LibJS: Add to_string definitions to CodeGenerationError and ParserError

Userland/Libraries/LibJS/Bytecode/CodeGenerationError.cpp

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/AST.h>
+#include <LibJS/Bytecode/CodeGenerationError.h>
+
+namespace JS::Bytecode {
+
+ErrorOr<String> CodeGenerationError::to_string() const
+{
+    return String::formatted("CodeGenerationError in {}: {}", failing_node ? failing_node->class_name() : "<unknown node>", reason_literal);
+}
+
+}

Userland/Libraries/LibJS/Bytecode/CodeGenerationError.h

@@ -7,6 +7,7 @@
 #pragma once
 
 #include <AK/Error.h>
+#include <AK/String.h>
 #include <AK/StringView.h>
 #include <LibJS/Forward.h>
 
@@ -16,6 +17,7 @@ struct CodeGenerationError {
     ASTNode const* failing_node { nullptr };
     StringView reason_literal;
 
+    ErrorOr<String> to_string() const;
     DeprecatedString to_deprecated_string();
 };
 

Userland/Libraries/LibJS/CMakeLists.txt

@@ -2,6 +2,7 @@ set(SOURCES
     AST.cpp
     Bytecode/ASTCodegen.cpp
     Bytecode/BasicBlock.cpp
+    Bytecode/CodeGenerationError.cpp
     Bytecode/Executable.cpp
     Bytecode/Generator.cpp
     Bytecode/IdentifierTable.cpp

Userland/Libraries/LibJS/ParserError.cpp

@@ -12,6 +12,13 @@
 
 namespace JS {
 
+ErrorOr<String> ParserError::to_string() const
+{
+    if (!position.has_value())
+        return String::from_deprecated_string(message);
+    return String::formatted("{} (line: {}, column: {})", message, position.value().line, position.value().column);
+}
+
 DeprecatedString ParserError::to_deprecated_string() const
 {
     if (!position.has_value())

Userland/Libraries/LibJS/ParserError.h

@@ -8,7 +8,9 @@
 #pragma once
 
 #include <AK/DeprecatedString.h>
+#include <AK/Error.h>
 #include <AK/Optional.h>
+#include <AK/String.h>
 #include <LibJS/SourceRange.h>
 
 namespace JS {
@@ -17,6 +19,7 @@ struct ParserError {
     DeprecatedString message;
     Optional<Position> position;
 
+    ErrorOr<String> to_string() const;
     DeprecatedString to_deprecated_string() const;
     DeprecatedString source_location_hint(StringView source, char const spacer = ' ', char const indicator = '^') const;
 };