From bbb2962bd4bac0ce1271ec7d7cb65d038ead8ed2 Mon Sep 17 00:00:00 2001 From: Mel Date: Sat, 16 Apr 2022 22:05:25 +0200 Subject: Basic scanner for lang --- pkg/lang/scanner/errors.go | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 pkg/lang/scanner/errors.go (limited to 'pkg/lang/scanner/errors.go') diff --git a/pkg/lang/scanner/errors.go b/pkg/lang/scanner/errors.go new file mode 100644 index 0000000..dd9aae3 --- /dev/null +++ b/pkg/lang/scanner/errors.go @@ -0,0 +1,25 @@ +package scanner + +import "errors" + +var ( + ErrScannerFinished = errors.New("scanner already finished") + ErrUnclosedString = errors.New("unclosed string") +) + +type ErrUnexpectedChar struct { + Expected rune + Actual rune +} + +func (e ErrUnexpectedChar) Error() string { + return "unexpected character: expected " + string(e.Expected) + ", actual " + string(e.Actual) +} + +type ErrUnknownChar struct { + Char rune +} + +func (e ErrUnknownChar) Error() string { + return "unknown character: " + string(e.Char) +} -- cgit 1.4.1