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[Decomp] Decompile gcommon, gstring-h, and gkernel-h (#249)

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* begin decomp

* untabify

* finish decomp of gcommon

* warning with function name

* clean up gkernel-h

* fix all types
This commit is contained in:
water111
2021-02-11 09:49:15 -05:00
committed by GitHub
parent 6e0ff4c9d0
commit 43c1d223a6
19 changed files with 1403 additions and 519 deletions
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decompiler/IR2/GenericElementMatcher.cpp
+46
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@@ -89,6 +89,15 @@ Matcher Matcher::symbol(const std::string& name) {
return m;
}
Matcher Matcher::if_with_else(const Matcher& condition,
const Matcher& true_case,
const Matcher& false_case) {
Matcher m;
m.m_kind = Kind::IF_WITH_ELSE;
m.m_sub_matchers = {condition, true_case, false_case};
return m;
}
Matcher Matcher::deref(const Matcher& root,
bool is_addr_of,
const std::vector<DerefTokenMatcher>& tokens) {
@@ -367,6 +376,30 @@ bool Matcher::do_match(Form* input, MatchResult::Maps* maps_out) const {
}
} break;
case Kind::IF_WITH_ELSE: {
auto as_cond = dynamic_cast<CondWithElseElement*>(input->try_as_single_element());
if (!as_cond) {
return false;
}
if (as_cond->entries.size() != 1) {
return false;
}
if (!m_sub_matchers.at(0).do_match(as_cond->entries.front().condition, maps_out)) {
return false;
}
if (!m_sub_matchers.at(1).do_match(as_cond->entries.front().body, maps_out)) {
return false;
}
if (!m_sub_matchers.at(2).do_match(as_cond->else_ir, maps_out)) {
return false;
}
return true;
} break;
default:
assert(false);
return false;
@@ -429,6 +462,13 @@ GenericOpMatcher GenericOpMatcher::func(const Matcher& func_matcher) {
return m;
}
GenericOpMatcher GenericOpMatcher::condition(IR2_Condition::Kind condition) {
GenericOpMatcher m;
m.m_kind = Kind::CONDITION;
m.m_condition_kind = condition;
return m;
}
bool GenericOpMatcher::do_match(GenericOperator& input, MatchResult::Maps* maps_out) const {
switch (m_kind) {
case Kind::FIXED:
@@ -441,8 +481,14 @@ bool GenericOpMatcher::do_match(GenericOperator& input, MatchResult::Maps* maps_
return m_func_matcher.do_match(input.func(), maps_out);
}
return false;
case Kind::CONDITION:
if (input.kind() == GenericOperator::Kind::CONDITION_OPERATOR) {
return input.condition_kind() == m_condition_kind;
}
return false;
default:
assert(false);
}
}
} // namespace decompiler