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Changing the coersion example so it can show difference between computing the value and printing it out.

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This commit is contained in:
Danny Yoo 2011-07-18 10:53:23 -04:00
parent 752bc5350e
commit 061ea53805
4 changed files with 29 additions and 33 deletions
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4
examples/counting-world-program.rkt
View File

@ -9,8 +9,8 @@ handler
"big bang should follow:"
(big-bang 1
;;(on-tick add1 1)
(on-tick (lambda (w) (* w 2)) 1)
(on-tick add1 1)
;;(on-tick (lambda (w) (* w 2)) 1)
;;(stop-when (lambda (w) (> w 10)))
)

53
js-assembler/runtime-src/baselib-functions.js
View File

@ -44,9 +44,11 @@
try {
succ = succ || function(){};
fail = fail || function(){};
var args = [];
for (var i = 2; i < arguments.length; i++) {
args.push(arguments[i]);
var oldArgcount = MACHINE.argcount;
MACHINE.argcount = arguments.length - 2;
for (var i = 0; i < arguments.length - 2; i++) {
MACHINE.env.push(arguments[arguments.length - 1 - i]);
}
// Check arity usage.
@ -55,6 +57,10 @@
}
var result = v.apply(null, args);
MACHINE.argcount = oldArgcount;
for (var i = 0; i < arguments.length - 2; i++) {
MACHINE.env.pop();
}
succ(result);
} catch (e) {
fail(e);
@ -68,13 +74,8 @@
succ = succ || function(){};
fail = fail || function(){};
var args = [], i;
for (i = 2; i < arguments.length; i++) {
args.push(arguments[i]);
}
// Check arity usage.
if (! plt.baselib.arity.isArityMatching(v.arity, args.length)) {
if (! plt.baselib.arity.isArityMatching(v.arity, arguments.length - 2)) {
throw new Error("arity mismatch");
}
@ -110,25 +111,21 @@
});
};
setTimeout(
function() {
MACHINE.control.push(
new plt.baselib.frames.CallFrame(afterGoodInvoke, null));
MACHINE.argcount = args.length;
for (var i = 0; i < args.length; i++) {
MACHINE.env.push(args[i]);
}
MACHINE.proc = v;
MACHINE.params['currentErrorHandler'] = function(MACHINE, e) {
MACHINE.params['currentErrorHandler'] = oldErrorHandler;
MACHINE.val = oldVal;
MACHINE.argcount = oldArgcount;
MACHINE.proc = oldProc;
fail(e);
};
plt.runtime.trampoline(MACHINE, v.label);
},
0);
MACHINE.control.push(
new plt.baselib.frames.CallFrame(afterGoodInvoke, null));
MACHINE.argcount = arguments.length - 2;
for (var i = 0; i < arguments.length - 2; i++) {
MACHINE.env.push(arguments[arguments.length - 1 - i]);
}
MACHINE.proc = v;
MACHINE.params['currentErrorHandler'] = function(MACHINE, e) {
MACHINE.params['currentErrorHandler'] = oldErrorHandler;
MACHINE.val = oldVal;
MACHINE.argcount = oldArgcount;
MACHINE.proc = oldProc;
fail(e);
};
plt.runtime.trampoline(MACHINE, v.label);
};
return f;
};

3
tests/coersing/index.html
View File

@ -13,7 +13,8 @@ plt.runtime.ready(function() {
myFactClosure);
myFact(function(v) {
$('#answer').text(v.toString());
$('#answer').text('computed. Printing...');
setTimeout(function() { $('#answer').text(v.toString()); }, 0);
},
function(err) {
$('#answer').text(err.message).css("color", "red");

2
world/kernel.js
View File

@ -191,7 +191,6 @@ OnDraw.prototype = plt.baselib.heir(WorldConfigOption.prototype);
OnDraw.prototype.toRawHandler = function(MACHINE) {
var worldFunction = function(world, k) {
console.log('about to call the on-draw');
// FIXME: call the handler instead!
k(plt.baselib.format.toDomNode(world));
};
@ -213,7 +212,6 @@ DefaultOnDraw.prototype = plt.baselib.heir(WorldConfigOption.prototype);
DefaultOnDraw.prototype.toRawHandler = function(MACHINE) {
var that = this;
var worldFunction = function(world, k) {
console.log(rawJsworld.node_to_tree(plt.baselib.format.toDomNode(world)));
k([that.toplevelNode,
rawJsworld.node_to_tree(plt.baselib.format.toDomNode(world))]);
};