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from highlighter.common import *
hl_cont_line = simple(r"\\\n", tag=tag_type)
############
# Literals #
############
string_literal = region(
r'"', r'"|[^\\]$', matchall=False, tag=tag_string,
highlighter=(hl_cont_line, hl_inside_strings)
)
character_literal = simple(r"'(?:\\.|.)?'", tag=tag_string)
number_literal = simple(r"\b[0-9]*\.?[0-9]+\b", tag=tag_number)
############
# Comments #
############
comments_subhl = (hl_cont_line, hl_comment_notes)
c99_comment = region(r"//", r"$", tag=tag_comment, name="comment",
highlighter=comments_subhl)
multiline_comment = region(r"/\*", r"\*/", tag=tag_comment, name="ml_comment",
highlighter=(hl_comment_notes,))
preprocessor_comment = region(
r"^{0}#{1}if{2}0".format(ws, ws, ws), r"^{0}#{1}endif".format(ws, ws),
name="preprocessor_comment",
tag=tag_comment,
highlighter=(region_ref("preprocessor_comment"),))
pp_words = "|".join(["define", "if", "elif", "else", "endif", "ifndef",
"error", "import", "undef", "include", "using", "ifdef",
"line", "pragma"])
################
# Preprocessor #
################
preprocessor_directive = region(
r"^{0}#{1}(?:{2})".format(ws, ws, pp_words), r'$',
tag=new_style(lang="General",
name="preprocessor",
label="Preprocessor",
doc="Style used for preprocessor directives",
foreground_colors=("#606090", "#A0A0F0"),
prio=0),
highlighter=(
hl_cont_line,
string_literal,
simple(r'\<.*?\>', tag=tag_string),
character_literal,
number_literal,
c99_comment,
multiline_comment
),
matchall=False
)
#######################
# General highlighter #
#######################
register_highlighter(
language="c",
spec=(
string_literal, character_literal, number_literal,
c99_comment, multiline_comment, preprocessor_comment,
preprocessor_directive,
# Match keywords
words("auto|break|case|const|continue|default|do|else|enum|extern|for"
"|goto|if|register|return|sizeof|static|struct|switch|typedef"
"|union|void|volatile|while", tag=tag_keyword),
words("int|long|char|float|short|unsigned|double|signed",
tag=tag_type)
)
)
register_highlighter(
language="c++",
spec=(
string_literal, character_literal, number_literal,
c99_comment, multiline_comment, preprocessor_comment,
preprocessor_directive,
# Match keywords
words("alignas|alignof|and|and_eq|asm|atomic_cancel|atomic_commit"
"|atomic_noexcept|auto|bitand|bitor|break|case|catch|class"
"|compl|concept|const|constexpr|const_cast|continue|decltype"
"|default|delete|do|dynamic_cast|else|enum|explicit|export"
"|extern|false|for|friend|goto|if|inline|mutable|namespace|new"
"|noexcept|not|not_eq|nullptr|operator|or|or_eq|private"
"|protected|public|register|reinterpret_cast|requires|return"
"|sizeof|static|static_assert|static_cast|struct|switch"
"|synchronized|template|this|thread_local|throw|true|try|typedef"
"|typeid|typename|union|using|virtual|void|volatile|while"
"|xor|xor_eq", tag=tag_keyword),
words("bool|char|char16_t|char32_t|double|float|int|long|short"
"|signed|uint16_t|uint32_t|uint64_t|unsigned|wchar_t",
tag=tag_type)
)
)
|
