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package lexer
// SimpleRule is a named regular expression.
type SimpleRule struct {
Name string
Pattern string
}
// MustSimple creates a new Stateful lexer with only a single root state.
// The rules are tried in order.
//
// It panics if there is an error.
func MustSimple(rules []SimpleRule) *StatefulDefinition {
def, err := NewSimple(rules)
if err != nil {
panic(err)
}
return def
}
// NewSimple creates a new Stateful lexer with only a single root state.
// The rules are tried in order.
func NewSimple(rules []SimpleRule) (*StatefulDefinition, error) {
fullRules := make([]Rule, len(rules))
for i, rule := range rules {
fullRules[i] = Rule{Name: rule.Name, Pattern: rule.Pattern}
}
return New(Rules{"Root": fullRules})
}
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