varlisp

a lisp syntax like mini interpreter

based no these Library:

cpp-linenoise
boost::variant
boost::asio (http-get url)
gumbo-parser
gumbo-query (gumbo-query content query-string)
posix regex
sarrow104/ss1x
sarrow104/sss

extra builin-function list:

arithmetic

(+ ...) -> number
(- arg ...) -> number
(* ...) -> number
(/ arg ...) -> number
(% arg ...) -> number
(power arg1 arg2) -> number

bitop

(& int1 int2 ...) -> int64_t
(| int1 int2 ...) -> int64_t
(>> int64_t shift) -> int64_t
(<< int64_t shift) -> int64_t
(~ int64_t) -> int64_t
(^ int1 int2 ...) -> int64_t

logic

(= obj1 obj2) -> #t | #f
(!= obj1 obj2) -> #t | #f
(> obj1 obj2) -> #t | #f
(< obj1 obj2) -> #t | #f
(>= obj1 obj2) -> #t | #f
(<= obj1 obj2) -> #t | #f
(not expr) -> !#t | !#f
(equal '(list1) '(list2)) -> #t | #f

defer

(defer (expr)) -> nil

encoding

(uchardet "content") -> "utf8"
(pychardet "content") -> "utf8"
(ivchardet "encodings" "content") -> "utf8"
(iconv "enc-from" "enc-to" "content") -> "converted-out"
(ensure-utf8 "content") -> "utf8-content"

errno

(errno) -> int64_t
(strerr) -> string

eval

(eval '(...)) -> ...

file

(read-all "path/to/file") -> string
(write content "path/to/file")
(write-append content "path/to/file")
(open "path" flag) -> file_descriptor | nil
(getfdflag fd) -> flag | nil
(setfdflag fd flag) -> errno
(close file_descriptor) -> errno
(read-line file_descriptor) -> string | nill
(read-char file_descriptor) -> int64_t | nill
(write-char file_descriptor int64_t) -> int64_t | nill
(write-string file_descriptor string) -> int64_t | nill
(list-opened-fd) -> [(fd name)...] | []

string

(split "string-to-be-split")
(split "string-to-be-split" "sepeator-char")
(join (content list))
(join (content list) "sepeator-string")
(substr-byte "target-string" offset)
(substr-byte "target-string" offset length) -> sub-str
(substr "target-string" offset)
(substr "target-string" offset length)
(ltrim "target-string") -> "left-trimed-string"
(rtrim "target-string") -> "right-trimed-string"
(trim "target-string") -> "bothsides-trimed-string"
(strlen "target-string") -> length
(strlen-byte "target-string") -> length
(split-char "target-string") -> '(int64_t-char1 int64_t-char2 ...)
(join-char '(int64_t-char1 int64_t-char2 ...)) -> "string"
(byte-nth int64_nth "string" -> int64_t)
(char-nth int64_nth "string" -> int64_t)
(strstr "source" "needle") -> offset-int | nil
(is-begin-with "source" "needle") -> boolean
(is-end-with "source" "needle") -> boolean

http

(http-timeout) -> cur-timeout-in-seconds
(http-timeout new-timeout-in-seconds) -> old-timeout-in-seconds
(http-debug) -> cur-http-debug-status
(http-debug new-http-debug-status) -> old-http-debug-status
(http-get "url") -> [<html>, {response}]
(http-get "url" {request_header}) -> [<html>, {response}]
(http-get "url" "proxy-url" proxy-port-number) -> [<html>, {response}]
(http-get "url" "proxy-url" proxy-port-number {request_header}) -> [<html>, {response}]
(http-post "url" content) -> [<html>, {response}]
(http-post "url" content {request_header}) -> [<html>, {response}]
(http-post "url" content "proxy-url" proxy-port-number) -> [<html>, {response}]
(http-post "url" content "proxy-url" proxy-port-number {request_header}) -> [<html>, {response}]

html-gumbo

(gumbo "\<html\>") -> gumboNode
(gumbo "\<html\>" "query-string") -> '(gumboNode)
(gumbo-query gumboNode "selector-string") -> '(gumboNodes)
(gumbo-query "html-file-content" "gumbo-query-string")
(gumbo-children gumboNode) -> '(gumboNodes)
(gqnode-indent) -> "current-indent"
(gqnode-indent "new-indent") -> "new-accept-indent"
(gqnode-attr gumboNode "attrib-name") -> "attrib-value" | nil
(gqnode-hasAttr gumboNode "attrib-name") -> #t | #f
(gqnode-valid gumboNode) -> boolean
(gqnode-isText gumboNode) -> boolean
(gqnode-text gumboNode) -> "text"
(gqnode-textNeat gumboNode) -> "text"
(gqnode-ownText gumboNode) -> "text"
(gqnode-tag gumboNode) -> "text"
(gqnode-innerHtml gumboNode) -> "text"
(gqnode-outerHtml gumboNode) -> "text"
(gumbo-query-text "<html>" "selector-string")
(gumbo-original-rewrite) -> boolean
(gumbo-original-rewrite boolean) -> boolean
(gumbo-rewrite int-fd '(gq-node) "") -> nil
(gumbo-rewrite int-fd {request_header} '(gq-node) "") -> nil
(gumbo-rewrite [int-fd proxy-domain proxy-port] '(gq-node) "") -> nil
(gumbo-rewrite [int-fd proxy-domain proxy-port] {request_header} '(gq-node) "") -> nil

interpreter

(quit) -> #t
(it-debug #t|#f) -> nil
(colog-format CL_ELEMENT) -> current-format-mask

list

(car (list item1 item2 ...)) -> item1
(cdr '(list item1 item2 ...)) -> '(item2 item3 ...) ...
(cons 1 (cons 2 '())) -> '(1 2)
(length '(list)) -> quote-list-length
(empty? '(list)) -> boolean
(append '(list1) '(list2)) -> '(list1 list2)
(flat '(list...)) -> '(list...)
(slice '(list) begin end)
(slice '(list) begin end step)
(range begin end)
(range begin end step)
(find item '(list)) -> index | nil
(find item '(list) operation) -> index | nil

load

(load "path/to/lisp") -> nil
(save "path/to/lisp") -> item-count
(clear) -> item-count

regex

(regex "regex-string") -> regex-obj
(regex-match reg-obj "target-string") -> boolean
(regex-search reg-obj "target-string") -> (list sub0, sub1 ...)
(regex-search reg-obj "target-string" offset-in-number) -> (list sub0, sub1 ...)
(regex-replace reg-obj "target-string") -> string
(regex-replace reg-obj "target-string" "format-string") -> string
(regex-replace reg-obj "target-string" functor) -> string
(regex-split sep-reg "target-string")
(regex-collect reg "target-string")
(regex-collect reg "target-string" "fmt-string")

path

(path-fnamemodify "path/string" "path modifier") -> "modified-fname"
(path-append part1 part2) -> part1/part2
(glob "paht/to/explorer") -> '("fname1", "fname2", ...)
(glob-recurse "paht/to/explorer" "fname-filter" depth) -> '("fname1", "fname2", ...)
(file? "path/to/file") -> boolean
(directory? "path/to/directory") -> boolean
(expand "$var-path") -> "expand-path"

print fmt

(io-print "fmt" ...)
(io-print-ln "fmt\n" ...)
(io-fmt "fmt-str" arg1 arg2 ... argn) -> "fmt-out"
(format stream-fd "fmt-str" arg1 arg2 ... argn) -> ...
(fmt-escape "normal-string-may-have-curly-bracket") -> "scaped-string"

shell

(shell "") -> '(stdout, stderr)
(shell "" arg1 arg2 arg3) -> '(stdout, stderr)
(shell-cd "path/to/go") -> "new-work-dir"
(system "") -> return-code
(system "" arg1 arg2 arg3) -> return-code
(shell-mkdir "path/to/make") -> "full/path" | nil
(shell-pwd) -> "current-working-dir"
(shell-env) -> {(kev \"value\")...}
(shell-env key) -> "value-string" | nil ...

sort

(sort func '(list)) -> '(sorted-list)
(sort! func '(list)) -> nil # NOTE in-place sort

time

(time-elapsed expr) -> result-of-expr
(date) -> [year month day]
(date-time) -> [year month day HH MM SS]
(date-time seconds-since-Epoch) -> [year month day HH MM SS]
(date-time-nano) -> [year month day HH MM SS nano]
(time-format \"fmt\" '()) -> string
(time-strparse \"27 December 2016, at 13:17\" \"%d %h %Y, at %H:%M\") -> '(time-list)
(time expr) -> result-of-expr

type

(typeid type) -> id
(number? type) -> #t | #f ...
(null? nil) -> #t
(cast lexical-value var) -> type-of-lexical-value

help

(help symbol) -> nil
(get-help symbol) -> string

variable

(undef symbol) -> boolean
(ifdef symbol) -> boolean
(var-list) -> int64_t
(let ((symbol expr)...) (expr)...) -> result-of-last-expr
(letn ((symbol expr)...) (expr)...) -> result-of-last-expr
(set 'quote-symbal expr) -> value-of-expr
(setq symbol1 expr1 symbol2 expr2 ... ) -> value-of-last-expr
(setf "varname" expr) -> nil
(swap var1 var2) -> nil
(locate {}-or-[]-value '(string-or-int...)) -> sub-value
(symbols) -> [current-symbol-list]]
(symbols {}-name) -> [target-{}-symbol-list]

map,reduce,filter

(map func list-1 list-2 ... list-n) -> '(func(l1[1] l2[1] ... ln[1]) func(l1[2] l2[2] ... ln[2]) ... func(l1[n] l2[n] ... ln[n]))
(reduce func list) -> func(func(func(l[1] l[2]) l[3]) ... l[n-1]) l[n])
(filter func list) -> (sigma list[i] where (func list[i]) == #t)
(transform func list) -> '(func(car-nth i list) ... )

json

(json-print obj boolean) -> nil
(json-string obj boolean) -> nil
(json-indent) -> "current-json-indent-setting"
(json-indent "string") -> "json-indent-setting"
(apply func '(args...))

lambda

(call? symbol) -> boolean
(signature func-symbol) -> [min, max, "help_msg"] | nil
(curry func var...) -> (lambda ($1) (apply func '($1 var...)))
(partial func var... $1...) -> (lambda ($1...) (apply f '(var... $...)))

min,max

(min [obj1 obj2...]) -> the-minimum-element
(min obj1 obj2...) -> the-minimum-element
(max [obj1 obj2...]) -> the-maximum-element
(max obj1 obj2...) -> the-maximum-element

encrypt

(en-base64 "string") -> "enc"
(de-base64 "string") -> "decode"
(en-gzip "string") -> "enc"
(de-gzip "string") -> "dec"
(deflate "string") -> "dec"
(inflate "string") -> "dec"

digest

(digest-sha1-file "path/to/file") -> "sha1-string" | nil
(digest-hex-string "bytes-content-to-hex") -> "hex-string"

exception

(catch expr (value1)...) -> result-of-expr | exception-value
(catch expr (value1 on_except_type1)...) -> result-of-expr | result-of-on_value_handle-on-exception-value
(throw value) -> nil
(std-exception expr) -> result-of-expr

mime type

(mime-file "path-to-file") -> mime-type-string
(mime-buffer "string-buffer-to-detect") -> mime-type-string

url util

(url-split "url-string") -> '(protocal domain port path {parameters})
(url-join '(protocal domain port path {parameters})) -> "url-string"
(url-full target-string mapping-url) -> "full-url-string"
(url-encode "string") -> "encoded-string"
(url-decode "encoded-string") -> "string"

loop

for
- (for (var s-list) expr...) -> result-of-last-expr
- (for (var ini-value end-value) expr...) ->result-of-last-expr
- (for (var ini-value end-value step) expr...) -> result-of-last-expr
- (for ((v1 a1 v2 a2...) condition (iterate-expr)) expr...) -> result-of-last-expr
(begin expr...) -> result-of-last-expr
(silent expr...) -> result-of-last-expr
(tie ('var-list...) [list...])

cookie

(cookie-enable boolean) -> boolean
(cookie-enable?) -> boolean
(cookie-get-value "domain" "path") -> "cookie-value" | nil
(cookie-set-value "domain" "path" "cookie") -> boolean

sample output

> (regex-collect (regex "[0-9]+") "123 abc 1645 798a8709801")
("123" "1645" "798" "8709801")

> (regex-split (regex "[a-zA-Z ]+") "123 abc 1645 798a8709801")
("123" "1645" "798" "8709801")

just a toy

new feature

2016-11-17 支持命令行启动程序；回显控制，启动脚步控制；
2016-11-10 内置 gumbo-node 类型，以支援更丰富的 html 信息抽取
debug模式用內建函数开关debug模式，以便查看解释器动作流程。
2016-11-25 http-get支持301,302自动跳转；支持通过proxy下载https资源。
2016-11-09 支持map,reduce,filter算法
2016-11-10 內建gumbo-node，将gumbo-query算法内置；
2016-11-29 內建帮助系统；命令(help symbol)即可显示內建函数，以及自定义函数的帮助信息。

TODO

...

Name		Name	Last commit message	Last commit date
Latest commit History 720 Commits
src		src
tests		tests
.gitignore		.gitignore
CMakeLists.txt		CMakeLists.txt
Makefile		Makefile
README.md		README.md
html2md.py		html2md.py
main-omegaOption.cpp		main-omegaOption.cpp
main.cpp		main.cpp

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varlisp

based no these Library:

extra builin-function list:

arithmetic

bitop

logic

defer

encoding

errno

eval

file

string

http

html-gumbo

interpreter

list

load

regex

path

print fmt

shell

sort

time

type

help

variable

map,reduce,filter

json

lambda

min,max

encrypt

digest

exception

mime type

url util

loop

cookie

sample output

new feature

TODO

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