[cfe-dev] [PATCH]: Parsing for C++ classes

[Argiris Kirtzidis]

Hi,

The attached patch adds C++ classes support to the Parser. I'll provide 
the Sema support in a separate patch.
Here's what can be parsed:

-Access specifiers
-method declarations and inline method definitions
-static members
-typedefs, enums, and nested classes
-'this' keyword

Inline method definitions are lexed and their tokens stored for later 
parsing, after the class is complete.

This test is representative of the new features:

// RUN: clang -parse-noop -verify %s
class C {

protected:
  typedef int A,B;
  static int sf(), u;

  auto int sx; // expected-error {{error: storage class specified for a 
member declaration}}
  register int sy; // expected-error {{error: storage class specified 
for a member declaration}}
  extern int sz; // expected-error {{error: storage class specified for 
a member declaration}}

  struct S {};
  enum {};
  int; // expected-error {{error: declaration does not declare anything}}

  int b : 1, w : 2;
  typedef int E : 1; // expected-error {{error: cannot declare 'E' to be 
a bit-field type}}
  static int sb : 1; // expected-error {{error: static member 'sb' 
cannot be a bit-field}}

  int i = 0; // expected-error {{error: member 'i' can be initialized 
only if it is a static const integral data member}}

public:
  void m() {
    int l = 2;
  }
 
private:
  int x,f(),y,g();
};

int x = this; // expected-error {{error: invalid use of 'this' at top 
level}}



-Argiris
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