From bba969922fb7dc8a80ef52285cafbc625f964335 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 31 May 2019 22:39:53 -0300
Subject: [PATCH] add reading of keywords on doIdentifier

---
 src/scanner.zig | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/scanner.zig b/src/scanner.zig
index 020cd53..f2073d1 100644
--- a/src/scanner.zig
+++ b/src/scanner.zig
@@ -231,7 +231,20 @@ pub const Scanner = struct {
             _ = self.advance();
         }
 
-        try self.addSimpleToken(.IDENTIFIER);
+        // after reading the identifier, we check
+        // if it is any of our keywords, if it is, then we add
+        // the specificed keyword type. if not, just .IDENTIFIER
+        var text = self.source[self.start..self.current];
+        var type_opt = self.keywords.get(text);
+        var toktype: TokenType = undefined;
+
+        if (type_opt) |kv| {
+            toktype = @intToEnum(TokenType, kv.value);
+        } else {
+            toktype = TokenType.IDENTIFIER;
+        }
+
+        try self.addSimpleToken(toktype);
     }
 
     /// Scan through our tokens and add them to the Scanner's token list.