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Refactored regex backend to use a sparse thread list

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This commit is contained in:
Dan Hirsch 2013-06-24 21:23:28 +02:00
parent 92f2eecf6c
commit ce74cf7939
4 changed files with 90 additions and 21 deletions
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5
src/parsers/many.c
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@ -130,7 +130,7 @@ static bool many_ctrvm(HRVMProg *prog, void *env) {
if (repeat->min_p) {
h_rvm_insert_insn(prog, RVM_PUSH, 0);
assert(repeat->count < 2); // TODO: The other cases should be supported later.
uint16_t end_fork;
uint16_t end_fork = 0xFFFF; // Shut up GCC
if (repeat->count == 0)
end_fork = h_rvm_insert_insn(prog, RVM_FORK, 0xFFFF);
uint16_t goto_mid = h_rvm_insert_insn(prog, RVM_GOTO, 0xFFFF);
@ -145,7 +145,8 @@ static bool many_ctrvm(HRVMProg *prog, void *env) {
if (!h_compile_regex(prog, repeat->p))
return false;
h_rvm_insert_insn(prog, RVM_FORK, nxt);
h_rvm_patch_arg(prog, end_fork, h_rvm_get_ip(prog));
if (repeat->count == 0)
h_rvm_patch_arg(prog, end_fork, h_rvm_get_ip(prog));
h_rvm_insert_insn(prog, RVM_ACTION, h_rvm_create_action(prog, h_svm_action_make_sequence, NULL));
return true;