1 files changed, 433 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/acorn-jsx/inject.js b/tools/node_modules/eslint/node_modules/acorn-jsx/inject.js
new file mode 100644
index 0000000000..2bc4e9fd39
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/acorn-jsx/inject.js
@@ -0,0 +1,433 @@
+'use strict';
+
+var XHTMLEntities = require('./xhtml');
+
+var hexNumber = /^[\da-fA-F]+$/;
+var decimalNumber = /^\d+$/;
+
+module.exports = function(acorn) {
+  var tt = acorn.tokTypes;
+  var tc = acorn.tokContexts;
+
+  tc.j_oTag = new acorn.TokContext('<tag', false);
+  tc.j_cTag = new acorn.TokContext('</tag', false);
+  tc.j_expr = new acorn.TokContext('<tag>...</tag>', true, true);
+
+  tt.jsxName = new acorn.TokenType('jsxName');
+  tt.jsxText = new acorn.TokenType('jsxText', {beforeExpr: true});
+  tt.jsxTagStart = new acorn.TokenType('jsxTagStart');
+  tt.jsxTagEnd = new acorn.TokenType('jsxTagEnd');
+
+  tt.jsxTagStart.updateContext = function() {
+    this.context.push(tc.j_expr); // treat as beginning of JSX expression
+    this.context.push(tc.j_oTag); // start opening tag context
+    this.exprAllowed = false;
+  };
+  tt.jsxTagEnd.updateContext = function(prevType) {
+    var out = this.context.pop();
+    if (out === tc.j_oTag && prevType === tt.slash || out === tc.j_cTag) {
+      this.context.pop();
+      this.exprAllowed = this.curContext() === tc.j_expr;
+    } else {
+      this.exprAllowed = true;
+    }
+  };
+
+  var pp = acorn.Parser.prototype;
+
+  // Reads inline JSX contents token.
+
+  pp.jsx_readToken = function() {
+    var out = '', chunkStart = this.pos;
+    for (;;) {
+      if (this.pos >= this.input.length)
+        this.raise(this.start, 'Unterminated JSX contents');
+      var ch = this.input.charCodeAt(this.pos);
+
+      switch (ch) {
+      case 60: // '<'
+      case 123: // '{'
+        if (this.pos === this.start) {
+          if (ch === 60 && this.exprAllowed) {
+            ++this.pos;
+            return this.finishToken(tt.jsxTagStart);
+          }
+          return this.getTokenFromCode(ch);
+        }
+        out += this.input.slice(chunkStart, this.pos);
+        return this.finishToken(tt.jsxText, out);
+
+      case 38: // '&'
+        out += this.input.slice(chunkStart, this.pos);
+        out += this.jsx_readEntity();
+        chunkStart = this.pos;
+        break;
+
+      default:
+        if (acorn.isNewLine(ch)) {
+          out += this.input.slice(chunkStart, this.pos);
+          out += this.jsx_readNewLine(true);
+          chunkStart = this.pos;
+        } else {
+          ++this.pos;
+        }
+      }
+    }
+  };
+
+  pp.jsx_readNewLine = function(normalizeCRLF) {
+    var ch = this.input.charCodeAt(this.pos);
+    var out;
+    ++this.pos;
+    if (ch === 13 && this.input.charCodeAt(this.pos) === 10) {
+      ++this.pos;
+      out = normalizeCRLF ? '\n' : '\r\n';
+    } else {
+      out = String.fromCharCode(ch);
+    }
+    if (this.options.locations) {
+      ++this.curLine;
+      this.lineStart = this.pos;
+    }
+
+    return out;
+  };
+
+  pp.jsx_readString = function(quote) {
+    var out = '', chunkStart = ++this.pos;
+    for (;;) {
+      if (this.pos >= this.input.length)
+        this.raise(this.start, 'Unterminated string constant');
+      var ch = this.input.charCodeAt(this.pos);
+      if (ch === quote) break;
+      if (ch === 38) { // '&'
+        out += this.input.slice(chunkStart, this.pos);
+        out += this.jsx_readEntity();
+        chunkStart = this.pos;
+      } else if (acorn.isNewLine(ch)) {
+        out += this.input.slice(chunkStart, this.pos);
+        out += this.jsx_readNewLine(false);
+        chunkStart = this.pos;
+      } else {
+        ++this.pos;
+      }
+    }
+    out += this.input.slice(chunkStart, this.pos++);
+    return this.finishToken(tt.string, out);
+  };
+
+  pp.jsx_readEntity = function() {
+    var str = '', count = 0, entity;
+    var ch = this.input[this.pos];
+    if (ch !== '&')
+      this.raise(this.pos, 'Entity must start with an ampersand');
+    var startPos = ++this.pos;
+    while (this.pos < this.input.length && count++ < 10) {
+      ch = this.input[this.pos++];
+      if (ch === ';') {
+        if (str[0] === '#') {
+          if (str[1] === 'x') {
+            str = str.substr(2);
+            if (hexNumber.test(str))
+              entity = String.fromCharCode(parseInt(str, 16));
+          } else {
+            str = str.substr(1);
+            if (decimalNumber.test(str))
+              entity = String.fromCharCode(parseInt(str, 10));
+          }
+        } else {
+          entity = XHTMLEntities[str];
+        }
+        break;
+      }
+      str += ch;
+    }
+    if (!entity) {
+      this.pos = startPos;
+      return '&';
+    }
+    return entity;
+  };
+
+
+  // Read a JSX identifier (valid tag or attribute name).
+  //
+  // Optimized version since JSX identifiers can't contain
+  // escape characters and so can be read as single slice.
+  // Also assumes that first character was already checked
+  // by isIdentifierStart in readToken.
+
+  pp.jsx_readWord = function() {
+    var ch, start = this.pos;
+    do {
+      ch = this.input.charCodeAt(++this.pos);
+    } while (acorn.isIdentifierChar(ch) || ch === 45); // '-'
+    return this.finishToken(tt.jsxName, this.input.slice(start, this.pos));
+  };
+
+  // Transforms JSX element name to string.
+
+  function getQualifiedJSXName(object) {
+    if (object.type === 'JSXIdentifier')
+      return object.name;
+
+    if (object.type === 'JSXNamespacedName')
+      return object.namespace.name + ':' + object.name.name;
+
+    if (object.type === 'JSXMemberExpression')
+      return getQualifiedJSXName(object.object) + '.' +
+      getQualifiedJSXName(object.property);
+  }
+
+  // Parse next token as JSX identifier
+
+  pp.jsx_parseIdentifier = function() {
+    var node = this.startNode();
+    if (this.type === tt.jsxName)
+      node.name = this.value;
+    else if (this.type.keyword)
+      node.name = this.type.keyword;
+    else
+      this.unexpected();
+    this.next();
+    return this.finishNode(node, 'JSXIdentifier');
+  };
+
+  // Parse namespaced identifier.
+
+  pp.jsx_parseNamespacedName = function() {
+    var startPos = this.start, startLoc = this.startLoc;
+    var name = this.jsx_parseIdentifier();
+    if (!this.options.plugins.jsx.allowNamespaces || !this.eat(tt.colon)) return name;
+    var node = this.startNodeAt(startPos, startLoc);
+    node.namespace = name;
+    node.name = this.jsx_parseIdentifier();
+    return this.finishNode(node, 'JSXNamespacedName');
+  };
+
+  // Parses element name in any form - namespaced, member
+  // or single identifier.
+
+  pp.jsx_parseElementName = function() {
+    var startPos = this.start, startLoc = this.startLoc;
+    var node = this.jsx_parseNamespacedName();
+    if (this.type === tt.dot && node.type === 'JSXNamespacedName' && !this.options.plugins.jsx.allowNamespacedObjects) {
+      this.unexpected();
+    }
+    while (this.eat(tt.dot)) {
+      var newNode = this.startNodeAt(startPos, startLoc);
+      newNode.object = node;
+      newNode.property = this.jsx_parseIdentifier();
+      node = this.finishNode(newNode, 'JSXMemberExpression');
+    }
+    return node;
+  };
+
+  // Parses any type of JSX attribute value.
+
+  pp.jsx_parseAttributeValue = function() {
+    switch (this.type) {
+    case tt.braceL:
+      var node = this.jsx_parseExpressionContainer();
+      if (node.expression.type === 'JSXEmptyExpression')
+        this.raise(node.start, 'JSX attributes must only be assigned a non-empty expression');
+      return node;
+
+    case tt.jsxTagStart:
+    case tt.string:
+      return this.parseExprAtom();
+
+    default:
+      this.raise(this.start, 'JSX value should be either an expression or a quoted JSX text');
+    }
+  };
+
+  // JSXEmptyExpression is unique type since it doesn't actually parse anything,
+  // and so it should start at the end of last read token (left brace) and finish
+  // at the beginning of the next one (right brace).
+
+  pp.jsx_parseEmptyExpression = function() {
+    var node = this.startNodeAt(this.lastTokEnd, this.lastTokEndLoc);
+    return this.finishNodeAt(node, 'JSXEmptyExpression', this.start, this.startLoc);
+  };
+
+  // Parses JSX expression enclosed into curly brackets.
+
+
+  pp.jsx_parseExpressionContainer = function() {
+    var node = this.startNode();
+    this.next();
+    node.expression = this.type === tt.braceR
+      ? this.jsx_parseEmptyExpression()
+      : this.parseExpression();
+    this.expect(tt.braceR);
+    return this.finishNode(node, 'JSXExpressionContainer');
+  };
+
+  // Parses following JSX attribute name-value pair.
+
+  pp.jsx_parseAttribute = function() {
+    var node = this.startNode();
+    if (this.eat(tt.braceL)) {
+      this.expect(tt.ellipsis);
+      node.argument = this.parseMaybeAssign();
+      this.expect(tt.braceR);
+      return this.finishNode(node, 'JSXSpreadAttribute');
+    }
+    node.name = this.jsx_parseNamespacedName();
+    node.value = this.eat(tt.eq) ? this.jsx_parseAttributeValue() : null;
+    return this.finishNode(node, 'JSXAttribute');
+  };
+
+  // Parses JSX opening tag starting after '<'.
+
+  pp.jsx_parseOpeningElementAt = function(startPos, startLoc) {
+    var node = this.startNodeAt(startPos, startLoc);
+    node.attributes = [];
+    node.name = this.jsx_parseElementName();
+    while (this.type !== tt.slash && this.type !== tt.jsxTagEnd)
+      node.attributes.push(this.jsx_parseAttribute());
+    node.selfClosing = this.eat(tt.slash);
+    this.expect(tt.jsxTagEnd);
+    return this.finishNode(node, 'JSXOpeningElement');
+  };
+
+  // Parses JSX closing tag starting after '</'.
+
+  pp.jsx_parseClosingElementAt = function(startPos, startLoc) {
+    var node = this.startNodeAt(startPos, startLoc);
+    node.name = this.jsx_parseElementName();
+    this.expect(tt.jsxTagEnd);
+    return this.finishNode(node, 'JSXClosingElement');
+  };
+
+  // Parses entire JSX element, including it's opening tag
+  // (starting after '<'), attributes, contents and closing tag.
+
+  pp.jsx_parseElementAt = function(startPos, startLoc) {
+    var node = this.startNodeAt(startPos, startLoc);
+    var children = [];
+    var openingElement = this.jsx_parseOpeningElementAt(startPos, startLoc);
+    var closingElement = null;
+
+    if (!openingElement.selfClosing) {
+      contents: for (;;) {
+        switch (this.type) {
+        case tt.jsxTagStart:
+          startPos = this.start; startLoc = this.startLoc;
+          this.next();
+          if (this.eat(tt.slash)) {
+            closingElement = this.jsx_parseClosingElementAt(startPos, startLoc);
+            break contents;
+          }
+          children.push(this.jsx_parseElementAt(startPos, startLoc));
+          break;
+
+        case tt.jsxText:
+          children.push(this.parseExprAtom());
+          break;
+
+        case tt.braceL:
+          children.push(this.jsx_parseExpressionContainer());
+          break;
+
+        default:
+          this.unexpected();
+        }
+      }
+      if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) {
+        this.raise(
+          closingElement.start,
+          'Expected corresponding JSX closing tag for <' + getQualifiedJSXName(openingElement.name) + '>');
+      }
+    }
+
+    node.openingElement = openingElement;
+    node.closingElement = closingElement;
+    node.children = children;
+    if (this.type === tt.relational && this.value === "<") {
+      this.raise(this.start, "Adjacent JSX elements must be wrapped in an enclosing tag");
+    }
+    return this.finishNode(node, 'JSXElement');
+  };
+
+  // Parses entire JSX element from current position.
+
+  pp.jsx_parseElement = function() {
+    var startPos = this.start, startLoc = this.startLoc;
+    this.next();
+    return this.jsx_parseElementAt(startPos, startLoc);
+  };
+
+  acorn.plugins.jsx = function(instance, opts) {
+    if (!opts) {
+      return;
+    }
+
+    if (typeof opts !== 'object') {
+      opts = {};
+    }
+
+    instance.options.plugins.jsx = {
+      allowNamespaces: opts.allowNamespaces !== false,
+      allowNamespacedObjects: !!opts.allowNamespacedObjects
+    };
+
+    instance.extend('parseExprAtom', function(inner) {
+      return function(refShortHandDefaultPos) {
+        if (this.type === tt.jsxText)
+          return this.parseLiteral(this.value);
+        else if (this.type === tt.jsxTagStart)
+          return this.jsx_parseElement();
+        else
+          return inner.call(this, refShortHandDefaultPos);
+      };
+    });
+
+    instance.extend('readToken', function(inner) {
+      return function(code) {
+        var context = this.curContext();
+
+        if (context === tc.j_expr) return this.jsx_readToken();
+
+        if (context === tc.j_oTag || context === tc.j_cTag) {
+          if (acorn.isIdentifierStart(code)) return this.jsx_readWord();
+
+          if (code == 62) {
+            ++this.pos;
+            return this.finishToken(tt.jsxTagEnd);
+          }
+
+          if ((code === 34 || code === 39) && context == tc.j_oTag)
+            return this.jsx_readString(code);
+        }
+
+        if (code === 60 && this.exprAllowed) {
+          ++this.pos;
+          return this.finishToken(tt.jsxTagStart);
+        }
+        return inner.call(this, code);
+      };
+    });
+
+    instance.extend('updateContext', function(inner) {
+      return function(prevType) {
+        if (this.type == tt.braceL) {
+          var curContext = this.curContext();
+          if (curContext == tc.j_oTag) this.context.push(tc.b_expr);
+          else if (curContext == tc.j_expr) this.context.push(tc.b_tmpl);
+          else inner.call(this, prevType);
+          this.exprAllowed = true;
+        } else if (this.type === tt.slash && prevType === tt.jsxTagStart) {
+          this.context.length -= 2; // do not consider JSX expr -> JSX open tag -> ... anymore
+          this.context.push(tc.j_cTag); // reconsider as closing tag context
+          this.exprAllowed = false;
+        } else {
+          return inner.call(this, prevType);
+        }
+      };
+    });
+  };
+
+  return acorn;
+};