PHP 8 (#1)

PHP 8 Update

- nullsafe operator (?->)
- Remove (real) cast
- Named arguments
- Remove (unset) cast
- Remove {} access
- match expression
- Union types in type hints and static typehint
- Block catch without variable
- Trailing comma in parameter lists
- throw can be used as an expression
- Concatenation precedence
- Declaring properties in the constructor
- Attributes
- Names in the namespace are treated as a single token
- Trailing comma in closure use list
- Check that ::class on object works
- Deferencable changes and arbitrary expressions in new/instanceof

pkg/visitor/null.go

@@ -42,6 +42,22 @@ func (v *Null) Argument(_ *ast.Argument) {
 	// do nothing
 }
 
+func (v *Null) MatchArm(_ *ast.MatchArm) {
+	// do nothing
+}
+
+func (v *Null) Union(_ *ast.Union) {
+	// do nothing
+}
+
+func (v *Null) Attribute(_ *ast.Attribute) {
+	// do nothing
+}
+
+func (v *Null) AttributeGroup(_ *ast.AttributeGroup) {
+	// do nothing
+}
+
 func (v *Null) StmtBreak(_ *ast.StmtBreak) {
 	// do nothing
 }
@@ -322,6 +338,10 @@ func (v *Null) ExprMethodCall(_ *ast.ExprMethodCall) {
 	// do nothing
 }
 
+func (v *Null) ExprNullsafeMethodCall(_ *ast.ExprNullsafeMethodCall) {
+	// do nothing
+}
+
 func (v *Null) ExprNew(_ *ast.ExprNew) {
 	// do nothing
 }
@@ -350,6 +370,10 @@ func (v *Null) ExprPropertyFetch(_ *ast.ExprPropertyFetch) {
 	// do nothing
 }
 
+func (v *Null) ExprNullsafePropertyFetch(_ *ast.ExprNullsafePropertyFetch) {
+	// do nothing
+}
+
 func (v *Null) ExprRequire(_ *ast.ExprRequire) {
 	// do nothing
 }
@@ -590,6 +614,14 @@ func (v *Null) ExprCastUnset(_ *ast.ExprCastUnset) {
 	// do nothing
 }
 
+func (v *Null) ExprMatch(_ *ast.ExprMatch) {
+	// do nothing
+}
+
+func (v *Null) ExprThrow(_ *ast.ExprThrow) {
+	// do nothing
+}
+
 func (v *Null) ScalarDnumber(_ *ast.ScalarDnumber) {
 	// do nothing
 }