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//===--- Bridging/ASTContextBridging.cpp ----------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2022-2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/AST/ASTBridging.h"
#include "swift/AST/ASTContext.h"
#include "swift/AST/AvailabilitySpec.h"
using namespace swift;
//===----------------------------------------------------------------------===//
// MARK: ASTContext
//===----------------------------------------------------------------------===//
BridgedIdentifier BridgedASTContext_getIdentifier(BridgedASTContext cContext,
BridgedStringRef cStr) {
return cContext.unbridged().getIdentifier(cStr.unbridged());
}
BridgedIdentifier
BridgedASTContext_getDollarIdentifier(BridgedASTContext cContext, size_t idx) {
return cContext.unbridged().getDollarIdentifier(idx);
}
bool BridgedASTContext_langOptsHasFeature(BridgedASTContext cContext,
BridgedFeature feature) {
return cContext.unbridged().LangOpts.hasFeature((Feature)feature);
}
unsigned BridgedASTContext_majorLanguageVersion(BridgedASTContext cContext) {
return cContext.unbridged().LangOpts.EffectiveLanguageVersion[0];
}
bool BridgedASTContext_langOptsCustomConditionSet(BridgedASTContext cContext,
BridgedStringRef cName) {
ASTContext &ctx = cContext.unbridged();
auto name = cName.unbridged();
if (name.starts_with("$") && ctx.LangOpts.hasFeature(name.drop_front()))
return true;
return ctx.LangOpts.isCustomConditionalCompilationFlagSet(name);
}
bool BridgedASTContext_langOptsHasFeatureNamed(BridgedASTContext cContext,
BridgedStringRef cName) {
return cContext.unbridged().LangOpts.hasFeature(cName.unbridged());
}
bool BridgedASTContext_langOptsHasAttributeNamed(BridgedASTContext cContext,
BridgedStringRef cName) {
return hasAttribute(cContext.unbridged().LangOpts, cName.unbridged());
}
bool BridgedASTContext_langOptsIsActiveTargetOS(BridgedASTContext cContext,
BridgedStringRef cName) {
return cContext.unbridged().LangOpts.checkPlatformCondition(
PlatformConditionKind::OS, cName.unbridged());
}
bool BridgedASTContext_langOptsIsActiveTargetArchitecture(
BridgedASTContext cContext, BridgedStringRef cName) {
return cContext.unbridged().LangOpts.checkPlatformCondition(
PlatformConditionKind::Arch, cName.unbridged());
}
bool BridgedASTContext_langOptsIsActiveTargetEnvironment(
BridgedASTContext cContext, BridgedStringRef cName) {
return cContext.unbridged().LangOpts.checkPlatformCondition(
PlatformConditionKind::TargetEnvironment, cName.unbridged());
}
bool BridgedASTContext_langOptsIsActiveTargetRuntime(BridgedASTContext cContext,
BridgedStringRef cName) {
return cContext.unbridged().LangOpts.checkPlatformCondition(
PlatformConditionKind::Runtime, cName.unbridged());
}
bool BridgedASTContext_langOptsIsActiveTargetPtrAuth(BridgedASTContext cContext,
BridgedStringRef cName) {
return cContext.unbridged().LangOpts.checkPlatformCondition(
PlatformConditionKind::PtrAuth, cName.unbridged());
}
unsigned
BridgedASTContext_langOptsTargetPointerBitWidth(BridgedASTContext cContext) {
return cContext.unbridged().LangOpts.Target.isArch64Bit() ? 64
: cContext.unbridged().LangOpts.Target.isArch32Bit() ? 32
: cContext.unbridged().LangOpts.Target.isArch16Bit() ? 16
: 0;
}
bool BridgedASTContext_langOptsAttachCommentsToDecls(
BridgedASTContext cContext) {
return cContext.unbridged().LangOpts.AttachCommentsToDecls;
}
BridgedEndianness
BridgedASTContext_langOptsTargetEndianness(BridgedASTContext cContext) {
return cContext.unbridged().LangOpts.Target.isLittleEndian() ? EndianLittle
: EndianBig;
}
/// Convert an array of numbers into a form we can use in Swift.
namespace {
template <typename Arr>
SwiftInt convertArray(const Arr &array, SwiftInt **cElements) {
SwiftInt numElements = array.size();
*cElements = (SwiftInt *)malloc(sizeof(SwiftInt) * numElements);
for (SwiftInt i = 0; i != numElements; ++i)
(*cElements)[i] = array[i];
return numElements;
}
} // namespace
void deallocateIntBuffer(SwiftInt *_Nullable cComponents) { free(cComponents); }
SwiftInt
BridgedASTContext_langOptsGetLanguageVersion(BridgedASTContext cContext,
SwiftInt **cComponents) {
auto theVersion = cContext.unbridged().LangOpts.EffectiveLanguageVersion;
return convertArray(theVersion, cComponents);
}
SWIFT_NAME("BridgedASTContext.langOptsGetCompilerVersion(self:_:)")
SwiftInt
BridgedASTContext_langOptsGetCompilerVersion(BridgedASTContext cContext,
SwiftInt **cComponents) {
auto theVersion = version::Version::getCurrentLanguageVersion();
return convertArray(theVersion, cComponents);
}
SwiftInt BridgedASTContext_langOptsGetTargetAtomicBitWidths(
BridgedASTContext cContext, SwiftInt *_Nullable *_Nonnull cElements) {
return convertArray(cContext.unbridged().LangOpts.getAtomicBitWidthValues(),
cElements);
}
bool BridgedASTContext_canImport(BridgedASTContext cContext,
BridgedStringRef importPath,
BridgedSourceLoc canImportLoc,
BridgedCanImportVersion versionKind,
const SwiftInt *_Nullable versionComponents,
SwiftInt numVersionComponents) {
// Map the version.
llvm::VersionTuple version;
switch (numVersionComponents) {
case 0:
break;
case 1:
version = llvm::VersionTuple(versionComponents[0]);
break;
case 2:
version = llvm::VersionTuple(versionComponents[0], versionComponents[1]);
break;
case 3:
version = llvm::VersionTuple(versionComponents[0], versionComponents[1],
versionComponents[2]);
break;
default:
version = llvm::VersionTuple(versionComponents[0], versionComponents[1],
versionComponents[2], versionComponents[3]);
break;
}
ImportPath::Module::Builder builder(cContext.unbridged(),
importPath.unbridged(), /*separator=*/'.',
canImportLoc.unbridged());
return cContext.unbridged().canImportModule(
builder.get(), canImportLoc.unbridged(), version,
versionKind == CanImportUnderlyingVersion);
}
BridgedAvailabilityMacroMap
BridgedASTContext_getAvailabilityMacroMap(BridgedASTContext cContext) {
return &cContext.unbridged().getAvailabilityMacroMap();
}
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