From d45e0aa84a5c25bd1eb85931499e643c9a5a7771 Mon Sep 17 00:00:00 2001
From: Jonathan Gordon <jonathan.gordon@anz.com>
Date: Thu, 13 Feb 2020 11:05:00 +1100
Subject: [PATCH] Export the buildf grammar func

---
 wbnf/compile.go           | 4 ++--
 wbnf/grammar_test.go      | 4 ++--
 wbnf/node_test_complex.go | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/wbnf/compile.go b/wbnf/compile.go
index c14b204..eeabd05 100644
--- a/wbnf/compile.go
+++ b/wbnf/compile.go
@@ -222,7 +222,7 @@ func buildProd(p ProdNode) parser.Term {
 	return seq
 }
 
-func buildGrammar(node ast.Node) parser.Grammar {
+func NewFromAst(node ast.Node) parser.Grammar {
 	g := parser.Grammar{}
 	tree := NewGrammarNode(node)
 	for _, stmt := range tree.AllStmt() {
@@ -241,7 +241,7 @@ func Compile(grammar string) (parser.Parsers, error) {
 	if err := validate(node); err != nil {
 		return parser.Parsers{}, err
 	}
-	g := buildGrammar(node)
+	g := NewFromAst(node)
 	return g.Compile(node), nil
 }
 
diff --git a/wbnf/grammar_test.go b/wbnf/grammar_test.go
index 52a7cac..dd6b272 100644
--- a/wbnf/grammar_test.go
+++ b/wbnf/grammar_test.go
@@ -214,7 +214,7 @@ func TestTinyGrammarGrammarGrammar(t *testing.T) {
 	require.NoError(t, err)
 	e := v.(parser.Node)
 
-	grammar2 := buildGrammar(ast.FromParserNode(parsers.Grammar(), e))
+	grammar2 := NewFromAst(ast.FromParserNode(parsers.Grammar(), e))
 	assert.EqualValues(t, tinyGrammar, grammar2)
 }
 
@@ -227,7 +227,7 @@ func TestExprGrammarGrammarGrammar(t *testing.T) {
 	require.NoError(t, err)
 	e := v.(parser.Node)
 
-	grammar2 := buildGrammar(ast.FromParserNode(parsers.Grammar(), e))
+	grammar2 := NewFromAst(ast.FromParserNode(parsers.Grammar(), e))
 	assert.EqualValues(t, exprGrammar, grammar2)
 }
 
diff --git a/wbnf/node_test_complex.go b/wbnf/node_test_complex.go
index abea5bc..2a16eb2 100644
--- a/wbnf/node_test_complex.go
+++ b/wbnf/node_test_complex.go
@@ -18,7 +18,7 @@ func TestParserNodeToNode(t *testing.T) {
 	u := ast.ToParserNode(g, n).(parser.Node)
 	parser.AssertEqualNodes(t, v, u)
 
-	p = buildGrammar(n).Compile(u)
+	p = NewFromAst(n).Compile(u)
 	v = p.MustParse(parser.Rule("expr"), parser.NewScanner(`1+2*3`)).(parser.Node)
 	g = p.Grammar()
 	n = ast.FromParserNode(g, v)
@@ -38,7 +38,7 @@ func TestTinyXMLGrammar(t *testing.T) {
 	assert.NoError(t, err)
 
 	node := v.(parser.Node)
-	xmlParser := buildGrammar(ast.FromParserNode(Core().Grammar(), node)).Compile(&node)
+	xmlParser := NewFromAst(ast.FromParserNode(Core().Grammar(), node)).Compile(&node)
 
 	src := parser.NewScanner(`<a x="1">hello <b>world!</b></a>`)
 	orig := *src