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(De-)serialization for foreign error conventions.

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Currently untestable (due to SILGen's inability to handle throwing
@objc methods), but testing will become trivial once that's in place.

Swift SVN r27294
This commit is contained in:
Doug Gregor
2015-04-14 22:57:44 +00:00
parent 9a36586377
commit 759346e5b8
6 changed files with 172 additions and 1 deletions
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49
lib/Serialization/Serialization.cpp
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@@ -15,6 +15,7 @@
#include "swift/AST/AST.h"
#include "swift/AST/ASTWalker.h"
#include "swift/AST/DiagnosticsCommon.h"
#include "swift/AST/ForeignErrorConvention.h"
#include "swift/AST/LinkLibrary.h"
#include "swift/AST/Mangle.h"
#include "swift/AST/RawComment.h"
@@ -1772,6 +1773,48 @@ void Serializer::writeLocalDeclContext(const DeclContext *DC) {
}
}
static ForeignErrorConventionKind getRawStableForeignErrorConventionKind(
ForeignErrorConvention::Kind kind) {
switch (kind) {
case ForeignErrorConvention::ZeroResult:
return ForeignErrorConventionKind::ZeroResult;
case ForeignErrorConvention::NonZeroResult:
return ForeignErrorConventionKind::NonZeroResult;
case ForeignErrorConvention::NilResult:
return ForeignErrorConventionKind::NilResult;
case ForeignErrorConvention::NonNilError:
return ForeignErrorConventionKind::NonNilError;
}
}
void Serializer::writeForeignErrorConvention(const ForeignErrorConvention &fec){
using namespace decls_block;
auto kind = getRawStableForeignErrorConventionKind(fec.getKind());
uint8_t isOwned = fec.isErrorOwned() == ForeignErrorConvention::IsOwned;
TypeID errorParameterTypeID = addTypeRef(fec.getErrorParameterType());
TypeID resultTypeID;
switch (fec.getKind()) {
case ForeignErrorConvention::ZeroResult:
case ForeignErrorConvention::NonZeroResult:
resultTypeID = addTypeRef(fec.getResultType());
break;
case ForeignErrorConvention::NilResult:
case ForeignErrorConvention::NonNilError:
resultTypeID = 0;
break;
}
auto abbrCode = DeclTypeAbbrCodes[ForeignErrorConventionLayout::Code];
ForeignErrorConventionLayout::emitRecord(Out, ScratchRecord, abbrCode,
static_cast<uint8_t>(kind),
isOwned,
fec.getErrorParameterIndex(),
errorParameterTypeID,
resultTypeID);
}
void Serializer::writeDecl(const Decl *D) {
using namespace decls_block;
@@ -2244,6 +2287,9 @@ void Serializer::writeDecl(const Decl *D) {
for (auto pattern : fn->getBodyParamPatterns())
writePattern(pattern);
if (auto errorConvention = fn->getForeignErrorConvention())
writeForeignErrorConvention(*errorConvention);
break;
}
@@ -2355,6 +2401,8 @@ void Serializer::writeDecl(const Decl *D) {
assert(ctor->getBodyParamPatterns().size() == 2);
for (auto pattern : ctor->getBodyParamPatterns())
writePattern(pattern);
if (auto errorConvention = ctor->getForeignErrorConvention())
writeForeignErrorConvention(*errorConvention);
break;
}
@@ -3046,6 +3094,7 @@ void Serializer::writeAllDeclsAndTypes() {
registerDeclTypeAbbr<GenericRequirementLayout>();
registerDeclTypeAbbr<LastGenericRequirementLayout>();
registerDeclTypeAbbr<ForeignErrorConventionLayout>();
registerDeclTypeAbbr<DeclContextLayout>();
registerDeclTypeAbbr<AbstractClosureExprLayout>();
registerDeclTypeAbbr<PatternBindingInitializerLayout>();