diff options
Diffstat (limited to 'compiler/dfa/tree.go')
| -rw-r--r-- | compiler/dfa/tree.go | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/compiler/dfa/tree.go b/compiler/dfa/tree.go index a3442f8..bd93a26 100644 --- a/compiler/dfa/tree.go +++ b/compiler/dfa/tree.go @@ -153,7 +153,7 @@ func newConcatNode(left, right byteTree) *concatNode { } func (n *concatNode) String() string { - return fmt.Sprintf("concat") + return "concat" } func (n *concatNode) children() (byteTree, byteTree) { @@ -207,7 +207,7 @@ func newAltNode(left, right byteTree) *altNode { } func (n *altNode) String() string { - return fmt.Sprintf("alt") + return "alt" } func (n *altNode) children() (byteTree, byteTree) { @@ -255,7 +255,7 @@ func newRepeatNode(left byteTree) *repeatNode { } func (n *repeatNode) String() string { - return fmt.Sprintf("repeat") + return "repeat" } func (n *repeatNode) children() (byteTree, byteTree) { @@ -288,14 +288,6 @@ func (n *repeatNode) clone() byteTree { return newRepeatNode(n.left.clone()) } -func newRepeatOneOrMoreNode(left byteTree) *concatNode { - return newConcatNode( - left, - &repeatNode{ - left: left.clone(), - }) -} - type optionNode struct { left byteTree firstMemo *symbolPositionSet @@ -309,7 +301,7 @@ func newOptionNode(left byteTree) *optionNode { } func (n *optionNode) String() string { - return fmt.Sprintf("option") + return "option" } func (n *optionNode) children() (byteTree, byteTree) { @@ -452,6 +444,7 @@ func oneOf(ts ...byteTree) byteTree { return alt } +//nolint:unused func printByteTree(w io.Writer, t byteTree, ruledLine string, childRuledLinePrefix string, withAttrs bool) { if t == nil { return @@ -505,7 +498,10 @@ func ConvertCPTreeToByteTree(cpTrees map[spec.LexModeKindID]parser.CPTree) (byte } bt = oneOf(bt, concat(t, newEndMarkerNode(id))) } - positionSymbols(bt, symbolPositionMin) + _, err := positionSymbols(bt, symbolPositionMin) + if err != nil { + return nil, nil, err + } return bt, genSymbolTable(bt), nil } |