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-rw-r--r--tests/unit/urubu/driver/lexer.go932
1 files changed, 932 insertions, 0 deletions
diff --git a/tests/unit/urubu/driver/lexer.go b/tests/unit/urubu/driver/lexer.go
new file mode 100644
index 0000000..a3d0231
--- /dev/null
+++ b/tests/unit/urubu/driver/lexer.go
@@ -0,0 +1,932 @@
+package lexer
+
+import (
+ "bytes"
+ "fmt"
+ "strings"
+ "testing"
+
+ "urubu/grammar/lexical"
+ spec "urubu/spec/grammar"
+)
+
+func newLexEntry(modes []string, kind string, pattern string, push string, pop bool) *lexical.LexEntry {
+ ms := []spec.LexModeName{}
+ for _, m := range modes {
+ ms = append(ms, spec.LexModeName(m))
+ }
+ return &lexical.LexEntry{
+ Kind: spec.LexKindName(kind),
+ Pattern: pattern,
+ Modes: ms,
+ Push: spec.LexModeName(push),
+ Pop: pop,
+ }
+}
+
+func newLexEntryDefaultNOP(kind string, pattern string) *lexical.LexEntry {
+ return &lexical.LexEntry{
+ Kind: spec.LexKindName(kind),
+ Pattern: pattern,
+ Modes: []spec.LexModeName{
+ spec.LexModeNameDefault,
+ },
+ }
+}
+
+func newLexEntryFragment(kind string, pattern string) *lexical.LexEntry {
+ return &lexical.LexEntry{
+ Kind: spec.LexKindName(kind),
+ Pattern: pattern,
+ Fragment: true,
+ }
+}
+
+func newToken(modeID ModeID, kindID KindID, modeKindID ModeKindID, lexeme []byte) *Token {
+ return &Token{
+ ModeID: modeID,
+ KindID: kindID,
+ ModeKindID: modeKindID,
+ Lexeme: lexeme,
+ }
+}
+
+func newTokenDefault(kindID int, modeKindID int, lexeme []byte) *Token {
+ return newToken(
+ ModeID(spec.LexModeIDDefault.Int()),
+ KindID(spec.LexKindID(kindID).Int()),
+ ModeKindID(spec.LexModeKindID(modeKindID).Int()),
+ lexeme,
+ )
+}
+
+func newEOFToken(modeID ModeID, modeName string) *Token {
+ return &Token{
+ ModeID: modeID,
+ ModeKindID: 0,
+ EOF: true,
+ }
+}
+
+func newEOFTokenDefault() *Token {
+ return newEOFToken(ModeID(spec.LexModeIDDefault.Int()), spec.LexModeNameDefault.String())
+}
+
+func newInvalidTokenDefault(lexeme []byte) *Token {
+ return &Token{
+ ModeID: ModeID(spec.LexModeIDDefault.Int()),
+ ModeKindID: 0,
+ Lexeme: lexeme,
+ Invalid: true,
+ }
+}
+
+func withPos(tok *Token, bytePos int, byteLen int, row int, col int) *Token {
+ tok.BytePos = bytePos
+ tok.ByteLen = byteLen
+ tok.Row = row
+ tok.Col = col
+ return tok
+}
+
+func TestLexer_Next(t *testing.T) {
+ test := []struct {
+ lspec *lexical.LexSpec
+ src string
+ tokens []*Token
+ passiveModeTran bool
+ tran func(l *Lexer, tok *Token) error
+ }{
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("t1", "(a|b)*abb"),
+ newLexEntryDefaultNOP("t2", " +"),
+ },
+ },
+ src: "abb aabb aaabb babb bbabb abbbabb",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte("abb")), 0, 3, 0, 0),
+ withPos(newTokenDefault(2, 2, []byte(" ")), 3, 1, 0, 3),
+ withPos(newTokenDefault(1, 1, []byte("aabb")), 4, 4, 0, 4),
+ withPos(newTokenDefault(2, 2, []byte(" ")), 8, 1, 0, 8),
+ withPos(newTokenDefault(1, 1, []byte("aaabb")), 9, 5, 0, 9),
+ withPos(newTokenDefault(2, 2, []byte(" ")), 14, 1, 0, 14),
+ withPos(newTokenDefault(1, 1, []byte("babb")), 15, 4, 0, 15),
+ withPos(newTokenDefault(2, 2, []byte(" ")), 19, 1, 0, 19),
+ withPos(newTokenDefault(1, 1, []byte("bbabb")), 20, 5, 0, 20),
+ withPos(newTokenDefault(2, 2, []byte(" ")), 25, 1, 0, 25),
+ withPos(newTokenDefault(1, 1, []byte("abbbabb")), 26, 7, 0, 26),
+ withPos(newEOFTokenDefault(), 33, 0, 0, 33),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("t1", "b?a+"),
+ newLexEntryDefaultNOP("t2", "(ab)?(cd)+"),
+ newLexEntryDefaultNOP("t3", " +"),
+ },
+ },
+ src: "ba baaa a aaa abcd abcdcdcd cd cdcdcd",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte("ba")), 0, 2, 0, 0),
+ withPos(newTokenDefault(3, 3, []byte(" ")), 2, 1, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte("baaa")), 3, 4, 0, 3),
+ withPos(newTokenDefault(3, 3, []byte(" ")), 7, 1, 0, 7),
+ withPos(newTokenDefault(1, 1, []byte("a")), 8, 1, 0, 8),
+ withPos(newTokenDefault(3, 3, []byte(" ")), 9, 1, 0, 9),
+ withPos(newTokenDefault(1, 1, []byte("aaa")), 10, 3, 0, 10),
+ withPos(newTokenDefault(3, 3, []byte(" ")), 13, 1, 0, 13),
+ withPos(newTokenDefault(2, 2, []byte("abcd")), 14, 4, 0, 14),
+ withPos(newTokenDefault(3, 3, []byte(" ")), 18, 1, 0, 18),
+ withPos(newTokenDefault(2, 2, []byte("abcdcdcd")), 19, 8, 0, 19),
+ withPos(newTokenDefault(3, 3, []byte(" ")), 27, 1, 0, 27),
+ withPos(newTokenDefault(2, 2, []byte("cd")), 28, 2, 0, 28),
+ withPos(newTokenDefault(3, 3, []byte(" ")), 30, 1, 0, 30),
+ withPos(newTokenDefault(2, 2, []byte("cdcdcd")), 31, 6, 0, 31),
+ withPos(newEOFTokenDefault(), 37, 0, 0, 37),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("t1", "."),
+ },
+ },
+ src: string([]byte{
+ 0x00,
+ 0x7f,
+ 0xc2, 0x80,
+ 0xdf, 0xbf,
+ 0xe1, 0x80, 0x80,
+ 0xec, 0xbf, 0xbf,
+ 0xed, 0x80, 0x80,
+ 0xed, 0x9f, 0xbf,
+ 0xee, 0x80, 0x80,
+ 0xef, 0xbf, 0xbf,
+ 0xf0, 0x90, 0x80, 0x80,
+ 0xf0, 0xbf, 0xbf, 0xbf,
+ 0xf1, 0x80, 0x80, 0x80,
+ 0xf3, 0xbf, 0xbf, 0xbf,
+ 0xf4, 0x80, 0x80, 0x80,
+ 0xf4, 0x8f, 0xbf, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0x00}), 0, 1, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0x7f}), 1, 1, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xc2, 0x80}), 2, 2, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xdf, 0xbf}), 4, 2, 0, 3),
+ withPos(newTokenDefault(1, 1, []byte{0xe1, 0x80, 0x80}), 6, 3, 0, 4),
+ withPos(newTokenDefault(1, 1, []byte{0xec, 0xbf, 0xbf}), 9, 3, 0, 5),
+ withPos(newTokenDefault(1, 1, []byte{0xed, 0x80, 0x80}), 12, 3, 0, 6),
+ withPos(newTokenDefault(1, 1, []byte{0xed, 0x9f, 0xbf}), 15, 3, 0, 7),
+ withPos(newTokenDefault(1, 1, []byte{0xee, 0x80, 0x80}), 18, 3, 0, 8),
+ withPos(newTokenDefault(1, 1, []byte{0xef, 0xbf, 0xbf}), 21, 3, 0, 9),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x80}), 24, 4, 0, 10),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0xbf, 0xbf, 0xbf}), 28, 4, 0, 11),
+ withPos(newTokenDefault(1, 1, []byte{0xf1, 0x80, 0x80, 0x80}), 32, 4, 0, 12),
+ withPos(newTokenDefault(1, 1, []byte{0xf3, 0xbf, 0xbf, 0xbf}), 36, 4, 0, 13),
+ withPos(newTokenDefault(1, 1, []byte{0xf4, 0x80, 0x80, 0x80}), 40, 4, 0, 14),
+ withPos(newTokenDefault(1, 1, []byte{0xf4, 0x8f, 0xbf, 0xbf}), 44, 4, 0, 15),
+ withPos(newEOFTokenDefault(), 48, 0, 0, 16),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("t1", "[ab.*+?|()[\\]]"),
+ },
+ },
+ src: "ab.*+?|()[]",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte("a")), 0, 1, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte("b")), 1, 1, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte(".")), 2, 1, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte("*")), 3, 1, 0, 3),
+ withPos(newTokenDefault(1, 1, []byte("+")), 4, 1, 0, 4),
+ withPos(newTokenDefault(1, 1, []byte("?")), 5, 1, 0, 5),
+ withPos(newTokenDefault(1, 1, []byte("|")), 6, 1, 0, 6),
+ withPos(newTokenDefault(1, 1, []byte("(")), 7, 1, 0, 7),
+ withPos(newTokenDefault(1, 1, []byte(")")), 8, 1, 0, 8),
+ withPos(newTokenDefault(1, 1, []byte("[")), 9, 1, 0, 9),
+ withPos(newTokenDefault(1, 1, []byte("]")), 10, 1, 0, 10),
+ withPos(newEOFTokenDefault(), 11, 0, 0, 11),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // all 1 byte characters except null character (U+0000)
+ //
+ // NOTE:
+ // vartan cannot handle the null character in patterns because lexical.lexer,
+ // specifically read() and restore(), recognizes the null characters as that a symbol doesn't exist.
+ // If a pattern needs a null character, use code point expression \u{0000}.
+ newLexEntryDefaultNOP("char_1_byte", "[\x01-\x7f]"),
+ },
+ },
+ src: string([]byte{
+ 0x01,
+ 0x02,
+ 0x7e,
+ 0x7f,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0x01}), 0, 1, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0x02}), 1, 1, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0x7e}), 2, 1, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0x7f}), 3, 1, 0, 3),
+ withPos(newEOFTokenDefault(), 4, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // all 2 byte characters
+ newLexEntryDefaultNOP("char_2_byte", "[\xc2\x80-\xdf\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xc2, 0x80,
+ 0xc2, 0x81,
+ 0xdf, 0xbe,
+ 0xdf, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xc2, 0x80}), 0, 2, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xc2, 0x81}), 2, 2, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xdf, 0xbe}), 4, 2, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xdf, 0xbf}), 6, 2, 0, 3),
+ withPos(newEOFTokenDefault(), 8, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // All bytes are the same.
+ newLexEntryDefaultNOP("char_3_byte", "[\xe0\xa0\x80-\xe0\xa0\x80]"),
+ },
+ },
+ src: string([]byte{
+ 0xe0, 0xa0, 0x80,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0x80}), 0, 3, 0, 0),
+ withPos(newEOFTokenDefault(), 3, 0, 0, 1),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // The first two bytes are the same.
+ newLexEntryDefaultNOP("char_3_byte", "[\xe0\xa0\x80-\xe0\xa0\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xe0, 0xa0, 0x80,
+ 0xe0, 0xa0, 0x81,
+ 0xe0, 0xa0, 0xbe,
+ 0xe0, 0xa0, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0x80}), 0, 3, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0x81}), 3, 3, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0xbe}), 6, 3, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0xbf}), 9, 3, 0, 3),
+ withPos(newEOFTokenDefault(), 12, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // The first byte are the same.
+ newLexEntryDefaultNOP("char_3_byte", "[\xe0\xa0\x80-\xe0\xbf\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xe0, 0xa0, 0x80,
+ 0xe0, 0xa0, 0x81,
+ 0xe0, 0xbf, 0xbe,
+ 0xe0, 0xbf, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0x80}), 0, 3, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0x81}), 3, 3, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xbf, 0xbe}), 6, 3, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xbf, 0xbf}), 9, 3, 0, 3),
+ withPos(newEOFTokenDefault(), 12, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // all 3 byte characters
+ newLexEntryDefaultNOP("char_3_byte", "[\xe0\xa0\x80-\xef\xbf\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xe0, 0xa0, 0x80,
+ 0xe0, 0xa0, 0x81,
+ 0xe0, 0xbf, 0xbe,
+ 0xe0, 0xbf, 0xbf,
+ 0xe1, 0x80, 0x80,
+ 0xe1, 0x80, 0x81,
+ 0xec, 0xbf, 0xbe,
+ 0xec, 0xbf, 0xbf,
+ 0xed, 0x80, 0x80,
+ 0xed, 0x80, 0x81,
+ 0xed, 0x9f, 0xbe,
+ 0xed, 0x9f, 0xbf,
+ 0xee, 0x80, 0x80,
+ 0xee, 0x80, 0x81,
+ 0xef, 0xbf, 0xbe,
+ 0xef, 0xbf, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0x80}), 0, 3, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xa0, 0x81}), 3, 3, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xbf, 0xbe}), 6, 3, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xe0, 0xbf, 0xbf}), 9, 3, 0, 3),
+ withPos(newTokenDefault(1, 1, []byte{0xe1, 0x80, 0x80}), 12, 3, 0, 4),
+ withPos(newTokenDefault(1, 1, []byte{0xe1, 0x80, 0x81}), 15, 3, 0, 5),
+ withPos(newTokenDefault(1, 1, []byte{0xec, 0xbf, 0xbe}), 18, 3, 0, 6),
+ withPos(newTokenDefault(1, 1, []byte{0xec, 0xbf, 0xbf}), 21, 3, 0, 7),
+ withPos(newTokenDefault(1, 1, []byte{0xed, 0x80, 0x80}), 24, 3, 0, 8),
+ withPos(newTokenDefault(1, 1, []byte{0xed, 0x80, 0x81}), 27, 3, 0, 9),
+ withPos(newTokenDefault(1, 1, []byte{0xed, 0x9f, 0xbe}), 30, 3, 0, 10),
+ withPos(newTokenDefault(1, 1, []byte{0xed, 0x9f, 0xbf}), 33, 3, 0, 11),
+ withPos(newTokenDefault(1, 1, []byte{0xee, 0x80, 0x80}), 36, 3, 0, 12),
+ withPos(newTokenDefault(1, 1, []byte{0xee, 0x80, 0x81}), 39, 3, 0, 13),
+ withPos(newTokenDefault(1, 1, []byte{0xef, 0xbf, 0xbe}), 42, 3, 0, 14),
+ withPos(newTokenDefault(1, 1, []byte{0xef, 0xbf, 0xbf}), 45, 3, 0, 15),
+ withPos(newEOFTokenDefault(), 48, 0, 0, 16),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // All bytes are the same.
+ newLexEntryDefaultNOP("char_4_byte", "[\xf0\x90\x80\x80-\xf0\x90\x80\x80]"),
+ },
+ },
+ src: string([]byte{
+ 0xf0, 0x90, 0x80, 0x80,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x80}), 0, 4, 0, 0),
+ withPos(newEOFTokenDefault(), 4, 0, 0, 1),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // The first 3 bytes are the same.
+ newLexEntryDefaultNOP("char_4_byte", "[\xf0\x90\x80\x80-\xf0\x90\x80\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xf0, 0x90, 0x80, 0x80,
+ 0xf0, 0x90, 0x80, 0x81,
+ 0xf0, 0x90, 0x80, 0xbe,
+ 0xf0, 0x90, 0x80, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x80}), 0, 4, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x81}), 4, 4, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0xbe}), 8, 4, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0xbf}), 12, 4, 0, 3),
+ withPos(newEOFTokenDefault(), 16, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // The first 2 bytes are the same.
+ newLexEntryDefaultNOP("char_4_byte", "[\xf0\x90\x80\x80-\xf0\x90\xbf\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xf0, 0x90, 0x80, 0x80,
+ 0xf0, 0x90, 0x80, 0x81,
+ 0xf0, 0x90, 0xbf, 0xbe,
+ 0xf0, 0x90, 0xbf, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x80}), 0, 4, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x81}), 4, 4, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0xbf, 0xbe}), 8, 4, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0xbf, 0xbf}), 12, 4, 0, 3),
+ withPos(newEOFTokenDefault(), 16, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // The first byte are the same.
+ newLexEntryDefaultNOP("char_4_byte", "[\xf0\x90\x80\x80-\xf0\xbf\xbf\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xf0, 0x90, 0x80, 0x80,
+ 0xf0, 0x90, 0x80, 0x81,
+ 0xf0, 0xbf, 0xbf, 0xbe,
+ 0xf0, 0xbf, 0xbf, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x80}), 0, 4, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x81}), 4, 4, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0xbf, 0xbf, 0xbe}), 8, 4, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0xbf, 0xbf, 0xbf}), 12, 4, 0, 3),
+ withPos(newEOFTokenDefault(), 16, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // all 4 byte characters
+ newLexEntryDefaultNOP("char_4_byte", "[\xf0\x90\x80\x80-\xf4\x8f\xbf\xbf]"),
+ },
+ },
+ src: string([]byte{
+ 0xf0, 0x90, 0x80, 0x80,
+ 0xf0, 0x90, 0x80, 0x81,
+ 0xf0, 0xbf, 0xbf, 0xbe,
+ 0xf0, 0xbf, 0xbf, 0xbf,
+ 0xf1, 0x80, 0x80, 0x80,
+ 0xf1, 0x80, 0x80, 0x81,
+ 0xf3, 0xbf, 0xbf, 0xbe,
+ 0xf3, 0xbf, 0xbf, 0xbf,
+ 0xf4, 0x80, 0x80, 0x80,
+ 0xf4, 0x80, 0x80, 0x81,
+ 0xf4, 0x8f, 0xbf, 0xbe,
+ 0xf4, 0x8f, 0xbf, 0xbf,
+ }),
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x80}), 0, 4, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0x90, 0x80, 0x81}), 4, 4, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0xbf, 0xbf, 0xbe}), 8, 4, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xf0, 0xbf, 0xbf, 0xbf}), 12, 4, 0, 3),
+ withPos(newTokenDefault(1, 1, []byte{0xf1, 0x80, 0x80, 0x80}), 16, 4, 0, 4),
+ withPos(newTokenDefault(1, 1, []byte{0xf1, 0x80, 0x80, 0x81}), 20, 4, 0, 5),
+ withPos(newTokenDefault(1, 1, []byte{0xf3, 0xbf, 0xbf, 0xbe}), 24, 4, 0, 6),
+ withPos(newTokenDefault(1, 1, []byte{0xf3, 0xbf, 0xbf, 0xbf}), 28, 4, 0, 7),
+ withPos(newTokenDefault(1, 1, []byte{0xf4, 0x80, 0x80, 0x80}), 32, 4, 0, 8),
+ withPos(newTokenDefault(1, 1, []byte{0xf4, 0x80, 0x80, 0x81}), 36, 4, 0, 9),
+ withPos(newTokenDefault(1, 1, []byte{0xf4, 0x8f, 0xbf, 0xbe}), 40, 4, 0, 10),
+ withPos(newTokenDefault(1, 1, []byte{0xf4, 0x8f, 0xbf, 0xbf}), 44, 4, 0, 11),
+ withPos(newEOFTokenDefault(), 48, 0, 0, 12),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("non_number", "[^0-9]+[0-9]"),
+ },
+ },
+ src: "foo9",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte("foo9")), 0, 4, 0, 0),
+ withPos(newEOFTokenDefault(), 4, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("char_1_byte", "\\u{006E}"),
+ newLexEntryDefaultNOP("char_2_byte", "\\u{03BD}"),
+ newLexEntryDefaultNOP("char_3_byte", "\\u{306B}"),
+ newLexEntryDefaultNOP("char_4_byte", "\\u{01F638}"),
+ },
+ },
+ src: "nνに😸",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0x6E}), 0, 1, 0, 0),
+ withPos(newTokenDefault(2, 2, []byte{0xCE, 0xBD}), 1, 2, 0, 1),
+ withPos(newTokenDefault(3, 3, []byte{0xE3, 0x81, 0xAB}), 3, 3, 0, 2),
+ withPos(newTokenDefault(4, 4, []byte{0xF0, 0x9F, 0x98, 0xB8}), 6, 4, 0, 3),
+ withPos(newEOFTokenDefault(), 10, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("code_points_alt", "[\\u{006E}\\u{03BD}\\u{306B}\\u{01F638}]"),
+ },
+ },
+ src: "nνに😸",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte{0x6E}), 0, 1, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte{0xCE, 0xBD}), 1, 2, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0xE3, 0x81, 0xAB}), 3, 3, 0, 2),
+ withPos(newTokenDefault(1, 1, []byte{0xF0, 0x9F, 0x98, 0xB8}), 6, 4, 0, 3),
+ withPos(newEOFTokenDefault(), 10, 0, 0, 4),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("t1", "\\f{a2c}\\f{d2f}+"),
+ newLexEntryFragment("a2c", "abc"),
+ newLexEntryFragment("d2f", "def"),
+ },
+ },
+ src: "abcdefdefabcdef",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte("abcdefdef")), 0, 9, 0, 0),
+ withPos(newTokenDefault(1, 1, []byte("abcdef")), 9, 6, 0, 9),
+ withPos(newEOFTokenDefault(), 15, 0, 0, 15),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("t1", "(\\f{a2c}|\\f{d2f})+"),
+ newLexEntryFragment("a2c", "abc"),
+ newLexEntryFragment("d2f", "def"),
+ },
+ },
+ src: "abcdefdefabc",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte("abcdefdefabc")), 0, 12, 0, 0),
+ withPos(newEOFTokenDefault(), 12, 0, 0, 12),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("t1", "\\f{a2c_or_d2f}+"),
+ newLexEntryFragment("a2c_or_d2f", "\\f{a2c}|\\f{d2f}"),
+ newLexEntryFragment("a2c", "abc"),
+ newLexEntryFragment("d2f", "def"),
+ },
+ },
+ src: "abcdefdefabc",
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte("abcdefdefabc")), 0, 12, 0, 0),
+ withPos(newEOFTokenDefault(), 12, 0, 0, 12),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("white_space", ` *`),
+ newLexEntry([]string{"default"}, "string_open", `"`, "string", false),
+ newLexEntry([]string{"string"}, "escape_sequence", `\\[n"\\]`, "", false),
+ newLexEntry([]string{"string"}, "char_sequence", `[^"\\]*`, "", false),
+ newLexEntry([]string{"string"}, "string_close", `"`, "", true),
+ },
+ },
+ src: `"" "Hello world.\n\"Hello world.\""`,
+ tokens: []*Token{
+ withPos(newToken(1, 2, 2, []byte(`"`)), 0, 1, 0, 0),
+ withPos(newToken(2, 5, 3, []byte(`"`)), 1, 1, 0, 1),
+ withPos(newToken(1, 1, 1, []byte(` `)), 2, 1, 0, 2),
+ withPos(newToken(1, 2, 2, []byte(`"`)), 3, 1, 0, 3),
+ withPos(newToken(2, 4, 2, []byte(`Hello world.`)), 4, 12, 0, 4),
+ withPos(newToken(2, 3, 1, []byte(`\n`)), 16, 2, 0, 16),
+ withPos(newToken(2, 3, 1, []byte(`\"`)), 18, 2, 0, 18),
+ withPos(newToken(2, 4, 2, []byte(`Hello world.`)), 20, 12, 0, 20),
+ withPos(newToken(2, 3, 1, []byte(`\"`)), 32, 2, 0, 32),
+ withPos(newToken(2, 5, 3, []byte(`"`)), 34, 1, 0, 34),
+ withPos(newEOFTokenDefault(), 35, 0, 0, 35),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ // `white_space` is enabled in multiple modes.
+ newLexEntry([]string{"default", "state_a", "state_b"}, "white_space", ` *`, "", false),
+ newLexEntry([]string{"default"}, "char_a", `a`, "state_a", false),
+ newLexEntry([]string{"state_a"}, "char_b", `b`, "state_b", false),
+ newLexEntry([]string{"state_a"}, "back_from_a", `<`, "", true),
+ newLexEntry([]string{"state_b"}, "back_from_b", `<`, "", true),
+ },
+ },
+ src: ` a b < < `,
+ tokens: []*Token{
+ withPos(newToken(1, 1, 1, []byte(` `)), 0, 1, 0, 0),
+ withPos(newToken(1, 2, 2, []byte(`a`)), 1, 1, 0, 1),
+ withPos(newToken(2, 1, 1, []byte(` `)), 2, 1, 0, 2),
+ withPos(newToken(2, 3, 2, []byte(`b`)), 3, 1, 0, 3),
+ withPos(newToken(3, 1, 1, []byte(` `)), 4, 1, 0, 4),
+ withPos(newToken(3, 5, 2, []byte(`<`)), 5, 1, 0, 5),
+ withPos(newToken(2, 1, 1, []byte(` `)), 6, 1, 0, 6),
+ withPos(newToken(2, 4, 3, []byte(`<`)), 7, 1, 0, 7),
+ withPos(newToken(1, 1, 1, []byte(` `)), 8, 1, 0, 8),
+ withPos(newEOFTokenDefault(), 9, 0, 0, 9),
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntry([]string{"default", "mode_1", "mode_2"}, "white_space", ` *`, "", false),
+ newLexEntry([]string{"default"}, "char", `.`, "", false),
+ newLexEntry([]string{"default"}, "push_1", `-> 1`, "", false),
+ newLexEntry([]string{"mode_1"}, "push_2", `-> 2`, "", false),
+ newLexEntry([]string{"mode_1"}, "pop_1", `<-`, "", false),
+ newLexEntry([]string{"mode_2"}, "pop_2", `<-`, "", false),
+ },
+ },
+ src: `-> 1 -> 2 <- <- a`,
+ tokens: []*Token{
+ withPos(newToken(1, 3, 3, []byte(`-> 1`)), 0, 4, 0, 0),
+ withPos(newToken(2, 1, 1, []byte(` `)), 4, 1, 0, 4),
+ withPos(newToken(2, 4, 2, []byte(`-> 2`)), 5, 4, 0, 5),
+ withPos(newToken(3, 1, 1, []byte(` `)), 9, 1, 0, 9),
+ withPos(newToken(3, 6, 2, []byte(`<-`)), 10, 2, 0, 10),
+ withPos(newToken(2, 1, 1, []byte(` `)), 12, 1, 0, 12),
+ withPos(newToken(2, 5, 3, []byte(`<-`)), 13, 2, 0, 13),
+ withPos(newToken(1, 1, 1, []byte(` `)), 15, 1, 0, 15),
+ withPos(newToken(1, 2, 2, []byte(`a`)), 16, 1, 0, 16),
+ withPos(newEOFTokenDefault(), 17, 0, 0, 17),
+ },
+ passiveModeTran: true,
+ tran: func(l *Lexer, tok *Token) error {
+ switch l.spec.ModeName(l.Mode()) {
+ case "default":
+ switch tok.KindID {
+ case 3: // push_1
+ l.PushMode(2)
+ }
+ case "mode_1":
+ switch tok.KindID {
+ case 4: // push_2
+ l.PushMode(3)
+ case 5: // pop_1
+ return l.PopMode()
+ }
+ case "mode_2":
+ switch tok.KindID {
+ case 6: // pop_2
+ return l.PopMode()
+ }
+ }
+ return nil
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntry([]string{"default", "mode_1", "mode_2"}, "white_space", ` *`, "", false),
+ newLexEntry([]string{"default"}, "char", `.`, "", false),
+ newLexEntry([]string{"default"}, "push_1", `-> 1`, "mode_1", false),
+ newLexEntry([]string{"mode_1"}, "push_2", `-> 2`, "", false),
+ newLexEntry([]string{"mode_1"}, "pop_1", `<-`, "", false),
+ newLexEntry([]string{"mode_2"}, "pop_2", `<-`, "", true),
+ },
+ },
+ src: `-> 1 -> 2 <- <- a`,
+ tokens: []*Token{
+ withPos(newToken(1, 3, 3, []byte(`-> 1`)), 0, 4, 0, 0),
+ withPos(newToken(2, 1, 1, []byte(` `)), 4, 1, 0, 4),
+ withPos(newToken(2, 4, 2, []byte(`-> 2`)), 5, 4, 0, 5),
+ withPos(newToken(3, 1, 1, []byte(` `)), 9, 1, 0, 9),
+ withPos(newToken(3, 6, 2, []byte(`<-`)), 10, 2, 0, 10),
+ withPos(newToken(2, 1, 1, []byte(` `)), 12, 1, 0, 12),
+ withPos(newToken(2, 5, 3, []byte(`<-`)), 13, 2, 0, 13),
+ withPos(newToken(1, 1, 1, []byte(` `)), 15, 1, 0, 15),
+ withPos(newToken(1, 2, 2, []byte(`a`)), 16, 1, 0, 16),
+ withPos(newEOFTokenDefault(), 17, 0, 0, 17),
+ },
+ // Active mode transition and an external transition function can be used together.
+ passiveModeTran: false,
+ tran: func(l *Lexer, tok *Token) error {
+ switch l.spec.ModeName(l.Mode()) {
+ case "mode_1":
+ switch tok.KindID {
+ case 4: // push_2
+ l.PushMode(3)
+ case 5: // pop_1
+ return l.PopMode()
+ }
+ }
+ return nil
+ },
+ },
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("dot", spec.EscapePattern(`.`)),
+ newLexEntryDefaultNOP("star", spec.EscapePattern(`*`)),
+ newLexEntryDefaultNOP("plus", spec.EscapePattern(`+`)),
+ newLexEntryDefaultNOP("question", spec.EscapePattern(`?`)),
+ newLexEntryDefaultNOP("vbar", spec.EscapePattern(`|`)),
+ newLexEntryDefaultNOP("lparen", spec.EscapePattern(`(`)),
+ newLexEntryDefaultNOP("rparen", spec.EscapePattern(`)`)),
+ newLexEntryDefaultNOP("lbrace", spec.EscapePattern(`[`)),
+ newLexEntryDefaultNOP("backslash", spec.EscapePattern(`\`)),
+ },
+ },
+ src: `.*+?|()[\`,
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte(`.`)), 0, 1, 0, 0),
+ withPos(newTokenDefault(2, 2, []byte(`*`)), 1, 1, 0, 1),
+ withPos(newTokenDefault(3, 3, []byte(`+`)), 2, 1, 0, 2),
+ withPos(newTokenDefault(4, 4, []byte(`?`)), 3, 1, 0, 3),
+ withPos(newTokenDefault(5, 5, []byte(`|`)), 4, 1, 0, 4),
+ withPos(newTokenDefault(6, 6, []byte(`(`)), 5, 1, 0, 5),
+ withPos(newTokenDefault(7, 7, []byte(`)`)), 6, 1, 0, 6),
+ withPos(newTokenDefault(8, 8, []byte(`[`)), 7, 1, 0, 7),
+ withPos(newTokenDefault(9, 9, []byte(`\`)), 8, 1, 0, 8),
+ withPos(newEOFTokenDefault(), 9, 0, 0, 9),
+ },
+ },
+ // Character properties are available in a bracket expression.
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("letter", `[\p{Letter}]+`),
+ newLexEntryDefaultNOP("non_letter", `[^\p{Letter}]+`),
+ },
+ },
+ src: `foo123`,
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte(`foo`)), 0, 3, 0, 0),
+ withPos(newTokenDefault(2, 2, []byte(`123`)), 3, 3, 0, 3),
+ withPos(newEOFTokenDefault(), 6, 0, 0, 6),
+ },
+ },
+ // The driver can continue lexical analysis even after it detects an invalid token.
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("lower", `[a-z]+`),
+ },
+ },
+ src: `foo123bar`,
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte(`foo`)), 0, 3, 0, 0),
+ withPos(newInvalidTokenDefault([]byte(`123`)), 3, 3, 0, 3),
+ withPos(newTokenDefault(1, 1, []byte(`bar`)), 6, 3, 0, 6),
+ withPos(newEOFTokenDefault(), 9, 0, 0, 9),
+ },
+ },
+ // The driver can detect an invalid token immediately preceding an EOF.
+ {
+ lspec: &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("lower", `[a-z]+`),
+ },
+ },
+ src: `foo123`,
+ tokens: []*Token{
+ withPos(newTokenDefault(1, 1, []byte(`foo`)), 0, 3, 0, 0),
+ withPos(newInvalidTokenDefault([]byte(`123`)), 3, 3, 0, 3),
+ withPos(newEOFTokenDefault(), 6, 0, 0, 6),
+ },
+ },
+ }
+ for i, tt := range test {
+ for compLv := lexical.CompressionLevelMin; compLv <= lexical.CompressionLevelMax; compLv++ {
+ t.Run(fmt.Sprintf("#%v-%v", i, compLv), func(t *testing.T) {
+ clspec, err, cerrs := lexical.Compile(tt.lspec, compLv)
+ if err != nil {
+ for _, cerr := range cerrs {
+ t.Logf("%#v", cerr)
+ }
+ t.Fatalf("unexpected error: %v", err)
+ }
+ opts := []LexerOption{}
+ if tt.passiveModeTran {
+ opts = append(opts, DisableModeTransition())
+ }
+ lexer, err := NewLexer(NewLexSpec(clspec), strings.NewReader(tt.src), opts...)
+ if err != nil {
+ t.Fatalf("unexpected error: %v", err)
+ }
+ for _, eTok := range tt.tokens {
+ tok, err := lexer.Next()
+ if err != nil {
+ t.Log(err)
+ break
+ }
+ testToken(t, eTok, tok)
+
+ if tok.EOF {
+ break
+ }
+
+ if tt.tran != nil {
+ err := tt.tran(lexer, tok)
+ if err != nil {
+ t.Fatalf("unexpected error: %v", err)
+ }
+ }
+ }
+ })
+ }
+ }
+}
+
+func TestLexer_Next_WithPosition(t *testing.T) {
+ lspec := &lexical.LexSpec{
+ Entries: []*lexical.LexEntry{
+ newLexEntryDefaultNOP("newline", `\u{000A}+`),
+ newLexEntryDefaultNOP("any", `.`),
+ },
+ }
+
+ clspec, err, _ := lexical.Compile(lspec, lexical.CompressionLevelMax)
+ if err != nil {
+ t.Fatalf("unexpected error: %v", err)
+ }
+
+ src := string([]byte{
+ 0x00,
+ 0x7F,
+ 0x0A,
+
+ 0xC2, 0x80,
+ 0xDF, 0xBF,
+ 0x0A,
+
+ 0xE0, 0xA0, 0x80,
+ 0xE0, 0xBF, 0xBF,
+ 0xE1, 0x80, 0x80,
+ 0xEC, 0xBF, 0xBF,
+ 0xED, 0x80, 0x80,
+ 0xED, 0x9F, 0xBF,
+ 0xEE, 0x80, 0x80,
+ 0xEF, 0xBF, 0xBF,
+ 0x0A,
+
+ 0xF0, 0x90, 0x80, 0x80,
+ 0xF0, 0xBF, 0xBF, 0xBF,
+ 0xF1, 0x80, 0x80, 0x80,
+ 0xF3, 0xBF, 0xBF, 0xBF,
+ 0xF4, 0x80, 0x80, 0x80,
+ 0xF4, 0x8F, 0xBF, 0xBF,
+ 0x0A,
+ 0x0A,
+ 0x0A,
+ })
+
+ expected := []*Token{
+ withPos(newTokenDefault(2, 2, []byte{0x00}), 0, 1, 0, 0),
+ withPos(newTokenDefault(2, 2, []byte{0x7F}), 1, 1, 0, 1),
+ withPos(newTokenDefault(1, 1, []byte{0x0A}), 2, 1, 0, 2),
+
+ withPos(newTokenDefault(2, 2, []byte{0xC2, 0x80}), 3, 2, 1, 0),
+ withPos(newTokenDefault(2, 2, []byte{0xDF, 0xBF}), 5, 2, 1, 1),
+ withPos(newTokenDefault(1, 1, []byte{0x0A}), 7, 1, 1, 2),
+
+ withPos(newTokenDefault(2, 2, []byte{0xE0, 0xA0, 0x80}), 8, 3, 2, 0),
+ withPos(newTokenDefault(2, 2, []byte{0xE0, 0xBF, 0xBF}), 11, 3, 2, 1),
+ withPos(newTokenDefault(2, 2, []byte{0xE1, 0x80, 0x80}), 14, 3, 2, 2),
+ withPos(newTokenDefault(2, 2, []byte{0xEC, 0xBF, 0xBF}), 17, 3, 2, 3),
+ withPos(newTokenDefault(2, 2, []byte{0xED, 0x80, 0x80}), 20, 3, 2, 4),
+ withPos(newTokenDefault(2, 2, []byte{0xED, 0x9F, 0xBF}), 23, 3, 2, 5),
+ withPos(newTokenDefault(2, 2, []byte{0xEE, 0x80, 0x80}), 26, 3, 2, 6),
+ withPos(newTokenDefault(2, 2, []byte{0xEF, 0xBF, 0xBF}), 29, 3, 2, 7),
+ withPos(newTokenDefault(1, 1, []byte{0x0A}), 32, 1, 2, 8),
+
+ withPos(newTokenDefault(2, 2, []byte{0xF0, 0x90, 0x80, 0x80}), 33, 4, 3, 0),
+ withPos(newTokenDefault(2, 2, []byte{0xF0, 0xBF, 0xBF, 0xBF}), 37, 4, 3, 1),
+ withPos(newTokenDefault(2, 2, []byte{0xF1, 0x80, 0x80, 0x80}), 41, 4, 3, 2),
+ withPos(newTokenDefault(2, 2, []byte{0xF3, 0xBF, 0xBF, 0xBF}), 45, 4, 3, 3),
+ withPos(newTokenDefault(2, 2, []byte{0xF4, 0x80, 0x80, 0x80}), 49, 4, 3, 4),
+ withPos(newTokenDefault(2, 2, []byte{0xF4, 0x8F, 0xBF, 0xBF}), 53, 4, 3, 5),
+ // When a token contains multiple line breaks, the driver sets the token position to
+ // the line number where a lexeme first appears.
+ withPos(newTokenDefault(1, 1, []byte{0x0A, 0x0A, 0x0A}), 57, 3, 3, 6),
+
+ withPos(newEOFTokenDefault(), 60, 0, 6, 0),
+ }
+
+ lexer, err := NewLexer(NewLexSpec(clspec), strings.NewReader(src))
+ if err != nil {
+ t.Fatalf("unexpected error: %v", err)
+ }
+
+ for _, eTok := range expected {
+ tok, err := lexer.Next()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ testToken(t, eTok, tok)
+
+ if tok.EOF {
+ break
+ }
+ }
+}
+
+func testToken(t *testing.T, expected, actual *Token) {
+ t.Helper()
+
+ if actual.ModeID != expected.ModeID ||
+ actual.KindID != expected.KindID ||
+ actual.ModeKindID != expected.ModeKindID ||
+ !bytes.Equal(actual.Lexeme, expected.Lexeme) ||
+ actual.EOF != expected.EOF ||
+ actual.Invalid != expected.Invalid {
+ t.Fatalf(`unexpected token; want: %+v, got: %+v`, expected, actual)
+ }
+
+ if actual.BytePos != expected.BytePos || actual.ByteLen != expected.ByteLen ||
+ actual.Row != expected.Row || actual.Col != expected.Col {
+ t.Fatalf(`unexpected token; want: %+v, got: %+v`, expected, actual)
+ }
+}
generated by cgit v1.2.3 (git 2.49.0) at 2025-07-06 10:48:24 +0000