Highlight keywords

Signed-off-by: Delwin Perera <perera@mm.tu-darmstadt.de>
perdel · Nov 8, 2024 · 00e844e · 00e844e
1 parent 1a60132
commit 00e844e
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/kilo.c b/kilo.c
@@ -241,6 +241,8 @@ void editorUpdateSyntax(erow *row) {
 
    if (E.syntax == NULL) return;
 
+   char **keywords = E.syntax->keywords;
+
    char *scs = E.syntax->singleline_comment_start;
    int scs_len = scs ? strlen(scs) : 0;
 
@@ -291,6 +293,26 @@ void editorUpdateSyntax(erow *row) {
         }
     }
 
+    if (prev_sep) {
+        int j;
+        for (j = 0; keywords[j]; j++) {
+            int klen = strlen(keywords[j]);
+            int kw2 = keywords[j][klen - 1] == '|';
+            if (kw2) klen--;
+
+            if (!strncmp(&row->render[i], keywords[j], klen) &&
+                is_separator(row->render[i + klen])) {
+                memset(&row->hl[i], kw2 ? HL_KEYWORD2 : HL_KEYWORD1, klen);
+                i += klen;
+                break;
+            }
+        }
+        if (keywords[j] != NULL) {
+            prev_sep = 0;
+            continue;
+        }
+    }
+
     prev_sep = is_separator(c);
     i++;
    }