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| author | Bo Xu <bo_xu@foxitsoftware.com> | 2014-10-28 23:03:33 -0700 |
|---|---|---|
| committer | Bo Xu <bo_xu@foxitsoftware.com> | 2014-11-03 11:10:11 -0800 |
| commit | fdc00a7042d912aafaabddae4d9c84199921ef23 (patch) | |
| tree | 32ab8ac91cc68d2cd15b9168782a71b3f3f5e7b9 /xfa/src/fxfa/src/fm2js/xfa_lexer.h | |
| parent | e9b38fa38de2c95d8260be31c57d9272c4d127ed (diff) | |
| download | pdfium-fdc00a7042d912aafaabddae4d9c84199921ef23.tar.xz | |
Merge XFA to PDFium master at 4dc95e7 on 10/28/2014
Diffstat (limited to 'xfa/src/fxfa/src/fm2js/xfa_lexer.h')
| -rw-r--r-- | xfa/src/fxfa/src/fm2js/xfa_lexer.h | 82 |
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
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