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-rw-r--r--erts/emulator/beam/beam_load.c10
-rw-r--r--erts/emulator/beam/beam_ranges.c6
-rw-r--r--erts/emulator/beam/big.c15
-rw-r--r--erts/emulator/beam/binary.c63
-rw-r--r--erts/emulator/beam/erl_bif_info.c13
-rw-r--r--erts/emulator/beam/erl_io_queue.c31
-rw-r--r--erts/emulator/beam/erl_nif.c124
-rw-r--r--erts/emulator/beam/erl_unicode.c152
-rw-r--r--erts/emulator/beam/erl_unicode.h5
-rw-r--r--erts/emulator/beam/global.h1
10 files changed, 274 insertions, 146 deletions
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index adf8779f11..a4e226d459 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2017. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -40,6 +40,7 @@
#include "erl_zlib.h"
#include "erl_map.h"
#include "erl_process_dict.h"
+#include "erl_unicode.h"
#ifdef HIPE
#include "hipe_bif0.h"
@@ -1792,7 +1793,7 @@ read_line_table(LoaderState* stp)
GetInt(stp, 2, n);
GetString(stp, fname, n);
- stp->fname[i] = erts_atom_put(fname, n, ERTS_ATOM_ENC_LATIN1, 1);
+ stp->fname[i] = erts_atom_put(fname, n, ERTS_ATOM_ENC_UTF8, 1);
}
}
@@ -5891,8 +5892,7 @@ erts_build_mfa_item(FunctionInfo* fi, Eterm* hp, Eterm args, Eterm* mfa_p)
file_term = buf_to_intlist(&hp, ".erl", 4, NIL);
file_term = buf_to_intlist(&hp, (char*)ap->name, ap->len, file_term);
} else {
- Atom* ap = atom_tab(atom_val((fi->fname_ptr)[file-1]));
- file_term = buf_to_intlist(&hp, (char*)ap->name, ap->len, NIL);
+ file_term = erts_atom_to_string(&hp, (fi->fname_ptr)[file-1]);
}
tuple = TUPLE2(hp, am_line, make_small(line));
@@ -6621,6 +6621,8 @@ int erts_commit_hipe_patch_load(Eterm hipe_magic_bin)
hipe_stp->new_hipe_refs = NULL;
hipe_stp->new_hipe_sdesc = NULL;
+ hipe_redirect_to_module(modp);
+
return 1;
}
diff --git a/erts/emulator/beam/beam_ranges.c b/erts/emulator/beam/beam_ranges.c
index fac4289271..c7b17d58f3 100644
--- a/erts/emulator/beam/beam_ranges.c
+++ b/erts/emulator/beam/beam_ranges.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2012-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2012-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@
#include "erl_vm.h"
#include "global.h"
#include "beam_load.h"
+#include "erl_unicode.h"
typedef struct {
BeamInstr* start; /* Pointer to start of module. */
@@ -341,8 +342,7 @@ lookup_loc(FunctionInfo* fi, const BeamInstr* pc,
Atom* mod_atom = atom_tab(atom_val(fi->mfa->module));
fi->needed += 2*(mod_atom->len+4);
} else {
- Atom* ap = atom_tab(atom_val((fi->fname_ptr)[file-1]));
- fi->needed += 2*ap->len;
+ fi->needed += 2*erts_atom_to_string_length((fi->fname_ptr)[file-1]);
}
return;
} else {
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index 5eaf262cd8..c5cb268f09 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -2549,12 +2549,17 @@ int term_equals_2pow32(Eterm x)
}
}
+static ERTS_INLINE int c2int_is_valid_char(byte ch, int base) {
+ if (base <= 10)
+ return (ch >= '0' && ch < ('0' + base));
+ else
+ return (ch >= '0' && ch <= '9')
+ || (ch >= 'A' && ch < ('A' + base - 10))
+ || (ch >= 'a' && ch < ('a' + base - 10));
+}
+
static ERTS_INLINE int c2int_is_invalid_char(byte ch, int base) {
- return (ch < '0'
- || (ch > ('0' + base - 1)
- && !(base > 10
- && ((ch >= 'a' && ch < ('a' + base - 10))
- || (ch >= 'A' && ch < ('A' + base - 10))))));
+ return !c2int_is_valid_char(ch, base);
}
static ERTS_INLINE byte c2int_digit_from_base(byte ch) {
diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c
index cf7dcb13d5..95d324d2c1 100644
--- a/erts/emulator/beam/binary.c
+++ b/erts/emulator/beam/binary.c
@@ -60,14 +60,36 @@ erts_init_binary(void)
}
+static ERTS_INLINE
+Eterm build_proc_bin(ErlOffHeap* ohp, Eterm* hp, Binary* bptr)
+{
+ ProcBin* pb = (ProcBin *) hp;
+ pb->thing_word = HEADER_PROC_BIN;
+ pb->size = bptr->orig_size;
+ pb->next = ohp->first;
+ ohp->first = (struct erl_off_heap_header*)pb;
+ pb->val = bptr;
+ pb->bytes = (byte*) bptr->orig_bytes;
+ pb->flags = 0;
+ OH_OVERHEAD(ohp, pb->size / sizeof(Eterm));
+
+ return make_binary(pb);
+}
+
+/** @brief Initiate a ProcBin for a full Binary.
+ * @param hp must point to PROC_BIN_SIZE available heap words.
+ */
+Eterm erts_build_proc_bin(ErlOffHeap* ohp, Eterm* hp, Binary* bptr)
+{
+ return build_proc_bin(ohp, hp, bptr);
+}
+
/*
* Create a brand new binary from scratch.
*/
-
Eterm
new_binary(Process *p, byte *buf, Uint len)
{
- ProcBin* pb;
Binary* bptr;
if (len <= ERL_ONHEAP_BIN_LIMIT) {
@@ -88,23 +110,7 @@ new_binary(Process *p, byte *buf, Uint len)
sys_memcpy(bptr->orig_bytes, buf, len);
}
- /*
- * Now allocate the ProcBin on the heap.
- */
- pb = (ProcBin *) HAlloc(p, PROC_BIN_SIZE);
- pb->thing_word = HEADER_PROC_BIN;
- pb->size = len;
- pb->next = MSO(p).first;
- MSO(p).first = (struct erl_off_heap_header*)pb;
- pb->val = bptr;
- pb->bytes = (byte*) bptr->orig_bytes;
- pb->flags = 0;
-
- /*
- * Miscellaneous updates. Return the tagged binary.
- */
- OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm));
- return make_binary(pb);
+ return build_proc_bin(&MSO(p), HAlloc(p, PROC_BIN_SIZE), bptr);
}
/*
@@ -113,7 +119,6 @@ new_binary(Process *p, byte *buf, Uint len)
Eterm erts_new_mso_binary(Process *p, byte *buf, Uint len)
{
- ProcBin* pb;
Binary* bptr;
/*
@@ -124,23 +129,7 @@ Eterm erts_new_mso_binary(Process *p, byte *buf, Uint len)
sys_memcpy(bptr->orig_bytes, buf, len);
}
- /*
- * Now allocate the ProcBin on the heap.
- */
- pb = (ProcBin *) HAlloc(p, PROC_BIN_SIZE);
- pb->thing_word = HEADER_PROC_BIN;
- pb->size = len;
- pb->next = MSO(p).first;
- MSO(p).first = (struct erl_off_heap_header*)pb;
- pb->val = bptr;
- pb->bytes = (byte*) bptr->orig_bytes;
- pb->flags = 0;
-
- /*
- * Miscellaneous updates. Return the tagged binary.
- */
- OH_OVERHEAD(&(MSO(p)), pb->size / sizeof(Eterm));
- return make_binary(pb);
+ return build_proc_bin(&MSO(p), HAlloc(p, PROC_BIN_SIZE), bptr);
}
/*
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 80adca0072..4050fb6146 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -4447,6 +4447,19 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
BIF_RET(res);
}
}
+ else if (ERTS_IS_ATOM_STR("binary", BIF_ARG_1)) {
+ Sint64 size;
+ if (term_to_Sint64(BIF_ARG_2, &size)) {
+ Binary* refbin = erts_bin_drv_alloc_fnf(size);
+ if (!refbin)
+ BIF_RET(am_false);
+ sys_memset(refbin->orig_bytes, 0, size);
+ BIF_RET(erts_build_proc_bin(&MSO(BIF_P),
+ HAlloc(BIF_P, PROC_BIN_SIZE),
+ refbin));
+ }
+ }
+
}
BIF_ERROR(BIF_P, BADARG);
diff --git a/erts/emulator/beam/erl_io_queue.c b/erts/emulator/beam/erl_io_queue.c
index 945ee1b6b5..eb156cc578 100644
--- a/erts/emulator/beam/erl_io_queue.c
+++ b/erts/emulator/beam/erl_io_queue.c
@@ -801,12 +801,11 @@ static Eterm iol2v_make_sub_bin(iol2v_state_t *state, Eterm bin_term,
ERTS_GET_REAL_BIN(bin_term, orig_pb_term,
byte_offset, bit_offset, bit_size);
- (void)bit_offset;
- (void)bit_size;
+ ASSERT(bit_size == 0);
sb->thing_word = HEADER_SUB_BIN;
+ sb->bitoffs = bit_offset;
sb->bitsize = 0;
- sb->bitoffs = 0;
sb->orig = orig_pb_term;
sb->is_writable = 0;
@@ -984,7 +983,7 @@ static int iol2v_append_binary(iol2v_state_t *state, Eterm bin_term) {
parent_header = binary_val(parent_binary);
binary_size = binary_size(bin_term);
- if (bit_offset != 0 || bit_size != 0) {
+ if (bit_size != 0) {
return 0;
} else if (binary_size == 0) {
state->bytereds_spent += 1;
@@ -1026,8 +1025,16 @@ static int iol2v_append_binary(iol2v_state_t *state, Eterm bin_term) {
* then just copy it into the accumulator. */
iol2v_expand_acc(state, binary_size);
- sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
- binary_data, binary_size);
+ if (ERTS_LIKELY(bit_offset == 0)) {
+ sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
+ binary_data, binary_size);
+ } else {
+ ASSERT(binary_size <= ERTS_UWORD_MAX / 8);
+
+ erts_copy_bits(binary_data, bit_offset, 1,
+ (byte*)&(state->acc)->orig_bytes[state->acc_size], 0, 1,
+ binary_size * 8);
+ }
state->acc_size += binary_size;
} else {
@@ -1038,8 +1045,16 @@ static int iol2v_append_binary(iol2v_state_t *state, Eterm bin_term) {
iol2v_expand_acc(state, spill);
- sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
- binary_data, spill);
+ if (ERTS_LIKELY(bit_offset == 0)) {
+ sys_memcpy(&(state->acc)->orig_bytes[state->acc_size],
+ binary_data, spill);
+ } else {
+ ASSERT(binary_size <= ERTS_UWORD_MAX / 8);
+
+ erts_copy_bits(binary_data, bit_offset, 1,
+ (byte*)&(state->acc)->orig_bytes[state->acc_size], 0, 1,
+ spill * 8);
+ }
state->acc_size += spill;
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index f67b67325d..b96db5d054 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -3396,8 +3396,8 @@ typedef struct {
Eterm sublist_start;
Eterm sublist_end;
- UWord offheap_size;
- UWord onheap_size;
+ UWord referenced_size;
+ UWord copied_size;
UWord iovec_len;
} iovec_slice_t;
@@ -3407,16 +3407,16 @@ static int examine_iovec_term(Eterm list, UWord max_length, iovec_slice_t *resul
result->sublist_start = list;
result->sublist_length = 0;
- result->offheap_size = 0;
- result->onheap_size = 0;
+ result->referenced_size = 0;
+ result->copied_size = 0;
result->iovec_len = 0;
lookahead = result->sublist_start;
while (is_list(lookahead)) {
- Eterm *binary_header, binary;
+ UWord byte_size;
+ Eterm binary;
Eterm *cell;
- UWord size;
cell = list_val(lookahead);
binary = CAR(cell);
@@ -3425,35 +3425,36 @@ static int examine_iovec_term(Eterm list, UWord max_length, iovec_slice_t *resul
return 0;
}
- size = binary_size(binary);
- binary_header = binary_val(binary);
+ byte_size = binary_size(binary);
- if (size > 0) {
- /* If we're a sub-binary we'll need to check our underlying binary
- * to determine whether we're on-heap or not. */
- if (thing_subtag(*binary_header) == SUB_BINARY_SUBTAG) {
- ErlSubBin *sb = (ErlSubBin*)binary_header;
+ if (byte_size > 0) {
+ int bit_offset, bit_size;
+ Eterm parent_binary;
+ UWord byte_offset;
- /* Reject bitstrings */
- if((sb->bitoffs + sb->bitsize) > 0) {
- return 0;
- }
+ int requires_copying;
- ASSERT(size <= binary_size(sb->orig));
- binary_header = binary_val(sb->orig);
+ ERTS_GET_REAL_BIN(binary, parent_binary, byte_offset,
+ bit_offset, bit_size);
+
+ (void)byte_offset;
+
+ if (bit_size != 0) {
+ return 0;
}
- if (thing_subtag(*binary_header) == HEAP_BINARY_SUBTAG) {
- ASSERT(size <= ERL_ONHEAP_BIN_LIMIT);
+ /* If we're unaligned or an on-heap binary we'll need to copy
+ * ourselves over to a temporary buffer. */
+ requires_copying = (bit_offset != 0) ||
+ thing_subtag(*binary_val(parent_binary)) == HEAP_BINARY_SUBTAG;
- result->iovec_len += 1;
- result->onheap_size += size;
+ if (requires_copying) {
+ result->copied_size += byte_size;
} else {
- ASSERT(thing_subtag(*binary_header) == REFC_BINARY_SUBTAG);
-
- result->iovec_len += 1 + size / MAX_SYSIOVEC_IOVLEN;
- result->offheap_size += size;
+ result->referenced_size += byte_size;
}
+
+ result->iovec_len += 1 + byte_size / MAX_SYSIOVEC_IOVLEN;
}
result->sublist_length += 1;
@@ -3473,7 +3474,9 @@ static int examine_iovec_term(Eterm list, UWord max_length, iovec_slice_t *resul
return 1;
}
-static void inspect_raw_binary_data(Eterm binary, ErlNifBinary *result) {
+static void marshal_iovec_binary(Eterm binary, ErlNifBinary *copy_buffer,
+ UWord *copy_offset, ErlNifBinary *result) {
+
Eterm *parent_header;
Eterm parent_binary;
@@ -3484,6 +3487,8 @@ static void inspect_raw_binary_data(Eterm binary, ErlNifBinary *result) {
ERTS_GET_REAL_BIN(binary, parent_binary, byte_offset, bit_offset, bit_size);
+ ASSERT(bit_size == 0);
+
parent_header = binary_val(parent_binary);
result->size = binary_size(binary);
@@ -3510,24 +3515,50 @@ static void inspect_raw_binary_data(Eterm binary, ErlNifBinary *result) {
result->data = &((unsigned char*)&hb->data)[byte_offset];
result->ref_bin = NULL;
}
+
+ /* If this isn't an *aligned* refc binary, copy its contents to the buffer
+ * and reference that instead. */
+
+ if (result->ref_bin == NULL || bit_offset != 0) {
+ ASSERT(result->size <= (copy_buffer->size - *copy_offset));
+
+ if (bit_offset == 0) {
+ sys_memcpy(&copy_buffer->data[*copy_offset],
+ result->data, result->size);
+ } else {
+ erts_copy_bits(result->data, bit_offset, 1,
+ (byte*)&copy_buffer->data[*copy_offset], 0, 1,
+ result->size * 8);
+ }
+
+ result->data = &copy_buffer->data[*copy_offset];
+ result->ref_bin = copy_buffer->ref_bin;
+
+ *copy_offset += result->size;
+ }
}
static int fill_iovec_with_slice(ErlNifEnv *env,
iovec_slice_t *slice,
ErlNifIOVec *iovec) {
- UWord onheap_offset, iovec_idx;
- ErlNifBinary onheap_data;
+ UWord copy_offset, iovec_idx;
+ ErlNifBinary copy_buffer;
Eterm sublist_iterator;
- /* Set up a common refc binary for all on-heap binaries. */
- if (slice->onheap_size > 0) {
- if (!enif_alloc_binary(slice->onheap_size, &onheap_data)) {
+ /* Set up a common refc binary for all on-heap and unaligned binaries. */
+ if (slice->copied_size > 0) {
+ if (!enif_alloc_binary(slice->copied_size, &copy_buffer)) {
return 0;
}
+ } else {
+#ifdef DEBUG
+ copy_buffer.data = NULL;
+ copy_buffer.size = 0;
+#endif
}
sublist_iterator = slice->sublist_start;
- onheap_offset = 0;
+ copy_offset = 0;
iovec_idx = 0;
while (sublist_iterator != slice->sublist_end) {
@@ -3535,20 +3566,7 @@ static int fill_iovec_with_slice(ErlNifEnv *env,
Eterm *cell;
cell = list_val(sublist_iterator);
- inspect_raw_binary_data(CAR(cell), &raw_data);
-
- /* If this isn't a refc binary, copy its contents to the onheap buffer
- * and reference that instead. */
- if (raw_data.size > 0 && raw_data.ref_bin == NULL) {
- ASSERT(onheap_offset < onheap_data.size);
- ASSERT(slice->onheap_size > 0);
-
- sys_memcpy(&onheap_data.data[onheap_offset],
- raw_data.data, raw_data.size);
-
- raw_data.data = &onheap_data.data[onheap_offset];
- raw_data.ref_bin = onheap_data.ref_bin;
- }
+ marshal_iovec_binary(CAR(cell), &copy_buffer, &copy_offset, &raw_data);
while (raw_data.size > 0) {
UWord chunk_len = MIN(raw_data.size, MAX_SYSIOVEC_IOVLEN);
@@ -3579,16 +3597,16 @@ static int fill_iovec_with_slice(ErlNifEnv *env,
erts_refc_inc(&refc_binary->intern.refc, 1);
}
- if (slice->onheap_size > 0) {
+ if (slice->copied_size > 0) {
/* Transfer ownership to the iovec; we've taken references to it in
* the above loop. */
- enif_release_binary(&onheap_data);
+ enif_release_binary(&copy_buffer);
}
} else {
- if (slice->onheap_size > 0) {
+ if (slice->copied_size > 0) {
/* Attach the binary to our environment and let the GC take care of
* it after returning. */
- enif_make_binary(env, &onheap_data);
+ enif_make_binary(env, &copy_buffer);
}
}
@@ -3635,7 +3653,7 @@ static int create_iovec_from_slice(ErlNifEnv *env,
iovec->flags = 0;
}
- iovec->size = slice->offheap_size + slice->onheap_size;
+ iovec->size = slice->referenced_size + slice->copied_size;
iovec->iovcnt = slice->iovec_len;
if(!fill_iovec_with_slice(env, slice, iovec)) {
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index 2d1d1443a7..c5fc6f9815 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2008-2017. All Rights Reserved.
+ * Copyright Ericsson AB 2008-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -1158,14 +1158,15 @@ static ERTS_INLINE int
analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left,
Sint *num_latin1_chars, Uint max_chars)
{
+ int res = ERTS_UTF8_OK;
Uint latin1_count;
int is_latin1;
+ Uint nchars = 0;
*err_pos = source;
if (num_latin1_chars) {
is_latin1 = 1;
latin1_count = 0;
}
- *num_chars = 0;
while (size) {
if (((*source) & ((byte) 0x80)) == 0) {
source++;
@@ -1174,11 +1175,13 @@ analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left
latin1_count++;
} else if (((*source) & ((byte) 0xE0)) == 0xC0) {
if (size < 2) {
- return ERTS_UTF8_INCOMPLETE;
+ res = ERTS_UTF8_INCOMPLETE;
+ break;
}
if (((source[1] & ((byte) 0xC0)) != 0x80) ||
((*source) < 0xC2) /* overlong */) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
if (num_latin1_chars) {
latin1_count++;
@@ -1189,16 +1192,19 @@ analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left
size -= 2;
} else if (((*source) & ((byte) 0xF0)) == 0xE0) {
if (size < 3) {
- return ERTS_UTF8_INCOMPLETE;
+ res = ERTS_UTF8_INCOMPLETE;
+ break;
}
if (((source[1] & ((byte) 0xC0)) != 0x80) ||
((source[2] & ((byte) 0xC0)) != 0x80) ||
(((*source) == 0xE0) && (source[1] < 0xA0)) /* overlong */ ) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
if ((((*source) & ((byte) 0xF)) == 0xD) &&
((source[1] & 0x20) != 0)) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
source += 3;
size -= 3;
@@ -1206,37 +1212,47 @@ analyze_utf8(byte *source, Uint size, byte **err_pos, Uint *num_chars, int *left
is_latin1 = 0;
} else if (((*source) & ((byte) 0xF8)) == 0xF0) {
if (size < 4) {
- return ERTS_UTF8_INCOMPLETE;
+ res = ERTS_UTF8_INCOMPLETE;
+ break;
}
if (((source[1] & ((byte) 0xC0)) != 0x80) ||
((source[2] & ((byte) 0xC0)) != 0x80) ||
((source[3] & ((byte) 0xC0)) != 0x80) ||
(((*source) == 0xF0) && (source[1] < 0x90)) /* overlong */) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
if ((((*source) & ((byte)0x7)) > 0x4U) ||
((((*source) & ((byte)0x7)) == 0x4U) &&
((source[1] & ((byte)0x3F)) > 0xFU))) {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
source += 4;
size -= 4;
if (num_latin1_chars)
is_latin1 = 0;
} else {
- return ERTS_UTF8_ERROR;
+ res = ERTS_UTF8_ERROR;
+ break;
}
- ++(*num_chars);
+ ++nchars;
*err_pos = source;
- if (max_chars && size > 0 && *num_chars == max_chars)
- return ERTS_UTF8_OK_MAX_CHARS;
+ if (max_chars && size > 0 && nchars == max_chars) {
+ res = ERTS_UTF8_OK_MAX_CHARS;
+ break;
+ }
if (left && --(*left) <= 0 && size) {
- return ERTS_UTF8_ANALYZE_MORE;
+ res = ERTS_UTF8_ANALYZE_MORE;
+ break;
}
}
+
+ *num_chars = nchars;
if (num_latin1_chars)
*num_latin1_chars = is_latin1 ? latin1_count : -1;
- return ERTS_UTF8_OK;
+
+ return res;
}
int erts_analyze_utf8(byte *source, Uint size,
@@ -1252,29 +1268,18 @@ int erts_analyze_utf8_x(byte *source, Uint size,
return analyze_utf8(source, size, err_pos, num_chars, left, num_latin1_chars, max_chars);
}
-/*
- * No errors should be able to occur - no overlongs, no malformed, no nothing
- */
-static Eterm do_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz,
- Uint left,
- Uint *num_built, Uint *num_eaten, Eterm tail)
+static ERTS_INLINE Eterm
+make_list_from_utf8_buf(Eterm **hpp, Uint num,
+ byte *bytes, Uint sz,
+ Uint *num_built, Uint *num_eaten,
+ Eterm tail)
{
Eterm *hp;
Eterm ret;
+ Uint left = num;
byte *source, *ssource;
Uint unipoint;
-
- ASSERT(num > 0);
- if (left < num) {
- if (left > 0)
- num = left;
- else
- num = 1;
- }
-
- *num_built = num; /* Always */
-
- hp = HAlloc(p,num * 2);
+ hp = *hpp;
ret = tail;
source = bytes + sz;
ssource = source;
@@ -1302,20 +1307,97 @@ static Eterm do_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz,
}
ret = CONS(hp,make_small(unipoint),ret);
hp += 2;
- if (--num <= 0) {
+ if (--left <= 0) {
break;
}
}
+ *hpp = hp;
+ *num_built = num; /* Always */
*num_eaten = (ssource - source);
return ret;
}
+/*
+ * No errors should be able to occur - no overlongs, no malformed, no nothing
+ */
+static Eterm do_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz,
+ Uint left,
+ Uint *num_built, Uint *num_eaten, Eterm tail)
+{
+ Eterm *hp;
+
+ ASSERT(num > 0);
+ if (left < num) {
+ if (left > 0)
+ num = left;
+ else
+ num = 1;
+ }
+
+ hp = HAlloc(p,num * 2);
+
+ return make_list_from_utf8_buf(&hp, num, bytes, sz,
+ num_built, num_eaten,
+ tail);
+}
Eterm erts_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz, Uint left,
Uint *num_built, Uint *num_eaten, Eterm tail)
{
return do_utf8_to_list(p, num, bytes, sz, left, num_built, num_eaten, tail);
}
+Uint erts_atom_to_string_length(Eterm atom)
+{
+ Atom *ap;
+
+ ASSERT(is_atom(atom));
+ ap = atom_tab(atom_val(atom));
+
+ if (ap->latin1_chars >= 0)
+ return (Uint) ap->len;
+ else {
+ byte* err_pos;
+ Uint num_chars;
+#ifdef DEBUG
+ int ares =
+#endif
+ erts_analyze_utf8(ap->name, ap->len, &err_pos, &num_chars, NULL);
+ ASSERT(ares == ERTS_UTF8_OK);
+
+ return num_chars;
+ }
+}
+
+Eterm erts_atom_to_string(Eterm **hpp, Eterm atom)
+{
+ Atom *ap;
+
+ ASSERT(is_atom(atom));
+ ap = atom_tab(atom_val(atom));
+ if (ap->latin1_chars >= 0)
+ return buf_to_intlist(hpp, (char*)ap->name, ap->len, NIL);
+ else {
+ Eterm res;
+ byte* err_pos;
+ Uint num_chars, num_built, num_eaten;
+#ifdef DEBUG
+ Eterm *hp_start = *hpp;
+ int ares =
+#endif
+ erts_analyze_utf8(ap->name, ap->len, &err_pos, &num_chars, NULL);
+ ASSERT(ares == ERTS_UTF8_OK);
+
+ res = make_list_from_utf8_buf(hpp, num_chars, ap->name, ap->len,
+ &num_built, &num_eaten, NIL);
+
+ ASSERT(num_built == num_chars);
+ ASSERT(num_eaten == ap->len);
+ ASSERT(*hpp - hp_start == 2*num_chars);
+
+ return res;
+ }
+}
+
static int is_candidate(Uint cp)
{
int index,pos;
diff --git a/erts/emulator/beam/erl_unicode.h b/erts/emulator/beam/erl_unicode.h
index e01eaa787e..31369fc8f9 100644
--- a/erts/emulator/beam/erl_unicode.h
+++ b/erts/emulator/beam/erl_unicode.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2008-2016. All Rights Reserved.
+ * Copyright Ericsson AB 2008-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -21,4 +21,7 @@
#ifndef _ERL_UNICODE_H
#define _ERL_UNICODE_H
+Uint erts_atom_to_string_length(Eterm atom);
+Eterm erts_atom_to_string(Eterm **hpp, Eterm atom);
+
#endif /* _ERL_UNICODE_H */
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 9505942307..87777d14e9 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -867,6 +867,7 @@ Eterm erts_new_heap_binary(Process *p, byte *buf, int len, byte** datap);
Eterm erts_new_mso_binary(Process*, byte*, Uint);
Eterm new_binary(Process*, byte*, Uint);
Eterm erts_realloc_binary(Eterm bin, size_t size);
+Eterm erts_build_proc_bin(ErlOffHeap*, Eterm*, Binary*);
/* erl_bif_info.c */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-25 00:41:33 +0000