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arg.js
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'use strict';
var Sys = require("./sys.js");
var List = require("./list.js");
var Block = require("./block.js");
var Bytes = require("./bytes.js");
var Curry = require("./curry.js");
var Buffer = require("./buffer.js");
var Js_exn = require("./js_exn.js");
var Printf = require("./printf.js");
var $$String = require("./string.js");
var Caml_obj = require("./caml_obj.js");
var Caml_array = require("./caml_array.js");
var Pervasives = require("./pervasives.js");
var Caml_format = require("./caml_format.js");
var Caml_string = require("./caml_string.js");
var Caml_primitive = require("./caml_primitive.js");
var Caml_exceptions = require("./caml_exceptions.js");
var Caml_builtin_exceptions = require("./caml_builtin_exceptions.js");
var Bad = Caml_exceptions.create("Arg.Bad");
var Help = Caml_exceptions.create("Arg.Help");
var Stop = Caml_exceptions.create("Arg.Stop");
function assoc3(x, _l) {
while(true) {
var l = _l;
if (l) {
var match = l[0];
if (Caml_obj.caml_equal(match[0], x)) {
return match[1];
} else {
_l = l[1];
continue ;
}
} else {
throw Caml_builtin_exceptions.not_found;
}
};
}
function make_symlist(prefix, sep, suffix, l) {
if (l) {
return List.fold_left((function (x, y) {
return x + (sep + y);
}), prefix + l[0], l[1]) + suffix;
} else {
return "<none>";
}
}
function help_action() {
throw [
Stop,
/* Unknown */Block.__(0, ["-help"])
];
}
function add_help(speclist) {
var add1;
try {
assoc3("-help", speclist);
add1 = /* [] */0;
}
catch (exn){
if (exn === Caml_builtin_exceptions.not_found) {
add1 = /* :: */[
/* tuple */[
"-help",
/* Unit */Block.__(0, [help_action]),
" Display this list of options"
],
/* [] */0
];
} else {
throw exn;
}
}
var add2;
try {
assoc3("--help", speclist);
add2 = /* [] */0;
}
catch (exn$1){
if (exn$1 === Caml_builtin_exceptions.not_found) {
add2 = /* :: */[
/* tuple */[
"--help",
/* Unit */Block.__(0, [help_action]),
" Display this list of options"
],
/* [] */0
];
} else {
throw exn$1;
}
}
return Pervasives.$at(speclist, Pervasives.$at(add1, add2));
}
function usage_b(buf, speclist, errmsg) {
Curry._1(Printf.bprintf(buf, /* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* Char_literal */Block.__(12, [
/* "\n" */10,
/* End_of_format */0
])
]),
"%s\n"
]), errmsg);
return List.iter((function (param) {
var buf$1 = buf;
var param$1 = param;
var doc = param$1[2];
if (doc.length) {
var spec = param$1[1];
var key = param$1[0];
if (spec.tag === 11) {
return Curry._3(Printf.bprintf(buf$1, /* Format */[
/* String_literal */Block.__(11, [
" ",
/* String */Block.__(2, [
/* No_padding */0,
/* Char_literal */Block.__(12, [
/* " " */32,
/* String */Block.__(2, [
/* No_padding */0,
/* String */Block.__(2, [
/* No_padding */0,
/* Char_literal */Block.__(12, [
/* "\n" */10,
/* End_of_format */0
])
])
])
])
])
]),
" %s %s%s\n"
]), key, make_symlist("{", "|", "}", spec[0]), doc);
} else {
return Curry._2(Printf.bprintf(buf$1, /* Format */[
/* String_literal */Block.__(11, [
" ",
/* String */Block.__(2, [
/* No_padding */0,
/* Char_literal */Block.__(12, [
/* " " */32,
/* String */Block.__(2, [
/* No_padding */0,
/* Char_literal */Block.__(12, [
/* "\n" */10,
/* End_of_format */0
])
])
])
])
]),
" %s %s\n"
]), key, doc);
}
} else {
return 0;
}
}), add_help(speclist));
}
function usage_string(speclist, errmsg) {
var b = Buffer.create(200);
usage_b(b, speclist, errmsg);
return Buffer.contents(b);
}
function usage(speclist, errmsg) {
return Curry._1(Printf.eprintf(/* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* End_of_format */0
]),
"%s"
]), usage_string(speclist, errmsg));
}
var current = [0];
function parse_argv_dynamic($staropt$star, argv, speclist, anonfun, errmsg) {
var current$1 = $staropt$star ? $staropt$star[0] : current;
var l = argv.length;
var b = Buffer.create(200);
var initpos = current$1[0];
var stop = function (error) {
var progname = initpos < l ? Caml_array.caml_array_get(argv, initpos) : "(?)";
switch (error.tag | 0) {
case 0 :
var s = error[0];
switch (s) {
case "--help" :
case "-help" :
break;
default:
Curry._2(Printf.bprintf(b, /* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
": unknown option '",
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
"'.\n",
/* End_of_format */0
])
])
])
]),
"%s: unknown option '%s'.\n"
]), progname, s);
}
break;
case 1 :
Curry._4(Printf.bprintf(b, /* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
": wrong argument '",
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
"'; option '",
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
"' expects ",
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
".\n",
/* End_of_format */0
])
])
])
])
])
])
])
]),
"%s: wrong argument '%s'; option '%s' expects %s.\n"
]), progname, error[1], error[0], error[2]);
break;
case 2 :
Curry._2(Printf.bprintf(b, /* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
": option '",
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
"' needs an argument.\n",
/* End_of_format */0
])
])
])
]),
"%s: option '%s' needs an argument.\n"
]), progname, error[0]);
break;
case 3 :
Curry._2(Printf.bprintf(b, /* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
": ",
/* String */Block.__(2, [
/* No_padding */0,
/* String_literal */Block.__(11, [
".\n",
/* End_of_format */0
])
])
])
]),
"%s: %s.\n"
]), progname, error[0]);
break;
}
usage_b(b, speclist[0], errmsg);
if (Caml_obj.caml_equal(error, /* Unknown */Block.__(0, ["-help"])) || Caml_obj.caml_equal(error, /* Unknown */Block.__(0, ["--help"]))) {
throw [
Help,
Buffer.contents(b)
];
} else {
throw [
Bad,
Buffer.contents(b)
];
}
};
current$1[0] = current$1[0] + 1 | 0;
while(current$1[0] < l) {
var s = Caml_array.caml_array_get(argv, current$1[0]);
if (s.length >= 1 && Caml_string.get(s, 0) === /* "-" */45) {
var action;
try {
action = assoc3(s, speclist[0]);
}
catch (exn){
if (exn === Caml_builtin_exceptions.not_found) {
action = stop(/* Unknown */Block.__(0, [s]));
} else {
throw exn;
}
}
try {
var treat_action = (function(s){
return function treat_action(param) {
switch (param.tag | 0) {
case 0 :
return Curry._1(param[0], /* () */0);
case 1 :
if ((current$1[0] + 1 | 0) < l) {
var arg = Caml_array.caml_array_get(argv, current$1[0] + 1 | 0);
try {
Curry._1(param[0], Pervasives.bool_of_string(arg));
}
catch (raw_exn){
var exn = Js_exn.internalToOCamlException(raw_exn);
if (exn[0] === Caml_builtin_exceptions.invalid_argument) {
if (exn[1] === "bool_of_string") {
throw [
Stop,
/* Wrong */Block.__(1, [
s,
arg,
"a boolean"
])
];
} else {
throw exn;
}
} else {
throw exn;
}
}
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 2 :
param[0][0] = /* true */1;
return /* () */0;
case 3 :
param[0][0] = /* false */0;
return /* () */0;
case 4 :
if ((current$1[0] + 1 | 0) < l) {
Curry._1(param[0], Caml_array.caml_array_get(argv, current$1[0] + 1 | 0));
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 5 :
if ((current$1[0] + 1 | 0) < l) {
param[0][0] = Caml_array.caml_array_get(argv, current$1[0] + 1 | 0);
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 6 :
if ((current$1[0] + 1 | 0) < l) {
var arg$1 = Caml_array.caml_array_get(argv, current$1[0] + 1 | 0);
try {
Curry._1(param[0], Caml_format.caml_int_of_string(arg$1));
}
catch (raw_exn$1){
var exn$1 = Js_exn.internalToOCamlException(raw_exn$1);
if (exn$1[0] === Caml_builtin_exceptions.failure) {
if (exn$1[1] === "int_of_string") {
throw [
Stop,
/* Wrong */Block.__(1, [
s,
arg$1,
"an integer"
])
];
} else {
throw exn$1;
}
} else {
throw exn$1;
}
}
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 7 :
if ((current$1[0] + 1 | 0) < l) {
var arg$2 = Caml_array.caml_array_get(argv, current$1[0] + 1 | 0);
try {
param[0][0] = Caml_format.caml_int_of_string(arg$2);
}
catch (raw_exn$2){
var exn$2 = Js_exn.internalToOCamlException(raw_exn$2);
if (exn$2[0] === Caml_builtin_exceptions.failure) {
if (exn$2[1] === "int_of_string") {
throw [
Stop,
/* Wrong */Block.__(1, [
s,
arg$2,
"an integer"
])
];
} else {
throw exn$2;
}
} else {
throw exn$2;
}
}
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 8 :
if ((current$1[0] + 1 | 0) < l) {
var arg$3 = Caml_array.caml_array_get(argv, current$1[0] + 1 | 0);
try {
Curry._1(param[0], Caml_format.caml_float_of_string(arg$3));
}
catch (raw_exn$3){
var exn$3 = Js_exn.internalToOCamlException(raw_exn$3);
if (exn$3[0] === Caml_builtin_exceptions.failure) {
if (exn$3[1] === "float_of_string") {
throw [
Stop,
/* Wrong */Block.__(1, [
s,
arg$3,
"a float"
])
];
} else {
throw exn$3;
}
} else {
throw exn$3;
}
}
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 9 :
if ((current$1[0] + 1 | 0) < l) {
var arg$4 = Caml_array.caml_array_get(argv, current$1[0] + 1 | 0);
try {
param[0][0] = Caml_format.caml_float_of_string(arg$4);
}
catch (raw_exn$4){
var exn$4 = Js_exn.internalToOCamlException(raw_exn$4);
if (exn$4[0] === Caml_builtin_exceptions.failure) {
if (exn$4[1] === "float_of_string") {
throw [
Stop,
/* Wrong */Block.__(1, [
s,
arg$4,
"a float"
])
];
} else {
throw exn$4;
}
} else {
throw exn$4;
}
}
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 10 :
return List.iter(treat_action, param[0]);
case 11 :
if ((current$1[0] + 1 | 0) < l) {
var symb = param[0];
var arg$5 = Caml_array.caml_array_get(argv, current$1[0] + 1 | 0);
if (List.mem(arg$5, symb)) {
Curry._1(param[1], Caml_array.caml_array_get(argv, current$1[0] + 1 | 0));
current$1[0] = current$1[0] + 1 | 0;
return /* () */0;
} else {
throw [
Stop,
/* Wrong */Block.__(1, [
s,
arg$5,
"one of: " + make_symlist("", " ", "", symb)
])
];
}
} else {
throw [
Stop,
/* Missing */Block.__(2, [s])
];
}
case 12 :
var f = param[0];
while(current$1[0] < (l - 1 | 0)) {
Curry._1(f, Caml_array.caml_array_get(argv, current$1[0] + 1 | 0));
current$1[0] = current$1[0] + 1 | 0;
};
return /* () */0;
}
}
}(s));
treat_action(action);
}
catch (raw_exn){
var exn$1 = Js_exn.internalToOCamlException(raw_exn);
if (exn$1[0] === Bad) {
stop(/* Message */Block.__(3, [exn$1[1]]));
} else if (exn$1[0] === Stop) {
stop(exn$1[1]);
} else {
throw exn$1;
}
}
current$1[0] = current$1[0] + 1 | 0;
} else {
try {
Curry._1(anonfun, s);
}
catch (raw_exn$1){
var exn$2 = Js_exn.internalToOCamlException(raw_exn$1);
if (exn$2[0] === Bad) {
stop(/* Message */Block.__(3, [exn$2[1]]));
} else {
throw exn$2;
}
}
current$1[0] = current$1[0] + 1 | 0;
}
};
return /* () */0;
}
function parse_argv($staropt$star, argv, speclist, anonfun, errmsg) {
var current$1 = $staropt$star ? $staropt$star[0] : current;
return parse_argv_dynamic(/* Some */[current$1], argv, [speclist], anonfun, errmsg);
}
function parse(l, f, msg) {
try {
return parse_argv(/* None */0, Sys.argv, l, f, msg);
}
catch (raw_exn){
var exn = Js_exn.internalToOCamlException(raw_exn);
if (exn[0] === Bad) {
Curry._1(Printf.eprintf(/* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* End_of_format */0
]),
"%s"
]), exn[1]);
return Pervasives.exit(2);
} else if (exn[0] === Help) {
Curry._1(Printf.printf(/* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* End_of_format */0
]),
"%s"
]), exn[1]);
return Pervasives.exit(0);
} else {
throw exn;
}
}
}
function parse_dynamic(l, f, msg) {
try {
return parse_argv_dynamic(/* None */0, Sys.argv, l, f, msg);
}
catch (raw_exn){
var exn = Js_exn.internalToOCamlException(raw_exn);
if (exn[0] === Bad) {
Curry._1(Printf.eprintf(/* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* End_of_format */0
]),
"%s"
]), exn[1]);
return Pervasives.exit(2);
} else if (exn[0] === Help) {
Curry._1(Printf.printf(/* Format */[
/* String */Block.__(2, [
/* No_padding */0,
/* End_of_format */0
]),
"%s"
]), exn[1]);
return Pervasives.exit(0);
} else {
throw exn;
}
}
}
function second_word(s) {
var len = s.length;
try {
var _n = Bytes.index(Caml_string.bytes_of_string(s), /* " " */32);
while(true) {
var n = _n;
if (n >= len) {
return len;
} else if (Caml_string.get(s, n) === /* " " */32) {
_n = n + 1 | 0;
continue ;
} else {
return n;
}
};
}
catch (exn){
if (exn === Caml_builtin_exceptions.not_found) {
return len;
} else {
throw exn;
}
}
}
function max_arg_len(cur, param) {
var kwd = param[0];
if (param[1].tag === 11) {
return Caml_primitive.caml_int_max(cur, kwd.length);
} else {
return Caml_primitive.caml_int_max(cur, kwd.length + second_word(param[2]) | 0);
}
}
function align($staropt$star, speclist) {
var limit = $staropt$star ? $staropt$star[0] : Pervasives.max_int;
var completed = add_help(speclist);
var len = List.fold_left(max_arg_len, 0, completed);
var len$1 = len < limit ? len : limit;
return List.map((function (param) {
var len$2 = len$1;
var ksd = param;
var spec = ksd[1];
var kwd = ksd[0];
if (ksd[2] === "") {
return ksd;
} else if (spec.tag === 11) {
var msg = ksd[2];
var cutcol = second_word(msg);
var n = Caml_primitive.caml_int_max(0, len$2 - cutcol | 0) + 3 | 0;
var spaces = Caml_string.bytes_to_string(Bytes.make(n, /* " " */32));
return /* tuple */[
kwd,
spec,
"\n" + (spaces + msg)
];
} else {
var msg$1 = ksd[2];
var cutcol$1 = second_word(msg$1);
var kwd_len = kwd.length;
var diff = (len$2 - kwd_len | 0) - cutcol$1 | 0;
if (diff <= 0) {
return /* tuple */[
kwd,
spec,
msg$1
];
} else {
var spaces$1 = Caml_string.bytes_to_string(Bytes.make(diff, /* " " */32));
var prefix = $$String.sub(msg$1, 0, cutcol$1);
var suffix = $$String.sub(msg$1, cutcol$1, msg$1.length - cutcol$1 | 0);
return /* tuple */[
kwd,
spec,
prefix + (spaces$1 + suffix)
];
}
}
}), completed);
}
exports.parse = parse;
exports.parse_dynamic = parse_dynamic;
exports.parse_argv = parse_argv;
exports.parse_argv_dynamic = parse_argv_dynamic;
exports.Help = Help;
exports.Bad = Bad;
exports.usage = usage;
exports.usage_string = usage_string;
exports.align = align;
exports.current = current;
/* No side effect */