Extend AST with basic module constructs (yet unused).

src/prettyprinter.cc

Index: src/prettyprinter.cc
diff --git a/src/prettyprinter.cc b/src/prettyprinter.cc
index d940704973ac788df3f3c55b0fbc3fe115f24f3f..685e443e243584bb032ee7682cf83ee6a68fd274 100644
--- a/src/prettyprinter.cc
+++ b/src/prettyprinter.cc
@@ -69,6 +69,38 @@ void PrettyPrinter::VisitVariableDeclaration(VariableDeclaration* node) {
 }
 
 
+void PrettyPrinter::VisitModuleDeclaration(ModuleDeclaration* node) {
+  Print("module ");
+  PrintLiteral(node->proxy()->name(), false);
+  Print(" = ");
+  Visit(node->module());
+  Print(";");
+}
+
+
+void PrettyPrinter::VisitModuleLiteral(ModuleLiteral* node) {
+  VisitBlock(node->body());
+}
+
+
+void PrettyPrinter::VisitModuleVariable(ModuleVariable* node) {
+  PrintLiteral(node->var()->name(), false);
+}
+
+
+void PrettyPrinter::VisitModulePath(ModulePath* node) {
+  Visit(node->module());
+  Print(".");
+  PrintLiteral(node->name(), false);
+}
+
+
+void PrettyPrinter::VisitModuleUrl(ModuleUrl* node) {
+  Print("at ");
+  PrintLiteral(node->url(), true);
+}
+
+
 void PrettyPrinter::VisitExpressionStatement(ExpressionStatement* node) {
   Visit(node->expression());
   Print(";");
@@ -728,6 +760,35 @@ void AstPrinter::VisitVariableDeclaration(VariableDeclaration* node) {
 }
 
 
+void AstPrinter::VisitModuleDeclaration(ModuleDeclaration* node) {
+  IndentedScope indent(this, "MODULE");
+  PrintLiteralIndented("NAME", node->proxy()->name(), true);
+  Visit(node->module());
+}
+
+
+void AstPrinter::VisitModuleLiteral(ModuleLiteral* node) {
+  VisitBlock(node->body());
+}
+
+
+void AstPrinter::VisitModuleVariable(ModuleVariable* node) {
+  PrintLiteralIndented("VARIABLE", node->var()->name(), false);
+}
+
+
+void AstPrinter::VisitModulePath(ModulePath* node) {
+  IndentedScope indent(this, "PATH");
+  PrintIndentedVisit("MODULE", node->module());
+  PrintLiteralIndented("NAME", node->name(), false);
+}
+
+
+void AstPrinter::VisitModuleUrl(ModuleUrl* node) {
+  PrintLiteralIndented("URL", node->url(), true);
+}
+
+
 void AstPrinter::VisitExpressionStatement(ExpressionStatement* node) {
   Visit(node->expression());
 }