func GetPoints(character string) uint {
switch character {
case "e", "a", "i", "o", "n", "r", "t", "l", "s", "u":
return 1
case "d", "g":
return 2
case "b", "c", "m", "p":
return 3
case "f", "h", "v", "w", "y":
return 4
case "k":
return 5
case "j", "x":
return 8
case "q", "z":
return 10
}
cgreader.Tracef("Error, unknown Character: %s", character)
return 0
}
func RecursiveParser(command *Command) {
for ; streamIsValid && currentStreamIndex < len(rawProgramStream); currentStreamIndex++ {
characterCounter++
switch rawProgramStream[currentStreamIndex] {
case PI:
command.add(&Command{func([]*Command) {
programIndex++
}, nil})
case PD:
command.add(&Command{func([]*Command) {
programIndex--
}, nil})
case VI:
command.add(&Command{func([]*Command) {
programBuffer[programIndex]++
}, nil})
case VD:
command.add(&Command{func([]*Command) {
programBuffer[programIndex]--
}, nil})
case IN:
command.add(&Command{func([]*Command) {
if inputIsAvailable {
if len(programInput) == 0 {
programInput = []byte(<-inputChannel)
}
if len(programInput) > 0 {
programBuffer[programIndex] = brainfuck_t(programInput[0])
programInput = programInput[1:]
} else {
programBuffer[programIndex] = EOF
}
} else {
programBuffer[programIndex] = EOF
}
}, nil})
case NOUT:
command.add(&Command{func([]*Command) {
if outputIsAvailable {
outputChannel <- fmt.Sprintf("%d", programBuffer[programIndex])
}
}, nil})
case COUT:
command.add(&Command{func([]*Command) {
if outputIsAvailable {
outputChannel <- fmt.Sprintf("%s", string(programBuffer[programIndex]))
}
}, nil})
case START:
startLoopCounter++
currentStreamIndex++
loop := CreateLoopGroup()
RecursiveParser(loop)
command.add(loop)
case STOP:
if stopLoopCounter > startLoopCounter {
ErrorTextParseError("Parsed filed, encountered \"]\" while expecting ><+-,.#[", lineCounter, characterCounter)
streamIsValid = false
}
stopLoopCounter++
return
case LF, CR:
lineCounter, characterCounter = lineCounter+1, 0
case TRACE:
command.add(&Command{func([]*Command) {
cgreader.Tracef("[%d] = %d\n", programIndex, programBuffer[programIndex])
}, nil})
}
}
}