text: /*
  	MIT License http://www.opensource.org/licenses/mit-license.php
  	Author Tobias Koppers @sokra
  */
  var AMDRequireItemDependency = require("./AMDRequireItemDependency");
  var AMDRequireContextDependency = require("./AMDRequireContextDependency");
  var ConstDependency = require("./ConstDependency");
  var AMDDefineDependency = require("./AMDDefineDependency");
  var AMDRequireArrayDependency = require("./AMDRequireArrayDependency");
  var LocalModuleDependency = require("./LocalModuleDependency");
  var ContextDependencyHelpers = require("./ContextDependencyHelpers");
  var LocalModulesHelpers = require("./LocalModulesHelpers");
  
  function 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;
  }
  
  function AMDDefineDependencyParserPlugin(options) {
  	this.options = options;
  }
  
  module.exports = AMDDefineDependencyParserPlugin;
  AMDDefineDependencyParserPlugin.prototype.apply = function(parser) {
  	var options = this.options;
  	parser.plugin("call define", function(expr) {
  		var array, fn, obj, namedModule;
  		switch(expr.arguments.length) {
  			case 1:
  				if(expr.arguments[0].type === "FunctionExpression" || isBoundFunctionExpression(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(expr.arguments[1].type === "FunctionExpression" || isBoundFunctionExpression(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(expr.arguments[1].type === "FunctionExpression" || isBoundFunctionExpression(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(expr.arguments[2].type === "FunctionExpression" || isBoundFunctionExpression(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;
  		}
  		var fnParams = null;
  		var fnParamsOffset = 0;
  		if(fn) {
  			if(fn.type === "FunctionExpression") fnParams = fn.params;
  			else if(isBoundFunctionExpression(fn)) {
  				fnParams = fn.callee.object.params;
  				fnParamsOffset = fn.arguments.length - 1;
  				if(fnParamsOffset < 0) fnParamsOffset = 0;
  			}
  		}
  		var fnRenames = Object.create(this.scope.renames);
  		var identifiers;
  		if(array) {
  			identifiers = {};
  			var param = this.evaluateExpression(array);
  			var result = this.applyPluginsBailResult("call define:amd:array", expr, param, identifiers, namedModule);
  			if(!result) return;
  			if(fnParams) fnParams = fnParams.slice(fnParamsOffset).filter(function(param, idx) {
  				if(identifiers[idx]) {
  					fnRenames["$" + param.name] = identifiers[idx];
  					return false;
  				}
  				return true;
  			});
  		} else {
  			identifiers = ["require", "exports", "module"];
  			if(fnParams) fnParams = fnParams.slice(fnParamsOffset).filter(function(param, idx) {
  				if(identifiers[idx]) {
  					fnRenames["$" + param.name] = identifiers[idx];
  					return false;
  				}
  				return true;
  			});
  		}
  		var inTry;
  		if(fn && fn.type === "FunctionExpression") {
  			inTry = this.scope.inTry;
  			this.inScope(fnParams, function() {
  				this.scope.renames = fnRenames;
  				this.scope.inTry = inTry;
  				if(fn.body.type === "BlockStatement")
  					this.walkStatement(fn.body);
  				else
  					this.walkExpression(fn.body);
  			}.bind(this));
  		} else if(fn && isBoundFunctionExpression(fn)) {
  			inTry = this.scope.inTry;
  			this.inScope(fn.callee.object.params.filter(function(i) {
  				return ["require", "module", "exports"].indexOf(i.name) < 0;
  			}), function() {
  				this.scope.renames = fnRenames;
  				this.scope.inTry = inTry;
  				if(fn.callee.object.body.type === "BlockStatement")
  					this.walkStatement(fn.callee.object.body);
  				else
  					this.walkExpression(fn.callee.object.body);
  			}.bind(this));
  			if(fn.arguments)
  				this.walkExpressions(fn.arguments);
  		} else if(fn || obj) {
  			this.walkExpression(fn || obj);
  		}
  		var dep = new AMDDefineDependency(expr.range, array ? array.range : null, fn ? fn.range : null, obj ? obj.range : null);
  		dep.loc = expr.loc;
  		if(namedModule) {
  			dep.localModule = LocalModulesHelpers.addLocalModule(this.state, namedModule);
  		}
  		this.state.current.addDependency(dep);
  		return true;
  	});
  	parser.plugin("call define:amd:array", function(expr, param, identifiers, namedModule) {
  		if(param.isArray()) {
  			param.items.forEach(function(param, idx) {
  				if(param.isString() && ["require", "module", "exports"].indexOf(param.string) >= 0)
  					identifiers[idx] = param.string;
  				var result = this.applyPluginsBailResult("call define:amd:item", expr, param, namedModule);
  				if(result === undefined) {
  					this.applyPluginsBailResult("call define:amd:context", expr, param);
  				}
  			}, this);
  			return true;
  		} else if(param.isConstArray()) {
  			var deps = [];
  			param.array.forEach(function(request, idx) {
  				var dep, localModule;
  				if(request === "require") {
  					identifiers[idx] = request;
  					dep = "__webpack_require__";
  				} else if(["exports", "module"].indexOf(request) >= 0) {
  					identifiers[idx] = request;
  					dep = request;
  				} else if(localModule = LocalModulesHelpers.getLocalModule(this.state, request)) { // eslint-disable-line no-cond-assign
  					dep = new LocalModuleDependency(localModule);
  					dep.loc = expr.loc;
  					this.state.current.addDependency(dep);
  				} else {
  					dep = new AMDRequireItemDependency(request);
  					dep.loc = expr.loc;
  					dep.optional = !!this.scope.inTry;
  					this.state.current.addDependency(dep);
  				}
  				deps.push(dep);
  			}, this);
  			var dep = new AMDRequireArrayDependency(deps, param.range);
  			dep.loc = expr.loc;
  			dep.optional = !!this.scope.inTry;
  			this.state.current.addDependency(dep);
  			return true;
  		}
  	});
  	parser.plugin("call define:amd:item", function(expr, param, namedModule) {
  		if(param.isConditional()) {
  			param.options.forEach(function(param) {
  				var result = this.applyPluginsBailResult("call define:amd:item", expr, param);
  				if(result === undefined) {
  					this.applyPluginsBailResult("call define:amd:context", expr, param);
  				}
  			}, this);
  			return true;
  		} else if(param.isString()) {
  			var dep, localModule;
  			if(param.string === "require") {
  				dep = new ConstDependency("__webpack_require__", param.range);
  			} else if(["require", "exports", "module"].indexOf(param.string) >= 0) {
  				dep = new ConstDependency(param.string, param.range);
  			} else if(localModule = LocalModulesHelpers.getLocalModule(this.state, param.string, namedModule)) { // eslint-disable-line no-cond-assign
  				dep = new LocalModuleDependency(localModule, param.range);
  			} else {
  				dep = new AMDRequireItemDependency(param.string, param.range);
  			}
  			dep.loc = expr.loc;
  			dep.optional = !!this.scope.inTry;
  			this.state.current.addDependency(dep);
  			return true;
  		}
  	});
  	parser.plugin("call define:amd:context", function(expr, param) {
  		var dep = ContextDependencyHelpers.create(AMDRequireContextDependency, param.range, param, expr, options);
  		if(!dep) return;
  		dep.loc = expr.loc;
  		dep.optional = !!this.scope.inTry;
  		this.state.current.addDependency(dep);
  		return true;
  	});
  };
  