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Unified Diff: third_party/WebKit/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotLoader.js

Issue 2466123002: DevTools: reformat front-end code to match chromium style. (Closed)
Patch Set: all done Created 4 years, 1 month ago
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Index: third_party/WebKit/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotLoader.js
diff --git a/third_party/WebKit/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotLoader.js b/third_party/WebKit/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotLoader.js
index bb235a5d0aa6bf982b3d8f90eb9ee178ef7df591..d511cd49f3d8c1df317742d2d2f97585379ec0b9 100644
--- a/third_party/WebKit/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotLoader.js
+++ b/third_party/WebKit/Source/devtools/front_end/heap_snapshot_worker/HeapSnapshotLoader.js
@@ -27,289 +27,282 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-
/**
- * @constructor
- * @param {!WebInspector.HeapSnapshotWorkerDispatcher} dispatcher
+ * @unrestricted
*/
-WebInspector.HeapSnapshotLoader = function(dispatcher)
-{
+WebInspector.HeapSnapshotLoader = class {
+ /**
+ * @param {!WebInspector.HeapSnapshotWorkerDispatcher} dispatcher
+ */
+ constructor(dispatcher) {
this._reset();
this._progress = new WebInspector.HeapSnapshotProgress(dispatcher);
-};
+ }
-WebInspector.HeapSnapshotLoader.prototype = {
- dispose: function()
- {
- this._reset();
- },
+ dispose() {
+ this._reset();
+ }
- _reset: function()
- {
- this._json = "";
- this._state = "find-snapshot-info";
- this._snapshot = {};
- },
+ _reset() {
+ this._json = '';
+ this._state = 'find-snapshot-info';
+ this._snapshot = {};
+ }
- close: function()
- {
- if (this._json)
- this._parseStringsArray();
- },
+ close() {
+ if (this._json)
+ this._parseStringsArray();
+ }
- /**
- * @return {!WebInspector.JSHeapSnapshot}
- */
- buildSnapshot: function()
- {
- this._progress.updateStatus("Processing snapshot\u2026");
- var result = new WebInspector.JSHeapSnapshot(this._snapshot, this._progress);
- this._reset();
- return result;
- },
+ /**
+ * @return {!WebInspector.JSHeapSnapshot}
+ */
+ buildSnapshot() {
+ this._progress.updateStatus('Processing snapshot\u2026');
+ var result = new WebInspector.JSHeapSnapshot(this._snapshot, this._progress);
+ this._reset();
+ return result;
+ }
- _parseUintArray: function()
- {
- var index = 0;
- var char0 = "0".charCodeAt(0), char9 = "9".charCodeAt(0), closingBracket = "]".charCodeAt(0);
- var length = this._json.length;
- while (true) {
- while (index < length) {
- var code = this._json.charCodeAt(index);
- if (char0 <= code && code <= char9)
- break;
- else if (code === closingBracket) {
- this._json = this._json.slice(index + 1);
- return false;
- }
- ++index;
- }
- if (index === length) {
- this._json = "";
- return true;
- }
- var nextNumber = 0;
- var startIndex = index;
- while (index < length) {
- var code = this._json.charCodeAt(index);
- if (char0 > code || code > char9)
- break;
- nextNumber *= 10;
- nextNumber += (code - char0);
- ++index;
- }
- if (index === length) {
- this._json = this._json.slice(startIndex);
- return true;
- }
- this._array[this._arrayIndex++] = nextNumber;
+ _parseUintArray() {
+ var index = 0;
+ var char0 = '0'.charCodeAt(0), char9 = '9'.charCodeAt(0), closingBracket = ']'.charCodeAt(0);
+ var length = this._json.length;
+ while (true) {
+ while (index < length) {
+ var code = this._json.charCodeAt(index);
+ if (char0 <= code && code <= char9)
+ break;
+ else if (code === closingBracket) {
+ this._json = this._json.slice(index + 1);
+ return false;
}
- },
-
- _parseStringsArray: function()
- {
- this._progress.updateStatus("Parsing strings\u2026");
- var closingBracketIndex = this._json.lastIndexOf("]");
- if (closingBracketIndex === -1)
- throw new Error("Incomplete JSON");
- this._json = this._json.slice(0, closingBracketIndex + 1);
- this._snapshot.strings = JSON.parse(this._json);
- },
+ ++index;
+ }
+ if (index === length) {
+ this._json = '';
+ return true;
+ }
+ var nextNumber = 0;
+ var startIndex = index;
+ while (index < length) {
+ var code = this._json.charCodeAt(index);
+ if (char0 > code || code > char9)
+ break;
+ nextNumber *= 10;
+ nextNumber += (code - char0);
+ ++index;
+ }
+ if (index === length) {
+ this._json = this._json.slice(startIndex);
+ return true;
+ }
+ this._array[this._arrayIndex++] = nextNumber;
+ }
+ }
- /**
- * @param {string} chunk
- */
- write: function(chunk)
- {
- if (this._json !== null)
- this._json += chunk;
- while (true) {
- switch (this._state) {
- case "find-snapshot-info": {
- var snapshotToken = "\"snapshot\"";
- var snapshotTokenIndex = this._json.indexOf(snapshotToken);
- if (snapshotTokenIndex === -1)
- throw new Error("Snapshot token not found");
+ _parseStringsArray() {
+ this._progress.updateStatus('Parsing strings\u2026');
+ var closingBracketIndex = this._json.lastIndexOf(']');
+ if (closingBracketIndex === -1)
+ throw new Error('Incomplete JSON');
+ this._json = this._json.slice(0, closingBracketIndex + 1);
+ this._snapshot.strings = JSON.parse(this._json);
+ }
- var json = this._json.slice(snapshotTokenIndex + snapshotToken.length + 1);
- this._state = "parse-snapshot-info";
- this._progress.updateStatus("Loading snapshot info\u2026");
- this._json = null; // tokenizer takes over input.
- this._jsonTokenizer = new WebInspector.TextUtils.BalancedJSONTokenizer(this._writeBalancedJSON.bind(this));
- // Fall through with adjusted payload.
- chunk = json;
- }
- case "parse-snapshot-info": {
- this._jsonTokenizer.write(chunk);
- if (this._jsonTokenizer)
- return; // no remainder to process.
- break;
- }
- case "find-nodes": {
- var nodesToken = "\"nodes\"";
- var nodesTokenIndex = this._json.indexOf(nodesToken);
- if (nodesTokenIndex === -1)
- return;
- var bracketIndex = this._json.indexOf("[", nodesTokenIndex);
- if (bracketIndex === -1)
- return;
- this._json = this._json.slice(bracketIndex + 1);
- var node_fields_count = this._snapshot.snapshot.meta.node_fields.length;
- var nodes_length = this._snapshot.snapshot.node_count * node_fields_count;
- this._array = new Uint32Array(nodes_length);
- this._arrayIndex = 0;
- this._state = "parse-nodes";
- break;
- }
- case "parse-nodes": {
- var hasMoreData = this._parseUintArray();
- this._progress.updateProgress("Loading nodes\u2026 %d%%", this._arrayIndex, this._array.length);
- if (hasMoreData)
- return;
- this._snapshot.nodes = this._array;
- this._state = "find-edges";
- this._array = null;
- break;
- }
- case "find-edges": {
- var edgesToken = "\"edges\"";
- var edgesTokenIndex = this._json.indexOf(edgesToken);
- if (edgesTokenIndex === -1)
- return;
- var bracketIndex = this._json.indexOf("[", edgesTokenIndex);
- if (bracketIndex === -1)
- return;
- this._json = this._json.slice(bracketIndex + 1);
- var edge_fields_count = this._snapshot.snapshot.meta.edge_fields.length;
- var edges_length = this._snapshot.snapshot.edge_count * edge_fields_count;
- this._array = new Uint32Array(edges_length);
- this._arrayIndex = 0;
- this._state = "parse-edges";
- break;
- }
- case "parse-edges": {
- var hasMoreData = this._parseUintArray();
- this._progress.updateProgress("Loading edges\u2026 %d%%", this._arrayIndex, this._array.length);
- if (hasMoreData)
- return;
- this._snapshot.edges = this._array;
- this._array = null;
- // If there is allocation info parse it, otherwise jump straight to strings.
- if (this._snapshot.snapshot.trace_function_count) {
- this._state = "find-trace-function-infos";
- this._progress.updateStatus("Loading allocation traces\u2026");
- } else if (this._snapshot.snapshot.meta.sample_fields) {
- this._state = "find-samples";
- this._progress.updateStatus("Loading samples\u2026");
- } else {
- this._state = "find-strings";
- }
- break;
- }
- case "find-trace-function-infos": {
- var tracesToken = "\"trace_function_infos\"";
- var tracesTokenIndex = this._json.indexOf(tracesToken);
- if (tracesTokenIndex === -1)
- return;
- var bracketIndex = this._json.indexOf("[", tracesTokenIndex);
- if (bracketIndex === -1)
- return;
- this._json = this._json.slice(bracketIndex + 1);
+ /**
+ * @param {string} chunk
+ */
+ write(chunk) {
+ if (this._json !== null)
+ this._json += chunk;
+ while (true) {
+ switch (this._state) {
+ case 'find-snapshot-info': {
+ var snapshotToken = '"snapshot"';
+ var snapshotTokenIndex = this._json.indexOf(snapshotToken);
+ if (snapshotTokenIndex === -1)
+ throw new Error('Snapshot token not found');
- var trace_function_info_field_count = this._snapshot.snapshot.meta.trace_function_info_fields.length;
- var trace_function_info_length = this._snapshot.snapshot.trace_function_count * trace_function_info_field_count;
- this._array = new Uint32Array(trace_function_info_length);
- this._arrayIndex = 0;
- this._state = "parse-trace-function-infos";
- break;
- }
- case "parse-trace-function-infos": {
- if (this._parseUintArray())
- return;
- this._snapshot.trace_function_infos = this._array;
- this._array = null;
- this._state = "find-trace-tree";
- break;
- }
- case "find-trace-tree": {
- var tracesToken = "\"trace_tree\"";
- var tracesTokenIndex = this._json.indexOf(tracesToken);
- if (tracesTokenIndex === -1)
- return;
- var bracketIndex = this._json.indexOf("[", tracesTokenIndex);
- if (bracketIndex === -1)
- return;
- this._json = this._json.slice(bracketIndex);
- this._state = "parse-trace-tree";
- break;
- }
- case "parse-trace-tree": {
- // If there is samples array parse it, otherwise jump straight to strings.
- var nextToken = this._snapshot.snapshot.meta.sample_fields ? "\"samples\"" : "\"strings\"";
- var nextTokenIndex = this._json.indexOf(nextToken);
- if (nextTokenIndex === -1)
- return;
- var bracketIndex = this._json.lastIndexOf("]", nextTokenIndex);
- this._snapshot.trace_tree = JSON.parse(this._json.substring(0, bracketIndex + 1));
- this._json = this._json.slice(bracketIndex + 1);
- if (this._snapshot.snapshot.meta.sample_fields) {
- this._state = "find-samples";
- this._progress.updateStatus("Loading samples\u2026");
- } else {
- this._state = "find-strings";
- this._progress.updateStatus("Loading strings\u2026");
- }
- break;
- }
- case "find-samples": {
- var samplesToken = "\"samples\"";
- var samplesTokenIndex = this._json.indexOf(samplesToken);
- if (samplesTokenIndex === -1)
- return;
- var bracketIndex = this._json.indexOf("[", samplesTokenIndex);
- if (bracketIndex === -1)
- return;
- this._json = this._json.slice(bracketIndex + 1);
- this._array = [];
- this._arrayIndex = 0;
- this._state = "parse-samples";
- break;
- }
- case "parse-samples": {
- if (this._parseUintArray())
- return;
- this._snapshot.samples = this._array;
- this._array = null;
- this._state = "find-strings";
- this._progress.updateStatus("Loading strings\u2026");
- break;
- }
- case "find-strings": {
- var stringsToken = "\"strings\"";
- var stringsTokenIndex = this._json.indexOf(stringsToken);
- if (stringsTokenIndex === -1)
- return;
- var bracketIndex = this._json.indexOf("[", stringsTokenIndex);
- if (bracketIndex === -1)
- return;
- this._json = this._json.slice(bracketIndex);
- this._state = "accumulate-strings";
- break;
- }
- case "accumulate-strings":
- return;
- }
+ var json = this._json.slice(snapshotTokenIndex + snapshotToken.length + 1);
+ this._state = 'parse-snapshot-info';
+ this._progress.updateStatus('Loading snapshot info\u2026');
+ this._json = null; // tokenizer takes over input.
+ this._jsonTokenizer = new WebInspector.TextUtils.BalancedJSONTokenizer(this._writeBalancedJSON.bind(this));
+ // Fall through with adjusted payload.
+ chunk = json;
+ }
+ case 'parse-snapshot-info': {
+ this._jsonTokenizer.write(chunk);
+ if (this._jsonTokenizer)
+ return; // no remainder to process.
+ break;
+ }
+ case 'find-nodes': {
+ var nodesToken = '"nodes"';
+ var nodesTokenIndex = this._json.indexOf(nodesToken);
+ if (nodesTokenIndex === -1)
+ return;
+ var bracketIndex = this._json.indexOf('[', nodesTokenIndex);
+ if (bracketIndex === -1)
+ return;
+ this._json = this._json.slice(bracketIndex + 1);
+ var node_fields_count = this._snapshot.snapshot.meta.node_fields.length;
+ var nodes_length = this._snapshot.snapshot.node_count * node_fields_count;
+ this._array = new Uint32Array(nodes_length);
+ this._arrayIndex = 0;
+ this._state = 'parse-nodes';
+ break;
+ }
+ case 'parse-nodes': {
+ var hasMoreData = this._parseUintArray();
+ this._progress.updateProgress('Loading nodes\u2026 %d%%', this._arrayIndex, this._array.length);
+ if (hasMoreData)
+ return;
+ this._snapshot.nodes = this._array;
+ this._state = 'find-edges';
+ this._array = null;
+ break;
+ }
+ case 'find-edges': {
+ var edgesToken = '"edges"';
+ var edgesTokenIndex = this._json.indexOf(edgesToken);
+ if (edgesTokenIndex === -1)
+ return;
+ var bracketIndex = this._json.indexOf('[', edgesTokenIndex);
+ if (bracketIndex === -1)
+ return;
+ this._json = this._json.slice(bracketIndex + 1);
+ var edge_fields_count = this._snapshot.snapshot.meta.edge_fields.length;
+ var edges_length = this._snapshot.snapshot.edge_count * edge_fields_count;
+ this._array = new Uint32Array(edges_length);
+ this._arrayIndex = 0;
+ this._state = 'parse-edges';
+ break;
}
- },
+ case 'parse-edges': {
+ var hasMoreData = this._parseUintArray();
+ this._progress.updateProgress('Loading edges\u2026 %d%%', this._arrayIndex, this._array.length);
+ if (hasMoreData)
+ return;
+ this._snapshot.edges = this._array;
+ this._array = null;
+ // If there is allocation info parse it, otherwise jump straight to strings.
+ if (this._snapshot.snapshot.trace_function_count) {
+ this._state = 'find-trace-function-infos';
+ this._progress.updateStatus('Loading allocation traces\u2026');
+ } else if (this._snapshot.snapshot.meta.sample_fields) {
+ this._state = 'find-samples';
+ this._progress.updateStatus('Loading samples\u2026');
+ } else {
+ this._state = 'find-strings';
+ }
+ break;
+ }
+ case 'find-trace-function-infos': {
+ var tracesToken = '"trace_function_infos"';
+ var tracesTokenIndex = this._json.indexOf(tracesToken);
+ if (tracesTokenIndex === -1)
+ return;
+ var bracketIndex = this._json.indexOf('[', tracesTokenIndex);
+ if (bracketIndex === -1)
+ return;
+ this._json = this._json.slice(bracketIndex + 1);
- /**
- * @param {string} data
- */
- _writeBalancedJSON: function(data)
- {
- this._json = this._jsonTokenizer.remainder(); // tokenizer releases input.
- this._jsonTokenizer = null;
- this._state = "find-nodes";
- this._snapshot.snapshot = /** @type {!HeapSnapshotHeader} */ (JSON.parse(data));
+ var trace_function_info_field_count = this._snapshot.snapshot.meta.trace_function_info_fields.length;
+ var trace_function_info_length =
+ this._snapshot.snapshot.trace_function_count * trace_function_info_field_count;
+ this._array = new Uint32Array(trace_function_info_length);
+ this._arrayIndex = 0;
+ this._state = 'parse-trace-function-infos';
+ break;
+ }
+ case 'parse-trace-function-infos': {
+ if (this._parseUintArray())
+ return;
+ this._snapshot.trace_function_infos = this._array;
+ this._array = null;
+ this._state = 'find-trace-tree';
+ break;
+ }
+ case 'find-trace-tree': {
+ var tracesToken = '"trace_tree"';
+ var tracesTokenIndex = this._json.indexOf(tracesToken);
+ if (tracesTokenIndex === -1)
+ return;
+ var bracketIndex = this._json.indexOf('[', tracesTokenIndex);
+ if (bracketIndex === -1)
+ return;
+ this._json = this._json.slice(bracketIndex);
+ this._state = 'parse-trace-tree';
+ break;
+ }
+ case 'parse-trace-tree': {
+ // If there is samples array parse it, otherwise jump straight to strings.
+ var nextToken = this._snapshot.snapshot.meta.sample_fields ? '"samples"' : '"strings"';
+ var nextTokenIndex = this._json.indexOf(nextToken);
+ if (nextTokenIndex === -1)
+ return;
+ var bracketIndex = this._json.lastIndexOf(']', nextTokenIndex);
+ this._snapshot.trace_tree = JSON.parse(this._json.substring(0, bracketIndex + 1));
+ this._json = this._json.slice(bracketIndex + 1);
+ if (this._snapshot.snapshot.meta.sample_fields) {
+ this._state = 'find-samples';
+ this._progress.updateStatus('Loading samples\u2026');
+ } else {
+ this._state = 'find-strings';
+ this._progress.updateStatus('Loading strings\u2026');
+ }
+ break;
+ }
+ case 'find-samples': {
+ var samplesToken = '"samples"';
+ var samplesTokenIndex = this._json.indexOf(samplesToken);
+ if (samplesTokenIndex === -1)
+ return;
+ var bracketIndex = this._json.indexOf('[', samplesTokenIndex);
+ if (bracketIndex === -1)
+ return;
+ this._json = this._json.slice(bracketIndex + 1);
+ this._array = [];
+ this._arrayIndex = 0;
+ this._state = 'parse-samples';
+ break;
+ }
+ case 'parse-samples': {
+ if (this._parseUintArray())
+ return;
+ this._snapshot.samples = this._array;
+ this._array = null;
+ this._state = 'find-strings';
+ this._progress.updateStatus('Loading strings\u2026');
+ break;
+ }
+ case 'find-strings': {
+ var stringsToken = '"strings"';
+ var stringsTokenIndex = this._json.indexOf(stringsToken);
+ if (stringsTokenIndex === -1)
+ return;
+ var bracketIndex = this._json.indexOf('[', stringsTokenIndex);
+ if (bracketIndex === -1)
+ return;
+ this._json = this._json.slice(bracketIndex);
+ this._state = 'accumulate-strings';
+ break;
+ }
+ case 'accumulate-strings':
+ return;
+ }
}
+ }
+
+ /**
+ * @param {string} data
+ */
+ _writeBalancedJSON(data) {
+ this._json = this._jsonTokenizer.remainder(); // tokenizer releases input.
+ this._jsonTokenizer = null;
+ this._state = 'find-nodes';
+ this._snapshot.snapshot = /** @type {!HeapSnapshotHeader} */ (JSON.parse(data));
+ }
};

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