import org.simantics.scl.compiler.elaboration.expressions.EStringLiteral;
import org.simantics.scl.compiler.elaboration.expressions.EVar;
import org.simantics.scl.compiler.elaboration.expressions.Expression;
+import org.simantics.scl.compiler.errors.ErrorLog;
+import org.simantics.scl.compiler.internal.parsing.declarations.DAnnotationAst;
public class AnnotationUtils {
+ /**
+ * Processes an annotation of form
+ * <pre>@Annotation "text"</pre>
+ * or
+ * <pre>@Annotation text</pre>
+ */
+ public static String processStringAnnotation(ErrorLog errorLog, DAnnotationAst annotation) {
+ if(annotation.parameters.length != 1)
+ errorLog.log(annotation.location, "Expected one string parameter for " + annotation.id.text);
+ String result = extractString(annotation.parameters[0]);
+ if(result == null)
+ errorLog.log(annotation.location, "Expected a string parameter for " + annotation.id.text);
+ return result;
+ }
+
+ public static void processTagAnnotation(ErrorLog errorLog, DAnnotationAst annotation) {
+ if(annotation.parameters.length != 0)
+ errorLog.log(annotation.location, "Expected no parameters for " + annotation.id.text);
+ }
+
public static String extractString(Expression expression) {
if(expression instanceof EVar)
return ((EVar)expression).name;