Fix deprecated contextual property memory regression

internal/ast/diagnostic.go

@@ -163,29 +163,69 @@ func NewCompilerDiagnostic(message *diagnostics.Message, args ...any) *Diagnosti
 type DiagnosticsCollection struct {
 	mu                       sync.Mutex
 	count                    int
-	fileDiagnostics          map[string][]*Diagnostic
-	fileDiagnosticsSorted    collections.Set[string]
+	fileDiagnostics          map[*SourceFile][]*Diagnostic
+	fileDiagnosticsSorted    collections.Set[*SourceFile]
 	nonFileDiagnostics       []*Diagnostic
 	nonFileDiagnosticsSorted bool
+	diagnosticIndex          map[diagnosticLocationKey]*Diagnostic
+	diagnosticCollisions     map[diagnosticLocationKey][]*Diagnostic
 }
 
-func (c *DiagnosticsCollection) Add(diagnostic *Diagnostic) {
+func (c *DiagnosticsCollection) Add(diagnostic *Diagnostic) *Diagnostic {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
+	key := getDiagnosticLocationKey(diagnostic)
+	if existing := c.diagnosticIndex[key]; existing != nil {
+		if EqualDiagnostics(existing, diagnostic) {
+			return existing
+		}
+		for _, collision := range c.diagnosticCollisions[key] {
+			if EqualDiagnostics(collision, diagnostic) {
+				return collision
+			}
+		}
+	}
+	if c.diagnosticIndex == nil {
+		c.diagnosticIndex = make(map[diagnosticLocationKey]*Diagnostic)
+	}
+	if c.diagnosticIndex[key] == nil {
+		c.diagnosticIndex[key] = diagnostic
+	} else {
+		if c.diagnosticCollisions == nil {
+			c.diagnosticCollisions = make(map[diagnosticLocationKey][]*Diagnostic)
+		}
+		c.diagnosticCollisions[key] = append(c.diagnosticCollisions[key], diagnostic)
+	}
+
 	c.count++
 
 	if diagnostic.File() != nil {
-		fileName := diagnostic.File().FileName()
+		file := diagnostic.File()
 		if c.fileDiagnostics == nil {
-			c.fileDiagnostics = make(map[string][]*Diagnostic)
+			c.fileDiagnostics = make(map[*SourceFile][]*Diagnostic)
 		}
-		c.fileDiagnostics[fileName] = append(c.fileDiagnostics[fileName], diagnostic)
-		c.fileDiagnosticsSorted.Delete(fileName)
+		c.fileDiagnostics[file] = append(c.fileDiagnostics[file], diagnostic)
+		c.fileDiagnosticsSorted.Delete(file)
 	} else {
 		c.nonFileDiagnostics = append(c.nonFileDiagnostics, diagnostic)
 		c.nonFileDiagnosticsSorted = false
 	}
+	return diagnostic
+}
+
+type diagnosticLocationKey struct {
+	file *SourceFile
+	loc  core.TextRange
+	code int32
+}
+
+func getDiagnosticLocationKey(diagnostic *Diagnostic) diagnosticLocationKey {
+	return diagnosticLocationKey{
+		file: diagnostic.File(),
+		loc:  diagnostic.Loc(),
+		code: diagnostic.Code(),
+	}
 }
 
 func (c *DiagnosticsCollection) Lookup(diagnostic *Diagnostic) *Diagnostic {
@@ -194,7 +234,7 @@ func (c *DiagnosticsCollection) Lookup(diagnostic *Diagnostic) *Diagnostic {
 
 	var diagnostics []*Diagnostic
 	if diagnostic.File() != nil {
-		diagnostics = c.getDiagnosticsForFileLocked(diagnostic.File().FileName())
+		diagnostics = c.getDiagnosticsForFileLocked(diagnostic.File())
 	} else {
 		diagnostics = c.getGlobalDiagnosticsLocked()
 	}
@@ -219,19 +259,19 @@ func (c *DiagnosticsCollection) getGlobalDiagnosticsLocked() []*Diagnostic {
 	return slices.Clone(c.nonFileDiagnostics)
 }
 
-func (c *DiagnosticsCollection) GetDiagnosticsForFile(fileName string) []*Diagnostic {
+func (c *DiagnosticsCollection) GetDiagnosticsForFile(file *SourceFile) []*Diagnostic {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
-	return c.getDiagnosticsForFileLocked(fileName)
+	return c.getDiagnosticsForFileLocked(file)
 }
 
-func (c *DiagnosticsCollection) getDiagnosticsForFileLocked(fileName string) []*Diagnostic {
-	if !c.fileDiagnosticsSorted.Has(fileName) {
-		slices.SortStableFunc(c.fileDiagnostics[fileName], CompareDiagnostics)
-		c.fileDiagnosticsSorted.Add(fileName)
+func (c *DiagnosticsCollection) getDiagnosticsForFileLocked(file *SourceFile) []*Diagnostic {
+	if !c.fileDiagnosticsSorted.Has(file) {
+		slices.SortStableFunc(c.fileDiagnostics[file], CompareDiagnostics)
+		c.fileDiagnosticsSorted.Add(file)
 	}
-	return slices.Clone(c.fileDiagnostics[fileName])
+	return slices.Clone(c.fileDiagnostics[file])
 }
 
 func (c *DiagnosticsCollection) GetDiagnostics() []*Diagnostic {

internal/ast/diagnostic_test.go

@@ -0,0 +1,39 @@
+package ast
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/diagnostics"
+)
+
+func TestDiagnosticsCollectionDeduplicatesExactDiagnosticsOnAdd(t *testing.T) {
+	t.Parallel()
+
+	var collection DiagnosticsCollection
+	first := NewCompilerDiagnostic(diagnostics.Cannot_find_name_0, "x").
+		AddRelatedInfo(NewCompilerDiagnostic(diagnostics.X_0_is_declared_here, "first"))
+	second := NewCompilerDiagnostic(diagnostics.Cannot_find_name_0, "x").
+		AddRelatedInfo(NewCompilerDiagnostic(diagnostics.X_0_is_declared_here, "first"))
+	different := NewCompilerDiagnostic(diagnostics.Cannot_find_name_0, "x").
+		AddRelatedInfo(NewCompilerDiagnostic(diagnostics.X_0_is_declared_here, "second"))
+
+	if got := collection.Add(first); got != first {
+		t.Fatalf("first Add() returned %p, want %p", got, first)
+	}
+	canonical := collection.Add(second)
+	if canonical != first {
+		t.Fatalf("second Add() returned %p, want canonical %p", canonical, first)
+	}
+	if got := collection.Add(different); got != different {
+		t.Fatalf("different Add() returned %p, want %p", got, different)
+	}
+
+	canonical.AddRelatedInfo(NewCompilerDiagnostic(diagnostics.X_0_is_declared_here, "third"))
+	collected := collection.GetGlobalDiagnostics()
+	if len(collected) != 2 {
+		t.Fatalf("GetGlobalDiagnostics() returned %d diagnostics, want 2", len(collected))
+	}
+	if got := len(first.RelatedInformation()); got != 2 {
+		t.Fatalf("canonical diagnostic has %d related diagnostics, want 2", got)
+	}
+}

internal/checker/checker.go

@@ -2532,6 +2532,8 @@ func (c *Checker) checkDeferredNode(node *ast.Node) {
 		if ast.IsInstanceOfExpression(node) {
 			c.resolveUntypedCall(node)
 		}
+	case ast.KindObjectLiteralExpression, ast.KindJsxAttributes:
+		c.checkContextualDeprecations(node)
 	}
 	c.currentNode = saveCurrentNode
 }
@@ -8762,7 +8764,7 @@ func (c *Checker) resolveDecorator(node *ast.Node, candidatesOutArray *[]*Signat
 	headMessage := c.getDiagnosticHeadMessageForDecoratorResolution(node)
 	if len(callSignatures) == 0 {
 		diag := ast.NewDiagnosticChain(c.invocationErrorDetails(node.Expression(), apparentType, SignatureKindCall), headMessage)
-		c.addDiagnostic(diag)
+		diag = c.addDiagnostic(diag)
 		c.invocationErrorRecovery(apparentType, SignatureKindCall, diag)
 		return c.resolveErrorCall(node)
 	}
@@ -9998,7 +10000,7 @@ func (c *Checker) invocationError(errorTarget *ast.Node, apparentType *Type, kin
 	if relatedInformation != nil {
 		diagnostic.AddRelatedInfo(relatedInformation)
 	}
-	c.addDiagnostic(diagnostic)
+	diagnostic = c.addDiagnostic(diagnostic)
 	c.invocationErrorRecovery(apparentType, kind, diagnostic)
 }
 
@@ -13152,6 +13154,7 @@ func (c *Checker) checkObjectLiteral(node *ast.Node, checkMode CheckMode) *Type
 		// is nothing to check here.
 		return result //nolint:customlint // expando object literal has no property children to check
 	}
+	c.checkNodeDeferred(node)
 	inDestructuringPattern := ast.IsAssignmentTarget(node)
 	// Grammar checking
 	c.checkGrammarObjectLiteralExpression(node.AsObjectLiteralExpression(), inDestructuringPattern)
@@ -13268,9 +13271,6 @@ func (c *Checker) checkObjectLiteral(node *ast.Node, checkMode CheckMode) *Type
 			if allPropertiesTable != nil {
 				allPropertiesTable[prop.Name] = prop
 			}
-			if ast.IsIdentifier(memberDecl.Name()) {
-				c.checkDeprecatedProperty(memberDecl.Name(), contextualType)
-			}
 			if contextualType != nil && checkMode&CheckModeInferential != 0 && checkMode&CheckModeSkipContextSensitive == 0 && (ast.IsPropertyAssignment(memberDecl) || ast.IsMethodDeclaration(memberDecl)) && c.isContextSensitive(memberDecl) {
 				inferenceContext := c.getInferenceContext(node)
 				// In CheckMode.Inferential we should always have an inference context
@@ -13355,8 +13355,20 @@ func (c *Checker) checkObjectLiteral(node *ast.Node, checkMode CheckMode) *Type
 	return createObjectLiteralType()
 }
 
-func (c *Checker) checkDeprecatedProperty(name *ast.IdentifierNode, contextualType *Type) {
-	if contextualType == nil || name == nil {
+func (c *Checker) checkContextualDeprecations(node *ast.Node) {
+	contextualType := c.getApparentTypeOfContextualType(node, ContextFlagsNone)
+	for _, property := range node.Properties() {
+		if c.isCanceled() {
+			return
+		}
+		if property.Name() != nil && !ast.IsComputedPropertyName(property.Name()) {
+			c.checkDeprecatedProperty(property.Name(), contextualType)
+		}
+	}
+}
+
+func (c *Checker) checkDeprecatedProperty(name *ast.Node, contextualType *Type) {
+	if contextualType == nil {
 		return
 	}
 	prop := c.getPropertyOfType(contextualType, name.Text())
@@ -13963,7 +13975,7 @@ func (c *Checker) getDiagnostics(ctx context.Context, sourceFile *ast.SourceFile
 	if c.wasCanceled {
 		return nil
 	}
-	return collection.GetDiagnosticsForFile(sourceFile.FileName())
+	return collection.GetDiagnosticsForFile(sourceFile)
 }
 
 func (c *Checker) GetGlobalDiagnostics() []*ast.Diagnostic {
@@ -13982,24 +13994,24 @@ func (c *Checker) produceDeferredDiagnostics() {
 	c.deferredDiagnosticCallbacks = nil
 }
 
-func (c *Checker) addDiagnostic(diagnostic *ast.Diagnostic) {
+func (c *Checker) addDiagnostic(diagnostic *ast.Diagnostic) *ast.Diagnostic {
 	// Discard diagnostics created while at the maximum number of recursive TypeToString invocations.
 	if c.serializationLevel < maxSerializationLevel {
-		c.diagnostics.Add(diagnostic)
+		return c.diagnostics.Add(diagnostic)
 	}
+	return diagnostic
 }
 
-func (c *Checker) addSuggestionDiagnostic(diagnostic *ast.Diagnostic) {
+func (c *Checker) addSuggestionDiagnostic(diagnostic *ast.Diagnostic) *ast.Diagnostic {
 	// Discard diagnostics created while at the maximum number of recursive TypeToString invocations.
 	if c.serializationLevel < maxSerializationLevel {
-		c.suggestionDiagnostics.Add(diagnostic)
+		return c.suggestionDiagnostics.Add(diagnostic)
 	}
+	return diagnostic
 }
 
 func (c *Checker) error(location *ast.Node, message *diagnostics.Message, args ...any) *ast.Diagnostic {
-	diagnostic := NewDiagnosticForNode(location, message, args...)
-	c.addDiagnostic(diagnostic)
-	return diagnostic
+	return c.addDiagnostic(NewDiagnosticForNode(location, message, args...))
 }
 
 func (c *Checker) errorSkippedOnNoEmit(location *ast.Node, message *diagnostics.Message, args ...any) *ast.Diagnostic {
@@ -14047,8 +14059,7 @@ func (c *Checker) addDeprecatedSuggestionWorker(declarations []*ast.Node, diagno
 			break
 		}
 	}
-	c.addSuggestionDiagnostic(diagnostic)
-	return diagnostic
+	return c.addSuggestionDiagnostic(diagnostic)
 }
 
 func (c *Checker) isDeprecatedSymbol(symbol *ast.Symbol) bool {
@@ -14268,13 +14279,7 @@ func getAdjustedNodeForError(node *ast.Node) *ast.Node {
 }
 
 func (c *Checker) lookupOrIssueError(location *ast.Node, message *diagnostics.Message, args ...any) *ast.Diagnostic {
-	diagnostic := NewDiagnosticForNode(location, message, args...)
-	existing := c.diagnostics.Lookup(diagnostic)
-	if existing != nil {
-		return existing
-	}
-	c.addDiagnostic(diagnostic)
-	return diagnostic
+	return c.addDiagnostic(NewDiagnosticForNode(location, message, args...))
 }
 
 func getFirstDeclaration(symbol *ast.Symbol) *ast.Node {

internal/checker/grammarchecks.go

@@ -82,7 +82,7 @@ func (c *Checker) checkGrammarRegularExpressionLiteral(node *ast.RegularExpressi
 				lastError.AddRelatedInfo(err)
 			} else if lastError == nil || start != lastError.Pos() {
 				lastError = ast.NewDiagnostic(sourceFile, core.NewTextRange(start, start+length), message, args...)
-				c.addDiagnostic(lastError)
+				lastError = c.addDiagnostic(lastError)
 			}
 		})
 		c.regExpScanner.SetText(sourceFile.Text())

internal/checker/jsx.go

@@ -124,6 +124,7 @@ func (c *Checker) checkJsxFragment(node *ast.Node) *Type {
 }
 
 func (c *Checker) checkJsxAttributes(node *ast.Node, checkMode CheckMode) *Type {
+	c.checkNodeDeferred(node)
 	return c.createJsxAttributesTypeFromAttributesProperty(node.Parent, checkMode)
 }
 
@@ -756,9 +757,6 @@ func (c *Checker) createJsxAttributesTypeFromAttributesProperty(openingLikeEleme
 				if attributeDecl.Name().Text() == jsxChildrenPropertyName {
 					explicitlySpecifyChildrenAttribute = true
 				}
-				if ast.IsIdentifier(attributeDecl.Name()) {
-					c.checkDeprecatedProperty(attributeDecl.Name(), contextualType)
-				}
 				if contextualType != nil && checkMode&CheckModeInferential != 0 && checkMode&CheckModeSkipContextSensitive == 0 && c.isContextSensitive(attributeDecl) {
 					inferenceContext := c.getInferenceContext(attributes)
 					debug.Assert(inferenceContext != nil)

internal/compiler/program.go

@@ -706,7 +706,7 @@ func (p *Program) GetIncludeProcessorDiagnostics(sourceFile *ast.SourceFile) []*
 	if p.SkipTypeChecking(sourceFile, false) {
 		return nil
 	}
-	filtered, _ := p.getDiagnosticsWithPrecedingDirectives(sourceFile, p.includeProcessor.getDiagnostics(p).GetDiagnosticsForFile(sourceFile.FileName()))
+	filtered, _ := p.getDiagnosticsWithPrecedingDirectives(sourceFile, p.includeProcessor.getDiagnostics(p).GetDiagnosticsForFile(sourceFile))
 	return filtered
 }