min.nim
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import std/[streams, strutils, sequtils, times, os, logging] import minpkg/core/[niftylogger, baseutils, env, parser, value, scope, interpreter, stdlib, shell, utils, mmm] import minpkg/lib/[ min_lang ] export env, parser, interpreter, utils, value, shell, scope, stdlib, min_lang, niftylogger var NIMOPTIONS* = "" var MINMODULES* = newSeq[string](0) var MMM*: MinModuleManager if logging.getHandlers().len == 0: newNiftyLogger().addHandler() proc interpret*(i: In, s: Stream) = i.stdLib() i.open(s, i.filename) discard i.parser.getToken() try: i.interpret() except CatchableError: discard i.close() proc minFile*(fn: string, op = "interpret", main = true): seq[ string] {.discardable.} proc compile*(i: In, s: Stream, main = true): seq[string] = if "nim".findExe == "": logging.error "Nim compiler not found, unable to compile." quit(7) result = newSeq[string](0) i.open(s, i.filename) discard i.parser.getToken() try: MINCOMPILED = true let dotindex = i.filename.rfind(".") let nimFile = i.filename[0..dotindex-1] & ".nim" if main: logging.notice("Generating $#..." % nimFile) result = i.initCompiledFile(MINMODULES) for m in MINMODULES: let f = m.replace("\\", "/") result.add "### $#" % f logging.notice("- Including: $#" % f) result = result.concat(minFile(f, "compile", main = false)) result.add "### $# (main)" % i.filename result = result.concat(i.compileFile(main)) writeFile(nimFile, result.join("\n")) let cmd = "nim c $#$#" % [NIMOPTIONS&" ", nimFile] logging.notice("Calling Nim compiler:") logging.notice(cmd) discard execShellCmd(cmd) else: result = result.concat(i.compileFile(main)) except CatchableError: discard i.close() proc minStream(s: Stream, filename: string, op = "interpret", main = true): seq[ string] {.discardable.} = var i = newMinInterpreter(filename = filename) i.pwd = filename.parentDirEx if op == "interpret": i.interpret(s) newSeq[string](0) else: i.compile(s, main) proc minStr*(buffer: string) = minStream(newStringStream(buffer), "input") proc minFile*(fn: string, op = "interpret", main = true): seq[ string] {.discardable.} = var fileLines = newSeq[string](0) var contents = "" try: fileLines = fn.readFile().splitLines() except CatchableError: logging.fatal("Cannot read from file: " & fn) quit(3) if fileLines[0].len >= 2 and fileLines[0][0..1] == "#!": contents = ";;\n" & fileLines[1..fileLines.len-1].join("\n") else: contents = fileLines.join("\n") minStream(newStringStream(contents), fn, op, main) when isMainModule: import terminal, parseopt, minpkg/core/meta var REPL = false var MODULEPATH = "" proc resolveFile(file: string): string = if (file.endsWith(".min") or file.endsWith(".mn")) and fileExists(file): return file elif fileExists(file&".min"): return file&".min" elif fileExists(file&".mn"): return file&".mn" return "" let usage* = """ $exe v$version - a small but practical concatenative programming language (c) 2014-$year Fabio Cevasco Usage: $exe [options] [filename | command] [...comamand-arguments] Arguments: filename A $exe file to interpret or compile command A command to execute Commands: compile <file>.min Compile <file>.min. eval <string> Evaluate <string> as a min program. help <symbol|sigil> Print the help contents related to <symbol|sigil>. Options: -a, --asset-path Specify a directory containing the asset files to include in the compiled executable (if -c is set) -d, --dev Enable "development mode" (runtime checks) -h, --help Print this help -i, --interactive Start $exe shell (with advanced prompt, default if no file specidied)" -j, --interactive-simple Start $exe shell (without advanced prompt) -l, --log Set log level (debug|info|notice|warn|error|fatal) Default: notice -m, --module-path Specify a directory containing the .min files to include in the compiled executable (if -c is set) -n, --passN Pass options to the nim compiler (if -c is set) -p, --prelude:<file.min> If specified, it loads <file.min> instead of the default prelude code -r, --registry:<url> If specified, uses the specified url as MMM registry -v, —-version Print the program version""" % [ "exe", pkgName, "version", pkgVersion, "year", $(now().year) ] var file = "" var args = newSeq[string](0) logging.setLogFilter(logging.lvlNotice) var p = initOptParser() for kind, key, val in getopt(p): case kind: of cmdArgument: args.add key if file == "": file = key of cmdLongOption, cmdShortOption: case key: of "module-path", "m": MODULEPATH = val of "asset-path", "a": ASSETPATH = val of "prelude", "p": customPrelude = val of "dev", "d": DEV = true of "log", "l": if file == "": var val = val niftylogger.setLogLevel(val) of "passN", "n": NIMOPTIONS = val of "help", "h": if file == "": echo usage quit(0) of "version", "v": if file == "": echo pkgVersion quit(0) of "interactive", "i": if file == "": REPL = true of "interactive-simple", "j": if file == "": SIMPLEREPL = true of "registry", "r": MMMREGISTRY = val else: discard else: discard var op = "interpret" if MODULEPATH.len > 0: for f in walkDirRec(MODULEPATH): if f.endsWith(".min"): MINMODULES.add f elif REPL: minRepl() quit(0) if file != "": var fn = resolveFile(file) if fn == "": if file == "compile": op = "compile" if args.len < 2: logging.error "[compile] No file was specified." quit(8) fn = resolveFile(args[1]) if fn == "": logging.error "[compile] File '$#' does not exist." % [args[1]] quit(9) elif file == "eval": if args.len < 2: logging.error "[eval] No string to evaluate was specified." quit(9) minStr args[1] quit(0) elif file == "help": if args.len < 2: logging.error "[help] No symbol to lookup was specified." quit(9) minStr("\"$#\" help" % [args[1]]) quit(0) elif file == "install": MMM.init() logging.error "[install] Not implemented." quit(100) elif file == "remote": logging.error "[install] Not implemented." quit(100) elif file == "update": logging.error "[install] Not implemented." quit(100) elif file == "info": logging.error "[install] Not implemented." quit(100) elif file == "search": logging.error "[install] Not implemented." quit(100) minFile fn, op elif SIMPLEREPL: minSimpleRepl() quit(0) else: if isatty(stdin): minRepl() quit(0) else: minStream newFileStream(stdin), "stdin", op |