b6bef6b688
Produce JS-visible string results as UTF-16 at their source, including numeric formatting, BigInt and BigFraction formatting, URI encoding, console formatting, parser errors, regular expression errors, Intl and Temporal records, LibUnicode locale boundaries, and LibWeb bindings. Handle fractional radix formatting through the UTF-16 builder view.
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
/*
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* Copyright (c) 2020, Stephan Unverwerth <s.unverwerth@serenityos.org>
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* Copyright (c) 2021-2022, David Tuin <davidot@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/StringBuilder.h>
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#include <AK/StringView.h>
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#include <AK/Vector.h>
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#include <LibJS/ParserError.h>
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#include <LibJS/Token.h>
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namespace JS {
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Utf16String ParserError::to_utf16_string() const
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{
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if (!position.has_value())
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return message;
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return Utf16String::formatted("{} (line: {}, column: {})", message, position.value().line, position.value().column);
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}
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ByteString ParserError::to_byte_string() const
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{
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if (!position.has_value())
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return message.to_byte_string();
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return Utf16String::formatted("{} (line: {}, column: {})", message, position.value().line, position.value().column).to_byte_string();
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}
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ByteString ParserError::source_location_hint(Utf16View const& source, char spacer, char indicator) const
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{
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if (!position.has_value())
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return {};
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// We need to modify the source to match what the lexer considers one line - normalizing
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// line terminators to \n is easier than splitting using all different LT characters.
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auto source_string = source.replace("\r\n"sv, "\n"sv, ReplaceMode::All).replace("\r"sv, "\n"sv, ReplaceMode::All).replace(LINE_SEPARATOR, "\n"sv, ReplaceMode::All).replace(PARAGRAPH_SEPARATOR, "\n"sv, ReplaceMode::All);
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StringBuilder builder;
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builder.append(source_string.split_view('\n', SplitBehavior::KeepEmpty)[position.value().line - 1]);
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builder.append('\n');
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for (size_t i = 0; i < position.value().column - 1; ++i)
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builder.append(spacer);
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builder.append(indicator);
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return builder.to_byte_string();
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}
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}
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