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68705eee2c
Adds two CMake functions:
* add_module(library subdirectory): Declares an OBJECT "library" (a CMake abstraction for a collection of object files) with sources from the given subdirectory of the given library, representing a module. Isolates the module's headers by creating a subdirectory in the build directory, e.g. .build/tmp123, that contains just a symlink, e.g. .build/tmp123/basics, to the module's header directory, e.g. include/xrpl/basics, in the source directory, and putting .build/tmp123 (but not include/xrpl) on the include path of the module sources. This prevents the module sources from including headers not explicitly linked to the module in CMake with target_link_libraries.
* target_link_modules(library scope modules...): Links the library target to each of the module targets, and removes their sources from its source list (so they are not compiled and linked twice).
Uses these functions to separate and explicitly link modules in libxrpl:
Level 01: beast
Level 02: basics
Level 03: json, crypto
Level 04: protocol
Level 05: resource, server
122 lines
2.8 KiB
C++
122 lines
2.8 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2021 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_BASICS_SHAMAP_HASH_H_INCLUDED
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#define RIPPLE_BASICS_SHAMAP_HASH_H_INCLUDED
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#include <xrpl/basics/base_uint.h>
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#include <xrpl/basics/partitioned_unordered_map.h>
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#include <ostream>
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namespace ripple {
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// A SHAMapHash is the hash of a node in a SHAMap, and also the
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// type of the hash of the entire SHAMap.
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class SHAMapHash
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{
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uint256 hash_;
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public:
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SHAMapHash() = default;
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explicit SHAMapHash(uint256 const& hash) : hash_(hash)
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{
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}
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uint256 const&
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as_uint256() const
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{
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return hash_;
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}
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uint256&
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as_uint256()
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{
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return hash_;
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}
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bool
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isZero() const
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{
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return hash_.isZero();
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}
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bool
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isNonZero() const
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{
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return hash_.isNonZero();
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}
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int
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signum() const
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{
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return hash_.signum();
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}
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void
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zero()
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{
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hash_.zero();
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}
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friend bool
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operator==(SHAMapHash const& x, SHAMapHash const& y)
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{
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return x.hash_ == y.hash_;
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}
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friend bool
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operator<(SHAMapHash const& x, SHAMapHash const& y)
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{
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return x.hash_ < y.hash_;
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}
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friend std::ostream&
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operator<<(std::ostream& os, SHAMapHash const& x)
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{
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return os << x.hash_;
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}
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friend std::string
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to_string(SHAMapHash const& x)
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{
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return to_string(x.hash_);
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}
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template <class H>
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friend void
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hash_append(H& h, SHAMapHash const& x)
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{
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hash_append(h, x.hash_);
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}
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};
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inline bool
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operator!=(SHAMapHash const& x, SHAMapHash const& y)
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{
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return !(x == y);
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}
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template <>
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inline std::size_t
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extract(SHAMapHash const& key)
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{
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return *reinterpret_cast<std::size_t const*>(key.as_uint256().data());
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}
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} // namespace ripple
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#endif // RIPPLE_BASICS_SHAMAP_HASH_H_INCLUDED
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