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Diffstat (limited to 'school/node_modules/acorn-walk/dist/walk.mjs')
-rw-r--r-- | school/node_modules/acorn-walk/dist/walk.mjs | 443 |
1 files changed, 0 insertions, 443 deletions
diff --git a/school/node_modules/acorn-walk/dist/walk.mjs b/school/node_modules/acorn-walk/dist/walk.mjs deleted file mode 100644 index a7fcec8..0000000 --- a/school/node_modules/acorn-walk/dist/walk.mjs +++ /dev/null @@ -1,443 +0,0 @@ -// 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"); -}; - -export { ancestor, base, findNodeAfter, findNodeAround, findNodeAt, findNodeBefore, full, fullAncestor, make, recursive, simple }; |