191 lines
7.5 KiB
Plaintext
Executable File
191 lines
7.5 KiB
Plaintext
Executable File
#!/usr/bin/env moon
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-- This file contains the command-line Nomsu runner.
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if NOMSU_VERSION and NOMSU_PREFIX
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package.path = "#{NOMSU_PREFIX}/share/nomsu/#{NOMSU_VERSION}/?.lua;"..package.path
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package.cpath = "#{NOMSU_PREFIX}/lib/nomsu/#{NOMSU_VERSION}/?.so;"..package.cpath
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EXIT_SUCCESS, EXIT_FAILURE = 0, 1
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if _VERSION == "Lua 5.1" and not jit
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-- Cannot run on Lua5.1 because it doesn't have gotos.
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print("Sorry, Nomsu does not run on Lua 5.1. Please use LuaJIT 2+ or Lua 5.2+")
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os.exit(EXIT_FAILURE)
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usage = [=[
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Nomsu Compiler
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Usage: (nomsu | lua nomsu.lua | moon nomsu.moon) [-V version] [--help | -h] [--version] [-O optimization level] [-v] [-c] [-s] [-d debugger] [--no-core] [(file | -t tool | -e "nomsu code..." | files... -- ) [nomsu args...]]
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OPTIONS
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-t <tool> Run a tool.
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-e Execute the specified string.
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-O <level> Run the compiler with the given optimization level (>0: use precompiled .lua versions of Nomsu files, when available).
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-v Verbose: print compiled lua code.
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-c Compile the input files into a .lua files.
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-s Check the input files for syntax errors.
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-d <debugger> Attempt to use the specified debugger to wrap the main body of execution.
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-h/--help Print this message.
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--version Print the version number and exit.
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--no-core Skip loading the Nomsu core by default.
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-V specify which Nomsu version is desired.
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<file> The Nomsu file to run (can be "-" to use stdin).
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]=]
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ok, _ = pcall ->
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export lpeg, re
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lpeg = require 'lpeg'
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re = require 're'
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if not ok
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print("Error: unable to find the 'lpeg' Lua module. Please install LPEG either from http://www.inf.puc-rio.br/~roberto/lpeg/re.html or, if you use luarocks: `luarocks install lpeg`")
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os.exit(EXIT_FAILURE)
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Files = require "files"
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Errhand = require "error_handling"
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{:NomsuCode, :LuaCode, :Source} = require "code_obj"
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{:List, :Dict, :Text} = require 'containers'
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sep = "\3"
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parser = re.compile([[
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args <- {| (flag %sep)*
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{:files: {|
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( ("-m" %sep)? (!("--" %sep) file)* ("--" %sep)
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/ file
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/ {~ '' %sep? -> 'nomsu://tools/repl.nom' ~}) |} :}
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{:nomsu_args: {| (nomsu_flag %sep)* {:extras: {| ({[^%sep]+} %sep)* |} :} |} :}
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|} !.
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file <-
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( "-e" %sep ({[^%sep]+} -> spoof) %sep
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/ "-t" %sep {~ {[^%sep]+} -> "nomsu://tools/%1.nom" ~} %sep
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/ {[^%sep]+} %sep)
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flag <- longflag / shortflag / "-" shortboolflag+
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longflag <-
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{:help: "--help" %true :}
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/ {:version: "--version" %true :}
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/ {:no_core: "--no-core" %true :}
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shortflag <-
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{:optimization: "-O" %sep? %number :}
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/ {:debugger: ("-d" %sep? {[^%sep]+}) :}
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/ {:requested_version: "-V" %sep? {([0-9.])+} :}
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shortboolflag <-
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{:check_syntax: "s" %true:}
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/ {:compile: "c" %true:}
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/ {:verbose: "v" %true :}
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/ {:help: "h" %true :}
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nomsu_flag <- nomsu_longflag / "-" nomsu_shortboolflag+
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nomsu_shortboolflag <- {| {:key: [a-zA-Z] :} {:value: %true :} |}
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nomsu_longflag <- '--' {| {:key: [^%sep=]+ :} {:value: ('=' {[^%sep]+}) / %true :} |}
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]], {
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true:lpeg.Cc(true), number:lpeg.R("09")^1/tonumber, sep:lpeg.P(sep),
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spoof: Files.spoof
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})
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arg_string = table.concat(arg, sep)..sep
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args = parser\match(arg_string)
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if not args or args.help
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print usage
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os.exit(EXIT_FAILURE)
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nomsu_args = Dict{}
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for argpair in *args.nomsu_args
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nomsu_args[argpair.key] = argpair.value
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nomsu_args.extras = List(args.nomsu_args.extras or {})
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optimization = tonumber(args.optimization or 1)
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nomsupath = {}
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if NOMSU_VERSION and NOMSU_PREFIX
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if optimization > 0
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table.insert nomsupath, "#{NOMSU_PREFIX}/share/nomsu/#{NOMSU_VERSION}/?.lua"
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table.insert nomsupath, "#{NOMSU_PREFIX}/share/nomsu/#{NOMSU_VERSION}/?/init.lua"
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table.insert nomsupath, "#{NOMSU_PREFIX}/share/nomsu/#{NOMSU_VERSION}/?.nom"
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table.insert nomsupath, "#{NOMSU_PREFIX}/share/nomsu/#{NOMSU_VERSION}/?/init.nom"
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if NOMSU_PACKAGEPATH
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if optimization > 0
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table.insert nomsupath, "#{NOMSU_PACKAGEPATH}/nomsu/?.lua"
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table.insert nomsupath, "#{NOMSU_PACKAGEPATH}/nomsu/?/init.lua"
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table.insert nomsupath, "#{NOMSU_PACKAGEPATH}/nomsu/?.nom"
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table.insert nomsupath, "#{NOMSU_PACKAGEPATH}/nomsu/?/init.nom"
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if optimization > 0
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table.insert nomsupath, "./?.lua"
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table.insert nomsupath, "./?/init.lua"
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table.insert nomsupath, "./?.nom"
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table.insert nomsupath, "./?/init.nom"
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package.nomsupath = table.concat(nomsupath, ";")
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nomsu_environment = require('nomsu_environment')
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nomsu_environment.COMMAND_LINE_ARGS = nomsu_args
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nomsu_environment.OPTIMIZATION = optimization
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nomsu_environment.NOMSU_PACKAGEPATH = NOMSU_PACKAGEPATH
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nomsu_environment.NOMSU_PREFIX = NOMSU_PREFIX
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run = ->
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unless args.no_core
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nomsu_environment\export("core")
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if args.version
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nomsu_environment\run("say (Nomsu version)")
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os.exit(EXIT_SUCCESS)
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input_files = {}
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if args.files
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for f in *args.files
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if nomsu_name = f\match("^nomsu://(.*)%.nom")
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path, err = package.searchpath(nomsu_name, package.nomsupath, "/")
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if not path then error(err)
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table.insert input_files, path
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else
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table.insert input_files, f
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for filename in *input_files
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if args.check_syntax
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-- Check syntax
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code = Files.read(filename)
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source = Source(filename, 1, #code)
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nomsu_environment._1_parsed(NomsuCode\from(source, code))
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print("Parse succeeded: #{filename}")
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elseif args.compile
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-- Compile .nom files into .lua
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output = if filename == 'stdin' then io.output()
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else io.open(filename\gsub("%.nom$", ".lua"), "w")
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code = Files.read(filename)
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source = Source(filename, 1, #code)
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code = NomsuCode\from(source, code)
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tree = nomsu_environment._1_parsed(code)
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tree = {tree} unless tree.type == 'FileChunks'
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for chunk_no, chunk in ipairs tree
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lua = nomsu_environment\compile(chunk)
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lua\declare_locals!
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lua\prepend((chunk_no > 1) and '\n' or '', "-- File #{filename} chunk ##{chunk_no}\n")
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if args.verbose then print(lua\text!)
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nomsu_environment\run(chunk)
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output\write(lua\text!, "\n")
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print ("Compiled %-25s -> %s")\format(filename, filename\gsub("%.nom$", ".lua"))
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output\close!
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elseif args.verbose
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code = Files.read(filename)
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source = Source(filename, 1, #code)
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code = NomsuCode\from(source, code)
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tree = nomsu_environment._1_parsed(code)
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tree = {tree} unless tree.type == 'FileChunks'
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for chunk_no, chunk in ipairs tree
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lua = nomsu_environment\compile(chunk)
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lua\declare_locals!
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lua\prepend((chunk_no > 1) and '\n' or '', "-- File #{filename} chunk ##{chunk_no}\n")
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print(lua\text!)
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nomsu_environment\run(lua)
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else
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-- Just run the file
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f = Files.read(filename)
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if filename\match("%.lua$")
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f = LuaCode\from(Source(filename, 1, #f), f)
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nomsu_environment\run(f)
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--nomsu_environment.run_file_1_in(filename, nomsu_environment, 0)
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debugger = if args.debugger == "nil" then {}
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else require(args.debugger or 'error_handling')
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guard = if type(debugger) == 'function' then debugger
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else debugger.guard or debugger.call or debugger.wrap or debugger.run or ((fn)->fn())
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guard(run)
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