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Diffstat (limited to 'school/node_modules/acorn-walk/dist/walk.js')
-rw-r--r-- | school/node_modules/acorn-walk/dist/walk.js | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/school/node_modules/acorn-walk/dist/walk.js b/school/node_modules/acorn-walk/dist/walk.js deleted file mode 100644 index 17da67c..0000000 --- a/school/node_modules/acorn-walk/dist/walk.js +++ /dev/null @@ -1,463 +0,0 @@ -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (global = global || self, factory((global.acorn = global.acorn || {}, global.acorn.walk = {}))); -}(this, (function (exports) { 'use strict'; - - // AST walker module for Mozilla Parser API compatible trees - - // A simple walk is one where you simply specify callbacks to be - // called on specific nodes. The last two arguments are optional. A - // simple use would be - // - // walk.simple(myTree, { - // Expression: function(node) { ... } - // }); - // - // to do something with all expressions. All Parser API node types - // can be used to identify node types, as well as Expression and - // Statement, which denote categories of nodes. - // - // The base argument can be used to pass a custom (recursive) - // walker, and state can be used to give this walked an initial - // state. - - function simple(node, visitors, baseVisitor, state, override) { - if (!baseVisitor) { baseVisitor = base - ; }(function c(node, st, override) { - var type = override || node.type, found = visitors[type]; - baseVisitor[type](node, st, c); - if (found) { found(node, st); } - })(node, state, override); - } - - // An ancestor walk keeps an array of ancestor nodes (including the - // current node) and passes them to the callback as third parameter - // (and also as state parameter when no other state is present). - function ancestor(node, visitors, baseVisitor, state, override) { - var ancestors = []; - if (!baseVisitor) { baseVisitor = base - ; }(function c(node, st, override) { - var type = override || node.type, found = visitors[type]; - var isNew = node !== ancestors[ancestors.length - 1]; - if (isNew) { ancestors.push(node); } - baseVisitor[type](node, st, c); - if (found) { found(node, st || ancestors, ancestors); } - if (isNew) { ancestors.pop(); } - })(node, state, override); - } - - // A recursive walk is one where your functions override the default - // walkers. They can modify and replace the state parameter that's - // threaded through the walk, and can opt how and whether to walk - // their child nodes (by calling their third argument on these - // nodes). - function recursive(node, state, funcs, baseVisitor, override) { - var visitor = funcs ? make(funcs, baseVisitor || undefined) : baseVisitor - ;(function c(node, st, override) { - visitor[override || node.type](node, st, c); - })(node, state, override); - } - - function makeTest(test) { - if (typeof test === "string") - { return function (type) { return type === test; } } - else if (!test) - { return function () { return true; } } - else - { return test } - } - - var Found = function Found(node, state) { this.node = node; this.state = state; }; - - // A full walk triggers the callback on each node - function full(node, callback, baseVisitor, state, override) { - if (!baseVisitor) { baseVisitor = base - ; }(function c(node, st, override) { - var type = override || node.type; - baseVisitor[type](node, st, c); - if (!override) { callback(node, st, type); } - })(node, state, override); - } - - // An fullAncestor walk is like an ancestor walk, but triggers - // the callback on each node - function fullAncestor(node, callback, baseVisitor, state) { - if (!baseVisitor) { baseVisitor = base; } - var ancestors = [] - ;(function c(node, st, override) { - var type = override || node.type; - var isNew = node !== ancestors[ancestors.length - 1]; - if (isNew) { ancestors.push(node); } - baseVisitor[type](node, st, c); - if (!override) { callback(node, st || ancestors, ancestors, type); } - if (isNew) { ancestors.pop(); } - })(node, state); - } - - // Find a node with a given start, end, and type (all are optional, - // null can be used as wildcard). Returns a {node, state} object, or - // undefined when it doesn't find a matching node. - function findNodeAt(node, start, end, test, baseVisitor, state) { - if (!baseVisitor) { baseVisitor = base; } - test = makeTest(test); - try { - (function c(node, st, override) { - var type = override || node.type; - if ((start == null || node.start <= start) && - (end == null || node.end >= end)) - { baseVisitor[type](node, st, c); } - if ((start == null || node.start === start) && - (end == null || node.end === end) && - test(type, node)) - { throw new Found(node, st) } - })(node, state); - } catch (e) { - if (e instanceof Found) { return e } - throw e - } - } - - // Find the innermost node of a given type that contains the given - // position. Interface similar to findNodeAt. - function findNodeAround(node, pos, test, baseVisitor, state) { - test = makeTest(test); - if (!baseVisitor) { baseVisitor = base; } - try { - (function c(node, st, override) { - var type = override || node.type; - if (node.start > pos || node.end < pos) { return } - baseVisitor[type](node, st, c); - if (test(type, node)) { throw new Found(node, st) } - })(node, state); - } catch (e) { - if (e instanceof Found) { return e } - throw e - } - } - - // Find the outermost matching node after a given position. - function findNodeAfter(node, pos, test, baseVisitor, state) { - test = makeTest(test); - if (!baseVisitor) { baseVisitor = base; } - try { - (function c(node, st, override) { - if (node.end < pos) { return } - var type = override || node.type; - if (node.start >= pos && test(type, node)) { throw new Found(node, st) } - baseVisitor[type](node, st, c); - })(node, state); - } catch (e) { - if (e instanceof Found) { return e } - throw e - } - } - - // Find the outermost matching node before a given position. - function findNodeBefore(node, pos, test, baseVisitor, state) { - test = makeTest(test); - if (!baseVisitor) { baseVisitor = base; } - var max - ;(function c(node, st, override) { - if (node.start > pos) { return } - var type = override || node.type; - if (node.end <= pos && (!max || max.node.end < node.end) && test(type, node)) - { max = new Found(node, st); } - baseVisitor[type](node, st, c); - })(node, state); - return max - } - - // Fallback to an Object.create polyfill for older environments. - var create = Object.create || function(proto) { - function Ctor() {} - Ctor.prototype = proto; - return new Ctor - }; - - // Used to create a custom walker. Will fill in all missing node - // type properties with the defaults. - function make(funcs, baseVisitor) { - var visitor = create(baseVisitor || base); - for (var type in funcs) { visitor[type] = funcs[type]; } - return visitor - } - - function skipThrough(node, st, c) { c(node, st); } - function ignore(_node, _st, _c) {} - - // Node walkers. - - var base = {}; - - base.Program = base.BlockStatement = function (node, st, c) { - for (var i = 0, list = node.body; i < list.length; i += 1) - { - var stmt = list[i]; - - c(stmt, st, "Statement"); - } - }; - base.Statement = skipThrough; - base.EmptyStatement = ignore; - base.ExpressionStatement = base.ParenthesizedExpression = base.ChainExpression = - function (node, st, c) { return c(node.expression, st, "Expression"); }; - base.IfStatement = function (node, st, c) { - c(node.test, st, "Expression"); - c(node.consequent, st, "Statement"); - if (node.alternate) { c(node.alternate, st, "Statement"); } - }; - base.LabeledStatement = function (node, st, c) { return c(node.body, st, "Statement"); }; - base.BreakStatement = base.ContinueStatement = ignore; - base.WithStatement = function (node, st, c) { - c(node.object, st, "Expression"); - c(node.body, st, "Statement"); - }; - base.SwitchStatement = function (node, st, c) { - c(node.discriminant, st, "Expression"); - for (var i$1 = 0, list$1 = node.cases; i$1 < list$1.length; i$1 += 1) { - var cs = list$1[i$1]; - - if (cs.test) { c(cs.test, st, "Expression"); } - for (var i = 0, list = cs.consequent; i < list.length; i += 1) - { - var cons = list[i]; - - c(cons, st, "Statement"); - } - } - }; - base.SwitchCase = function (node, st, c) { - if (node.test) { c(node.test, st, "Expression"); } - for (var i = 0, list = node.consequent; i < list.length; i += 1) - { - var cons = list[i]; - - c(cons, st, "Statement"); - } - }; - base.ReturnStatement = base.YieldExpression = base.AwaitExpression = function (node, st, c) { - if (node.argument) { c(node.argument, st, "Expression"); } - }; - base.ThrowStatement = base.SpreadElement = - function (node, st, c) { return c(node.argument, st, "Expression"); }; - base.TryStatement = function (node, st, c) { - c(node.block, st, "Statement"); - if (node.handler) { c(node.handler, st); } - if (node.finalizer) { c(node.finalizer, st, "Statement"); } - }; - base.CatchClause = function (node, st, c) { - if (node.param) { c(node.param, st, "Pattern"); } - c(node.body, st, "Statement"); - }; - base.WhileStatement = base.DoWhileStatement = function (node, st, c) { - c(node.test, st, "Expression"); - c(node.body, st, "Statement"); - }; - base.ForStatement = function (node, st, c) { - if (node.init) { c(node.init, st, "ForInit"); } - if (node.test) { c(node.test, st, "Expression"); } - if (node.update) { c(node.update, st, "Expression"); } - c(node.body, st, "Statement"); - }; - base.ForInStatement = base.ForOfStatement = function (node, st, c) { - c(node.left, st, "ForInit"); - c(node.right, st, "Expression"); - c(node.body, st, "Statement"); - }; - base.ForInit = function (node, st, c) { - if (node.type === "VariableDeclaration") { c(node, st); } - else { c(node, st, "Expression"); } - }; - base.DebuggerStatement = ignore; - - base.FunctionDeclaration = function (node, st, c) { return c(node, st, "Function"); }; - base.VariableDeclaration = function (node, st, c) { - for (var i = 0, list = node.declarations; i < list.length; i += 1) - { - var decl = list[i]; - - c(decl, st); - } - }; - base.VariableDeclarator = function (node, st, c) { - c(node.id, st, "Pattern"); - if (node.init) { c(node.init, st, "Expression"); } - }; - - base.Function = function (node, st, c) { - if (node.id) { c(node.id, st, "Pattern"); } - for (var i = 0, list = node.params; i < list.length; i += 1) - { - var param = list[i]; - - c(param, st, "Pattern"); - } - c(node.body, st, node.expression ? "Expression" : "Statement"); - }; - - base.Pattern = function (node, st, c) { - if (node.type === "Identifier") - { c(node, st, "VariablePattern"); } - else if (node.type === "MemberExpression") - { c(node, st, "MemberPattern"); } - else - { c(node, st); } - }; - base.VariablePattern = ignore; - base.MemberPattern = skipThrough; - base.RestElement = function (node, st, c) { return c(node.argument, st, "Pattern"); }; - base.ArrayPattern = function (node, st, c) { - for (var i = 0, list = node.elements; i < list.length; i += 1) { - var elt = list[i]; - - if (elt) { c(elt, st, "Pattern"); } - } - }; - base.ObjectPattern = function (node, st, c) { - for (var i = 0, list = node.properties; i < list.length; i += 1) { - var prop = list[i]; - - if (prop.type === "Property") { - if (prop.computed) { c(prop.key, st, "Expression"); } - c(prop.value, st, "Pattern"); - } else if (prop.type === "RestElement") { - c(prop.argument, st, "Pattern"); - } - } - }; - - base.Expression = skipThrough; - base.ThisExpression = base.Super = base.MetaProperty = ignore; - base.ArrayExpression = function (node, st, c) { - for (var i = 0, list = node.elements; i < list.length; i += 1) { - var elt = list[i]; - - if (elt) { c(elt, st, "Expression"); } - } - }; - base.ObjectExpression = function (node, st, c) { - for (var i = 0, list = node.properties; i < list.length; i += 1) - { - var prop = list[i]; - - c(prop, st); - } - }; - base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration; - base.SequenceExpression = function (node, st, c) { - for (var i = 0, list = node.expressions; i < list.length; i += 1) - { - var expr = list[i]; - - c(expr, st, "Expression"); - } - }; - base.TemplateLiteral = function (node, st, c) { - for (var i = 0, list = node.quasis; i < list.length; i += 1) - { - var quasi = list[i]; - - c(quasi, st); - } - - for (var i$1 = 0, list$1 = node.expressions; i$1 < list$1.length; i$1 += 1) - { - var expr = list$1[i$1]; - - c(expr, st, "Expression"); - } - }; - base.TemplateElement = ignore; - base.UnaryExpression = base.UpdateExpression = function (node, st, c) { - c(node.argument, st, "Expression"); - }; - base.BinaryExpression = base.LogicalExpression = function (node, st, c) { - c(node.left, st, "Expression"); - c(node.right, st, "Expression"); - }; - base.AssignmentExpression = base.AssignmentPattern = function (node, st, c) { - c(node.left, st, "Pattern"); - c(node.right, st, "Expression"); - }; - base.ConditionalExpression = function (node, st, c) { - c(node.test, st, "Expression"); - c(node.consequent, st, "Expression"); - c(node.alternate, st, "Expression"); - }; - base.NewExpression = base.CallExpression = function (node, st, c) { - c(node.callee, st, "Expression"); - if (node.arguments) - { for (var i = 0, list = node.arguments; i < list.length; i += 1) - { - var arg = list[i]; - - c(arg, st, "Expression"); - } } - }; - base.MemberExpression = function (node, st, c) { - c(node.object, st, "Expression"); - if (node.computed) { c(node.property, st, "Expression"); } - }; - base.ExportNamedDeclaration = base.ExportDefaultDeclaration = function (node, st, c) { - if (node.declaration) - { c(node.declaration, st, node.type === "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression"); } - if (node.source) { c(node.source, st, "Expression"); } - }; - base.ExportAllDeclaration = function (node, st, c) { - if (node.exported) - { c(node.exported, st); } - c(node.source, st, "Expression"); - }; - base.ImportDeclaration = function (node, st, c) { - for (var i = 0, list = node.specifiers; i < list.length; i += 1) - { - var spec = list[i]; - - c(spec, st); - } - c(node.source, st, "Expression"); - }; - base.ImportExpression = function (node, st, c) { - c(node.source, st, "Expression"); - }; - base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore; - - base.TaggedTemplateExpression = function (node, st, c) { - c(node.tag, st, "Expression"); - c(node.quasi, st, "Expression"); - }; - base.ClassDeclaration = base.ClassExpression = function (node, st, c) { return c(node, st, "Class"); }; - base.Class = function (node, st, c) { - if (node.id) { c(node.id, st, "Pattern"); } - if (node.superClass) { c(node.superClass, st, "Expression"); } - c(node.body, st); - }; - base.ClassBody = function (node, st, c) { - for (var i = 0, list = node.body; i < list.length; i += 1) - { - var elt = list[i]; - - c(elt, st); - } - }; - base.MethodDefinition = base.Property = function (node, st, c) { - if (node.computed) { c(node.key, st, "Expression"); } - c(node.value, st, "Expression"); - }; - - exports.ancestor = ancestor; - exports.base = base; - exports.findNodeAfter = findNodeAfter; - exports.findNodeAround = findNodeAround; - exports.findNodeAt = findNodeAt; - exports.findNodeBefore = findNodeBefore; - exports.full = full; - exports.fullAncestor = fullAncestor; - exports.make = make; - exports.recursive = recursive; - exports.simple = simple; - - Object.defineProperty(exports, '__esModule', { value: true }); - -}))); |