9a9c1d4a61
Compared to the python version, this also does type checking and error handling, so it's slightly longer, however, it's still comfortably under 500 lines.
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
//===-- FormatterBytecode.h -------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/DataFormatters/TypeSummary.h"
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#include "lldb/Symbol/CompilerType.h"
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namespace lldb_private {
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namespace FormatterBytecode {
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enum DataType : uint8_t { Any, String, Int, UInt, Object, Type, Selector };
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enum OpCodes : uint8_t {
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#define DEFINE_OPCODE(OP, MNEMONIC, NAME) op_##NAME = OP,
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#include "FormatterBytecode.def"
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#undef DEFINE_OPCODE
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};
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enum Selectors : uint8_t {
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#define DEFINE_SELECTOR(ID, NAME) sel_##NAME = ID,
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#include "FormatterBytecode.def"
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#undef DEFINE_SELECTOR
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};
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enum Signatures : uint8_t {
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#define DEFINE_SIGNATURE(ID, NAME) sig_##NAME = ID,
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#include "FormatterBytecode.def"
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#undef DEFINE_SIGNATURE
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};
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using ControlStackElement = llvm::StringRef;
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using DataStackElement =
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std::variant<std::string, uint64_t, int64_t, lldb::ValueObjectSP,
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CompilerType, Selectors>;
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struct DataStack : public std::vector<DataStackElement> {
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DataStack() = default;
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DataStack(lldb::ValueObjectSP initial_value)
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: std::vector<DataStackElement>({initial_value}) {}
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void Push(DataStackElement el) { push_back(el); }
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template <typename T> T Pop() {
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T el = std::get<T>(back());
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pop_back();
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return el;
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}
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DataStackElement PopAny() {
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DataStackElement el = back();
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pop_back();
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return el;
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}
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};
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llvm::Error Interpret(std::vector<ControlStackElement> &control,
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DataStack &data, Selectors sel);
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} // namespace FormatterBytecode
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std::string toString(FormatterBytecode::OpCodes op);
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std::string toString(FormatterBytecode::Selectors sel);
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std::string toString(FormatterBytecode::Signatures sig);
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} // namespace lldb_private
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