/*
* import
* : "import" ("namespace" ".")? SimpleName{"."} ("." "*" | "as" SimpleName)? SEMI?
* ;
*/
private void parseImportDirective() {
assert _at(IMPORT_KEYWORD);
PsiBuilder.Marker importDirective = mark();
advance(); // IMPORT_KEYWORD
PsiBuilder.Marker qualifiedName = mark();
if (at(PACKAGE_KEYWORD)) {
advance(); // PACKAGE_KEYWORD
expect(DOT, "Expecting '.'", TokenSet.create(IDENTIFIER, MUL, SEMICOLON));
}
PsiBuilder.Marker reference = mark();
expect(IDENTIFIER, "Expecting qualified name");
reference.done(REFERENCE_EXPRESSION);
while (at(DOT) && lookahead(1) != MUL) {
advance(); // DOT
reference = mark();
if (expect(
IDENTIFIER,
"Qualified name must be a '.'-separated identifier list",
IMPORT_RECOVERY_SET)) {
reference.done(REFERENCE_EXPRESSION);
} else {
reference.drop();
}
PsiBuilder.Marker precede = qualifiedName.precede();
qualifiedName.done(DOT_QUALIFIED_EXPRESSION);
qualifiedName = precede;
}
qualifiedName.drop();
if (at(DOT)) {
advance(); // DOT
assert _at(MUL);
advance(); // MUL
handleUselessRename();
}
if (at(AS_KEYWORD)) {
advance(); // AS_KEYWORD
expect(IDENTIFIER, "Expecting identifier", TokenSet.create(SEMICOLON));
}
consumeIf(SEMICOLON);
importDirective.done(IMPORT_DIRECTIVE);
}
