Commit 72fa03bada

@@ -13,7 +13,7 @@ syn keyword zigStatement goto break return continue asm
 syn keyword zigConditional if else switch
 syn keyword zigRepeat while for
 
-syn keyword zigConstant null
+syn keyword zigConstant null undefined
 syn keyword zigKeyword fn import
 syn keyword zigType bool i8 u8 i16 u16 i32 u32 i64 u64 isize usize f32 f64 f128 void unreachable type
 

@@ -143,7 +143,7 @@ GotoExpression: "goto" "Symbol"
 
 GroupedExpression : "(" Expression ")"
 
-KeywordLiteral : "true" | "false" | "null" | "break" | "continue"
+KeywordLiteral : "true" | "false" | "null" | "break" | "continue" | "undefined"
 ```
 
 ## Operator Precedence
@@ -216,10 +216,23 @@ A slice can be obtained with the slicing syntax: `array[start...end]`
 
 Example: `"aoeu"[0...2]` has type `[]u8`.
 
-### Struct Types
+### Struct Type
 TODO
 
-### Pointer Types
+### Enum Type
+
+TODO
+
+### Maybe Type
+
+TODO
+
+### Error Type
+
+TODO
+
+### Pointer Type
+
 TODO
 
 ### Unreachable Type

@@ -245,6 +245,8 @@ static void end_token(Tokenize *t) {
         t->cur_tok->id = TokenIdKeywordNoAlias;
     } else if (mem_eql_str(token_mem, token_len, "switch")) {
         t->cur_tok->id = TokenIdKeywordSwitch;
+    } else if (mem_eql_str(token_mem, token_len, "undefined")) {
+        t->cur_tok->id = TokenIdKeywordUndefined;
     }
 
     t->cur_tok = nullptr;
@@ -1043,6 +1045,7 @@ const char * token_name(TokenId id) {
         case TokenIdKeywordNull: return "null";
         case TokenIdKeywordNoAlias: return "noalias";
         case TokenIdKeywordSwitch: return "switch";
+        case TokenIdKeywordUndefined: return "undefined";
         case TokenIdLParen: return "(";
         case TokenIdRParen: return ")";
         case TokenIdComma: return ",";

@@ -37,6 +37,7 @@ enum TokenId {
     TokenIdKeywordNull,
     TokenIdKeywordNoAlias,
     TokenIdKeywordSwitch,
+    TokenIdKeywordUndefined,
     TokenIdLParen,
     TokenIdRParen,
     TokenIdComma,