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//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
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package com.google.devtools.build.lib.packages;

/**
 * Represents a use of a symbolic macro in a package.
 *
 * <p>There is one {@code MacroInstance} for each call to a {@link
 * StarlarkRuleClassFunctions#MacroFunction} that is executed during a package's evaluation. Just as
 * a {@link MacroClass} is analogous to a {@link RuleClass}, {@code MacroInstance} is analogous to a
 * {@link Rule} (i.e. a rule target).
 */
public final class MacroInstance {

  private final MacroClass macroClass;
  private final String name;

  public MacroInstance(MacroClass macroClass, String name) {
    this.macroClass = macroClass;
    this.name = name;
  }

  /** Returns the {@link MacroClass} (i.e. schema info) that this instance parameterizes. */
  public MacroClass getMacroClass() {
    return macroClass;
  }

  /**
   * Returns the name of this instance, as given in the {@code name = ...} attribute in the calling
   * BUILD file or macro.
   */
  public String getName() {
    return name;
  }
}