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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-09-01 17:40:32 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-09-01 17:40:32 +0000
commit7908180df1364bc6a20cdbf2cb1365f1f0da21fa (patch)
tree4caf1aa63bc2e4fe3b3ef506a074a5fd2a2cf18d
parent6c835ee50ae152daf75d4bd3a63570b7480b1c89 (diff)
* tool/transcode-tblgen.rb: record offsets array as index of
byte_array to avoid relocation. * transcode.c (transcode_restartable0): add byte_array to get offsets array. * transcode_data.h (BYTE_LOOKUP_BASE): change return type to uintptr_t. (rb_transcoder): add fields: byte_array, word_array and word_size. * enc/trans/newline.trans: follow rb_transcoder change. * enc/trans/iso2022.trans: ditto. * enc/trans/utf_16_32.trans: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19043 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--ChangeLog18
-rw-r--r--enc/trans/iso2022.trans2
-rw-r--r--enc/trans/newline.trans3
-rw-r--r--enc/trans/utf_16_32.trans8
-rw-r--r--tool/transcode-tblgen.rb3
-rw-r--r--transcode.c5
-rw-r--r--transcode_data.h5
7 files changed, 40 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index ba629462dd..385fe9a757 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,21 @@
+Tue Sep 2 02:36:20 2008 Tanaka Akira <akr@fsij.org>
+
+ * tool/transcode-tblgen.rb: record offsets array as index of
+ byte_array to avoid relocation.
+
+ * transcode.c (transcode_restartable0): add byte_array to get offsets
+ array.
+
+ * transcode_data.h (BYTE_LOOKUP_BASE): change return type to
+ uintptr_t.
+ (rb_transcoder): add fields: byte_array, word_array and word_size.
+
+ * enc/trans/newline.trans: follow rb_transcoder change.
+
+ * enc/trans/iso2022.trans: ditto.
+
+ * enc/trans/utf_16_32.trans: ditto.
+
Tue Sep 2 02:05:14 2008 Tanaka Akira <akr@fsij.org>
* tool/transcode-tblgen.rb: make infos arrays and BYTE_LOOKUPs into
diff --git a/enc/trans/iso2022.trans b/enc/trans/iso2022.trans
index 8a94d70040..a11424c2c5 100644
--- a/enc/trans/iso2022.trans
+++ b/enc/trans/iso2022.trans
@@ -70,6 +70,7 @@ fun_so_iso2022jp_to_eucjp(rb_transcoding* t, const unsigned char* s, size_t l, u
static const rb_transcoder
rb_ISO_2022_JP_to_EUC_JP = {
"ISO-2022-JP", "EUC-JP", iso2022jp_to_eucjp,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
3, /* max_input */
3, /* max_output */
@@ -142,6 +143,7 @@ finish_eucjp_to_iso2022jp(rb_transcoding *t, unsigned char *o)
static const rb_transcoder
rb_EUC_JP_to_ISO_2022_JP = {
"EUC-JP", "ISO-2022-JP", eucjp_to_iso2022jp,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
3, /* max_input */
5, /* max_output */
diff --git a/enc/trans/newline.trans b/enc/trans/newline.trans
index 536cba108c..6431a7d951 100644
--- a/enc/trans/newline.trans
+++ b/enc/trans/newline.trans
@@ -55,6 +55,7 @@ fun_so_universal_newline(rb_transcoding* t, const unsigned char* s, size_t l, un
static const rb_transcoder
rb_universal_newline = {
"universal_newline", "", universal_newline,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
1, /* max_input */
1, /* max_output */
@@ -65,6 +66,7 @@ rb_universal_newline = {
static const rb_transcoder
rb_crlf_newline = {
"", "crlf_newline", crlf_newline,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
1, /* max_input */
2, /* max_output */
@@ -75,6 +77,7 @@ rb_crlf_newline = {
static const rb_transcoder
rb_cr_newline = {
"", "cr_newline", cr_newline,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
1, /* max_input */
1, /* max_output */
diff --git a/enc/trans/utf_16_32.trans b/enc/trans/utf_16_32.trans
index 2bbee65b7f..bb6db9d5e4 100644
--- a/enc/trans/utf_16_32.trans
+++ b/enc/trans/utf_16_32.trans
@@ -262,6 +262,7 @@ fun_so_to_utf_32le(rb_transcoding* t, const unsigned char* s, size_t l, unsigned
static const rb_transcoder
rb_from_UTF_16BE = {
"UTF-16BE", "UTF-8", from_UTF_16BE,
+ byte_array, word_array, sizeof(uintptr_t),
2, /* input_unit_length */
4, /* max_input */
4, /* max_output */
@@ -272,6 +273,7 @@ rb_from_UTF_16BE = {
static const rb_transcoder
rb_to_UTF_16BE = {
"UTF-8", "UTF-16BE", to_UTF_16BE,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
@@ -282,6 +284,7 @@ rb_to_UTF_16BE = {
static const rb_transcoder
rb_from_UTF_16LE = {
"UTF-16LE", "UTF-8", from_UTF_16LE,
+ byte_array, word_array, sizeof(uintptr_t),
2, /* input_unit_length */
4, /* max_input */
4, /* max_output */
@@ -292,6 +295,7 @@ rb_from_UTF_16LE = {
static const rb_transcoder
rb_to_UTF_16LE = {
"UTF-8", "UTF-16LE", to_UTF_16BE,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
@@ -302,6 +306,7 @@ rb_to_UTF_16LE = {
static const rb_transcoder
rb_from_UTF_32BE = {
"UTF-32BE", "UTF-8", from_UTF_32BE,
+ byte_array, word_array, sizeof(uintptr_t),
4, /* input_unit_length */
4, /* max_input */
4, /* max_output */
@@ -312,6 +317,7 @@ rb_from_UTF_32BE = {
static const rb_transcoder
rb_to_UTF_32BE = {
"UTF-8", "UTF-32BE", to_UTF_16BE,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
@@ -322,6 +328,7 @@ rb_to_UTF_32BE = {
static const rb_transcoder
rb_from_UTF_32LE = {
"UTF-32LE", "UTF-8", from_UTF_32LE,
+ byte_array, word_array, sizeof(uintptr_t),
4, /* input_unit_length */
4, /* max_input */
4, /* max_output */
@@ -332,6 +339,7 @@ rb_from_UTF_32LE = {
static const rb_transcoder
rb_to_UTF_32LE = {
"UTF-8", "UTF-32LE", to_UTF_16BE,
+ byte_array, word_array, sizeof(uintptr_t),
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
diff --git a/tool/transcode-tblgen.rb b/tool/transcode-tblgen.rb
index 4702600895..f6c9b0118a 100644
--- a/tool/transcode-tblgen.rb
+++ b/tool/transcode-tblgen.rb
@@ -334,7 +334,7 @@ End
end
size = bytes_code[/\[\d+\]/][1...-1].to_i
bytes_code.sub!(/^(\};\n\z)/) {
- "\#define #{offsets_name} (byte_array+#{size})\n" +
+ "\#define #{offsets_name} #{size}\n" +
format_offsets(min,max,offsets) + "\n" +
$1
}
@@ -587,6 +587,7 @@ def transcode_tblgen(from, to, map)
static const rb_transcoder
#{transcoder_name} = {
#{c_esc from}, #{c_esc to}, #{real_tree_name},
+ byte_array, word_array, sizeof(uintptr_t),
#{input_unit_length}, /* input_unit_length */
#{max_input}, /* max_input */
#{max_output}, /* max_output */
diff --git a/transcode.c b/transcode.c
index f4409a39ab..bc1597e5b0 100644
--- a/transcode.c
+++ b/transcode.c
@@ -493,10 +493,11 @@ transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos,
next_byte = (unsigned char)*in_p++;
follow_byte:
- if (next_byte < BYTE_LOOKUP_BASE(next_table)[0] || BYTE_LOOKUP_BASE(next_table)[1] < next_byte)
+#define BL_BASE(next_table) (tr->byte_array + BYTE_LOOKUP_BASE(next_table))
+ if (next_byte < BL_BASE(next_table)[0] || BL_BASE(next_table)[1] < next_byte)
next_info = INVALID;
else {
- unsigned int next_offset = BYTE_LOOKUP_BASE(next_table)[2+next_byte-BYTE_LOOKUP_BASE(next_table)[0]];
+ unsigned int next_offset = BL_BASE(next_table)[2+next_byte-BL_BASE(next_table)[0]];
next_info = (VALUE)BYTE_LOOKUP_INFO(next_table)[next_offset];
}
follow_info:
diff --git a/transcode_data.h b/transcode_data.h
index 8287cf66e0..a40391614c 100644
--- a/transcode_data.h
+++ b/transcode_data.h
@@ -18,7 +18,7 @@ typedef unsigned char base_element;
typedef uintptr_t BYTE_LOOKUP[2];
-#define BYTE_LOOKUP_BASE(bl) ((const base_element *)(((uintptr_t *)(bl))[0]))
+#define BYTE_LOOKUP_BASE(bl) (((uintptr_t *)(bl))[0])
#define BYTE_LOOKUP_INFO(bl) ((const struct byte_lookup *const *)(((uintptr_t *)(bl))[1]))
#ifndef PType
@@ -107,6 +107,9 @@ struct rb_transcoder {
const char *from_encoding;
const char *to_encoding;
uintptr_t conv_tree_start;
+ const unsigned char *byte_array;
+ const uintptr_t *word_array;
+ int word_size;
int input_unit_length;
int max_input;
int max_output;