diff options
Diffstat (limited to 'src/pkg/go/ast/ast.go')
| -rw-r--r-- | src/pkg/go/ast/ast.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/pkg/go/ast/ast.go b/src/pkg/go/ast/ast.go index 1dfe2a7ea..60a90050c 100644 --- a/src/pkg/go/ast/ast.go +++ b/src/pkg/go/ast/ast.go @@ -172,10 +172,16 @@ type ( Sel *Ident; // field selector }; - // An IndexExpr node represents an expression followed by an index or slice. + // An IndexExpr node represents an expression followed by an index. IndexExpr struct { X Expr; // expression - Index Expr; // index expression or beginning of slice range + Index Expr; // index expression + }; + + // An SliceExpr node represents an expression followed by slice indices. + SliceExpr struct { + X Expr; // expression + Index Expr; // beginning of slice range End Expr; // end of slice range; or nil }; @@ -305,6 +311,7 @@ func (x *FuncLit) Pos() token.Position { return x.Type.Pos() } func (x *CompositeLit) Pos() token.Position { return x.Type.Pos() } func (x *SelectorExpr) Pos() token.Position { return x.X.Pos() } func (x *IndexExpr) Pos() token.Position { return x.X.Pos() } +func (x *SliceExpr) Pos() token.Position { return x.X.Pos() } func (x *TypeAssertExpr) Pos() token.Position { return x.X.Pos() } func (x *CallExpr) Pos() token.Position { return x.Fun.Pos() } func (x *BinaryExpr) Pos() token.Position { return x.X.Pos() } @@ -323,6 +330,7 @@ func (x *CompositeLit) exprNode() {} func (x *ParenExpr) exprNode() {} func (x *SelectorExpr) exprNode() {} func (x *IndexExpr) exprNode() {} +func (x *SliceExpr) exprNode() {} func (x *TypeAssertExpr) exprNode() {} func (x *CallExpr) exprNode() {} func (x *StarExpr) exprNode() {} |