llvm/clang/include/clang/AST/OSLog.h

//= OSLog.h - Analysis of calls to os_log builtins --*- C++ -*-===============//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file defines APIs for determining the layout of the data buffer for
// os_log() and os_trace().
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_AST_OSLOG_H
#define LLVM_CLANG_AST_OSLOG_H

#include "clang/AST/ASTContext.h"
#include "clang/AST/Expr.h"

namespace clang {
namespace analyze_os_log {

/// An OSLogBufferItem represents a single item in the data written by a call
/// to os_log() or os_trace().
class OSLogBufferItem { … };

class OSLogBufferLayout { … };

// Given a call 'E' to one of the builtins __builtin_os_log_format() or
// __builtin_os_log_format_buffer_size(), compute the layout of the buffer that
// the call will write into and store it in 'layout'. Returns 'false' if there
// was some error encountered while computing the layout, and 'true' otherwise.
bool computeOSLogBufferLayout(clang::ASTContext &Ctx, const clang::CallExpr *E,
                              OSLogBufferLayout &layout);

} // namespace analyze_os_log
} // namespace clang
#endif