Enable debug lowering for Interpreter::from (microsoft#2248)

Author: idavis

compiler/qsc/src/interpret.rs

@@ -260,6 +260,7 @@ impl Interpreter {
     }
 
     pub fn from(
+        dbg: bool,
         store: PackageStore,
         source_package_id: qsc_hir::hir::PackageId,
         capabilities: TargetCapabilityFlags,
@@ -277,7 +278,7 @@ impl Interpreter {
 
         let mut fir_store = fir::PackageStore::new();
         for (id, unit) in compiler.package_store() {
-            let mut lowerer = qsc_lowerer::Lowerer::new();
+            let mut lowerer = qsc_lowerer::Lowerer::new().with_debug(dbg);
             let pkg = lowerer.lower_package(&unit.package, &fir_store);
             fir_store.insert(map_hir_package_to_fir(id), pkg);
         }
@@ -310,7 +311,7 @@ impl Interpreter {
             lines: 0,
             capabilities,
             fir_store,
-            lowerer: qsc_lowerer::Lowerer::new(),
+            lowerer: qsc_lowerer::Lowerer::new().with_debug(dbg),
             expr_graph: None,
             env: Env::default(),
             sim: sim_circuit_backend(),
@@ -1060,6 +1061,17 @@ impl Debugger {
         })
     }
 
+    pub fn from(interpreter: Interpreter, position_encoding: Encoding) -> Self {
+        let source_package_id = interpreter.source_package;
+        let unit = interpreter.fir_store.get(source_package_id);
+        let entry_exec_graph = unit.entry_exec_graph.clone();
+        Self {
+            interpreter,
+            position_encoding,
+            state: State::new(source_package_id, entry_exec_graph, None),
+        }
+    }
+
     /// Resumes execution with specified `StepAction`.
     /// # Errors
     /// Returns a vector of errors if evaluating the entry point fails.

compiler/qsc/src/interpret/tests.rs

@@ -1928,6 +1928,7 @@ mod given_interpreter {
             let package_id = store.insert(unit);
 
             let mut interpreter = Interpreter::from(
+                false,
                 store,
                 package_id,
                 capabilities,

pip/src/interop.rs

@@ -558,6 +558,7 @@ fn create_interpreter_from_ast(
     let source_package_id = store.insert(unit);
 
     interpret::Interpreter::from(
+        false,
         store,
         source_package_id,
         capabilities,