diff options
Diffstat (limited to 'pkg/lang/ast/op.go')
| -rw-r--r-- | pkg/lang/ast/op.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/lang/ast/op.go b/pkg/lang/ast/op.go index 6f48e0c..063a309 100644 --- a/pkg/lang/ast/op.go +++ b/pkg/lang/ast/op.go @@ -21,6 +21,8 @@ const ( BinOpLte BinOpGt BinOpGte + + BinOpDot ) func BinOpFromToken(tok token.Token) (BinOp, bool) { @@ -50,6 +52,8 @@ func BinOpFromToken(tok token.Token) (BinOp, bool) { op = BinOpGt case token.Gte: op = BinOpGte + case token.Dot: + op = BinOpDot default: return 0, false } @@ -67,6 +71,8 @@ func (op BinOp) Precedence() int { return 3 case BinOpStar, BinOpSlash, BinOpPercent: return 4 + case BinOpDot: + return 5 default: panic(fmt.Sprintf("unknown binary operator: %d", op)) @@ -88,6 +94,8 @@ func (op BinOp) Associativity() Associativity { return AssociativityRight case BinOpEq, BinOpNeq, BinOpLt, BinOpLte, BinOpGt, BinOpGte: return AssociativityLeft + case BinOpDot: + return AssociativityLeft default: panic(fmt.Sprintf("unknown binary operator: %d", op)) } |