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regex: fix #14370, last IST not managed in advance tests (#14372)

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penguindark 2022-05-12 10:49:57 +02:00 committed by GitHub
parent b7ca4c1668
commit e93a8766e5
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2 changed files with 10 additions and 4 deletions
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8
vlib/regex/regex.v
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@ -1313,7 +1313,7 @@ fn (mut re RE) impl_compile(in_txt string) (int, int) {
pc1++
}
// println("last_bsls_char_pc: $last_bsls_char_pc")
// println('last_bsls_char_pc: $last_bsls_char_pc')
if last_bsls_char_pc >= 0 {
pc1 = last_bsls_char_pc + 1
mut is_last_bsls := true
@ -2063,7 +2063,7 @@ pub fn (mut re RE) match_base(in_txt &u8, in_txt_len int) (int, int) {
continue
}
if re.prog[state.pc].dot_check_pc >= 0
if re.prog[state.pc].last_dot_flag == false && re.prog[state.pc].dot_check_pc >= 0
&& re.prog[state.pc].rep >= re.prog[state.pc].rep_min {
// load the char
// ch_t, _ := re.get_charb(in_txt, state.i+char_len)
@ -2183,7 +2183,7 @@ pub fn (mut re RE) match_base(in_txt &u8, in_txt_len int) (int, int) {
continue
}
if re.prog[state.pc].bsls_check_pc >= 0
if re.prog[state.pc].last_dot_flag == false && re.prog[state.pc].bsls_check_pc >= 0
&& re.prog[state.pc].rep >= re.prog[state.pc].rep_min {
// load the char
// ch_t, _ := re.get_charb(in_txt, state.i+char_len)
@ -2232,7 +2232,7 @@ pub fn (mut re RE) match_base(in_txt &u8, in_txt_len int) (int, int) {
char_len: char_len
last_dot_pc: state.pc
}
// if we are mananging a .* stay on the same char on return
// if we are managing a \[something]* stay on the same char on return
if re.prog[state.pc].rep_min == 0 {
dot_state.i -= char_len
}

6
vlib/regex/regex_test.v
View File

@ -165,6 +165,12 @@ match_test_suite = [
TestItem{"aba", r"a*(b*)*a",0,3},
TestItem{"/*x*/", r"/\**(.*)\**/",0,5},
TestItem{"/*x*/", r"/*(.*)*/",0,5},
// test last IST check
TestItem{"refs/remotes/origin/mastep", r"refs/remotes/origin/(.*)",0,26},
TestItem{"refs/remotes/origin/master", r"refs/remotes/origin/(.*)",0,26},
TestItem{"refs/remotes/origin/mastep", r"refs/remotes/origin/(\w*)",0,26},
TestItem{"refs/remotes/origin/master", r"refs/remotes/origin/(\w*)",0,26},
]
)