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A metacompilation framework for Java using attribute grammars.
There is a newer version: 2.3.6
# Copyright (c) 2014, The JastAdd Team
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the Lund University nor the names of its
#       contributors may be used to endorse or promote products derived from
#       this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# This template file contains declarations for annotations 

# Annotation declaration
ASTNodeAnnotation = [[
$if(generateAnnotations)
public class ASTNodeAnnotation {
  @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
  @java.lang.annotation.Target(java.lang.annotation.ElementType.METHOD)
  @java.lang.annotation.Documented
  public @interface Child {
    String name();
  }
  
  @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
  @java.lang.annotation.Target(java.lang.annotation.ElementType.METHOD)
  @java.lang.annotation.Documented
  public @interface ListChild {
    String name();
  }
  
  @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
  @java.lang.annotation.Target(java.lang.annotation.ElementType.METHOD)
  @java.lang.annotation.Documented
  public @interface OptChild {
    String name();
  }
  
  @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
  @java.lang.annotation.Target(java.lang.annotation.ElementType.METHOD)
  @java.lang.annotation.Documented
  public @interface Token {
    String name();
  }
  
  @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
  @java.lang.annotation.Target(java.lang.annotation.ElementType.METHOD)
  @java.lang.annotation.Documented
  public @interface Attribute {
    Kind kind();
    boolean isCircular() default false;
    boolean isNTA() default false;
  }
  public enum Kind { SYN, INH, COLL }

  @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
  @java.lang.annotation.Target(java.lang.annotation.ElementType.METHOD)
  @java.lang.annotation.Documented
  public @interface Source {
    String aspect() default "";
    String declaredAt() default "";
  }
}
$endif
]]

# Annotations
AttrDecl.generatedAnnotations = [[
$if(generateAnnotations)
@ASTNodeAnnotation.Attribute(#attributeAnnotationValue)
@ASTNodeAnnotation.Source(aspect="#getAspectName", declaredAt="#sourceLocation")
$endif]]

AggregateComponent.generatedAnnotations = [[
$if(generateAnnotations)
@ASTNodeAnnotation.Child(name="$Name")
$endif]]

ListComponent.generatedAnnotations = [[
$if(generateAnnotations)
@ASTNodeAnnotation.ListChild(name="$Name")
$endif]]

OptionalComponent.generatedAnnotations = [[
$if(generateAnnotations)
@ASTNodeAnnotation.OptChild(name="$Name")
$endif]]

TokenComponent.generatedAnnotations = [[
$if(generateAnnotations)
@ASTNodeAnnotation.Token(name="$Id")
$endif]]