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Unified Diff: chrome/test/data/cross_site_iframe_factory_parser.js

Issue 1252943009: First stab at a test for site isolation metrics_memory_details (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@histogram_tester3
Patch Set: Created 5 years, 5 months ago
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Index: chrome/test/data/cross_site_iframe_factory_parser.js
diff --git a/chrome/test/data/cross_site_iframe_factory_parser.js b/chrome/test/data/cross_site_iframe_factory_parser.js
new file mode 100644
index 0000000000000000000000000000000000000000..eee6ec79b964c5a9b86072a14792b5ac5f16e9b3
--- /dev/null
+++ b/chrome/test/data/cross_site_iframe_factory_parser.js
@@ -0,0 +1,553 @@
+// Generated by PEG.js 0.8.0. http://pegjs.majda.cz/
+//
+// ======================================================
+// This file contains a parser for the following grammar:
+// ======================================================
+//
+// start = " "* name:$[a-zA-Z.]+ " "* children:ExprList {
+// return {site:name, frames:children};
+// }
+//
+// ExprList = "(" l:CommaSeparatedChildExprs ")" { return l; }
+// / "(" " "* ")" { return [];}
+// / {return [];}
+//
+// CommaSeparatedChildExprs = start:(e:ChildExpr " "* "," " "* {return e;})*
+// last:ChildExpr " "* {
+// return start.concat(last);
+// }
+//
+// ChildExpr = " "* name:$[a-zA-Z.]+ " "* children:$ExprList {
+// return {site:name, args: name + " " + children};
+// }
+//
+// ============================================================================
+// Example input / output:
+// ============================================================================
+// input =
+// "a.com (y.com ( ) , x.org, z.net (c.org, z.com (a.com, d.net())))";
+//
+// output = {
+// "site": "a.com",
+// "frames": [
+// {
+// "site": "b.com",
+// "args": "b.com ( )"
+// },
+// {
+// "site": "c.dotcom",
+// "args": "c.dotcom "
+// },
+// {
+// "site": "d.com",
+// "args": "d.com ( fcom , dcom ( com, com( ) ) )"
+// }
+// ]
+// };
+
+query_parser = (function() {
+ function peg$subclass(child, parent) {
+ function ctor() { this.constructor = child; }
+ ctor.prototype = parent.prototype;
+ child.prototype = new ctor();
+ }
+
+ function SyntaxError(message, expected, found, offset, line, column) {
+ this.message = message;
+ this.expected = expected;
+ this.found = found;
+ this.offset = offset;
+ this.line = line;
+ this.column = column;
+
+ this.name = "SyntaxError";
+ }
+
+ peg$subclass(SyntaxError, Error);
+
+ function parse(input) {
+ var options = arguments.length > 1 ? arguments[1] : {},
+
+ peg$FAILED = {},
+
+ peg$startRuleIndices = { start: 0 },
+ peg$startRuleIndex = 0,
+
+ peg$consts = [
+ peg$FAILED,
+ [],
+ " ",
+ { type: "literal", value: " ", description: "\" \"" },
+ /^[a-zA-Z.]/,
+ { type: "class", value: "[a-zA-Z.]", description: "[a-zA-Z.]" },
+ function(name, children) {
+ return {site:name, frames:children};
+ },
+ "(",
+ { type: "literal", value: "(", description: "\"(\"" },
+ ")",
+ { type: "literal", value: ")", description: "\")\"" },
+ function(l) { return l; },
+ function() { return [];},
+ function() {return [];},
+ ",",
+ { type: "literal", value: ",", description: "\",\"" },
+ function(e) {return e;},
+ function(start, last) {
+ return start.concat(last);
+ },
+ function(name, children) {
+ return {site:name, args: name + " " + children};
+ }
+ ],
+
+ peg$bytecode = [
+ peg$decode("! !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+|$! !0$\"\"1!3%+,$,)&0$\"\"1!3%\"\"\" +! (%+Q% !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+3%7!+)%4$6&$\"\" %$$# $## $\"# \"# "),
+ peg$decode("!.'\"\"2'3(+B$7\"+8%.)\"\"2)3*+(%4#6+#!!%$## $\"# \"# *w \"!.'\"\"2'3(+U$ !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+7%.)\"\"2)3*+'%4#6,# %$## $\"# \"# *. \"! !+& 4!6-! %"),
+ peg$decode("! !!7#+t$ !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+V%..\"\"2.3/+F% !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+(%4$60$!#%$$# $## $\"# \"# ,&!7#+t$ !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+V%..\"\"2.3/+F% !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+(%4$60$!#%$$# $## $\"# \"# \"+Q$7#+G% !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+)%4#61#\"\"!%$## $\"# \"# "),
+ peg$decode("! !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+\x82$! !0$\"\"1!3%+,$,)&0$\"\"1!3%\"\"\" +! (%+W% !.\"\"\"2\"3#,)&.\"\"\"2\"3#\"+9%!7!+! (%+)%4$62$\"\" %$$# $## $\"# \"# ")
+ ],
+
+ peg$currPos = 0,
+ peg$reportedPos = 0,
+ peg$cachedPos = 0,
+ peg$cachedPosDetails = { line: 1, column: 1, seenCR: false },
+ peg$maxFailPos = 0,
+ peg$maxFailExpected = [],
+ peg$silentFails = 0,
+
+ peg$result;
+
+ if ("startRule" in options) {
+ if (!(options.startRule in peg$startRuleIndices)) {
+ throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
+ }
+
+ peg$startRuleIndex = peg$startRuleIndices[options.startRule];
+ }
+
+ function text() {
+ return input.substring(peg$reportedPos, peg$currPos);
+ }
+
+ function offset() {
+ return peg$reportedPos;
+ }
+
+ function line() {
+ return peg$computePosDetails(peg$reportedPos).line;
+ }
+
+ function column() {
+ return peg$computePosDetails(peg$reportedPos).column;
+ }
+
+ function expected(description) {
+ throw peg$buildException(
+ null,
+ [{ type: "other", description: description }],
+ peg$reportedPos
+ );
+ }
+
+ function error(message) {
+ throw peg$buildException(message, null, peg$reportedPos);
+ }
+
+ function peg$computePosDetails(pos) {
+ function advance(details, startPos, endPos) {
+ var p, ch;
+
+ for (p = startPos; p < endPos; p++) {
+ ch = input.charAt(p);
+ if (ch === "\n") {
+ if (!details.seenCR) { details.line++; }
+ details.column = 1;
+ details.seenCR = false;
+ } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
+ details.line++;
+ details.column = 1;
+ details.seenCR = true;
+ } else {
+ details.column++;
+ details.seenCR = false;
+ }
+ }
+ }
+
+ if (peg$cachedPos !== pos) {
+ if (peg$cachedPos > pos) {
+ peg$cachedPos = 0;
+ peg$cachedPosDetails = { line: 1, column: 1, seenCR: false };
+ }
+ advance(peg$cachedPosDetails, peg$cachedPos, pos);
+ peg$cachedPos = pos;
+ }
+
+ return peg$cachedPosDetails;
+ }
+
+ function peg$fail(expected) {
+ if (peg$currPos < peg$maxFailPos) { return; }
+
+ if (peg$currPos > peg$maxFailPos) {
+ peg$maxFailPos = peg$currPos;
+ peg$maxFailExpected = [];
+ }
+
+ peg$maxFailExpected.push(expected);
+ }
+
+ function peg$buildException(message, expected, pos) {
+ function cleanupExpected(expected) {
+ var i = 1;
+
+ expected.sort(function(a, b) {
+ if (a.description < b.description) {
+ return -1;
+ } else if (a.description > b.description) {
+ return 1;
+ } else {
+ return 0;
+ }
+ });
+
+ while (i < expected.length) {
+ if (expected[i - 1] === expected[i]) {
+ expected.splice(i, 1);
+ } else {
+ i++;
+ }
+ }
+ }
+
+ function buildMessage(expected, found) {
+ function stringEscape(s) {
+ function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }
+
+ return s
+ .replace(/\\/g, '\\\\')
+ .replace(/"/g, '\\"')
+ .replace(/\x08/g, '\\b')
+ .replace(/\t/g, '\\t')
+ .replace(/\n/g, '\\n')
+ .replace(/\f/g, '\\f')
+ .replace(/\r/g, '\\r')
+ .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
+ .replace(/[\x10-\x1F\x80-\xFF]/g, function(ch) { return '\\x' + hex(ch); })
+ .replace(/[\u0180-\u0FFF]/g, function(ch) { return '\\u0' + hex(ch); })
+ .replace(/[\u1080-\uFFFF]/g, function(ch) { return '\\u' + hex(ch); });
+ }
+
+ var expectedDescs = new Array(expected.length),
+ expectedDesc, foundDesc, i;
+
+ for (i = 0; i < expected.length; i++) {
+ expectedDescs[i] = expected[i].description;
+ }
+
+ expectedDesc = expected.length > 1
+ ? expectedDescs.slice(0, -1).join(", ")
+ + " or "
+ + expectedDescs[expected.length - 1]
+ : expectedDescs[0];
+
+ foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";
+
+ return "Expected " + expectedDesc + " but " + foundDesc + " found.";
+ }
+
+ var posDetails = peg$computePosDetails(pos),
+ found = pos < input.length ? input.charAt(pos) : null;
+
+ if (expected !== null) {
+ cleanupExpected(expected);
+ }
+
+ return new SyntaxError(
+ message !== null ? message : buildMessage(expected, found),
+ expected,
+ found,
+ pos,
+ posDetails.line,
+ posDetails.column
+ );
+ }
+
+ function peg$decode(s) {
+ var bc = new Array(s.length), i;
+
+ for (i = 0; i < s.length; i++) {
+ bc[i] = s.charCodeAt(i) - 32;
+ }
+
+ return bc;
+ }
+
+ function peg$parseRule(index) {
+ var bc = peg$bytecode[index],
+ ip = 0,
+ ips = [],
+ end = bc.length,
+ ends = [],
+ stack = [],
+ params, i;
+
+ function protect(object) {
+ return Object.prototype.toString.apply(object) === "[object Array]" ? [] : object;
+ }
+
+ while (true) {
+ while (ip < end) {
+ switch (bc[ip]) {
+ case 0:
+ stack.push(protect(peg$consts[bc[ip + 1]]));
+ ip += 2;
+ break;
+
+ case 1:
+ stack.push(peg$currPos);
+ ip++;
+ break;
+
+ case 2:
+ stack.pop();
+ ip++;
+ break;
+
+ case 3:
+ peg$currPos = stack.pop();
+ ip++;
+ break;
+
+ case 4:
+ stack.length -= bc[ip + 1];
+ ip += 2;
+ break;
+
+ case 5:
+ stack.splice(-2, 1);
+ ip++;
+ break;
+
+ case 6:
+ stack[stack.length - 2].push(stack.pop());
+ ip++;
+ break;
+
+ case 7:
+ stack.push(stack.splice(stack.length - bc[ip + 1], bc[ip + 1]));
+ ip += 2;
+ break;
+
+ case 8:
+ stack.pop();
+ stack.push(input.substring(stack[stack.length - 1], peg$currPos));
+ ip++;
+ break;
+
+ case 9:
+ ends.push(end);
+ ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
+
+ if (stack[stack.length - 1]) {
+ end = ip + 3 + bc[ip + 1];
+ ip += 3;
+ } else {
+ end = ip + 3 + bc[ip + 1] + bc[ip + 2];
+ ip += 3 + bc[ip + 1];
+ }
+
+ break;
+
+ case 10:
+ ends.push(end);
+ ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
+
+ if (stack[stack.length - 1] === peg$FAILED) {
+ end = ip + 3 + bc[ip + 1];
+ ip += 3;
+ } else {
+ end = ip + 3 + bc[ip + 1] + bc[ip + 2];
+ ip += 3 + bc[ip + 1];
+ }
+
+ break;
+
+ case 11:
+ ends.push(end);
+ ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
+
+ if (stack[stack.length - 1] !== peg$FAILED) {
+ end = ip + 3 + bc[ip + 1];
+ ip += 3;
+ } else {
+ end = ip + 3 + bc[ip + 1] + bc[ip + 2];
+ ip += 3 + bc[ip + 1];
+ }
+
+ break;
+
+ case 12:
+ if (stack[stack.length - 1] !== peg$FAILED) {
+ ends.push(end);
+ ips.push(ip);
+
+ end = ip + 2 + bc[ip + 1];
+ ip += 2;
+ } else {
+ ip += 2 + bc[ip + 1];
+ }
+
+ break;
+
+ case 13:
+ ends.push(end);
+ ips.push(ip + 3 + bc[ip + 1] + bc[ip + 2]);
+
+ if (input.length > peg$currPos) {
+ end = ip + 3 + bc[ip + 1];
+ ip += 3;
+ } else {
+ end = ip + 3 + bc[ip + 1] + bc[ip + 2];
+ ip += 3 + bc[ip + 1];
+ }
+
+ break;
+
+ case 14:
+ ends.push(end);
+ ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]);
+
+ if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length) === peg$consts[bc[ip + 1]]) {
+ end = ip + 4 + bc[ip + 2];
+ ip += 4;
+ } else {
+ end = ip + 4 + bc[ip + 2] + bc[ip + 3];
+ ip += 4 + bc[ip + 2];
+ }
+
+ break;
+
+ case 15:
+ ends.push(end);
+ ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]);
+
+ if (input.substr(peg$currPos, peg$consts[bc[ip + 1]].length).toLowerCase() === peg$consts[bc[ip + 1]]) {
+ end = ip + 4 + bc[ip + 2];
+ ip += 4;
+ } else {
+ end = ip + 4 + bc[ip + 2] + bc[ip + 3];
+ ip += 4 + bc[ip + 2];
+ }
+
+ break;
+
+ case 16:
+ ends.push(end);
+ ips.push(ip + 4 + bc[ip + 2] + bc[ip + 3]);
+
+ if (peg$consts[bc[ip + 1]].test(input.charAt(peg$currPos))) {
+ end = ip + 4 + bc[ip + 2];
+ ip += 4;
+ } else {
+ end = ip + 4 + bc[ip + 2] + bc[ip + 3];
+ ip += 4 + bc[ip + 2];
+ }
+
+ break;
+
+ case 17:
+ stack.push(input.substr(peg$currPos, bc[ip + 1]));
+ peg$currPos += bc[ip + 1];
+ ip += 2;
+ break;
+
+ case 18:
+ stack.push(peg$consts[bc[ip + 1]]);
+ peg$currPos += peg$consts[bc[ip + 1]].length;
+ ip += 2;
+ break;
+
+ case 19:
+ stack.push(peg$FAILED);
+ if (peg$silentFails === 0) {
+ peg$fail(peg$consts[bc[ip + 1]]);
+ }
+ ip += 2;
+ break;
+
+ case 20:
+ peg$reportedPos = stack[stack.length - 1 - bc[ip + 1]];
+ ip += 2;
+ break;
+
+ case 21:
+ peg$reportedPos = peg$currPos;
+ ip++;
+ break;
+
+ case 22:
+ params = bc.slice(ip + 4, ip + 4 + bc[ip + 3]);
+ for (i = 0; i < bc[ip + 3]; i++) {
+ params[i] = stack[stack.length - 1 - params[i]];
+ }
+
+ stack.splice(
+ stack.length - bc[ip + 2],
+ bc[ip + 2],
+ peg$consts[bc[ip + 1]].apply(null, params)
+ );
+
+ ip += 4 + bc[ip + 3];
+ break;
+
+ case 23:
+ stack.push(peg$parseRule(bc[ip + 1]));
+ ip += 2;
+ break;
+
+ case 24:
+ peg$silentFails++;
+ ip++;
+ break;
+
+ case 25:
+ peg$silentFails--;
+ ip++;
+ break;
+
+ default:
+ throw new Error("Invalid opcode: " + bc[ip] + ".");
+ }
+ }
+
+ if (ends.length > 0) {
+ end = ends.pop();
+ ip = ips.pop();
+ } else {
+ break;
+ }
+ }
+
+ return stack[0];
+ }
+
+ peg$result = peg$parseRule(peg$startRuleIndex);
+
+ if (peg$result !== peg$FAILED && peg$currPos === input.length) {
+ return peg$result;
+ } else {
+ if (peg$result !== peg$FAILED && peg$currPos < input.length) {
+ peg$fail({ type: "end", description: "end of input" });
+ }
+
+ throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos);
+ }
+ }
+
+ return {
+ SyntaxError: SyntaxError,
+ parse: parse
+ };
+})();
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