/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.lang.plsql;
import java.io.StringReader;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import net.sourceforge.pmd.lang.LanguageRegistry;
import net.sourceforge.pmd.lang.LanguageVersion;
import net.sourceforge.pmd.lang.LanguageVersionHandler;
import net.sourceforge.pmd.lang.ast.Node;
// Root Production comprising PLSQL definitions, and SQL*PLus, DDL, GRANTS etc.
import net.sourceforge.pmd.lang.plsql.ast.ASTInput;
//Covers all executbale code units, such as package and object type bodies, standalone procedures and functions, and triggers
import net.sourceforge.pmd.lang.plsql.ast.PLSQLParserVisitor;
import net.sourceforge.pmd.lang.plsql.dfa.DataFlowFacade;
import net.sourceforge.pmd.lang.plsql.symboltable.SymbolFacade;
public abstract class AbstractPLSQLParserTst {
private class Collector<E> implements InvocationHandler {
private Class<E> clazz = null;
private Collection<E> collection;
Collector(Class<E> clazz) {
this(clazz, new HashSet<E>());
}
Collector(Class<E> clazz, Collection<E> coll) {
this.clazz = clazz;
this.collection = coll;
}
public Collection<E> getCollection() {
return collection;
}
public Object invoke(Object proxy, Method method, Object[] params) throws NoSuchMethodException,
SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
if (method.getName().equals("visit")) {
if (clazz.isInstance(params[0])) {
collection.add((E) params[0]);
}
}
Method childrenAccept = params[0].getClass().getMethod("childrenAccept",
new Class[] { PLSQLParserVisitor.class, Object.class });
childrenAccept.invoke(params[0], new Object[] { proxy, null });
return null;
}
}
public <E> Set<E> getNodes(Class<E> clazz, String plsqlCode) {
return getNodes(LanguageRegistry.getLanguage(PLSQLLanguageModule.NAME).getDefaultVersion(), clazz, plsqlCode);
}
public <E> Set<E> getNodes(LanguageVersion languageVersion, Class<E> clazz, String plsqlCode) {
Collector<E> coll = new Collector<>(clazz);
LanguageVersionHandler languageVersionHandler = languageVersion.getLanguageVersionHandler();
ASTInput cu = (ASTInput) languageVersionHandler.getParser(languageVersionHandler.getDefaultParserOptions())
.parse(null, new StringReader(plsqlCode));
PLSQLParserVisitor jpv = (PLSQLParserVisitor) Proxy.newProxyInstance(PLSQLParserVisitor.class.getClassLoader(),
new Class[] { PLSQLParserVisitor.class }, coll);
jpv.visit(cu, null);
return (Set<E>) coll.getCollection();
}
public <E> List<E> getOrderedNodes(Class<E> clazz, String plsqlCode) {
Collector<E> coll = new Collector<>(clazz, new ArrayList<E>());
LanguageVersionHandler languageVersionHandler = LanguageRegistry.getLanguage(PLSQLLanguageModule.NAME)
.getDefaultVersion().getLanguageVersionHandler();
ASTInput cu = (ASTInput) languageVersionHandler.getParser(languageVersionHandler.getDefaultParserOptions())
.parse(null, new StringReader(plsqlCode));
PLSQLParserVisitor jpv = (PLSQLParserVisitor) Proxy.newProxyInstance(PLSQLParserVisitor.class.getClassLoader(),
new Class[] { PLSQLParserVisitor.class }, coll);
jpv.visit(cu, null);
SymbolFacade sf = new SymbolFacade();
sf.initializeWith(cu);
DataFlowFacade dff = new DataFlowFacade();
dff.initializeWith(languageVersionHandler.getDataFlowHandler(), cu);
return (List<E>) coll.getCollection();
}
public <E> String dumpNodes(List<E> list) {
StringBuilder sb = new StringBuilder();
int index = 0;
for (E item : list) {
sb.append("\n node[").append(index).append(item.toString());
index++;
}
return sb.toString();
}
public ASTInput buildDFA(String plsqlCode) {
LanguageVersionHandler languageVersionHandler = LanguageRegistry.getLanguage(PLSQLLanguageModule.NAME)
.getDefaultVersion().getLanguageVersionHandler();
ASTInput cu = (ASTInput) languageVersionHandler.getParser(languageVersionHandler.getDefaultParserOptions())
.parse(null, new StringReader(plsqlCode));
PLSQLParserVisitor jpv = (PLSQLParserVisitor) Proxy.newProxyInstance(PLSQLParserVisitor.class.getClassLoader(),
new Class[] { PLSQLParserVisitor.class }, new Collector<>(ASTInput.class));
jpv.visit(cu, null);
new SymbolFacade().initializeWith(cu);
new DataFlowFacade().initializeWith(languageVersionHandler.getDataFlowHandler(), cu);
return cu;
}
public ASTInput parsePLSQL(LanguageVersion languageVersion, String code) {
LanguageVersionHandler languageVersionHandler = languageVersion.getLanguageVersionHandler();
return (ASTInput) languageVersionHandler.getParser(languageVersionHandler.getDefaultParserOptions()).parse(null,
new StringReader(code));
}
public ASTInput parsePLSQL(String code) {
return parsePLSQL(LanguageRegistry.getLanguage(PLSQLLanguageModule.NAME).getDefaultVersion(), code);
}
public Node parseLanguage(LanguageVersion languageVersion, String code) {
LanguageVersionHandler languageVersionHandler = languageVersion.getLanguageVersionHandler();
return languageVersionHandler.getParser(languageVersionHandler.getDefaultParserOptions()).parse(null,
new StringReader(code));
}
}