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A metacompilation framework for Java using attribute grammars.
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# Copyright (c) 2013, 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.

ASTDecl.emitDefaultConstructor = [[
$if(JJTree)
  public #name.#name(int i) {
    super(i);
$if(#isASTNodeDecl)
    init$$Children();
$endif
    $FinalInit
  }

  public #name.#name($ParserName p, int i) {
    this(i);
    parser = p;
  }

  public #name.#name() {
    this(0);
  }
$else
  public #name.#name() {
    super();
$if(#isASTNodeDecl)
    init$$Children();
$endif
    $FinalInit
  }
$endif
]]

ASTDecl.emitChildInitMethod = [[
  /**
   * Initializes the child array to the correct size.
   * Initializes List and Opt nta children.
   * @apilevel internal
   * @ast method
   */
  public void #name.init$$Children() {
    $InitChildArray
    $ChildInit
  }
]]

OptDecl.constructor = [[
  public $Opt.$Opt(T opt) {
    $include(State.incHookConstructionStart)
    setChild(opt, 0);
    $include(State.incHookConstructionEnd)
  }
]]

# A list constructor that builds a list with all arguments
ListDecl.constructor = [[
  public $List.$List(T... initialChildren) {
    $include(State.incHookConstructionStart)
    children = new $ASTNode[initialChildren.length];
    $include(ASTDecl.incrementalInitChildHandlers)
    for (int i = 0; i < children.length; ++i) {
      addChild(initialChildren[i]);
    }
    $include(State.incHookConstructionEnd)
  }
]]