From afbe611e4788ffffb2c48d94d65786ff6b36c85d Mon Sep 17 00:00:00 2001
From: Yusuke Asai <prometric2000@gmail.com>
Date: Sun, 31 Aug 2025 08:58:57 +0900
Subject: [PATCH] add peg as a tool dependency

---
 .github/dependabot.yml                               | 12 ++++++++++++
 .github/workflows/test.yml                           |  7 +++++++
 go.mod                                               |  4 +++-
 go.sum                                               |  2 ++
 internal/depends/depends.go                          |  6 ++++++
 internal/grammer/generate.go                         |  3 +++
 .../{syntax/jsonpath.peg => grammer/grammar.peg}     |  0
 internal/syntax/{jsonpath.peg.go => grammar.go}      |  2 +-
 8 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 .github/dependabot.yml
 create mode 100644 internal/depends/depends.go
 create mode 100644 internal/grammer/generate.go
 rename internal/{syntax/jsonpath.peg => grammer/grammar.peg} (100%)
 rename internal/syntax/{jsonpath.peg.go => grammar.go} (99%)

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..6269e59
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c199ced..b3495de 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,6 +18,13 @@ jobs:
         with:
           go-version-file: 'go.mod'
 
+      - name: Generate parser (peg)
+        run: go generate ./...
+
+      - name: Check generated files up-to-date
+        run: |
+          git --no-pager diff --exit-code || (echo "Run 'go generate ./...' and commit generated changes" && exit 1)
+
       - name: Run Unit tests
         run: go test -race -covermode atomic -coverprofile=covprofile -coverpkg=.,./config,./errors,./internal/syntax ./...
 
diff --git a/go.mod b/go.mod
index ec6dcb9..003ea1a 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module github.com/AsaiYusuke/jsonpath/v2
 
-go 1.24
+go 1.25
+
+require github.com/pointlander/peg v1.0.2-0.20250815145649-e7926250bae5
diff --git a/go.sum b/go.sum
index e69de29..738938f 100644
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/pointlander/peg v1.0.2-0.20250815145649-e7926250bae5 h1:HpP/2mYdqYYy33qBhgkJtordzBMQivEO4yKh2TsPFis=
+github.com/pointlander/peg v1.0.2-0.20250815145649-e7926250bae5/go.mod h1:jOjW+bhmjY4xlK6MReHcgyq470+kgM+74DE4xP6G86Y=
diff --git a/internal/depends/depends.go b/internal/depends/depends.go
new file mode 100644
index 0000000..e4b4598
--- /dev/null
+++ b/internal/depends/depends.go
@@ -0,0 +1,6 @@
+//go:build depends
+// +build depends
+
+package depends
+
+import _ "github.com/pointlander/peg"
diff --git a/internal/grammer/generate.go b/internal/grammer/generate.go
new file mode 100644
index 0000000..f640a07
--- /dev/null
+++ b/internal/grammer/generate.go
@@ -0,0 +1,3 @@
+package grammer
+
+//go:generate go run github.com/pointlander/peg -inline -switch -output ../syntax/grammar.go grammar.peg
diff --git a/internal/syntax/jsonpath.peg b/internal/grammer/grammar.peg
similarity index 100%
rename from internal/syntax/jsonpath.peg
rename to internal/grammer/grammar.peg
diff --git a/internal/syntax/jsonpath.peg.go b/internal/syntax/grammar.go
similarity index 99%
rename from internal/syntax/jsonpath.peg.go
rename to internal/syntax/grammar.go
index c7bd056..e105da3 100644
--- a/internal/syntax/jsonpath.peg.go
+++ b/internal/syntax/grammar.go
@@ -1,4 +1,4 @@
-// Code generated by peg -inline -switch internal/syntax/jsonpath.peg. DO NOT EDIT.
+// Code generated by peg -inline -switch -output ../syntax/grammar.go grammar.peg. DO NOT EDIT.
 
 package syntax