110 lines
3.0 KiB
Markdown
110 lines
3.0 KiB
Markdown
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## ml
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is a small lisp interpreter based on Adam McDaniel's wisp interpreter (https://github.com/adam-mcdaniel/wisp). It's main purpose is to learn something about more recent c++
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### Example of use
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```
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cat <<EOT > /tmp/qs.lsp
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(defn qs (l)
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(if (<= (len l) 1)
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l
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(do
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(def pivot (first l))
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(+
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(qs (filter (lambda (n) (> pivot n)) l))
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(list pivot)
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(qs (tail (filter (lambda (n) (<= pivot n)) l)))
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))
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))
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(print (qs '(10 9 8 7 6 5 4 3 2 10)))
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EOT
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ml -f /tmp/qs.lsp
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```
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or
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```
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ml -f tests/test.lsp
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```
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#### Interactive mode
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```
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ml
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```
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#### Documentation
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see /doc/Doc.md
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#### Dependencies
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- libssl-dev
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#### Compile
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```
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mkdir -p build
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gcc -std=c99 -c -O2 -o linenoise.o clib/linenoise.c
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c++ -c -O2 -I/usr/local/opt/openssl/include -Iclib --std=c++17 ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp ml_util.cpp ml_profiler.cpp ml_usql.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/printf.cpp usql/exception.cpp usql/lexer.cpp usql/parser.cpp usql/usql.cpp usql/table.cpp usql/table.h usql/row.cpp usql/csvreader.cpp usql/usql.cpp usql/usql_ddl.cpp usql/usql_dml.cpp usql/settings.cpp
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// on linux c++ -o build/ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl *.o
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c++ -o build/ml -O2 -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl -Wl,-stack_size -Wl,0x1000000 *.o
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```
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or use
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```
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cmake .
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make
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```
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#### Install
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```
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cp build/ml /usr/local/bin/ml
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cp stdlib/*.lsp /usr/local/var/mlisp/
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cp doc/*.md /usr/local/var/mlisp/
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```
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or
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```
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utils/local_install.sh
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```
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### KNOWNN BUGS
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- (read-url "https://api.nasdaq.com/api/calendar/dividends/") ; hangs in sslclient.cpp line 132
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### TODO
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- add test for >>> (range 1.5 (inc 5.5)) => (1.500000 2.500000 3.500000 4.500000 5.500000)
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- ml_utils.cpp add all commands into const std::vector<std::string> commands
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- unify -f and -run options
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- add debug support, at least call stack
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- multiline editing (see kilocpp editor)
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- execute system command should capture stderr
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- add mem stats to benchmark
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- order of arguments in functions like member and filter - filter swap lambda and list
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- better output of !e in repl (resp !e !ee)
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#### Doc
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- string-case, make-csv fix doc
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- add functions from stdlib into doc
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- doc for set!
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#### Code
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- tcpnet should use RAII
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- add more unit test, especially for usql
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- add instrumentation (time, nr of evals, num of atoms, debug info, debug environment etc)
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#### Language
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- string functions
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- compare - needed for sorting, cmp ignore case
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- regexp match, regexp tokens
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#### Performance
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- push_back - repeatedly without reserving size
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- mini_sprintf - unnecesary copying between vector and list
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- (do, scope, cond ..) repeatedly assign to acc
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### Links
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https://github.com/adam-mcdaniel/wisp
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https://github.com/dropbox/json11
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https://github.com/antirez/linenoise
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#### read stdout and stderr from popen
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https://stackoverflow.com/questions/478898how-do-i-execute-a-command-and-get-the-output-of-the-command-within-c-using-po |