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pas2js: rtl.js isExt with check for instance

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git-svn-id: trunk@38003 -
This commit is contained in:
Mattias Gaertner 2018-01-19 00:03:08 +00:00
parent 1bdff08a98
commit 89382e0929
1 changed files with 26 additions and 8 deletions
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34
utils/pas2js/dist/rtl.js vendored
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@ -65,6 +65,14 @@ var rtl = {
return ((typeof(o)==="object") || (typeof(o)==='function')) ? o : null;
},
isPasClass: function(type){
return (rtl.isObject(type) && type.hasOwnProperty('$classname') && rtl.isObject(type.$module));
},
isPasClassInstance: function(type){
return (rtl.isObject(type) && rtl.isPasClass(type.$class));
},
m_loading: 0,
m_loading_intf: 1,
m_intf_loaded: 2,
@ -320,20 +328,30 @@ var rtl = {
return null;
},
is: function(descendant,type){
return type.isPrototypeOf(descendant) || (descendant===type);
is: function(instance,type){
return type.isPrototypeOf(instance) || (instance===type);
},
isExt: function(instance,type){
isExt: function(instance,type,mode){
// mode===1 means instance must be a Pascal class instance
// mode===2 means instance must be a Pascal class
// Notes:
// isPrototypeOf and instanceof return false on equal
// isPrototypeOf does not work for Date.isPrototypeOf(new Date())
// so if isPrototypeOf is false test with instanceof
// instanceof needs a function on right side
if (instance == null) return false; // Note: ==null checks for undefined
if (instance == null) return false; // Note: ==null checks for undefined too
if ((typeof(type) !== 'object') && (typeof(type) !== 'function')) return false;
if (instance === type) return true;
if (type.isPrototypeOf && type.isPrototypeOf(instance)) return true;
if (instance === type){
if (mode===1) return false;
if (mode===2) return rtl.isPasClass(instance);
return true;
}
if (type.isPrototypeOf && type.isPrototypeOf(instance)){
if (mode===1) return rtl.isPasClassInstance(instance);
if (mode===2) return rtl.isPasClass(instance);
return true;
}
if ((typeof type == 'function') && (instance instanceof type)) return true;
return false;
},
@ -357,8 +375,8 @@ var rtl = {
rtl.raiseEInvalidCast();
},
asExt: function(instance,type){
if((instance === null) || rtl.isExt(instance,type)) return instance;
asExt: function(instance,type,mode){
if((instance === null) || rtl.isExt(instance,type,mode)) return instance;
rtl.raiseEInvalidCast();
},