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|
lex
ignore /space+/
literal '*', '(' ni, ni ')', '!', ';'
token id /[a-zA-Z_0-9]+/
end
lex
ignore /space+/
token inner_t /[a-zA-Z_0-9]+/
literal ''
end
def inner
['' inner_t*]
def item
[id]
| ['(' inner ')']
def start
[item* ';']
parse StartP: start[ stdin ]
Start: start = StartP.tree
if ( ! Start ) {
print( 'parse error\n' )
exit( 0 )
}
for I: item in Start {
print( 'item: .' %I '.\n' )
if match I [ O: '(' Inner: inner C: ')' ]
print( 'innr: .' %O '.' %Inner '.' %C '.\n' )
}
|
