Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F100979829
AMDDefineDependencyParserPlugin.js
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Tue, Feb 4, 12:07
Size
9 KB
Mime Type
text/x-c++
Expires
Thu, Feb 6, 12:07 (1 d, 21 h)
Engine
blob
Format
Raw Data
Handle
24062264
Attached To
rOACCT Open Access Compliance Check Tool (OACCT)
AMDDefineDependencyParserPlugin.js
View Options
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const AMDDefineDependency = require("./AMDDefineDependency");
const AMDRequireArrayDependency = require("./AMDRequireArrayDependency");
const AMDRequireContextDependency = require("./AMDRequireContextDependency");
const AMDRequireItemDependency = require("./AMDRequireItemDependency");
const ConstDependency = require("./ConstDependency");
const ContextDependencyHelpers = require("./ContextDependencyHelpers");
const DynamicExports = require("./DynamicExports");
const LocalModuleDependency = require("./LocalModuleDependency");
const { addLocalModule, getLocalModule } = require("./LocalModulesHelpers");
const isBoundFunctionExpression = expr => {
if (expr.type !== "CallExpression") return false;
if (expr.callee.type !== "MemberExpression") return false;
if (expr.callee.computed) return false;
if (expr.callee.object.type !== "FunctionExpression") return false;
if (expr.callee.property.type !== "Identifier") return false;
if (expr.callee.property.name !== "bind") return false;
return true;
};
const isUnboundFunctionExpression = expr => {
if (expr.type === "FunctionExpression") return true;
if (expr.type === "ArrowFunctionExpression") return true;
return false;
};
const isCallable = expr => {
if (isUnboundFunctionExpression(expr)) return true;
if (isBoundFunctionExpression(expr)) return true;
return false;
};
class AMDDefineDependencyParserPlugin {
constructor(options) {
this.options = options;
}
apply(parser) {
parser.hooks.call
.for("define")
.tap(
"AMDDefineDependencyParserPlugin",
this.processCallDefine.bind(this, parser)
);
}
processArray(parser, expr, param, identifiers, namedModule) {
if (param.isArray()) {
param.items.forEach((param, idx) => {
if (
param.isString() &&
["require", "module", "exports"].includes(param.string)
)
identifiers[idx] = param.string;
const result = this.processItem(parser, expr, param, namedModule);
if (result === undefined) {
this.processContext(parser, expr, param);
}
});
return true;
} else if (param.isConstArray()) {
const deps = [];
param.array.forEach((request, idx) => {
let dep;
let localModule;
if (request === "require") {
identifiers[idx] = request;
dep = "__webpack_require__";
} else if (["exports", "module"].includes(request)) {
identifiers[idx] = request;
dep = request;
} else if ((localModule = getLocalModule(parser.state, request))) {
localModule.flagUsed();
dep = new LocalModuleDependency(localModule, undefined, false);
dep.loc = expr.loc;
parser.state.module.addPresentationalDependency(dep);
} else {
dep = this.newRequireItemDependency(request);
dep.loc = expr.loc;
dep.optional = !!parser.scope.inTry;
parser.state.current.addDependency(dep);
}
deps.push(dep);
});
const dep = this.newRequireArrayDependency(deps, param.range);
dep.loc = expr.loc;
dep.optional = !!parser.scope.inTry;
parser.state.module.addPresentationalDependency(dep);
return true;
}
}
processItem(parser, expr, param, namedModule) {
if (param.isConditional()) {
param.options.forEach(param => {
const result = this.processItem(parser, expr, param);
if (result === undefined) {
this.processContext(parser, expr, param);
}
});
return true;
} else if (param.isString()) {
let dep, localModule;
if (param.string === "require") {
dep = new ConstDependency("__webpack_require__", param.range, [
RuntimeGlobals.require
]);
} else if (param.string === "exports") {
dep = new ConstDependency("exports", param.range, [
RuntimeGlobals.exports
]);
} else if (param.string === "module") {
dep = new ConstDependency("module", param.range, [
RuntimeGlobals.module
]);
} else if (
(localModule = getLocalModule(parser.state, param.string, namedModule))
) {
localModule.flagUsed();
dep = new LocalModuleDependency(localModule, param.range, false);
} else {
dep = this.newRequireItemDependency(param.string, param.range);
dep.optional = !!parser.scope.inTry;
parser.state.current.addDependency(dep);
return true;
}
dep.loc = expr.loc;
parser.state.module.addPresentationalDependency(dep);
return true;
}
}
processContext(parser, expr, param) {
const dep = ContextDependencyHelpers.create(
AMDRequireContextDependency,
param.range,
param,
expr,
this.options,
{
category: "amd"
},
parser
);
if (!dep) return;
dep.loc = expr.loc;
dep.optional = !!parser.scope.inTry;
parser.state.current.addDependency(dep);
return true;
}
processCallDefine(parser, expr) {
let array, fn, obj, namedModule;
switch (expr.arguments.length) {
case 1:
if (isCallable(expr.arguments[0])) {
// define(f() {…})
fn = expr.arguments[0];
} else if (expr.arguments[0].type === "ObjectExpression") {
// define({…})
obj = expr.arguments[0];
} else {
// define(expr)
// unclear if function or object
obj = fn = expr.arguments[0];
}
break;
case 2:
if (expr.arguments[0].type === "Literal") {
namedModule = expr.arguments[0].value;
// define("…", …)
if (isCallable(expr.arguments[1])) {
// define("…", f() {…})
fn = expr.arguments[1];
} else if (expr.arguments[1].type === "ObjectExpression") {
// define("…", {…})
obj = expr.arguments[1];
} else {
// define("…", expr)
// unclear if function or object
obj = fn = expr.arguments[1];
}
} else {
array = expr.arguments[0];
if (isCallable(expr.arguments[1])) {
// define([…], f() {})
fn = expr.arguments[1];
} else if (expr.arguments[1].type === "ObjectExpression") {
// define([…], {…})
obj = expr.arguments[1];
} else {
// define([…], expr)
// unclear if function or object
obj = fn = expr.arguments[1];
}
}
break;
case 3:
// define("…", […], f() {…})
namedModule = expr.arguments[0].value;
array = expr.arguments[1];
if (isCallable(expr.arguments[2])) {
// define("…", […], f() {})
fn = expr.arguments[2];
} else if (expr.arguments[2].type === "ObjectExpression") {
// define("…", […], {…})
obj = expr.arguments[2];
} else {
// define("…", […], expr)
// unclear if function or object
obj = fn = expr.arguments[2];
}
break;
default:
return;
}
DynamicExports.bailout(parser.state);
let fnParams = null;
let fnParamsOffset = 0;
if (fn) {
if (isUnboundFunctionExpression(fn)) {
fnParams = fn.params;
} else if (isBoundFunctionExpression(fn)) {
fnParams = fn.callee.object.params;
fnParamsOffset = fn.arguments.length - 1;
if (fnParamsOffset < 0) {
fnParamsOffset = 0;
}
}
}
let fnRenames = new Map();
if (array) {
const identifiers = {};
const param = parser.evaluateExpression(array);
const result = this.processArray(
parser,
expr,
param,
identifiers,
namedModule
);
if (!result) return;
if (fnParams) {
fnParams = fnParams.slice(fnParamsOffset).filter((param, idx) => {
if (identifiers[idx]) {
fnRenames.set(param.name, parser.getVariableInfo(identifiers[idx]));
return false;
}
return true;
});
}
} else {
const identifiers = ["require", "exports", "module"];
if (fnParams) {
fnParams = fnParams.slice(fnParamsOffset).filter((param, idx) => {
if (identifiers[idx]) {
fnRenames.set(param.name, parser.getVariableInfo(identifiers[idx]));
return false;
}
return true;
});
}
}
let inTry;
if (fn && isUnboundFunctionExpression(fn)) {
inTry = parser.scope.inTry;
parser.inScope(fnParams, () => {
for (const [name, varInfo] of fnRenames) {
parser.setVariable(name, varInfo);
}
parser.scope.inTry = inTry;
if (fn.body.type === "BlockStatement") {
parser.walkStatement(fn.body);
} else {
parser.walkExpression(fn.body);
}
});
} else if (fn && isBoundFunctionExpression(fn)) {
inTry = parser.scope.inTry;
parser.inScope(
fn.callee.object.params.filter(
i => !["require", "module", "exports"].includes(i.name)
),
() => {
for (const [name, varInfo] of fnRenames) {
parser.setVariable(name, varInfo);
}
parser.scope.inTry = inTry;
if (fn.callee.object.body.type === "BlockStatement") {
parser.walkStatement(fn.callee.object.body);
} else {
parser.walkExpression(fn.callee.object.body);
}
}
);
if (fn.arguments) {
parser.walkExpressions(fn.arguments);
}
} else if (fn || obj) {
parser.walkExpression(fn || obj);
}
const dep = this.newDefineDependency(
expr.range,
array ? array.range : null,
fn ? fn.range : null,
obj ? obj.range : null,
namedModule ? namedModule : null
);
dep.loc = expr.loc;
if (namedModule) {
dep.localModule = addLocalModule(parser.state, namedModule);
}
parser.state.module.addPresentationalDependency(dep);
return true;
}
newDefineDependency(
range,
arrayRange,
functionRange,
objectRange,
namedModule
) {
return new AMDDefineDependency(
range,
arrayRange,
functionRange,
objectRange,
namedModule
);
}
newRequireArrayDependency(depsArray, range) {
return new AMDRequireArrayDependency(depsArray, range);
}
newRequireItemDependency(request, range) {
return new AMDRequireItemDependency(request, range);
}
}
module.exports = AMDDefineDependencyParserPlugin;
Event Timeline
Log In to Comment