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/Syntax.zig | 39 +++++++++++++++++++++++++++++++--------
 1 file changed, 31 insertions(+), 8 deletions(-)

(limited to 'src/Syntax.zig')

diff --git a/src/Syntax.zig b/src/Syntax.zig
index f29c7fc..6858027 100644
--- a/src/Syntax.zig
+++ b/src/Syntax.zig
@@ -1,14 +1,18 @@
 pub const makefile = @import("Syntax/makefile.zig");
 pub const zig = @import("Syntax/zig.zig");
 
+const es = @import("root");
 const std = @import("std");
 
+const ComptimeStringMap = std.ComptimeStringMap;
+const Highlight = es.Highlight;
 const Syntax = @This();
 
-pub const database = [_]Syntax{
-    makefile.syntax,
-    zig.syntax,
-};
+pub const chooseSyntax = ComptimeStringMap(
+    Syntax,
+    pairWith(&makefile.filematch, makefile.syntax)
+        ++ pairWith(&zig.filematch, zig.syntax),
+).get;
 
 pub const Flags = struct {
     hl_numbers: bool = false,
@@ -16,10 +20,7 @@ pub const Flags = struct {
 };
 
 name: []const u8,
-// TODO: Make these into comptime StringSets, see std.ComptimeStringMap
-filematch: []const []const u8,
-keywords1: []const []const u8,
-keywords2: []const []const u8,
+keyword_classifier: fn([]const u8) ?Highlight,
 singleline_comment_start: ?[]const u8,
 multiline_comment_start: ?[]const u8,
 multiline_comment_end: ?[]const u8,
@@ -29,3 +30,25 @@ flags: Flags,
 pub fn isSeparator(self: Syntax, char: u8) bool {
     return std.ascii.isSpace(char) or std.mem.indexOfScalar(u8, self.separators, char) != null;
 }
+
+pub fn pairWith(
+    comptime keys: []const []const u8,
+    comptime value: anytype,
+) [keys.len]KeyValue(@TypeOf(value)) {
+    @setEvalBranchQuota(20000);
+
+    var pairs = [_]KeyValue(@TypeOf(value)) {undefined} ** keys.len;
+    for (keys) |key, i| {
+        pairs[i] = .{ .@"0" = key, .@"1" = value };
+    }
+
+    return pairs;
+}
+
+fn KeyValue(comptime V: type) type {
+    return struct {
+        @"0": []const u8,
+        @"1": V,
+    };
+}
+
-- 
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