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Introduce special decl names

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Special DeclNames represent names that do not have an identifier in the
surface language. This implies serializing the information about whether
a name is special together with its identifier (if it is not special)
in both the module file and the swift lookup table.
This commit is contained in:
Alex Hoppen
2017-05-30 19:43:28 +02:00
parent 2e512cb7fe
commit f8c2692f79
29 changed files with 424 additions and 151 deletions
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27
tools/swift-api-digester/swift-api-digester.cpp
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@@ -1091,13 +1091,30 @@ static bool isFunctionTypeNoEscape(Type Ty) {
return false;
}
/// Converts a DeclBaseName to a string by assigning special names strings and
/// escaping identifiers that would clash with these strings using '`'
static StringRef getEscapedName(DeclBaseName name) {
switch (name.getKind()) {
case DeclBaseName::Kind::Subscript:
return "subscript";
case DeclBaseName::Kind::Normal:
return llvm::StringSwitch<StringRef>(name.getIdentifier().str())
.Case("subscript", "`subscript`")
.Default(name.getIdentifier().str());
}
}
static StringRef getPrintedName(SDKContext &Ctx, ValueDecl *VD) {
llvm::SmallString<32> Result;
if (auto FD = dyn_cast<AbstractFunctionDecl>(VD)) {
auto DM = FD->getFullName();
// TODO: Handle special names
Result.append(DM.getBaseName().empty() ? "_" :DM.getBaseIdentifier().str());
if (DM.getBaseName().empty()) {
Result.append("_");
} else {
Result.append(getEscapedName(DM.getBaseName()));
}
Result.append("(");
for (auto Arg : DM.getArgumentNames()) {
Result.append(Arg.empty() ? "_" : Arg.str());
@@ -1107,8 +1124,7 @@ static StringRef getPrintedName(SDKContext &Ctx, ValueDecl *VD) {
return Ctx.buffer(Result.str());
}
auto DM = VD->getFullName();
// TODO: Handle special names
Result.append(DM.getBaseIdentifier().str());
Result.append(getEscapedName(DM.getBaseName()));
return Ctx.buffer(Result.str());
}
@@ -1147,9 +1163,8 @@ SDKNodeInitInfo::SDKNodeInitInfo(SDKContext &Ctx, Type Ty) :
TypeAttrs.push_back(TypeAttrKind::TAK_noescape);
}
// TODO: Handle special names
SDKNodeInitInfo::SDKNodeInitInfo(SDKContext &Ctx, ValueDecl *VD) : Ctx(Ctx),
Name(VD->hasName() ? VD->getBaseName().getIdentifier().str() : Ctx.buffer("_")),
Name(VD->hasName() ? getEscapedName(VD->getBaseName()) : Ctx.buffer("_")),
PrintedName(getPrintedName(Ctx, VD)), DKind(VD->getKind()),
USR(calculateUsr(Ctx, VD)), Location(calculateLocation(Ctx, VD)),
ModuleName(VD->getModuleContext()->getName().str()),