implements PR-05.0.1

prometeu-compiler/frontends/prometeu-frontend-pbs/src/main/java/p/studio/compiler/pbs/PbsFrontendCompiler.java

@@ -20,6 +20,7 @@ import p.studio.compiler.source.tables.CallableSignatureRef;
 import p.studio.compiler.source.tables.CallableTable;
 import p.studio.compiler.source.tables.IntrinsicReference;
 import p.studio.compiler.source.tables.IntrinsicTable;
+import p.studio.compiler.source.tables.NameTable;
 import p.studio.utilities.structures.ReadOnlyList;
 
 import java.util.ArrayList;
@@ -31,7 +32,6 @@ import java.util.Map;
 import java.util.Set;
 
 public final class PbsFrontendCompiler {
-    private final PbsDeclarationSemanticsValidator declarationSemanticsValidator = new PbsDeclarationSemanticsValidator();
     private final PbsFlowSemanticsValidator flowSemanticsValidator = new PbsFlowSemanticsValidator();
     private final PbsReservedMetadataExtractor reservedMetadataExtractor = new PbsReservedMetadataExtractor();
     private final PbsHostAdmissionValidator hostAdmissionValidator = new PbsHostAdmissionValidator();
@@ -57,13 +57,14 @@ public final class PbsFrontendCompiler {
             final DiagnosticSink diagnostics,
             final SourceKind sourceKind,
             final HostAdmissionContext hostAdmissionContext) {
+        final var nameTable = new NameTable();
         final var admissionBaseline = diagnostics.errorCount();
         final var tokens = PbsLexer.lex(source, fileId, diagnostics);
         final var parseMode = sourceKind == SourceKind.SDK_INTERFACE
                 ? PbsParser.ParseMode.INTERFACE_MODULE
                 : PbsParser.ParseMode.ORDINARY;
         final var ast = PbsParser.parse(tokens, fileId, diagnostics, parseMode);
-        final var irBackendFile = compileParsedFile(fileId, ast, diagnostics, sourceKind, hostAdmissionContext);
+        final var irBackendFile = compileParsedFile(fileId, ast, diagnostics, sourceKind, "", hostAdmissionContext, nameTable);
         if (diagnostics.errorCount() > admissionBaseline) {
             return IRBackendFile.empty(fileId);
         }
@@ -91,7 +92,7 @@ public final class PbsFrontendCompiler {
             final DiagnosticSink diagnostics,
             final SourceKind sourceKind,
             final HostAdmissionContext hostAdmissionContext) {
-        return compileParsedFile(fileId, ast, diagnostics, sourceKind, "", hostAdmissionContext);
+        return compileParsedFile(fileId, ast, diagnostics, sourceKind, "", hostAdmissionContext, new NameTable());
     }
 
     public IRBackendFile compileParsedFile(
@@ -101,8 +102,20 @@ public final class PbsFrontendCompiler {
             final SourceKind sourceKind,
             final String moduleKey,
             final HostAdmissionContext hostAdmissionContext) {
+        return compileParsedFile(fileId, ast, diagnostics, sourceKind, moduleKey, hostAdmissionContext, new NameTable());
+    }
+
+    public IRBackendFile compileParsedFile(
+            final FileId fileId,
+            final PbsAst.File ast,
+            final DiagnosticSink diagnostics,
+            final SourceKind sourceKind,
+            final String moduleKey,
+            final HostAdmissionContext hostAdmissionContext,
+            final NameTable nameTable) {
+        final var effectiveNameTable = nameTable == null ? new NameTable() : nameTable;
         final var semanticsErrorBaseline = diagnostics.errorCount();
-        declarationSemanticsValidator.validate(ast, sourceKind, diagnostics);
+        new PbsDeclarationSemanticsValidator(effectiveNameTable).validate(ast, sourceKind, diagnostics);
         flowSemanticsValidator.validate(ast, diagnostics);
         if (diagnostics.errorCount() > semanticsErrorBaseline) {
             return IRBackendFile.empty(fileId);

prometeu-compiler/frontends/prometeu-frontend-pbs/src/main/java/p/studio/compiler/pbs/linking/PbsModuleVisibilityValidator.java

@@ -22,7 +22,13 @@ public final class PbsModuleVisibilityValidator {
     public void validate(
             final ReadOnlyList<ModuleUnit> modules,
             final DiagnosticSink diagnostics) {
-        final var nameTable = new NameTable();
+        validate(modules, new NameTable(), diagnostics);
+    }
+
+    public void validate(
+            final ReadOnlyList<ModuleUnit> modules,
+            final NameTable nameTable,
+            final DiagnosticSink diagnostics) {
         final var exportsByModule = new HashMap<ModuleRefKey, ModuleExports>();
 
         for (final var module : modules) {

prometeu-compiler/frontends/prometeu-frontend-pbs/src/main/java/p/studio/compiler/pbs/semantics/PbsDeclarationSemanticsValidator.java

@@ -28,9 +28,17 @@ public final class PbsDeclarationSemanticsValidator {
             ATTR_BUILTIN_CONST,
             ATTR_INTRINSIC_CALL);
 
-    private final NameTable nameTable = new NameTable();
+    private final NameTable nameTable;
     private final PbsConstSemanticsValidator constSemanticsValidator = new PbsConstSemanticsValidator();
 
+    public PbsDeclarationSemanticsValidator() {
+        this(new NameTable());
+    }
+
+    public PbsDeclarationSemanticsValidator(final NameTable nameTable) {
+        this.nameTable = nameTable == null ? new NameTable() : nameTable;
+    }
+
     public void validate(final PbsAst.File ast, final DiagnosticSink diagnostics) {
         validate(ast, SourceKind.PROJECT, diagnostics);
     }

prometeu-compiler/frontends/prometeu-frontend-pbs/src/main/java/p/studio/compiler/services/PBSFrontendPhaseService.java

@@ -58,6 +58,7 @@ public class PBSFrontendPhaseService implements FrontendPhaseService {
             final DiagnosticSink diagnostics,
             final LogAggregator logs,
             final BuildingIssueSink issues) {
+        final var nameTable = ctx.nameTable();
         final var irBackendAggregator = IRBackend.aggregator();
         final var parsedSourceFiles = new ArrayList<ParsedSourceFile>();
         final Map<PbsModuleVisibilityValidator.ModuleCoordinates, MutableModuleUnit> modulesByCoordinates = new LinkedHashMap<>();
@@ -132,7 +133,7 @@ public class PBSFrontendPhaseService implements FrontendPhaseService {
                     ReadOnlyList.wrap(moduleUnit.sources),
                     ReadOnlyList.wrap(moduleUnit.barrels)));
         }
-        moduleVisibilityValidator.validate(ReadOnlyList.wrap(modules), diagnostics);
+        moduleVisibilityValidator.validate(ReadOnlyList.wrap(modules), nameTable, diagnostics);
         markModulesWithLinkingErrors(diagnostics, moduleKeyByFile, failedModuleKeys);
         final var moduleDependencyGraph = buildModuleDependencyGraph(parsedSourceFiles);
 
@@ -149,7 +150,8 @@ public class PBSFrontendPhaseService implements FrontendPhaseService {
                     diagnostics,
                     parsedSource.sourceKind(),
                     parsedSource.moduleKey(),
-                    ctx.hostAdmissionContext());
+                    ctx.hostAdmissionContext(),
+                    nameTable);
             if (diagnostics.errorCount() > compileErrorBaseline) {
                 failedModuleKeys.add(parsedSource.moduleKey());
             }

prometeu-compiler/prometeu-frontend-api/src/main/java/p/studio/compiler/messages/FrontendPhaseContext.java

@@ -4,12 +4,14 @@ import p.studio.compiler.models.BuildStack;
 import p.studio.compiler.models.SourceKind;
 import p.studio.compiler.source.identifiers.ProjectId;
 import p.studio.compiler.source.tables.FileTableReader;
+import p.studio.compiler.source.tables.NameTable;
 import p.studio.compiler.source.tables.ProjectTableReader;
 
 public class FrontendPhaseContext {
     public final ProjectTableReader projectTable;
     public final FileTableReader fileTable;
     public final BuildStack stack;
+    private final NameTable nameTable;
     private final int stdlibVersion;
     private final HostAdmissionContext hostAdmissionContext;
 
@@ -37,6 +39,7 @@ public class FrontendPhaseContext {
         this.projectTable = projectTable;
         this.fileTable = fileTable;
         this.stack = stack;
+        this.nameTable = new NameTable();
         this.stdlibVersion = stdlibVersion;
         this.hostAdmissionContext = hostAdmissionContext == null
                 ? HostAdmissionContext.permissiveDefault()
@@ -54,4 +57,8 @@ public class FrontendPhaseContext {
     public HostAdmissionContext hostAdmissionContext() {
         return hostAdmissionContext;
     }
+
+    public NameTable nameTable() {
+        return nameTable;
+    }
 }