lib/Syntax/SyntaxKind.cpp.gyb

%{
  from gyb_syntax_support import *
  # -*- mode: C++ -*-
  # Ignore the following admonition; it applies to the resulting .cpp file only
}%
//// Automatically Generated From SyntaxKind.cpp.gyb.
//// Do Not Edit Directly!
//===-------------- SyntaxKind.cpp - Syntax Kind definitions --------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

#include "swift/Syntax/SyntaxKind.h"
#include "swift/Syntax/TokenKinds.h"
#include "llvm/Support/raw_ostream.h"

namespace swift {

static StringRef getTokenTextInternal(tok kind) {
  switch(kind) {
% for token in SYNTAX_TOKENS:
%   if token.text:
  case tok::${token.kind}: return "${token.text}";
%   end
% end
  default: return StringRef();
  }
}

bool isTokenTextDetermined(tok kind) {
  return !getTokenTextInternal(kind).empty();
}

StringRef getTokenText(tok kind) {
  auto text = getTokenTextInternal(kind);
  assert(!text.empty() && "token kind cannot be determined");
  return text;
}

bool parserShallOmitWhenNoChildren(syntax::SyntaxKind Kind) {
  switch(Kind) {
%   for node in SYNTAX_NODES:
%     if node.shall_be_omitted_when_empty():
  case syntax::SyntaxKind::${node.syntax_kind}:
%     end
%   end
    return true;
  default:
    return false;
  }
}

namespace syntax {

void dumpSyntaxKind(llvm::raw_ostream &os, const SyntaxKind kind) {
  switch (kind) {
  case SyntaxKind::Token:
    os << "Token";
    break;
  case SyntaxKind::Unknown:
    os << "Unknown";
    break;
% for node in SYNTAX_NODES:
  case SyntaxKind::${node.syntax_kind}:
    os << "${node.syntax_kind}";
    break;
% end
  }
}

bool isCollectionKind(SyntaxKind Kind) {
  switch(Kind) {
%   for node in SYNTAX_NODES:
%     if node.is_syntax_collection():
  case SyntaxKind::${node.syntax_kind}:
%     end
%   end
    return true;
  default:
    return false;
  }
}

bool isDeclKind(SyntaxKind Kind) {
  return Kind >= SyntaxKind::First_Decl && Kind <= SyntaxKind::Last_Decl;
}

bool isTypeKind(SyntaxKind Kind) {
  return Kind >= SyntaxKind::First_Type && Kind <= SyntaxKind::Last_Type;
}

bool isStmtKind(SyntaxKind Kind) {
  return Kind >= SyntaxKind::First_Stmt && Kind <= SyntaxKind::Last_Stmt;
}

bool isExprKind(SyntaxKind Kind) {
  return Kind >= SyntaxKind::First_Expr && Kind <= SyntaxKind::Last_Expr;
}

bool isPatternKind(SyntaxKind Kind) {
  return Kind >= SyntaxKind::First_Pattern &&
         Kind <= SyntaxKind::Last_Pattern;
}

bool isTokenKind(SyntaxKind Kind) {
  return Kind == SyntaxKind::Token;
}

bool isUnknownKind(SyntaxKind Kind) {
  return Kind == SyntaxKind::Unknown ||
         Kind == SyntaxKind::UnknownDecl ||
         Kind == SyntaxKind::UnknownExpr ||
         Kind == SyntaxKind::UnknownStmt ||
         Kind == SyntaxKind::UnknownType ||
         Kind == SyntaxKind::UnknownPattern;
}

SyntaxKind getUnknownKind(SyntaxKind Kind) {
  if (isExprKind(Kind))
    return SyntaxKind::UnknownExpr;
  if (isStmtKind(Kind))
    return SyntaxKind::UnknownStmt;
  if (isDeclKind(Kind))
    return SyntaxKind::UnknownDecl;
  if (isTypeKind(Kind))
    return SyntaxKind::UnknownType;
  if (isPatternKind(Kind))
    return SyntaxKind::UnknownPattern;
  return SyntaxKind::Unknown;
}
} // end namespace syntax
} // end namespace swift

llvm::raw_ostream &llvm::operator<<(llvm::raw_ostream &OS,
                                    swift::syntax::SyntaxKind Kind) {
  switch (Kind) {
% for node in SYNTAX_NODES:
    case swift::syntax::SyntaxKind::${node.syntax_kind}:
    OS << "${node.syntax_kind}";
    break;
% end
    case swift::syntax::SyntaxKind::Token:
    OS << "TokenSyntax";
    break;
    case swift::syntax::SyntaxKind::Unknown:
    OS << "UnknownSyntax";
    break;
  }
  return OS;
}