ParkerTenBroeck/coroutines
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added stack tracking

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Parker TenBroeck 2025-04-28 14:58:59 -04:00
parent 61b1ca1c12
commit 21412f4670
5 changed files with 473 additions and 86 deletions
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19
src/generator/runtime/StateMachineBuilder.java
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@ -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());
cob.storeLocal(ls.typeKind(), ls.slot() - paramSlotOff + loc_param_off);
}
case StoreInstruction ls ->
cob.storeLocal(ls.typeKind(), ls.slot() - paramSlotOff + loc_param_off);
default -> cob.with(coe);
}