diff options
Diffstat (limited to 'syntax.c')
| -rw-r--r-- | syntax.c | 291 |
1 files changed, 208 insertions, 83 deletions
@@ -67,36 +67,15 @@ enum { typedef struct { Language lang; - const char *name; + char name[32]; } LanguageName; -static const LanguageName language_names[] = { - {LANG_NONE, "None"}, - {LANG_C, "C"}, - {LANG_CPP, "C++"}, - {LANG_RUST, "Rust"}, - {LANG_PYTHON, "Python"}, - {LANG_TEX, "Tex"}, - {LANG_MARKDOWN, "Markdown"}, - {LANG_HTML, "HTML"}, - {LANG_CONFIG, "Config"}, - {LANG_JAVASCRIPT, "JavaScript"}, - {LANG_JAVA, "Java"}, - {LANG_GO, "Go"}, - {LANG_TED_CFG, "TedCfg"}, - {LANG_TYPESCRIPT, "TypeScript"}, - {LANG_JSON, "JSON"}, - {LANG_XML, "XML"}, - {LANG_GLSL, "GLSL"}, - {LANG_TEXT, "Text"}, -}; - -static_assert_if_possible(arr_count(language_names) == LANG_COUNT) +static LanguageName language_names[LANG_COUNT_MAX]; // returns the language this string is referring to, or LANG_NONE if it's invalid. Language language_from_str(const char *str) { - for (int i = 0; i < LANG_COUNT; ++i) { + for (int i = 0; language_names[i].name[0]; ++i) { if (strcmp_case_insensitive(language_names[i].name, str) == 0) return language_names[i].lang; } @@ -104,7 +83,7 @@ Language language_from_str(const char *str) { } const char *language_to_str(Language language) { - for (int i = 0; i < LANG_COUNT; ++i) { + for (int i = 0; language_names[i].name[0]; ++i) { if (language_names[i].lang == language) return language_names[i].name; } @@ -137,7 +116,6 @@ const char *language_comment_start(Language l) { case LANG_NONE: case LANG_MARKDOWN: case LANG_TEXT: - case LANG_COUNT: break; } return ""; @@ -1091,7 +1069,7 @@ static bool is_html_tag_char(char32_t c) { } // highlights XML and HTML -static void syntax_highlight_xml(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types, Language lang) { +static void syntax_highlight_html_like(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types, Language lang) { bool comment = (*state & SYNTAX_STATE_HTML_COMMENT) != 0; bool in_sgl_string = false; // 'string' bool in_dbl_string = false; // "string" @@ -1205,7 +1183,7 @@ static void syntax_highlight_xml(SyntaxState *state, const char32_t *line, u32 l *state = (comment * SYNTAX_STATE_HTML_COMMENT); } -static void syntax_highlight_config(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types, bool is_ted_cfg) { +static void syntax_highlight_cfg(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types, bool is_ted_cfg) { bool string = (*state & SYNTAX_STATE_TED_CFG_STRING) != 0; char32_t string_delimiter = (*state & SYNTAX_STATE_TED_CFG_STRING_BACKTICK) ? '`' : '"'; @@ -1727,61 +1705,208 @@ static void syntax_highlight_go(SyntaxState *state_ptr, const char32_t *line, u3 ); } +static void syntax_highlight_text(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + (void)state; + (void)line; + (void)line_len; + if (char_types) { + memset(char_types, 0, line_len); + } +} + +typedef struct { + Language lang; + SyntaxHighlightFunction func; +} SyntaxHighlighter; + +static SyntaxHighlighter syntax_highlighters[LANG_COUNT_MAX]; + void syntax_highlight(SyntaxState *state, Language lang, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { - switch (lang) { - case LANG_NONE: - case LANG_TEXT: - if (char_types) - memset(char_types, 0, line_len * sizeof *char_types); - break; - case LANG_C: - syntax_highlight_c_cpp(state, line, line_len, char_types, LANG_C); - break; - case LANG_CPP: - syntax_highlight_c_cpp(state, line, line_len, char_types, LANG_CPP); - break; - case LANG_GLSL: - syntax_highlight_c_cpp(state, line, line_len, char_types, LANG_GLSL); - break; - case LANG_RUST: - syntax_highlight_rust(state, line, line_len, char_types); - break; - case LANG_PYTHON: - syntax_highlight_python(state, line, line_len, char_types); - break; - case LANG_TEX: - syntax_highlight_tex(state, line, line_len, char_types); - break; - case LANG_MARKDOWN: - syntax_highlight_markdown(state, line, line_len, char_types); - break; - case LANG_HTML: - syntax_highlight_xml(state, line, line_len, char_types, LANG_HTML); - break; - case LANG_XML: - syntax_highlight_xml(state, line, line_len, char_types, LANG_XML); - break; - case LANG_CONFIG: - syntax_highlight_config(state, line, line_len, char_types, false); - break; - case LANG_TED_CFG: - syntax_highlight_config(state, line, line_len, char_types, true); - break; - case LANG_JAVASCRIPT: - syntax_highlight_javascript_like(state, line, line_len, char_types, LANG_JAVASCRIPT); - break; - case LANG_TYPESCRIPT: - 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); - break; - case LANG_GO: - syntax_highlight_go(state, line, line_len, char_types); - break; - case LANG_COUNT: assert(0); break; + for (int i = 0; syntax_highlighters[i].func; ++i) { + if (syntax_highlighters[i].lang == lang) { + syntax_highlighters[i].func(state, line, line_len, char_types); + return; + } + } + syntax_highlight_text(state, line, line_len, char_types); +} + +static void syntax_highlight_c(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_c_cpp(state, line, line_len, char_types, LANG_C); +} +static void syntax_highlight_cpp(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_c_cpp(state, line, line_len, char_types, LANG_CPP); +} +static void syntax_highlight_xml(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_html_like(state, line, line_len, char_types, LANG_XML); +} +static void syntax_highlight_html(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_html_like(state, line, line_len, char_types, LANG_HTML); +} +static void syntax_highlight_javascript(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_javascript_like(state, line, line_len, char_types, LANG_JAVASCRIPT); +} +static void syntax_highlight_typescript(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_javascript_like(state, line, line_len, char_types, LANG_TYPESCRIPT); +} +static void syntax_highlight_json(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_javascript_like(state, line, line_len, char_types, LANG_JSON); +} +static void syntax_highlight_config(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_cfg(state, line, line_len, char_types, false); +} +static void syntax_highlight_ted_cfg(SyntaxState *state, const char32_t *line, u32 line_len, SyntaxCharType *char_types) { + syntax_highlight_cfg(state, line, line_len, char_types, true); +} + + +void syntax_register_builtin_languages(void) { + static const LanguageInfo builtins[] = { + { + .id = LANG_TEXT, + .name = "Text", + .lsp_identifier = "text", + .highlighter = syntax_highlight_text, + }, + { + .id = LANG_C, + .name = "C", + .lsp_identifier = "c", + .highlighter = syntax_highlight_c, + }, + { + .id = LANG_CPP, + .name = "C++", + .lsp_identifier = "cpp", + .highlighter = syntax_highlight_cpp, + }, + { + .id = LANG_RUST, + .name = "Rust", + .lsp_identifier = "rust", + .highlighter = syntax_highlight_rust, + }, + { + .id = LANG_JAVA, + .name = "Java", + .lsp_identifier = "java", + .highlighter = syntax_highlight_java, + }, + { + .id = LANG_GO, + .name = "Go", + .lsp_identifier = "go", + .highlighter = syntax_highlight_go, + }, + { + .id = LANG_PYTHON, + .name = "Python", + .lsp_identifier = "python", + .highlighter = syntax_highlight_python, + }, + { + .id = LANG_TEX, + .name = "TeX", + .lsp_identifier = "latex", + .highlighter = syntax_highlight_tex, + }, + { + .id = LANG_MARKDOWN, + .name = "Markdown", + .lsp_identifier = "markdown", + .highlighter = syntax_highlight_markdown, + }, + { + .id = LANG_HTML, + .name = "HTML", + .lsp_identifier = "html", + .highlighter = syntax_highlight_html, + }, + { + .id = LANG_XML, + .name = "XML", + .lsp_identifier = "xml", + .highlighter = syntax_highlight_xml, + }, + { + .id = LANG_CONFIG, + .name = "Config", + .lsp_identifier = "text", + .highlighter = syntax_highlight_config, + }, + { + .id = LANG_TED_CFG, + .name = "TedCfg", + .lsp_identifier = "text", + .highlighter = syntax_highlight_ted_cfg, + }, + { + .id = LANG_JAVASCRIPT, + .name = "JavaScript", + .lsp_identifier = "javascript", + .highlighter = syntax_highlight_javascript, + }, + { + .id = LANG_TYPESCRIPT, + .name = "TypeScript", + .lsp_identifier = "typescript", + .highlighter = syntax_highlight_typescript, + }, + { + .id = LANG_JSON, + .name = "JSON", + .lsp_identifier = "json", + .highlighter = syntax_highlight_json, + }, + { + .id = LANG_GLSL, + .name = "GLSL", + // not specified as of LSP 3.17, but this seems like the natural choice + .lsp_identifier = "glsl", + .highlighter = syntax_highlight_html, + }, + + }; + for (size_t i = 0; i < arr_count(builtins); ++i) { + syntax_register_language(&builtins[i]); + } +} + + +void syntax_register_language(const LanguageInfo *info) { + if (!info->id || info->id > LANG_USER_MAX) { + debug_println("Bad language ID: %" PRIu32, info->id); + return; + } + if (!info->name[0]) { + debug_println("Language with ID %" PRIu32 " has no name.", info->id); + return; + } + + int i; + for (i = 0; language_names[i].name[0]; i++) { + if (streq(language_names[i].name, info->name) || language_names[i].lang == info->id) { + // this language will be overridden i guess + break; + } + } + if (i < LANG_COUNT_MAX) { + language_names[i].lang = info->id; + strbuf_cpy(language_names[i].name, info->name); + } + if (info->highlighter) { + for (i = 0; syntax_highlighters[i].func; i++) { + if (syntax_highlighters[i].lang == info->id) { + // this language will be overridden i guess + break; + } + } + if (i < LANG_COUNT_MAX) { + syntax_highlighters[i].lang = info->id; + syntax_highlighters[i].func = info->highlighter; + } } + + lsp_register_language(info->id, info->lsp_identifier); + } |