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Some JS completion stuff.

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This commit is contained in:
Kris Maglione
2008-11-29 09:29:01 +00:00
parent ae5ed5b795
commit 1b0c495d77
1 changed files with 57 additions and 30 deletions
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87
content/completion.js
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@@ -51,10 +51,11 @@ function CompletionContext(editor, name, offset)
self.contexts[name] = this; self.contexts[name] = this;
self.filters = parent.filters.slice(); self.filters = parent.filters.slice();
self.incomplete = false; self.incomplete = false;
self.message = null;
self.parent = parent;
self.offset = parent.offset + (offset || 0);
self.keys = util.cloneObject(parent.keys); self.keys = util.cloneObject(parent.keys);
self.message = null;
self.offset = parent.offset + (offset || 0);
self.parent = parent;
self.waitingForTab = false;
delete self._filter; // FIXME? delete self._filter; // FIXME?
delete self._generate; delete self._generate;
delete self._ignoreCase; delete self._ignoreCase;
@@ -62,7 +63,7 @@ function CompletionContext(editor, name, offset)
self[key] = parent[key]); self[key] = parent[key]);
if (self != this) if (self != this)
return self; return self;
["_caret", "contextList", "maxItems", "onUpdate", "selectionTypes", "tabPressed", "updateAsync", "value", "waitingForTab"].forEach(function (key) { ["_caret", "contextList", "maxItems", "onUpdate", "selectionTypes", "tabPressed", "updateAsync", "value"].forEach(function (key) {
self.__defineGetter__(key, function () this.top[key]); self.__defineGetter__(key, function () this.top[key]);
self.__defineSetter__(key, function (val) this.top[key] = val); self.__defineSetter__(key, function (val) this.top[key] = val);
}); });
@@ -99,6 +100,7 @@ function CompletionContext(editor, name, offset)
this.onUpdate = function () true; this.onUpdate = function () true;
this.top = this; this.top = this;
this.__defineGetter__("incomplete", function () this.contextList.some(function (c) c.parent && c.incomplete)); this.__defineGetter__("incomplete", function () this.contextList.some(function (c) c.parent && c.incomplete));
this.__defineGetter__("waitingForTab", function () this.contextList.some(function (c) c.parent && c.waitingForTab));
this.reset(); this.reset();
} }
this.cache = {}; this.cache = {};
@@ -201,8 +203,8 @@ CompletionContext.prototype = {
this.process = format.process || this.process; this.process = format.process || this.process;
}, },
//get message() this._message || (this.incomplete ? "Waiting..." : null), get message() this._message || (this.waitingForTab ? "Waiting for <Tab>" : null),
//set message(val) this._message = val, set message(val) this._message = val,
get regenerate() this._generate && (!this.completions || !this.itemCache[this.key] || this.cache.offset != this.offset), get regenerate() this._generate && (!this.completions || !this.itemCache[this.key] || this.cache.offset != this.offset),
set regenerate(val) { if (val) delete this.itemCache[this.key] }, set regenerate(val) { if (val) delete this.itemCache[this.key] },
@@ -280,7 +282,7 @@ CompletionContext.prototype = {
item.unquoted = item.text; item.unquoted = item.text;
item.text = quote[0] + quote[1](item.text) + quote[2]; item.text = quote[0] + quote[1](item.text) + quote[2];
}) })
if (options.get("wildoptions").has("sort")) if (options.get("wildoptions").has("sort") && this.compare)
filtered.sort(this.compare); filtered.sort(this.compare);
return this.cache.filtered = filtered; return this.cache.filtered = filtered;
}, },
@@ -577,7 +579,10 @@ function Completion() //{{{
// return that, too. // return that, too.
if (orig.wrappedJSObject) if (orig.wrappedJSObject)
compl.push(["wrappedJSObject", obj]); compl.push(["wrappedJSObject", obj]);
// Parse keys for sorting
// Add keys for sorting later.
// Numbers are parsed to ints.
// Constants, which should be unsorted, are found and marked null.
compl.forEach(function (item) { compl.forEach(function (item) {
let key = item[0]; let key = item[0];
if (!isNaN(key)) if (!isNaN(key))
@@ -586,6 +591,7 @@ function Completion() //{{{
key = ""; key = "";
item.key = key; item.key = key;
}); });
return compl; return compl;
} }
@@ -615,9 +621,11 @@ function Completion() //{{{
let get = function get(n, m, o) let get = function get(n, m, o)
{ {
let a = stack[n >= 0 ? n : stack.length + n]; let a = stack[n >= 0 ? n : stack.length + n];
if (m == undefined) if (o != null)
a = a[o];
if (m == null)
return a; return a;
return a[o][a[o].length - m - 1]; return a[a.length - m - 1];
} }
function buildStack(start) function buildStack(start)
@@ -755,9 +763,6 @@ function Completion() //{{{
/* Okay, have parse stack. Figure out what we're completing. */ /* Okay, have parse stack. Figure out what we're completing. */
if (/[\])}"';]/.test(str[lastIdx - 1]) && last != '"' && last != '"')
return;
// Find any complete statements that we can eval before we eval our object. // Find any complete statements that we can eval before we eval our object.
// This allows for things like: let doc = window.content.document; let elem = doc.createElement...; elem.<Tab> // This allows for things like: let doc = window.content.document; let elem = doc.createElement...; elem.<Tab>
let prev = 0; let prev = 0;
@@ -776,7 +781,6 @@ function Completion() //{{{
if (!res || self.context.tabPressed || key in self.context.cache.eval) if (!res || self.context.tabPressed || key in self.context.cache.eval)
return false; return false;
self.context.waitingForTab = true; self.context.waitingForTab = true;
self.context.message = "Waiting for <Tab>";
return true; return true;
} }
@@ -840,7 +844,7 @@ function Completion() //{{{
context.itemCache = context.parent.itemCache; context.itemCache = context.parent.itemCache;
context.key = name; context.key = name;
if (last != undefined) if (last != null)
context.quote = [last, function (text) util.escapeString(text.substr(offset), ""), last]; context.quote = [last, function (text) util.escapeString(text.substr(offset), ""), last];
else // We're not looking for a quoted string, so filter out anything that's not a valid identifier else // We're not looking for a quoted string, so filter out anything that's not a valid identifier
context.filters.push(function (item) /^[\w$][\w\d$]*$/.test(item.text)); context.filters.push(function (item) /^[\w$][\w\d$]*$/.test(item.text));
@@ -852,18 +856,27 @@ function Completion() //{{{
{ {
let orig = compl; let orig = compl;
if (!compl) if (!compl)
compl = function (context, obj) { {
compl = function (context, obj)
{
context.process = [null, function highlight(item, v) template.highlight(v, true)]; context.process = [null, function highlight(item, v) template.highlight(v, true)];
if (!context.anchored) // Sort in a logical fasion for object keys:
context.filters.push(function (item) util.compareIgnoreCase(item.text.substr(0, key.length), key)); // Numbers are sorted as numbers, rather than strings, and appear first.
// Constants are unsorted, and appear before other non-null strings.
// Other strings are sorted in the default manner.
let compare = context.compare;
context.compare = function ({ item: { key: a } }, { item: { key: b } }) context.compare = function ({ item: { key: a } }, { item: { key: b } })
{ {
if (!isNaN(a) && !isNaN(b)) if (!isNaN(a) && !isNaN(b))
return a - b; return a - b;
return String.localeCompare(a, b); return isNaN(b) - isNaN(a) || compare(a, b);
} }
if (!context.anchored) // We've alreasy listed anchored matches, so don't list them again here.
context.filters.push(function (item) util.compareIgnoreCase(item.text.substr(0, key.length), key));
context.generate = function () self.objectKeys(obj); context.generate = function () self.objectKeys(obj);
} }
}
// TODO: Make this a generic completion helper function.
let filter = key + (string || ""); let filter = key + (string || "");
for (let [,obj] in Iterator(objects)) for (let [,obj] in Iterator(objects))
{ {
@@ -884,18 +897,27 @@ function Completion() //{{{
// Otherwise, do nothing. // Otherwise, do nothing.
if (last == "'" || last == '"') if (last == "'" || last == '"')
{ {
// TODO: Make this work with unquoted integers.
/* /*
* str = "foo[bar + 'baz" * str = "foo[bar + 'baz"
* obj = "foo" * obj = "foo"
* key = "bar + ''" * key = "bar + ''"
*/ */
// The top of the stack is the sting we're completing. // The top of the stack is the sting we're completing.
// Wrap it in its delimiters and eval it to process escape sequences. // Wrap it in its delimiters and eval it to process escape sequences.
let string = str.substring(top[OFFSET] + 1); let string = str.substring(get(-1)[OFFSET] + 1, lastIdx);
string = eval(last + string + last); string = eval(last + string + last);
function getKey()
{
if (last == "")
return "";
// After the opening [ upto the opening ", plus '' to take care of any operators before it
let key = str.substring(get(-2, 0, STATEMENTS), get(-1, null, OFFSET)) + "''";
// Now eval the key, to process any referenced variables.
return this.eval(key);
}
/* Is this an object accessor? */ /* Is this an object accessor? */
if (get(-2)[CHAR] == "[") // Are we inside of []? if (get(-2)[CHAR] == "[") // Are we inside of []?
{ {
@@ -912,12 +934,8 @@ function Completion() //{{{
// Begining of the statement upto the opening [ // Begining of the statement upto the opening [
let obj = getObj(-3, get(-2)[OFFSET]); let obj = getObj(-3, get(-2)[OFFSET]);
// After the opening [ upto the opening ", plus '' to take care of any operators before it
let key = str.substring(get(-2)[OFFSET] + 1, top[OFFSET]) + "''";
// Now eval the key, to process any referenced variables.
key = this.eval(key);
return complete.call(this, obj, key, null, string, last); return complete.call(this, obj, getKey(), null, string, last);
} }
// Is this a function call? // Is this a function call?
@@ -934,7 +952,6 @@ function Completion() //{{{
return; // No. We're done. return; // No. We're done.
let [offset, obj, func] = getObjKey(-3); let [offset, obj, func] = getObjKey(-3);
let key = str.substring(get(-2, 0, STATEMENTS), top[OFFSET]) + "''";
if (!obj.length) if (!obj.length)
return; return;
@@ -957,22 +974,32 @@ function Completion() //{{{
prev = idx; prev = idx;
args.__defineGetter__(i, function () self.eval(ret)); args.__defineGetter__(i, function () self.eval(ret));
} }
key = this.eval(key); let key = getKey();
args.push(key + string); args.push(key + string);
compl = function (context, obj) { compl = function (context, obj)
{
let res = completer.call(self, context, func, obj, args); let res = completer.call(self, context, func, obj, args);
if (res) if (res)
context.completions = res; context.completions = res;
} }
obj[0][1] += "." + func + "(... [" + args.length + "]"; obj[0][1] += "." + func + "(... [" + args.length + "]";
return complete.call(this, obj, key, compl, string, last); return complete.call(this, obj, key, compl, string, last);
} }
// In a string that's not an obj key or a function arg.
// Nothing to do. // Nothing to do.
return; return;
} }
// Wait for a keypress.
if (!this.context.tabPressed && /[{([\])}"';]/.test(str[lastIdx - 1]) && last != '"' && last != '"')
{
this.context.waitingForTab = true;
return;
}
/* /*
* str = "foo.bar.baz" * str = "foo.bar.baz"
* obj = "foo.bar" * obj = "foo.bar"