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|
##### LM #####
namespace hash
lex
literal `define `include
token NL /'\n'/ -ni
token id /[a-zA-Z_][a-zA-Z_0-9]*/
token number /[0-9]+/
token string /'"' ( [^"\\] | '\\' any )* '"'/
ignore /[ \t]+/
end
def hash
[`define id number NL]
| [`include string NL]
end # hash
namespace lang
lex
ignore /space+/
literal `* `( `) `; `#
token id /[a-zA-Z_][a-zA-Z_0-9]*/
token number /[0-9]+/
end
def item
[id]
| [`( item* `)]
def statement
[item* `;]
| [`# hash::hash]
def start
[statement*]
end # lang
parse Input: lang::start[ stdin ]
if ! Input
print( error '\n' )
else {
#print( Input.tree '\n' )
for H: lang::statement in Input {
require H [ lang::`# hash::hash ]
print( '--' H '==\n' )
}
}
##### IN #####
hello;
#include "input1"
#include "input2"
#include "input3"
there;
##### EXP #####
--#include "input1"
==
--
#include "input2"
==
--
#include "input3"
==
|
