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| var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
(function (factory) {
Eif (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
Iif (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "./cssNodes", "../utils/arrays"], factory);
}
})(function (require, exports) {
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
var nodes = require("./cssNodes");
var arrays_1 = require("../utils/arrays");
var Scope = (function () {
function Scope(offset, length) {
this.offset = offset;
this.length = length;
this.symbols = [];
this.parent = null;
this.children = [];
}
Scope.prototype.addChild = function (scope) {
this.children.push(scope);
scope.setParent(this);
};
Scope.prototype.setParent = function (scope) {
this.parent = scope;
};
Scope.prototype.findScope = function (offset, length) {
if (length === void 0) { length = 0; }
if (this.offset <= offset && this.offset + this.length > offset + length || this.offset === offset && this.length === length) {
return this.findInScope(offset, length);
}
return null;
};
Scope.prototype.findInScope = function (offset, length) {
Iif (length === void 0) { length = 0; }
// find the first scope child that has an offset larger than offset + length
var end = offset + length;
var idx = arrays_1.findFirst(this.children, function (s) { return s.offset > end; });
if (idx === 0) {
// all scopes have offsets larger than our end
return this;
}
var res = this.children[idx - 1];
if (res.offset <= offset && res.offset + res.length >= offset + length) {
return res.findInScope(offset, length);
}
return this;
};
Scope.prototype.addSymbol = function (symbol) {
this.symbols.push(symbol);
};
Scope.prototype.getSymbol = function (name, type) {
for (var index = 0; index < this.symbols.length; index++) {
var symbol = this.symbols[index];
if (symbol.name === name && symbol.type === type) {
return symbol;
}
}
return null;
};
Scope.prototype.getSymbols = function () {
return this.symbols;
};
return Scope;
}());
exports.Scope = Scope;
var GlobalScope = (function (_super) {
__extends(GlobalScope, _super);
function GlobalScope() {
return _super.call(this, 0, Number.MAX_VALUE) || this;
}
return GlobalScope;
}(Scope));
exports.GlobalScope = GlobalScope;
var Symbol = (function () {
function Symbol(name, value, node, type) {
this.name = name;
this.value = value;
this.node = node;
this.type = type;
}
return Symbol;
}());
exports.Symbol = Symbol;
var ScopeBuilder = (function () {
function ScopeBuilder(scope) {
this.scope = scope;
}
ScopeBuilder.prototype.addSymbol = function (node, name, value, type) {
Eif (node.offset !== -1) {
var current = this.scope.findScope(node.offset, node.length);
current.addSymbol(new Symbol(name, value, node, type));
}
};
ScopeBuilder.prototype.addScope = function (node) {
Eif (node.offset !== -1) {
var current = this.scope.findScope(node.offset, node.length);
if (current.offset !== node.offset || current.length !== node.length) {
var newScope = new Scope(node.offset, node.length);
current.addChild(newScope);
return newScope;
}
return current;
}
return null;
};
ScopeBuilder.prototype.addSymbolToChildScope = function (scopeNode, node, name, value, type) {
Eif (scopeNode && scopeNode.offset !== -1) {
var current = this.addScope(scopeNode); // create the scope or gets the existing one
current.addSymbol(new Symbol(name, value, node, type));
}
};
ScopeBuilder.prototype.visitNode = function (node) {
switch (node.type) {
case nodes.NodeType.Keyframe:
this.addSymbol(node, node.getName(), null, nodes.ReferenceType.Keyframe);
return true;
case nodes.NodeType.CustomPropertyDeclaration:
return this.visitCustomPropertyDeclarationNode(node);
case nodes.NodeType.VariableDeclaration:
return this.visitVariableDeclarationNode(node);
case nodes.NodeType.Ruleset:
return this.visitRuleSet(node);
case nodes.NodeType.MixinDeclaration:
this.addSymbol(node, node.getName(), null, nodes.ReferenceType.Mixin);
return true;
case nodes.NodeType.FunctionDeclaration:
this.addSymbol(node, node.getName(), null, nodes.ReferenceType.Function);
return true;
case nodes.NodeType.FunctionParameter: {
return this.visitFunctionParameterNode(node);
}
case nodes.NodeType.Declarations:
this.addScope(node);
return true;
case nodes.NodeType.For:
var forNode = node;
var scopeNode = forNode.getDeclarations();
Eif (scopeNode) {
this.addSymbolToChildScope(scopeNode, forNode.variable, forNode.variable.getName(), null, nodes.ReferenceType.Variable);
}
return true;
case nodes.NodeType.Each: {
var eachNode = node;
var scopeNode_1 = eachNode.getDeclarations();
Eif (scopeNode_1) {
var variables = eachNode.getVariables().getChildren();
for (var _i = 0, variables_1 = variables; _i < variables_1.length; _i++) {
var variable = variables_1[_i];
this.addSymbolToChildScope(scopeNode_1, variable, variable.getName(), null, nodes.ReferenceType.Variable);
}
}
return true;
}
}
return true;
};
ScopeBuilder.prototype.visitRuleSet = function (node) {
var current = this.scope.findScope(node.offset, node.length);
node.getSelectors().getChildren().forEach(function (child) {
Eif (child instanceof nodes.Selector) {
if (child.getChildren().length === 1) {
current.addSymbol(new Symbol(child.getChild(0).getText(), null, child, nodes.ReferenceType.Rule));
}
}
});
return true;
};
ScopeBuilder.prototype.visitVariableDeclarationNode = function (node) {
var value = node.getValue() ? node.getValue().getText() : null;
this.addSymbol(node, node.getName(), value, nodes.ReferenceType.Variable);
return true;
};
ScopeBuilder.prototype.visitFunctionParameterNode = function (node) {
// parameters are part of the body scope
var scopeNode = node.getParent().getDeclarations();
Eif (scopeNode) {
var valueNode = node.getDefaultValue();
var value = valueNode ? valueNode.getText() : null;
this.addSymbolToChildScope(scopeNode, node, node.getName(), value, nodes.ReferenceType.Variable);
}
return true;
};
ScopeBuilder.prototype.visitCustomPropertyDeclarationNode = function (node) {
var value = node.getValue() ? node.getValue().getText() : '';
this.addCSSVariable(node.getProperty(), node.getProperty().getName(), value, nodes.ReferenceType.Variable);
return true;
};
ScopeBuilder.prototype.addCSSVariable = function (node, name, value, type) {
Eif (node.offset !== -1) {
var globalScope = this.getGlobalScope(node, name, type);
globalScope.addSymbol(new Symbol(name, value, node, type));
}
};
ScopeBuilder.prototype.getGlobalScope = function (node, name, type) {
var current = this.scope.findScope(node.offset, node.length);
while (current.parent !== null) {
current = current.parent;
}
return current;
};
return ScopeBuilder;
}());
exports.ScopeBuilder = ScopeBuilder;
var Symbols = (function () {
function Symbols(node) {
this.global = new GlobalScope();
node.accept(new ScopeBuilder(this.global));
}
Symbols.prototype.findSymbolsAtOffset = function (offset, referenceType) {
var scope = this.global.findScope(offset, 0);
var result = [];
var names = {};
while (scope) {
var symbols = scope.getSymbols();
for (var i = 0; i < symbols.length; i++) {
var symbol = symbols[i];
if (symbol.type === referenceType && !names[symbol.name]) {
result.push(symbol);
names[symbol.name] = true;
}
}
scope = scope.parent;
}
return result;
};
Symbols.prototype.internalFindSymbol = function (node, referenceTypes) {
var scopeNode = node;
if (node.parent instanceof nodes.FunctionParameter && node.parent.getParent() instanceof nodes.BodyDeclaration) {
scopeNode = node.parent.getParent().getDeclarations();
}
if (node.parent instanceof nodes.FunctionArgument && node.parent.getParent() instanceof nodes.Function) {
var funcId = node.parent.getParent().getIdentifier();
Eif (funcId) {
var functionSymbol = this.internalFindSymbol(funcId, [nodes.ReferenceType.Function]);
Eif (functionSymbol) {
scopeNode = functionSymbol.node.getDeclarations();
}
}
}
Iif (!scopeNode) {
return null;
}
var name = node.getText();
var scope = this.global.findScope(scopeNode.offset, scopeNode.length);
while (scope) {
for (var index = 0; index < referenceTypes.length; index++) {
var type = referenceTypes[index];
var symbol = scope.getSymbol(name, type);
if (symbol) {
return symbol;
}
}
scope = scope.parent;
}
return null;
};
Symbols.prototype.evaluateReferenceTypes = function (node) {
if (node instanceof nodes.Identifier) {
var referenceTypes = node.referenceTypes;
if (referenceTypes) {
return referenceTypes;
}
else {
if (node.isCustomProperty) {
return [nodes.ReferenceType.Variable];
}
// are a reference to a keyframe?
var decl = nodes.getParentDeclaration(node);
if (decl) {
var propertyName = decl.getNonPrefixedPropertyName();
if ((propertyName === 'animation' || propertyName === 'animation-name')
&& decl.getValue() && decl.getValue().offset === node.offset) {
return [nodes.ReferenceType.Keyframe];
}
}
}
}
else if (node instanceof nodes.Variable) {
return [nodes.ReferenceType.Variable];
}
var selector = node.findParent(nodes.NodeType.Selector);
if (selector) {
return [nodes.ReferenceType.Rule];
}
var extendsRef = node.findParent(nodes.NodeType.ExtendsReference);
if (extendsRef) {
return [nodes.ReferenceType.Rule];
}
return null;
};
Symbols.prototype.findSymbolFromNode = function (node) {
Iif (!node) {
return null;
}
while (node.type === nodes.NodeType.Interpolation) {
node = node.getParent();
}
var referenceTypes = this.evaluateReferenceTypes(node);
if (referenceTypes) {
return this.internalFindSymbol(node, referenceTypes);
}
return null;
};
Symbols.prototype.matchesSymbol = function (node, symbol) {
Iif (!node) {
return null;
}
while (node.type === nodes.NodeType.Interpolation) {
node = node.getParent();
}
if (symbol.name.length !== node.length || symbol.name !== node.getText()) {
return false;
}
var referenceTypes = this.evaluateReferenceTypes(node);
if (!referenceTypes || referenceTypes.indexOf(symbol.type) === -1) {
return false;
}
var nodeSymbol = this.internalFindSymbol(node, referenceTypes);
return nodeSymbol === symbol;
};
Symbols.prototype.findSymbol = function (name, type, offset) {
var scope = this.global.findScope(offset);
while (scope) {
var symbol = scope.getSymbol(name, type);
if (symbol) {
return symbol;
}
scope = scope.parent;
}
return null;
};
return Symbols;
}());
exports.Symbols = Symbols;
});
//# sourceMappingURL=cssSymbolScope.js.map |