+++ /dev/null
-/* *******************************************************************
- * Copyright (c) 1999-2001 Xerox Corporation,
- * 2002 Palo Alto Research Center, Incorporated (PARC).
- * All rights reserved.
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Xerox/PARC initial implementation
- * ******************************************************************/
-
-
-
-package org.aspectj.util;
-
-import java.util.*;
-import java.io.*;
-
-public class ConfigParser {
- Location location;
- protected File relativeDirectory = null;
- protected List files = new LinkedList();
- private boolean fileParsed = false;
- protected static String CONFIG_MSG = "build config error: ";
-
- public List getFiles() { return files; }
-
- public void parseCommandLine(String[] argsArray) throws ParseException {
- location = new CommandLineLocation();
- LinkedList args = new LinkedList();
- for (int i = 0; i < argsArray.length; i++) {
- args.add(new Arg(argsArray[i], location));
- }
- parseArgs(args);
- }
-
- public void parseConfigFile(File configFile) throws ParseException {
- if (fileParsed == true) {
- throw new ParseException(CONFIG_MSG + "The file has already been parsed.", null);
- } else {
- parseConfigFileHelper(configFile);
- }
- }
-
- /**
- * @throws ParseException if the config file has already been prased.
- */
- private void parseConfigFileHelper(File configFile) {
- if (!configFile.exists()) {
- showError("file does not exist: " + configFile.getPath());
- return;
- }
-
- LinkedList args = new LinkedList();
- int lineNum = 0;
-
- try {
- BufferedReader stream =
- new BufferedReader(new FileReader(configFile));
- String line = null;
- while ( (line = stream.readLine()) != null) {
- lineNum += 1;
- line = stripWhitespaceAndComments(line);
- if (line.length() == 0) continue;
- args.add(new Arg(line, new SourceLocation(configFile, lineNum)));
- }
- stream.close();
- } catch (IOException e) {
- location = new SourceLocation(configFile, lineNum);
- showError("error reading config file: " + e.toString());
- }
- File oldRelativeDirectory = relativeDirectory; // for nested arg files;
- relativeDirectory = configFile.getParentFile();
- parseArgs(args);
- relativeDirectory = oldRelativeDirectory;
- fileParsed = true;
- }
-
- File getCurrentDir() {
- return location.getDirectory();
- }
-
- String stripSingleLineComment(String s, String commentString) {
- int commentStart = s.indexOf(commentString);
- if (commentStart == -1) return s;
- else return s.substring(0, commentStart);
- }
-
- String stripWhitespaceAndComments(String s) {
- s = stripSingleLineComment(s, "//");
- s = stripSingleLineComment(s, "#");
- s = s.trim();
- if (s.startsWith("\"") && s.endsWith("\"")) {
- s = s.substring(1, s.length()-1);
- }
- return s;
- }
-
-
- /** ??? We would like to call a showNonFatalError method here
- * to show all errors in config files before aborting the compilation
- */
- protected void addFile(File sourceFile) {
- if (!sourceFile.isFile()) {
- showError("source file does not exist: " + sourceFile.getPath());
- }
-
- files.add(sourceFile);
- }
-
- void addFileOrPattern(File sourceFile) {
- if (sourceFile.getName().equals("*.java")) {
- addFiles(sourceFile.getParentFile(), new FileFilter() {
- public boolean accept(File f) {
- return f != null && f.getName().endsWith(".java");
- }});
- } else if (sourceFile.getName().equals("*.aj")) {
- addFiles(sourceFile.getParentFile(), new FileFilter() {
- public boolean accept(File f) {
- return f != null && f.getName().endsWith(".aj");
- }});
- } else {
- addFile(sourceFile);
- }
- }
-
- void addFiles(File dir, FileFilter filter) {
- if (dir == null) dir = new File(System.getProperty("user.dir"));
-
- if (!dir.isDirectory()) {
- showError("can't find " + dir.getPath());
- } else {
-
- File[] files = dir.listFiles(filter);
- if (files.length == 0) {
- showWarning("no matching files found in: " + dir);
- }
-
- for (int i = 0; i < files.length; i++) {
- addFile(files[i]);
- }
- }
- }
-
- protected void parseOption(String arg, LinkedList args) {
- showWarning("unrecognized option: " + arg);
- }
-
- protected void showWarning(String message) {
- if (location != null) {
- message += " at " + location.toString();
- }
- System.err.println(CONFIG_MSG + message);
- }
-
- protected void showError(String message) {
- throw new ParseException(CONFIG_MSG + message, location);
- }
-
- void parseArgs(LinkedList args) {
- while (args.size() > 0) parseOneArg(args);
- }
-
- protected Arg removeArg(LinkedList args) {
- if (args.size() == 0) {
- showError("value missing");
- return null;
- } else {
- return (Arg)args.removeFirst();
- }
- }
-
- protected String removeStringArg(LinkedList args) {
- Arg arg = removeArg(args);
- if (arg == null) return null;
- return arg.getValue();
- }
-
- boolean isSourceFileName(String s) {
- if (s.endsWith(".java")) return true;
- if (s.endsWith(".aj")) return true;
- if (s.endsWith(".ajava")) {
- showWarning(".ajava is deprecated, replace with .aj or .java: " + s);
- return true;
- }
- return false;
- }
-
- void parseOneArg(LinkedList args) {
- Arg arg = removeArg(args);
- String v = arg.getValue();
- location = arg.getLocation();
- if (v.startsWith("@")) {
- parseImportedConfigFile(v.substring(1));
- } else if (v.equals("-argfile")) {
- parseConfigFileHelper(makeFile(removeArg(args).getValue()));
- } else if (isSourceFileName(v)) {
- addFileOrPattern(makeFile(v));
- } else {
- parseOption(arg.getValue(), args);
- }
- }
-
- protected void parseImportedConfigFile(String relativeFilePath) {
- parseConfigFileHelper(makeFile(relativeFilePath));
- }
-
- public File makeFile(String name) {
- if (relativeDirectory != null) {
- return makeFile(relativeDirectory,name);
- } else {
- return makeFile(getCurrentDir(), name);
- }
- }
-
- private File makeFile(File dir, String name) {
- name = name.replace('/', File.separatorChar);
- File ret = new File(name);
- boolean isAbsolute = ret.isAbsolute()
- || (ret.exists() && ret.getPath().startsWith(File.separator));
- if (!isAbsolute && (dir != null)) {
- ret = new File(dir, name);
- }
- try {
- ret = ret.getCanonicalFile();
- } catch (IOException ioEx) {
- // proceed without canonicalization
- // so nothing to do here
- }
- return ret;
- }
-
-
- protected static class Arg {
- private Location location;
- private String value;
- public Arg(String value, Location location) {
- this.value = value;
- this.location = location;
- }
-
- public void setValue(String value) {
- this.value = value;
- }
-
- public void setLocation(Location location) {
- this.location = location;
- }
-
- public String getValue() { return value; }
- public Location getLocation() { return location; }
- }
-
- static abstract class Location {
- public abstract File getFile();
- public abstract File getDirectory();
- public abstract int getLine();
- public abstract String toString();
- }
-
- static class SourceLocation extends Location {
- private int line;
- private File file;
- public SourceLocation(File file, int line) {
- this.line = line;
- this.file = file;
- }
-
- public File getFile() { return file; }
- public File getDirectory() { return file.getParentFile(); }
- public int getLine() { return line; }
-
- public String toString() {
- return file.getPath()+":"+line;
- }
- }
-
- static class CommandLineLocation extends Location {
- public File getFile() {
- return new File(System.getProperty("user.dir"));
- }
-
- public File getDirectory() {
- return new File(System.getProperty("user.dir"));
- }
- public int getLine() { return -1; }
- public String toString() {
- return "command-line";
- }
- }
-
- public static class ParseException extends RuntimeException {
- private Location location;
-
- public ParseException(String message, Location location) {
- super(message);
- this.location = location;
- }
-
- public int getLine() {
- if (location == null) return -1;
- return location.getLine();
- }
- public File getFile() {
- if (location == null) return null;
- return location.getFile();
- }
- }
-}
projects / aspectj.git / commitdiff