50 lines
1.7 KiB
Plaintext
50 lines
1.7 KiB
Plaintext
# Parsodus - A language agnostic parser generator
|
|
# Copyright © 2016-2017 Thomas Avé, Robin Jadoul, Kobe Wullaert
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining
|
|
# a copy of this software and associated documentation files (the "Software"),
|
|
# to deal in the Software without restriction, including without limitation
|
|
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
# and/or sell copies of the Software, and to permit persons to whom the
|
|
# Software is furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included
|
|
# in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
|
|
# OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
parser: SLR(1)
|
|
lexesis: bfLexer.lxs
|
|
terminals:
|
|
"PLUS"
|
|
"MINUS"
|
|
"GREATER"
|
|
"LESS"
|
|
"POINT"
|
|
"COMMA"
|
|
"LBRACKET"
|
|
"RBRACKET"
|
|
precedence:
|
|
left
|
|
nonassoc
|
|
right
|
|
start: <program>
|
|
grammar:
|
|
<program> ::= <instruction> <program> [PROGRAM]
|
|
| [EMPTY]
|
|
;
|
|
<instruction> ::= "PLUS" [OPERATION]
|
|
| "MINUS" [OPERATION]
|
|
| "GREATER" [OPERATION]
|
|
| "LESS" [OPERATION]
|
|
| "POINT" [OPERATION]
|
|
| "COMMA" [OPERATION]
|
|
| "LBRACKET" <program> "RBRACKET" [LOOP]
|
|
;
|