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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/@babel/template/lib/parse.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
downloadxmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz
xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip
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Diffstat (limited to 'node_modules/@babel/template/lib/parse.js')
-rw-r--r--node_modules/@babel/template/lib/parse.js154
1 files changed, 154 insertions, 0 deletions
diff --git a/node_modules/@babel/template/lib/parse.js b/node_modules/@babel/template/lib/parse.js
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+++ b/node_modules/@babel/template/lib/parse.js
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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.default = parseAndBuildMetadata;
+
+function t() {
+ const data = _interopRequireWildcard(require("@babel/types"));
+
+ t = function t() {
+ return data;
+ };
+
+ return data;
+}
+
+function _babylon() {
+ const data = require("babylon");
+
+ _babylon = function _babylon() {
+ return data;
+ };
+
+ return data;
+}
+
+function _codeFrame() {
+ const data = require("@babel/code-frame");
+
+ _codeFrame = function _codeFrame() {
+ return data;
+ };
+
+ return data;
+}
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+const PATTERN = /^[_$A-Z0-9]+$/;
+
+function parseAndBuildMetadata(formatter, code, opts) {
+ const ast = parseWithCodeFrame(code, opts.parser);
+ const placeholderWhitelist = opts.placeholderWhitelist,
+ _opts$placeholderPatt = opts.placeholderPattern,
+ placeholderPattern = _opts$placeholderPatt === void 0 ? PATTERN : _opts$placeholderPatt,
+ preserveComments = opts.preserveComments;
+ t().removePropertiesDeep(ast, {
+ preserveComments
+ });
+ formatter.validate(ast);
+ const placeholders = [];
+ const placeholderNames = new Set();
+ t().traverse(ast, placeholderVisitorHandler, {
+ placeholders,
+ placeholderNames,
+ placeholderWhitelist,
+ placeholderPattern
+ });
+ return {
+ ast,
+ placeholders,
+ placeholderNames
+ };
+}
+
+function placeholderVisitorHandler(node, ancestors, state) {
+ let name;
+
+ if (t().isIdentifier(node) || t().isJSXIdentifier(node)) {
+ name = node.name;
+ } else if (t().isStringLiteral(node)) {
+ name = node.value;
+ } else {
+ return;
+ }
+
+ if ((!state.placeholderPattern || !state.placeholderPattern.test(name)) && (!state.placeholderWhitelist || !state.placeholderWhitelist.has(name))) {
+ return;
+ }
+
+ ancestors = ancestors.slice();
+ const _ancestors = ancestors[ancestors.length - 1],
+ parent = _ancestors.node,
+ key = _ancestors.key;
+ let type;
+
+ if (t().isStringLiteral(node)) {
+ type = "string";
+ } else if (t().isNewExpression(parent) && key === "arguments" || t().isCallExpression(parent) && key === "arguments" || t().isFunction(parent) && key === "params") {
+ type = "param";
+ } else if (t().isExpressionStatement(parent)) {
+ type = "statement";
+ ancestors = ancestors.slice(0, -1);
+ } else {
+ type = "other";
+ }
+
+ state.placeholders.push({
+ name,
+ type,
+ resolve: ast => resolveAncestors(ast, ancestors),
+ isDuplicate: state.placeholderNames.has(name)
+ });
+ state.placeholderNames.add(name);
+}
+
+function resolveAncestors(ast, ancestors) {
+ let parent = ast;
+
+ for (let i = 0; i < ancestors.length - 1; i++) {
+ const _ancestors$i = ancestors[i],
+ key = _ancestors$i.key,
+ index = _ancestors$i.index;
+
+ if (index === undefined) {
+ parent = parent[key];
+ } else {
+ parent = parent[key][index];
+ }
+ }
+
+ const _ancestors2 = ancestors[ancestors.length - 1],
+ key = _ancestors2.key,
+ index = _ancestors2.index;
+ return {
+ parent,
+ key,
+ index
+ };
+}
+
+function parseWithCodeFrame(code, parserOpts) {
+ parserOpts = Object.assign({
+ allowReturnOutsideFunction: true,
+ allowSuperOutsideMethod: true,
+ sourceType: "module"
+ }, parserOpts);
+
+ try {
+ return (0, _babylon().parse)(code, parserOpts);
+ } catch (err) {
+ const loc = err.loc;
+
+ if (loc) {
+ err.message += "\n" + (0, _codeFrame().codeFrameColumns)(code, {
+ start: loc
+ });
+ err.code = "BABEL_TEMPLATE_PARSE_ERROR";
+ }
+
+ throw err;
+ }
+} \ No newline at end of file