diff options
Diffstat (limited to 'syntax.c')
-rw-r--r-- | syntax.c | 63 |
1 files changed, 36 insertions, 27 deletions
@@ -30,6 +30,7 @@ char const *language_comment_start(Language l) { case LANG_CPP: case LANG_JAVASCRIPT: case LANG_TYPESCRIPT: + case LANG_JSON: // JSON technically doesn't have comments but apparently some parsers support this so might as well have this here case LANG_JAVA: case LANG_GO: return "// "; @@ -40,6 +41,7 @@ char const *language_comment_start(Language l) { case LANG_TEX: return "% "; case LANG_HTML: + case LANG_XML: return "<!-- "; case LANG_NONE: case LANG_MARKDOWN: @@ -118,11 +120,10 @@ bool syntax_is_opening_bracket(Language lang, char32_t c) { } // lookup the given string in the keywords table -static Keyword const *syntax_keyword_lookup(const KeywordList *all_keywords, size_t n_all_keywords, char32_t const *str, size_t len) { +static Keyword const *syntax_keyword_lookup(const KeywordList *all_keywords, char32_t const *str, size_t len) { if (!len) return NULL; - if (str[0] >= n_all_keywords) return NULL; - const KeywordList *list = &all_keywords[str[0]]; + const KeywordList *list = &all_keywords[str[0] % 128]; const Keyword *keywords = list->keywords; size_t nkeywords = list->len; if (keywords) { @@ -289,11 +290,9 @@ static void syntax_highlight_c_cpp(SyntaxState *state_ptr, bool cpp, char32_t co u32 keyword_len = syntax_keyword_len(cpp ? LANG_CPP : LANG_C, line, i, line_len); Keyword const *keyword = NULL; if (cpp) - keyword = syntax_keyword_lookup(syntax_all_keywords_cpp, arr_count(syntax_all_keywords_cpp), - &line[i], keyword_len); + keyword = syntax_keyword_lookup(syntax_all_keywords_cpp, &line[i], keyword_len); if (!keyword) - keyword = syntax_keyword_lookup(syntax_all_keywords_c, arr_count(syntax_all_keywords_c), - &line[i], keyword_len); + keyword = syntax_keyword_lookup(syntax_all_keywords_c, &line[i], keyword_len); if (keyword) { SyntaxCharType type = keyword->type; @@ -520,8 +519,7 @@ static void syntax_highlight_rust(SyntaxState *state, char32_t const *line, u32 } if (char_types && !in_string && !comment_depth && !in_number) { u32 keyword_len = syntax_keyword_len(LANG_RUST, line, i, line_len); - Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_rust, arr_count(syntax_all_keywords_rust), - &line[i], keyword_len); + Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_rust, &line[i], keyword_len); if (keyword) { SyntaxCharType type = keyword->type; for (size_t j = 0; j < keyword_len; ++j) { @@ -649,8 +647,7 @@ static void syntax_highlight_python(SyntaxState *state, char32_t const *line, u3 if (char_types && !in_string && !in_number) { u32 keyword_len = syntax_keyword_len(LANG_PYTHON, line, i, line_len); - Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_python, arr_count(syntax_all_keywords_python), - &line[i], keyword_len); + Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_python, &line[i], keyword_len); if (keyword) { SyntaxCharType type = keyword->type; for (size_t j = 0; j < keyword_len; ++j) { @@ -1065,8 +1062,7 @@ static void syntax_highlight_html(SyntaxState *state, char32_t const *line, u32 break; // can't be a keyword on its own. u32 keyword_len = syntax_keyword_len(LANG_HTML, line, i, line_len); - Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_html, arr_count(syntax_all_keywords_html), - &line[i], keyword_len); + Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_html, &line[i], keyword_len); if (keyword) { SyntaxCharType type = keyword->type; for (size_t j = 0; j < keyword_len; ++j) { @@ -1145,8 +1141,7 @@ static void syntax_highlight_config(SyntaxState *state, char32_t const *line, u3 if (is32_ident(line[i-1]) || line[i-1] == '-' || !is32_ident(line[i])) break; // can't be a keyword on its own. u32 keyword_len = syntax_keyword_len(LANG_CONFIG, line, i, line_len); - Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_config, arr_count(syntax_all_keywords_config), - &line[i], keyword_len); + Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_config, &line[i], keyword_len); if (keyword) { SyntaxCharType type = keyword->type; for (size_t j = 0; j < keyword_len; ++j) { @@ -1170,8 +1165,9 @@ static void syntax_highlight_config(SyntaxState *state, char32_t const *line, u3 } } -static void syntax_highlight_javascript_typescript( - SyntaxState *state, char32_t const *line, u32 line_len, SyntaxCharType *char_types, bool is_typescript) { +// highlighting for javascript, typescript, and JSON +static void syntax_highlight_javascript_like( + SyntaxState *state, char32_t const *line, u32 line_len, SyntaxCharType *char_types, Language language) { (void)state; bool string_is_template = (*state & SYNTAX_STATE_JAVASCRIPT_TEMPLATE_STRING) != 0; bool in_multiline_comment = (*state & SYNTAX_STATE_JAVASCRIPT_MULTILINE_COMMENT) != 0; @@ -1284,10 +1280,21 @@ static void syntax_highlight_javascript_typescript( if (char_types && !in_string && !in_number && !in_multiline_comment) { u32 keyword_len = syntax_keyword_len(LANG_JAVASCRIPT, line, i, line_len); - Keyword const *keyword = syntax_keyword_lookup( - is_typescript ? syntax_all_keywords_typescript : syntax_all_keywords_javascript, - is_typescript ? arr_count(syntax_all_keywords_typescript) : arr_count(syntax_all_keywords_javascript), - &line[i], keyword_len); + const KeywordList *keywords = NULL; + switch (language) { + case LANG_JAVASCRIPT: + keywords = syntax_all_keywords_javascript; + break; + case LANG_TYPESCRIPT: + keywords = syntax_all_keywords_typescript; + break; + default: + assert(language == LANG_JSON); + keywords = syntax_all_keywords_json; + break; + } + + Keyword const *keyword = syntax_keyword_lookup(keywords, &line[i], keyword_len); if (keyword) { SyntaxCharType type = keyword->type; for (size_t j = 0; j < keyword_len; ++j) { @@ -1407,8 +1414,7 @@ static void syntax_highlight_java(SyntaxState *state_ptr, char32_t const *line, // keywords don't matter for advancing the state if (char_types && !in_multiline_comment && !in_number && !in_string && !in_char) { u32 keyword_len = syntax_keyword_len(LANG_JAVA, line, i, line_len); - Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_java, arr_count(syntax_all_keywords_java), - &line[i], keyword_len); + Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_java, &line[i], keyword_len); if (keyword) { @@ -1548,8 +1554,7 @@ static void syntax_highlight_go(SyntaxState *state_ptr, char32_t const *line, u3 // keywords don't matter for advancing the state if (char_types && !in_multiline_comment && !in_number && !in_string && !in_char) { u32 keyword_len = syntax_keyword_len(LANG_GO, line, i, line_len); - Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_go, arr_count(syntax_all_keywords_go), - &line[i], keyword_len); + Keyword const *keyword = syntax_keyword_lookup(syntax_all_keywords_go, &line[i], keyword_len); if (keyword) { @@ -1618,6 +1623,7 @@ void syntax_highlight(SyntaxState *state, Language lang, char32_t const *line, u syntax_highlight_markdown(state, line, line_len, char_types); break; case LANG_HTML: + case LANG_XML: syntax_highlight_html(state, line, line_len, char_types); break; case LANG_CONFIG: @@ -1627,10 +1633,13 @@ void syntax_highlight(SyntaxState *state, Language lang, char32_t const *line, u syntax_highlight_config(state, line, line_len, char_types, true); break; case LANG_JAVASCRIPT: - syntax_highlight_javascript_typescript(state, line, line_len, char_types, false); + syntax_highlight_javascript_like(state, line, line_len, char_types, LANG_JAVASCRIPT); break; case LANG_TYPESCRIPT: - syntax_highlight_javascript_typescript(state, line, line_len, char_types, true); + syntax_highlight_javascript_like(state, line, line_len, char_types, LANG_TYPESCRIPT); + break; + case LANG_JSON: + syntax_highlight_javascript_like(state, line, line_len, char_types, LANG_JSON); break; case LANG_JAVA: syntax_highlight_java(state, line, line_len, char_types); |