1 files changed, 0 insertions, 72 deletions
diff --git a/src/urubu/grammar/lexical/parser/fragment.go b/src/urubu/grammar/lexical/parser/fragment.go
deleted file mode 100644
index 196c00b..0000000
--- a/src/urubu/grammar/lexical/parser/fragment.go
+++ /dev/null
@@ -1,72 +0,0 @@
-package parser
-
-import (
-	"fmt"
-
-	spec "urubu/spec/grammar"
-)
-
-type incompleteFragment struct {
-	kind spec.LexKindName
-	root *rootNode
-}
-
-func CompleteFragments(fragments map[spec.LexKindName]CPTree) error {
-	if len(fragments) == 0 {
-		return nil
-	}
-
-	completeFragments := map[spec.LexKindName]CPTree{}
-	incompleteFragments := []*incompleteFragment{}
-	for kind, tree := range fragments {
-		root, ok := tree.(*rootNode)
-		if !ok {
-			return fmt.Errorf("CompleteFragments can take only *rootNode: %T", tree)
-		}
-		if root.incomplete() {
-			incompleteFragments = append(incompleteFragments, &incompleteFragment{
-				kind: kind,
-				root: root,
-			})
-		} else {
-			completeFragments[kind] = root
-		}
-	}
-	for len(incompleteFragments) > 0 {
-		lastIncompCount := len(incompleteFragments)
-		remainingFragments := []*incompleteFragment{}
-		for _, e := range incompleteFragments {
-			complete, err := ApplyFragments(e.root, completeFragments)
-			if err != nil {
-				return err
-			}
-			if !complete {
-				remainingFragments = append(remainingFragments, e)
-			} else {
-				completeFragments[e.kind] = e.root
-			}
-		}
-		incompleteFragments = remainingFragments
-		if len(incompleteFragments) == lastIncompCount {
-			return ParseErr
-		}
-	}
-
-	return nil
-}
-
-func ApplyFragments(t CPTree, fragments map[spec.LexKindName]CPTree) (bool, error) {
-	root, ok := t.(*rootNode)
-	if !ok {
-		return false, fmt.Errorf("ApplyFragments can take only *rootNode type: %T", t)
-	}
-
-	for name, frag := range fragments {
-		err := root.applyFragment(name, frag)
-		if err != nil {
-			return false, err
-		}
-	}
-
-	return !root.incomplete(), nil
-}