Review

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/mubench/checkouts/closure/319/build/src/com/google/javascript/jscomp/InstrumentFunctions.java

InstrumentFunctions(AbstractCompiler, FunctionNames, String, String, Readable)

class InstrumentFunctions {
  /**
   * Creates an intrument functions compiler pass.
   *
   * @param compiler          The JSCompiler
   * @param functionNames     Assigned function identifiers.
   * @param templateFilename  Template filename; for use during error
   *                          reporting only.
   * @param appNameStr        String to pass to appNameSetter.
   * @param readable          Instrumentation template protobuf text.
   */
  InstrumentFunctions(AbstractCompiler compiler,
                      FunctionNames functionNames,
                      String templateFilename,
                      String appNameStr,
                      Readable readable) {
    this.compiler = compiler;
    this.functionNames = functionNames;
    this.templateFilename = templateFilename;
    this.appNameStr = appNameStr;

    Instrumentation.Builder builder = Instrumentation.newBuilder();
    try {
      TextFormat.merge(readable, builder);
    } catch (IOException e) {
      compiler.report(JSError.make(RhinoErrorReporter.PARSE_ERROR,
          "Error reading instrumentation template protobuf at " +
          templateFilename));
      this.initCodeSource = "";
      this.definedFunctionName = "";
      this.reportFunctionName = "";
      this.reportFunctionExitName = "";
      this.appNameSetter = "";
      this.declarationsToRemove = Lists.newArrayList();
      return;
    }

    Instrumentation template = builder.build();

    StringBuilder initCodeSourceBuilder = new StringBuilder();
    for (String line : template.getInitList()) {
      initCodeSourceBuilder.append(line).append("\n");
    }
    this.initCodeSource = initCodeSourceBuilder.toString();

    this.definedFunctionName = template.getReportDefined();
    this.reportFunctionName = template.getReportCall();
    this.reportFunctionExitName = template.getReportExit();
    this.appNameSetter = template.getAppNameSetter();

    this.declarationsToRemove = ImmutableList.copyOf(
        template.getDeclarationToRemoveList());
  }

}