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//===--- Variantvalue.cpp -------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "mlir/Query/Matcher/VariantValue.h"
namespace mlir::query::matcher {
VariantMatcher::Payload::~Payload() = default;
class VariantMatcher::SinglePayload : public VariantMatcher::Payload {
public:
explicit SinglePayload(DynMatcher matcher) : matcher(std::move(matcher)) {}
std::optional<DynMatcher> getDynMatcher() const override { return matcher; }
std::string getTypeAsString() const override { return "Matcher"; }
private:
DynMatcher matcher;
};
class VariantMatcher::VariadicOpPayload : public VariantMatcher::Payload {
public:
VariadicOpPayload(DynMatcher::VariadicOperator varOp,
std::vector<VariantMatcher> args)
: varOp(varOp), args(std::move(args)) {}
std::optional<DynMatcher> getDynMatcher() const override {
std::vector<DynMatcher> dynMatchers;
for (auto variantMatcher : args) {
std::optional<DynMatcher> dynMatcher = variantMatcher.getDynMatcher();
if (dynMatcher)
dynMatchers.push_back(dynMatcher.value());
}
auto result = DynMatcher::constructVariadic(varOp, dynMatchers);
return *result;
}
std::string getTypeAsString() const override {
std::string inner;
llvm::interleave(
args, [&](auto const &arg) { inner += arg.getTypeAsString(); },
[&] { inner += " & "; });
return inner;
}
private:
const DynMatcher::VariadicOperator varOp;
const std::vector<VariantMatcher> args;
};
VariantMatcher::VariantMatcher() = default;
VariantMatcher VariantMatcher::SingleMatcher(DynMatcher matcher) {
return VariantMatcher(std::make_shared<SinglePayload>(std::move(matcher)));
}
VariantMatcher
VariantMatcher::VariadicOperatorMatcher(DynMatcher::VariadicOperator varOp,
ArrayRef<VariantMatcher> args) {
return VariantMatcher(
std::make_shared<VariadicOpPayload>(varOp, std::move(args)));
}
std::optional<DynMatcher> VariantMatcher::MatcherOps::constructVariadicOperator(
DynMatcher::VariadicOperator varOp,
ArrayRef<VariantMatcher> innerMatchers) const {
std::vector<DynMatcher> dynMatchers;
for (const auto &innerMatcher : innerMatchers) {
if (!innerMatcher.value)
return std::nullopt;
std::optional<DynMatcher> inner = innerMatcher.value->getDynMatcher();
if (!inner)
return std::nullopt;
dynMatchers.push_back(*inner);
}
return *DynMatcher::constructVariadic(varOp, dynMatchers);
}
std::optional<DynMatcher> VariantMatcher::getDynMatcher() const {
return value ? value->getDynMatcher() : std::nullopt;
}
void VariantMatcher::reset() { value.reset(); }
std::string VariantMatcher::getTypeAsString() const { return "<Nothing>"; }
VariantValue::VariantValue(const VariantValue &other)
: type(ValueType::Nothing) {
*this = other;
}
VariantValue::VariantValue(const llvm::StringRef string)
: type(ValueType::String) {
value.String = new llvm::StringRef(string);
}
VariantValue::VariantValue(const VariantMatcher &matcher)
: type(ValueType::Matcher) {
value.Matcher = new VariantMatcher(matcher);
}
VariantValue::VariantValue(int64_t signedValue) : type(ValueType::Signed) {
value.Signed = signedValue;
}
VariantValue::VariantValue(bool setBoolean) : type(ValueType::Boolean) {
value.Boolean = setBoolean;
}
VariantValue::~VariantValue() { reset(); }
VariantValue &VariantValue::operator=(const VariantValue &other) {
if (this == &other)
return *this;
reset();
switch (other.type) {
case ValueType::String:
setString(other.getString());
break;
case ValueType::Matcher:
setMatcher(other.getMatcher());
break;
case ValueType::Signed:
setSigned(other.getSigned());
break;
case ValueType::Boolean:
setBoolean(other.getBoolean());
break;
case ValueType::Nothing:
type = ValueType::Nothing;
break;
}
return *this;
}
void VariantValue::reset() {
switch (type) {
case ValueType::String:
delete value.String;
break;
case ValueType::Matcher:
delete value.Matcher;
break;
// Cases that do nothing.
case ValueType::Signed:
case ValueType::Boolean:
case ValueType::Nothing:
break;
}
type = ValueType::Nothing;
}
// Signed
bool VariantValue::isSigned() const { return type == ValueType::Signed; }
int64_t VariantValue::getSigned() const { return value.Signed; }
void VariantValue::setSigned(int64_t newValue) {
type = ValueType::Signed;
value.Signed = newValue;
}
// Boolean
bool VariantValue::isBoolean() const { return type == ValueType::Boolean; }
bool VariantValue::getBoolean() const { return value.Boolean; }
void VariantValue::setBoolean(bool newValue) {
type = ValueType::Boolean;
value.Boolean = newValue;
}
bool VariantValue::isString() const { return type == ValueType::String; }
const llvm::StringRef &VariantValue::getString() const {
assert(isString());
return *value.String;
}
void VariantValue::setString(const llvm::StringRef &newValue) {
reset();
type = ValueType::String;
value.String = new llvm::StringRef(newValue);
}
bool VariantValue::isMatcher() const { return type == ValueType::Matcher; }
const VariantMatcher &VariantValue::getMatcher() const {
assert(isMatcher());
return *value.Matcher;
}
void VariantValue::setMatcher(const VariantMatcher &newValue) {
reset();
type = ValueType::Matcher;
value.Matcher = new VariantMatcher(newValue);
}
std::string VariantValue::getTypeAsString() const {
switch (type) {
case ValueType::String:
return "String";
case ValueType::Matcher:
return "Matcher";
case ValueType::Signed:
return "Signed";
case ValueType::Boolean:
return "Boolean";
case ValueType::Nothing:
return "Nothing";
}
llvm_unreachable("Invalid Type");
}
} // namespace mlir::query::matcher
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