org.mozilla.javascript.Parser.parse()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 JavaScript  
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本文整理了Java中org.mozilla.javascript.Parser.parse()方法的一些代码示例，展示了Parser.parse()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Parser.parse()方法的具体详情如下：
包路径：org.mozilla.javascript.Parser
类名称：Parser
方法名：parse

Parser.parse介绍

[英]Builds a parse tree from the given sourcereader.
[中]从给定的sourcereader构建解析树。

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

  1. public static ScriptNode parseVariables( Context cx, Scriptable scope, String source, String sourceName,
  2.   int lineno, Object securityDomain ) {
  3.   // Interpreter compiler = new Interpreter();
  4.   CompilerEnvirons evn = new CompilerEnvirons();
  5.   // evn.setLanguageVersion(Context.VERSION_1_5);
  6.   evn.setOptimizationLevel( -1 );
  7.   evn.setGeneratingSource( true );
  8.   evn.setGenerateDebugInfo( true );
  9.   ErrorReporter errorReporter = new ToolErrorReporter( false );
  10.   Parser p = new Parser( evn, errorReporter );
  11.   ScriptNode tree = p.parse( source, "", 0 ); // IOException
  12.   new NodeTransformer().transform( tree );
  13.   // Script result = (Script)compiler.compile(scope, evn, tree, p.getEncodedSource(),false, null);
  14.   return tree;
  15.  }
  16. }

代码示例来源：origin: pentaho/pentaho-kettle

  1. public static ScriptNode parseVariables( Context cx, Scriptable scope, String source, String sourceName,
  2.   int lineno, Object securityDomain ) {
  3.   // Interpreter compiler = new Interpreter();
  4.   CompilerEnvirons evn = new CompilerEnvirons();
  5.   // evn.setLanguageVersion(Context.VERSION_1_5);
  6.   evn.setOptimizationLevel( -1 );
  7.   evn.setGeneratingSource( true );
  8.   evn.setGenerateDebugInfo( true );
  9.   ErrorReporter errorReporter = new ToolErrorReporter( false );
  10.   Parser p = new Parser( evn, errorReporter );
  11.   ScriptNode tree = p.parse( source, "", 0 ); // IOException
  12.   new NodeTransformer().transform( tree );
  13.   // Script result = (Script)compiler.compile(scope, evn, tree, p.getEncodedSource(),false, null);
  14.   return tree;
  15.  }
  16. }

代码示例来源：origin: pmd/pmd

  1. protected AstRoot parseEcmascript(final String sourceCode, final List<ParseProblem> parseProblems)
  2.     throws ParseException {
  3.   final CompilerEnvirons compilerEnvirons = new CompilerEnvirons();
  4.   compilerEnvirons.setRecordingComments(parserOptions.isRecordingComments());
  5.   compilerEnvirons.setRecordingLocalJsDocComments(parserOptions.isRecordingLocalJsDocComments());
  6.   compilerEnvirons.setLanguageVersion(parserOptions.getRhinoLanguageVersion().getVersion());
  7.   // Scope's don't appear to get set right without this
  8.   compilerEnvirons.setIdeMode(true);
  9.   compilerEnvirons.setWarnTrailingComma(true);
  10.   // see bug #1150 "EmptyExpression" for valid statements!
  11.   compilerEnvirons.setReservedKeywordAsIdentifier(true);
  12.   // TODO We should do something with Rhino errors...
  13.   final ErrorCollector errorCollector = new ErrorCollector();
  14.   final Parser parser = new Parser(compilerEnvirons, errorCollector);
  15.   // TODO Fix hardcode
  16.   final String sourceURI = "unknown";
  17.   final int beginLineno = 1;
  18.   AstRoot astRoot = parser.parse(sourceCode, sourceURI, beginLineno);
  19.   parseProblems.addAll(errorCollector.getErrors());
  20.   return astRoot;
  21. }

代码示例来源：origin: rhino/js

  1. public ScriptOrFnNode parse(Reader sourceReader,
  2.               String sourceURI, int lineno)
  3.   throws IOException
  4. {
  5.   this.sourceURI = sourceURI;
  6.   this.ts = new TokenStream(this, sourceReader, null, lineno);
  7.   return parse();
  8. }

代码示例来源：origin: com.yahoo/yuicompressor

  1. public ScriptOrFnNode parse(String sourceString,
  2.               String sourceURI, int lineno)
  3. {
  4.   this.sourceURI = sourceURI;
  5.   this.ts = new TokenStream(this, null, sourceString, lineno);
  6.   try {
  7.     return parse();
  8.   } catch (IOException ex) {
  9.     // Should never happen
  10.     throw new IllegalStateException();
  11.   }
  12. }

代码示例来源：origin: com.sun.phobos/phobos-rhino

  1. public ScriptOrFnNode parse(Reader sourceReader,
  2.               String sourceURI, int lineno)
  3.   throws IOException
  4. {
  5.   this.sourceURI = sourceURI;
  6.   this.ts = new TokenStream(this, sourceReader, null, lineno);
  7.   return parse();
  8. }

代码示例来源：origin: com.yahoo/yuicompressor

  1. public ScriptOrFnNode parse(Reader sourceReader,
  2.               String sourceURI, int lineno)
  3.   throws IOException
  4. {
  5.   this.sourceURI = sourceURI;
  6.   this.ts = new TokenStream(this, sourceReader, null, lineno);
  7.   return parse();
  8. }

代码示例来源：origin: rhino/js

  1. public ScriptOrFnNode parse(String sourceString,
  2.               String sourceURI, int lineno)
  3. {
  4.   this.sourceURI = sourceURI;
  5.   this.ts = new TokenStream(this, null, sourceString, lineno);
  6.   try {
  7.     return parse();
  8.   } catch (IOException ex) {
  9.     // Should never happen
  10.     throw new IllegalStateException();
  11.   }
  12. }

代码示例来源：origin: com.sun.phobos/phobos-rhino

  1. public ScriptOrFnNode parse(String sourceString,
  2.               String sourceURI, int lineno)
  3. {
  4.   this.sourceURI = sourceURI;
  5.   this.ts = new TokenStream(this, null, sourceString, lineno);
  6.   try {
  7.     return parse();
  8.   } catch (IOException ex) {
  9.     // Should never happen
  10.     throw new IllegalStateException();
  11.   }
  12. }

代码示例来源：origin: ro.isdc.wro4j/rhino

  1. /**
  2.  * Builds a parse tree from the given sourcereader.
  3.  * @see #parse(String,String,int)
  4.  * @throws IOException if the {@link Reader} encounters an error
  5.  */
  6. public AstRoot parse(Reader sourceReader, String sourceURI, int lineno)
  7.   throws IOException
  8. {
  9.   if (parseFinished) throw new IllegalStateException("parser reused");
  10.   if (compilerEnv.isIdeMode()) {
  11.     return parse(readFully(sourceReader), sourceURI, lineno);
  12.   }
  13.   try {
  14.     this.sourceURI = sourceURI;
  15.     ts = new TokenStream(this, sourceReader, null, lineno);
  16.     return parse();
  17.   } finally {
  18.     parseFinished = true;
  19.   }
  20. }

代码示例来源：origin: geogebra/geogebra

  1. /**
  2.  * Builds a parse tree from the given sourcereader.
  3.  * @see #parse(String,String,int)
  4.  * @throws IOException if the {@link Reader} encounters an error
  5.  */
  6. public AstRoot parse(Reader sourceReader, String sourceURI, int lineno)
  7.   throws IOException
  8. {
  9.   if (parseFinished) throw new IllegalStateException("parser reused");
  10.   if (compilerEnv.isIdeMode()) {
  11.     return parse(readFully(sourceReader), sourceURI, lineno);
  12.   }
  13.   try {
  14.     this.sourceURI = sourceURI;
  15.     ts = new TokenStream(this, sourceReader, null, lineno);
  16.     return parse();
  17.   } finally {
  18.     parseFinished = true;
  19.   }
  20. }

代码示例来源：origin: com.github.tntim96/rhino

  1. /**
  2.  * Builds a parse tree from the given sourcereader.
  3.  * @see #parse(String,String,int)
  4.  * @throws IOException if the {@link Reader} encounters an error
  5.  */
  6. public AstRoot parse(Reader sourceReader, String sourceURI, int lineno)
  7.   throws IOException
  8. {
  9.   if (parseFinished) throw new IllegalStateException("parser reused");
  10.   if (compilerEnv.isIdeMode()) {
  11.     return parse(readFully(sourceReader), sourceURI, lineno);
  12.   }
  13.   try {
  14.     this.sourceURI = sourceURI;
  15.     ts = new TokenStream(this, sourceReader, null, lineno);
  16.     return parse();
  17.   } finally {
  18.     parseFinished = true;
  19.   }
  20. }

代码示例来源：origin: io.apigee/rhino

  1. /**
  2.  * Builds a parse tree from the given sourcereader.
  3.  * @see #parse(String,String,int)
  4.  * @throws IOException if the {@link Reader} encounters an error
  5.  */
  6. public AstRoot parse(Reader sourceReader, String sourceURI, int lineno)
  7.   throws IOException
  8. {
  9.   if (parseFinished) throw new IllegalStateException("parser reused");
  10.   if (compilerEnv.isIdeMode()) {
  11.     return parse(readFully(sourceReader), sourceURI, lineno);
  12.   }
  13.   try {
  14.     this.sourceURI = sourceURI;
  15.     ts = new TokenStream(this, sourceReader, null, lineno);
  16.     return parse();
  17.   } finally {
  18.     parseFinished = true;
  19.   }
  20. }

代码示例来源：origin: io.apigee/rhino

  1. /**
  2.  * Builds a parse tree from the given source string.
  3.  *
  4.  * @return an {@link AstRoot} object representing the parsed program.  If
  5.  * the parse fails, {@code null} will be returned.  (The parse failure will
  6.  * result in a call to the {@link ErrorReporter} from
  7.  * {@link CompilerEnvirons}.)
  8.  */
  9. public AstRoot parse(String sourceString, String sourceURI, int lineno)
  10. {
  11.   if (parseFinished) throw new IllegalStateException("parser reused");
  12.   this.sourceURI = sourceURI;
  13.   if (compilerEnv.isIdeMode()) {
  14.     this.sourceChars = sourceString.toCharArray();
  15.   }
  16.   this.ts = new TokenStream(this, null, sourceString, lineno);
  17.   try {
  18.     return parse();
  19.   } catch (IOException iox) {
  20.     // Should never happen
  21.     throw new IllegalStateException();
  22.   } finally {
  23.     parseFinished = true;
  24.   }
  25. }

代码示例来源：origin: geogebra/geogebra

  1. /**
  2.  * Builds a parse tree from the given source string.
  3.  *
  4.  * @return an {@link AstRoot} object representing the parsed program.  If
  5.  * the parse fails, {@code null} will be returned.  (The parse failure will
  6.  * result in a call to the {@link ErrorReporter} from
  7.  * {@link CompilerEnvirons}.)
  8.  */
  9. public AstRoot parse(String sourceString, String sourceURI, int lineno)
  10. {
  11.   if (parseFinished) throw new IllegalStateException("parser reused");
  12.   this.sourceURI = sourceURI;
  13.   if (compilerEnv.isIdeMode()) {
  14.     this.sourceChars = sourceString.toCharArray();
  15.   }
  16.   this.ts = new TokenStream(this, null, sourceString, lineno);
  17.   try {
  18.     return parse();
  19.   } catch (IOException iox) {
  20.     // Should never happen
  21.     throw new IllegalStateException();
  22.   } finally {
  23.     parseFinished = true;
  24.   }
  25. }

代码示例来源：origin: sonatype/nexus-public

  1. /**
  2.  * Scan the given file for class definitions and accumulate dependencies.
  3.  */
  4. private void scan(final File source) throws IOException {
  5.  log.debug("Scanning: " + source);
  6.  ErrorReporter errorReporter = new LogErrorReporter(log);
  7.  CompilerEnvirons env = new CompilerEnvirons();
  8.  env.setErrorReporter(errorReporter);
  9.  Parser parser = new Parser(env, errorReporter);
  10.  Reader reader = new BufferedReader(new FileReader(source));
  11.  try {
  12.   AstRoot root = parser.parse(reader, source.getAbsolutePath(), 0);
  13.   DependencyAccumulator visitor = new DependencyAccumulator(source);
  14.   root.visit(visitor);
  15.   // complain if no def was found in this source
  16.   if (visitor.current == null) {
  17.    log.warn("No class definition was found while processing: " + source);
  18.   }
  19.  }
  20.  finally {
  21.   reader.close();
  22.  }
  23. }

代码示例来源：origin: com.fifesoft/languagesupport

  1. public void parseScript(String scriptText, TypeDeclarationOptions options)
  2. {
  3.   if(scriptText != null && scriptText.length() > 0)
  4.   {
  5.     CompilerEnvirons env = JavaScriptParser.createCompilerEnvironment(new JavaScriptParser.JSErrorReporter(), provider.getLanguageSupport());
  6.     Parser parser = new Parser(env);
  7.     StringReader r = new StringReader(scriptText);
  8.     try {
  9.       AstRoot root = parser.parse(r, null, 0);
  10.       CodeBlock block = provider.iterateAstRoot(root, preProcessingCompletions, "", Integer.MAX_VALUE, options);
  11.       provider.recursivelyAddLocalVars(preProcessingCompletions, block, 0, null, false, true);
  12.     }
  13.     catch(IOException io) {
  14.       //ignore this
  15.     }
  16.   }
  17. }

代码示例来源：origin: GumTreeDiff/gumtree

  1. @Override
  2.   public TreeContext generate(Reader r) throws IOException {
  3.     CompilerEnvirons env = new CompilerEnvirons();
  4.     env.setRecordingLocalJsDocComments(true);
  5.     env.setAllowSharpComments(true);
  6.     env.setRecordingComments(true);
  7.     Parser p = new Parser(env);
  8.     AstRoot root = p.parse(r, null, 1);
  9.     RhinoTreeVisitor visitor = new RhinoTreeVisitor(root);
  10.     root.visitAll(visitor);
  11.     return visitor.getTree(root);
  12.   }
  13. }

代码示例来源：origin: com.fifesoft/languagesupport

  1. /**
  2.  * Compiles Text and resolves the type.
  3.  * e.g 
  4.  * "Hello World".length; //resolve as a Number
  5.  * 
  6.  * @param text to compile and resolve  
  7.  */
  8. @Override
  9. public JavaScriptType compileText(String text) throws IOException {
  10.   CompilerEnvirons env = JavaScriptParser.createCompilerEnvironment(new JavaScriptParser.JSErrorReporter(), provider.getLanguageSupport());
  11.   
  12.   String parseText = JavaScriptHelper.removeLastDotFromText(text);
  13.   
  14.   int charIndex = JavaScriptHelper.findIndexOfFirstOpeningBracket(parseText);
  15.   env.setRecoverFromErrors(true);
  16.   Parser parser = new Parser(env);
  17.   StringReader r = new StringReader(parseText);
  18.   AstRoot root = parser.parse(r, null, 0);
  19.   CompilerNodeVisitor visitor = new CompilerNodeVisitor(charIndex == 0);
  20.   root.visitAll(visitor);
  21.   return lastJavaScriptType;
  22. }

代码示例来源：origin: com.fifesoft/languagesupport

  1. /**
  2.  * Resolve node type to TypeDeclaration. Called instead of #compileText(String text) when document is already parsed
  3.  * @param text The node to resolve
  4.  * @return TypeDeclaration for node or null if not found.
  5.  */
  6. @Override
  7. public TypeDeclaration resolveParamNode(String text) throws IOException {
  8.   
  9.   if(text != null) {
  10.     CompilerEnvirons env = JavaScriptParser.createCompilerEnvironment(new JavaScriptParser.JSErrorReporter(), provider.getLanguageSupport());
  11.     
  12.     
  13.     int charIndex = JavaScriptHelper.findIndexOfFirstOpeningBracket(text);
  14.     env.setRecoverFromErrors(true);
  15.     Parser parser = new Parser(env);
  16.     StringReader r = new StringReader(text);
  17.     AstRoot root = parser.parse(r, null, 0);
  18.     CompilerNodeVisitor visitor = new CompilerNodeVisitor(charIndex == 0);
  19.     root.visitAll(visitor);
  20.   }
  21.   
  22.   return lastJavaScriptType != null ? lastJavaScriptType.getType()
  23.       : provider.getTypesFactory().getDefaultTypeDeclaration();
  24. }

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