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Move entirety of llvm namespace to wpi namespace.

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During shared library loading, a different libLLVM can be pulled in, causing
llvm symbols from dependent libraries to resolve to that library instead of
this one. This has been seen in the wild with the Mesa OpenGL implementation
in JavaFX applications (see wpilibsuite/shuffleboard#361).

This is clearly a very breaking change. For some level of backwards
compatibility, a namespace alias from llvm to wpi is performed in the "llvm"
headers.  Unfortunately, forward declarations of llvm classes will still break,
but compilers seem to generate clear error messages in those cases
("namespace alias 'llvm' not allowed here, assuming 'wpi'").

This change also moves all the wpiutil headers to a single "wpi" subdirectory
from the previously split "llvm", "support", "tcpsockets", and "udpsockets".
Shim headers will be added for backwards compatibility in a later commit.
This commit is contained in:
Peter Johnson
2018-04-29 23:33:19 -07:00
parent 93859eb84f
commit f84018af5f
377 changed files with 2747 additions and 2742 deletions
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16
wpiutil/src/main/native/cpp/llvm/StringRef.cpp
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@@ -7,13 +7,13 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/StringRef.h"
#include "llvm/Hashing.h"
#include "llvm/SmallVector.h"
#include "wpi/StringRef.h"
#include "wpi/Hashing.h"
#include "wpi/SmallVector.h"
#include <bitset>
#include <climits>
using namespace llvm;
using namespace wpi;
// MSVC emits references to this into the translation units which reference it.
#ifndef _MSC_VER
@@ -120,7 +120,7 @@ std::string StringRef::upper() const {
return Result;
}
const char *StringRef::c_str(llvm::SmallVectorImpl<char>& buf) const {
const char *StringRef::c_str(wpi::SmallVectorImpl<char>& buf) const {
if (is_null_terminated()) {
// If null terminated, return data directly
return data();
@@ -379,7 +379,7 @@ static unsigned GetAutoSenseRadix(StringRef &Str) {
/// GetAsUnsignedInteger - Workhorse method that converts a integer character
/// sequence of radix up to 36 to an unsigned long long value.
bool llvm::getAsUnsignedInteger(StringRef Str, unsigned Radix,
bool wpi::getAsUnsignedInteger(StringRef Str, unsigned Radix,
unsigned long long &Result) {
// Autosense radix if not specified.
if (Radix == 0)
@@ -420,7 +420,7 @@ bool llvm::getAsUnsignedInteger(StringRef Str, unsigned Radix,
return false;
}
bool llvm::getAsSignedInteger(StringRef Str, unsigned Radix,
bool wpi::getAsSignedInteger(StringRef Str, unsigned Radix,
long long &Result) {
unsigned long long ULLVal;
@@ -447,6 +447,6 @@ bool llvm::getAsSignedInteger(StringRef Str, unsigned Radix,
}
// Implementation of StringRef hashing.
hash_code llvm::hash_value(StringRef S) {
hash_code wpi::hash_value(StringRef S) {
return hash_combine_range(S.begin(), S.end());
}