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Got more regex tests passing

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This commit is contained in:
Dan Hirsch 2013-05-24 02:50:05 +02:00
parent 0600440b7c
commit de38f7bce8
5 changed files with 54 additions and 18 deletions
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26
src/parsers/charset.c
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@ -41,13 +41,25 @@ static bool cs_ctrvm(HRVMProg *prog, void *env) {
h_rvm_insert_insn(prog, RVM_PUSH, 0);
uint16_t start = h_rvm_get_ip(prog);
for (size_t i=0; i<256; ++i) {
// TODO: merge ranges.
if (charset_isset(cs, i)) {
uint16_t insn = h_rvm_insert_insn(prog, RVM_FORK, 0);
h_rvm_insert_insn(prog, RVM_MATCH, i | i << 8);
h_rvm_insert_insn(prog, RVM_GOTO, 0);
h_rvm_patch_arg(prog, insn, h_rvm_get_ip(prog));
uint8_t range_start = 0;
bool collecting = false;
for (size_t i=0; i<257; ++i) {
// Position 256 is only there so that every included character has
// a non-included character after it.
if (i < 256 && charset_isset(cs, i)) {
if (!collecting) {
collecting = true;
range_start = i;
}
} else {
if (collecting) {
collecting = false;
uint16_t insn = h_rvm_insert_insn(prog, RVM_FORK, 0);
h_rvm_insert_insn(prog, RVM_MATCH, range_start | i << 8);
h_rvm_insert_insn(prog, RVM_GOTO, 0);
h_rvm_patch_arg(prog, insn, h_rvm_get_ip(prog));
}
}
}
h_rvm_insert_insn(prog, RVM_MATCH, 0x00FF);