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# Generated by re2py
# re2py $INPUT -o $OUTPUT
def lex_simple(yyinput):
yycursor = 0
yymarker = 0
yylimit = len(yyinput) - 1
yystate = 0
while True:
match yystate:
case 0:
if yylimit <= yycursor:
yystate = 7
continue
yych = yyinput[yycursor]
yycursor += 1
if yych <= 0x60:
yystate = 1
continue
if yych <= 0x61:
yystate = 3
continue
if yych <= 0x62:
yystate = 4
continue
if yych <= 0x63:
yystate = 5
continue
yystate = 1
continue
case 1:
yystate = 2
continue
case 2:
return 1
case 3:
if yylimit <= yycursor:
yystate = 8
continue
return 3
case 4:
return 4
case 5:
yymarker = yycursor
if yylimit <= yycursor:
yystate = 9
continue
yych = yyinput[yycursor]
if yych != 0x63:
yystate = 2
continue
yycursor += 1
yystate = 6
continue
case 6:
if yylimit <= yycursor:
yystate = 9
continue
yych = yyinput[yycursor]
if yych == 0x63:
yycursor += 1
yystate = 6
continue
yycursor = yymarker
yystate = 2
continue
case 7:
return 0
case 8:
return 2
case 9:
return 5
case _:
raise "internal lexer error"
def lex_eof(yyinput):
yycursor = 0
yymarker = 0
yylimit = len(yyinput) - 1
yystate = 0
while True:
match yystate:
case 0:
yych = yyinput[yycursor]
if yych <= 0x61:
if yych <= 0x00:
if yylimit <= yycursor:
if False:
yystate = 0
continue
yystate = 8
continue
yycursor += 1
yystate = 1
continue
if yych >= 0x61:
yycursor += 1
yystate = 3
continue
yycursor += 1
yystate = 1
continue
else:
if yych <= 0x62:
yycursor += 1
yystate = 4
continue
if yych <= 0x63:
yycursor += 1
yystate = 5
continue
yycursor += 1
yystate = 1
continue
case 1:
yystate = 2
continue
case 2:
return 1
case 3:
if yycursor == yylimit:
yystate = 9
continue
return 3
case 4:
return 4
case 5:
yymarker = yycursor
yych = yyinput[yycursor]
if yych <= 0x00:
if yylimit <= yycursor:
if False:
yystate = 5
continue
yystate = 10
continue
yystate = 2
continue
if yych != 0x63:
yystate = 2
continue
yycursor += 1
yystate = 6
continue
case 6:
yych = yyinput[yycursor]
if yych <= 0x00:
if yylimit <= yycursor:
if False:
yystate = 6
continue
yystate = 10
continue
yystate = 7
continue
if yych == 0x63:
yycursor += 1
yystate = 6
continue
yystate = 7
continue
case 7:
yycursor = yymarker
yystate = 2
continue
case 8:
return 0
case 9:
return 2
case 10:
return 5
case _:
raise "internal lexer error"
YYMAXFILL = 2
def lex_scc(str):
yyinput = str + (b"\0" * YYMAXFILL)
yycursor = 0
yylimit = len(yyinput)
end = len(str) - 1
yystate = 0
while True:
match yystate:
case 0:
if yycursor == end:
yystate = 7
continue
if (yylimit - yycursor) < 2:
return -1
yych = yyinput[yycursor]
yycursor += 1
if yych <= 0x60:
yystate = 1
continue
if yych <= 0x61:
yystate = 3
continue
if yych <= 0x62:
yystate = 4
continue
if yych <= 0x63:
yystate = 5
continue
yystate = 1
continue
case 1:
yystate = 2
continue
case 2:
return 1
case 3:
if yycursor == end:
yystate = 8
continue
return 3
case 4:
return 4
case 5:
yymarker = yycursor
if yycursor == end:
yystate = 9
continue
yych = yyinput[yycursor]
if yych != 0x63:
yystate = 2
continue
yycursor += 1
yystate = 6
continue
case 6:
if yycursor == end:
yystate = 9
continue
if yylimit <= yycursor:
return -1
yych = yyinput[yycursor]
if yych == 0x63:
yycursor += 1
yystate = 6
continue
yycursor = yymarker
yystate = 2
continue
case 7:
return 0
case 8:
return 2
case 9:
return 5
case _:
raise "internal lexer error"
def test(str, ret):
if lex_simple(str) != ret: raise "error simple"
if lex_eof(str) != ret: raise "error eof" + lex_eof(str) + ret
if lex_scc(str) != ret: raise "error scc"
test(b"\0", 0)
test(b"a\0", 2)
test(b"ax\0", 3)
test(b"b\0", 4)
test(b"bx\0", 4)
test(b"ccc\0", 5)
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