TEST(TestDeclaration, testImportKind_Var)
{
PARSE_STATEMENT(L"import var Foundation.NSFileManager");
ImportPtr import;
ASSERT_NOT_NULL(import = std::dynamic_pointer_cast<Import>(root));
ASSERT_EQ(L"Foundation.NSFileManager", import->getPath());
ASSERT_EQ(Import::Var, import->getKind());
}
TEST(TestDeclaration, testImportSubModule)
{
PARSE_STATEMENT(L"import Foundation.SubModule");
ImportPtr import;
ASSERT_NOT_NULL(import = std::dynamic_pointer_cast<Import>(root));
ASSERT_EQ(L"Foundation.SubModule", import->getPath());
ASSERT_EQ(Import::_, import->getKind());
}
void loadDependent(ModulePtr m, vector<string> *sourceFiles, ImportPtr dependent, bool verbose) {
ImportPtr x = dependent;
x->module = loadModuleByName(x->dottedName, sourceFiles, verbose);
switch (x->importKind) {
case IMPORT_MODULE : {
ImportModule *im = (ImportModule *)x.ptr();
IdentifierPtr name = NULL;
if (im->alias.ptr()) {
name = im->alias;
m->importedModuleNames[im->alias->str].module = x->module;
} else {
llvm::ArrayRef<IdentifierPtr> parts = im->dottedName->parts;
if (parts.size() == 1)
name = parts[0];
else if (x->visibility == PUBLIC)
error(x->location,
"public imports of dotted module paths must have an \"as <name>\" alias");
llvm::StringMap<ModuleLookup> *node = &m->importedModuleNames;
for (size_t i = parts.size() - 1; i >= 1; --i) {
node = &(*node)[parts[i]->str].parents;
}
(*node)[parts[0]->str].module = x->module;
}
if (name.ptr()) {
string nameStr(name->str.begin(), name->str.end());
if (m->importedNames.count(nameStr))
error(name, "name imported already: " + nameStr);
m->importedNames.insert(nameStr);
m->allSymbols[nameStr].insert(x->module.ptr());
if (x->visibility == PUBLIC)
m->publicSymbols[nameStr].insert(x->module.ptr());
}
break;
}
case IMPORT_STAR :
break;
case IMPORT_MEMBERS : {
ImportMembers *y = (ImportMembers *)x.ptr();
for (unsigned i = 0; i < y->members.size(); ++i) {
ImportedMember &z = y->members[i];
IdentifierPtr alias = z.alias.ptr() ? z.alias : z.name;
string aliasStr(alias->str.begin(), alias->str.end());
if (m->importedNames.count(aliasStr))
error(alias, "name imported already: " + aliasStr);
assert(y->aliasMap.count(aliasStr) == 0);
m->importedNames.insert(aliasStr);
y->aliasMap[aliasStr] = z.name;
}
break;
}
default :
assert(false);
}
}
/*
GRAMMAR OF AN IMPORT DECLARATION
import-declaration → attributesoptimportimport-kindoptimport-path
import-kind → typealias struct class enum protocol var func
import-path → import-path-identifier | import-path-identifier.import-path
import-path-identifier → identifier | operator”
*/
DeclarationPtr Parser::parseImport(const std::vector<AttributePtr>& attrs)
{
Token token;
expect(Keyword::Import, token);
ImportPtr ret = nodeFactory->createImport(token.state);
ret->setAttributes(attrs);
expect_next(token);
tassert(token, token.type == TokenType::Identifier, Errors::E_EXPECT_IDENTIFIER_1, token.token);
Import::Kind kind = Import::_;
switch(token.identifier.keyword)
{
case Keyword::_:
restore(token);
break;
case Keyword::Typealias:
kind = Import::Typealias;
break;
case Keyword::Struct:
kind = Import::Struct;
break;
case Keyword::Class:
kind = Import::Class;
break;
case Keyword::Enum:
kind = Import::Enum;
break;
case Keyword::Protocol:
kind = Import::Protocol;
break;
case Keyword::Var:
kind = Import::Var;
break;
case Keyword::Func:
kind = Import::Func;
break;
default:
unexpected(token);
break;
}
std::wstring path;
int n = 0;
do
{
expect_next(token);
if(token.type != TokenType::Identifier && token.type != TokenType::Operator)
unexpected(token);
if(n)
path += L".";
path += token.token;
n++;
} while (match(L"."));
ret->setPath(path);
ret->setKind(kind);
return ret;
}
static void loadDependents(ModulePtr m, vector<string> *sourceFiles) {
m->rootHolder = new ModuleHolder();
m->publicRootHolder = new ModuleHolder();
vector<ImportPtr>::iterator ii, iend;
for (ii = m->imports.begin(), iend = m->imports.end(); ii != iend; ++ii) {
ImportPtr x = *ii;
x->module = loadModuleByName(x->dottedName, sourceFiles);
switch (x->importKind) {
case IMPORT_MODULE : {
ImportModule *y = (ImportModule *)x.ptr();
{
ModuleHolderPtr holder = m->rootHolder;
if (y->alias.ptr()) {
holder = installHolder(holder, y->alias);
}
else {
vector<IdentifierPtr> &parts = y->dottedName->parts;
for (unsigned i = 0; i < parts.size(); ++i)
holder = installHolder(holder, parts[i]);
}
if (holder->import.ptr())
error(x, "module already imported");
holder->import = y;
}
if (y->visibility == PUBLIC) {
ModuleHolderPtr holder = m->publicRootHolder;
if (y->alias.ptr()) {
holder = installHolder(holder, y->alias);
}
else {
vector<IdentifierPtr> &parts = y->dottedName->parts;
for (unsigned i = 0; i < parts.size(); ++i)
holder = installHolder(holder, parts[i]);
}
if (holder->import.ptr())
error(x, "module already imported");
holder->import = y;
}
break;
}
case IMPORT_STAR : {
break;
}
case IMPORT_MEMBERS : {
ImportMembers *y = (ImportMembers *)x.ptr();
for (unsigned i = 0; i < y->members.size(); ++i) {
ImportedMember &z = y->members[i];
IdentifierPtr alias = z.alias;
if (!alias)
alias = z.name;
if (y->aliasMap.count(alias->str))
error(alias, "name imported already: " + alias->str);
y->aliasMap[alias->str] = z.name;
}
break;
}
default :
assert(false);
}
}
}