interp: show error line in first line of the traceback

aykevl · deadprogram · commit 510f145a3a83 · 2020-08-25T17:34:32.000+02:00
diff --git a/interp/errors.go b/interp/errors.go
@@ -47,10 +47,12 @@ func (e *Error) Error() string {
 // location of the instruction. The location information may not be complete as
 // it depends on debug information in the IR.
 func (e *evalPackage) errorAt(inst llvm.Value, err error) *Error {
+	pos := getPosition(inst)
 	return &Error{
 		ImportPath: e.packagePath,
-		Pos:        getPosition(inst),
+		Pos:        pos,
 		Err:        err,
+		Traceback:  []ErrorLine{{pos, inst}},
 	}
 }
 

Original file line number	Diff line number	Diff line change
`@@ -47,10 +47,12 @@ func (e *Error) Error() string {`
`47`	`47`	`// location of the instruction. The location information may not be complete as`
`48`	`48`	`// it depends on debug information in the IR.`
`49`	`49`	`func (e evalPackage) errorAt(inst llvm.Value, err error) Error {`
	`50`	`+ pos := getPosition(inst)`
`50`	`51`	`return &Error{`
`51`	`52`	`ImportPath: e.packagePath,`
`52`		`- Pos: getPosition(inst),`
	`53`	`+ Pos: pos,`
`53`	`54`	`Err: err,`
	`55`	`+ Traceback: []ErrorLine{{pos, inst}},`
`54`	`56`	`}`
`55`	`57`	`}`
`56`	`58`