javacc-7.0.4.src.main.java.org.javacc.parser.JavaFiles Maven / Gradle / Ivy
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JavaCC modified by Tencent blueking.
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/* Copyright (c) 2006, Sun Microsystems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Sun Microsystems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.javacc.parser;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import org.javacc.Version;
import org.javacc.utils.OutputFileGenerator;
/**
* Generate CharStream, TokenManager and Exceptions.
*/
public class JavaFiles extends JavaCCGlobals implements JavaCCParserConstants
{
/**
* ID of the latest version (of JavaCC) in which one of the CharStream classes
* or the CharStream interface is modified.
*/
static final String charStreamVersion = Version.majorDotMinor;
/**
* ID of the latest version (of JavaCC) in which the TokenManager interface is modified.
*/
static final String tokenManagerVersion = Version.majorDotMinor;
/**
* ID of the latest version (of JavaCC) in which the Token class is modified.
*/
static final String tokenVersion = Version.majorDotMinor;
/**
* ID of the latest version (of JavaCC) in which the ParseException class is
* modified.
*/
static final String parseExceptionVersion = Version.majorDotMinor;
/**
* ID of the latest version (of JavaCC) in which the TokenMgrError class is
* modified.
*/
static final String tokenMgrErrorVersion = Version.majorDotMinor;
public interface JavaResourceTemplateLocations {
public String getTokenManagerTemplateResourceUrl();
public String getTokenTemplateResourceUrl();
public String getTokenMgrErrorTemplateResourceUrl();
public String getJavaCharStreamTemplateResourceUrl();
public String getCharStreamTemplateResourceUrl();
public String getSimpleCharStreamTemplateResourceUrl();
public String getParseExceptionTemplateResourceUrl();
}
public static class JavaModernResourceTemplateLocationImpl implements JavaResourceTemplateLocations {
public String getTokenMgrErrorTemplateResourceUrl() {
// Same as Java
return "/templates/TokenMgrError.template";
}
public String getCharStreamTemplateResourceUrl() {
// Same as Java
return "/templates/CharStream.template";
}
public String getTokenManagerTemplateResourceUrl() {
// Same as Java
return "/templates/TokenManager.template";
}
public String getTokenTemplateResourceUrl() {
// Same as Java
return "/templates/Token.template";
}
public String getSimpleCharStreamTemplateResourceUrl() {
return "/templates/gwt/SimpleCharStream.template";
}
public String getJavaCharStreamTemplateResourceUrl() {
return "/templates/gwt/JavaCharStream.template";
}
public String getParseExceptionTemplateResourceUrl() {
return "/templates/gwt/ParseException.template";
}
}
public static class JavaResourceTemplateLocationImpl implements JavaResourceTemplateLocations {
public String getTokenTemplateResourceUrl() {
return "/templates/Token.template";
}
public String getTokenManagerTemplateResourceUrl() {
return "/templates/TokenManager.template";
}
public String getTokenMgrErrorTemplateResourceUrl() {
return "/templates/TokenMgrError.template";
}
public String getJavaCharStreamTemplateResourceUrl() {
return "/templates/JavaCharStream.template";
}
public String getCharStreamTemplateResourceUrl() {
return "/templates/CharStream.template";
}
public String getSimpleCharStreamTemplateResourceUrl() {
return "/templates/SimpleCharStream.template";
}
public String getParseExceptionTemplateResourceUrl() {
return "/templates/ParseException.template";
}
}
public static final JavaResourceTemplateLocations RESOURCES_JAVA_CLASSIC = new JavaResourceTemplateLocationImpl();
public static final JavaResourceTemplateLocations RESOURCES_JAVA_MODERN = new JavaModernResourceTemplateLocationImpl();
/**
* Replaces all backslahes with double backslashes.
*/
static String replaceBackslash(String str)
{
StringBuffer b;
int i = 0, len = str.length();
while (i < len && str.charAt(i++) != '\\') ;
if (i == len) // No backslash found.
return str;
char c;
b = new StringBuffer();
for (i = 0; i < len; i++)
if ((c = str.charAt(i)) == '\\')
b.append("\\\\");
else
b.append(c);
return b.toString();
}
/**
* Read the version from the comment in the specified file.
* This method does not try to recover from invalid comment syntax, but
* rather returns version 0.0 (which will always be taken to mean the file
* is out of date).
* @param fileName eg Token.java
* @return The version as a double, eg 4.1
* @since 4.1
*/
static double getVersion(String fileName)
{
final String commentHeader = "/* " + getIdString(toolName, fileName) + " Version ";
File file = new File(Options.getOutputDirectory(), replaceBackslash(fileName));
if (!file.exists()) {
// Has not yet been created, so it must be up to date.
try {
String majorVersion = Version.versionNumber.replaceAll("[^0-9.]+.*", "");
return Double.parseDouble(majorVersion);
} catch (NumberFormatException e) {
return 0.0; // Should never happen
}
}
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(file));
String str;
double version = 0.0;
// Although the version comment should be the first line, sometimes the
// user might have put comments before it.
while ( (str = reader.readLine()) != null) {
if (str.startsWith(commentHeader)) {
str = str.substring(commentHeader.length());
int pos = str.indexOf(' ');
if (pos >= 0) str = str.substring(0, pos);
if (str.length() > 0) {
try {
version = Double.parseDouble(str);
}
catch (NumberFormatException nfe) {
// Ignore - leave version as 0.0
}
}
break;
}
}
return version;
}
catch (IOException ioe)
{
return 0.0;
}
finally {
if (reader != null)
{
try { reader.close(); } catch (IOException e) {}
}
}
}
public static void gen_JavaCharStream(JavaResourceTemplateLocations locations) {
try {
final File file = new File(Options.getOutputDirectory(), "JavaCharStream.java");
final OutputFile outputFile = new OutputFile(file, charStreamVersion, new String[] {Options.USEROPTION__STATIC, Options.USEROPTION__SUPPORT_CLASS_VISIBILITY_PUBLIC});
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
String prefix = (Options.getStatic() ? "static " : "");
Map options = new HashMap(Options.getOptions());
options.put("PREFIX", prefix);
OutputFileGenerator generator = new OutputFileGenerator(
locations.getJavaCharStreamTemplateResourceUrl(), options);
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create JavaCharStream " + e);
JavaCCErrors.semantic_error("Could not open file JavaCharStream.java for writing.");
throw new Error();
}
}
public static void gen_SimpleCharStream(JavaResourceTemplateLocations locations) {
try {
final File file = new File(Options.getOutputDirectory(), "SimpleCharStream.java");
final OutputFile outputFile = new OutputFile(file, charStreamVersion, new String[] {Options.USEROPTION__STATIC, Options.USEROPTION__SUPPORT_CLASS_VISIBILITY_PUBLIC});
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
String prefix = (Options.getStatic() ? "static " : "");
Map options = new HashMap(Options.getOptions());
options.put("PREFIX", prefix);
OutputFileGenerator generator = new OutputFileGenerator(
locations.getSimpleCharStreamTemplateResourceUrl(), options);
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create SimpleCharStream " + e);
JavaCCErrors.semantic_error("Could not open file SimpleCharStream.java for writing.");
throw new Error();
}
}
public static void gen_CharStream(JavaResourceTemplateLocations locations) {
try {
final File file = new File(Options.getOutputDirectory(), "CharStream.java");
final OutputFile outputFile = new OutputFile(file, charStreamVersion, new String[] {Options.USEROPTION__STATIC, Options.USEROPTION__SUPPORT_CLASS_VISIBILITY_PUBLIC});
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
OutputFileGenerator generator = new OutputFileGenerator(
locations.getCharStreamTemplateResourceUrl(), Options.getOptions());
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create CharStream " + e);
JavaCCErrors.semantic_error("Could not open file CharStream.java for writing.");
throw new Error();
}
}
public static void gen_JavaModernFiles() {
genMiscFile("Provider.java","/templates/gwt/Provider.template" );
genMiscFile("StringProvider.java","/templates/gwt/StringProvider.template" );
// This provides a bridge to standard Java readers.
genMiscFile("StreamProvider.java","/templates/gwt/StreamProvider.template" );
}
private static void genMiscFile(String fileName, String templatePath) throws Error {
try {
final File file = new File(Options.getOutputDirectory(), fileName);
final OutputFile outputFile = new OutputFile(file, parseExceptionVersion, new String[] {/* cba -- 2013/07/22 -- previously wired to a typo version of this option -- KEEP_LINE_COL */ Options.USEROPTION__KEEP_LINE_COLUMN});
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
OutputFileGenerator generator = new OutputFileGenerator( templatePath, Options.getOptions());
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create " + fileName + " "+ e);
JavaCCErrors.semantic_error("Could not open file "+fileName+" for writing.");
throw new Error();
}
}
public static void gen_ParseException(JavaResourceTemplateLocations locations) {
try {
final File file = new File(Options.getOutputDirectory(), "ParseException.java");
final OutputFile outputFile = new OutputFile(file, parseExceptionVersion, new String[] {/* cba -- 2013/07/22 -- previously wired to a typo version of this option -- KEEP_LINE_COL */ Options.USEROPTION__KEEP_LINE_COLUMN});
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
OutputFileGenerator generator = new OutputFileGenerator(
locations.getParseExceptionTemplateResourceUrl(), Options.getOptions());
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create ParseException " + e);
JavaCCErrors.semantic_error("Could not open file ParseException.java for writing.");
throw new Error();
}
}
public static void gen_TokenMgrError(JavaResourceTemplateLocations locations) {
boolean isLegacyExceptionHandling = Options.isLegacyExceptionHandling();
String filename = isLegacyExceptionHandling ? "TokenMgrError.java" : "TokenMgrException.java";
try {
final File file = new File(Options.getOutputDirectory(), filename);
final OutputFile outputFile = new OutputFile(file, tokenMgrErrorVersion, new String[0]);
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
OutputFileGenerator generator = new OutputFileGenerator( locations.getTokenMgrErrorTemplateResourceUrl(), Options.getOptions());
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create "+filename+" " + e);
JavaCCErrors.semantic_error("Could not open file "+filename+" for writing.");
throw new Error();
}
}
public static void gen_Token(JavaResourceTemplateLocations locations) {
try {
final File file = new File(Options.getOutputDirectory(), "Token.java");
final OutputFile outputFile = new OutputFile(file, tokenVersion, new String[] {Options.USEROPTION__TOKEN_EXTENDS, /* cba -- 2013/07/22 -- previously wired to a typo version of this option -- KEEP_LINE_COL */ Options.USEROPTION__KEEP_LINE_COLUMN, Options.USEROPTION__SUPPORT_CLASS_VISIBILITY_PUBLIC});
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
OutputFileGenerator generator = new OutputFileGenerator(
locations.getTokenTemplateResourceUrl(), Options.getOptions());
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create Token " + e);
JavaCCErrors.semantic_error("Could not open file Token.java for writing.");
throw new Error();
}
}
public static void gen_TokenManager(JavaResourceTemplateLocations locations) {
try {
final File file = new File(Options.getOutputDirectory(), "TokenManager.java");
final OutputFile outputFile = new OutputFile(file, tokenManagerVersion, new String[] {Options.USEROPTION__SUPPORT_CLASS_VISIBILITY_PUBLIC});
if (!outputFile.needToWrite)
{
return;
}
final PrintWriter ostr = outputFile.getPrintWriter();
if (cu_to_insertion_point_1.size() != 0 &&
((Token)cu_to_insertion_point_1.get(0)).kind == PACKAGE
) {
for (int i = 1; i < cu_to_insertion_point_1.size(); i++) {
if (((Token)cu_to_insertion_point_1.get(i)).kind == SEMICOLON) {
cline = ((Token)(cu_to_insertion_point_1.get(0))).beginLine;
ccol = ((Token)(cu_to_insertion_point_1.get(0))).beginColumn;
for (int j = 0; j <= i; j++) {
printToken((Token)(cu_to_insertion_point_1.get(j)), ostr);
}
ostr.println("");
ostr.println("");
break;
}
}
}
OutputFileGenerator generator = new OutputFileGenerator(
locations.getTokenManagerTemplateResourceUrl(), Options.getOptions());
generator.generate(ostr);
ostr.close();
} catch (IOException e) {
System.err.println("Failed to create TokenManager " + e);
JavaCCErrors.semantic_error("Could not open file TokenManager.java for writing.");
throw new Error();
}
}
public static void reInit()
{
}
}