com.google.javascript.jscomp.deps

Class JsFunctionParser

java.lang.Object

com.google.javascript.jscomp.deps.JsFileLineParser

com.google.javascript.jscomp.deps.JsFunctionParser

@GwtIncompatible(value="java.util.regex")
public final class JsFunctionParser
extends JsFileLineParser

A parser that can extract dependency information from a .js file.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JsFunctionParser.SymbolInfo

Nested classes/interfaces inherited from class com.google.javascript.jscomp.deps.JsFileLineParser

JsFileLineParser.ParseException

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Collection<java.lang.String>	functionsToParse Functions to parse
private static java.util.logging.Logger	logger
private Matcher	matcher Matcher used in the parsing.
private Pattern	pattern Pattern for matching functions.
private java.util.Collection<JsFunctionParser.SymbolInfo>	symbols Symbols parsed.

Fields inherited from class com.google.javascript.jscomp.deps.JsFileLineParser

errorManager, filePath, lineNum, PARSE_ERROR, PARSE_WARNING, parseSucceeded, shortcutMode

Constructor Summary

Constructors

Constructor and Description
JsFunctionParser(java.util.Collection<java.lang.String> functions, ErrorManager errorManager) Constructor

Method Summary

Modifier and Type	Method and Description
private static Pattern	getPattern(java.util.Collection<java.lang.String> functions) Constructs a pattern to extract the arguments of the given functions.
java.util.Collection<JsFunctionParser.SymbolInfo>	parseFile(java.lang.String filePath, java.lang.String fileContents) Parses the given file and returns the dependency information that it contained.
protected boolean	parseLine(java.lang.String line) Parses a line of JavaScript, extracting dependency information.
private java.util.Collection<JsFunctionParser.SymbolInfo>	parseReader(java.lang.String filePath, java.io.Reader fileContents)

Methods inherited from class com.google.javascript.jscomp.deps.JsFileLineParser

didParseSucceed, doParse, parseJsString, parseJsStringArray, parseJsStringMap, setShortcutMode

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

private static java.util.logging.Logger logger

pattern

private Pattern pattern

Pattern for matching functions.

matcher

private Matcher matcher

Matcher used in the parsing.

symbols

private java.util.Collection<JsFunctionParser.SymbolInfo> symbols

Symbols parsed.

functionsToParse

private java.util.Collection<java.lang.String> functionsToParse

Functions to parse

Constructor Detail

JsFunctionParser

public JsFunctionParser(java.util.Collection<java.lang.String> functions,
                        ErrorManager errorManager)

Constructor

Parameters:

functions - Functions to parse.

errorManager - Handles parse errors.

Method Detail

getPattern

private static Pattern getPattern(java.util.Collection<java.lang.String> functions)

Constructs a pattern to extract the arguments of the given functions.

Parameters:

functions - Functions to parse.

Returns:

A pattern to extract functions' arguments.

parseFile

public java.util.Collection<JsFunctionParser.SymbolInfo> parseFile(java.lang.String filePath,
                                                                   java.lang.String fileContents)

Parses the given file and returns the dependency information that it contained.

Parameters:

filePath - Path to the file to parse.

fileContents - The contents to parse.

Returns:

A collection containing all symbols found in the file.

parseReader

private java.util.Collection<JsFunctionParser.SymbolInfo> parseReader(java.lang.String filePath,
                                                                      java.io.Reader fileContents)

parseLine

protected boolean parseLine(java.lang.String line)
                     throws JsFileLineParser.ParseException

Parses a line of JavaScript, extracting dependency information.

Specified by:

parseLine in class JsFileLineParser

Parameters:

line - The line to parse.

Returns:

true to keep going, false otherwise.

Throws:

JsFileLineParser.ParseException - Should be thrown to signify a problem with the line.