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Merge branch 'typingHighFidelity' into sourceFileUpdate

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Conflicts:
	tests/cases/unittests/incrementalParser.ts
This commit is contained in:
Cyrus Najmabadi 2014-12-14 12:06:26 -08:00
parent e259ee9f8f 2bb0eb604b
commit e1e5243335
30 changed files with 130 additions and 260 deletions
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10
src/compiler/types.ts
View file

@ -323,14 +323,12 @@ module ts {
// Context flags computed by aggregating child flags upwards.
// If this node, or any of it's children (transitively) contain an error.
// Used during incremental parsing to determine if this node or any of its children had an
// error. Computed only once and then cached.
ThisNodeOrAnySubNodesHasError = 1 << 5,
// Used during incremental parsing to determine if we need to visit this node to see if
// any of its children had an error. Once we compute that once, we can set this bit on the
// node to know that we never have to do it again. From that point on, we can just check
// the node directly for 'ContainsError'.
HasComputedThisNodeOrAnySubNodesHasError = 1 << 6
// Used to know if we've computed data from children and cached it in this node.
HasAggregatedChildData = 1 << 6
}
export interface Node extends TextRange {

17
src/compiler/utilities.ts
View file

@ -62,31 +62,34 @@ module ts {
return node.end - node.pos;
}
export function hasFlag(val: number, flag: number): boolean {
function hasFlag(val: number, flag: number): boolean {
return (val & flag) !== 0;
}
// Returns true if this node contains a parse error anywhere underneath it.
export function containsParseError(node: Node): boolean {
if (!hasFlag(node.parserContextFlags, ParserContextFlags.HasComputedThisNodeOrAnySubNodesHasError)) {
aggregateChildData(node);
return hasFlag(node.parserContextFlags, ParserContextFlags.ThisNodeOrAnySubNodesHasError);
}
function aggregateChildData(node: Node): void {
if (!hasFlag(node.parserContextFlags, ParserContextFlags.HasAggregatedChildData)) {
// A node is considered to contain a parse error if:
// a) the parser explicitly marked that it had an error
// b) any of it's children reported that it had an error.
var val = hasFlag(node.parserContextFlags, ParserContextFlags.ThisNodeHasError) ||
var thisNodeOrAnySubNodesHasError = hasFlag(node.parserContextFlags, ParserContextFlags.ThisNodeHasError) ||
forEachChild(node, containsParseError);
// If so, mark ourselves accordingly.
if (val) {
if (thisNodeOrAnySubNodesHasError) {
node.parserContextFlags |= ParserContextFlags.ThisNodeOrAnySubNodesHasError;
}
// Also mark that we've propogated the child information to this node. This way we can
// always consult the bit directly on this node without needing to check its children
// again.
node.parserContextFlags |= ParserContextFlags.HasComputedThisNodeOrAnySubNodesHasError;
node.parserContextFlags |= ParserContextFlags.HasAggregatedChildData;
}
return hasFlag(node.parserContextFlags, ParserContextFlags.ThisNodeOrAnySubNodesHasError);
}
export function getSourceFileOfNode(node: Node): SourceFile {

82
src/harness/fourslash.ts
View file

@ -96,19 +96,6 @@ module FourSlash {
end: number;
}
export enum IncrementalEditValidation {
None,
SyntacticOnly,
Complete
}
export enum TypingFidelity {
/// Performs typing and formatting (if formatting is enabled)
Low,
/// Performs typing, checks completion lists, signature help, and formatting (if enabled)
High
}
var entityMap: ts.Map<string> = {
'&': '&amp;',
'"': '&quot;',
@ -279,9 +266,6 @@ module FourSlash {
public cancellationToken: TestCancellationToken;
public editValidation = IncrementalEditValidation.Complete;
public typingFidelity = TypingFidelity.Low;
private scenarioActions: string[] = [];
private taoInvalidReason: string = null;
@ -1233,11 +1217,6 @@ module FourSlash {
ts.forEach(fileNames, Harness.IO.log);
}
private editCheckpoint(filename: string) {
// TODO: What's this for? It is being called by deleteChar
// this.languageService.getScriptLexicalStructure(filename);
}
public deleteChar(count = 1) {
this.scenarioActions.push('<DeleteCharNext Count="' + count + '" />');
@ -1248,7 +1227,7 @@ module FourSlash {
// Make the edit
this.languageServiceShimHost.editScript(this.activeFile.fileName, offset, offset + 1, ch);
this.updateMarkersForEdit(this.activeFile.fileName, offset, offset + 1, ch);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
// Handle post-keystroke formatting
if (this.enableFormatting) {
@ -1269,7 +1248,7 @@ module FourSlash {
this.languageServiceShimHost.editScript(this.activeFile.fileName, start, start + length, text);
this.updateMarkersForEdit(this.activeFile.fileName, start, start + length, text);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
this.checkPostEditInvariants();
}
@ -1285,13 +1264,13 @@ module FourSlash {
// Make the edit
this.languageServiceShimHost.editScript(this.activeFile.fileName, offset, offset + 1, ch);
this.updateMarkersForEdit(this.activeFile.fileName, offset, offset + 1, ch);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
// Handle post-keystroke formatting
if (this.enableFormatting) {
var edits = this.languageService.getFormattingEditsAfterKeystroke(this.activeFile.fileName, offset, ch, this.formatCodeOptions);
offset += this.applyEdits(this.activeFile.fileName, edits, true);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
}
}
@ -1299,7 +1278,6 @@ module FourSlash {
this.currentCaretPosition = offset;
this.fixCaretPosition();
this.checkPostEditInvariants();
}
@ -1311,37 +1289,7 @@ module FourSlash {
this.scenarioActions.push('<InsertText><![CDATA[' + text + ']]></InsertText>');
}
if (this.typingFidelity === TypingFidelity.Low) {
return this.typeLowFidelity(text);
} else {
return this.typeHighFidelity(text);
}
}
private typeLowFidelity(text: string) {
var offset = this.currentCaretPosition;
for (var i = 0; i < text.length; i++) {
// Make the edit
var ch = text.charAt(i);
this.languageServiceShimHost.editScript(this.activeFile.fileName, offset, offset, ch);
this.updateMarkersForEdit(this.activeFile.fileName, offset, offset, ch);
this.editCheckpoint(this.activeFile.fileName);
offset++;
// Handle post-keystroke formatting
if (this.enableFormatting) {
var edits = this.languageService.getFormattingEditsAfterKeystroke(this.activeFile.fileName, offset, ch, this.formatCodeOptions);
offset += this.applyEdits(this.activeFile.fileName, edits, true);
this.editCheckpoint(this.activeFile.fileName);
}
}
// Move the caret to wherever we ended up
this.currentCaretPosition = offset;
this.fixCaretPosition();
this.checkPostEditInvariants();
return this.typeHighFidelity(text);
}
// Enters lines of text at the current caret position, invoking
@ -1357,7 +1305,7 @@ module FourSlash {
this.languageService.getBraceMatchingAtPosition(this.activeFile.fileName, offset);
this.updateMarkersForEdit(this.activeFile.fileName, offset, offset, ch);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
offset++;
if (ch === '(' || ch === ',') {
@ -1377,7 +1325,7 @@ module FourSlash {
if (this.enableFormatting) {
var edits = this.languageService.getFormattingEditsAfterKeystroke(this.activeFile.fileName, offset, ch, this.formatCodeOptions);
offset += this.applyEdits(this.activeFile.fileName, edits, true);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
}
}
@ -1385,7 +1333,6 @@ module FourSlash {
this.currentCaretPosition = offset;
this.fixCaretPosition();
this.checkPostEditInvariants();
}
@ -1397,14 +1344,14 @@ module FourSlash {
var offset = this.currentCaretPosition;
this.languageServiceShimHost.editScript(this.activeFile.fileName, offset, offset, text);
this.updateMarkersForEdit(this.activeFile.fileName, offset, offset, text);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
offset += text.length;
// Handle formatting
if (this.enableFormatting) {
var edits = this.languageService.getFormattingEditsForRange(this.activeFile.fileName, start, offset, this.formatCodeOptions);
offset += this.applyEdits(this.activeFile.fileName, edits, true);
this.editCheckpoint(this.activeFile.fileName);
this.checkPostEditInvariants();
}
// Move the caret to wherever we ended up
@ -1415,10 +1362,6 @@ module FourSlash {
}
private checkPostEditInvariants() {
if (this.editValidation === IncrementalEditValidation.None) {
return;
}
var incrementalSourceFile = this.languageService.getSourceFile(this.activeFile.fileName);
var incrementalSyntaxDiagnostics = JSON.stringify(Utils.convertDiagnostics(incrementalSourceFile.getSyntacticDiagnostics()));
@ -1434,12 +1377,7 @@ module FourSlash {
this.raiseError('Mismatched incremental/reference syntactic diagnostics for file ' + this.activeFile.fileName + '.\n=== Incremental diagnostics ===\n' + incrementalSyntaxDiagnostics + '\n=== Reference Diagnostics ===\n' + referenceSyntaxDiagnostics);
}
var incrementalSourceFileJSON = Utils.sourceFileToJSON(incrementalSourceFile);
var referenceSourceFileJSON = Utils.sourceFileToJSON(referenceSourceFile);
if (incrementalSyntaxDiagnostics !== referenceSyntaxDiagnostics) {
this.raiseError('Mismatched incremental/reference ast for file ' + this.activeFile.fileName + '.\n=== Incremental AST ===\n' + incrementalSourceFileJSON + '\n=== Reference AST ===\n' + referenceSourceFileJSON);
}
Utils.assertStructuralEquals(incrementalSourceFile, referenceSourceFile);
//if (this.editValidation !== IncrementalEditValidation.SyntacticOnly) {
// var compiler = new TypeScript.TypeScriptCompiler();

58
src/harness/harness.ts
View file

@ -290,6 +290,64 @@ module Utils {
return o;
}
}
export function assertStructuralEquals(node1: ts.Node, node2: ts.Node) {
if (node1 === node2) {
return;
}
assert(node1, "node1");
assert(node2, "node2");
assert.equal(node1.pos, node2.pos, "node1.pos !== node2.pos");
assert.equal(node1.end, node2.end, "node1.end !== node2.end");
assert.equal(node1.kind, node2.kind, "node1.kind !== node2.kind");
assert.equal(node1.flags, node2.flags, "node1.flags !== node2.flags");
// call this on both nodes to ensure all propagated flags have been set (and thus can be
// compared).
assert.equal(ts.containsParseError(node1), ts.containsParseError(node2));
assert.equal(node1.parserContextFlags, node2.parserContextFlags, "node1.parserContextFlags !== node2.parserContextFlags");
ts.forEachChild(node1,
child1 => {
var childName = findChildName(node1, child1);
var child2: ts.Node = (<any>node2)[childName];
assertStructuralEquals(child1, child2);
},
(array1: ts.NodeArray<ts.Node>) => {
var childName = findChildName(node1, array1);
var array2: ts.NodeArray<ts.Node> = (<any>node2)[childName];
assertArrayStructuralEquals(array1, array2);
});
}
function assertArrayStructuralEquals(array1: ts.NodeArray<ts.Node>, array2: ts.NodeArray<ts.Node>) {
if (array1 === array2) {
return;
}
assert(array1, "array1");
assert(array2, "array2");
assert.equal(array1.pos, array2.pos, "array1.pos !== array2.pos");
assert.equal(array1.end, array2.end, "array1.end !== array2.end");
assert.equal(array1.length, array2.length, "array1.length !== array2.length");
for (var i = 0, n = array1.length; i < n; i++) {
assertStructuralEquals(array1[i], array2[i]);
}
}
function findChildName(parent: any, child: any) {
for (var name in parent) {
if (parent.hasOwnProperty(name) && parent[name] === child) {
return name;
}
}
throw new Error("Could not find child in parent");
}
}
module Harness.Path {

1
tests/cases/fourslash/addMemberToInterface.ts
View file

@ -9,7 +9,6 @@
//// }
edit.disableFormatting();
diagnostics.setEditValidation(IncrementalEditValidation.SyntacticOnly);
goTo.marker('check');
verify.quickInfoIs('module Mod');

28
tests/cases/fourslash/addMemberToModule.ts
View file

@ -1,20 +1,18 @@
/// <reference path="fourslash.ts" />
/// <reference path="fourslash.ts" />
////module A {
//// /*var*/
////}
////module /*check*/A {
//// var p;
////}
diagnostics.setEditValidation(IncrementalEditValidation.SyntacticOnly);
goTo.marker('check');
verify.quickInfoExists();
goTo.marker('var');
edit.insert('var o;');
goTo.marker('check');
verify.quickInfoExists();
////}
goTo.marker('check');
verify.quickInfoExists();
goTo.marker('var');
edit.insert('var o;');
goTo.marker('check');
verify.quickInfoExists();

3
tests/cases/fourslash/cancellationWhenfindingAllRefsOnDefinition.ts
View file

@ -23,8 +23,6 @@
////second.start();
////second.stop();
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.file("findAllRefsOnDefinition-import.ts");
goTo.marker("1");
@ -38,4 +36,3 @@ verifyOperationIsCancelled(() => verify.referencesCountIs(0) );
cancellation.resetCancelled();
goTo.marker("1");
verify.referencesCountIs(2);

2
tests/cases/fourslash/cloduleAsBaseClass.ts
View file

@ -26,8 +26,6 @@
// this line triggers a semantic/syntactic error check, remove line when 788570 is fixed
edit.insert('');
diagnostics.setTypingFidelity(TypingFidelity.High);
goTo.marker('1');
verify.completionListContains('foo');
verify.completionListContains('foo2');

1
tests/cases/fourslash/cloduleAsBaseClass2.ts
View file

@ -30,7 +30,6 @@
// this line triggers a semantic/syntactic error check, remove line when 788570 is fixed
edit.insert('');
diagnostics.setTypingFidelity(TypingFidelity.High);
goTo.marker('1');
verify.completionListContains('foo');

3
tests/cases/fourslash/completionBeforeSemanticDiagnosticsInArrowFunction1.ts
View file

@ -3,9 +3,6 @@
//// var f4 = <T>(x: T/**/ ) => {
//// }
// Turn off edit validation. We don't want semantic diagnostics to run until we explicit call it.
fs.diagnostics.setEditValidation(IncrementalEditValidation.None);
fs.goTo.marker();
// Replace the "T" type with the non-existent type 'V'.

1
tests/cases/fourslash/completionEntryForPrimitive.ts
View file

@ -2,7 +2,6 @@
////var x = Object.create(/**/
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker();
verify.not.completionListIsEmpty();
edit.insert("nu");

2
tests/cases/fourslash/errorsAfterResolvingVariableDeclOfMergedVariableAndClassDecl.ts
View file

@ -10,8 +10,6 @@
//// }
////}
diagnostics.setEditValidation(IncrementalEditValidation.None);
verify.numberOfErrorsInCurrentFile(0);
// Edit and bind and resolve only var decl

2
tests/cases/fourslash/findAllRefsOnDefinition.ts
View file

@ -23,8 +23,6 @@
////second.start();
////second.stop();
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.file("findAllRefsOnDefinition-import.ts");
goTo.marker("1");

2
tests/cases/fourslash/findAllRefsOnDefinition2.ts
View file

@ -14,8 +14,6 @@
////var start: Second.Test.start;
////var stop: Second.Test.stop;
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.file("findAllRefsOnDefinition2-import.ts");
goTo.marker("1");

21
tests/cases/fourslash/fourslash.ts
View file

@ -31,19 +31,6 @@
declare var FourSlash;
enum IncrementalEditValidation {
None = FourSlash.IncrementalEditValidation.None,
SyntacticOnly = FourSlash.IncrementalEditValidation.SyntacticOnly,
Complete = FourSlash.IncrementalEditValidation.Complete
}
enum TypingFidelity {
/** Performs typing and formatting (if formatting is enabled) */
Low = FourSlash.TypingFidelity.Low,
/** Performs typing, checks completion lists, signature help, and formatting (if enabled) */
High = FourSlash.TypingFidelity.High
}
// Return code used by getEmitOutput function to indicate status of the function
// It is a duplicate of the one in types.ts to expose it to testcases in fourslash
enum EmitReturnStatus {
@ -101,14 +88,6 @@ module FourSlashInterface {
public validateTypesAtPositions(...positions: number[]) {
return FourSlash.currentTestState.verifyTypesAgainstFullCheckAtPositions(positions);
}
public setEditValidation(validation: IncrementalEditValidation) {
FourSlash.currentTestState.editValidation = validation;
}
public setTypingFidelity(fidelity: TypingFidelity) {
FourSlash.currentTestState.typingFidelity = fidelity;
}
}
export class goTo {

3
tests/cases/fourslash/getCompletionEntryDetails.ts
View file

@ -7,9 +7,6 @@
////var bbb: string;
/////*1*/
// Disable test triggered type check
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker("1");
verify.completionListContains("aaa");
verify.completionListContains("bbb");

6
tests/cases/fourslash/incrementalEditInvocationExpressionAboveInterfaceDeclaration.ts
View file

@ -4,9 +4,7 @@
/////*1*/
////interface Foo {
//// setISO8601(dString): Date;
////}
diagnostics.setEditValidation(IncrementalEditValidation.None);
////}
// Do resolve without typeCheck
goTo.marker('1');
@ -14,4 +12,4 @@ edit.insert("alert(");
verify.currentSignatureHelpIs("alert(message?: any): void");
// TypeCheck
verify.errorExistsAfterMarker('1');
verify.errorExistsAfterMarker('1');

2
tests/cases/fourslash/incrementalParsing1.ts
View file

@ -20,7 +20,5 @@
// Force a syntax tree ot be created.
verify.noMatchingBracePositionInCurrentFile(0);
// make sure we check the tree after every edit.
diagnostics.setTypingFidelity(TypingFidelity.High);
goTo.marker('1');
edit.insert('Fo');

6
tests/cases/fourslash/incrementalResolveAccessor.ts
View file

@ -9,10 +9,8 @@
//// }
////}
////var val = new c1();
////var b = val.p1;
/////*1*/b;
diagnostics.setEditValidation(IncrementalEditValidation.None);
////var b = val.p1;
/////*1*/b;
// Resolve without typeCheck
goTo.marker('1');

4
tests/cases/fourslash/incrementalResolveConstructorDeclaration.ts
View file

@ -7,9 +7,7 @@
//// }
////}
////var val = new c1("hello");
/////*1*/val;
diagnostics.setEditValidation(IncrementalEditValidation.None);
/////*1*/val;
// Do resolve without typeCheck
goTo.marker('1');

7
tests/cases/fourslash/incrementalResolveFunctionPropertyAssignment.ts
View file

@ -19,13 +19,10 @@
//// });
////}
////var val = foo(["myString1", "myString2"]);
/////*1*/val;
/////*1*/val;
diagnostics.setEditValidation(IncrementalEditValidation.None);
// Do resolve without typeCheck
goTo.marker('1');
verify.quickInfoIs("(var) val: string");
// TypeCheck
verify.numberOfErrorsInCurrentFile(1);
verify.numberOfErrorsInCurrentFile(1);

4
tests/cases/fourslash/quickInfoOnMergedInterfaces.ts
View file

@ -16,7 +16,5 @@
//// var /*1*/r4 = a(1, true);
////}
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker('1');
verify.quickInfoIs("(var) r4: number");
verify.quickInfoIs("(var) r4: number");

2
tests/cases/fourslash/quickInfoOnMergedInterfacesWithIncrementalEdits.ts
View file

@ -12,8 +12,6 @@
//// var r/*2*/4 = b.b/*1*/ar; // string
////}
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker('1');
verify.quickInfoIs("(property) B<string>.bar: string", undefined);
edit.deleteAtCaret(1);

2
tests/cases/fourslash/quickInfoOnMergedModule.ts
View file

@ -15,8 +15,6 @@
//// var r = a.fo/*1*/o + a.bar;
////}
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker('1');
verify.quickInfoIs("(property) M2.A.foo: string", undefined);
verify.numberOfErrorsInCurrentFile(0);

1
tests/cases/fourslash/quickInfoOnUnResolvedBaseConstructorSignature.ts
View file

@ -10,6 +10,5 @@
////}
////new class/*1*/InheritingSpecializedClass();
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker('1');
verify.quickInfoExists();

11
tests/cases/fourslash/signatureHelpInFunctionCallOnFunctionDeclarationInMultipleFiles.ts
View file

@ -2,13 +2,12 @@
// @Filename: signatureHelpInFunctionCallOnFunctionDeclarationInMultipleFiles_file0.ts
////declare function fn(x: string, y: number);
// @Filename: signatureHelpInFunctionCallOnFunctionDeclarationInMultipleFiles_file1.ts
////declare function fn(x: string);
// @Filename: signatureHelpInFunctionCallOnFunctionDeclarationInMultipleFiles_file2.ts
////fn(/*1*/
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker('1');
////fn(/*1*/
goTo.marker('1');
verify.signatureHelpCountIs(2);

1
tests/cases/fourslash/signatureHelpOnSuperWhenMembersAreNotResolved.ts
View file

@ -8,7 +8,6 @@
//// }
////}
diagnostics.setEditValidation(IncrementalEditValidation.None);
goTo.marker("1");
edit.insert("super(");
verify.currentSignatureHelpIs("B(x: string): B");

2
tests/cases/fourslash/typeCheckAfterAddingGenericParameter.ts
View file

@ -13,8 +13,6 @@
//// }
////
diagnostics.setEditValidation(IncrementalEditValidation.SyntacticOnly);
goTo.marker('addParam');
edit.insert(", X");

45
tests/cases/fourslash/typeCheckAfterResolve.ts
View file

@ -1,28 +1,25 @@
/// <reference path="fourslash.ts" />
/// <reference path="fourslash.ts" />
/////*start*/class Point implements /*IPointRef*/IPoint {
//// getDist() {
//// ssss;
//// }
////}/*end*/
// make sure no typeCheck is triggered after edit
diagnostics.setEditValidation(IncrementalEditValidation.None);
// Edit to invalidate the intial typeCheck state
goTo.eof();
edit.insertLine("");
// Attempt to resolve a symbol
goTo.marker("IPointRef");
verify.quickInfoIs(""); // not found
// trigger typecheck after the partial resolve, we should see errors
verify.errorExistsAfterMarker("IPointRef");
goTo.eof();
edit.insertLine("");
// one more time with full typecheck
verify.errorExistsAfterMarker("IPointRef");
////}/*end*/
// Edit to invalidate the intial typeCheck state
goTo.eof();
edit.insertLine("");
// Attempt to resolve a symbol
goTo.marker("IPointRef");
verify.quickInfoIs(""); // not found
// trigger typecheck after the partial resolve, we should see errors
verify.errorExistsAfterMarker("IPointRef");
goTo.eof();
edit.insertLine("");
// one more time with full typecheck
verify.errorExistsAfterMarker("IPointRef");

61
tests/cases/unittests/incrementalParser.ts
View file

@ -59,7 +59,7 @@ module ts {
Utils.assertInvariants(incrementalNewTree, /*parent:*/ undefined);
// We should get the same tree when doign a full or incremental parse.
assertStructuralEquals(newTree, incrementalNewTree);
Utils.assertStructuralEquals(newTree, incrementalNewTree);
// We should also get the exact same set of diagnostics.
assertSameDiagnostics(newTree, incrementalNewTree);
@ -78,65 +78,6 @@ module ts {
return incrementalNewTree;
}
function assertStructuralEquals(node1: Node, node2: Node) {
if (node1 === node2) {
return;
}
assert(node1, "node1");
assert(node2, "node2");
assert.equal(node1.pos, node2.pos, "node1.pos !== node2.pos");
assert.equal(node1.end, node2.end, "node1.end !== node2.end");
assert.equal(node1.kind, node2.kind, "node1.kind !== node2.kind");
// call this on both nodes to ensure all propagated flags have been set (and thus can be
// compared).
ts.containsParseError(node1);
ts.containsParseError(node2);
assert.equal(node1.flags, node2.flags, "node1.flags !== node2.flags");
assert.equal(node1.parserContextFlags, node2.parserContextFlags, "node1.parserContextFlags !== node2.parserContextFlags");
forEachChild(node1,
child1 => {
var childName = findChildName(node1, child1);
var child2: Node = (<any>node2)[childName];
assertStructuralEquals(child1, child2);
},
(array1: NodeArray<Node>) => {
var childName = findChildName(node1, array1);
var array2: NodeArray<Node> = (<any>node2)[childName];
assertArrayStructuralEquals(array1, array2);
});
}
function assertArrayStructuralEquals(array1: NodeArray<Node>, array2: NodeArray<Node>) {
if (array1 === array2) {
return;
}
assert(array1, "array1");
assert(array2, "array2");
assert.equal(array1.pos, array2.pos, "array1.pos !== array2.pos");
assert.equal(array1.end, array2.end, "array1.end !== array2.end");
assert.equal(array1.length, array2.length, "array1.length !== array2.length");
for (var i = 0, n = array1.length; i < n; i++) {
assertStructuralEquals(array1[i], array2[i]);
}
}
function findChildName(parent: any, child: any) {
for (var name in parent) {
if (parent.hasOwnProperty(name) && parent[name] === child) {
return name;
}
}
throw new Error("Could not find child in parent");
}
function reusedElements(oldNode: SourceFile, newNode: SourceFile): number {
var allOldElements = collectElements(oldNode);
var allNewElements = collectElements(newNode);