diff options
Diffstat (limited to 'xfa')
-rw-r--r-- | xfa/src/fxfa/src/fm2js/xfa_fmparse.cpp | 77 | ||||
-rw-r--r-- | xfa/src/fxfa/src/fm2js/xfa_fmparse.h | 11 | ||||
-rw-r--r-- | xfa/src/fxfa/src/fm2js/xfa_lexer.cpp | 92 | ||||
-rw-r--r-- | xfa/src/fxfa/src/fm2js/xfa_lexer.h | 25 |
4 files changed, 95 insertions, 110 deletions
diff --git a/xfa/src/fxfa/src/fm2js/xfa_fmparse.cpp b/xfa/src/fxfa/src/fm2js/xfa_fmparse.cpp index 9a01267e27..105c5144ca 100644 --- a/xfa/src/fxfa/src/fm2js/xfa_fmparse.cpp +++ b/xfa/src/fxfa/src/fm2js/xfa_fmparse.cpp @@ -5,33 +5,16 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "xfa_fm2js.h" -CXFA_FMParse::CXFA_FMParse() { - m_pScript = 0; - m_uLength = 0; - m_pErrorInfo = 0; - m_lexer = 0; - m_pToken = 0; -} -CXFA_FMParse::~CXFA_FMParse() { - if (m_lexer) { - delete m_lexer; - } - m_lexer = 0; - m_pErrorInfo = 0; - m_pScript = 0; - m_pToken = 0; -} + +CXFA_FMParse::CXFA_FMParse() : m_pToken(nullptr), m_pErrorInfo(0) {} + int32_t CXFA_FMParse::Init(const CFX_WideStringC& wsFormcalc, CXFA_FMErrorInfo* pErrorInfo) { - m_pScript = wsFormcalc.GetPtr(); - m_uLength = wsFormcalc.GetLength(); m_pErrorInfo = pErrorInfo; - m_lexer = new CXFA_FMLexer(wsFormcalc, m_pErrorInfo); - if (m_lexer == 0) { - return -1; - } + m_lexer.reset(new CXFA_FMLexer(wsFormcalc, m_pErrorInfo)); return 0; } + void CXFA_FMParse::NextToken() { m_pToken = m_lexer->NextToken(); while (m_pToken->m_type == TOKreserver) { @@ -41,6 +24,7 @@ void CXFA_FMParse::NextToken() { m_pToken = m_lexer->NextToken(); } } + void CXFA_FMParse::Check(XFA_FM_TOKEN op) { if (m_pToken->m_type != op) { CFX_WideString ws_TempString = m_pToken->m_wstring; @@ -49,6 +33,7 @@ void CXFA_FMParse::Check(XFA_FM_TOKEN op) { } NextToken(); } + void CXFA_FMParse::Error(FX_DWORD lineNum, XFA_FM_ERRMSG msg, ...) { m_pErrorInfo->linenum = lineNum; const FX_WCHAR* lpMessageInfo = XFA_FM_ErrorMsg(msg); @@ -57,25 +42,17 @@ void CXFA_FMParse::Error(FX_DWORD lineNum, XFA_FM_ERRMSG msg, ...) { m_pErrorInfo->message.FormatV(lpMessageInfo, ap); va_end(ap); } + CFX_PtrArray* CXFA_FMParse::ParseTopExpression() { CXFA_FMExpression* e = 0; CFX_PtrArray* expression = new CFX_PtrArray(); while (1) { - if (m_pToken->m_type == TOKeof) { - return expression; - } - if (m_pToken->m_type == TOKendfunc) { - return expression; - } - if (m_pToken->m_type == TOKendif) { - return expression; - } - if (m_pToken->m_type == TOKelseif) { - return expression; - } - if (m_pToken->m_type == TOKelse) { + if (m_pToken->m_type == TOKeof || m_pToken->m_type == TOKendfunc || + m_pToken->m_type == TOKendif || m_pToken->m_type == TOKelseif || + m_pToken->m_type == TOKelse || m_pToken->m_type == TOKreserver) { return expression; } + if (m_pToken->m_type == TOKfunc) { e = ParseFunction(); if (e) { @@ -94,6 +71,7 @@ CFX_PtrArray* CXFA_FMParse::ParseTopExpression() { } return expression; } + CXFA_FMExpression* CXFA_FMParse::ParseFunction() { CXFA_FMExpression* e = 0; CFX_WideStringC ident; @@ -172,6 +150,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseFunction() { } return e; } + CXFA_FMExpression* CXFA_FMParse::ParseExpression() { CXFA_FMExpression* e = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -221,6 +200,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseExpression() { } return e; } + CXFA_FMExpression* CXFA_FMParse::ParseVarExpression() { CXFA_FMExpression* e = 0; CFX_WideStringC ident; @@ -246,6 +226,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseVarExpression() { } return e; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseSimpleExpression() { FX_DWORD line = m_pToken->m_uLinenum; CXFA_FMSimpleExpression *pExp1 = 0, *pExp2 = 0; @@ -262,6 +243,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseSimpleExpression() { } return pExp1; } + CXFA_FMExpression* CXFA_FMParse::ParseExpExpression() { CXFA_FMExpression* e = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -275,6 +257,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseExpExpression() { } return e; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseLogicalOrExpression() { CXFA_FMSimpleExpression *e1 = 0, *e2 = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -299,6 +282,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseLogicalOrExpression() { } return e1; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseLogicalAndExpression() { CXFA_FMSimpleExpression *e1 = 0, *e2 = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -323,6 +307,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseLogicalAndExpression() { } return e1; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseEqualityExpression() { CXFA_FMSimpleExpression *e1 = 0, *e2 = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -358,6 +343,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseEqualityExpression() { } return e1; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseRelationalExpression() { CXFA_FMSimpleExpression *e1 = 0, *e2 = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -415,6 +401,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseRelationalExpression() { } return e1; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseAddtiveExpression() { CXFA_FMSimpleExpression *e1 = 0, *e2 = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -448,6 +435,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseAddtiveExpression() { } return e1; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseMultiplicativeExpression() { CXFA_FMSimpleExpression *e1 = 0, *e2 = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -481,6 +469,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseMultiplicativeExpression() { } return e1; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseUnaryExpression() { CXFA_FMSimpleExpression* e = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -518,6 +507,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseUnaryExpression() { } return e; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParsePrimaryExpression() { CXFA_FMSimpleExpression* e = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -569,6 +559,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParsePrimaryExpression() { } return e; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParsePostExpression( CXFA_FMSimpleExpression* e) { FX_DWORD line = m_pToken->m_uLinenum; @@ -586,7 +577,8 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParsePostExpression( } if (m_pToken->m_type == TOKcomma) { NextToken(); - } else if (m_pToken->m_type == TOKeof) { + } else if (m_pToken->m_type == TOKeof || + m_pToken->m_type == TOKreserver) { break; } } @@ -641,7 +633,8 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParsePostExpression( pArray->Add(exp); if (m_pToken->m_type == TOKcomma) { NextToken(); - } else if (m_pToken->m_type == TOKeof) { + } else if (m_pToken->m_type == TOKeof || + m_pToken->m_type == TOKreserver) { break; } } @@ -791,6 +784,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParsePostExpression( } return e; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseIndexExpression() { CXFA_FMSimpleExpression* pExp = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -831,6 +825,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseIndexExpression() { } return pExp; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseParenExpression() { CXFA_FMSimpleExpression *pExp1 = 0, *pExp2 = 0; FX_DWORD line = m_pToken->m_uLinenum; @@ -853,6 +848,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseParenExpression() { } return pExp1; } + CXFA_FMExpression* CXFA_FMParse::ParseBlockExpression() { FX_DWORD line = m_pToken->m_uLinenum; CXFA_FMExpression* e = 0; @@ -867,6 +863,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseBlockExpression() { case TOKendfor: case TOKend: case TOKendfunc: + case TOKreserver: break; case TOKfunc: e = ParseFunction(); @@ -900,6 +897,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseBlockExpression() { } return pExp; } + CXFA_FMExpression* CXFA_FMParse::ParseIfExpression() { CXFA_FMSimpleExpression* pExpression = 0; CXFA_FMExpression* pIfExpression = 0; @@ -974,6 +972,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseIfExpression() { } return pExp; } + CXFA_FMExpression* CXFA_FMParse::ParseWhileExpression() { CXFA_FMExpression* e = 0; CXFA_FMSimpleExpression* pCondition = 0; @@ -998,6 +997,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseWhileExpression() { } return e; } + CXFA_FMSimpleExpression* CXFA_FMParse::ParseSubassignmentInForExpression() { CXFA_FMSimpleExpression* e = 0; switch (m_pToken->m_type) { @@ -1013,6 +1013,7 @@ CXFA_FMSimpleExpression* CXFA_FMParse::ParseSubassignmentInForExpression() { } return e; } + CXFA_FMExpression* CXFA_FMParse::ParseForExpression() { CXFA_FMExpression* e = 0; CFX_WideStringC wsVariant; @@ -1075,6 +1076,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseForExpression() { } return e; } + CXFA_FMExpression* CXFA_FMParse::ParseForeachExpression() { CXFA_FMExpression* e = 0; CFX_WideStringC wsIdentifier; @@ -1136,6 +1138,7 @@ CXFA_FMExpression* CXFA_FMParse::ParseForeachExpression() { } return e; } + CXFA_FMExpression* CXFA_FMParse::ParseDoExpression() { CXFA_FMExpression* e = 0; FX_DWORD line = m_pToken->m_uLinenum; diff --git a/xfa/src/fxfa/src/fm2js/xfa_fmparse.h b/xfa/src/fxfa/src/fm2js/xfa_fmparse.h index 45cd3db647..ed950c5aa4 100644 --- a/xfa/src/fxfa/src/fm2js/xfa_fmparse.h +++ b/xfa/src/fxfa/src/fm2js/xfa_fmparse.h @@ -6,10 +6,14 @@ #ifndef _XFA_FM_PARSE_H #define _XFA_FM_PARSE_H + +#include <memory> + +#include "xfa/src/fxfa/src/fm2js/xfa_lexer.h" + class CXFA_FMParse { public: CXFA_FMParse(); - ~CXFA_FMParse(); int32_t Init(const CFX_WideStringC& wsFormcalc, CXFA_FMErrorInfo* pErrorInfo); void NextToken(); void Check(XFA_FM_TOKEN op); @@ -40,10 +44,9 @@ class CXFA_FMParse { CXFA_FMSimpleExpression* ParseIndexExpression(); private: - const FX_WCHAR* m_pScript; - FX_STRSIZE m_uLength; - CXFA_FMLexer* m_lexer; + std::unique_ptr<CXFA_FMLexer> m_lexer; CXFA_FMToken* m_pToken; CXFA_FMErrorInfo* m_pErrorInfo; }; + #endif diff --git a/xfa/src/fxfa/src/fm2js/xfa_lexer.cpp b/xfa/src/fxfa/src/fm2js/xfa_lexer.cpp index 8ecc85b4b7..957c21b874 100644 --- a/xfa/src/fxfa/src/fm2js/xfa_lexer.cpp +++ b/xfa/src/fxfa/src/fm2js/xfa_lexer.cpp @@ -5,6 +5,9 @@ // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "xfa_fm2js.h" + +namespace { + struct XFA_FMDChar { static const FX_WCHAR* inc(const FX_WCHAR*& p) { ++p; @@ -43,6 +46,7 @@ struct XFA_FMDChar { const FX_WCHAR*& pEnd); static FX_BOOL isUnicodeAlpha(uint16_t ch); }; + inline FX_BOOL XFA_FMDChar::isAvalid(const FX_WCHAR* p, FX_BOOL flag) { if (*p == 0) { return 1; @@ -58,6 +62,7 @@ inline FX_BOOL XFA_FMDChar::isAvalid(const FX_WCHAR* p, FX_BOOL flag) { } return 0; } + inline FX_BOOL XFA_FMDChar::string2number(const FX_WCHAR* s, FX_DOUBLE* pValue, const FX_WCHAR*& pEnd) { @@ -66,6 +71,7 @@ inline FX_BOOL XFA_FMDChar::string2number(const FX_WCHAR* s, } return 0; } + inline FX_BOOL XFA_FMDChar::isUnicodeAlpha(uint16_t ch) { if (ch == 0 || ch == 0x0A || ch == 0x0D || ch == 0x09 || ch == 0x0B || ch == 0x0C || ch == 0x20 || ch == '.' || ch == ';' || ch == '"' || @@ -73,11 +79,11 @@ inline FX_BOOL XFA_FMDChar::isUnicodeAlpha(uint16_t ch) { ch == ')' || ch == ']' || ch == '[' || ch == '&' || ch == '|' || ch == '+' || ch == '-' || ch == '*' || ch == '/') { return FALSE; - } else { - return TRUE; } + return TRUE; } -static XFA_FMKeyword keyWords[] = { + +XFA_FMKeyword keyWords[] = { {TOKand, 0x00000026, L"&"}, {TOKlparen, 0x00000028, L"("}, {TOKrparen, 0x00000029, L")"}, @@ -138,48 +144,30 @@ static XFA_FMKeyword keyWords[] = { {TOKfunc, 0xcdce60ec, L"func"}, {TOKendif, 0xe0e8fee6, L"endif"}, }; -static const FX_WORD KEYWORD_START = TOKdo; -static const FX_WORD KEYWORD_END = TOKendif; + +const FX_WORD KEYWORD_START = TOKdo; +const FX_WORD KEYWORD_END = TOKendif; + +} // namespace + const FX_WCHAR* XFA_FM_KeywordToString(XFA_FM_TOKEN op) { return keyWords[op].m_keword; } -CXFA_FMToken::CXFA_FMToken() { - m_type = TOKreserver; - m_uLinenum = 1; - m_pNext = 0; -} -CXFA_FMToken::CXFA_FMToken(FX_DWORD uLineNum) { - m_type = TOKreserver; - m_uLinenum = uLineNum; - m_pNext = 0; -} -CXFA_FMToken::~CXFA_FMToken() {} + +CXFA_FMToken::CXFA_FMToken() : m_type(TOKreserver), m_uLinenum(1) {} + +CXFA_FMToken::CXFA_FMToken(FX_DWORD uLineNum) + : m_type(TOKreserver), m_uLinenum(uLineNum) {} + CXFA_FMLexer::CXFA_FMLexer(const CFX_WideStringC& wsFormCalc, - CXFA_FMErrorInfo* pErrorInfo) { - m_pScript = wsFormCalc.GetPtr(); - m_uLength = wsFormCalc.GetLength(); - m_uCurrentLine = 1; - m_ptr = m_pScript; - m_pToken = 0; - m_pErrorInfo = pErrorInfo; -} + CXFA_FMErrorInfo* pErrorInfo) + : m_ptr(wsFormCalc.GetPtr()), m_uCurrentLine(1), m_pErrorInfo(pErrorInfo) {} + CXFA_FMToken* CXFA_FMLexer::NextToken() { - CXFA_FMToken* t = 0; - if (!m_pToken) { - m_pToken = Scan(); - } else { - if (m_pToken->m_pNext) { - t = m_pToken->m_pNext; - delete m_pToken; - m_pToken = t; - } else { - t = m_pToken; - m_pToken = Scan(); - delete t; - } - } - return m_pToken; + m_pToken.reset(Scan()); + return m_pToken.get(); } + CXFA_FMToken* CXFA_FMLexer::Scan() { uint16_t ch = 0; CXFA_FMToken* p = new CXFA_FMToken(m_uCurrentLine); @@ -217,9 +205,6 @@ CXFA_FMToken* CXFA_FMLexer::Scan() { const FX_WCHAR* pTemp = 0; p->m_type = TOKstring; iRet = String(p, m_ptr, pTemp); - if (iRet) { - return p; - } m_ptr = pTemp; } return p; @@ -414,6 +399,7 @@ CXFA_FMToken* CXFA_FMLexer::Scan() { } } } + FX_DWORD CXFA_FMLexer::Number(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd) { @@ -427,6 +413,7 @@ FX_DWORD CXFA_FMLexer::Number(CXFA_FMToken* t, t->m_wstring = CFX_WideStringC(p, (pEnd - p)); return 0; } + FX_DWORD CXFA_FMLexer::String(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd) { @@ -466,6 +453,7 @@ FX_DWORD CXFA_FMLexer::String(CXFA_FMToken* t, t->m_wstring = CFX_WideStringC(pStart, (pEnd - pStart)); return 0; } + FX_DWORD CXFA_FMLexer::Identifiers(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd) { @@ -500,6 +488,7 @@ FX_DWORD CXFA_FMLexer::Identifiers(CXFA_FMToken* t, t->m_wstring = CFX_WideStringC(pStart, (pEnd - pStart)); return 0; } + void CXFA_FMLexer::Comment(const FX_WCHAR* p, const FX_WCHAR*& pEnd) { unsigned ch = 0; XFA_FMDChar::inc(p); @@ -521,6 +510,7 @@ void CXFA_FMLexer::Comment(const FX_WCHAR* p, const FX_WCHAR*& pEnd) { } pEnd = p; } + XFA_FM_TOKEN CXFA_FMLexer::IsKeyword(const CFX_WideStringC& str) { int32_t iLength = str.GetLength(); uint32_t uHash = FX_HashCode_String_GetW(str.GetPtr(), iLength, TRUE); @@ -540,22 +530,7 @@ XFA_FM_TOKEN CXFA_FMLexer::IsKeyword(const CFX_WideStringC& str) { } while (iStart <= iEnd); return TOKidentifier; } -CXFA_FMLexer::~CXFA_FMLexer() { - m_pScript = 0; - m_ptr = m_pScript; - if (m_pToken) { - CXFA_FMToken* t1 = m_pToken; - CXFA_FMToken* t2 = t1->m_pNext; - while (t2) { - delete t1; - t1 = t2; - t2 = t2->m_pNext; - } - delete m_pToken; - m_pToken = 0; - } - m_pErrorInfo = 0; -} + void CXFA_FMLexer::Error(XFA_FM_ERRMSG msg, ...) { m_pErrorInfo->linenum = m_uCurrentLine; const FX_WCHAR* lpMessageInfo = XFA_FM_ErrorMsg(msg); @@ -564,6 +539,7 @@ void CXFA_FMLexer::Error(XFA_FM_ERRMSG msg, ...) { m_pErrorInfo->message.FormatV(lpMessageInfo, ap); va_end(ap); } + FX_BOOL CXFA_FMLexer::HasError() const { if (m_pErrorInfo->message.IsEmpty()) { return FALSE; diff --git a/xfa/src/fxfa/src/fm2js/xfa_lexer.h b/xfa/src/fxfa/src/fm2js/xfa_lexer.h index 85b647e46c..14b927d6d9 100644 --- a/xfa/src/fxfa/src/fm2js/xfa_lexer.h +++ b/xfa/src/fxfa/src/fm2js/xfa_lexer.h @@ -6,6 +6,9 @@ #ifndef _XFA_FM_LEXER_H #define _XFA_FM_LEXER_H + +#include <memory> + enum XFA_FM_TOKEN { TOKand, TOKlparen, @@ -76,26 +79,28 @@ enum XFA_FM_TOKEN { TOKnumber, TOKreserver }; + struct XFA_FMKeyword { XFA_FM_TOKEN m_type; uint32_t m_uHash; const FX_WCHAR* m_keword; }; + const FX_WCHAR* XFA_FM_KeywordToString(XFA_FM_TOKEN op); + class CXFA_FMToken { public: CXFA_FMToken(); - CXFA_FMToken(FX_DWORD uLineNum); - ~CXFA_FMToken(); + explicit CXFA_FMToken(FX_DWORD uLineNum); + CFX_WideStringC m_wstring; XFA_FM_TOKEN m_type; FX_DWORD m_uLinenum; - CXFA_FMToken* m_pNext; }; + class CXFA_FMLexer { public: CXFA_FMLexer(const CFX_WideStringC& wsFormcalc, CXFA_FMErrorInfo* pErrorInfo); - ~CXFA_FMLexer(); CXFA_FMToken* NextToken(); FX_DWORD Number(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd); FX_DWORD String(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd); @@ -106,10 +111,8 @@ class CXFA_FMLexer { XFA_FM_TOKEN IsKeyword(const CFX_WideStringC& p); void SetCurrentLine(FX_DWORD line) { m_uCurrentLine = line; } void SetToken(CXFA_FMToken* pToken) { - if (m_pToken) { - delete m_pToken; - } - m_pToken = pToken; + if (m_pToken.get() != pToken) + m_pToken.reset(pToken); } const FX_WCHAR* SavePos() { return m_ptr; } void RestorePos(const FX_WCHAR* pPos) { m_ptr = pPos; } @@ -118,11 +121,11 @@ class CXFA_FMLexer { protected: CXFA_FMToken* Scan(); - const FX_WCHAR* m_pScript; + const FX_WCHAR* m_ptr; - FX_STRSIZE m_uLength; FX_DWORD m_uCurrentLine; - CXFA_FMToken* m_pToken; + std::unique_ptr<CXFA_FMToken> m_pToken; CXFA_FMErrorInfo* m_pErrorInfo; }; + #endif |