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|
##### LM #####
lex
ignore /space+/
literal `* `! `;
literal `( -ni ni- `)
token id /[a-zA-Z_0-9]+/
end
lex
ignore /space+/
token inner_t /[a-zA-Z_0-9]+/
token empty -
end
def inner
[empty inner_t*]
def item
[id]
| [`( inner `)]
def start
[item* `;]
parse Start: start[ stdin ]
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' )
}
##### IN #####
a b c ( d ) e ( ) f g;
##### EXP #####
item: .a .
item: .b .
item: .c .
item: .( d ) .
innr: .(. d .) .
item: .e .
item: .( ) .
innr: .(. .) .
item: .f .
item: .g.
|
