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7ea2138b6c
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.
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* Copyright (c) 2023, Dan Klishch <danilklishch@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/NonnullOwnPtr.h>
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#include <LibCore/File.h>
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#include <LibXML/Parser/Parser.h>
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#include "Function.h"
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#include "Parser/Lexer.h"
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#include "Parser/SpecParser.h"
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#include "Parser/TextParser.h"
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#include "Parser/XMLUtils.h"
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namespace JSSpecCompiler {
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SpecParsingStep::SpecParsingStep()
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: CompilationStep("parser"sv)
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{
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}
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SpecParsingStep::~SpecParsingStep() = default;
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void SpecParsingStep::run(TranslationUnitRef translation_unit)
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{
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SpecificationParsingContext ctx(translation_unit);
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auto filename = translation_unit->filename();
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auto file_or_error = Core::File::open_file_or_standard_stream(filename, Core::File::OpenMode::Read);
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if (file_or_error.is_error()) {
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ctx.diag().fatal_error(Location::global_scope(),
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"unable to open '{}': {}", filename, file_or_error.error());
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return;
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}
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auto input_or_error = file_or_error.value()->read_until_eof();
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if (input_or_error.is_error()) {
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ctx.diag().fatal_error(Location::global_scope(),
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"unable to read '{}': {}", filename, input_or_error.error());
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return;
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}
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m_input = input_or_error.release_value();
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XML::Parser parser { m_input };
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auto document_or_error = parser.parse();
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if (document_or_error.is_error()) {
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ctx.diag().fatal_error(ctx.file_scope(),
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"XML::Parser failed to parse input: {}", document_or_error.error());
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ctx.diag().note(ctx.file_scope(),
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"since XML::Parser backtracks on error, the message above is likely to point to the "
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"first tag in the input - use external XML verifier to find out the exact cause of error");
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return;
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}
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m_document = make<XML::Document>(document_or_error.release_value());
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auto const& root = m_document->root();
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if (!root.is_element() || root.as_element().name != tag_specification) {
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ctx.diag().fatal_error(ctx.location_from_xml_offset(root.offset),
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"document root must be <specification> tag");
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return;
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}
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m_specification = Specification::create(ctx, &root);
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m_specification->collect_into(translation_unit);
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}
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}
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