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-rw-r--r--xfa/fxfa/fm2js/cxfa_fmparser.h59
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diff --git a/xfa/fxfa/fm2js/cxfa_fmparser.h b/xfa/fxfa/fm2js/cxfa_fmparser.h
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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_FXFA_FM2JS_CXFA_FMPARSER_H_
+#define XFA_FXFA_FM2JS_CXFA_FMPARSER_H_
+
+#include <memory>
+#include <vector>
+
+#include "xfa/fxfa/fm2js/cxfa_fmexpression.h"
+#include "xfa/fxfa/fm2js/cxfa_fmlexer.h"
+
+class CXFA_FMParser {
+ public:
+ explicit CXFA_FMParser(const CFX_WideStringC& wsFormcalc);
+ ~CXFA_FMParser();
+
+ std::unique_ptr<CXFA_FMFunctionDefinition> Parse();
+ bool HasError() const;
+
+ private:
+ bool NextToken();
+ bool CheckThenNext(XFA_FM_TOKEN op);
+
+ std::vector<std::unique_ptr<CXFA_FMExpression>> ParseTopExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseFunction();
+ std::unique_ptr<CXFA_FMExpression> ParseExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseVarExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseExpExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseBlockExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseIfExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseWhileExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseForExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseForeachExpression();
+ std::unique_ptr<CXFA_FMExpression> ParseDoExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseParenExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseSimpleExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseSubassignmentInForExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseLogicalOrExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseLogicalAndExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseEqualityExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseRelationalExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseAddtiveExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseMultiplicativeExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseUnaryExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParsePrimaryExpression();
+ std::unique_ptr<CXFA_FMSimpleExpression> ParsePostExpression(
+ std::unique_ptr<CXFA_FMSimpleExpression> e);
+ std::unique_ptr<CXFA_FMSimpleExpression> ParseIndexExpression();
+
+ std::unique_ptr<CXFA_FMLexer> m_lexer;
+ std::unique_ptr<CXFA_FMToken> m_token;
+ bool m_error;
+};
+
+#endif // XFA_FXFA_FM2JS_CXFA_FMPARSER_H_