96 lines
3.4 KiB
Java
96 lines
3.4 KiB
Java
package abstractSyntaxTree;
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import TypeCheck.TypeCheckResult;
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import abstractSyntaxTree.Class.FieldDecl;
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import abstractSyntaxTree.Class.MethodDecl;
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import org.objectweb.asm.MethodVisitor;
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import abstractSyntaxTree.Class.RefType;
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import org.objectweb.asm.ClassWriter;
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import org.objectweb.asm.Opcodes;
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import java.util.*;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.List;
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import java.util.jar.JarEntry;
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import java.util.jar.JarOutputStream;
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public class Program {
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public List<RefType> classes;
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public HashMap<String, HashMap<String, String>> typeContext; // (class, (type, identifier))
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public HashMap<String, HashMap<String, HashMap<String, List<String>>>> methodContext; // (class, (returntype, (identifier, parameter)))
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public Program(List<RefType> classes){
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this.classes = classes;
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this.typeContext = new HashMap<>();
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this.methodContext = new HashMap<>();
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}
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public TypeCheckResult typeCheck() throws Exception{
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for(RefType oneClass : classes){
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HashMap<String, String> classVars = new HashMap<>();
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for (FieldDecl fieldDecl: oneClass.fieldDecls){
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classVars.put(fieldDecl.type, fieldDecl.identifier);
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}
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typeContext.put(oneClass.name, classVars);
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HashMap<String, List<String>> methodIdentifierAndParameter = new HashMap<>();
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HashMap<String, HashMap<String, List<String >>> returnTypeAndMethod = new HashMap<>();
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for (MethodDecl methodDecl : oneClass.methodDecls){
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methodIdentifierAndParameter.put(methodDecl.name, methodDecl.parameters);
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returnTypeAndMethod.put(methodDecl.returnType, methodIdentifierAndParameter);
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}
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methodContext.put(oneClass.name, returnTypeAndMethod);
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oneClass.typeCheck(methodContext, typeContext, oneClass.methodDecls);
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}
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return null;
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}
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public void codeGen() throws Exception{
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try (JarOutputStream jos = new JarOutputStream(new FileOutputStream("output.jar"))) {
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for (RefType oneClass : classes) {
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ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
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cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, oneClass.name, null, "java/lang/Object", null);
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oneClass.codeGen(cw);
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cw.visitEnd();
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byte[] bytecode = cw.toByteArray();
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try (FileOutputStream fos = new FileOutputStream(oneClass.name + ".class")) {
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fos.write(bytecode);
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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/*// Write the bytecode to a .class file in the .jar file
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JarEntry entry = new JarEntry(oneClass.name + ".class");
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jos.putNextEntry(entry);
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jos.write(bytecode);
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jos.closeEntry();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}*/
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/*
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for(RefType oneClass : classes){
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ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
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cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC,oneClass.name, null,
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"java/lang/Object", null);
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oneClass.codeGen(cw);
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cw.visitEnd();
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byte[] bytecode = cw.toByteArray();
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}
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*/
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}
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}
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