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fixing bug with structure type property stuff.

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This commit is contained in:
Danny Yoo 2011-11-02 16:26:17 -04:00
parent d6ce74a273
commit 094ad76f74
1 changed files with 6 additions and 0 deletions
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6
js-assembler/runtime-src/baselib-structs.js
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@ -228,6 +228,9 @@
// given structure property. // given structure property.
var supportsStructureTypeProperty = function(structType, property) { var supportsStructureTypeProperty = function(structType, property) {
var propertiesList = structType.propertiesList; var propertiesList = structType.propertiesList;
if (! propertiesList) {
return false;
}
while (propertiesList !== baselib.lists.EMPTY) { while (propertiesList !== baselib.lists.EMPTY) {
if (propertiesList.first.first === property) { if (propertiesList.first.first === property) {
return true; return true;
@ -242,6 +245,9 @@
// Returns the binding associated to this particular structure type propery. // Returns the binding associated to this particular structure type propery.
var lookupStructureTypeProperty = function(structType, property) { var lookupStructureTypeProperty = function(structType, property) {
var propertiesList = structType.propertiesList; var propertiesList = structType.propertiesList;
if (! propertiesList) {
return undefined;
}
while (propertiesList !== baselib.lists.EMPTY) { while (propertiesList !== baselib.lists.EMPTY) {
if (propertiesList.first.first === property) { if (propertiesList.first.first === property) {
return propertiesList.first.rest; return propertiesList.first.rest;