mirror of
https://github.com/ParkerTenBroeck/coroutines.git
synced 2026-06-07 05:08:51 -04:00
added stack tracking
This commit is contained in:
Parker TenBroeck
parent
61b1ca1c12
commit
21412f4670
5 changed files with 473 additions and 86 deletions
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@ -70,21 +70,34 @@ public class Examples {
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// }
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public static class Delay implements Future<String>{
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private final int delay;
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private final static Timer timer;
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static{
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timer = new Timer(true);
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}
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private int delay;
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private boolean ready;
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public Delay(int ms){
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if(ms<0)throw new IllegalArgumentException("Delay cannot be negative");
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delay = ms;
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}
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@Override
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public Object poll(Waker waker) {
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new Timer().schedule(new TimerTask() {
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public synchronized Object poll(Waker waker) {
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if(delay==0){
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ready=true;
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delay=-1;
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return null;
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}
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if(delay != -1){
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timer.schedule(new TimerTask() {
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@Override
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public void run() {
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ready = true;
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waker.wake();
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}
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}, delay);
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delay = -1;
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}
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if(ready)return null;
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return Pending.INSTANCE;
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}
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@ -96,9 +109,22 @@ public class Examples {
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}
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public Future<String> awaitTest(int number){
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try(var m = new Meow()){
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var result = awaitTest2(number).await();
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return Future.ret("Result: " + result);
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}
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}
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public static class Meow implements AutoCloseable{
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{
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System.out.println("OPen");
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}
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@Override
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public void close() {
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System.out.println("Close");
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}
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}
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// public static Gen<Double, Void> test(double[] nyas){
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//
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@ -10,6 +10,8 @@ public interface Future<R> {
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throw new RuntimeException("NO!");
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}
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default void cancel(){}
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static <R> Future<R> ret(R r){
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throw new RuntimeException("NO!");
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}
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@ -104,10 +104,12 @@ public class GeneratorClassLoader extends ClassLoader {
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var smb = new FutureSMBuilder(src_clm, src_mem, com);
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try{
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add(smb.CD_this.displayName(), smb.buildStateMachine());
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}catch (Exception ignore){
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}catch (Exception e){
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e.printStackTrace();
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cb.withMethod(src_mem.methodName(), src_mem.methodType(), src_mem.flags().flagsMask(), mb -> {
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mb.with(com);
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});
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return smb;
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}
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cb.withMethod(src_mem.methodName(), src_mem.methodType(), src_mem.flags().flagsMask(), mb -> {
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mb.withCode(smb::buildSourceMethodShim);
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@ -1,33 +1,235 @@
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package generator.runtime;
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import java.lang.classfile.*;
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import java.lang.classfile.attribute.RuntimeInvisibleTypeAnnotationsAttribute;
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import java.lang.classfile.attribute.RuntimeVisibleTypeAnnotationsAttribute;
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import java.lang.classfile.attribute.StackMapFrameInfo;
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import java.lang.classfile.attribute.StackMapTableAttribute;
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import java.lang.classfile.instruction.*;
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import java.lang.constant.ClassDesc;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Objects;
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import static java.lang.classfile.attribute.StackMapFrameInfo.SimpleVerificationTypeInfo.TOP;
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import static generator.runtime.StateMachineBuilder.LOCAL_PREFIX;
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import static java.lang.constant.ConstantDescs.*;
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public class LocalTracker {
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record LocalStore(String name, ClassDesc cd) {
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}
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HashMap<Integer, ClassDesc> parameter_map = new HashMap<>();
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private static final int ITEM_TOP = 0,
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ITEM_INTEGER = 1,
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ITEM_FLOAT = 2,
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ITEM_DOUBLE = 3,
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ITEM_LONG = 4,
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ITEM_NULL = 5,
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ITEM_UNINITIALIZED_THIS = 6,
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ITEM_OBJECT = 7,
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ITEM_UNINITIALIZED = 8,
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ITEM_BOOLEAN = 9,
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ITEM_BYTE = 10,
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ITEM_SHORT = 11,
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ITEM_CHAR = 12,
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ITEM_LONG_2ND = 13,
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ITEM_DOUBLE_2ND = 14;
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HashMap<Integer, TypeKind> localVarTypes = new HashMap<>();
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private static record Type(int tag, ClassDesc sym, int bci) {
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//singleton types
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static final Type TOP_TYPE = simpleType(ITEM_TOP),
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NULL_TYPE = simpleType(ITEM_NULL),
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INTEGER_TYPE = simpleType(ITEM_INTEGER),
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FLOAT_TYPE = simpleType(ITEM_FLOAT),
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LONG_TYPE = simpleType(ITEM_LONG),
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LONG2_TYPE = simpleType(ITEM_LONG_2ND),
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DOUBLE_TYPE = simpleType(ITEM_DOUBLE),
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BOOLEAN_TYPE = simpleType(ITEM_BOOLEAN),
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BYTE_TYPE = simpleType(ITEM_BYTE),
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CHAR_TYPE = simpleType(ITEM_CHAR),
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SHORT_TYPE = simpleType(ITEM_SHORT),
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DOUBLE2_TYPE = simpleType(ITEM_DOUBLE_2ND),
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UNITIALIZED_THIS_TYPE = simpleType(ITEM_UNINITIALIZED_THIS);
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//frequently used types to reduce footprint
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static final Type OBJECT_TYPE = referenceType(CD_Object),
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THROWABLE_TYPE = referenceType(CD_Throwable),
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INT_ARRAY_TYPE = referenceType(CD_int.arrayType()),
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BOOLEAN_ARRAY_TYPE = referenceType(CD_boolean.arrayType()),
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BYTE_ARRAY_TYPE = referenceType(CD_byte.arrayType()),
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CHAR_ARRAY_TYPE = referenceType(CD_char.arrayType()),
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SHORT_ARRAY_TYPE = referenceType(CD_short.arrayType()),
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LONG_ARRAY_TYPE = referenceType(CD_long.arrayType()),
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DOUBLE_ARRAY_TYPE = referenceType(CD_double.arrayType()),
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FLOAT_ARRAY_TYPE = referenceType(CD_float.arrayType()),
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STRING_TYPE = referenceType(CD_String),
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CLASS_TYPE = referenceType(CD_Class),
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METHOD_HANDLE_TYPE = referenceType(CD_MethodHandle),
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METHOD_TYPE = referenceType(CD_MethodType);
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@Override
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public String toString(){
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return switch(tag){
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case ITEM_TOP -> "TOP";
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case ITEM_INTEGER -> "int";
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case ITEM_FLOAT -> "float";
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case ITEM_DOUBLE -> "double";
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case ITEM_LONG -> "long";
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case ITEM_NULL -> sym==null?"null":"null("+sym.displayName()+")";
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case ITEM_UNINITIALIZED_THIS -> sym==null?"uninitialized(this)":"uninitialized(this "+sym.displayName()+")";
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case ITEM_OBJECT -> "Object("+sym.displayName()+")";
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case ITEM_UNINITIALIZED -> sym==null?"uninitialized()":"uninitialized("+sym.displayName()+")";
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case ITEM_BOOLEAN -> "boolean";
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case ITEM_BYTE -> "byte";
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case ITEM_SHORT -> "short";
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case ITEM_CHAR -> "char";
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case ITEM_LONG_2ND -> "float2";
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case ITEM_DOUBLE_2ND -> "double2";
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default -> throw new IllegalStateException("Unexpected value: " + tag);
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};
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}
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private static Type simpleType(int tag) {
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return new Type(tag, null, 0);
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}
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static Type referenceType(ClassDesc desc) {
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return new Type(ITEM_OBJECT, desc, 0);
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}
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static Type uninitializedType(ClassDesc sym) {
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return new Type(ITEM_UNINITIALIZED, sym, 0);
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}
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@Override //mandatory override to avoid use of method reference during JDK bootstrap
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public boolean equals(Object o) {
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return (o instanceof Type t) && t.tag == tag && t.bci == bci && Objects.equals(sym, t.sym);
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}
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boolean isCategory2_2nd() {
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return this == DOUBLE2_TYPE || this == LONG2_TYPE;
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}
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boolean isReference() {
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return tag == ITEM_OBJECT || this == NULL_TYPE;
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}
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boolean isObject() {
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return tag == ITEM_OBJECT && sym.isClassOrInterface();
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}
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boolean isArray() {
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return tag == ITEM_OBJECT && sym.isArray();
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}
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static Type verificationType(StackMapFrameInfo.VerificationTypeInfo v){
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return switch (v){
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case StackMapFrameInfo.ObjectVerificationTypeInfo o -> Type.referenceType(o.classSymbol());
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case StackMapFrameInfo.SimpleVerificationTypeInfo s -> Type.simpleType(s.tag());
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case StackMapFrameInfo.UninitializedVerificationTypeInfo u -> {
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//Type.simpleType(u.tag());
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throw new RuntimeException();
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}
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};
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}
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ClassDesc toCD(){
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return switch (tag) {
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case ITEM_BOOLEAN -> CD_boolean;
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case ITEM_BYTE -> CD_byte;
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case ITEM_CHAR -> CD_char;
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case ITEM_SHORT -> CD_short;
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case ITEM_INTEGER -> CD_int;
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case ITEM_LONG -> CD_long;
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case ITEM_FLOAT -> CD_float;
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case ITEM_DOUBLE -> CD_double;
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case ITEM_OBJECT -> sym;
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default -> throw new RuntimeException();
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};
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}
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Type toArray() {
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return switch (tag) {
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case ITEM_BOOLEAN -> BOOLEAN_ARRAY_TYPE;
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case ITEM_BYTE -> BYTE_ARRAY_TYPE;
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case ITEM_CHAR -> CHAR_ARRAY_TYPE;
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case ITEM_SHORT -> SHORT_ARRAY_TYPE;
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case ITEM_INTEGER -> INT_ARRAY_TYPE;
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case ITEM_LONG -> LONG_ARRAY_TYPE;
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case ITEM_FLOAT -> FLOAT_ARRAY_TYPE;
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case ITEM_DOUBLE -> DOUBLE_ARRAY_TYPE;
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case ITEM_OBJECT -> Type.referenceType(sym.arrayType());
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default -> OBJECT_TYPE;
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};
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}
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Type getComponent() {
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if (isArray()) {
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var comp = sym.componentType();
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if (comp.isPrimitive()) {
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return switch (comp.descriptorString().charAt(0)) {
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case 'Z' -> Type.BOOLEAN_TYPE;
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case 'B' -> Type.BYTE_TYPE;
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case 'C' -> Type.CHAR_TYPE;
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case 'S' -> Type.SHORT_TYPE;
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case 'I' -> Type.INTEGER_TYPE;
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case 'J' -> Type.LONG_TYPE;
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case 'F' -> Type.FLOAT_TYPE;
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case 'D' -> Type.DOUBLE_TYPE;
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default -> Type.TOP_TYPE;
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};
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}
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return Type.referenceType(comp);
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}
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return Type.TOP_TYPE;
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}
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}
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final ArrayList<Type> stack = new ArrayList<>();
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final ArrayList<Type> locals = new ArrayList<>();
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// HashMap<Integer, TypeKind> localVarTypes = new HashMap<>();
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// StackMapFrameInfo currentFrame;
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HashMap<Integer, ClassDesc> parameter_map = new HashMap<>();
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HashMap<Label, StackMapFrameInfo> stackMapFrames = new HashMap<>();
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StackMapFrameInfo currentFrame;
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ArrayList<LocalStore> localStore = new ArrayList<>();
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final int local_param_off;
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final StateMachineBuilder smb;
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LocalTracker(StateMachineBuilder smb, CodeModel com, int local_param_off) {
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this.local_param_off = local_param_off;
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this.smb = smb;
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int offset = 0;
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for (var param : smb.params) {
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parameter_map.put(offset, param);
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if(param == CD_long){
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setLocal2(offset, Type.DOUBLE_TYPE, Type.DOUBLE2_TYPE);
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}else if(param == CD_double){
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setLocal2(offset, Type.LONG_TYPE, Type.LONG2_TYPE);
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}else if(!param.isPrimitive()){
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setLocal(offset, Type.referenceType(param));
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}else if(param == CD_float){
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setLocal(offset, Type.FLOAT_TYPE);
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}else if(param == CD_char){
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setLocal(offset, Type.CHAR_TYPE);
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}else if(param == CD_boolean){
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setLocal(offset, Type.BOOLEAN_TYPE);
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}else if(param == CD_byte){
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setLocal(offset, Type.BYTE_TYPE);
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}else if(param == CD_short){
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setLocal(offset, Type.SHORT_TYPE);
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}else{
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setLocal(offset, Type.INTEGER_TYPE);
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}
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offset += TypeKind.from(param).slotSize();
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}
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@ -37,13 +239,215 @@ public class LocalTracker {
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var locals = new ArrayList<>(smfi.locals());
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for (int i = 0; i < smb.params.length; i++)
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locals.removeFirst();
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// locals.addFirst(StackMapFrameInfo.ObjectVerificationTypeInfo.of(smb.CD_this));
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entries.add(StackMapFrameInfo.of(smfi.target(), locals, smfi.stack()));
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stackMapFrames.put(smfi.target(), entries.getLast());
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}
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}
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}
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LocalTracker pushStack(ClassDesc desc) {
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if (desc == CD_long) return pushStack(Type.LONG_TYPE, Type.LONG2_TYPE);
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if (desc == CD_double) return pushStack(Type.DOUBLE_TYPE, Type.DOUBLE2_TYPE);
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return desc == CD_void ? this
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: pushStack(
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desc.isPrimitive()
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? (desc == CD_float ? Type.FLOAT_TYPE : Type.INTEGER_TYPE)
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: Type.referenceType(desc));
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}
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LocalTracker pushStack(Type type) {
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stack.add(type);
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return this;
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}
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LocalTracker pushStack(Type type1, Type type2) {
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stack.add(type1);
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stack.add(type2);
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return this;
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}
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Type popStack() {
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return stack.removeLast();
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}
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LocalTracker decStack(int size) {
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for(int i = 0; i < size; i ++)stack.removeLast();
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return this;
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}
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void setLocal(int slot, Type type){
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while(locals.size()<=slot)locals.add(null);
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var old = locals.get(slot);
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if(old == Type.DOUBLE_TYPE || old == Type.LONG_TYPE)
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locals.set(slot+1, Type.TOP_TYPE);
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if(old == Type.DOUBLE2_TYPE || old == Type.LONG2_TYPE)
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locals.set(slot-1, Type.TOP_TYPE);
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locals.set(slot, type);
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}
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void setLocal2(int slot, Type type1, Type type2){
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while(locals.size()<=slot+1)locals.add(null);
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var old = locals.get(slot+1);
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if(old == Type.DOUBLE_TYPE || old == Type.LONG_TYPE)
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locals.set(slot+2, Type.TOP_TYPE);
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old = locals.get(slot);
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if(old == Type.DOUBLE2_TYPE || old == Type.LONG2_TYPE)
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locals.set(slot-1, Type.TOP_TYPE);
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locals.set(slot, type1);
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locals.set(slot+1, type2);
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}
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public void encounter(CodeElement ce){
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switch(ce){
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case Label l -> encounterLabel(l);
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case Instruction ins -> {
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switch (ins) {
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case ArrayLoadInstruction al -> {
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popStack();
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var arr = popStack();
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pushStack(arr.toCD().componentType());
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}
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case ArrayStoreInstruction as -> decStack(1 + as.typeKind().slotSize());
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case BranchInstruction b when b.opcode() == Opcode.GOTO || b.opcode() == Opcode.GOTO_W -> {}
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case BranchInstruction b -> popStack();
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case ConstantInstruction c when ins.opcode() == Opcode.ACONST_NULL -> pushStack(Type.NULL_TYPE);
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case ConstantInstruction c -> pushStack(c.typeKind().upperBound());
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case ConvertInstruction c -> decStack(c.fromType().slotSize()).pushStack(c.toType().upperBound());
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case FieldInstruction f -> {
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}
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case IncrementInstruction i -> {}
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case InvokeDynamicInstruction i -> {
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for(var param : i.typeSymbol().parameterArray())
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decStack(TypeKind.from(param).slotSize());
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pushStack(i.typeSymbol().returnType());
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}
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case InvokeInstruction i when i.opcode() == Opcode.INVOKESTATIC -> {
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for(var param : i.typeSymbol().parameterArray())
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decStack(TypeKind.from(param).slotSize());
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pushStack(i.typeSymbol().returnType());
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}
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case InvokeInstruction i when i.opcode() == Opcode.INVOKESPECIAL && i.name().equalsString(INIT_NAME) -> {
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for(var param : i.typeSymbol().parameterArray())
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decStack(TypeKind.from(param).slotSize());
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var ty = popStack();
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}
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case InvokeInstruction i -> {
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for(var param : i.typeSymbol().parameterArray())
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decStack(TypeKind.from(param).slotSize());
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popStack();
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pushStack(i.typeSymbol().returnType());
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}
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case LoadInstruction l when locals.size()<=l.slot()||locals.get(l.slot())==null ->
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pushStack(l.typeKind().upperBound());
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case LoadInstruction l ->
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pushStack(locals.get(l.slot()).toCD());
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case LookupSwitchInstruction ls -> popStack();
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case MonitorInstruction m -> popStack();
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case NewMultiArrayInstruction nma -> decStack(nma.dimensions()).pushStack(nma.arrayType().asSymbol());
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case NewObjectInstruction no -> pushStack(no.className().asSymbol());
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case NewPrimitiveArrayInstruction npa -> decStack(1).pushStack(npa.typeKind().upperBound().arrayType());
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case NewReferenceArrayInstruction nra -> decStack(1).pushStack(nra.componentType().asSymbol());
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case NopInstruction n -> {}
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case OperatorInstruction o -> {
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switch(o.opcode()){
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case IADD, ISUB, IMUL, IDIV, IREM, ISHL, ISHR, IUSHR, IOR, IXOR, IAND ->
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decStack(2).pushStack(Type.INTEGER_TYPE);
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case INEG, ARRAYLENGTH, INSTANCEOF ->
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decStack(1).pushStack(Type.INTEGER_TYPE);
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case LADD, LSUB, LMUL, LDIV, LREM, LAND, LOR, LXOR ->
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decStack(4).pushStack(Type.LONG_TYPE, Type.LONG2_TYPE);
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case LNEG ->
|
||||
decStack(2).pushStack(Type.LONG_TYPE, Type.LONG2_TYPE);
|
||||
case LSHL, LSHR, LUSHR ->
|
||||
decStack(3).pushStack(Type.LONG_TYPE, Type.LONG2_TYPE);
|
||||
case FADD, FSUB, FMUL, FDIV, FREM ->
|
||||
decStack(2).pushStack(Type.FLOAT_TYPE);
|
||||
case FNEG ->
|
||||
decStack(1).pushStack(Type.FLOAT_TYPE);
|
||||
case DADD, DSUB, DMUL, DDIV, DREM ->
|
||||
decStack(4).pushStack(Type.DOUBLE_TYPE, Type.DOUBLE2_TYPE);
|
||||
case DNEG ->
|
||||
decStack(2).pushStack(Type.DOUBLE_TYPE, Type.DOUBLE2_TYPE);
|
||||
default -> throw new RuntimeException();
|
||||
}
|
||||
}
|
||||
case StackInstruction s -> {
|
||||
Type type1, type2, type3, type4;
|
||||
switch(s.opcode()){
|
||||
case POP ->
|
||||
decStack(1);
|
||||
case POP2 ->
|
||||
decStack(2);
|
||||
case DUP ->
|
||||
pushStack(type1 = popStack()).pushStack(type1);
|
||||
case DUP_X1 -> {
|
||||
type1 = popStack();
|
||||
type2 = popStack();
|
||||
pushStack(type1).pushStack(type2).pushStack(type1);
|
||||
}
|
||||
case DUP_X2 -> {
|
||||
type1 = popStack();
|
||||
type2 = popStack();
|
||||
type3 = popStack();
|
||||
pushStack(type1).pushStack(type3).pushStack(type2).pushStack(type1);
|
||||
}
|
||||
case DUP2 -> {
|
||||
type1 = popStack();
|
||||
type2 = popStack();
|
||||
pushStack(type2).pushStack(type1).pushStack(type2).pushStack(type1);
|
||||
}
|
||||
case DUP2_X1 -> {
|
||||
type1 = popStack();
|
||||
type2 = popStack();
|
||||
type3 = popStack();
|
||||
pushStack(type2).pushStack(type1).pushStack(type3).pushStack(type2).pushStack(type1);
|
||||
}
|
||||
case DUP2_X2 -> {
|
||||
type1 = popStack();
|
||||
type2 = popStack();
|
||||
type3 = popStack();
|
||||
type4 = popStack();
|
||||
pushStack(type2).pushStack(type1).pushStack(type4).pushStack(type3).pushStack(type2).pushStack(type1);
|
||||
}
|
||||
case SWAP -> {
|
||||
type1 = popStack();
|
||||
type2 = popStack();
|
||||
pushStack(type1);
|
||||
pushStack(type2);
|
||||
}
|
||||
default -> throw new RuntimeException();
|
||||
}
|
||||
}
|
||||
|
||||
case ReturnInstruction r when r.typeKind()==TypeKind.VOID -> {}
|
||||
case ReturnInstruction r -> decStack(r.typeKind().slotSize());
|
||||
|
||||
case StoreInstruction s when s.typeKind() == TypeKind.DOUBLE -> decStack(2).setLocal2(s.slot(), Type.DOUBLE_TYPE, Type.DOUBLE2_TYPE);
|
||||
case StoreInstruction s when s.typeKind() == TypeKind.LONG -> decStack(2).setLocal2(s.slot(), Type.LONG_TYPE, Type.LONG2_TYPE);
|
||||
case StoreInstruction s -> setLocal(s.slot(), popStack());
|
||||
|
||||
case TableSwitchInstruction ts -> popStack();
|
||||
case ThrowInstruction t -> popStack();
|
||||
case TypeCheckInstruction tc -> {}
|
||||
case DiscontinuedInstruction d -> throw new IllegalStateException(d.toString());
|
||||
default -> throw new IllegalStateException();
|
||||
}
|
||||
}
|
||||
case PseudoInstruction _ -> {}
|
||||
case RuntimeInvisibleTypeAnnotationsAttribute _ -> {}
|
||||
case RuntimeVisibleTypeAnnotationsAttribute _ -> {}
|
||||
case CustomAttribute<?> _ -> {}
|
||||
case StackMapTableAttribute _ -> {}
|
||||
}
|
||||
if(ce instanceof Instruction)
|
||||
System.out.println("loc: " + locals + " stack: " + stack);
|
||||
}
|
||||
|
||||
|
||||
//Tries its best to reuse old saved locals field slots, only reuses if types exactly match
|
||||
public void savingLocals(ClassDesc cd, CodeBuilder cob, Runnable run) {
|
||||
|
|
@ -51,19 +455,9 @@ public class LocalTracker {
|
|||
}
|
||||
|
||||
var saved = new ArrayList<Saved>();
|
||||
var lls = new ArrayList<>(localStore);
|
||||
currentLocals((slot, tk, desc) -> {
|
||||
String name = null;
|
||||
for (int i = 0; i < lls.size(); i++)
|
||||
if (lls.get(i).cd.equals(desc)) {
|
||||
name = lls.get(i).name;
|
||||
lls.remove(i);
|
||||
break;
|
||||
}
|
||||
if (name == null) {
|
||||
name = StateMachineBuilder.LOCAL_PREFIX + localStore.size();
|
||||
String name = LOCAL_PREFIX + localStore.size();
|
||||
localStore.add(new LocalStore(name, desc));
|
||||
}
|
||||
saved.add(new Saved(slot, name, desc));
|
||||
cob.aload(0).loadLocal(tk, slot).putfield(cd, name, desc);
|
||||
});
|
||||
|
|
@ -83,8 +477,12 @@ public class LocalTracker {
|
|||
public void encounterLabel(Label l) {
|
||||
var tmp = stackMapFrames.get(l);
|
||||
if (tmp != null) {
|
||||
localVarTypes.clear();
|
||||
currentFrame = tmp;
|
||||
stack.clear();
|
||||
locals.clear();
|
||||
for( var sl : tmp.stack())
|
||||
pushStack(Type.verificationType(sl));
|
||||
for( var local : tmp.locals())
|
||||
locals.add(Type.verificationType(local));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -92,53 +490,17 @@ public class LocalTracker {
|
|||
return parameter_map.get(slot);
|
||||
}
|
||||
|
||||
public void trackLocal(int slot, TypeKind typeKind) {
|
||||
localVarTypes.put(slot, typeKind);
|
||||
}
|
||||
|
||||
public interface LocalConsumer {
|
||||
void consume(int slot, TypeKind tk, ClassDesc desc);
|
||||
}
|
||||
|
||||
public void currentLocals(LocalConsumer consumer) {
|
||||
var slot = local_param_off;
|
||||
if (currentFrame != null) {
|
||||
for (var kind : currentFrame.locals()) {
|
||||
switch (kind) {
|
||||
case StackMapFrameInfo.ObjectVerificationTypeInfo o -> {
|
||||
if (slot != 0)
|
||||
consumer.consume(slot, o.className().typeKind(), o.classSymbol());
|
||||
slot += 1;
|
||||
}
|
||||
case StackMapFrameInfo.SimpleVerificationTypeInfo ti -> {
|
||||
if (kind == TOP) {
|
||||
slot += 1;
|
||||
if (localVarTypes.get(slot - 1) instanceof TypeKind tk) {
|
||||
ClassDesc cd = tk.upperBound();
|
||||
consumer.consume(slot - 1, tk, cd);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
var type = switch (ti) {
|
||||
case INTEGER -> TypeKind.INT;
|
||||
case FLOAT -> TypeKind.FLOAT;
|
||||
case DOUBLE -> TypeKind.DOUBLE;
|
||||
case LONG -> TypeKind.LONG;
|
||||
case NULL -> TypeKind.REFERENCE;
|
||||
default -> throw new IllegalStateException();
|
||||
};
|
||||
consumer.consume(slot, type, type.upperBound());
|
||||
slot += 1;
|
||||
}
|
||||
case StackMapFrameInfo.UninitializedVerificationTypeInfo _ -> throw new IllegalStateException();
|
||||
}
|
||||
}
|
||||
}else{
|
||||
for (var entry : localVarTypes.entrySet()) {
|
||||
if (entry.getKey() < slot) continue;
|
||||
ClassDesc cd = entry.getValue().upperBound();
|
||||
consumer.consume(entry.getKey(), TypeKind.from(cd), cd);
|
||||
}
|
||||
int slot = 0;
|
||||
for (var entry : locals) {
|
||||
slot++;
|
||||
if (slot <= local_param_off) continue;
|
||||
if(entry.isCategory2_2nd())continue;
|
||||
consumer.consume(slot - smb.paramSlotOff + local_param_off - 1, TypeKind.from(entry.toCD()), entry.toCD());
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -121,10 +121,6 @@ public abstract class StateMachineBuilder {
|
|||
ctb -> ctb.catchingAll(
|
||||
blc ->
|
||||
blc.aload(0).loadConstant(-1).putfield(CD_this, STATE_NAME, ConstantDescs.CD_int)
|
||||
.new_(ClassDesc.ofDescriptor(RuntimeException.class.descriptorString()))
|
||||
.dup_x1()
|
||||
.swap()
|
||||
.invokespecial(ClassDesc.ofDescriptor(RuntimeException.class.descriptorString()), ConstantDescs.INIT_NAME, MethodTypeDesc.of(ConstantDescs.CD_void, ConstantDescs.CD_Throwable))
|
||||
.athrow()
|
||||
)
|
||||
).aconst_null().areturn();
|
||||
|
|
@ -133,6 +129,8 @@ public abstract class StateMachineBuilder {
|
|||
public void buildStateMachineCode(ClassBuilder clb, CodeBuilder cob, int loc_param_off) {
|
||||
boolean ignore_next_pop = false;
|
||||
|
||||
System.out.println();
|
||||
System.out.println("Begin");
|
||||
this.lt = new LocalTracker(this, src_com, loc_param_off);
|
||||
|
||||
var invalidState = cob.newLabel();
|
||||
|
|
@ -172,9 +170,6 @@ public abstract class StateMachineBuilder {
|
|||
}
|
||||
}
|
||||
}
|
||||
if (coe instanceof Label l) {
|
||||
lt.encounterLabel(l);
|
||||
}
|
||||
if (coe instanceof InvokeInstruction is){
|
||||
if(smmap.get(new SpecialMethod(is.owner().asSymbol(), is.name().stringValue(), is.typeSymbol())) != null){
|
||||
if(currentHandler!=null)throw new RuntimeException("Multiple method handlers at once not supported");
|
||||
|
|
@ -189,7 +184,9 @@ public abstract class StateMachineBuilder {
|
|||
continue;
|
||||
}
|
||||
}
|
||||
if(coe instanceof LocalVariable lv) System.out.println(lv);
|
||||
|
||||
lt.encounter(coe);
|
||||
|
||||
|
||||
switch (coe) {
|
||||
// locals which were once function parameters can be ignored
|
||||
|
|
@ -216,10 +213,8 @@ public abstract class StateMachineBuilder {
|
|||
cob.aload(0).dup_x2().pop().putfield(CD_this, PARAM_PREFIX + ls.slot(), lt.paramType(ls.slot()));
|
||||
case StoreInstruction ls when ls.slot() < paramSlotOff ->
|
||||
cob.aload(0).swap().putfield(CD_this, PARAM_PREFIX + ls.slot(), lt.paramType(ls.slot()));
|
||||
case StoreInstruction ls -> {
|
||||
lt.trackLocal(ls.slot() - paramSlotOff + loc_param_off, ls.typeKind());
|
||||
case StoreInstruction ls ->
|
||||
cob.storeLocal(ls.typeKind(), ls.slot() - paramSlotOff + loc_param_off);
|
||||
}
|
||||
|
||||
default -> cob.with(coe);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue