Merge pull request smacker#74 from grouville/add/cue

Cue binding

cue/binding.go

@@ -0,0 +1,15 @@
+package cue
+
+//#include "parser.h"
+//TSLanguage *tree_sitter_cue();
+import "C"
+import (
+	"unsafe"
+
+	sitter "github.com/smacker/go-tree-sitter"
+)
+
+func GetLanguage() *sitter.Language {
+	ptr := unsafe.Pointer(C.tree_sitter_cue())
+	return sitter.NewLanguage(ptr)
+}

cue/binding_test.go

@@ -0,0 +1,27 @@
+package cue_test
+
+import (
+	"context"
+	"testing"
+
+	sitter "github.com/smacker/go-tree-sitter"
+	"github.com/smacker/go-tree-sitter/cue"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGrammar(t *testing.T) {
+	assert := assert.New(t)
+
+	code := `a: {
+		F=f: string
+		X="my-identifier": bool
+	}
+`
+
+	n, err := sitter.ParseCtx(context.Background(), []byte(code), cue.GetLanguage())
+	assert.NoError(err)
+	assert.Equal(
+		"(source_file (field (label (identifier)) (value (struct_lit (field (label alias: (identifier) (identifier)) (value (string_type))) (field (label alias: (identifier) (simple_string_lit)) (value (bool_type)))))))",
+		n.String(),
+	)
+}