- Guard aginst non-existing syn highlighter file

- Create mod file in `examples` dir

README.md

@@ -41,13 +41,17 @@ func main() {
 import "fmt"
 
 // A hello world program
-func main() {
+func helloWorld() {
     fmt.Println("Hello world")
 }`
 
     // Load the go syntax file
     // Make sure that the syntax_files directory is in the current directory
-    syntaxFile, _ := ioutil.ReadFile("highlight/syntax_files/go.yaml")
+    syntaxFile, lerr := ioutil.ReadFile("highlight/syntax_files/go.yaml")
+    if lerr != nil {
+        fmt.Println(lerr)
+	return
+    }    
 
     // Parse it into a `*highlight.Def`
     syntaxDef, err := highlight.ParseDef(syntaxFile)

examples/go.mod

@@ -0,0 +1,15 @@
+module examples
+
+go 1.19
+
+require (
+	github.com/fatih/color v1.15.0
+	github.com/zyedidia/highlight v0.0.0-20200217010119-291680feaca1
+)
+
+require (
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)

examples/go.sum

@@ -0,0 +1,16 @@
+github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
+github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPng=
+github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/zyedidia/highlight v0.0.0-20200217010119-291680feaca1 h1:8oQDIgT8V1yyEoEvvoXkSfoJgSst+dUEwunxq8fbs1c=
+github.com/zyedidia/highlight v0.0.0-20200217010119-291680feaca1/go.mod h1:c1r+Ob9tUTPB0FKWO1+x+Hsc/zNa45WdGq7Y38Ybip0=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=

examples/syncat.go

@@ -19,7 +19,11 @@ func main() {
 
 	var defs []*highlight.Def
 	gopath := os.Getenv("GOPATH")
-	files, _ := ioutil.ReadDir(gopath + "/src/github.com/zyedidia/highlight/syntax_files")
+	files, lerr := ioutil.ReadDir(gopath + "/src/github.com/zyedidia/highlight/syntax_files")
+	if lerr != nil {
+	    fmt.Println(lerr)
+	    return
+	}
 
 	for _, f := range files {
 		if strings.HasSuffix(f.Name(), ".yaml") {