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// 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_PARSE_H
#define _XFA_FM_PARSE_H
class CXFA_FMParse
{
public:
    CXFA_FMParse();
    ~CXFA_FMParse();
    FX_INT32 Init(FX_WSTR wsFormcalc, CXFA_FMErrorInfo *pErrorInfo);
    void NextToken();
    void Check(XFA_FM_TOKEN op);
    void Error(FX_DWORD lineNum, XFA_FM_ERRMSG msg, ...);
    CFX_PtrArray * ParseTopExpression();
    CXFA_FMExpression *ParseFunction();
    CXFA_FMExpression *ParseExpression();
    CXFA_FMExpression *ParseVarExpression();
    CXFA_FMExpression *ParseExpExpression();
    CXFA_FMExpression *ParseBlockExpression();
    CXFA_FMExpression *ParseIfExpression();
    CXFA_FMExpression *ParseWhileExpression();
    CXFA_FMExpression *ParseForExpression();
    CXFA_FMExpression *ParseForeachExpression();
    CXFA_FMExpression *ParseDoExpression();
    CXFA_FMSimpleExpression *ParseParenExpression();
    CXFA_FMSimpleExpression *ParseSimpleExpression();
    CXFA_FMSimpleExpression *ParseSubassignmentInForExpression();
    CXFA_FMSimpleExpression *ParseLogicalOrExpression();
    CXFA_FMSimpleExpression *ParseLogicalAndExpression();
    CXFA_FMSimpleExpression *ParseEqualityExpression();
    CXFA_FMSimpleExpression *ParseRelationalExpression();
    CXFA_FMSimpleExpression *ParseAddtiveExpression();
    CXFA_FMSimpleExpression *ParseMultiplicativeExpression();
    CXFA_FMSimpleExpression *ParseUnaryExpression();
    CXFA_FMSimpleExpression *ParsePrimaryExpression();
    CXFA_FMSimpleExpression *ParsePostExpression(CXFA_FMSimpleExpression *e);
    CXFA_FMSimpleExpression *ParseIndexExpression();
private:
    FX_LPCWSTR m_pScript;
    FX_STRSIZE m_uLength;
    CXFA_FMLexer	*m_lexer;
    CXFA_FMToken	*m_pToken;
    CXFA_FMErrorInfo *m_pErrorInfo;
};
#endif