func NewError(message string, nodes []ast.Node, stack string, source *source.Source, positions []int) *Error {
if stack == "" && message != "" {
stack = message
}
if source == nil {
for _, node := range nodes {
// get source from first node
if node.GetLoc() != nil {
source = node.GetLoc().Source
}
break
}
}
if len(positions) == 0 && len(nodes) > 0 {
for _, node := range nodes {
if node.GetLoc() == nil {
continue
}
positions = append(positions, node.GetLoc().Start)
}
}
locations := []location.SourceLocation{}
for _, pos := range positions {
loc := location.GetLocation(source, pos)
locations = append(locations, loc)
}
return &Error{
Message: message,
Stack: stack,
Nodes: nodes,
Source: source,
Positions: positions,
Locations: locations,
}
}
func NewSyntaxError(s *source.Source, position int, description string) *Error {
l := location.GetLocation(s, position)
return NewError(
fmt.Sprintf("Syntax Error %s (%d:%d) %s\n\n%s", s.Name, l.Line, l.Column, description, highlightSourceAtLocation(s, l)),
[]ast.Node{},
"",
s,
[]int{position},
)
}