From 8663014bbe9d7d5fdead5167bbcdf79c2545f880 Mon Sep 17 00:00:00 2001
From: Zachary Yedidia <zyedidia@gmail.com>
Date: Sat, 28 Dec 2019 18:53:51 -0500
Subject: [PATCH] Add support for syntax headers and update tcell

---
 .gitignore                     |  1 +
 Makefile                       |  5 +++
 go.mod                         |  2 +-
 go.sum                         |  2 +
 internal/config/rtfiles.go     | 12 +++---
 runtime/syntax/make_headers.go | 74 ++++++++++++++++++++++++++++++++++
 6 files changed, 90 insertions(+), 6 deletions(-)
 create mode 100644 runtime/syntax/make_headers.go

diff --git a/.gitignore b/.gitignore
index cf96d12a..32302828 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@ tools/build-version
 tools/build-date
 tools/info-plist
 tools/bindata
+*.hdr
diff --git a/Makefile b/Makefile
index d59695c5..ac1fb45c 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,9 @@ build:
 build-dbg:
 	go build -mod=readonly -ldflags "-s -w $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
 
+build-mod:
+	go build -ldflags "-s -w $(ADDITIONAL_GO_LINKER_FLAGS)" ./cmd/micro
+
 # Builds micro after building the runtime and checking dependencies
 build-all: runtime build
 
@@ -39,6 +42,7 @@ install-quick:
 # Builds the runtime
 runtime:
 	git submodule update --init
+	go run runtime/syntax/make_headers.go runtime/syntax
 	go build -o tools/bindata ./tools/go-bindata
 	tools/bindata -pkg config -nomemcopy -nometadata -o runtime.go runtime/...
 	mv runtime.go internal/config
@@ -49,3 +53,4 @@ test:
 
 clean:
 	rm -f micro
+	rm -f runtime/syntax/*.hdr
diff --git a/go.mod b/go.mod
index c55b02b1..8d1b4fa9 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/zyedidia/glob v0.0.0-20170209203856-dd4023a66dc3
 	github.com/zyedidia/poller v0.0.0-20170616160828-ab09682913b7 // indirect
 	github.com/zyedidia/pty v2.0.0+incompatible // indirect
-	github.com/zyedidia/tcell v0.0.0-20191227234059-2c574ec1b972
+	github.com/zyedidia/tcell v0.0.0-20191228235154-5b9bbc0d56c7
 	github.com/zyedidia/terminal v0.0.0-20180726154117-533c623e2415
 	golang.org/x/text v0.3.2
 	gopkg.in/yaml.v2 v2.2.7
diff --git a/go.sum b/go.sum
index d0bdad2a..f8a69fce 100644
--- a/go.sum
+++ b/go.sum
@@ -48,6 +48,8 @@ github.com/zyedidia/tcell v0.0.0-20191219170756-59b50b23fa9b h1:cryFENlMxJJrkimV
 github.com/zyedidia/tcell v0.0.0-20191219170756-59b50b23fa9b/go.mod h1:yXgdp23+aW8OMENYVBvpKoeiBtjaVWJ9HhpPDu6LBfM=
 github.com/zyedidia/tcell v0.0.0-20191227234059-2c574ec1b972 h1:tqsPH3tvIF9LQMWQODln09mJEV1ZlwC1qc5dTplj+eI=
 github.com/zyedidia/tcell v0.0.0-20191227234059-2c574ec1b972/go.mod h1:yXgdp23+aW8OMENYVBvpKoeiBtjaVWJ9HhpPDu6LBfM=
+github.com/zyedidia/tcell v0.0.0-20191228235154-5b9bbc0d56c7 h1:Qw5255OIirY741L/Kt5KLitfzfhpk29x+A193zByTS0=
+github.com/zyedidia/tcell v0.0.0-20191228235154-5b9bbc0d56c7/go.mod h1:yXgdp23+aW8OMENYVBvpKoeiBtjaVWJ9HhpPDu6LBfM=
 github.com/zyedidia/terminal v0.0.0-20180726154117-533c623e2415 h1:752dTQ5OatJ9M5ULK2+9lor+nzyZz+LYDo3WGngg3Rc=
 github.com/zyedidia/terminal v0.0.0-20180726154117-533c623e2415/go.mod h1:8leT8G0Cm8NoJHdrrKHyR9MirWoF4YW7pZh06B6H+1E=
 golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
diff --git a/internal/config/rtfiles.go b/internal/config/rtfiles.go
index 6c1d6103..ab55eeed 100644
--- a/internal/config/rtfiles.go
+++ b/internal/config/rtfiles.go
@@ -12,11 +12,12 @@ import (
 )
 
 const (
-	RTColorscheme = 0
-	RTSyntax      = 1
-	RTHelp        = 2
-	RTPlugin      = 3
-	NumTypes      = 4 // How many filetypes are there
+	RTColorscheme  = 0
+	RTSyntax       = 1
+	RTHelp         = 2
+	RTPlugin       = 3
+	RTSyntaxHeader = 4
+	NumTypes       = 5 // How many filetypes are there
 )
 
 type RTFiletype byte
@@ -135,6 +136,7 @@ func InitRuntimeFiles() {
 
 	add(RTColorscheme, "colorschemes", "*.micro")
 	add(RTSyntax, "syntax", "*.yaml")
+	add(RTSyntaxHeader, "header", "*.hdr")
 	add(RTHelp, "help", "*.md")
 
 	initlua := filepath.Join(ConfigDir, "init.lua")
diff --git a/runtime/syntax/make_headers.go b/runtime/syntax/make_headers.go
new file mode 100644
index 00000000..4717a32b
--- /dev/null
+++ b/runtime/syntax/make_headers.go
@@ -0,0 +1,74 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strings"
+	"time"
+
+	yaml "gopkg.in/yaml.v2"
+)
+
+type HeaderYaml struct {
+	FileType string `yaml:"filetype"`
+	Detect   struct {
+		FNameRgx  string `yaml:"filename"`
+		HeaderRgx string `yaml:"header"`
+	} `yaml:"detect"`
+}
+
+type Header struct {
+	FileType  string
+	FNameRgx  string
+	HeaderRgx string
+}
+
+func main() {
+	if len(os.Args) > 1 {
+		os.Chdir(os.Args[1])
+	}
+	files, _ := ioutil.ReadDir(".")
+	for _, f := range files {
+		fname := f.Name()
+		if strings.HasSuffix(fname, ".yaml") {
+			convert(fname[:len(fname)-5])
+		}
+	}
+}
+
+func convert(name string) {
+	filename := name + ".yaml"
+	var hdr HeaderYaml
+	source, err := ioutil.ReadFile(filename)
+	if err != nil {
+		panic(err)
+	}
+	err = yaml.Unmarshal(source, &hdr)
+	if err != nil {
+		panic(err)
+	}
+	encode(name, hdr)
+}
+
+func encode(name string, c HeaderYaml) {
+	f, _ := os.Create(name + ".hdr")
+	f.WriteString(c.FileType + "\n")
+	f.WriteString(c.Detect.FNameRgx + "\n")
+	f.WriteString(c.Detect.HeaderRgx + "\n")
+	f.Close()
+}
+
+func decode(name string) Header {
+	start := time.Now()
+	data, _ := ioutil.ReadFile(name + ".hdr")
+	strs := bytes.Split(data, []byte{'\n'})
+	var hdr Header
+	hdr.FileType = string(strs[0])
+	hdr.FNameRgx = string(strs[1])
+	hdr.HeaderRgx = string(strs[2])
+	fmt.Printf("took %v\n", time.Since(start))
+
+	return hdr
+}