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options {
STATIC=false;
}
PARSER_BEGIN(Rcc)
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jute.compiler.generated;
import org.apache.jute.compiler.*;
import java.util.ArrayList;
import java.util.Hashtable;
import java.io.File;
import java.io.FileReader;
import java.io.FileNotFoundException;
import java.io.IOException;
@SuppressWarnings("unused")
public class Rcc {
private static Hashtable<String, JRecord> recTab = new Hashtable<String, JRecord>();
private static String curDir = System.getProperty("user.dir");
private static String curFileName;
private static String curModuleName;
public static void main(String args[]) {
String language = "java";
ArrayList<String> recFiles = new ArrayList<String>();
JFile curFile=null;
for (int i=0; i<args.length; i++) {
if ("-l".equalsIgnoreCase(args[i]) ||
"--language".equalsIgnoreCase(args[i])) {
language = args[i+1].toLowerCase();
i++;
} else {
recFiles.add(args[i]);
}
}
if (!"c++".equals(language) && !"java".equals(language) && !"c".equals(language)) {
System.out.println("Cannot recognize language:" + language);
System.exit(1);
}
if (recFiles.size() == 0) {
System.out.println("No record files specified. Exiting.");
System.exit(1);
}
for (int i=0; i<recFiles.size(); i++) {
curFileName = recFiles.get(i);
File file = new File(curFileName);
try {
curFile = parseFile(file);
} catch (FileNotFoundException e) {
System.out.println("File " + recFiles.get(i) + " Not found.");
System.exit(1);
} catch (ParseException e) {
System.out.println(e.toString());
System.exit(1);
}
System.out.println(recFiles.get(i) + " Parsed Successfully");
try {
curFile.genCode(language, new File("."));
} catch (IOException e) {
System.out.println(e.toString());
System.exit(1);
}
}
}
public static JFile parseFile(File file) throws FileNotFoundException, ParseException {
curDir = file.getParent();
curFileName = file.getName();
FileReader reader = new FileReader(file);
try {
Rcc parser = new Rcc(reader);
recTab = new Hashtable<String, JRecord>();
return parser.Input();
} finally {
try {
reader.close();
} catch (IOException e) {
}
}
}
}
PARSER_END(Rcc)
SKIP :
{
" "
| "\t"
| "\n"
| "\r"
}
SPECIAL_TOKEN :
{
"//" : WithinOneLineComment
}
<WithinOneLineComment> SPECIAL_TOKEN :
{
<("\n" | "\r" | "\r\n" )> : DEFAULT
}
<WithinOneLineComment> MORE :
{
<~[]>
}
SPECIAL_TOKEN :
{
"/*" : WithinMultiLineComment
}
<WithinMultiLineComment> SPECIAL_TOKEN :
{
"*/" : DEFAULT
}
<WithinMultiLineComment> MORE :
{
<~[]>
}
TOKEN :
{
<MODULE_TKN: "module">
| <RECORD_TKN: "class">
| <INCLUDE_TKN: "include">
| <BYTE_TKN: "byte">
| <BOOLEAN_TKN: "boolean">
| <INT_TKN: "int">
| <LONG_TKN: "long">
| <FLOAT_TKN: "float">
| <DOUBLE_TKN: "double">
| <USTRING_TKN: "ustring">
| <BUFFER_TKN: "buffer">
| <VECTOR_TKN: "vector">
| <MAP_TKN: "map">
| <LBRACE_TKN: "{">
| <RBRACE_TKN: "}">
| <LT_TKN: "<">
| <GT_TKN: ">">
| <SEMICOLON_TKN: ";">
| <COMMA_TKN: ",">
| <DOT_TKN: ".">
| <CSTRING_TKN: "\"" ( ~["\""] )+ "\"">
| <IDENT_TKN: ["A"-"Z","a"-"z"] (["a"-"z","A"-"Z","0"-"9","_"])*>
}
JFile Input() :
{
ArrayList<JFile> ilist = new ArrayList<JFile>();
ArrayList<JRecord> rlist = new ArrayList<JRecord>();
JFile i;
ArrayList <JRecord>l;
}
{
(
i = Include()
{ ilist.add(i); }
| l = Module()
{ rlist.addAll(l); }
)+
<EOF>
{ return new JFile(curFileName, ilist, rlist); }
}
JFile Include() :
{
String fname;
Token t;
}
{
<INCLUDE_TKN>
t = <CSTRING_TKN>
{
JFile ret = null;
fname = t.image.replaceAll("^\"", "").replaceAll("\"$","");
File file = new File(curDir, fname);
String tmpDir = curDir;
String tmpFile = curFileName;
curDir = file.getParent();
curFileName = file.getName();
try {
FileReader reader = new FileReader(file);
Rcc parser = new Rcc(reader);
try {
ret = parser.Input();
System.out.println(fname + " Parsed Successfully");
} catch (ParseException e) {
System.out.println(e.toString());
System.exit(1);
}
try {
reader.close();
} catch (IOException e) {
}
} catch (FileNotFoundException e) {
System.out.println("File " + fname +
" Not found.");
System.exit(1);
}
curDir = tmpDir;
curFileName = tmpFile;
return ret;
}
}
ArrayList<JRecord> Module() :
{
String mName;
ArrayList<JRecord> rlist;
}
{
<MODULE_TKN>
mName = ModuleName()
{ curModuleName = mName; }
<LBRACE_TKN>
rlist = RecordList()
<RBRACE_TKN>
{ return rlist; }
}
String ModuleName() :
{
String name = "";
Token t;
}
{
t = <IDENT_TKN>
{ name += t.image; }
(
<DOT_TKN>
t = <IDENT_TKN>
{ name += "." + t.image; }
)*
{ return name; }
}
ArrayList<JRecord> RecordList() :
{
ArrayList<JRecord> rlist = new ArrayList<JRecord>();
JRecord r;
}
{
(
r = Record()
{ rlist.add(r); }
)+
{ return rlist; }
}
JRecord Record() :
{
String rname;
ArrayList<JField> flist = new ArrayList<JField>();
Token t;
JField f;
}
{
<RECORD_TKN>
t = <IDENT_TKN>
{ rname = t.image; }
<LBRACE_TKN>
(
f = Field()
{ flist.add(f); }
<SEMICOLON_TKN>
)+
<RBRACE_TKN>
{
String fqn = curModuleName + "." + rname;
JRecord r = new JRecord(fqn, flist);
recTab.put(fqn, r);
return r;
}
}
JField Field() :
{
JType jt;
Token t;
}
{
jt = Type()
t = <IDENT_TKN>
{ return new JField(jt, t.image); }
}
JType Type() :
{
JType jt;
Token t;
String rname;
}
{
jt = Map()
{ return jt; }
| jt = Vector()
{ return jt; }
| <BYTE_TKN>
{ return new JByte(); }
| <BOOLEAN_TKN>
{ return new JBoolean(); }
| <INT_TKN>
{ return new JInt(); }
| <LONG_TKN>
{ return new JLong(); }
| <FLOAT_TKN>
{ return new JFloat(); }
| <DOUBLE_TKN>
{ return new JDouble(); }
| <USTRING_TKN>
{ return new JString(); }
| <BUFFER_TKN>
{ return new JBuffer(); }
| rname = ModuleName()
{
if (rname.indexOf('.', 0) < 0) {
rname = curModuleName + "." + rname;
}
JRecord r = recTab.get(rname);
if (r == null) {
System.out.println("Type " + rname + " not known. Exiting.");
System.exit(1);
}
return r;
}
}
JMap Map() :
{
JType jt1;
JType jt2;
}
{
<MAP_TKN>
<LT_TKN>
jt1 = Type()
<COMMA_TKN>
jt2 = Type()
<GT_TKN>
{ return new JMap(jt1, jt2); }
}
JVector Vector() :
{
JType jt;
}
{
<VECTOR_TKN>
<LT_TKN>
jt = Type()
<GT_TKN>
{ return new JVector(jt); }
}
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