Rename formcalc files to better match contents

Most files match the contents. The expression files are named to match
their base type even though they contain all the expression
subclasses.

Change-Id: I3b7705c7b206a9fa1afae8b677f765e8b788e84d
Reviewed-on: https://pdfium-review.googlesource.com/5492
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 137 insertions, 0 deletions

diff --git a/xfa/fxfa/fm2js/cxfa_fmlexer.h b/xfa/fxfa/fm2js/cxfa_fmlexer.h
new file mode 100644
index 0000000000..4baa4a594f
--- /dev/null
+++ b/xfa/fxfa/fm2js/cxfa_fmlexer.h
@@ -0,0 +1,137 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FXFA_FM2JS_CXFA_FMLEXER_H_
+#define XFA_FXFA_FM2JS_CXFA_FMLEXER_H_
+
+#include <memory>
+#include <utility>
+
+#include "core/fxcrt/fx_string.h"
+#include "xfa/fxfa/fm2js/cxfa_fmerrorinfo.h"
+
+enum XFA_FM_TOKEN {
+  TOKand,
+  TOKlparen,
+  TOKrparen,
+  TOKmul,
+  TOKplus,
+  TOKcomma,
+  TOKminus,
+  TOKdot,
+  TOKdiv,
+  TOKlt,
+  TOKassign,
+  TOKgt,
+  TOKlbracket,
+  TOKrbracket,
+  TOKor,
+  TOKdotscream,
+  TOKdotstar,
+  TOKdotdot,
+  TOKle,
+  TOKne,
+  TOKeq,
+  TOKge,
+  TOKdo,
+  TOKkseq,
+  TOKksge,
+  TOKksgt,
+  TOKif,
+  TOKin,
+  TOKksle,
+  TOKkslt,
+  TOKksne,
+  TOKksor,
+  TOKnull,
+  TOKbreak,
+  TOKksand,
+  TOKend,
+  TOKeof,
+  TOKfor,
+  TOKnan,
+  TOKksnot,
+  TOKvar,
+  TOKthen,
+  TOKelse,
+  TOKexit,
+  TOKdownto,
+  TOKreturn,
+  TOKinfinity,
+  TOKendwhile,
+  TOKforeach,
+  TOKendfunc,
+  TOKelseif,
+  TOKwhile,
+  TOKendfor,
+  TOKthrow,
+  TOKstep,
+  TOKupto,
+  TOKcontinue,
+  TOKfunc,
+  TOKendif,
+  TOKstar,
+  TOKidentifier,
+  TOKunderscore,
+  TOKdollar,
+  TOKexclamation,
+  TOKcall,
+  TOKstring,
+  TOKnumber,
+  TOKreserver
+};
+
+struct XFA_FMKeyword {
+  XFA_FM_TOKEN m_type;
+  uint32_t m_uHash;
+  const wchar_t* m_keyword;
+};
+
+const wchar_t* XFA_FM_KeywordToString(XFA_FM_TOKEN op);
+
+class CXFA_FMToken {
+ public:
+  CXFA_FMToken();
+  explicit CXFA_FMToken(uint32_t uLineNum);
+
+  CFX_WideStringC m_wstring;
+  XFA_FM_TOKEN m_type;
+  uint32_t m_uLinenum;
+};
+
+class CXFA_FMLexer {
+ public:
+  CXFA_FMLexer(const CFX_WideStringC& wsFormcalc, CXFA_FMErrorInfo* pErrorInfo);
+  ~CXFA_FMLexer();
+
+  CXFA_FMToken* NextToken();
+  bool HasError() const;
+
+  void SetCurrentLine(uint32_t line) { m_uCurrentLine = line; }
+  void SetToken(std::unique_ptr<CXFA_FMToken> pToken) {
+    m_pToken = std::move(pToken);
+  }
+
+  const wchar_t* GetPos() { return m_ptr; }
+  void SetPos(const wchar_t* pPos) { m_ptr = pPos; }
+
+ private:
+  const wchar_t* Number(CXFA_FMToken* t, const wchar_t* p);
+  const wchar_t* String(CXFA_FMToken* t, const wchar_t* p);
+  const wchar_t* Identifiers(CXFA_FMToken* t, const wchar_t* p);
+  const wchar_t* Comment(const wchar_t* p);
+  XFA_FM_TOKEN IsKeyword(const CFX_WideStringC& p);
+  void Error(const wchar_t* msg, ...);
+  std::unique_ptr<CXFA_FMToken> Scan();
+
+  const wchar_t* m_ptr;
+  const wchar_t* const m_end;
+  uint32_t m_uCurrentLine;
+  std::unique_ptr<CXFA_FMToken> m_pToken;
+  CXFA_FMErrorInfo* m_pErrorInfo;
+};
+
+#endif  // XFA_FXFA_FM2JS_CXFA_FMLEXER_H_