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Implement getScope

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This commit is contained in:
Mohamed Hegazy
2014-08-22 16:30:21 -07:00
parent dbf9e47832
commit fefe2fb093
6 changed files with 137 additions and 34 deletions
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41
src/services/services.ts
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@@ -2163,7 +2163,7 @@ module ts {
// Compute the meaning from the location and the symbol it references
var searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), symbol.getDeclarations());
var scope = getSymbolScope(symbol, node);
var scope = getSymbolScope(symbol);
if (scope) {
result = [];
@@ -2184,9 +2184,42 @@ module ts {
return result;
function getSymbolScope(symbol: Symbol, node: Node): Node {
/// TODO: find the enclosing scope
return undefined;
function getSymbolScope(symbol: Symbol): Node {
// If this is private property or method, the scope is the containing class
if (symbol.getFlags() && (SymbolFlags.Property | SymbolFlags.Method)) {
var privateDeclaration = forEach(symbol.getDeclarations(), d => (d.flags & NodeFlags.Private) ? d : undefined);
if (privateDeclaration) {
return privateDeclaration.parent;
}
}
// if this symbol is visible from its parent container, e.g. exported, then bail out
if (symbol.parent) {
return undefined;
}
var scope: Node = undefined;
var declarations = symbol.getDeclarations();
for (var i = 0, n = declarations.length; i < n; i++) {
var container = getContainerNode(declarations[i]);
if (scope && scope !== container) {
// Diffrent declarations have diffrent containers, bail out
return undefined;
}
if (container.kind === SyntaxKind.SourceFile && !isExternalModule(<SourceFile>container)) {
// This is a global variable and not an external module, any declaration defined
// withen this scope is visible outside the file
return undefined;
}
// The search scope is the container node
scope = container;
}
return scope;
}
function getPossibleSymbolReferencePositions(sourceFile: SourceFile, symbolName: string, start: number, end: number): number[] {