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[ASTGen] Add Encoder/Decoder implementation backed by llvm::json::Value
Preparation for a future use.
This commit is contained in:
Rintaro Ishizaki
246
lib/Basic/CBasicBridging.cpp
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246
lib/Basic/CBasicBridging.cpp
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//===--- CBasicBridging.cpp -----------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2023 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/CBasicBridging.h"
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#include "llvm/Support/JSON.h"
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void BridgedData_free(BridgedData data) {
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if (data.baseAddress == nullptr)
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return;
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free(const_cast<char *>(data.baseAddress));
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}
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//===----------------------------------------------------------------------===//
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// JSON
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//===----------------------------------------------------------------------===//
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void *JSON_newValue() { return new llvm::json::Value(nullptr); }
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void *JSON_deserializedValue(BridgedData data) {
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auto result = llvm::json::parse({data.baseAddress, data.size});
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if (!result) {
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return nullptr;
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}
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return new llvm::json::Value(std::move(*result));
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}
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void JSON_value_serialize(void *value, BridgedData *out) {
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llvm::SmallVector<char, 0> result;
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llvm::raw_svector_ostream OS(result);
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OS << *static_cast<llvm::json::Value *>(value);
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auto outPtr = malloc(result.size());
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memcpy(outPtr, result.data(), result.size());
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*out = BridgedData{(const char *)outPtr, result.size()};
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}
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void JSON_value_delete(void *value) {
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delete static_cast<llvm::json::Value *>(value);
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}
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bool JSON_value_getAsNull(void *value) {
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if (auto val = static_cast<llvm::json::Value *>(value)->getAsNull()) {
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return true;
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}
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return false;
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}
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bool JSON_value_getAsBoolean(void *value, bool *result) {
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if (auto val = static_cast<llvm::json::Value *>(value)->getAsBoolean()) {
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*result = *val;
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return false;
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}
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return true;
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}
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bool JSON_value_getAsDouble(void *value, double *result) {
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if (auto val = static_cast<llvm::json::Value *>(value)->getAsNumber()) {
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*result = *val;
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return false;
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}
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return true;
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}
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bool JSON_value_getAsInteger(void *value, int64_t *result) {
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if (auto val = static_cast<llvm::json::Value *>(value)->getAsInteger()) {
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*result = *val;
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return false;
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}
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return true;
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}
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bool JSON_value_getAsString(void *value, BridgedData *result) {
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if (auto val = static_cast<llvm::json::Value *>(value)->getAsString()) {
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*result = {val->data(), val->size()};
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return false;
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}
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return true;
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}
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bool JSON_value_getAsObject(void *value, void **result) {
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if (auto val = static_cast<llvm::json::Value *>(value)->getAsObject()) {
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*result = val;
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return false;
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}
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return true;
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}
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bool JSON_value_getAsArray(void *value, void **result) {
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if (auto val = static_cast<llvm::json::Value *>(value)->getAsArray()) {
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*result = val;
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return false;
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}
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return true;
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}
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size_t JSON_object_getSize(void *objectPtr) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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return object->size();
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}
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BridgedData JSON_object_getKey(void *objectPtr, size_t i) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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std::map<int, float> map;
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auto iter = object->begin();
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std::advance(iter, i);
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auto str = llvm::StringRef(iter->first);
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return {str.data(), str.size()};
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}
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bool JSON_object_hasKey(void *objectPtr, const char *key) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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return object->find(key) != object->end();
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}
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void *JSON_object_getValue(void *objectPtr, const char *key) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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return object->get(key);
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}
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int64_t JSON_array_getSize(void *objectPtr) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(objectPtr);
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return array->size();
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}
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void *JSON_array_getValue(void *objectPtr, int64_t index) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(objectPtr);
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return array->data() + index;
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}
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void JSON_value_emplaceNull(void *valuePtr) {
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auto *value = static_cast<llvm::json::Value *>(valuePtr);
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*value = nullptr;
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}
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void JSON_value_emplaceBoolean(void *valuePtr, bool newValue) {
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auto *value = static_cast<llvm::json::Value *>(valuePtr);
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*value = newValue;
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}
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void JSON_value_emplaceString(void *valuePtr, const char *newValue) {
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auto *value = static_cast<llvm::json::Value *>(valuePtr);
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*value = std::string(newValue);
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}
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void JSON_value_emplaceDouble(void *valuePtr, double newValue) {
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auto *value = static_cast<llvm::json::Value *>(valuePtr);
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*value = newValue;
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}
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void JSON_value_emplaceInteger(void *valuePtr, int64_t newValue) {
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auto *value = static_cast<llvm::json::Value *>(valuePtr);
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*value = newValue;
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}
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void *JSON_value_emplaceNewObject(void *valuePtr) {
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auto *value = static_cast<llvm::json::Value *>(valuePtr);
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*value = llvm::json::Object();
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return value->getAsObject();
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}
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void *JSON_value_emplaceNewArray(void *valuePtr) {
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auto *value = static_cast<llvm::json::Value *>(valuePtr);
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*value = llvm::json::Array();
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return value->getAsArray();
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}
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void JSON_object_setNull(void *objectPtr, const char *key) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = nullptr;
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}
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void JSON_object_setBoolean(void *objectPtr, const char *key, bool value) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = value;
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}
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void JSON_object_setString(void *objectPtr, const char *key,
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const char *value) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = std::string(value);
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}
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void JSON_object_setDouble(void *objectPtr, const char *key, double value) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = value;
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}
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void JSON_object_setInteger(void *objectPtr, const char *key, int64_t value) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = value;
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}
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void *JSON_object_setNewObject(void *objectPtr, const char *key) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = llvm::json::Object();
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return object->getObject(keyStr);
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}
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void *JSON_object_setNewArray(void *objectPtr, const char *key) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = llvm::json::Array();
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return object->getArray(keyStr);
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}
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void *JSON_object_setNewValue(void *objectPtr, const char *key) {
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llvm::json::Object *object = static_cast<llvm::json::Object *>(objectPtr);
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auto keyStr = std::string(key);
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(*object)[keyStr] = llvm::json::Value(nullptr);
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return object->get(keyStr);
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}
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void JSON_array_pushNull(void *arrayPtr) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(nullptr);
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}
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void JSON_array_pushBoolean(void *arrayPtr, bool value) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(value);
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}
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void JSON_array_pushString(void *arrayPtr, const char *value) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(std::string(value));
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}
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void JSON_array_pushDouble(void *arrayPtr, double value) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(value);
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}
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void JSON_array_pushInteger(void *arrayPtr, int64_t value) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(value);
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}
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void *JSON_array_pushNewObject(void *arrayPtr) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(llvm::json::Object());
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return array->back().getAsObject();
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}
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void *JSON_array_pushNewArray(void *arrayPtr) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(llvm::json::Array());
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return array->back().getAsArray();
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}
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void *JSON_array_pushNewValue(void *arrayPtr) {
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llvm::json::Array *array = static_cast<llvm::json::Array *>(arrayPtr);
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array->emplace_back(nullptr);
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return &array->back();
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}
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