Lubomir Rintel
17 years ago
parent
f103dafdce
commit
504fefbe95
@ -1,4 +1 @@
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java_cup_v10k-RHCLEAN.tar.bz2
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java_cup_v10k.tar.gz
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java_cup-0.10
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i386
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*.src.rpm
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@ -0,0 +1,354 @@
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diff -r -u -N java_cup_orig/AntTask.java java_cup/AntTask.java
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--- java_cup_orig/AntTask.java 1970-01-01 10:00:00.000000000 +1000
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+++ java_cup/AntTask.java 2003-06-04 03:11:53.000000000 +1000
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@@ -0,0 +1,261 @@
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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+ * Ant task for CUP *
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+ * Copyright (C) 2003 Gerwin Klein <lsf@jflex.de> *
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+ * All rights reserved. *
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+ * *
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+ * License: LGPL 2, http://www.gnu.org/copyleft/lesser.html *
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+ * *
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+ * This library is free software; you can redistribute it and/or *
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+ * modify it under the terms of the GNU Lesser General Public *
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+ * License as published by the Free Software Foundation; either *
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+ * version 2 of the License, or (at your option) any later version. *
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+ * *
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+ * This library is distributed in the hope that it will be useful, *
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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+ * Lesser General Public License for more details. *
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+ * *
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+ * You should have received a copy of the GNU Lesser General Public *
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+ * License along with this library; if not, write to the Free Software *
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA*
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+ * *
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+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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+
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+package java_cup;
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+
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+import org.apache.tools.ant.Task;
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+import org.apache.tools.ant.BuildException;
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+
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+import java.io.*;
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+
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+/*
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+ Example build.xml file for using CUP with Ant (assumes that java_cup classes
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+ are available in classpath):
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+
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+ <project name="cup" default="jar">
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+
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+ <taskdef classname="java_cup.AntTask" name="cup" />
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+
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+ <target name="compile" depends="cup">
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+ <javac srcdir="." destdir="bin" target="1.1" classpath="." />
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+ </target>
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+
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+ <target name="cup">
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+ <cup file="java_cup/parser.cup" dir="java_cup" nosummary="true" />
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+ </target>
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+
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+ <target name="jar" depends="compile">
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+ <jar basedir="bin" includes="java_cup/**" jarfile="java_cup.jar" />
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+ </target>
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+ </project>
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+ */
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+
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+/**
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+ * An Ant task class for CUP, supports all CUP options available on
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+ * the command line.
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+ * <p>
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+ * The option names are the same as on the command line. Options without
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+ * parameters are booleans in Ant (-nosummary becomes nosummary="true")
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+ * <p>
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+ * Example build.xml file for Ant (assumes that java_cup classes
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+ * are available in classpath):
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+ * <pre>
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+ * <project name="cup" default="jar">
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+ *
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+ * <taskdef classname="java_cup.AntTask" name="cup" />
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+ *
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+ * <target name="compile" depends="cup">
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+ * <javac srcdir="." destdir="bin" target="1.1" classpath="." />
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+ * </target>
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+ *
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+ * <target name="cup">
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+ * <cup file="java_cup/parser.cup" dir="java_cup" nosummary="true" />
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+ * </target>
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+ *
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+ * <target name="jar" depends="compile">
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+ * <jar basedir="bin" includes="java_cup/**" jarfile="java_cup.jar" />
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+ * </target>
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+ * </project>
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+ * </pre>
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+ *
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+ * @see java_cup.Main
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+ *
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+ * @author Gerwin Klein
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+ */
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+public class AntTask extends Task {
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+
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+ private File inputFile;
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+
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+ /* FIXME: this duplicates default settings,
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+ * would be better to refactor settings from Main, emit, and here
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+ * into an own class.
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+ */
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+ private String parserName = "parser";
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+ private String symName = "sym";
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+ private String packageName = null;
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+
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+ private File destinationDir;
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+
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+ private int expect = 0;
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+
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+ private boolean symInterface = false;
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+ private boolean nonTerms = false;
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+ private boolean compactRed = false;
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+ private boolean noSummary = false;
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+ private boolean noWarn = false;
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+ private boolean dumpStates = false;
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+ private boolean dumpTables = false;
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+ private boolean printProgress = false;
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+ private boolean dumpGrammar = false;
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+ private boolean showTiming = false;
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+ private boolean lrValues = true;
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+ private boolean suppressScanner = false;
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+
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+ /**
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+ * Run the Ant task. Assumes that options have already been set
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+ * with setter methods by Ant.
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+ *
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+ * @throws BuildException if build fails
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+ */
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+ public void execute() throws BuildException {
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+ if (inputFile == null) {
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+ throw new BuildException("No input file. Use <cup file=\"your_parser.cup\"/>");
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+ }
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+
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+ if (!inputFile.canRead()) {
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+ throw new BuildException("Cannot read input file " + inputFile);
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+ }
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+
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+ try {
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+ File parserFile = new File(destinationDir, parserName + ".java");
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+ File symFile = new File(destinationDir, symName + ".java");
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+
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+ if (inputFile.lastModified() > parserFile.lastModified()
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+ || inputFile.lastModified() > symFile.lastModified()) {
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+
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+ // cup redefines System.in
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+ InputStream systemIn_save = System.in;
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+
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+ /* run it. assumption: Main.parse_args works with empty
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+ * argument list and does nothing */
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+ configure();
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+ Main.main(new String[0]);
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+
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+ // restore System.in
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+ System.setIn(systemIn_save);
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+
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+ if (noSummary) {
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+ System.out.println("Generated: " + parserFile + " and " + symFile);
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+ }
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+ }
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+ } catch (IOException e) {
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+ throw new BuildException("IOException: " + e.toString());
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+ } catch (internal_error e) {
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+ throw new BuildException("Internal CUP error.");
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+ } catch (Exception e) {
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+ throw new BuildException("CUP generation failed.");
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+ }
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+ }
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+
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+ /**
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+ * Configures cup accordings to the settings of this class
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+ *
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+ * @throws FileNotFoundException if inputFile does not exist
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+ */
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+ public void configure() throws FileNotFoundException {
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+ System.setIn(new FileInputStream(inputFile));
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+ Main.output_dir = destinationDir;
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+ Main.sym_interface = symInterface;
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+ emit.parser_class_name = parserName;
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+ emit.symbol_const_class_name = symName;
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+ emit.package_name = packageName;
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+ Main.include_non_terms = nonTerms;
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+ Main.expect_conflicts = expect;
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+ Main.opt_compact_red = compactRed;
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+ Main.no_summary = noSummary;
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+ emit.nowarn = noWarn;
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+ Main.opt_dump_states = dumpStates;
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+ Main.opt_dump_grammar = dumpGrammar;
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+ Main.opt_dump_tables = dumpTables;
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+ Main.print_progress = printProgress;
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+ Main.opt_show_timing = showTiming;
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+ Main.lr_values = lrValues;
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+ Main.suppress_scanner = suppressScanner;
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+ }
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+
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+ public void setDir(File destinationDir) {
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+ this.destinationDir = destinationDir;
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+ }
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+
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+ public void setFile(File file) {
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+ this.inputFile = file;
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+ }
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+
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+ public void setParser(String name) {
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+ this.parserName = name;
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+ }
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+
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+ public void setSymbols(String name) {
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+ this.symName = name;
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+ }
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+
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+ public void setPackage(String name) {
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+ this.packageName = name;
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+ }
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+
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+ public void setInterface(boolean symInterface) {
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+ this.symInterface = symInterface;
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+ }
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+
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+ public void setCompact_red(boolean b) {
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+ compactRed = b;
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+ }
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+
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+ public void setDump_grammar(boolean b) {
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+ dumpGrammar = b;
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+ }
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+
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+ public void setDump_states(boolean b) {
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+ dumpStates = b;
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+ }
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+
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+ public void setDump_tables(boolean b) {
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+ dumpTables = b;
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+ }
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+
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+ public void setDump(boolean b) {
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+ dumpStates = dumpTables = dumpGrammar = true;
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+ }
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+
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+ public void setExpect(int i) {
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+ expect = i;
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+ }
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+
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+ public void setNopositions(boolean b) {
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+ lrValues = !b;
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+ }
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+
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+ public void setNonterms(boolean b) {
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+ nonTerms = b;
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+ }
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+
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+ public void setNosummary(boolean b) {
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+ noSummary = b;
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+ }
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+
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+ public void setNowarn(boolean b) {
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+ noWarn = b;
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+ }
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+
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+ public void setProgress(boolean b) {
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+ printProgress = b;
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+ }
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+
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+ public void setTime(boolean b) {
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+ showTiming = b;
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+ }
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+
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+ public void setNoscanner(boolean b) {
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+ suppressScanner = b;
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+ }
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+}
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diff -r -u -N java_cup_orig/Main.java java_cup/Main.java
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--- java_cup_orig/Main.java 1999-07-24 23:16:59.000000000 +1000
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+++ java_cup/Main.java 2003-06-04 03:03:41.000000000 +1000
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@@ -25,6 +25,8 @@
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* <dd> specify parser class name [default "parser"]
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* <dt> -symbols name
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* <dd> specify name for symbol constant class [default "sym"]
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+ * <dt> -dir name
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+ * <dd> put generated files into directory name [default "."]
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* <dt> -interface
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* <dd> emit symbol constant <i>interface</i>, rather than class
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* <dt> -nonterms
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@@ -110,6 +112,10 @@
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* java_cup.runtime.Scanner for compatibility with old runtimes? */
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protected static boolean suppress_scanner = false;
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+ /** User option -- directory for ouput files */
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+ protected static File output_dir = null;
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+
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+
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/*----------------------------------------------------------------------*/
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/* Timing data (not all of these time intervals are mutually exclusive) */
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/*----------------------------------------------------------------------*/
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@@ -244,6 +250,7 @@
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" -parser name specify parser class name [default \"parser\"]\n" +
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" -symbols name specify name for symbol constant class [default \"sym\"]\n"+
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" -interface put symbols in an interface, rather than a class\n" +
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+" -dir name put generated into directory name [default \".\"]" +
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" -nonterms put non terminals in symbol constant class\n" +
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" -expect # number of conflicts expected/allowed [default 0]\n" +
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" -compact_red compact tables by defaulting to most frequent reduce\n" +
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@@ -287,6 +294,15 @@
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/* record the name */
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emit.package_name = argv[i];
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}
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+ else if (argv[i].equals("-dir"))
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+ {
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+ if (++i >= len || argv[i].startsWith("-") ||
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+ argv[i].endsWith(".cup"))
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+ usage("-dir must have a name argument");
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+
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+ /* record the name */
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+ output_dir = new File(argv[i]);
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+ }
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else if (argv[i].equals("-parser"))
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{
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/* must have an arg */
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@@ -390,23 +406,23 @@
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/* parser class */
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out_name = emit.parser_class_name + ".java";
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- fil = new File(out_name);
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+ fil = new File(output_dir,out_name);
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try {
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parser_class_file = new PrintWriter(
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new BufferedOutputStream(new FileOutputStream(fil), 4096));
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} catch(Exception e) {
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- System.err.println("Can't open \"" + out_name + "\" for output");
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+ System.err.println("Can't open \"" + fil + "\" for output");
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System.exit(3);
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}
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/* symbol constants class */
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out_name = emit.symbol_const_class_name + ".java";
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- fil = new File(out_name);
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+ fil = new File(output_dir,out_name);
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try {
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symbol_class_file = new PrintWriter(
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new BufferedOutputStream(new FileOutputStream(fil), 4096));
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} catch(Exception e) {
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- System.err.println("Can't open \"" + out_name + "\" for output");
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+ System.err.println("Can't open \"" + fil + "\" for output");
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System.exit(4);
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}
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}
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@@ -656,8 +672,11 @@
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|
|
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/* code location */
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if (output_produced)
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- System.err.println(" Code written to \"" + emit.parser_class_name +
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- ".java\", and \"" + emit.symbol_const_class_name + ".java\".");
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+ System.err.println(" Code written to \"" +
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+ new File(output_dir, emit.parser_class_name) +
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+ ".java\", and \"" +
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+ new File(output_dir, emit.symbol_const_class_name) +
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+ ".java\".");
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else
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System.err.println(" No code produced.");
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