Implement support for specifying string interopolation style variable substitution in the import ...

vm/parser.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "vm/ast.h"
@@ skipping 191 matching lines @@
   void ParseClassDefinition(GrowableArray<const Class*>* classes);
   void ParseInterfaceDefinition(GrowableArray<const Class*>* classes);
   void ParseFunctionTypeAlias(GrowableArray<const Class*>* classes);
   void ParseTopLevelVariable(TopLevel* top_level);
   void ParseTopLevelFunction(TopLevel* top_level);
   void ParseTopLevelAccessor(TopLevel* top_level);
 
   // Support for parsing libraries.
   Dart_Handle CallLibraryTagHandler(Dart_LibraryTag tag,
                                     intptr_t token_pos,
-                                    const String& url);
+                                    const String& url,
+                                    const Array& import_map);
   void ParseLibraryDefinition();
   void ParseLibraryName();
   void ParseLibraryImport();
   void ParseLibraryInclude();
 
   enum TypeResolution {
     kIgnore,  // Parsed type is ignored and replaced by Dynamic.
     kDoNotResolve,  // Type resolution is postponed.
     kCanResolve,  // Type resolution is optional.
     kMustResolve  // Type resolution is required.
@@ skipping 120 matching lines @@
   LiteralNode* ParseConstExpr();
   static const bool kRequireConst = true;
   static const bool kAllowConst = false;
   AstNode* ParseExpr(bool require_compiletime_const);
   AstNode* ParseExprList();
   AstNode* ParseConditionalExpr();
   AstNode* ParseUnaryExpr();
   AstNode* ParsePostfixExpr();
   AstNode* ParsePrimary();
   AstNode* ParseStringLiteral();
+  String* ParseImportStringLiteral();
   AstNode* ParseCompoundLiteral();
   AstNode* ParseListLiteral(intptr_t type_pos,
                             bool is_const,
                             const AbstractTypeArguments& type_arguments);
   AstNode* ParseMapLiteral(intptr_t type_pos,
                            bool is_const,
                            const AbstractTypeArguments& type_arguments);
   AstNode* ParseNewOperator();
 
   // An implicit argument, if non-null, is prepended to the returned list.
@@ skipping 21 matching lines @@
   bool IsInstantiatorRequired() const;
   bool IsDefinedInLexicalScope(const String& ident);
   bool ResolveIdentInLocalScope(intptr_t ident_pos,
                                 const String &ident,
                                 AstNode** node);
   static const bool kResolveLocally = true;
   static const bool kResolveIncludingImports = false;
   AstNode* ResolveIdentInLibraryScope(const Library& lib,
                                       const QualIdent& qual_ident,
                                       bool resolve_locally);
-  AstNode* ResolveVarOrField(intptr_t ident_pos, const String &ident);
+  AstNode* ResolveVarOrField(intptr_t ident_pos, const String& ident);
+  RawString* ResolveImportVar(intptr_t ident_pos, const String& ident);
   AstNode* OptimizeBinaryOpNode(intptr_t op_pos,
                                 Token::Kind binary_op,
                                 AstNode* lhs,
                                 AstNode* rhs);
   AstNode* ExpandAssignableOp(intptr_t op_pos,
                               Token::Kind assignment_op,
                               AstNode* lhs,
                               AstNode* rhs);
   AstNode* AsSideEffectFreeNode(AstNode* node);
   LocalVariable* CreateTempConstVariable(intptr_t token_index,
@@ skipping 49 matching lines @@
   // code at all points in the try block where an exit from the block is
   // done using 'return', 'break' or 'continue' statements.
   TryBlocks* try_blocks_list_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_