Implement printing debug messages for OpPrint and DoMishap

Author: object-Object

Common/src/main/java/gay/object/hexdebug/mixin/MixinDoMishap.java

@@ -0,0 +1,35 @@
+package gay.object.hexdebug.mixin;
+
+import at.petrak.hexcasting.api.spell.casting.CastingHarness;
+import at.petrak.hexcasting.api.spell.casting.sideeffects.OperatorSideEffect;
+import at.petrak.hexcasting.api.spell.mishaps.Mishap;
+import gay.object.hexdebug.casting.eval.IMixinCastingContext;
+import gay.object.hexdebug.casting.eval.IMixinCastingContextKt;
+import org.eclipse.lsp4j.debug.OutputEventArgumentsCategory;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(OperatorSideEffect.DoMishap.class)
+public abstract class MixinDoMishap {
+    @Final
+    @Shadow(remap = false)
+    private Mishap mishap;
+    @Final
+    @Shadow(remap = false)
+    private Mishap.Context errorCtx;
+
+    @SuppressWarnings("UnreachableCode")
+    @Inject(method = "performEffect", at = @At("HEAD"), remap = false)
+    private void printDebugMessage$hexdebug(CastingHarness harness, CallbackInfoReturnable<Boolean> cir) {
+        var ctx = harness.getCtx();
+        var msg = mishap.errorMessage(ctx, errorCtx);
+        var debugCastEnv = (IMixinCastingContext) (Object) ctx;
+        if (debugCastEnv != null && debugCastEnv.isDebugging$hexdebug()) {
+            IMixinCastingContextKt.printDebugMessage(ctx.getCaster(), msg, OutputEventArgumentsCategory.STDERR, true);
+        }
+    }
+}

Common/src/main/java/gay/object/hexdebug/mixin/MixinOpPrintSpell.java

@@ -0,0 +1,30 @@
+package gay.object.hexdebug.mixin;
+
+import at.petrak.hexcasting.api.spell.casting.CastingContext;
+import at.petrak.hexcasting.api.spell.iota.Iota;
+import gay.object.hexdebug.casting.eval.IMixinCastingContext;
+import gay.object.hexdebug.casting.eval.IMixinCastingContextKt;
+import org.eclipse.lsp4j.debug.OutputEventArgumentsCategory;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(targets = "at.petrak.hexcasting.common.casting.operators.spells.OpPrint$Spell")
+public class MixinOpPrintSpell {
+    @Final
+    @Shadow(remap = false)
+    private Iota datum;
+
+    @SuppressWarnings("UnreachableCode")
+    @Inject(method = "cast", at = @At("HEAD"), remap = false)
+    private void printDebugMessage$hexdebug(CastingContext ctx, CallbackInfo ci) {
+        var msg = datum.display();
+        var debugCastEnv = (IMixinCastingContext) (Object) ctx;
+        if (debugCastEnv != null && debugCastEnv.isDebugging$hexdebug()) {
+            IMixinCastingContextKt.printDebugMessage(ctx.getCaster(), msg, OutputEventArgumentsCategory.STDOUT, true);
+        }
+    }
+}

Common/src/main/kotlin/gay/object/hexdebug/debugger/HexDebugger.kt

@@ -49,6 +49,9 @@ class HexDebugger(
 
     @Suppress("CAST_NEVER_SUCCEEDS")
     val debugCastEnv = vm.ctx as IMixinCastingContext
+    init {
+        debugCastEnv.`isDebugging$hexdebug` = true
+    }
 
     var lastEvaluatedMetadata: IotaMetadata? = null
         private set

Common/src/main/resources/hexdebug-common.mixins.json

@@ -8,9 +8,11 @@
   ],
   "mixins": [
     "MixinCastingContext",
+    "MixinDoMishap",
     "MixinFrameEvaluate",
     "MixinMsgShiftScrollSyn",
-    "MixinOpEval"
+    "MixinOpEval",
+    "MixinOpPrintSpell"
   ],
   "injectors": {
     "defaultRequire": 1