JSSpecCompiler: Split Parser/SpecParser.cpp into 8 files

This SpecParser.cpp had an ever increasing number of lines and contained an implementation of 8 different classes. So I figured out it's about the time to split it. No behavior change.
Author: https://github.com/DanShaders Commit: 7ea2138b6c Pull-request: https://github.com/SerenityOS/serenity/pull/23522 Reviewed-by: https://github.com/ADKaster ✅
2025-05-21 10:32:51 +00:00 · 2024-03-07 23:24:13 -05:00 · 2024-03-07 23:24:13 -05:00 · 7ea2138b6c · 2024-07-17 09:41:18 +09:00
commit 7ea2138b6c
parent b9cfb50f71
11 changed files with 606 additions and 513 deletions
--- a/Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/SpecParsingStep.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/SpecParsingStep.cpp
@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2023, Dan Klishch <danilklishch@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/NonnullOwnPtr.h>
+#include <LibCore/File.h>
+#include <LibXML/Parser/Parser.h>
+
+#include "Function.h"
+#include "Parser/Lexer.h"
+#include "Parser/SpecParser.h"
+#include "Parser/TextParser.h"
+#include "Parser/XMLUtils.h"
+
+namespace JSSpecCompiler {
+
+SpecParsingStep::SpecParsingStep()
+    : CompilationStep("parser"sv)
+{
+}
+
+SpecParsingStep::~SpecParsingStep() = default;
+
+void SpecParsingStep::run(TranslationUnitRef translation_unit)
+{
+    SpecificationParsingContext ctx(translation_unit);
+    auto filename = translation_unit->filename();
+
+    auto file_or_error = Core::File::open_file_or_standard_stream(filename, Core::File::OpenMode::Read);
+    if (file_or_error.is_error()) {
+        ctx.diag().fatal_error(Location::global_scope(),
+            "unable to open '{}': {}", filename, file_or_error.error());
+        return;
+    }
+
+    auto input_or_error = file_or_error.value()->read_until_eof();
+    if (input_or_error.is_error()) {
+        ctx.diag().fatal_error(Location::global_scope(),
+            "unable to read '{}': {}", filename, input_or_error.error());
+        return;
+    }
+    m_input = input_or_error.release_value();
+
+    XML::Parser parser { m_input };
+    auto document_or_error = parser.parse();
+    if (document_or_error.is_error()) {
+        ctx.diag().fatal_error(ctx.file_scope(),
+            "XML::Parser failed to parse input: {}", document_or_error.error());
+        ctx.diag().note(ctx.file_scope(),
+            "since XML::Parser backtracks on error, the message above is likely to point to the "
+            "first tag in the input - use external XML verifier to find out the exact cause of error");
+        return;
+    }
+    m_document = make<XML::Document>(document_or_error.release_value());
+
+    auto const& root = m_document->root();
+    if (!root.is_element() || root.as_element().name != tag_specification) {
+        ctx.diag().fatal_error(ctx.location_from_xml_offset(root.offset),
+            "document root must be <specification> tag");
+        return;
+    }
+
+    m_specification = Specification::create(ctx, &root);
+    m_specification->collect_into(translation_unit);
+}
+
+}