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var sqrt = "";
sqrt = Math.sqrt; // "publish" other Math.* functions as needed
/* ==================== command expr ===================================== */
interp.registerCommand("::expr", function (interp, args) {
var result = null;
var retcode;
print("::expr!"+args+"!");
print("::expr retcode!"+retcode+"!"+result[0]+"!");
if (result == "true") {
return interp.objectify("1");
}
if (result == "false") {
return interp.objectify("0");
}
return result;
}
var str = args.splice(0, args.length).join(' ');
retcode = interp.eval_expression.evalExpression(args[1], result);
// for being compatible with Tcl we need to return 0 or 1 instead of true or false!!
if (result == "true") {
return interp.objectify("1");
}
if (result == "false") {
return interp.objectify("0");
}
return result
});
/* ==================== command file join ===================================== */
interp.registerSubCommand("::file", "join", function (interp, args) {
args.shift();
this.requireMinArgc(args, 1, "file join", "");
var path = args.shift();
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var sqrt = "";
sqrt = Math.sqrt; // "publish" other Math.* functions as needed
/* ==================== command expr ===================================== */
interp.registerCommand("::expr", function (interp, args) {
var result = null;
var retcode;
if (args.length == 2) {
result = new Array();
/* seems to be a braced expression argument */
retcode = interp.eval_expression.evalExpression(args[1], result);
// for being compatible with Tcl we need to return 0 or 1 instead of true or false!!
result = result[0];
if (result.toString() == "true") {
result = interp.objectify("1");
} else {
if (result.toString() == "false") {
result = interp.objectify("0");
} else {
result = interp.objectify(result);
}
}
interp.default_obj.setResult(result);
return retcode;
}
var str = args.splice(0, args.length).join(' ');
retcode = interp.eval_expression.evalExpression(args[1], result);
// for being compatible with Tcl we need to return 0 or 1 instead of true or false!!
if (result == "true") {
result = interp.objectify("1");
} else {
if (result == "false") {
result = interp.objectify("0");
} else {
result = interp.objectify(result);
}
}
interp.default_obj.setResult(result);
return retcode;
});
/* ==================== command file join ===================================== */
interp.registerSubCommand("::file", "join", function (interp, args) {
args.shift();
this.requireMinArgc(args, 1, "file join", "");
var path = args.shift();
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interp.setVar(args[2],interp.statement_parser.objectify(reply));
return reply.length;
} else return reply;
});
/* ==================== command if ===================================== */
interp.registerCommand("::if", function (interp, args) {
args.shift();
this.requireMinArgc(args, 2, "if", "");
var cond = args.shift();
var body = args.shift();
cond = cond.toExprTree();
var res = interp.eval_statement.evalExprSubTree(cond, null, 0);
res = res.toBoolean();
if (res) {
var result = interp.eval_statement.eval(body);
return result;
}
if (args.length == 0) {
return;
}
for (var i = 0; i < args.length; ) {
switch (args[i].toString()) {
case "else":
this.requireExactArgc(args, i + 2, "if", "");
return interp.eval_statement.eval(args[i+1]);
case "elseif":
this.requireMinArgc(args, i + 3, "if", "");
test = interp.statement_parser.objectify(interp.eval_statement.eval("::set _ "+args[i+1].toString()));
if (test.toBoolean()) {
return interp.eval_statement.eval(args[i+2].toString());
}
i += 3;
break;
default:
throw "Expected 'else' or 'elseif', got "+ args[i];
}
}
});
/* ==================== command incr ===================================== */
interp.registerCommand("::incr", function (interp, args) {
args.shift();
this.requireArgcRange(args, 1, 2, "incr", "");
var name = args.shift();
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interp.setVar(args[2],interp.statement_parser.objectify(reply));
return reply.length;
} else return reply;
});
/* ==================== command if ===================================== */
interp.registerCommand("::if", function (interp, args) {
var idx = 1;
var bool = new Array();
var retcode;
var current = 1;
var falsebody = 0;
var err = false;
var argc = args.length;
if (args.length >= 3) {
while (1) {
/* Far not enough arguments given! */
if (current >= argc) {
err = true;
break;
}
if ((retval = interp.eval_expression.getBoolFromExpr(args[current++], bool)) != interp.OK) {
return retval;
}
bool = bool[0];
/* There lacks something, isn't it? */
if (current >= argc) {
err = true;
break;
}
if (args[current] == "then") {
current++;
}
/* Tsk tsk, no then-clause? */
if (current >= argc) {
err = true;
break;
}
if (bool) {
return interp.eval_statement.evalObj(args[current]);
}
/* Ok: no else-clause follows */
if (++current >= argc) {
interp.default_obj.setResult(intp.string_obj_type.newEmptyStringObj());
return interp.OK;
}
falsebody = current++;
if (args[falsebody] == "else") {
/* IIICKS - else-clause isn't last cmd? */
if (current != argc - 1) {
err = true;
break
}
return interp.eval_statement.evalObj(args[current]);
} else {
if (args[falsebody] == "elseif") {
/* Ok: elseif follows meaning all the stuff
* again (how boring...)
*/
continue;
} else {
/* OOPS - else-clause is not last cmd? */
if (falsebody != argc - 1) {
err = true;
break;
}
return interp.eval_statement.evalObj(args[falsebody]);
}
}
}
if (!err) {
return interp.OK;
}
}
interp.wrongNumArgs(1, args, "condition ?then? trueBody ?elseif ...? ?else? falseBody");
return interp.ERROR;
});
/* ==================== command incr ===================================== */
interp.registerCommand("::incr", function (interp, args) {
args.shift();
this.requireArgcRange(args, 1, 2, "incr", "");
var name = args.shift();
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args.shift();
var result = eval(args[0].toString());
return result;
});
/* ==================== command puts ===================================== */
interp.registerCommand("::puts", function (interp, args) {
args.shift();
if ((args[0] == "stderr") || (args[0] == "stdout")) {
args.shift();
}
var val = args.shift();
print(val);
var result = interp.objectify("");
return result;
});
/* ==================== command proc ===================================== */
interp.registerCommand("::proc", function (interp, args) {
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args.shift();
var result = eval(args[0].toString());
return result;
});
/* ==================== command puts ===================================== */
interp.registerCommand("::puts", function (interp, args) {
print("::puts!"+args+"!");
var idx = 1;
this.requireMinArgc(args, 1, "puts", "");
if ((args[1] == "stderr") || (args[1] == "stdout")) {
idx++;
}
var val = args[idx];
print(val);
var result = interp.objectify("");
return result;
});
/* ==================== command proc ===================================== */
interp.registerCommand("::proc", function (interp, args) {
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