Exemplo n.º 1
0
  /** Process a compilation unit already parsed and build. */
  public void process(CompilationUnitDeclaration unit, int i) {
    this.lookupEnvironment.unitBeingCompleted = unit;
    long parseStart = System.currentTimeMillis();

    this.parser.getMethodBodies(unit);

    long resolveStart = System.currentTimeMillis();
    this.stats.parseTime += resolveStart - parseStart;

    // fault in fields & methods
    if (unit.scope != null) unit.scope.faultInTypes();

    // verify inherited methods
    if (unit.scope != null) unit.scope.verifyMethods(this.lookupEnvironment.methodVerifier());

    // type checking
    unit.resolve();

    long analyzeStart = System.currentTimeMillis();
    this.stats.resolveTime += analyzeStart - resolveStart;

    // No need of analysis or generation of code if statements are not required
    if (!this.options.ignoreMethodBodies) unit.analyseCode(); // flow analysis

    long generateStart = System.currentTimeMillis();
    this.stats.analyzeTime += generateStart - analyzeStart;

    if (!this.options.ignoreMethodBodies) unit.generateCode(); // code generation

    // reference info
    if (this.options.produceReferenceInfo && unit.scope != null) unit.scope.storeDependencyInfo();

    // finalize problems (suppressWarnings)
    unit.finalizeProblems();

    this.stats.generateTime += System.currentTimeMillis() - generateStart;

    // refresh the total number of units known at this stage
    unit.compilationResult.totalUnitsKnown = this.totalUnits;

    this.lookupEnvironment.unitBeingCompleted = null;
  }
Exemplo n.º 2
0
  /**
   * Internal API used to resolve a given compilation unit. Can run a subset of the compilation
   * process
   */
  public CompilationUnitDeclaration resolve(
      CompilationUnitDeclaration unit,
      ICompilationUnit sourceUnit,
      boolean verifyMethods,
      boolean analyzeCode,
      boolean generateCode) {

    try {
      if (unit == null) {
        // build and record parsed units
        this.parseThreshold = 0; // will request a full parse
        beginToCompile(new ICompilationUnit[] {sourceUnit});
        // process all units (some more could be injected in the loop by the lookup environment)
        unit = this.unitsToProcess[0];
      } else {
        // initial type binding creation
        this.lookupEnvironment.buildTypeBindings(unit, null /*no access restriction*/);

        // binding resolution
        this.lookupEnvironment.completeTypeBindings();
      }
      this.lookupEnvironment.unitBeingCompleted = unit;
      this.parser.getMethodBodies(unit);
      if (unit.scope != null) {
        // fault in fields & methods
        unit.scope.faultInTypes();
        if (unit.scope != null && verifyMethods) {
          // http://dev.eclipse.org/bugs/show_bug.cgi?id=23117
          // verify inherited methods
          unit.scope.verifyMethods(this.lookupEnvironment.methodVerifier());
        }
        // type checking
        unit.resolve();

        // flow analysis
        if (analyzeCode) unit.analyseCode();

        // code generation
        if (generateCode) unit.generateCode();

        // finalize problems (suppressWarnings)
        unit.finalizeProblems();
      }
      if (this.unitsToProcess != null)
        this.unitsToProcess[0] = null; // release reference to processed unit declaration
      this.requestor.acceptResult(unit.compilationResult.tagAsAccepted());
      return unit;
    } catch (AbortCompilation e) {
      this.handleInternalException(e, unit);
      return unit == null ? this.unitsToProcess[0] : unit;
    } catch (Error e) {
      this.handleInternalException(e, unit, null);
      throw e; // rethrow
    } catch (RuntimeException e) {
      this.handleInternalException(e, unit, null);
      throw e; // rethrow
    } finally {
      // leave this.lookupEnvironment.unitBeingCompleted set to the unit, until another unit is
      // resolved
      // other calls to dom can cause classpath errors to be detected, resulting in AbortCompilation
      // exceptions

      // No reset is performed there anymore since,
      // within the CodeAssist (or related tools),
      // the compiler may be called *after* a call
      // to this resolve(...) method. And such a call
      // needs to have a compiler with a non-empty
      // environment.
      // this.reset();
    }
  }