2023-08-31 12:41:43 +00:00
|
|
|
PROG ::= (INSTR (EOI+ INSTR)*)?
|
|
|
|
|
2023-08-30 18:06:26 +00:00
|
|
|
INSTR ::= EXPR
|
2023-08-31 12:41:43 +00:00
|
|
|
| assert EXPR
|
2023-08-31 19:25:00 +00:00
|
|
|
| assert_static_fail INSTR
|
|
|
|
| VARDECL
|
|
|
|
| CONSTDECL
|
|
|
|
| ASSIGN
|
2023-08-31 23:22:51 +00:00
|
|
|
| IF
|
2023-08-31 19:25:00 +00:00
|
|
|
|
|
|
|
VARDECL ::= let_mut ident assign EXPR
|
|
|
|
CONSTDECL ::= let ident assign EXPR
|
|
|
|
ASSIGN ::= ident assign EXPR
|
2023-08-31 23:22:51 +00:00
|
|
|
IF ::= if EXPR THEN (else (IF | ELSE))?
|
|
|
|
THEN ::= INSTR*
|
|
|
|
ELSE ::= INSTR*
|
2023-08-31 12:41:43 +00:00
|
|
|
|
2023-08-31 09:07:03 +00:00
|
|
|
EXPR ::= IMP
|
|
|
|
|
|
|
|
IMP ::= OR (imp OR)?
|
|
|
|
OR ::= AND (or AND)*
|
2023-08-31 09:37:13 +00:00
|
|
|
AND ::= EQ (and EQ)*
|
|
|
|
|
|
|
|
EQ ::= CMP ((eq | ne) CMP)?
|
|
|
|
CMP ::= TERM ((lt | le | gt | ge) TERM)?
|
2023-08-30 22:31:19 +00:00
|
|
|
|
|
|
|
TERM ::= FACTOR ((add | sub) FACTOR)*
|
|
|
|
FACTOR ::= UNOP ((mul | div | mod) UNOP)*
|
|
|
|
|
2023-08-31 09:07:03 +00:00
|
|
|
UNOP ::= (add | sub | not)? POW
|
2023-08-30 22:31:19 +00:00
|
|
|
POW ::= GROUP (pow GROUP)?
|
|
|
|
GROUP ::= BASE | opar EXPR cpar
|
2023-08-31 19:25:00 +00:00
|
|
|
BASE ::= int | bool | ident
|