1 files changed, 82 insertions, 0 deletions
diff --git a/xfa/src/fxfa/src/fm2js/xfa_lexer.h b/xfa/src/fxfa/src/fm2js/xfa_lexer.h
new file mode 100644
index 0000000000..b073ceb047
--- /dev/null
+++ b/xfa/src/fxfa/src/fm2js/xfa_lexer.h
@@ -0,0 +1,82 @@
+// 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_FM_LEXER_H
+#define _XFA_FM_LEXER_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;
+    FX_UINT32		m_uHash;
+    FX_LPCWSTR		m_keword;
+};
+FX_LPCWSTR XFA_FM_KeywordToString(XFA_FM_TOKEN op);
+class CXFA_FMToken : public CFX_Object
+{
+public:
+    CXFA_FMToken();
+    CXFA_FMToken(FX_DWORD uLineNum);
+    ~CXFA_FMToken();
+    CFX_WideStringC m_wstring;
+    XFA_FM_TOKEN	m_type;
+    FX_DWORD		m_uLinenum;
+    CXFA_FMToken*	m_pNext;
+};
+class CXFA_FMLexer : public CFX_Object
+{
+public:
+    CXFA_FMLexer(FX_WSTR wsFormcalc, CXFA_FMErrorInfo *pErrorInfo);
+    ~CXFA_FMLexer();
+    CXFA_FMToken*	NextToken();
+    FX_DWORD		Number(CXFA_FMToken *t, FX_LPCWSTR p,  FX_LPCWSTR &pEnd);
+    FX_DWORD		String(CXFA_FMToken *t, FX_LPCWSTR p, FX_LPCWSTR &pEnd);
+    FX_DWORD		Identifiers(CXFA_FMToken *t, FX_LPCWSTR p, FX_LPCWSTR &pEnd);
+    void			Comment(FX_LPCWSTR p, FX_LPCWSTR &pEnd);
+    XFA_FM_TOKEN	IsKeyword(FX_WSTR p);
+    void			SetCurrentLine(FX_DWORD line)
+    {
+        m_uCurrentLine = line;
+    }
+    void			SetToken(CXFA_FMToken *pToken)
+    {
+        if (m_pToken) {
+            delete m_pToken;
+        }
+        m_pToken = pToken;
+    }
+    FX_LPCWSTR		SavePos()
+    {
+        return m_ptr;
+    }
+    void			RestorePos(FX_LPCWSTR pPos)
+    {
+        m_ptr = pPos;
+    }
+    void			Error(XFA_FM_ERRMSG msg, ...);
+    FX_BOOL			HasError() const;
+protected:
+    CXFA_FMToken*	Scan();
+    FX_LPCWSTR		m_pScript;
+    FX_LPCWSTR		m_ptr;
+    FX_STRSIZE		m_uLength;
+    FX_DWORD		m_uCurrentLine;
+    CXFA_FMToken*	m_pToken;
+    CXFA_FMErrorInfo* m_pErrorInfo;
+};
+#endif