internal
class OverlayRoutedValueDataContainer<DValue, DValueFactory : DValue, DLiteral : DValue>(
    private val overlayOriginContainer: OverlayOriginContainer,
    private val underlay: ValueDataContainer<DValue, DValueFactory, DLiteral>,
    private val overlay: ValueDataContainer<DValue, DValueFactory, DLiteral>
) : ValueDataContainer<DValue, DValueFactory, DLiteral> {

    fun data(node: DeclarativeDocument.DocumentNode.ErrorNode): DError
}


typealias NodeData<DNode> = NodeDataContainer<DNode, DNode, DNode, DNode>


interface ValueDataContainer<DValue, DValueFactory : DValue, DLiteral : DValue> {
    fun data(value: DeclarativeDocument.ValueNode): DValue = when (value) {
        is DeclarativeDocument.ValueNode.ValueFactoryNode -> data(value)

// run

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test literal syntax for basic types.

package main

var nbad int

func assert(cond bool, msg string) {
	if !cond {
		if nbad == 0 {
			print("BUG")
		}
		nbad++
		print(" ", msg)
	}
}

func equal(a, b float32) bool {
	return a == b
}

	{_Literal, "0B1", 0, 0},
	{_Literal, "0b01100110", 0, 0},
	{_Literal, "0b_0110_0110", 0, 0},
	{_Literal, "0.", 0, 0},
	{_Literal, "0.e0", 0, 0},
	{_Literal, "0.e-1", 0, 0},
	{_Literal, "0.e+123", 0, 0},
	{_Literal, ".0", 0, 0},
	{_Literal, ".0E00", 0, 0},
	{_Literal, ".0E-0123", 0, 0},
	{_Literal, ".0E+12345678901234567890", 0, 0},
	{_Literal, ".45e1", 0, 0},
	{_Literal, "3.14159265", 0, 0},
	{_Literal, "1e0", 0, 0},

    }

    @Test public void testLiteralMatches() {
        RegExpPatternStep step = new RegExpPatternStep("literal", true);
        assertTrue(step.matches("literal"));
        assertFalse(step.matches("Literal"));
        assertFalse(step.matches("literally"));
        assertFalse(step.matches("aliteral"));
    }

    @Test public void testSingleCharWildcard() {

			// determine if '{' belongs to a composite literal or a block statement
			complit_ok := false
			switch t.(type) {
			case *Name, *SelectorExpr:
				if p.xnest >= 0 {
					// x is possibly a composite literal type
					complit_ok = true
				}
			case *IndexExpr:
				if p.xnest >= 0 && !isValue(t) {
					// x is possibly a composite literal type
					complit_ok = true
				}

	blank     bool // line is blank up to col
	tok       token
	lit       string   // valid if tok is _Name, _Literal, or _Semi ("semicolon", "newline", or "EOF"); may be malformed if bad is true
	bad       bool     // valid if tok is _Literal, true if a syntax error occurred, lit may be malformed
	kind      LitKind  // valid if tok is _Literal
	op        Operator // valid if tok is _Operator, _Star, _AssignOp, or _IncOp

type Token uint

type token = Token

//go:generate stringer -type token -linecomment tokens.go

const (
	_    token = iota
	_EOF       // EOF

	// names and literals
	_Name    // name
	_Literal // literal

	// operators and operations
	// _Operator is excluding '*' (_Star)
	_Operator // op
	_AssignOp // op=
	_IncOp    // opop
	_Assign   // =
	_Define   // :=
	_Arrow    // <-
	_Star     // *

	base.AssertfAt(t != nil, n.Pos(), "missing type in composite literal")

	switch t.Kind() {
	default:
		base.Errorf("invalid composite literal type %v", t)
		n.SetType(nil)

	case types.TARRAY:
		typecheckarraylit(t.Elem(), t.NumElem(), n.List, "array literal")
		n.SetOp(ir.OARRAYLIT)

	case types.TSLICE:
		length := typecheckarraylit(t.Elem(), -1, n.List, "slice literal")
		n.SetOp(ir.OSLICELIT)
		n.Len = length

		return false
	}
	if !isSimpleName(n.X) {
		// not a special composite literal assignment
		return false
	}
	x := n.X.(*ir.Name)
	if !types.Identical(n.X.Type(), n.Y.Type()) {
		// not a special composite literal assignment
		return false
	}
	if x.Addrtaken() {
		// If x is address-taken, the RHS may (implicitly) uses LHS.
		// Not safe to do a special composite literal assignment