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errors.go
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/
errors.go
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package antlr
import (
"fmt"
"strings"
antlr "github.com/wrmsr/bane/core/antlr/runtime"
"github.com/wrmsr/bane/core/slices"
stru "github.com/wrmsr/bane/core/strings"
)
//
type GenericError struct {
Args []any
}
func (e GenericError) Error() string {
return fmt.Sprintf("generic antlr error: %s", strings.Join(slices.Map[any, string](stru.ToString, e.Args), ", "))
}
//
type PanicErrorListener struct{}
var _ antlr.ErrorListener = PanicErrorListener{}
func (l PanicErrorListener) error(args ...any) {
panic(GenericError{Args: args})
}
func (l PanicErrorListener) SyntaxError(
recognizer antlr.Recognizer,
offendingSymbol any,
line,
column int,
msg string,
e antlr.RecognitionException,
) {
l.error(
offendingSymbol,
line,
column,
msg,
e,
)
}
func (l PanicErrorListener) ReportAmbiguity(
recognizer antlr.Parser,
dfa *antlr.DFA,
startIndex,
stopIndex int,
exact bool,
ambigAlts *antlr.BitSet,
configs antlr.ATNConfigSet,
) {
l.error(
dfa,
startIndex,
stopIndex,
exact,
ambigAlts,
configs,
)
}
func (l PanicErrorListener) ReportAttemptingFullContext(
recognizer antlr.Parser,
dfa *antlr.DFA,
startIndex,
stopIndex int,
conflictingAlts *antlr.BitSet,
configs antlr.ATNConfigSet,
) {
l.error(
dfa,
startIndex,
stopIndex,
conflictingAlts,
configs,
)
}
func (l PanicErrorListener) ReportContextSensitivity(
recognizer antlr.Parser,
dfa *antlr.DFA,
startIndex,
stopIndex,
prediction int,
configs antlr.ATNConfigSet,
) {
l.error(
dfa,
startIndex,
stopIndex,
prediction,
configs,
)
}