Merge pull request #985 from Microsoft/removeSyntaxTree

Remove syntaxTree from SourceFileObject
This commit is contained in:
CyrusNajmabadi
2014-10-28 19:23:58 -07:00

View File

@@ -71,8 +71,6 @@ module ts {
}
export interface SourceFile {
getSourceUnit(): TypeScript.SourceUnitSyntax;
getSyntaxTree(): TypeScript.SyntaxTree;
getScriptSnapshot(): TypeScript.IScriptSnapshot;
getNamedDeclarations(): Declaration[];
update(scriptSnapshot: TypeScript.IScriptSnapshot, version: string, isOpen: boolean, textChangeRange: TypeScript.TextChangeRange): SourceFile;
@@ -660,23 +658,13 @@ module ts {
public languageVersion: ScriptTarget;
public identifiers: Map<string>;
private syntaxTree: TypeScript.SyntaxTree;
private scriptSnapshot: TypeScript.IScriptSnapshot;
private namedDeclarations: Declaration[];
public getSourceUnit(): TypeScript.SourceUnitSyntax {
// If we don't have a script, create one from our parse tree.
return this.getSyntaxTree().sourceUnit();
}
public getScriptSnapshot(): TypeScript.IScriptSnapshot {
return this.scriptSnapshot;
}
public getLineMap(): TypeScript.LineMap {
return this.getSyntaxTree().lineMap();
}
public getNamedDeclarations() {
if (!this.namedDeclarations) {
var sourceFile = this;
@@ -749,32 +737,11 @@ module ts {
return this.namedDeclarations;
}
public getSyntaxTree(): TypeScript.SyntaxTree {
if (!this.syntaxTree) {
var start = new Date().getTime();
this.syntaxTree = TypeScript.Parser.parse(
this.filename, TypeScript.SimpleText.fromScriptSnapshot(this.scriptSnapshot), this.languageVersion, this.isDeclareFile());
var time = new Date().getTime() - start;
//TypeScript.syntaxTreeParseTime += time;
}
return this.syntaxTree;
}
private isDeclareFile(): boolean {
return TypeScript.isDTSFile(this.filename);
}
public update(scriptSnapshot: TypeScript.IScriptSnapshot, version: string, isOpen: boolean, textChangeRange: TypeScript.TextChangeRange): SourceFile {
// See if we are currently holding onto a syntax tree. We may not be because we're
// either a closed file, or we've just been lazy and haven't had to create the syntax
// tree yet. Access the field instead of the method so we don't accidentally realize
// the old syntax tree.
var oldSyntaxTree = this.syntaxTree;
if (textChangeRange && Debug.shouldAssert(AssertionLevel.Normal)) {
var oldText = this.scriptSnapshot;
var newText = scriptSnapshot;
@@ -792,21 +759,12 @@ module ts {
}
}
var text = TypeScript.SimpleText.fromScriptSnapshot(scriptSnapshot);
// If we don't have a text change, or we don't have an old syntax tree, then do a full
// parse. Otherwise, do an incremental parse.
var newSyntaxTree = !textChangeRange || !oldSyntaxTree
? TypeScript.Parser.parse(this.filename, text, this.languageVersion, TypeScript.isDTSFile(this.filename))
: TypeScript.IncrementalParser.parse(oldSyntaxTree, textChangeRange, text);
return SourceFileObject.createSourceFileObject(this.filename, scriptSnapshot, this.languageVersion, version, isOpen, newSyntaxTree);
return SourceFileObject.createSourceFileObject(this.filename, scriptSnapshot, this.languageVersion, version, isOpen);
}
public static createSourceFileObject(filename: string, scriptSnapshot: TypeScript.IScriptSnapshot, languageVersion: ScriptTarget, version: string, isOpen: boolean, syntaxTree?: TypeScript.SyntaxTree) {
public static createSourceFileObject(filename: string, scriptSnapshot: TypeScript.IScriptSnapshot, languageVersion: ScriptTarget, version: string, isOpen: boolean) {
var newSourceFile = <SourceFileObject><any>createSourceFile(filename, scriptSnapshot.getText(0, scriptSnapshot.getLength()), languageVersion, version, isOpen);
newSourceFile.scriptSnapshot = scriptSnapshot;
newSourceFile.syntaxTree = syntaxTree;
return newSourceFile;
}
}
@@ -1637,7 +1595,9 @@ module ts {
private initialize(filename: string) {
// ensure that both source file and syntax tree are either initialized or not initialized
Debug.assert(!!this.currentFileSyntaxTree === !!this.currentSourceFile);
var start = new Date().getTime();
this.hostCache = new HostCache(this.host);
this.host.log("SyntaxTreeCache.Initialize: new HostCache: " + (new Date().getTime() - start));
var version = this.hostCache.getVersion(filename);
var syntaxTree: TypeScript.SyntaxTree = null;
@@ -1645,22 +1605,37 @@ module ts {
if (this.currentFileSyntaxTree === null || this.currentFilename !== filename) {
var scriptSnapshot = this.hostCache.getScriptSnapshot(filename);
var start = new Date().getTime();
syntaxTree = this.createSyntaxTree(filename, scriptSnapshot);
sourceFile = createSourceFileFromScriptSnapshot(filename, scriptSnapshot, getDefaultCompilerOptions(), version, /*isOpen*/ true);
this.host.log("SyntaxTreeCache.Initialize: createSyntaxTree: " + (new Date().getTime() - start));
var start = new Date().getTime();
sourceFile = createSourceFileFromScriptSnapshot(filename, scriptSnapshot, getDefaultCompilerOptions(), version, /*isOpen*/ true);
this.host.log("SyntaxTreeCache.Initialize: createSourceFile: " + (new Date().getTime() - start));
var start = new Date().getTime();
fixupParentReferences(sourceFile);
this.host.log("SyntaxTreeCache.Initialize: fixupParentRefs : " + (new Date().getTime() - start));
}
else if (this.currentFileVersion !== version) {
var scriptSnapshot = this.hostCache.getScriptSnapshot(filename);
var start = new Date().getTime();
syntaxTree = this.updateSyntaxTree(filename, scriptSnapshot,
this.currentSourceFile.getScriptSnapshot(), this.currentFileSyntaxTree, this.currentFileVersion);
this.host.log("SyntaxTreeCache.Initialize: updateSyntaxTree: " + (new Date().getTime() - start));
var editRange = this.hostCache.getChangeRange(filename, this.currentFileVersion, this.currentSourceFile.getScriptSnapshot());
var start = new Date().getTime();
sourceFile = !editRange
? createSourceFileFromScriptSnapshot(filename, scriptSnapshot, getDefaultCompilerOptions(), version, /*isOpen*/ true)
: this.currentSourceFile.update(scriptSnapshot, version, /*isOpen*/ true, editRange);
this.host.log("SyntaxTreeCache.Initialize: updateSourceFile: " + (new Date().getTime() - start));
var start = new Date().getTime();
fixupParentReferences(sourceFile);
this.host.log("SyntaxTreeCache.Initialize: fixupParentRefs : " + (new Date().getTime() - start));
}
if (syntaxTree !== null) {
@@ -5066,10 +5041,17 @@ module ts {
function getIndentationAtPosition(filename: string, position: number, editorOptions: EditorOptions) {
filename = TypeScript.switchToForwardSlashes(filename);
var start = new Date().getTime();
var sourceFile = getCurrentSourceFile(filename);
host.log("getIndentationAtPosition: getCurrentSourceFile: " + (new Date().getTime() - start));
var start = new Date().getTime();
var options = new TypeScript.FormattingOptions(!editorOptions.ConvertTabsToSpaces, editorOptions.TabSize, editorOptions.IndentSize, editorOptions.NewLineCharacter)
return formatting.SmartIndenter.getIndentation(position, sourceFile, options);
var result = formatting.SmartIndenter.getIndentation(position, sourceFile, options);
host.log("getIndentationAtPosition: computeIndentation : " + (new Date().getTime() - start));
return result;
}
function getFormattingManager(filename: string, options: FormatCodeOptions) {