add uahgi-ng
This commit is contained in:
parent
943fb6565d
commit
4c117df0c5
8 changed files with 855 additions and 0 deletions
679
uahgi-ng/a.txt
Normal file
679
uahgi-ng/a.txt
Normal file
|
@ -0,0 +1,679 @@
|
|||
0 g1038660 = (g1038661)
|
||||
1 g1038661 = (u-program EOF)
|
||||
2 u-program = ()
|
||||
3 u-program = (u-expr u-program)
|
||||
4 u-expr = (u-series)
|
||||
5 u-expr = (u-atom)
|
||||
6 u-expr = (u-converting-num)
|
||||
7 u-expr = (L_PAREN u-sexps R_PAREN)
|
||||
8 u-sexps = ()
|
||||
9 u-sexps = (u-expr u-sexps)
|
||||
10 u-series-unit = (ID)
|
||||
11 u-series-unit = (u-string)
|
||||
12 u-series-unit = (NUM)
|
||||
13 u-series-unit = (L_PAREN u-sexps R_PAREN)
|
||||
14 u-series-unit = (newlines)
|
||||
15 u-series = ()
|
||||
16 u-series = (u-series-unit u-series)
|
||||
17 u-converting-num = (NUM_CONVERTER ID)
|
||||
18 u-converting-num = (NUM_CONVERTER NUM)
|
||||
19 u-atom = (ID)
|
||||
20 u-atom = (u-string)
|
||||
21 u-atom = (NUM)
|
||||
22 u-atom = (newlines)
|
||||
23 u-string = (CHAR)
|
||||
24 u-string = (u-string CHAR)
|
||||
25 newlines = (NEWLINE)
|
||||
26 newlines = (NEWLINE newlines)
|
||||
State 0
|
||||
g1038660 -> . g1038661
|
||||
|
||||
begin conflict:
|
||||
NEWLINE shift 15
|
||||
NEWLINE reduce 15
|
||||
end conflict
|
||||
g1038661 goto 1
|
||||
u-atom goto 7
|
||||
begin conflict:
|
||||
CHAR shift 12
|
||||
CHAR reduce 15
|
||||
end conflict
|
||||
u-converting-num goto 6
|
||||
begin conflict:
|
||||
EOF reduce 15
|
||||
EOF reduce 2
|
||||
end conflict
|
||||
u-string goto 8
|
||||
u-program goto 2
|
||||
u-series-unit goto 4
|
||||
u-expr goto 3
|
||||
newlines goto 9
|
||||
u-series goto 5
|
||||
begin conflict:
|
||||
NUM shift 14
|
||||
NUM reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID shift 13
|
||||
ID reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN shift 10
|
||||
L_PAREN reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER shift 11
|
||||
NUM_CONVERTER reduce 15
|
||||
end conflict
|
||||
|
||||
State 1
|
||||
g1038660 -> g1038661 .
|
||||
|
||||
|
||||
State 2
|
||||
g1038661 -> u-program . EOF
|
||||
|
||||
EOF accept
|
||||
|
||||
State 3
|
||||
u-program -> u-expr . u-program
|
||||
|
||||
begin conflict:
|
||||
NEWLINE shift 15
|
||||
NEWLINE reduce 15
|
||||
end conflict
|
||||
u-atom goto 7
|
||||
begin conflict:
|
||||
CHAR shift 12
|
||||
CHAR reduce 15
|
||||
end conflict
|
||||
u-converting-num goto 6
|
||||
begin conflict:
|
||||
EOF reduce 15
|
||||
EOF reduce 2
|
||||
end conflict
|
||||
u-string goto 8
|
||||
u-program goto 17
|
||||
u-series-unit goto 4
|
||||
u-expr goto 3
|
||||
newlines goto 9
|
||||
u-series goto 5
|
||||
begin conflict:
|
||||
NUM shift 14
|
||||
NUM reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID shift 13
|
||||
ID reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN shift 10
|
||||
L_PAREN reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER shift 11
|
||||
NUM_CONVERTER reduce 15
|
||||
end conflict
|
||||
|
||||
State 4
|
||||
u-series -> u-series-unit . u-series
|
||||
|
||||
begin conflict:
|
||||
NEWLINE shift 15
|
||||
NEWLINE reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
CHAR shift 12
|
||||
CHAR reduce 15
|
||||
end conflict
|
||||
R_PAREN reduce 15
|
||||
EOF reduce 15
|
||||
u-string goto 19
|
||||
u-series-unit goto 4
|
||||
newlines goto 20
|
||||
u-series goto 18
|
||||
begin conflict:
|
||||
NUM shift 23
|
||||
NUM reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID shift 22
|
||||
ID reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN shift 21
|
||||
L_PAREN reduce 15
|
||||
end conflict
|
||||
NUM_CONVERTER reduce 15
|
||||
|
||||
State 5
|
||||
u-expr -> u-series .
|
||||
|
||||
EOF reduce 4
|
||||
NEWLINE reduce 4
|
||||
CHAR reduce 4
|
||||
NUM reduce 4
|
||||
R_PAREN reduce 4
|
||||
L_PAREN reduce 4
|
||||
ID reduce 4
|
||||
NUM_CONVERTER reduce 4
|
||||
|
||||
State 6
|
||||
u-expr -> u-converting-num .
|
||||
|
||||
EOF reduce 6
|
||||
NEWLINE reduce 6
|
||||
CHAR reduce 6
|
||||
NUM reduce 6
|
||||
R_PAREN reduce 6
|
||||
L_PAREN reduce 6
|
||||
ID reduce 6
|
||||
NUM_CONVERTER reduce 6
|
||||
|
||||
State 7
|
||||
u-expr -> u-atom .
|
||||
|
||||
EOF reduce 5
|
||||
NEWLINE reduce 5
|
||||
CHAR reduce 5
|
||||
NUM reduce 5
|
||||
R_PAREN reduce 5
|
||||
L_PAREN reduce 5
|
||||
ID reduce 5
|
||||
NUM_CONVERTER reduce 5
|
||||
|
||||
State 8
|
||||
u-series-unit -> u-string .
|
||||
u-atom -> u-string .
|
||||
u-string -> u-string . CHAR
|
||||
|
||||
begin conflict:
|
||||
EOF reduce 11
|
||||
EOF reduce 20
|
||||
end conflict
|
||||
begin conflict:
|
||||
NEWLINE reduce 11
|
||||
NEWLINE reduce 20
|
||||
end conflict
|
||||
begin conflict:
|
||||
CHAR shift 24
|
||||
CHAR reduce 11
|
||||
CHAR reduce 20
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM reduce 11
|
||||
NUM reduce 20
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 11
|
||||
R_PAREN reduce 20
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN reduce 11
|
||||
L_PAREN reduce 20
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID reduce 11
|
||||
ID reduce 20
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER reduce 11
|
||||
NUM_CONVERTER reduce 20
|
||||
end conflict
|
||||
|
||||
State 9
|
||||
u-series-unit -> newlines .
|
||||
u-atom -> newlines .
|
||||
|
||||
begin conflict:
|
||||
EOF reduce 14
|
||||
EOF reduce 22
|
||||
end conflict
|
||||
begin conflict:
|
||||
NEWLINE reduce 14
|
||||
NEWLINE reduce 22
|
||||
end conflict
|
||||
begin conflict:
|
||||
CHAR reduce 14
|
||||
CHAR reduce 22
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM reduce 14
|
||||
NUM reduce 22
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 14
|
||||
R_PAREN reduce 22
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN reduce 14
|
||||
L_PAREN reduce 22
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID reduce 14
|
||||
ID reduce 22
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER reduce 14
|
||||
NUM_CONVERTER reduce 22
|
||||
end conflict
|
||||
|
||||
State 10
|
||||
u-expr -> L_PAREN . u-sexps R_PAREN
|
||||
u-series-unit -> L_PAREN . u-sexps R_PAREN
|
||||
|
||||
begin conflict:
|
||||
NEWLINE shift 15
|
||||
NEWLINE reduce 15
|
||||
end conflict
|
||||
u-atom goto 7
|
||||
begin conflict:
|
||||
CHAR shift 12
|
||||
CHAR reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 15
|
||||
R_PAREN reduce 8
|
||||
end conflict
|
||||
u-sexps goto 26
|
||||
u-converting-num goto 6
|
||||
u-string goto 8
|
||||
u-series-unit goto 4
|
||||
u-expr goto 25
|
||||
newlines goto 9
|
||||
u-series goto 5
|
||||
begin conflict:
|
||||
NUM shift 14
|
||||
NUM reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID shift 13
|
||||
ID reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN shift 10
|
||||
L_PAREN reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER shift 11
|
||||
NUM_CONVERTER reduce 15
|
||||
end conflict
|
||||
|
||||
State 11
|
||||
u-converting-num -> NUM_CONVERTER . ID
|
||||
u-converting-num -> NUM_CONVERTER . NUM
|
||||
|
||||
NUM shift 28
|
||||
ID shift 27
|
||||
|
||||
State 12
|
||||
u-string -> CHAR .
|
||||
|
||||
EOF reduce 23
|
||||
NEWLINE reduce 23
|
||||
CHAR reduce 23
|
||||
NUM reduce 23
|
||||
R_PAREN reduce 23
|
||||
L_PAREN reduce 23
|
||||
ID reduce 23
|
||||
NUM_CONVERTER reduce 23
|
||||
|
||||
State 13
|
||||
u-series-unit -> ID .
|
||||
u-atom -> ID .
|
||||
|
||||
begin conflict:
|
||||
EOF reduce 10
|
||||
EOF reduce 19
|
||||
end conflict
|
||||
begin conflict:
|
||||
NEWLINE reduce 10
|
||||
NEWLINE reduce 19
|
||||
end conflict
|
||||
begin conflict:
|
||||
CHAR reduce 10
|
||||
CHAR reduce 19
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM reduce 10
|
||||
NUM reduce 19
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 10
|
||||
R_PAREN reduce 19
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN reduce 10
|
||||
L_PAREN reduce 19
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID reduce 10
|
||||
ID reduce 19
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER reduce 10
|
||||
NUM_CONVERTER reduce 19
|
||||
end conflict
|
||||
|
||||
State 14
|
||||
u-series-unit -> NUM .
|
||||
u-atom -> NUM .
|
||||
|
||||
begin conflict:
|
||||
EOF reduce 12
|
||||
EOF reduce 21
|
||||
end conflict
|
||||
begin conflict:
|
||||
NEWLINE reduce 12
|
||||
NEWLINE reduce 21
|
||||
end conflict
|
||||
begin conflict:
|
||||
CHAR reduce 12
|
||||
CHAR reduce 21
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM reduce 12
|
||||
NUM reduce 21
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 12
|
||||
R_PAREN reduce 21
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN reduce 12
|
||||
L_PAREN reduce 21
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID reduce 12
|
||||
ID reduce 21
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER reduce 12
|
||||
NUM_CONVERTER reduce 21
|
||||
end conflict
|
||||
|
||||
State 15
|
||||
newlines -> NEWLINE .
|
||||
newlines -> NEWLINE . newlines
|
||||
|
||||
begin conflict:
|
||||
NEWLINE shift 15
|
||||
NEWLINE reduce 25
|
||||
end conflict
|
||||
CHAR reduce 25
|
||||
R_PAREN reduce 25
|
||||
EOF reduce 25
|
||||
NUM reduce 25
|
||||
newlines goto 29
|
||||
ID reduce 25
|
||||
L_PAREN reduce 25
|
||||
NUM_CONVERTER reduce 25
|
||||
|
||||
State 16
|
||||
g1038661 -> u-program EOF .
|
||||
|
||||
|
||||
State 17
|
||||
u-program -> u-expr u-program .
|
||||
|
||||
EOF reduce 3
|
||||
|
||||
State 18
|
||||
u-series -> u-series-unit u-series .
|
||||
|
||||
EOF reduce 16
|
||||
NEWLINE reduce 16
|
||||
CHAR reduce 16
|
||||
NUM reduce 16
|
||||
R_PAREN reduce 16
|
||||
L_PAREN reduce 16
|
||||
ID reduce 16
|
||||
NUM_CONVERTER reduce 16
|
||||
|
||||
State 19
|
||||
u-series-unit -> u-string .
|
||||
u-string -> u-string . CHAR
|
||||
|
||||
EOF reduce 11
|
||||
NEWLINE reduce 11
|
||||
begin conflict:
|
||||
CHAR shift 24
|
||||
CHAR reduce 11
|
||||
end conflict
|
||||
NUM reduce 11
|
||||
R_PAREN reduce 11
|
||||
L_PAREN reduce 11
|
||||
ID reduce 11
|
||||
NUM_CONVERTER reduce 11
|
||||
|
||||
State 20
|
||||
u-series-unit -> newlines .
|
||||
|
||||
EOF reduce 14
|
||||
NEWLINE reduce 14
|
||||
CHAR reduce 14
|
||||
NUM reduce 14
|
||||
R_PAREN reduce 14
|
||||
L_PAREN reduce 14
|
||||
ID reduce 14
|
||||
NUM_CONVERTER reduce 14
|
||||
|
||||
State 21
|
||||
u-series-unit -> L_PAREN . u-sexps R_PAREN
|
||||
|
||||
begin conflict:
|
||||
NEWLINE shift 15
|
||||
NEWLINE reduce 15
|
||||
end conflict
|
||||
u-atom goto 7
|
||||
begin conflict:
|
||||
CHAR shift 12
|
||||
CHAR reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 15
|
||||
R_PAREN reduce 8
|
||||
end conflict
|
||||
u-sexps goto 30
|
||||
u-converting-num goto 6
|
||||
u-string goto 8
|
||||
u-series-unit goto 4
|
||||
u-expr goto 25
|
||||
newlines goto 9
|
||||
u-series goto 5
|
||||
begin conflict:
|
||||
NUM shift 14
|
||||
NUM reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID shift 13
|
||||
ID reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN shift 10
|
||||
L_PAREN reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER shift 11
|
||||
NUM_CONVERTER reduce 15
|
||||
end conflict
|
||||
|
||||
State 22
|
||||
u-series-unit -> ID .
|
||||
|
||||
EOF reduce 10
|
||||
NEWLINE reduce 10
|
||||
CHAR reduce 10
|
||||
NUM reduce 10
|
||||
R_PAREN reduce 10
|
||||
L_PAREN reduce 10
|
||||
ID reduce 10
|
||||
NUM_CONVERTER reduce 10
|
||||
|
||||
State 23
|
||||
u-series-unit -> NUM .
|
||||
|
||||
EOF reduce 12
|
||||
NEWLINE reduce 12
|
||||
CHAR reduce 12
|
||||
NUM reduce 12
|
||||
R_PAREN reduce 12
|
||||
L_PAREN reduce 12
|
||||
ID reduce 12
|
||||
NUM_CONVERTER reduce 12
|
||||
|
||||
State 24
|
||||
u-string -> u-string CHAR .
|
||||
|
||||
EOF reduce 24
|
||||
NEWLINE reduce 24
|
||||
CHAR reduce 24
|
||||
NUM reduce 24
|
||||
R_PAREN reduce 24
|
||||
L_PAREN reduce 24
|
||||
ID reduce 24
|
||||
NUM_CONVERTER reduce 24
|
||||
|
||||
State 25
|
||||
u-sexps -> u-expr . u-sexps
|
||||
|
||||
begin conflict:
|
||||
NEWLINE shift 15
|
||||
NEWLINE reduce 15
|
||||
end conflict
|
||||
u-atom goto 7
|
||||
begin conflict:
|
||||
CHAR shift 12
|
||||
CHAR reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 15
|
||||
R_PAREN reduce 8
|
||||
end conflict
|
||||
u-sexps goto 31
|
||||
u-converting-num goto 6
|
||||
u-string goto 8
|
||||
u-series-unit goto 4
|
||||
u-expr goto 25
|
||||
newlines goto 9
|
||||
u-series goto 5
|
||||
begin conflict:
|
||||
NUM shift 14
|
||||
NUM reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID shift 13
|
||||
ID reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN shift 10
|
||||
L_PAREN reduce 15
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER shift 11
|
||||
NUM_CONVERTER reduce 15
|
||||
end conflict
|
||||
|
||||
State 26
|
||||
u-expr -> L_PAREN u-sexps . R_PAREN
|
||||
u-series-unit -> L_PAREN u-sexps . R_PAREN
|
||||
|
||||
R_PAREN shift 32
|
||||
|
||||
State 27
|
||||
u-converting-num -> NUM_CONVERTER ID .
|
||||
|
||||
EOF reduce 17
|
||||
NEWLINE reduce 17
|
||||
CHAR reduce 17
|
||||
NUM reduce 17
|
||||
R_PAREN reduce 17
|
||||
L_PAREN reduce 17
|
||||
ID reduce 17
|
||||
NUM_CONVERTER reduce 17
|
||||
|
||||
State 28
|
||||
u-converting-num -> NUM_CONVERTER NUM .
|
||||
|
||||
EOF reduce 18
|
||||
NEWLINE reduce 18
|
||||
CHAR reduce 18
|
||||
NUM reduce 18
|
||||
R_PAREN reduce 18
|
||||
L_PAREN reduce 18
|
||||
ID reduce 18
|
||||
NUM_CONVERTER reduce 18
|
||||
|
||||
State 29
|
||||
newlines -> NEWLINE newlines .
|
||||
|
||||
EOF reduce 26
|
||||
NEWLINE reduce 26
|
||||
CHAR reduce 26
|
||||
NUM reduce 26
|
||||
R_PAREN reduce 26
|
||||
L_PAREN reduce 26
|
||||
ID reduce 26
|
||||
NUM_CONVERTER reduce 26
|
||||
|
||||
State 30
|
||||
u-series-unit -> L_PAREN u-sexps . R_PAREN
|
||||
|
||||
R_PAREN shift 33
|
||||
|
||||
State 31
|
||||
u-sexps -> u-expr u-sexps .
|
||||
|
||||
R_PAREN reduce 9
|
||||
|
||||
State 32
|
||||
u-expr -> L_PAREN u-sexps R_PAREN .
|
||||
u-series-unit -> L_PAREN u-sexps R_PAREN .
|
||||
|
||||
begin conflict:
|
||||
EOF reduce 7
|
||||
EOF reduce 13
|
||||
end conflict
|
||||
begin conflict:
|
||||
NEWLINE reduce 7
|
||||
NEWLINE reduce 13
|
||||
end conflict
|
||||
begin conflict:
|
||||
CHAR reduce 7
|
||||
CHAR reduce 13
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM reduce 7
|
||||
NUM reduce 13
|
||||
end conflict
|
||||
begin conflict:
|
||||
R_PAREN reduce 7
|
||||
R_PAREN reduce 13
|
||||
end conflict
|
||||
begin conflict:
|
||||
L_PAREN reduce 7
|
||||
L_PAREN reduce 13
|
||||
end conflict
|
||||
begin conflict:
|
||||
ID reduce 7
|
||||
ID reduce 13
|
||||
end conflict
|
||||
begin conflict:
|
||||
NUM_CONVERTER reduce 7
|
||||
NUM_CONVERTER reduce 13
|
||||
end conflict
|
||||
|
||||
State 33
|
||||
u-series-unit -> L_PAREN u-sexps R_PAREN .
|
||||
|
||||
EOF reduce 13
|
||||
NEWLINE reduce 13
|
||||
CHAR reduce 13
|
||||
NUM reduce 13
|
||||
R_PAREN reduce 13
|
||||
L_PAREN reduce 13
|
||||
ID reduce 13
|
||||
NUM_CONVERTER reduce 13
|
||||
|
||||
38 shift/reduce conflicts
|
||||
45 reduce/reduce conflicts
|
3
uahgi-ng/expander.rkt
Normal file
3
uahgi-ng/expander.rkt
Normal file
|
@ -0,0 +1,3 @@
|
|||
(module uahgi-ng racket/base
|
||||
(provide lambda quote add1 begin #%module-begin #%app #%datum #%expression #%top)
|
||||
)
|
48
uahgi-ng/lexer.rkt
Normal file
48
uahgi-ng/lexer.rkt
Normal file
|
@ -0,0 +1,48 @@
|
|||
#lang racket
|
||||
(require parser-tools/lex)
|
||||
(require parser-tools/lex-sre)
|
||||
|
||||
|
||||
|
||||
(define-empty-tokens unary-tokens (L_PAREN R_PAREN NUM_CONVERTER SEPERATOR EOF))
|
||||
(define-tokens value-tokens ( CHAR ID NUM NEWLINE))
|
||||
|
||||
|
||||
(define-lex-abbrev digits (+ (char-set "0123456789")))
|
||||
(define-lex-abbrev raw-id (: (or "_" (/ "a" "z") (/ "A" "Z")) (* (or "_" (/ "0" "9") (/ "a" "z") (/ "A" "Z")))))
|
||||
(define-lex-abbrev any-other-char (~ (char-set "0123456789@\\{}%|")))
|
||||
|
||||
(define uahgi2-lexer
|
||||
(lexer-src-pos
|
||||
["\n" (token-NEWLINE lexeme)] ; newline
|
||||
[whitespace (token-CHAR lexeme)] ; whitespace
|
||||
[(: "\\"(char-set "@\\{}%|")) (token-CHAR (substring lexeme
|
||||
1 (string-length lexeme)))]
|
||||
[(: "@" raw-id) (token-ID (string->symbol(substring lexeme
|
||||
1 (string-length lexeme))))] ; @id
|
||||
["{" (token-L_PAREN)] ; {
|
||||
["}" (token-R_PAREN)] ; }
|
||||
["|" (token-SEPERATOR)] ; | seperator
|
||||
["`" (token-NUM_CONVERTER)] ; ` convert to number
|
||||
[digits (token-NUM (string->number lexeme))] ;123
|
||||
[(: (? (char-set "-")) digits "." digits) ; 123.456
|
||||
(token-NUM (string->number lexeme))]
|
||||
[ (: "%" (complement (: any-string "%" any-string)) "%") ; %COMMENT%
|
||||
(return-without-pos (uahgi2-lexer input-port))]
|
||||
[(eof) (token-EOF)]
|
||||
[any-other-char (token-CHAR lexeme)] ; any char into char
|
||||
))
|
||||
|
||||
|
||||
|
||||
|
||||
(define (looping-lex str)
|
||||
(define in (open-input-string str))
|
||||
(port-count-lines! in)
|
||||
(let loop ([v (uahgi2-lexer in)])
|
||||
(cond [(void? (position-token-token v)) (loop (uahgi2-lexer in))]
|
||||
[(eq? 'EOF (position-token-token v)) '()]
|
||||
[else (cons v (loop (uahgi2-lexer in)))])))
|
||||
|
||||
|
||||
(provide uahgi2-lexer unary-tokens value-tokens looping-lex)
|
12
uahgi-ng/main.rkt
Normal file
12
uahgi-ng/main.rkt
Normal file
|
@ -0,0 +1,12 @@
|
|||
#lang racket/base
|
||||
(require "parser.rkt" "tokenizer.rkt")
|
||||
(require syntax/strip-context)
|
||||
|
||||
(define (read-syntax path port)
|
||||
(define parse-tree (parse-tkns (make-tokenizer port path)))
|
||||
(strip-context
|
||||
#`(module uahgi-ng-mod uahgi-ng/expander
|
||||
#,parse-tree)))
|
||||
|
||||
(module+ reader
|
||||
(provide read-syntax))
|
86
uahgi-ng/parser.rkt
Normal file
86
uahgi-ng/parser.rkt
Normal file
|
@ -0,0 +1,86 @@
|
|||
#lang racket
|
||||
(require megaparsack megaparsack/text)
|
||||
(require uahgi-ng/lexer)
|
||||
(require megaparsack/parser-tools/lex)
|
||||
(require data/monad)
|
||||
(require data/applicative)
|
||||
|
||||
(define newline/p (token/p 'NEWLINE))
|
||||
(define num/p (do
|
||||
[num <- (token/p 'NUM)]
|
||||
(pure (number->string num))))
|
||||
(define char/p (token/p 'CHAR))
|
||||
(define id/p (token/p 'ID))
|
||||
(define num-converter/p (token/p 'NUM_CONVERTER))
|
||||
|
||||
(define string/p
|
||||
(do
|
||||
[chars <- (many+/p char/p)]
|
||||
(pure (foldr string-append "" chars))))
|
||||
|
||||
(define atom/p (or/p
|
||||
num/p
|
||||
string/p
|
||||
id/p))
|
||||
|
||||
(define converting-num/p
|
||||
(do
|
||||
(token/p 'NUM_CONVERTER)
|
||||
[num <- num/p]
|
||||
(pure (string->number num))))
|
||||
|
||||
|
||||
(define sexp-elem/p
|
||||
(delay/p (or/p expr/p
|
||||
series/p)))
|
||||
|
||||
|
||||
(define sexp/p
|
||||
(do
|
||||
(token/p 'L_PAREN)
|
||||
[args <- (many/p sexp-elem/p #:sep (token/p 'SEPERATOR))]
|
||||
(token/p 'R_PAREN)
|
||||
(pure (list* args))))
|
||||
|
||||
(define expr/p
|
||||
(or/p atom/p
|
||||
converting-num/p
|
||||
sexp/p))
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
(define series-elem/p
|
||||
(or/p newline/p
|
||||
num/p
|
||||
string/p
|
||||
id/p
|
||||
sexp/p))
|
||||
|
||||
(define series/p
|
||||
(do [args <- (many/p series-elem/p #:min 2)]
|
||||
(pure (list 'text-series args))))
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
(define prog/p
|
||||
(syntax/p
|
||||
(do
|
||||
(many/p (token/p 'NEWLINE))
|
||||
[lines <- (many/p expr/p #:sep (many/p(token/p 'NEWLINE)))]
|
||||
(many/p (token/p 'NEWLINE))
|
||||
(pure `(begin ,@lines)))))
|
||||
|
||||
(define (parse-tkns tokens)
|
||||
(parse-result! (parse-tokens prog/p tokens)))
|
||||
|
||||
(define (parse-string str)
|
||||
(parse-tkns (looping-lex str)))
|
||||
|
||||
(provide parse-tkns parse-string)
|
16
uahgi-ng/parser.txt
Normal file
16
uahgi-ng/parser.txt
Normal file
|
@ -0,0 +1,16 @@
|
|||
#lang brag
|
||||
u-program: [/NEWLINE+] (u-expr [/NEWLINE+])*
|
||||
u-expr:
|
||||
; u-series ; string series
|
||||
| u-atom
|
||||
| u-converting-num
|
||||
| u-sexp
|
||||
u-sexp:
|
||||
/L_PAREN u-expr (/SEPERATOR u-expr)* /R_PAREN
|
||||
u-series: (u-atom | u-sexp)+
|
||||
~~~u-converting-num: /NUM_CONVERTER (u-id | u-number)
|
||||
~~~u-atom: u-id | u-string | u-number | (NEWLINE+)
|
||||
~~~u-number: INTEGER | DECIMAL
|
||||
u-id: ID
|
||||
@u-string: u-char+
|
||||
@u-char: CHAR | " "
|
2
uahgi-ng/test.ug
Normal file
2
uahgi-ng/test.ug
Normal file
|
@ -0,0 +1,2 @@
|
|||
#lang uahgi-ng
|
||||
{@add1|`3}
|
9
uahgi-ng/tokenizer.rkt
Normal file
9
uahgi-ng/tokenizer.rkt
Normal file
|
@ -0,0 +1,9 @@
|
|||
#lang racket/base
|
||||
(require "lexer.rkt" parser-tools/lex racket/port)
|
||||
|
||||
(define (make-tokenizer ip [path #f])
|
||||
(port-count-lines! ip)
|
||||
(file-path path)
|
||||
(looping-lex (port->string ip)))
|
||||
|
||||
(provide make-tokenizer)
|
Loading…
Reference in a new issue