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generalization

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ParkerTenBroeck 2025-04-26 10:07:57 -04:00
parent 9b0a9b7ad2
commit 95e7f6a59e
8 changed files with 174 additions and 104 deletions
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20
src/generator/runtime/StateMachineBuilder.java
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@ -36,7 +36,7 @@ public abstract class StateMachineBuilder {
private final ArrayList<SwitchCase> stateSwitchCases = new ArrayList<>();
protected final String uniqueName(){
protected String uniqueName(){
return sequence+++"";
}
@ -116,9 +116,9 @@ public abstract class StateMachineBuilder {
protected abstract void buildStateMachineMethod(ClassBuilder clb);
public void buildStateMachineMethodCode(ClassBuilder clb, CodeBuilder cob){
public void buildStateMachineMethodCode(ClassBuilder clb, CodeBuilder cob, int loc_param_off){
cob.trying(
tcob -> buildStateMachineCode(clb, tcob),
tcob -> buildStateMachineCode(clb, tcob, loc_param_off),
// catch anything set our state to -1 and throw the exception
ctb -> ctb.catchingAll(
blc ->
@ -132,7 +132,7 @@ public abstract class StateMachineBuilder {
).aconst_null().areturn();
}
public void buildStateMachineCode(ClassBuilder clb, CodeBuilder cob) {
public void buildStateMachineCode(ClassBuilder clb, CodeBuilder cob, int loc_param_off) {
boolean ignore_next_pop = false;
var invalidState = cob.newLabel();
@ -187,25 +187,27 @@ public abstract class StateMachineBuilder {
continue;
}
}
if(coe instanceof LocalVariable lv) System.out.println(lv);
switch (coe) {
// locals which were once function parameters can be ignored
case LocalVariable lv when lv.slot() < paramSlotOff -> {
}
case LocalVariable lv ->
cob.localVariable(lv.slot() - paramSlotOff + 1, lv.name(), lv.type(), lv.startScope(), lv.endScope());
cob.localVariable(lv.slot() - paramSlotOff + loc_param_off, lv.name(), lv.type(), lv.startScope(), lv.endScope());
// increment indexes into the stack
case IncrementInstruction ii when ii.slot() < paramSlotOff ->
cob.aload(0).dup().getfield(CD_this, PARAM_PREFIX + ii.slot(), ConstantDescs.CD_int)
.loadConstant(ii.constant()).iadd()
.putfield(CD_this, PARAM_PREFIX + ii.slot(), ConstantDescs.CD_int);
case IncrementInstruction ii -> cob.iinc(ii.slot() - paramSlotOff + 1, ii.constant());
case IncrementInstruction ii -> cob.iinc(ii.slot() - paramSlotOff + loc_param_off, ii.constant());
// convert local function parameters to class fields and offset regular locals
case LoadInstruction li when li.slot() < paramSlotOff ->
cob.aload(0).getfield(CD_this, PARAM_PREFIX + li.slot(), lt.paramType(li.slot()));
case LoadInstruction li -> cob.loadLocal(li.typeKind(), li.slot() - paramSlotOff + 1);
case LoadInstruction li ->
cob.loadLocal(li.typeKind(), li.slot() - paramSlotOff + loc_param_off);
// convert local function parameters to class fields and offset regular locals
case StoreInstruction ls when ls.slot() < paramSlotOff && ls.typeKind().slotSize() == 2 ->
@ -213,8 +215,8 @@ public abstract class StateMachineBuilder {
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 + 1, ls.typeKind());
cob.storeLocal(ls.typeKind(), ls.slot() - paramSlotOff + 1);
lt.trackLocal(ls.slot() - paramSlotOff + loc_param_off, ls.typeKind());
cob.storeLocal(ls.typeKind(), ls.slot() - paramSlotOff + loc_param_off);
}
default -> cob.with(coe);