Generate stringer for tokens

.mk/stringer.mk

@@ -0,0 +1,12 @@
+STRINGER_FILES = $(patsubst %.go,%_string.go,$(shell git grep //go:generate | grep "stringer" | cut -d ":" -f 1))
+
+%_string.go: %.go
+	go generate -run stringer $<
+
+.PHONY: .stringer
+.stringer: $(STRINGER_FILES)
+
+.PHONY: .stringer.clean
+.stringer.clean:
+	find . \( -name *_string.go ! -path './vendor/*' \) -exec rm {} \;
+

Makefile

@@ -119,6 +119,7 @@ include .mk/static.mk
 include .mk/tests.mk
 include .mk/vppapi.mk
 include .mk/swagger.mk
+include .mk/stringer.mk
 
 .DEFAULT_GOAL := all
 

graffiti/graph/traversal/token.go

@@ -0,0 +1,96 @@
+//go:generate stringer -type=Token $GOFILE
+
+/*
+ * Copyright (C) 2016 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy ofthe License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specificlanguage governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package traversal
+
+// Token represents a lexical token.
+type Token int
+
+// Default language token, extension token start at 1000
+const (
+	// Special tokens
+	ILLEGAL Token = iota
+	EOF
+	WS
+
+	// Literals
+	IDENT
+
+	// Misc characters
+	COMMA
+	DOT
+	LEFTPARENTHESIS
+	RIGHTPARENTHESIS
+	STRING
+	NUMBER
+
+	// Keywords
+	G
+	V
+	E
+	HAS
+	HASKEY
+	HASNOT
+	HASEITHER
+	OUT
+	IN
+	OUTV
+	INV
+	BOTHV
+	OUTE
+	INE
+	BOTHE
+	DEDUP
+	WITHIN
+	WITHOUT
+	METADATA
+	SHORTESTPATHTO
+	NE
+	NEE
+	BOTH
+	CONTEXT
+	REGEX
+	LT
+	GT
+	LTE
+	GTE
+	INSIDE
+	OUTSIDE
+	BETWEEN
+	COUNT
+	RANGE
+	LIMIT
+	SORT
+	VALUES
+	KEYS
+	SUM
+	ASC
+	DESC
+	IPV4RANGE
+	SUBGRAPH
+	FOREVER
+	NOW
+	AS
+	SELECT
+
+	TRUE
+	FALSE
+
+	// extensions token have to start after 1000
+)

graffiti/graph/traversal/traversal_scanner.go

@@ -24,82 +24,6 @@ import (
 	"strings"
 )
 
-// Token represents a lexical token.
-type Token int
-
-// Default language token, extension token start at 1000
-const (
-	// Special tokens
-	ILLEGAL Token = iota
-	EOF
-	WS
-
-	// Literals
-	IDENT
-
-	// Misc characters
-	COMMA
-	DOT
-	LEFTPARENTHESIS
-	RIGHTPARENTHESIS
-	STRING
-	NUMBER
-
-	// Keywords
-	G
-	V
-	E
-	HAS
-	HASKEY
-	HASNOT
-	HASEITHER
-	OUT
-	IN
-	OUTV
-	INV
-	BOTHV
-	OUTE
-	INE
-	BOTHE
-	DEDUP
-	WITHIN
-	WITHOUT
-	METADATA
-	SHORTESTPATHTO
-	NE
-	NEE
-	BOTH
-	CONTEXT
-	REGEX
-	LT
-	GT
-	LTE
-	GTE
-	INSIDE
-	OUTSIDE
-	BETWEEN
-	COUNT
-	RANGE
-	LIMIT
-	SORT
-	VALUES
-	KEYS
-	SUM
-	ASC
-	DESC
-	IPV4RANGE
-	SUBGRAPH
-	FOREVER
-	NOW
-	AS
-	SELECT
-
-	TRUE
-	FALSE
-
-	// extensions token have to start after 1000
-)
-
 // GremlinTraversalScanner describes a buffer scanner for Gremlin expression extension
 type GremlinTraversalScanner struct {
 	reader     *bufio.Reader