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1 | // Licensed to the Apache Software Foundation (ASF) under one |
2 | // or more contributor license agreements. See the NOTICE file | |
3 | // distributed with this work for additional information | |
4 | // regarding copyright ownership. The ASF licenses this file | |
5 | // to you under the Apache License, Version 2.0 (the | |
6 | // "License"); you may not use this file except in compliance | |
7 | // with the License. You may obtain a copy of the License at | |
8 | // | |
9 | // http://www.apache.org/licenses/LICENSE-2.0 | |
10 | // | |
11 | // Unless required by applicable law or agreed to in writing, | |
12 | // software distributed under the License is distributed on an | |
13 | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | // KIND, either express or implied. See the License for the | |
15 | // specific language governing permissions and limitations | |
16 | // under the License. | |
17 | ||
18 | #pragma once | |
19 | ||
20 | #include <memory> | |
21 | #include <string> | |
22 | #include "gandiva/simple_arena.h" | |
23 | ||
24 | namespace gandiva { | |
25 | ||
26 | /// Execution context during llvm evaluation | |
27 | class ExecutionContext { | |
28 | public: | |
29 | explicit ExecutionContext(arrow::MemoryPool* pool = arrow::default_memory_pool()) | |
30 | : arena_(pool) {} | |
31 | std::string get_error() const { return error_msg_; } | |
32 | ||
33 | void set_error_msg(const char* error_msg) { | |
34 | // Remember the first error only. | |
35 | if (error_msg_.empty()) { | |
36 | error_msg_ = std::string(error_msg); | |
37 | } | |
38 | } | |
39 | ||
40 | bool has_error() const { return !error_msg_.empty(); } | |
41 | ||
42 | SimpleArena* arena() { return &arena_; } | |
43 | ||
44 | void Reset() { | |
45 | error_msg_.clear(); | |
46 | arena_.Reset(); | |
47 | } | |
48 | ||
49 | private: | |
50 | std::string error_msg_; | |
51 | SimpleArena arena_; | |
52 | }; | |
53 | ||
54 | } // namespace gandiva |