Method invoke

src/jvm/clojure/lang/LispReader.java:650–747

(Object reader, Object colon, Object opts, Object pendingForms)

// ::a{:c 1}  => {:a.b/c 1}  (where a is aliased to a.b)
public static class NamespaceMapReader extends AFn{
	public Object invoke(Object reader, Object colon, Object opts, Object pendingForms) {
		PushbackReader r = (PushbackReader) reader;

		boolean auto = false;
		int autoChar = read1(r);
		if(autoChar == ':')
			auto = true;
		else
		    unread(r, autoChar);

		Object sym = null;
		int nextChar = read1(r);
		if(isWhitespace(nextChar)) {  // the #:: { } case or an error
			if(auto) {
				while (isWhitespace(nextChar))
					nextChar = read1(r);
				if(nextChar != '{') {
					unread(r, nextChar);
					throw Util.runtimeException("Namespaced map must specify a namespace");
				}
			} else {
				unread(r, nextChar);
				throw Util.runtimeException("Namespaced map must specify a namespace");
			}
		} else if(nextChar != '{') {  // #:foo { } or #::foo { }
			unread(r, nextChar);
			sym = read(r, true, null, false, opts, pendingForms);
			nextChar = read1(r);
			while(isWhitespace(nextChar))
				nextChar = read1(r);
		}
		if(nextChar != '{')
			throw Util.runtimeException("Namespaced map must specify a map");

		// Resolve autoresolved ns
		String ns;
		if (auto) {
            Resolver resolver = (Resolver) RT.READER_RESOLVER.deref();
			if (sym == null) {
                if(resolver != null)
                    ns = resolver.currentNS().name;
                else
				    ns = Compiler.currentNS().getName().getName();
			} else if (!(sym instanceof Symbol) || ((Symbol)sym).getNamespace() != null) {
				throw Util.runtimeException("Namespaced map must specify a valid namespace: " + sym);
			} else {
				Symbol resolvedNS;
				if (resolver != null)
                    resolvedNS = resolver.resolveAlias((Symbol) sym);
				else{
                    Namespace rns = Compiler.currentNS().lookupAlias((Symbol)sym);
                    resolvedNS = rns != null?rns.getName():null;
                }

				if(resolvedNS == null) {
					throw Util.runtimeException("Unknown auto-resolved namespace alias: " + sym);
				} else {
					ns = resolvedNS.getName();