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# Token names.
lex start
{
token number /[0-9]+/
token id /[a-z]+/
token string /'"' [^"]* '"'/
ignore ws / [ \t\n]+ /
}
def prefix [id]
def choice1
[number number]
| [number]
def choice2
[string id]
| [number number]
| [id number]
| [number]
token EOF /ws+/
def start
[prefix choice1 choice2 string id id EOF]
cons I: parser<start> []
I << " id "
I << " 77 "
I << " 88 "
I << " \"hello\" "
I << " dude "
I << " dude\n"
S: start = I.finish()
S = match S
~id 77 88 "hello" dude dude
print_xml( S )
|
