robojerk/codeql-action

Some refactoring in fingerprint computation

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Edoardo Pirovano 2021-06-07 15:42:03 +01:00 • committed by Edoardo Pirovano
parent 9c13fefc68
commit c09500540c
3 changed files with 19 additions and 29 deletions
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24
src/fingerprints.ts
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@ -8,6 +8,7 @@ const tab = "\t".charCodeAt(0);
const space = " ".charCodeAt(0);
const lf = "\n".charCodeAt(0);
const cr = "\r".charCodeAt(0);
const EOF = 65535;
const BLOCK_SIZE = 100;
const MOD = Long.fromInt(37); // L
@ -114,17 +115,13 @@ export async function hash(callback: hashCallback, filepath: string) {
updateHash(current);
};
await new Promise((fulfill) => {
const readStream = fs.createReadStream(filepath, "utf8");
readStream.on("close", fulfill);
readStream.on("end", () => {
processCharacter(65535);
});
readStream.on("data", (data) => {
for (let i = 0; i < data.length; ++i)
processCharacter(data.charCodeAt(i));
});
});
const readStream = fs.createReadStream(filepath, "utf8");
for await (const data of readStream) {
for (let i = 0; i < data.length; ++i) {
processCharacter(data.charCodeAt(i));
}
}
processCharacter(EOF);
// Flush the remaining lines
for (let i = 0; i < BLOCK_SIZE; i++) {
@ -274,10 +271,7 @@ export async function addFingerprints(
continue;
}
if (
typeof primaryLocation?.physicalLocation?.region?.startLine ===
"undefined"
) {
if (primaryLocation?.physicalLocation?.region?.startLine === undefined) {
// Locations without a line number are unlikely to be source files
continue;
}