From 50bbd18f7b84bf236e02c004ac83f1af7b2549a5 Mon Sep 17 00:00:00 2001 From: night0721 Date: Tue, 12 Nov 2024 02:04:26 +0000 Subject: [PATCH] Make tabs movable and improve syntax highlighting --- config.h | 16 +++--- vip.c | 171 +++++++++++++++++++++++++++++++++++++++---------------- 2 files changed, 128 insertions(+), 59 deletions(-) diff --git a/config.h b/config.h index 5b22b20..4480b36 100644 --- a/config.h +++ b/config.h @@ -6,7 +6,7 @@ /* 38 and 48 is reversed as bar's color is reversed */ #define SURFACE_1_BG "\033[38;2;049;050;068m" -#define OVERLAY_0_BG "\033[38;2;108;112;134m" +#define OVERLAY_2_BG "\033[38;2;147;153;178m" #define BLACK_FG "\033[48;2;000;000;000m" #define BLACK_BG "\033[38;2;000;000;000m" #define WHITE_FG "\033[48;2;205;214;244m" @@ -50,10 +50,13 @@ enum modes { enum highlight { DEFAULT = 0, + SYMBOL, COMMENT, MLCOMMENT, - KEYWORD1, /* default */ - KEYWORD2, /* types */ + KW, + KW_TYPE, + KW_FN, + KW_BRACKET, STRING, NUMBER, MATCH, @@ -75,7 +78,6 @@ typedef struct { typedef struct { char *filetype; - int flags; char *singleline_comment_start; char *multiline_comment_start; char *multiline_comment_end; @@ -97,17 +99,13 @@ typedef struct { language_t *syntax; } editor_t; -#define HL_NUMBERS (1 << 0) -#define HL_STRINGS (1 << 1) - language_t langs[] = { { "c", - HL_NUMBERS | HL_STRINGS, "//", "/*", "*/", - { "switch", "if", "while", "for", "break", "continue", "return", "else", "struct", "union", "typedef", "static", "enum", "case", "sizeof", "#include", "#define", "#if", "#elseif", "#endif", "int|", "long|", "double|", "float|", "char|", "unsigned|", "void|", NULL }, + { "switch", "if", "while", "for", "break", "continue", "return", "else", "struct", "union", "typedef", "static", "enum", "case", "sizeof", "#include", "#define", "#if", "#elseif", "#endif", "int|", "long|", "double|", "float|", "char|", "unsigned|", "void|", "size_t|", "uint8_t|", NULL }, { ".c", ".h", ".cpp", NULL }, }, }; diff --git a/vip.c b/vip.c index 7fd8cb9..2fc47e1 100644 --- a/vip.c +++ b/vip.c @@ -20,7 +20,6 @@ struct termios newt, oldt; int rows, cols; editor_t editor[9]; -int editor_idx = 0; int editors = 0; editor_t *cur_editor; @@ -324,10 +323,6 @@ void init_editor(char *filename) getcwd(cwd, PATH_MAX); strcpy(cur_editor->cwd, cwd); - if (get_window_size(&rows, &cols) == -1) { - die("get_window_size"); - } - if (filename) { strcpy(cur_editor->filename, basename(filename)); @@ -652,14 +647,10 @@ void insert_row(int at, char *s, size_t len) } cur_editor->row[at].idx = at; - cur_editor->row[at].size = len; cur_editor->row[at].chars = malloc(len + 1); memcpy(cur_editor->row[at].chars, s, len); cur_editor->row[at].chars[len] = '\0'; - - cur_editor->row[at].render_size = 0; - cur_editor->row[at].render = NULL; cur_editor->row[at].hl = NULL; cur_editor->row[at].opened_comment = 0; update_row(&cur_editor->row[at]); @@ -708,6 +699,11 @@ int is_separator(int c) return isspace(c) || c == '\0' || strchr(",.()+-/*=~%<>[];", c) != NULL; } +int is_symbol(int c) +{ + return strchr("+-/*=~%><", c) != NULL; +} + void update_highlight(row_t *row) { row->hl = realloc(row->hl, row->render_size); @@ -727,7 +723,8 @@ void update_highlight(row_t *row) int prev_sep = 1; int in_string = 0; - int in_comment = (row->idx > 0 && cur_editor->row[row->idx - 1].opened_comment); + int in_include = 0; + int in_comment = row->idx > 0 && cur_editor->row[row->idx - 1].opened_comment; int i = 0; while (i < row->render_size) { @@ -762,58 +759,106 @@ void update_highlight(row_t *row) } } - if (cur_editor->syntax->flags & HL_STRINGS) { - if (in_string) { - row->hl[i] = STRING; - if (c == '\\' && i + 1 < row->render_size) { - row->hl[i + 1] = STRING; - i += 2; - continue; - } - if (c == in_string) in_string = 0; - i++; - prev_sep = 1; + if (in_string) { + row->hl[i] = STRING; + if (c == '\\' && i + 1 < row->render_size) { + row->hl[i + 1] = STRING; + i += 2; + continue; + } + if (c == in_string) in_string = 0; + i++; + prev_sep = 1; + continue; + } else { + if (c == '"') { + in_string = c; + row->hl[i] = STRING; + i++; continue; - } else { - if (c == '"') { - in_string = c; - row->hl[i] = STRING; - i++; - continue; - } } } - if (cur_editor->syntax->flags & HL_NUMBERS) { - if ((isdigit(c) && (prev_sep || prev_hl == NUMBER)) || - (c == '.' && prev_hl == NUMBER)) { - row->hl[i] = NUMBER; + if (in_include) { + row->hl[i] = STRING; + if (c == '>') in_include = 0; + i++; + prev_sep = 1; + continue; + } else { + if (c == '<') { + in_include = 1; + row->hl[i] = STRING; i++; - prev_sep = 0; continue; } } + if ((isdigit(c) && (prev_sep || prev_hl == NUMBER)) || + (c == '.' && prev_hl == NUMBER) || + (c >= 'A' && c <= 'Z') || + (c == '_' && prev_hl == NUMBER) + ) { + row->hl[i] = NUMBER; + i++; + prev_sep = 0; + continue; + } + + if (c == '(' || c == ')' || c == '[' || c == ']' || c == '{' || c == '}') { + row->hl[i] = KW_BRACKET; + prev_sep = 1; + i++; + continue; + } + + if (c == '*' || c == '&' || c == '=' || c == '+' || c == '|' || c == '!' || + c == '<' || c == '>') { + row->hl[i] = SYMBOL; + prev_sep = 1; + i++; + continue; + } + if (prev_sep) { int j; for (j = 0; keywords[j]; j++) { int klen = strlen(keywords[j]); int type_keyword = keywords[j][klen - 1] == '|'; if (type_keyword) klen--; + if (!strncmp(&row->render[i], keywords[j], klen) && is_separator(row->render[i + klen])) { - memset(&row->hl[i], type_keyword ? KEYWORD2 : KEYWORD1, klen); + memset(&row->hl[i], type_keyword ? KW_TYPE : KW, klen); i += klen; break; } } + /* Matched a keyword */ if (keywords[j] != NULL) { prev_sep = 0; continue; } + /* Check for function */ + /* Assume maximum function name is 128 characters */ + char word[128]; + int word_len = 0; + while (!is_separator(row->render[i])) { + printf("i: %d, row->render[i]: %c\n", i, row->render[i]); + word[word_len++] = row->render[i++]; + } + word[word_len] = '\0'; + printf("word: %s\n", word); + if (row->render[i] == '(') { + memset(&row->hl[i - word_len], KW_FN, word_len); + prev_sep = 1; + } else { + prev_sep = 0; + } + continue; } - prev_sep = is_separator(c); + prev_sep = is_separator(row->render[i]); i++; } int changed = (row->opened_comment != in_comment); @@ -833,34 +878,51 @@ char *syntax_to_color(int hl, size_t *len) *len = COLOR_LEN; return strdup(GREEN_BG); - case COMMENT: - case MLCOMMENT: + case SYMBOL: *len = COLOR_LEN; - return strdup(OVERLAY_0_BG); + return strdup(SKY_BG); - case KEYWORD1: + case COMMENT:; + case MLCOMMENT:; + /* + char *color = malloc(COLOR_LEN * 2 + 1); + snprintf(color, COLOR_LEN * 2 + 1, "\033[3m%s\033[23m", OVERLAY_2_BG); + *len = COLOR_LEN * 2; + return color;*/ + *len = COLOR_LEN; + return strdup(OVERLAY_2_BG); + + case KW: *len = COLOR_LEN; return strdup(MAUVE_BG); - case KEYWORD2: + case KW_TYPE: *len = COLOR_LEN; return strdup(YELLOW_BG); + case KW_FN: + *len = COLOR_LEN; + return strdup(BLUE_BG); + + case KW_BRACKET: + *len = COLOR_LEN; + return strdup(RED_BG); + case MATCH:; - char *str = malloc(COLOR_LEN * 2 + 1); - snprintf(str, COLOR_LEN * 2 + 1, "%s%s", BLACK_BG, SKY_FG); - *len = COLOR_LEN * 2; - return str; + char *str = malloc(COLOR_LEN * 2 + 1); + snprintf(str, COLOR_LEN * 2 + 1, "%s%s", BLACK_BG, SKY_FG); + *len = COLOR_LEN * 2; + return str; case RESET:; - char *res = malloc(COLOR_LEN * 2 + 1); - snprintf(res, COLOR_LEN * 2 + 1, "%s%s", WHITE_BG, BLACK_FG); - *len = COLOR_LEN * 2; - return res; + char *res = malloc(COLOR_LEN * 2 + 1); + snprintf(res, COLOR_LEN * 2 + 1, "%s%s", WHITE_BG, BLACK_FG); + *len = COLOR_LEN * 2; + return res; default: - *len = COLOR_LEN; - return strdup(WHITE_BG); + *len = COLOR_LEN; + return strdup(WHITE_BG); } } @@ -904,6 +966,10 @@ void handle_sigwinch(int ignore) int main(int argc, char **argv) { + if (get_window_size(&rows, &cols) == -1) { + die("get_window_size"); + } + struct sigaction sa; sa.sa_handler = handle_sigwinch; sa.sa_flags = SA_RESTART; @@ -1143,6 +1209,11 @@ int main(int argc, char **argv) /* Fork failed */ } } + } else if (c == 't') { + c = readch(); + if (c > '0' && c <= '9') { + cur_editor = &editor[c - '0']; + } } break; }