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-rw-r--r--syntax.c63
1 files changed, 36 insertions, 27 deletions
diff --git a/syntax.c b/syntax.c
index a8ce4d4..f21999b 100644
--- a/syntax.c
+++ b/syntax.c
@@ -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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 18:10:52 +0000