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Dynamic scripting for the JVM

There is a newer version: 1.4.6

package org.snapscript.compile.validate;

import static org.snapscript.core.Reserved.ENUM_NAME;
import static org.snapscript.core.Reserved.ENUM_ORDINAL;
import static org.snapscript.core.Reserved.ENUM_VALUES;
import static org.snapscript.core.Reserved.TYPE_CLASS;
import static org.snapscript.core.Reserved.TYPE_THIS;

import org.snapscript.core.InternalStateException;
import org.snapscript.core.Type;
import org.snapscript.core.convert.ConstraintMatcher;
import org.snapscript.core.property.Property;
import org.snapscript.tree.ModifierValidator;

public class PropertyValidator {
   
   private final ModifierValidator validator;
   private final String[] ignores;
   
   public PropertyValidator(ConstraintMatcher matcher) {
      this(matcher, TYPE_CLASS, TYPE_THIS, ENUM_NAME, ENUM_ORDINAL, ENUM_VALUES);
   }
   
   public PropertyValidator(ConstraintMatcher matcher, String... ignores) {
      this.validator = new ModifierValidator();
      this.ignores = ignores;
   }
   
   public void validate(Property property) throws Exception {
      Type type = property.getType();
      String name = property.getName();
      int modifiers = property.getModifiers();
      int matches = 0;
      
      for(String ignore : ignores) {
         if(ignore.equals(name)) {
            matches++;
         }
      }
      if(matches == 0) {
         if(type == null) {
            throw new InternalStateException("Property '" + property + "' does not have a type");
         }
         validator.validate(type, property, modifiers);
      }
   }
   
}