begin implementing if expressions

registers are used over block boundaries though, which doesn't work very
well so i turned off register freeing to make it look like it works
(unless you create more than 12 values total)

1 files changed, 3 insertions, 1 deletions

diff --git a/src/Lexer.zig b/src/Lexer.zig
index cb146c7..f59737e 100644
--- a/src/Lexer.zig
+++ b/src/Lexer.zig
@@ -19,6 +19,8 @@ pub const Token = struct {
 
         // Keywords
         let,
+        @"if",
+        @"else",
     };
 };
 
@@ -120,7 +122,7 @@ fn identifierOrKeyword(self: *Self) Token {
         }
         const value = self.source[self.start..self.pos];
         return self.create(switch (std.meta.stringToEnum(Token.Type, value) orelse .invalid) {
-            .let => .let,
+            .let, .@"if", .@"else" => |t| t,
             else => .identifier,
         });
     }