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Some work on a typechecker

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This commit is contained in:
sebastianselander 2023-01-23 17:17:06 +01:00
parent d85a0d26b8
commit b6b2dfa25f
6 changed files with 98 additions and 84 deletions
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18
Grammar.cf
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@ -1,15 +1,23 @@
Program. Program ::= [Def] ;
DExp. Def ::= Ident ":" Type
Ident [Ident] "=" Exp ;
Program. Program ::= "main" "=" Exp ;
separator Def "";
separator Ident "";
separator Type "->";
EId. Exp3 ::= Ident ;
EInt. Exp3 ::= Integer ;
EApp. Exp2 ::= Exp2 Exp3 ;
-- EApp. Exp2 ::= Exp2 Exp3 ;
EAdd. Exp1 ::= Exp1 "+" Exp2 ;
EAbs. Exp ::= "\\" Ident "->" Exp ;
-- EAbs. Exp ::= "\\" Ident ":" Type "." Exp ;
coercions Exp 3 ;
TInt. Type1 ::= "Int" ;
TPol. Type1 ::= Ident ;
TFun. Type ::= [Type] ;
coercions Type 1 ;
comment "--" ;
comment "{-" "-}" ;