* Patrik Torstensson (patrik.torstensson@labs2.com)
* Duncan Mak (duncan@ximian.com)
*
- * (C) 2001 Ximian, Inc.
+ * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
+ * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <string.h>
+#include "mono/utils/mono-membar.h"
#include <mono/metadata/string-icalls.h>
#include <mono/metadata/class-internals.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/object.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/debug-helpers.h>
-
-/* Internal helper methods */
-
-static gboolean
-string_icall_is_in_array (MonoArray *chars, gint32 arraylength, gunichar2 chr);
+#include <mono/metadata/profiler.h>
+#include <mono/metadata/profiler-private.h>
+#include <mono/metadata/gc-internal.h>
/* This function is redirected to String.CreateString ()
by mono_marshal_get_native_wrapper () */
g_assert_not_reached ();
}
-MonoString *
-ves_icall_System_String_InternalJoin (MonoString *separator, MonoArray * value, gint32 sindex, gint32 count)
-{
- MonoString * ret;
- MonoString *current;
- gint32 length;
- gint32 pos;
- gint32 insertlen;
- gint32 destpos;
- gint32 srclen;
- gunichar2 *insert;
- gunichar2 *dest;
- gunichar2 *src;
-
- MONO_ARCH_SAVE_REGS;
-
- insert = mono_string_chars(separator);
- insertlen = mono_string_length(separator);
-
- length = 0;
- for (pos = sindex; pos != sindex + count; pos++) {
- current = mono_array_get (value, MonoString *, pos);
- if (current != NULL)
- length += mono_string_length (current);
-
- if (pos < sindex + count - 1)
- length += insertlen;
- }
-
- ret = mono_string_new_size( mono_domain_get (), length);
- dest = mono_string_chars(ret);
- destpos = 0;
-
- for (pos = sindex; pos != sindex + count; pos++) {
- current = mono_array_get (value, MonoString *, pos);
- if (current != NULL) {
- src = mono_string_chars (current);
- srclen = mono_string_length (current);
-
- memcpy (dest + destpos, src, srclen * sizeof(gunichar2));
- destpos += srclen;
- }
-
- if (pos < sindex + count - 1) {
- memcpy(dest + destpos, insert, insertlen * sizeof(gunichar2));
- destpos += insertlen;
- }
- }
-
- return ret;
-}
-
-void
-ves_icall_System_String_InternalCopyTo (MonoString *me, gint32 sindex, MonoArray *dest, gint32 dindex, gint32 count)
-{
- gunichar2 *destptr = (gunichar2 *) mono_array_addr(dest, gunichar2, dindex);
- gunichar2 *src = mono_string_chars(me);
-
- MONO_ARCH_SAVE_REGS;
-
- memcpy(destptr, src + sindex, sizeof(gunichar2) * count);
-}
-
-/* System.StringSplitOptions */
-typedef enum {
- STRINGSPLITOPTIONS_NONE = 0,
- STRINGSPLITOPTIONS_REMOVE_EMPTY_ENTRIES = 1
-} StringSplitOptions;
-
-MonoArray *
-ves_icall_System_String_InternalSplit (MonoString *me, MonoArray *separator, gint32 count, gint32 options)
-{
- MonoString * tmpstr;
- MonoArray * retarr;
- gunichar2 *src;
- gint32 arrsize, srcsize, splitsize;
- gint32 i, lastpos, arrpos;
- gint32 tmpstrsize;
- gint32 remempty;
- gint32 flag;
- gunichar2 *tmpstrptr;
-
- remempty = options & STRINGSPLITOPTIONS_REMOVE_EMPTY_ENTRIES;
- src = mono_string_chars (me);
- srcsize = mono_string_length (me);
- arrsize = mono_array_length (separator);
-
- splitsize = 1;
- /* Count the number of elements we will return. Note that this operation
- * guarantees that we will return exactly splitsize elements, and we will
- * have enough data to fill each. This allows us to skip some checks later on.
- */
- if (remempty == 0) {
- for (i = 0; i != srcsize && splitsize < count; i++) {
- if (string_icall_is_in_array (separator, arrsize, src [i]))
- splitsize++;
- }
- } else if (count > 1) {
- /* Require pattern "Nondelim + Delim + Nondelim" to increment counter.
- * Lastpos != 0 means first nondelim found.
- * Flag = 0 means last char was delim.
- * Efficient, though perhaps confusing.
- */
- lastpos = 0;
- flag = 0;
- for (i = 0; i != srcsize && splitsize < count; i++) {
- if (string_icall_is_in_array (separator, arrsize, src [i])) {
- flag = 0;
- } else if (flag == 0) {
- if (lastpos == 1)
- splitsize++;
- flag = 1;
- lastpos = 1;
- }
- }
-
- /* Nothing but separators */
- if (lastpos == 0) {
- retarr = mono_array_new (mono_domain_get (), mono_get_string_class (), 0);
- return retarr;
- }
- }
-
- /* if no split chars found return the string */
- if (splitsize == 1) {
- if (remempty == 0 || count == 1) {
- /* Copy the whole string */
- retarr = mono_array_new (mono_domain_get (), mono_get_string_class (), 1);
- mono_array_setref (retarr, 0, me);
- } else {
- /* otherwise we have to filter out leading & trailing delims */
-
- /* find first non-delim char */
- for (; srcsize != 0; srcsize--, src++) {
- if (!string_icall_is_in_array (separator, arrsize, src [0]))
- break;
- }
- /* find last non-delim char */
- for (; srcsize != 0; srcsize--) {
- if (!string_icall_is_in_array (separator, arrsize, src [srcsize - 1]))
- break;
- }
- tmpstr = mono_string_new_size (mono_domain_get (), srcsize);
- tmpstrptr = mono_string_chars (tmpstr);
-
- memcpy (tmpstrptr, src, srcsize * sizeof (gunichar2));
- retarr = mono_array_new (mono_domain_get (), mono_get_string_class (), 1);
- mono_array_setref (retarr, 0, tmpstr);
- }
- return retarr;
- }
-
- lastpos = 0;
- arrpos = 0;
-
- retarr = mono_array_new (mono_domain_get (), mono_get_string_class (), splitsize);
-
- for (i = 0; i != srcsize && arrpos != splitsize; i++) {
- if (string_icall_is_in_array (separator, arrsize, src [i])) {
-
- if (lastpos != i || remempty == 0) {
- tmpstrsize = i - lastpos;
- tmpstr = mono_string_new_size (mono_domain_get (), tmpstrsize);
- tmpstrptr = mono_string_chars (tmpstr);
-
- memcpy (tmpstrptr, src + lastpos, tmpstrsize * sizeof (gunichar2));
- mono_array_setref (retarr, arrpos, tmpstr);
- arrpos++;
-
- if (arrpos == splitsize - 1) {
- /* Shortcut the last array element */
-
- lastpos = i + 1;
- if (remempty != 0) {
- /* Search for non-delim starting char (guaranteed to find one) Note that loop
- * condition is only there for safety. It will never actually terminate the loop. */
- for (; lastpos != srcsize ; lastpos++) {
- if (!string_icall_is_in_array (separator, arrsize, src [lastpos]))
- break;
- }
- if (count > splitsize) {
- /* Since we have fewer results than our limit, we must remove
- * trailing delimiters as well.
- */
- for (; srcsize != lastpos + 1 ; srcsize--) {
- if (!string_icall_is_in_array (separator, arrsize, src [srcsize - 1]))
- break;
- }
- }
- }
-
- tmpstrsize = srcsize - lastpos;
- tmpstr = mono_string_new_size (mono_domain_get (), tmpstrsize);
- tmpstrptr = mono_string_chars (tmpstr);
-
- memcpy (tmpstrptr, src + lastpos, tmpstrsize * sizeof (gunichar2));
- mono_array_setref (retarr, arrpos, tmpstr);
-
- /* Loop will ALWAYS end here. Test criteria in the FOR loop is technically unnecessary. */
- break;
- }
- }
- lastpos = i + 1;
- }
- }
-
- return retarr;
-}
-
-static gboolean
-string_icall_is_in_array (MonoArray *chars, gint32 arraylength, gunichar2 chr)
-{
- gunichar2 cmpchar;
- gint32 arrpos;
-
- for (arrpos = 0; arrpos != arraylength; arrpos++) {
- cmpchar = mono_array_get(chars, gunichar2, arrpos);
- if (cmpchar == chr)
- return TRUE;
- }
-
- return FALSE;
-}
-
-MonoString *
-ves_icall_System_String_InternalTrim (MonoString *me, MonoArray *chars, gint32 typ)
-{
- MonoString * ret;
- gunichar2 *src, *dest;
- gint32 srclen, newlen, arrlen;
- gint32 i, lenfirst, lenlast;
-
- MONO_ARCH_SAVE_REGS;
-
- srclen = mono_string_length(me);
- src = mono_string_chars(me);
- arrlen = mono_array_length(chars);
-
- lenfirst = 0;
- lenlast = 0;
-
- if (0 == typ || 1 == typ) {
- for (i = 0; i != srclen; i++) {
- if (string_icall_is_in_array(chars, arrlen, src[i]))
- lenfirst++;
- else
- break;
- }
- }
-
- if (0 == typ || 2 == typ) {
- for (i = srclen - 1; i > lenfirst - 1; i--) {
- if (string_icall_is_in_array(chars, arrlen, src[i]))
- lenlast++;
- else
- break;
- }
- }
-
- newlen = srclen - lenfirst - lenlast;
- if (newlen == srclen)
- return me;
-
- ret = mono_string_new_size( mono_domain_get (), newlen);
- dest = mono_string_chars(ret);
-
- memcpy(dest, src + lenfirst, newlen *sizeof(gunichar2));
-
- return ret;
-}
-
-gint32
-ves_icall_System_String_InternalLastIndexOfAny (MonoString *me, MonoArray *anyOf, gint32 sindex, gint32 count)
-{
- gint32 pos;
- gint32 loop;
- gint32 arraysize;
- gunichar2 *src;
-
- MONO_ARCH_SAVE_REGS;
-
- arraysize = mono_array_length(anyOf);
- src = mono_string_chars(me);
-
- for (pos = sindex; pos > sindex - count; pos--) {
- for (loop = 0; loop != arraysize; loop++)
- if ( src [pos] == mono_array_get(anyOf, gunichar2, loop) )
- return pos;
- }
-
- return -1;
-}
-
-MonoString *
-ves_icall_System_String_InternalPad (MonoString *me, gint32 width, gunichar2 chr, MonoBoolean right)
-{
- MonoString * ret;
- gunichar2 *src;
- gunichar2 *dest;
- gint32 fillcount;
- gint32 srclen;
- gint32 i;
-
- MONO_ARCH_SAVE_REGS;
-
- srclen = mono_string_length(me);
- src = mono_string_chars(me);
-
- ret = mono_string_new_size( mono_domain_get (), width);
- dest = mono_string_chars(ret);
- fillcount = width - srclen;
-
- if (right) {
- memcpy(dest, src, srclen * sizeof(gunichar2));
- for (i = srclen; i != width; i++)
- dest[i] = chr;
-
- return ret;
- }
-
- /* left fill */
- for (i = 0; i != fillcount; i++)
- dest[i] = chr;
-
- memcpy(dest + fillcount, src, srclen * sizeof(gunichar2));
-
- return ret;
-}
-
MonoString *
ves_icall_System_String_InternalAllocateStr (gint32 length)
{
- MONO_ARCH_SAVE_REGS;
-
return mono_string_new_size(mono_domain_get (), length);
}
-void
-ves_icall_System_String_InternalStrcpy_Str (MonoString *dest, gint32 destPos, MonoString *src)
-{
- gunichar2 *srcptr;
- gunichar2 *destptr;
-
- MONO_ARCH_SAVE_REGS;
-
- srcptr = mono_string_chars (src);
- destptr = mono_string_chars (dest);
-
- g_memmove (destptr + destPos, srcptr, mono_string_length(src) * sizeof(gunichar2));
-}
-
-void
-ves_icall_System_String_InternalStrcpy_StrN (MonoString *dest, gint32 destPos, MonoString *src, gint32 startPos, gint32 count)
-{
- gunichar2 *srcptr;
- gunichar2 *destptr;
-
- MONO_ARCH_SAVE_REGS;
-
- srcptr = mono_string_chars (src);
- destptr = mono_string_chars (dest);
- g_memmove (destptr + destPos, srcptr + startPos, count * sizeof(gunichar2));
-}
-
-void
-ves_icall_System_String_InternalStrcpy_Chars (MonoString *dest, gint32 destPos, MonoArray *src)
-{
- gunichar2 *srcptr;
- gunichar2 *destptr;
-
- MONO_ARCH_SAVE_REGS;
-
- srcptr = mono_array_addr (src, gunichar2, 0);
- destptr = mono_string_chars (dest);
-
- g_memmove (destptr + destPos, srcptr, mono_array_length (src) * sizeof(gunichar2));
-}
-
-void
-ves_icall_System_String_InternalStrcpy_CharsN (MonoString *dest, gint32 destPos, MonoArray *src, gint32 startPos, gint32 count)
-{
- gunichar2 *srcptr;
- gunichar2 *destptr;
-
- MONO_ARCH_SAVE_REGS;
-
- srcptr = mono_array_addr (src, gunichar2, 0);
- destptr = mono_string_chars (dest);
-
- g_memmove (destptr + destPos, srcptr + startPos, count * sizeof(gunichar2));
-}
-
MonoString *
ves_icall_System_String_InternalIntern (MonoString *str)
{
+ MonoString *res;
MONO_ARCH_SAVE_REGS;
- return mono_string_intern(str);
+ res = mono_string_intern(str);
+ if (!res)
+ mono_raise_exception (mono_domain_get ()->out_of_memory_ex);
+ return res;
}
MonoString *
return mono_string_is_interned(str);
}
-gunichar2
-ves_icall_System_String_get_Chars (MonoString *me, gint32 idx)
+int
+ves_icall_System_String_GetLOSLimit (void)
{
- MONO_ARCH_SAVE_REGS;
+ int limit = mono_gc_get_los_limit ();
- if ((idx < 0) || (idx >= mono_string_length (me)))
- mono_raise_exception (mono_get_exception_index_out_of_range ());
- return mono_string_chars(me)[idx];
+ return (limit - 2 - sizeof (MonoString)) / 2;
}
-
projects / mono.git / blobdiff