From d13e89cbbdda9722fc636b0666adce58501d1c9b Mon Sep 17 00:00:00 2001
From: Uko Kokņevičs
Date: Sun, 2 Jan 2022 08:38:11 +0200
Subject: Some changes in Syntax

---
 src/Row.zig | 54 ++++++++++++++++++++++++------------------------------
 1 file changed, 24 insertions(+), 30 deletions(-)

(limited to 'src/Row.zig')

diff --git a/src/Row.zig b/src/Row.zig
index 38fb72b..a47be6a 100644
--- a/src/Row.zig
+++ b/src/Row.zig
@@ -149,14 +149,12 @@ pub fn updateSyntax(self: *Row, buf: *Buffer) UpdateSyntaxError!void {
     }
 
     const syntax = buf.syntax.?;
-    const kw1 = syntax.keywords1;
-    const kw2 = syntax.keywords2;
 
-    var after_sep = true;
     var in_comment = if (self.idx > 0) buf.rows.items[self.idx - 1].ends_with_open_comment else false;
     var curr_str_quote: ?u8 = null;
 
     var i: usize = 0;
+    var last_sep: usize = 0;
     main_loop: while (i < self.rdata.items.len) {
         const prev_hl = if (i > 0) self.hldata.items[i - 1] else .normal;
 
@@ -165,7 +163,7 @@ pub fn updateSyntax(self: *Row, buf: *Buffer) UpdateSyntaxError!void {
             if (curr_str_quote == null and !in_comment and scs.len + i <= self.rdata.items.len) {
                 if (std.mem.eql(u8, scs, self.rdata.items[i..(i + scs.len)])) {
                     std.mem.set(Highlight, self.hldata.items[i..], .comment);
-                    break;
+                    break :main_loop;
                 }
             }
         }
@@ -181,16 +179,16 @@ pub fn updateSyntax(self: *Row, buf: *Buffer) UpdateSyntaxError!void {
                             std.mem.set(Highlight, self.hldata.items[i..(i + mce.len)], .comment_ml);
                             i += mce.len;
                             in_comment = false;
-                            after_sep = true;
+                            last_sep = i;
                         } else {
                             i += 1;
-                            continue;
+                            continue :main_loop;
                         }
                     } else if (mcs.len + i <= self.rdata.items.len and std.mem.eql(u8, mcs, self.rdata.items[i..(i + mcs.len)])) {
                         std.mem.set(Highlight, self.hldata.items[i..(i + mcs.len)], .comment_ml);
                         i += mcs.len;
                         in_comment = true;
-                        continue;
+                        continue :main_loop;
                     }
                 }
             }
@@ -208,54 +206,50 @@ pub fn updateSyntax(self: *Row, buf: *Buffer) UpdateSyntaxError!void {
                     i += 1;
                 } else if (c == quote) {
                     curr_str_quote = null;
-                    after_sep = true;
+                    last_sep = i;
                 }
 
-                continue;
+                continue :main_loop;
             } else {
                 // TODO: Move this to syntax struct
                 if (c == '"' or c == '\'') {
                     curr_str_quote = c;
                     self.hldata.items[i] = .string;
                     i += 1;
-                    continue;
+                    continue :main_loop;
                 }
             }
         }
 
         if (syntax.flags.hl_numbers) {
-            if ((std.ascii.isDigit(c) and (after_sep or prev_hl == .number)) or (c == '.' and prev_hl == .number)) {
-                after_sep = false;
+            if ((std.ascii.isDigit(c) and (last_sep == i or prev_hl == .number))
+                or (c == '.' and prev_hl == .number)
+            ) {
                 self.hldata.items[i] = .number;
                 i += 1;
-                continue;
+                continue :main_loop;
             }
         }
 
-        if (after_sep) {
-            for (kw1) |kw| {
-                if (i + kw.len <= self.rdata.items.len and std.mem.eql(u8, kw, self.rdata.items[i..(i + kw.len)]) and (i + kw.len == self.rdata.items.len or syntax.isSeparator(self.rdata.items[i + kw.len]))) {
-                    std.mem.set(Highlight, self.hldata.items[i..(i + kw.len)], .keyword1);
-                    i += kw.len;
-                    after_sep = false;
-                    continue :main_loop;
-                }
+        if (syntax.isSeparator(c)) {
+            const id = self.rdata.items[last_sep..i];
+            if (syntax.keyword_classifier(id)) |hl| {
+                std.mem.set(Highlight, self.hldata.items[last_sep..i], hl);
             }
 
-            for (kw2) |kw| {
-                if (i + kw.len <= self.rdata.items.len and std.mem.eql(u8, kw, self.rdata.items[i..(i + kw.len)]) and (i + kw.len == self.rdata.items.len or syntax.isSeparator(self.rdata.items[i + kw.len]))) {
-                    std.mem.set(Highlight, self.hldata.items[i..(i + kw.len)], .keyword2);
-                    i += kw.len;
-                    after_sep = false;
-                    continue :main_loop;
-                }
-            }
+            last_sep = i + 1;
         }
 
-        after_sep = syntax.isSeparator(c);
         i += 1;
     }
 
+    if (!in_comment) {
+        const id = self.rdata.items[last_sep..self.rdata.items.len];
+        if (syntax.keyword_classifier(id)) |hl| {
+            std.mem.set(Highlight, self.hldata.items[last_sep..self.rdata.items.len], hl);
+        }
+    }
+
     if (in_comment != self.ends_with_open_comment) {
         self.ends_with_open_comment = in_comment;
         if (self.idx + 1 < buf.rows.items.len) {
-- 
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