зеркало из https://github.com/github/ruby.git
* re.c (rb_reg_search): make search reentrant. [ruby-dev:34223]
* test/ruby/test_parse.rb (TestParse::test_global_variable): should preserve $& variable. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16021 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz
Родитель
71263844e2
Коммит
fee4ed204f
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@ -8,6 +8,11 @@ Mon Apr 14 22:44:24 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
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* file.c (SET_EXTERNAL_ENCODING): avoid call rb_enc_check() on
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half-baked result string.
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* re.c (rb_reg_search): make search reentrant. [ruby-dev:34223]
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* test/ruby/test_parse.rb (TestParse::test_global_variable):
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should preserve $& variable.
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Mon Apr 14 17:23:27 2008 Akinori MUSHA <knu@iDaemons.org>
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* hash.c (rb_hash_delete_if, rb_hash_reject_bang, env_delete_if,
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123
re.c
123
re.c
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@ -238,6 +238,7 @@ rb_memsearch(const void *x0, long m, const void *y0, long n, rb_encoding *enc)
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#define REG_LITERAL FL_USER5
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#define REG_ENCODING_NONE FL_USER6
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#define REG_BUSY FL_USER7
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#define KCODE_FIXED FL_USER4
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@ -1144,11 +1145,12 @@ static VALUE
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rb_reg_preprocess(const char *p, const char *end, rb_encoding *enc,
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rb_encoding **fixed_enc, onig_errmsg_buffer err);
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static void
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rb_reg_prepare_re(VALUE re, VALUE str, int enable_warning)
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static rb_encoding*
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rb_reg_prepare_enc(VALUE re, VALUE str, int warn)
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{
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int need_recompile = 0;
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rb_encoding *enc;
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rb_encoding *enc = 0;
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regex_t *reg;
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if (rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN) {
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rb_raise(rb_eArgError,
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@ -1168,63 +1170,65 @@ rb_reg_prepare_re(VALUE re, VALUE str, int enable_warning)
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}
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}
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else {
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if ((enc = rb_enc_get(str)) != 0 &&
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RREGEXP(re)->ptr->enc != enc) {
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need_recompile = 1;
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}
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if (enable_warning &&
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(RBASIC(re)->flags & REG_ENCODING_NONE) &&
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enc = rb_enc_get(str);
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if (warn && (RBASIC(re)->flags & REG_ENCODING_NONE) &&
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enc != rb_ascii8bit_encoding() &&
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rb_enc_str_coderange(str) != ENC_CODERANGE_7BIT) {
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rb_warn("regexp match /.../n against to %s string",
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rb_enc_name(enc));
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}
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}
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if (need_recompile) {
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onig_errmsg_buffer err = "";
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int r;
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OnigErrorInfo einfo;
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regex_t *reg, *reg2;
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UChar *pattern;
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VALUE unescaped;
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rb_encoding *fixed_enc = 0;
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rb_reg_check(re);
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reg = RREGEXP(re)->ptr;
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pattern = ((UChar*)RREGEXP(re)->str);
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unescaped = rb_reg_preprocess(
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RREGEXP(re)->str, RREGEXP(re)->str + RREGEXP(re)->len, enc,
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&fixed_enc, err);
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if (unescaped == Qnil) {
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rb_raise(rb_eArgError, "regexp preprocess failed: %s", err);
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}
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r = onig_new(®2, (UChar* )RSTRING_PTR(unescaped),
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(UChar* )(RSTRING_PTR(unescaped) + RSTRING_LEN(unescaped)),
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reg->options, enc,
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OnigDefaultSyntax, &einfo);
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if (r) {
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onig_error_code_to_str((UChar*)err, r, &einfo);
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rb_reg_raise((char* )pattern, RREGEXP(re)->len, err, re);
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rb_enc_str_coderange(str) != ENC_CODERANGE_7BIT) {
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rb_warn("regexp match /.../n against to %s string",
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rb_enc_name(enc));
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}
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RREGEXP(re)->ptr = reg2;
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onig_free(reg);
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RB_GC_GUARD(unescaped);
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return enc;
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}
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return RREGEXP(re)->ptr->enc;
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}
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static regex_t *
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rb_reg_prepare_re(VALUE re, rb_encoding *enc)
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{
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regex_t *reg = RREGEXP(re)->ptr;
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onig_errmsg_buffer err = "";
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int r;
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OnigErrorInfo einfo;
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UChar *pattern;
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VALUE unescaped;
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rb_encoding *fixed_enc = 0;
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if (reg->enc == enc) return reg;
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rb_reg_check(re);
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reg = RREGEXP(re)->ptr;
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pattern = ((UChar*)RREGEXP(re)->str);
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unescaped = rb_reg_preprocess(
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pattern, pattern + RREGEXP(re)->len, enc,
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&fixed_enc, err);
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if (unescaped == Qnil) {
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rb_raise(rb_eArgError, "regexp preprocess failed: %s", err);
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}
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r = onig_new(®, (UChar* )RSTRING_PTR(unescaped),
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(UChar* )(RSTRING_PTR(unescaped) + RSTRING_LEN(unescaped)),
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reg->options, enc,
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OnigDefaultSyntax, &einfo);
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if (r) {
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onig_error_code_to_str((UChar*)err, r, &einfo);
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rb_reg_raise((char*)pattern, RREGEXP(re)->len, err, re);
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}
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RB_GC_GUARD(unescaped);
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return reg;
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}
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int
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rb_reg_adjust_startpos(VALUE re, VALUE str, int pos, int reverse)
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{
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int range;
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OnigEncoding enc;
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rb_encoding *enc;
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UChar *p, *string;
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regex_t *reg;
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rb_reg_prepare_re(re, str, 0);
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enc = rb_reg_prepare_enc(re, str, 0);
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if (reverse) {
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range = -pos;
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@ -1233,8 +1237,6 @@ rb_reg_adjust_startpos(VALUE re, VALUE str, int pos, int reverse)
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range = RSTRING_LEN(str) - pos;
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}
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enc = (RREGEXP(re)->ptr)->enc;
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if (pos > 0 && ONIGENC_MBC_MAXLEN(enc) != 1 && pos < RSTRING_LEN(str)) {
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string = (UChar*)RSTRING_PTR(str);
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@ -1257,24 +1259,37 @@ rb_reg_search(VALUE re, VALUE str, int pos, int reverse)
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VALUE match;
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static struct re_registers regs;
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char *range = RSTRING_PTR(str);
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regex_t *reg0 = RREGEXP(re)->ptr, *reg;
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int busy = FL_TEST(re, REG_BUSY);
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if (pos > RSTRING_LEN(str) || pos < 0) {
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rb_backref_set(Qnil);
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return -1;
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}
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rb_reg_prepare_re(re, str, 1);
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reg = rb_reg_prepare_re(re, rb_reg_prepare_enc(re, str, 1));
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FL_SET(re, REG_BUSY);
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if (!reverse) {
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range += RSTRING_LEN(str);
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}
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result = onig_search(RREGEXP(re)->ptr,
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result = onig_search(reg,
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(UChar*)(RSTRING_PTR(str)),
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((UChar*)(RSTRING_PTR(str)) + RSTRING_LEN(str)),
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((UChar*)(RSTRING_PTR(str)) + pos),
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((UChar*)range),
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®s, ONIG_OPTION_NONE);
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if (RREGEXP(re)->ptr != reg) {
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if (busy) {
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onig_free(reg);
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}
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else {
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onig_free(reg0);
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RREGEXP(re)->ptr = reg;
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}
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}
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if (!busy) FL_UNSET(re, REG_BUSY);
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if (result < 0) {
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if (result == ONIG_MISMATCH) {
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rb_backref_set(Qnil);
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@ -670,8 +670,11 @@ x = __ENCODING__
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def test_global_variable
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assert_equal(nil, eval('$-x'))
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assert_equal(nil, eval('alias $preserve_last_match $&'))
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assert_equal(nil, eval('alias $& $test_parse_foobarbazqux'))
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$test_parse_foobarbazqux = nil
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assert_equal(nil, $&)
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assert_equal(nil, eval('alias $& $preserve_last_match'))
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assert_raise(SyntaxError) { eval('$#') }
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end
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@ -1,7 +1,7 @@
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#define RUBY_VERSION "1.9.0"
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#define RUBY_RELEASE_DATE "2008-04-14"
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#define RUBY_RELEASE_DATE "2008-04-15"
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#define RUBY_VERSION_CODE 190
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#define RUBY_RELEASE_CODE 20080414
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#define RUBY_RELEASE_CODE 20080415
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#define RUBY_PATCHLEVEL 0
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#define RUBY_VERSION_MAJOR 1
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@ -9,7 +9,7 @@
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#define RUBY_VERSION_TEENY 0
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#define RUBY_RELEASE_YEAR 2008
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#define RUBY_RELEASE_MONTH 4
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#define RUBY_RELEASE_DAY 14
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#define RUBY_RELEASE_DAY 15
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#ifdef RUBY_EXTERN
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RUBY_EXTERN const char ruby_version[];
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