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clean hostCache to avoid extending lifetime of script snapshots

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This commit is contained in:
Vladimir Matveev 2015-06-01 16:08:58 -07:00
parent 9b12fabaa1
commit 86d9398a92
1 changed files with 5 additions and 0 deletions
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5
src/services/services.ts
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@ -2487,6 +2487,10 @@ module ts {
}
}
// hostCache is captured in the closure for 'getOrCreateSourceFile' but it should not be used past this point.
// It needs to be cleared to allow all collected snapshots to be released
hostCache = undefined;
program = newProgram;
// Make sure all the nodes in the program are both bound, and have their parent
@ -2495,6 +2499,7 @@ module ts {
return;
function getOrCreateSourceFile(fileName: string): SourceFile {
Debug.assert(hostCache !== undefined);
// The program is asking for this file, check first if the host can locate it.
// If the host can not locate the file, then it does not exist. return undefined
// to the program to allow reporting of errors for missing files.