func CompileExpression(node lexer.ASTNode, scope Scope) (regexp Regexp, parentScope Scope, err error) {
output := ""
if !node.IsCommandType(lexer.CmdXExpression) {
panic("Compile should be passed an XExpression node only")
}
// List of examples should be isolated in this expression's scope
scope.CurrentRegexp = NewRegexp()
output, scope, err = compileNodeChildren(node, scope)
// The name of the regexp is the comment on the XExpression command
scope.CurrentRegexp.TextName = node.Command().Comment
scope.CurrentRegexp.Source = node.Line().String()
// Run tests on the examples
for _, example := range scope.CurrentRegexp.Examples {
pass := example.Run(output)
if pass {
fmt.Fprintf(os.Stderr, " ✔ Match test passed on %s\n", example.Line.String())
} else {
fmt.Fprintf(os.Stderr, " ✕ Match test failed for\n\t%s\non %s\n", example.Text, example.Line.String())
}
}
scope.CurrentRegexp.RegexpText = output
return scope.CurrentRegexp, scope, err
}
