Remove frog from the repository.

frog/scripts/token_kind_gen.py

-# Copyright (c) 2011, 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.
-from token_info import tokens, keywords
-from codegen import CodeWriter
-
-# TODO(jimhug): Compare perf of the switch pattern used here with maps and ifs
-
-def main():
-  '''Generates the TokenKind class into token_kind.g.dart.'''
-  cw = CodeWriter(__file__)
-  cw.enterBlock('class TokenKind {')
-  index = 1
-
-  trueKeywords = [kw for kw in keywords if not kw.isPseudo]
-  pseudoKeywords = [kw for kw in keywords if kw.isPseudo]
-  allTokens = tokens + pseudoKeywords + trueKeywords
-
-  for tok in allTokens:
-    if tok.name is None: continue
-    tok.index = index
-    index += 1
-    cw.writeln('/** [TokenKind] representing %s tokens. */', tok.stringRepr)
-    cw.writeln('static final int %s = %d;', tok.name, tok.index)
-    cw.writeln('')
-
-  cw.enterBlock('static String kindToString(int kind) {')
-  cw.writeln('switch(kind) {')
-  cw.enterBlock()
-
-  for tok in allTokens:
-    if tok.name is None: continue
-    cw.writeln('case TokenKind.%s: return "%s";', tok.name, tok.stringRepr)
-
-  cw.writeln('default: return "TokenKind(" + kind.toString() + ")";')
-  cw.exitBlock('}')
-  cw.exitBlock('}')
-
-  cw.writeln()
-
-  cw.enterBlock('static bool isIdentifier(int kind) {')
-  cw.writeln('return kind >= IDENTIFIER && kind < %s;' % trueKeywords[0].name)
-  cw.exitBlock('}')
-
-  cw.writeln()
-
-  cw.enterBlock('static int infixPrecedence(int kind) {')
-  cw.enterBlock('switch(kind) {')
-  for tok in tokens + keywords:
-    if tok.precedence > 0:
-      cw.writeln('case %s: return %d;' % (tok.name, tok.precedence))
-
-
-  cw.writeln('default: return -1;')
-  cw.exitBlock('}')
-  cw.exitBlock('}')
-
-  cw.writeln()
-  cw.enterBlock('static String rawOperatorFromMethod(String name) {')
-  cw.enterBlock('switch(name) {')
-  for tok in tokens:
-    if tok.methodName is not None:
-      cw.writeln('case %r: return %r;' % (tok.methodName, tok.text))
-  cw.writeln("case ':ne': return '!=';");
-  cw.exitBlock('}')
-  cw.exitBlock('}')
-
-  cw.writeln()
-  cw.enterBlock('static String binaryMethodName(int kind) {')
-  cw.enterBlock('switch(kind) {')
-  for tok in tokens:
-    if tok.methodName is not None:
-      dname = repr(tok.methodName).replace('$', '\\$')
-      cw.writeln('case %s: return %s;' % (tok.name, dname))
-  cw.exitBlock('}')
-  cw.exitBlock('}')
-
-  cw.writeln()
-  cw.enterBlock('static String unaryMethodName(int kind) {')
-
-  cw.exitBlock('}')
-
-  cw.writeln()
-  cw.enterBlock('static int kindFromAssign(int kind) {')
-  cw.writeln('if (kind == ASSIGN) return 0;')
-  cw.enterBlock('if (kind > ASSIGN && kind <= ASSIGN_MOD) {')
-  cw.writeln('return kind + (ADD - ASSIGN_ADD);')
-  cw.exitBlock('}')
-  cw.writeln('return -1;')
-  cw.exitBlock('}')
-
-
-
-  cw.exitBlock('}')
-
-  cw.writeToFile('token_kind')
-
-if __name__ == '__main__': main()