Java Parser.parse方法代码示例

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
private AstRoot parse(String string, boolean jsdoc) {
    CompilerEnvirons environment = new CompilerEnvirons();

    TestErrorReporter testErrorReporter = new TestErrorReporter(null, null);
    environment.setErrorReporter(testErrorReporter);

    environment.setRecordingComments(true);
    environment.setRecordingLocalJsDocComments(jsdoc);

    Parser p = new Parser(environment, testErrorReporter);
    AstRoot script = p.parse(string, null, 0);

    assertTrue(testErrorReporter.hasEncounteredAllErrors());
    assertTrue(testErrorReporter.hasEncounteredAllWarnings());

    return script;
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
private AstRoot parseAsReader(String string) throws IOException {
    CompilerEnvirons environment = new CompilerEnvirons();

    TestErrorReporter testErrorReporter = new TestErrorReporter(null, null);
    environment.setErrorReporter(testErrorReporter);

    environment.setRecordingComments(true);
    environment.setRecordingLocalJsDocComments(true);

    Parser p = new Parser(environment, testErrorReporter);
    AstRoot script = p.parse(new StringReader(string), null, 0);

    assertTrue(testErrorReporter.hasEncounteredAllErrors());
    assertTrue(testErrorReporter.hasEncounteredAllWarnings());

    return script;
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
@Test
public void testNodeReplacementInWhileLoopWithBrackets() throws IOException {
    String script = "var o = {\n" +
            "  _x: 123, \n" +
            "  get x() {\n" +
            "    return this._x;\n" +
            "  }\n" +
            ", \n" +
            "  set x(value) {\n" +
            "    this._x = value;\n" +
            "  }\n" +
            "};\n";

    Parser parser = new Parser(environment);
    AstRoot astRoot = parser.parse(new StringReader(script), null, 1);
    assertEquals(script, astRoot.toSource());
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
/**
 * Compiles {@code source} and returns the transformed and optimized
 * {@link ScriptNode}
 */
protected ScriptNode compile(CharSequence source) {
    final String mainMethodClassName = "Main";
    final String scriptClassName = "Main";

    CompilerEnvirons compilerEnv = new CompilerEnvirons();
    compilerEnv.initFromContext(cx);
    Parser p = new Parser(compilerEnv);
    AstRoot ast = p.parse(source.toString(), "<eval>", 1);
    IRFactory irf = new IRFactory(compilerEnv);
    ScriptNode tree = irf.transformTree(ast);

    Codegen codegen = new Codegen();
    codegen.setMainMethodClass(mainMethodClassName);
    codegen.compileToClassFile(compilerEnv, scriptClassName, tree, tree.getEncodedSource(),
            false);

    return tree;
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
/**
 * Compiles {@code source} and returns the transformed and optimized
 * {@link ScriptNode}
 */
protected ScriptNode compile(CharSequence source) {
    final String mainMethodClassName = "Main";
    final String scriptClassName = "Main";

    CompilerEnvirons compilerEnv = new CompilerEnvirons();
    compilerEnv.initFromContext(cx);
    ErrorReporter compilationErrorReporter = compilerEnv
            .getErrorReporter();
    Parser p = new Parser(compilerEnv, compilationErrorReporter);
    AstRoot ast = p.parse(source.toString(), "<eval>", 1);
    IRFactory irf = new IRFactory(compilerEnv);
    ScriptNode tree = irf.transformTree(ast);

    Codegen codegen = new Codegen();
    codegen.setMainMethodClass(mainMethodClassName);
    codegen.compileToClassFile(compilerEnv, scriptClassName, tree,
            tree.getEncodedSource(), false);

    return tree;
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
/**
 * @return a tree representation of the parsed JavaScript file
 * @throws IOException
 */
public ScriptOrFnNode parse() throws IOException {

  if (nodeTree == null) {
    Reader reader = new FileReader(jsFile);

    CompilerEnvirons compilerEnv = new CompilerEnvirons();
    ErrorReporter errorReporter = compilerEnv.getErrorReporter();

    Parser parser = new Parser(compilerEnv, errorReporter);

    String sourceURI;

    try {
      sourceURI = jsFile.getCanonicalPath();
    } catch (IOException e) {
      sourceURI = jsFile.toString();
    }

    nodeTree = parser.parse(reader, sourceURI, 1);
  }
  return nodeTree;
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
/**
 * Scan the given file for class definitions and accumulate dependencies.
 */
private void scan(final File source) throws IOException {
  log.debug("Scanning: " + source);

  ErrorReporter errorReporter = new LogErrorReporter(log);

  CompilerEnvirons env = new CompilerEnvirons();
  env.setErrorReporter(errorReporter);

  Parser parser = new Parser(env, errorReporter);
  Reader reader = new BufferedReader(new FileReader(source));
  try {
    AstRoot root = parser.parse(reader, source.getAbsolutePath(), 0);
    DependencyAccumulator visitor = new DependencyAccumulator(source);
    root.visit(visitor);

    // complain if no def was found in this source
    if (visitor.current == null) {
      log.warn("No class definition was found while processing: " + source);
    }
  }
  finally {
    reader.close();
  }
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
public void parseScript(String scriptText, TypeDeclarationOptions options)
{
	if(scriptText != null && scriptText.length() > 0)
	{
		CompilerEnvirons env = JavaScriptParser.createCompilerEnvironment(new JavaScriptParser.JSErrorReporter(), provider.getLanguageSupport());
		Parser parser = new Parser(env);
		StringReader r = new StringReader(scriptText);
		try {
			AstRoot root = parser.parse(r, null, 0);
			CodeBlock block = provider.iterateAstRoot(root, preProcessingCompletions, "", Integer.MAX_VALUE, options);
			provider.recursivelyAddLocalVars(preProcessingCompletions, block, 0, null, false, true);
		}
		catch(IOException io) {
			//ignore this
		}
	}
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
/**
 * Compiles Text and resolves the type.
 * e.g 
 * "Hello World".length; //resolve as a Number
 * 
 * @param text to compile and resolve  
 */
@Override
public JavaScriptType compileText(String text) throws IOException {
	CompilerEnvirons env = JavaScriptParser.createCompilerEnvironment(new JavaScriptParser.JSErrorReporter(), provider.getLanguageSupport());
	
	String parseText = JavaScriptHelper.removeLastDotFromText(text);
	
	int charIndex = JavaScriptHelper.findIndexOfFirstOpeningBracket(parseText);
	env.setRecoverFromErrors(true);
	Parser parser = new Parser(env);
	StringReader r = new StringReader(parseText);
	AstRoot root = parser.parse(r, null, 0);
	CompilerNodeVisitor visitor = new CompilerNodeVisitor(charIndex == 0);
	root.visitAll(visitor);
	return lastJavaScriptType;
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
/**
 * Resolve node type to TypeDeclaration. Called instead of #compileText(String text) when document is already parsed
 * @param node AstNode to resolve
 * @return TypeDeclaration for node or null if not found.
 */
@Override
public TypeDeclaration resolveParamNode(String text) throws IOException {
	
	if(text != null) {
		CompilerEnvirons env = JavaScriptParser.createCompilerEnvironment(new JavaScriptParser.JSErrorReporter(), provider.getLanguageSupport());
		
		
		int charIndex = JavaScriptHelper.findIndexOfFirstOpeningBracket(text);
		env.setRecoverFromErrors(true);
		Parser parser = new Parser(env);
		StringReader r = new StringReader(text);
		AstRoot root = parser.parse(r, null, 0);
		CompilerNodeVisitor visitor = new CompilerNodeVisitor(charIndex == 0);
		root.visitAll(visitor);
	}
	
	return lastJavaScriptType != null ? lastJavaScriptType.getType()
			: provider.getTypesFactory().getDefaultTypeDeclaration();
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
private AstRoot parse(CharSequence cs) {
    CompilerEnvirons compilerEnv = new CompilerEnvirons();
    compilerEnv.initFromContext(cx);
    ErrorReporter compilationErrorReporter = compilerEnv.getErrorReporter();
    Parser p = new Parser(compilerEnv, compilationErrorReporter);
    return p.parse(cs.toString(), "<eval>", 1);
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
/**
 * Asserts that the value returned by {@link AstRoot#toSource()} after
 * the given input source was parsed equals the specified expected output source.
 *
 * @param source the JavaScript source to be parsed
 * @param expectedOutput the JavaScript source that is expected to be
 *                       returned by {@link AstRoot#toSource()}
 */
private void assertSource(String source, String expectedOutput)
{
    CompilerEnvirons env = new CompilerEnvirons();
    env.setLanguageVersion(Context.VERSION_1_7);
    Parser parser = new Parser(env);
    AstRoot root = parser.parse(source, null, 0);
    Assert.assertEquals(expectedOutput, root.toSource());
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
private void assertSource(String source, String expectedOutput) {
  CompilerEnvirons env = new CompilerEnvirons();
  env.setLanguageVersion(Context.VERSION_ES6);
  Parser parser = new Parser(env);
  AstRoot root = parser.parse(source, null, 0);
  Assert.assertEquals(expectedOutput, root.toSource());
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
private AstRoot parse(
    String string, final String [] errors, final String [] warnings,
    boolean jsdoc) {
    TestErrorReporter testErrorReporter =
        new TestErrorReporter(errors, warnings) {
      @Override
      public EvaluatorException runtimeError(
           String message, String sourceName, int line, String lineSource,
           int lineOffset) {
         if (errors == null) {
           throw new UnsupportedOperationException();
         }
         return new EvaluatorException(
           message, sourceName, line, lineSource, lineOffset);
       }
    };
    environment.setErrorReporter(testErrorReporter);

    environment.setRecordingComments(true);
    environment.setRecordingLocalJsDocComments(jsdoc);

    Parser p = new Parser(environment, testErrorReporter);
    AstRoot script = null;
    try {
      script = p.parse(string, null, 0);
    } catch (EvaluatorException e) {
      if (errors == null) {
        // EvaluationExceptions should not occur when we aren't expecting
        // errors.
        throw e;
      }
    }

    assertTrue(testErrorReporter.hasEncounteredAllErrors());
    assertTrue(testErrorReporter.hasEncounteredAllWarnings());

    return script;
}
 

import org.mozilla.javascript.Parser; //导入方法依赖的package包/类
private AstRoot parseAsReader(String string) throws IOException {
    TestErrorReporter testErrorReporter = new TestErrorReporter(null, null);
    environment.setErrorReporter(testErrorReporter);

    environment.setRecordingComments(true);
    environment.setRecordingLocalJsDocComments(true);

    Parser p = new Parser(environment, testErrorReporter);
    AstRoot script = p.parse(new StringReader(string), null, 0);

    assertTrue(testErrorReporter.hasEncounteredAllErrors());
    assertTrue(testErrorReporter.hasEncounteredAllWarnings());

    return script;
}