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| author | Nico Weber <thakis@chromium.org> | 2020-07-26 20:49:17 -0400 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2020-07-27 12:11:19 +0200 |
| commit | 9ee1edae2aefcb95e87b710333127872bb174903 (patch) | |
| tree | d88366114c20b682aa6ddd1afa81a4212e1c4b5f /Libraries | |
| parent | 4d783338c1ce1ce05d9eceb49529c46d524bfd40 (diff) | |
| download | serenity-9ee1edae2aefcb95e87b710333127872bb174903.zip | |
CppLexer: Support raw string literals
Handles prefixes and delimiters (`R"(text)", `u8R"f(text)f"`, ...).
Diffstat (limited to 'Libraries')
| -rw-r--r-- | Libraries/LibGUI/CppLexer.cpp | 22 | ||||
| -rw-r--r-- | Libraries/LibGUI/CppLexer.h | 1 | ||||
| -rw-r--r-- | Libraries/LibGUI/CppSyntaxHighlighter.cpp | 1 |
3 files changed, 24 insertions, 0 deletions
diff --git a/Libraries/LibGUI/CppLexer.cpp b/Libraries/LibGUI/CppLexer.cpp index 45fbd310eb..b7b89e4ec3 100644 --- a/Libraries/LibGUI/CppLexer.cpp +++ b/Libraries/LibGUI/CppLexer.cpp @@ -636,6 +636,28 @@ Vector<CppToken> CppLexer::lex() commit_token(CppToken::Type::DoubleQuotedString); continue; } + if (size_t prefix = match_string_prefix('R'); prefix > 0 && peek(prefix) == '"') { + begin_token(); + for (size_t i = 0; i < prefix + 1; ++i) + consume(); + size_t prefix_start = m_index; + while (peek() && peek() != '(') + consume(); + StringView prefix_string = m_input.substring_view(prefix_start, m_index - prefix_start); + while (peek()) { + if (consume() == '"') { + ASSERT(m_index >= prefix_string.length() + 2); + ASSERT(m_input[m_index - 1] == '"'); + if (m_input[m_index - 1 - prefix_string.length() - 1] == ')') { + StringView suffix_string = m_input.substring_view(m_index - 1 - prefix_string.length(), prefix_string.length()); + if (prefix_string == suffix_string) + break; + } + } + } + commit_token(CppToken::Type::DoubleQuotedString); + continue; + } if (size_t prefix = match_string_prefix('\''); prefix > 0) { begin_token(); for (size_t i = 0; i < prefix; ++i) diff --git a/Libraries/LibGUI/CppLexer.h b/Libraries/LibGUI/CppLexer.h index 5e14dc2d88..e484ee2997 100644 --- a/Libraries/LibGUI/CppLexer.h +++ b/Libraries/LibGUI/CppLexer.h @@ -89,6 +89,7 @@ namespace GUI { __TOKEN(ArrowAsterisk) \ __TOKEN(DoubleQuotedString) \ __TOKEN(SingleQuotedString) \ + __TOKEN(RawString) \ __TOKEN(EscapeSequence) \ __TOKEN(Comment) \ __TOKEN(Integer) \ diff --git a/Libraries/LibGUI/CppSyntaxHighlighter.cpp b/Libraries/LibGUI/CppSyntaxHighlighter.cpp index 329e792ad8..f1b4d225b5 100644 --- a/Libraries/LibGUI/CppSyntaxHighlighter.cpp +++ b/Libraries/LibGUI/CppSyntaxHighlighter.cpp @@ -43,6 +43,7 @@ static TextStyle style_for_token_type(Gfx::Palette palette, CppToken::Type type) return { palette.syntax_identifier() }; case CppToken::Type::DoubleQuotedString: case CppToken::Type::SingleQuotedString: + case CppToken::Type::RawString: return { palette.syntax_string() }; case CppToken::Type::Integer: case CppToken::Type::Float: |