github_mirrors/vectorscan
3
0
Fork 1
mirror of https://github.com/VectorCamp/vectorscan.git synced 2025-06-28 16:41:01 +03:00
Code Issues Packages Projects Releases Wiki Activity

rose: remove hasLiteral()

Browse Source
This commit is contained in:
Justin Viiret 2017-04-24 09:27:16 +10:00 committed by Matthew Barr
parent 8a7ac432c0
commit a75b2ba2e5
3 changed files with 14 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/rose/rose_build_compile.cpp
View File

@ -484,7 +484,7 @@ bool checkFloatingKillableByPrefixes(const RoseBuildImpl &tbi) {
}
static
bool checkEodStealFloating(const RoseBuildImpl &tbi,
bool checkEodStealFloating(const RoseBuildImpl &build,
const vector<u32> &eodLiteralsForFloating,
u32 numFloatingLiterals,
size_t shortestFloatingLen) {
@ -498,27 +498,36 @@ bool checkEodStealFloating(const RoseBuildImpl &tbi,
return false;
}
if (tbi.hasNoFloatingRoots()) {
if (build.hasNoFloatingRoots()) {
DEBUG_PRINTF("skipping as floating table is conditional\n");
/* TODO: investigate putting stuff in atable */
return false;
}
if (checkFloatingKillableByPrefixes(tbi)) {
if (checkFloatingKillableByPrefixes(build)) {
DEBUG_PRINTF("skipping as prefixes may make ftable conditional\n");
return false;
}
// Collect a set of all floating literals.
unordered_set<ue2_literal> floating_lits;
for (auto &m : build.literals) {
const auto &lit = m.left;
if (lit.table == ROSE_FLOATING) {
floating_lits.insert(lit.s);
}
}
DEBUG_PRINTF("%zu are eod literals, %u floating; floating len=%zu\n",
eodLiteralsForFloating.size(), numFloatingLiterals,
shortestFloatingLen);
u32 new_floating_lits = 0;
for (u32 eod_id : eodLiteralsForFloating) {
const rose_literal_id &lit = tbi.literals.right.at(eod_id);
const rose_literal_id &lit = build.literals.right.at(eod_id);
DEBUG_PRINTF("checking '%s'\n", dumpString(lit.s).c_str());
if (tbi.hasLiteral(lit.s, ROSE_FLOATING)) {
if (contains(floating_lits, lit.s)) {
DEBUG_PRINTF("skip; there is already a floating version\n");
continue;
}

2
src/rose/rose_build_impl.h
View File

@ -490,8 +490,6 @@ public:
const std::vector<u8> &cmp, u32 delay,
rose_literal_table table);
bool hasLiteral(const ue2_literal &s, rose_literal_table table) const;
u32 getNewLiteralId(void);
void removeVertices(const std::vector<RoseVertex> &dead);

22
src/rose/rose_build_misc.cpp
View File

@ -486,28 +486,6 @@ u32 RoseBuildImpl::getLiteralId(const ue2_literal &s, const vector<u8> &msk,
return id;
}
bool RoseBuildImpl::hasLiteral(const ue2_literal &s,
rose_literal_table table) const {
DEBUG_PRINTF("looking if %s exists\n", dumpString(s).c_str());
assert(table != ROSE_ANCHORED);
for (RoseLiteralMap::left_map::const_iterator it
= literals.left.lower_bound(rose_literal_id(s, table, 0));
it != literals.left.end(); ++it) {
if (it->first.table != table || it->first.s != s) {
break;
}
const rose_literal_info &info = literal_info[it->second];
if (!info.vertices.empty()) {
return true;
}
}
DEBUG_PRINTF("(used) literal not found\n");
return false;
}
u32 RoseBuildImpl::getNewLiteralId() {
rose_literal_id key(ue2_literal(), ROSE_ANCHORED, 0);
u32 numLiterals = verify_u32(literals.left.size());