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error context for evaluator

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This commit is contained in:
Gokcehan 2016-08-17 23:00:16 +03:00
parent 37a547fd43
commit 3830a2499d
1 changed files with 16 additions and 17 deletions
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33
eval.go
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@ -28,12 +28,13 @@ func (e *SetExpr) eval(app *App, args []string) {
case "scrolloff": case "scrolloff":
n, err := strconv.Atoi(e.val) n, err := strconv.Atoi(e.val)
if err != nil { if err != nil {
app.ui.message = err.Error() msg := fmt.Sprintf("scrolloff: %s", err)
log.Print(err) app.ui.message = msg
log.Print(msg)
return return
} }
if n < 0 { if n < 0 {
msg := "scrolloff should be a non-negative number" msg := "scrolloff: value should be a non-negative number"
app.ui.message = msg app.ui.message = msg
log.Print(msg) log.Print(msg)
return return
@ -47,12 +48,13 @@ func (e *SetExpr) eval(app *App, args []string) {
case "tabstop": case "tabstop":
n, err := strconv.Atoi(e.val) n, err := strconv.Atoi(e.val)
if err != nil { if err != nil {
app.ui.message = err.Error() msg := fmt.Sprintf("tabstop: %s", err)
log.Print(err) app.ui.message = msg
log.Print(msg)
return return
} }
if n <= 0 { if n <= 0 {
msg := "tabstop should be a positive number" msg := "tabstop: value should be a positive number"
app.ui.message = msg app.ui.message = msg
log.Print(msg) log.Print(msg)
return return
@ -85,7 +87,9 @@ func (e *SetExpr) eval(app *App, args []string) {
for _, s := range toks { for _, s := range toks {
i, err := strconv.Atoi(s) i, err := strconv.Atoi(s)
if err != nil { if err != nil {
log.Print(err) msg := fmt.Sprintf("ratios: %s", err)
app.ui.message = msg
log.Print(msg)
return return
} }
rats = append(rats, i) rats = append(rats, i)
@ -139,8 +143,9 @@ func (e *CallExpr) eval(app *App, args []string) {
f, err := os.Stat(path) f, err := os.Stat(path)
if err != nil { if err != nil {
app.ui.message = err.Error() msg := fmt.Sprintf("open: %s", err)
log.Print(err) app.ui.message = msg
log.Print(msg)
return return
} }
@ -158,10 +163,7 @@ func (e *CallExpr) eval(app *App, args []string) {
if gSelectionPath != "" { if gSelectionPath != "" {
out, err := os.Create(gSelectionPath) out, err := os.Create(gSelectionPath)
if err != nil { if err != nil {
msg := fmt.Sprintf("open: %s", err) log.Printf("opening selection file: %s", err)
app.ui.message = msg
log.Print(msg)
return
} }
defer out.Close() defer out.Close()
@ -172,10 +174,7 @@ func (e *CallExpr) eval(app *App, args []string) {
_, err = out.WriteString(path) _, err = out.WriteString(path)
if err != nil { if err != nil {
msg := fmt.Sprintf("open: %s", err) log.Printf("writing selection file: %s", err)
app.ui.message = msg
log.Print(msg)
return
} }
gExitFlag = true gExitFlag = true