Add code to create ASTs.

2019-06-04 20:45:06 -07:00
parent a6d381b697
commit 7bd6913ac5
10 changed files with 1289 additions and 7 deletions
--- a/language.grammar
+++ b/language.grammar
@@ -112,7 +112,7 @@ rule expr_case
    ;

 rule expr_case_branches
-    = expr_case_branches? expr_case_branch
+    = expr_case_branch expr_case_branches?
    ;

 rule expr_case_branch
@@ -126,8 +126,8 @@ rule pattern
    ;

 rule patterns
-    = pattern
-    | patterns tkn_comma pattern
+    = lower_identifier
+    | lower_identifier tkn_comma patterns
    ;

 rule type