
+ if (!(m->flags & ACC_NATIVELY_OVERLOADED)) {
+ nativelyoverloaded = false;
- /*********************** JAVA-Klassen laden ***************************/
-
- headers_start ();
+ for (j = i + 1; j < c->methodscount; j++) {
+ m2 = &(c->methods[j]);
-
- for (a=1; a<argc; a++) {
- cp = argv[a];
- for (i=strlen(cp)-1; i>=0; i--) { /* Punkte im Klassennamen */
- if (cp[i]=='.') cp[i]='/'; /* auf slashes umbauen */
- }
+ if (!(m2->flags & ACC_NATIVE))
+ continue;
- topclass = loader_load ( unicode_new_char (cp) );
-
- headers_generate (topclass);
+ if (m->name == m2->name) {
+ m2->flags |= ACC_NATIVELY_OVERLOADED;
+ nativelyoverloaded = true;
+ }
+ }
}
-
- headers_finish ();
+ if (nativelyoverloaded == true)
+ m->flags |= ACC_NATIVELY_OVERLOADED;
+ }
+ for (i = 0; i < c->methodscount; i++) {
+ m = &(c->methods[i]);
- /************************ Freigeben aller Resourcen *******************/
+ if (m->flags & ACC_NATIVE)
+ printmethod(m);
+ }
- loader_close ();
- heap_close ();
- unicode_close (NULL);
-
+ chain_free(ident_chain);
- /* Endemeldung ausgeben und mit entsprechendem exit-Status terminieren */
+ fprintf(file, "#endif\n\n");
- log_text ("Java - header-generator stopped");
- log_cputime ();
- mem_usagelog(1);
-
- return 0;
+ fclose(file);
}
+/******** print classname, '$' used to seperate inner-class name ***********/
+
+void print_classname(classinfo *clazz)
+{
+ utf *u = clazz->name;
+ char *endpos = u->text + u->blength;
+ char *utf_ptr = u->text;
+ uint16_t c;
+
+ while (utf_ptr < endpos) {
+ if ((c = utf_nextu2(&utf_ptr)) == '_')
+ putc('$', file);
+ else
+ putc(c, file);
+ }
+}
+
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ * vim:noexpandtab:sw=4:ts=4:
+ */