LibJS: Add Bytecode::Executable::dump()

Let's have a helper for producing a consistent executable dump instead
of repeating the logic in multiple places.

3 files changed, 47 insertions, 8 deletions

diff --git a/Userland/Libraries/LibJS/Bytecode/Executable.cpp b/Userland/Libraries/LibJS/Bytecode/Executable.cpp
new file mode 100644
index 0000000000..caa34ba450
--- /dev/null
+++ b/Userland/Libraries/LibJS/Bytecode/Executable.cpp
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Bytecode/Executable.h>
+
+namespace JS::Bytecode {
+
+void Executable::dump() const
+{
+    for (auto& block : basic_blocks)
+        block.dump(*this);
+    if (!string_table->is_empty()) {
+        outln();
+        string_table->dump();
+    }
+}
+
+}
diff --git a/Userland/Libraries/LibJS/Bytecode/Executable.h b/Userland/Libraries/LibJS/Bytecode/Executable.h
new file mode 100644
index 0000000000..7b20e8004d
--- /dev/null
+++ b/Userland/Libraries/LibJS/Bytecode/Executable.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/NonnullOwnPtrVector.h>
+#include <LibJS/Bytecode/BasicBlock.h>
+#include <LibJS/Bytecode/StringTable.h>
+
+namespace JS::Bytecode {
+
+struct Executable {
+    NonnullOwnPtrVector<BasicBlock> basic_blocks;
+    NonnullOwnPtr<StringTable> string_table;
+    size_t number_of_registers { 0 };
+
+    String const& get_string(StringTableIndex index) const { return string_table->get(index); }
+
+    void dump() const;
+};
+
+}
diff --git a/Userland/Libraries/LibJS/Bytecode/Generator.h b/Userland/Libraries/LibJS/Bytecode/Generator.h
index 49b34e138a..a0491deaaf 100644
--- a/Userland/Libraries/LibJS/Bytecode/Generator.h
+++ b/Userland/Libraries/LibJS/Bytecode/Generator.h
@@ -10,6 +10,7 @@
 #include <AK/OwnPtr.h>
 #include <AK/SinglyLinkedList.h>
 #include <LibJS/Bytecode/BasicBlock.h>
+#include <LibJS/Bytecode/Executable.h>
 #include <LibJS/Bytecode/Label.h>
 #include <LibJS/Bytecode/Op.h>
 #include <LibJS/Bytecode/Register.h>
@@ -18,14 +19,6 @@
 
 namespace JS::Bytecode {
 
-struct Executable {
-    NonnullOwnPtrVector<BasicBlock> basic_blocks;
-    NonnullOwnPtr<StringTable> string_table;
-    size_t number_of_registers { 0 };
-
-    String const& get_string(StringTableIndex index) const { return string_table->get(index); }
-};
-
 class Generator {
 public:
     static Executable generate(ASTNode const&, bool is_in_generator_function = false);