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Add support for dumping DOT graphs from KQIR (#2205)
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you under the Apache License, Version 2.0 (the | ||
* "License"); you may not use this file except in compliance | ||
* with the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, | ||
* software distributed under the License is distributed on an | ||
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
* KIND, either express or implied. See the License for the | ||
* specific language governing permissions and limitations | ||
* under the License. | ||
* | ||
*/ | ||
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#pragma once | ||
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#include "ir.h" | ||
#include "string_util.h" | ||
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namespace kqir { | ||
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struct DotDumper { | ||
std::ostream &os; | ||
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void Dump(Node *node) { | ||
os << "digraph {\n"; | ||
dump(node); | ||
os << "}\n"; | ||
} | ||
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private: | ||
static std::string nodeId(Node *node) { return fmt::format("x{:x}", (uint64_t)node); } | ||
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void dump(Node *node) { | ||
os << " " << nodeId(node) << " [ label = \"" << node->Name(); | ||
if (auto content = node->Content(); !content.empty()) { | ||
os << " (" << util::EscapeString(content) << ")\" ];\n"; | ||
} else { | ||
os << "\" ];\n"; | ||
} | ||
for (auto i = node->ChildBegin(); i != node->ChildEnd(); ++i) { | ||
os << " " << nodeId(node) << " -> " << nodeId(*i) << ";\n"; | ||
dump(*i); | ||
} | ||
} | ||
}; | ||
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} // namespace kqir |
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