Merge branch 'antlr' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into antlr
This commit is contained in:
JanUlrich
commit
5c6b001ae1
24
src/de/dhbwstuttgart/parser/CompilationUnitEvaluator.java
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24
src/de/dhbwstuttgart/parser/CompilationUnitEvaluator.java
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@ -0,0 +1,24 @@
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package de.dhbwstuttgart.parser;
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import org.antlr.v4.runtime.tree.*;
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import de.dhbwstuttgart.syntaxtree.*;
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public class CompilationUnitEvaluator extends Java8BaseListener{
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@Override
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public void enterCompilationUnit(Java8Parser.CompilationUnitContext ctx) {
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System.out.println("SourceFile(");
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}
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@Override
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public void exitCompilationUnit(Java8Parser.CompilationUnitContext ctx) {
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System.out.println(")");
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}
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@Override
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public void enterPackageDeclaration(Java8Parser.PackageDeclarationContext ctx) {
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System.out.println("package(");
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}
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@Override
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public void exitPackageDeclaration(Java8Parser.PackageDeclarationContext ctx) {
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System.out.println(ctx.Identifier());
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System.out.println(")");
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}
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}
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@ -1,130 +0,0 @@
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package de.dhbwstuttgart.parser;
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import de.dhbwstuttgart.typeinference.Menge;
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import de.dhbwstuttgart.syntaxtree.type.RefType;
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/**
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* Stellt den Namen einer Java Klasse dar.
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* Dieser kann auch den Packagenamen mit beinhalten: de.dhbwstuttgart.typeinference.Menge
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*
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* @author janulrich
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*
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*
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*/
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public class JavaClassName {
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private String name;
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private PackageName packageName;
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/**
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* TODO: JavaClassName sollten aus den Assumptions generiert werden.
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* Diese wissen, welche Typen und Typnamen existieren und können direkt auf Korrektheit prüfen.
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*/
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JavaClassName(String name){
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if(name == null)throw new NullPointerException();
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String[] names = name.split("[.]");
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boolean match = true;
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if(names.length == 1){
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//packageName = new PackageName();
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this.name = name;
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}else {
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name = names[names.length-1];
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Menge<String> packageNames = new Menge<String>();
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for(int i = 0; i<names.length-1;i++){
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packageNames.add(names[i]);
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}
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packageName = new PackageName(packageNames);
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this.name = names[names.length-1];
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}
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}
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//Auto-generated hashCode:
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((name == null) ? 0 : name.hashCode());
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//result = prime * result
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// + ((packageName == null) ? 0 : packageName.hashCode()); //PackageName does not infect hashCode
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return result;
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}
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/**
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* Namen sind nur gleich, wenn bei den beiden zu vergleichenden JavaClassNames auch das Package angegeben ist
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if(obj instanceof String)
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return this.toString().equals(obj) || (this.name != null && this.name.equals(obj)); //Auch mit Strings als Klassennamen kompatibel TODO: sollte bald obsolet sein
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if (getClass() != obj.getClass())
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return false;
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JavaClassName other = (JavaClassName) obj;
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if (name == null) {
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if (other.name != null)
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return false;
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} else if (!name.equals(other.name))
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return false;
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if (packageName != null && other.packageName != null) {
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if (!packageName.equals(other.packageName))
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return false;//Spezialfall, nicht beide Typen müssen eindeutig mit Packagenamen angegeben werden
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}
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return true;
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}
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@Override
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public String toString() {
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return (packageName!=null ? packageName.toString() : "") + name;
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}
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}
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class PackageName{
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Menge<String> names = new Menge<String>();
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public PackageName(Menge<String> packageNames) {
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names = packageNames;
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}
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public PackageName() {
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//Do nothing
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}
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((names == null) ? 0 : names.hashCode());
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return result;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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PackageName other = (PackageName) obj;
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if (names == null) {
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if (other.names != null)
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return false;
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} else if (!names.equals(other.names))
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return false;
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return true;
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}
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@Override
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public String toString() {
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String ret = "";
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if(names == null)return "";
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for(String n : names)ret+=n+".";
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return ret;
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}
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}
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@ -1,18 +0,0 @@
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package de.dhbwstuttgart.parser;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Speichert die Klassen im aktuellen Projektscope
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*/
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public class JavaClassRegistry {
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public List<JavaClassName> existingClasses = new ArrayList<>();
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public JavaClassName getName(String className) {
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for(JavaClassName name : existingClasses){
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if(name.toString().equals(className))return name;
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}
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throw new TypeNotPresentException(className, new Throwable());
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}
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}
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34
src/de/dhbwstuttgart/parser/RunParser.java
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34
src/de/dhbwstuttgart/parser/RunParser.java
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@ -0,0 +1,34 @@
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package de.dhbwstuttgart.parser;
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import org.antlr.v4.runtime.*;
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import org.antlr.v4.runtime.ANTLRInputStream;
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import org.antlr.v4.runtime.CommonTokenStream;
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import org.antlr.v4.runtime.ParserRuleContext;
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import org.antlr.v4.runtime.tree.ParseTreeWalker;
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import de.dhbwstuttgart.syntaxtree.*;
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import java.util.Scanner;
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import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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public class RunParser{
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public static void main(String[] args){
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try{
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Scanner sc = new Scanner(System.in);
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String inputString = sc.nextLine();
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while(sc.hasNextLine()) inputString = inputString + sc.nextLine();
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InputStream stream = new ByteArrayInputStream(inputString.getBytes(StandardCharsets.UTF_8));
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ANTLRInputStream input = new ANTLRInputStream(stream);
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Java8Lexer lexer = new Java8Lexer(input);
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CommonTokenStream tokens = new CommonTokenStream(lexer);
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Java8Parser parser = new Java8Parser(tokens);
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ParserRuleContext tree = parser.compilationUnit();
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ParseTreeWalker walker = new ParseTreeWalker();
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CompilationUnitEvaluator eval = new CompilationUnitEvaluator();
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walker.walk(eval, tree);
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}
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catch(Exception e){
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System.out.println("An exception occured which is unknown and on our TODO list.");
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e.printStackTrace();
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}
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}
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}
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