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Add support for logical assignment operator #6663

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112 changes: 58 additions & 54 deletions lib/Common/ConfigFlagsList.h
View file
Original file line number Diff line number Diff line change
@@ -672,6 +672,7 @@ PHASE(All)
#define DEFAULT_CONFIG_ESSymbolDescription (true)
#define DEFAULT_CONFIG_ESArrayFindFromLast (false)
#define DEFAULT_CONFIG_ESNullishCoalescingOperator (true)
#define DEFAULT_CONFIG_ESLogicalAssignmentOperator (true)
#define DEFAULT_CONFIG_ESGlobalThis (true)
#ifdef COMPILE_DISABLE_ES6RegExPrototypeProperties
// If ES6RegExPrototypeProperties needs to be disabled by compile flag, DEFAULT_CONFIG_ES6RegExPrototypeProperties should be false
@@ -1092,93 +1093,93 @@ FLAGNR(Boolean, Force32BitByteCode, "Force CC to generate 32bit bytecode intende

FLAGNR(Boolean, CollectGarbage , "Enable CollectGarbage API", DEFAULT_CONFIG_CollectGarbage)

FLAGR (Boolean, Intl , "Intl object support", DEFAULT_CONFIG_Intl)
FLAGNR(Boolean, IntlBuiltIns , "Intl built-in function support", DEFAULT_CONFIG_IntlBuiltIns)
FLAGNR(Boolean, IntlPlatform , "Make the internal Intl native helper object visible to user code", DEFAULT_CONFIG_IntlPlatform)
FLAGR(Boolean, Intl, "Intl object support", DEFAULT_CONFIG_Intl)
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Please can you revert these whitespace changes; the large gaps are intentional; the idea is to show the descriptions of related fields in line with each other - it's not been done perfectly but would rather keep it.

FLAGNR(Boolean, IntlBuiltIns, "Intl built-in function support", DEFAULT_CONFIG_IntlBuiltIns)
FLAGNR(Boolean, IntlPlatform, "Make the internal Intl native helper object visible to user code", DEFAULT_CONFIG_IntlPlatform)

FLAGNR(Boolean, JsBuiltIn , "JS Built-in function support", DEFAULT_CONFIG_JsBuiltIn)
FLAGNR(Boolean, JitRepro , "Add Function.invokeJit to execute codegen on an encoded rpc buffer", DEFAULT_CONFIG_JitRepro)
FLAGNR(Boolean, EntryPointInfoRpcData , "Keep encoded rpc buffer for jitted function on EntryPointInfo until cleanup", DEFAULT_CONFIG_EntryPointInfoRpcData)
FLAGNR(Boolean, JsBuiltIn, "JS Built-in function support", DEFAULT_CONFIG_JsBuiltIn)
FLAGNR(Boolean, JitRepro, "Add Function.invokeJit to execute codegen on an encoded rpc buffer", DEFAULT_CONFIG_JitRepro)
FLAGNR(Boolean, EntryPointInfoRpcData, "Keep encoded rpc buffer for jitted function on EntryPointInfo until cleanup", DEFAULT_CONFIG_EntryPointInfoRpcData)

FLAGNR(Boolean, LdChakraLib , "Access to the Chakra internal library with the __chakraLibrary keyword", DEFAULT_CONFIG_LdChakraLib)
FLAGNR(Boolean, TestChakraLib , "Access to the Chakra internal library with the __chakraLibrary keyword without global access restriction", DEFAULT_CONFIG_TestChakraLib)
FLAGNR(Boolean, LdChakraLib, "Access to the Chakra internal library with the __chakraLibrary keyword", DEFAULT_CONFIG_LdChakraLib)
FLAGNR(Boolean, TestChakraLib, "Access to the Chakra internal library with the __chakraLibrary keyword without global access restriction", DEFAULT_CONFIG_TestChakraLib)

// ES6 (BLUE+1) features/flags

// Master ES6 flag to enable STABLE ES6 features/flags
FLAGR(Boolean, ES6 , "Enable ES6 stable features", DEFAULT_CONFIG_ES6)
FLAGR(Boolean, ES6, "Enable ES6 stable features", DEFAULT_CONFIG_ES6)

// Master ES6 flag to enable ALL sub ES6 features/flags
FLAGNRC(Boolean, ES6All , "Enable all ES6 features, both stable and unstable", DEFAULT_CONFIG_ES6All)
FLAGNRC(Boolean, ES6All, "Enable all ES6 features, both stable and unstable", DEFAULT_CONFIG_ES6All)

// Master ES6 flag to enable Threshold ES6 features/flags
FLAGNRC(Boolean, ES6Experimental , "Enable all experimental features", DEFAULT_CONFIG_ES6All)
FLAGNRC(Boolean, ES6Experimental, "Enable all experimental features", DEFAULT_CONFIG_ES6All)

// Per ES6 feature/flag

FLAGPR (Boolean, ES6, ES7AsyncAwait , "Enable ES7 'async' and 'await' keywords" , DEFAULT_CONFIG_ES7AsyncAwait)
FLAGPR (Boolean, ES6, ES6DateParseFix , "Enable ES6 Date.parse fixes" , DEFAULT_CONFIG_ES6DateParseFix)
FLAGPR (Boolean, ES6, ES6FunctionNameFull , "Enable ES6 Full function.name" , DEFAULT_CONFIG_ES6FunctionNameFull)
FLAGPR (Boolean, ES6, ES6Generators , "Enable ES6 generators" , DEFAULT_CONFIG_ES6Generators)
FLAGPR (Boolean, ES6, ES7ExponentiationOperator, "Enable ES7 exponentiation operator (**)" , DEFAULT_CONFIG_ES7ExponentionOperator)
FLAGPR(Boolean, ES6, ES7AsyncAwait, "Enable ES7 'async' and 'await' keywords", DEFAULT_CONFIG_ES7AsyncAwait)
FLAGPR(Boolean, ES6, ES6DateParseFix, "Enable ES6 Date.parse fixes", DEFAULT_CONFIG_ES6DateParseFix)
FLAGPR(Boolean, ES6, ES6FunctionNameFull, "Enable ES6 Full function.name", DEFAULT_CONFIG_ES6FunctionNameFull)
FLAGPR(Boolean, ES6, ES6Generators, "Enable ES6 generators", DEFAULT_CONFIG_ES6Generators)
FLAGPR(Boolean, ES6, ES7ExponentiationOperator, "Enable ES7 exponentiation operator (**)", DEFAULT_CONFIG_ES7ExponentionOperator)

FLAGPR (Boolean, ES6, ES7ValuesEntries , "Enable ES7 Object.values and Object.entries" , DEFAULT_CONFIG_ES7ValuesEntries)
FLAGPR (Boolean, ES6, ES7TrailingComma , "Enable ES7 trailing comma in function" , DEFAULT_CONFIG_ES7TrailingComma)
FLAGPR (Boolean, ES6, ES6IsConcatSpreadable , "Enable ES6 isConcatSpreadable Symbol" , DEFAULT_CONFIG_ES6IsConcatSpreadable)
FLAGPR (Boolean, ES6, ES6Math , "Enable ES6 Math extensions" , DEFAULT_CONFIG_ES6Math)
FLAGPR(Boolean, ES6, ES7ValuesEntries, "Enable ES7 Object.values and Object.entries", DEFAULT_CONFIG_ES7ValuesEntries)
FLAGPR(Boolean, ES6, ES7TrailingComma, "Enable ES7 trailing comma in function", DEFAULT_CONFIG_ES7TrailingComma)
FLAGPR(Boolean, ES6, ES6IsConcatSpreadable, "Enable ES6 isConcatSpreadable Symbol", DEFAULT_CONFIG_ES6IsConcatSpreadable)
FLAGPR(Boolean, ES6, ES6Math, "Enable ES6 Math extensions", DEFAULT_CONFIG_ES6Math)

#ifndef COMPILE_DISABLE_ESDynamicImport
#define COMPILE_DISABLE_ESDynamicImport 0
#endif
FLAGPR_REGOVR_EXP(Boolean, ES6, ESDynamicImport , "Enable dynamic import" , DEFAULT_CONFIG_ESDynamicImport)

FLAGPR (Boolean, ES6, ES6Module , "Enable ES6 Modules" , DEFAULT_CONFIG_ES6Module)
FLAGPR (Boolean, ES6, ES6Object , "Enable ES6 Object extensions" , DEFAULT_CONFIG_ES6Object)
FLAGPR (Boolean, ES6, ES6Number , "Enable ES6 Number extensions" , DEFAULT_CONFIG_ES6Number)
FLAGPR (Boolean, ES6, ES6ObjectLiterals , "Enable ES6 Object literal extensions" , DEFAULT_CONFIG_ES6ObjectLiterals)
FLAGPR (Boolean, ES6, ES6Proxy , "Enable ES6 Proxy feature" , DEFAULT_CONFIG_ES6Proxy)
FLAGPR (Boolean, ES6, ES6Rest , "Enable ES6 Rest parameters" , DEFAULT_CONFIG_ES6Rest)
FLAGPR (Boolean, ES6, ES6Spread , "Enable ES6 Spread support" , DEFAULT_CONFIG_ES6Spread)
FLAGPR (Boolean, ES6, ES6String , "Enable ES6 String extensions" , DEFAULT_CONFIG_ES6String)
FLAGPR (Boolean, ES6, ES6StringPrototypeFixes, "Enable ES6 String.prototype fixes" , DEFAULT_CONFIG_ES6StringPrototypeFixes)
FLAGPR (Boolean, ES6, ES2018ObjectRestSpread , "Enable ES2018 Object Rest/Spread" , DEFAULT_CONFIG_ES2018ObjectRestSpread)

FLAGPR (Boolean, ES6, ES6PrototypeChain , "Enable ES6 prototypes (Example: Date prototype is object)", DEFAULT_CONFIG_ES6PrototypeChain)
FLAGPR (Boolean, ES6, ES6ToPrimitive , "Enable ES6 ToPrimitive symbol" , DEFAULT_CONFIG_ES6ToPrimitive)
FLAGPR (Boolean, ES6, ES6ToLength , "Enable ES6 ToLength fixes" , DEFAULT_CONFIG_ES6ToLength)
FLAGPR (Boolean, ES6, ES6ToStringTag , "Enable ES6 ToStringTag symbol" , DEFAULT_CONFIG_ES6ToStringTag)
FLAGPR (Boolean, ES6, ES6Unicode , "Enable ES6 Unicode 6.0 extensions" , DEFAULT_CONFIG_ES6Unicode)
FLAGPR (Boolean, ES6, ES6UnicodeVerbose , "Enable ES6 Unicode 6.0 verbose failure output" , DEFAULT_CONFIG_ES6UnicodeVerbose)
FLAGPR (Boolean, ES6, ES6Unscopables , "Enable ES6 With Statement Unscopables" , DEFAULT_CONFIG_ES6Unscopables)
FLAGPR (Boolean, ES6, ES6RegExSticky , "Enable ES6 RegEx sticky flag" , DEFAULT_CONFIG_ES6RegExSticky)
FLAGPR (Boolean, ES6, ES2018RegExDotAll , "Enable ES2018 RegEx dotAll flag" , DEFAULT_CONFIG_ES2018RegExDotAll)
FLAGPR (Boolean, ES6, ESExportNsAs , "Enable ES experimental export * as name" , DEFAULT_CONFIG_ESExportNsAs)
FLAGPR (Boolean, ES6, ES2018AsyncIteration , "Enable ES2018 Async Iteration" , DEFAULT_CONFIG_ES2018AsyncIteration)
FLAGPR (Boolean, ES6, ESTopLevelAwait , "Enable Top Level Await in modules" , DEFAULT_CONFIG_ESTopLevelAwait)
FLAGPR_REGOVR_EXP(Boolean, ES6, ESDynamicImport, "Enable dynamic import", DEFAULT_CONFIG_ESDynamicImport)

FLAGPR(Boolean, ES6, ES6Module, "Enable ES6 Modules", DEFAULT_CONFIG_ES6Module)
FLAGPR(Boolean, ES6, ES6Object, "Enable ES6 Object extensions", DEFAULT_CONFIG_ES6Object)
FLAGPR(Boolean, ES6, ES6Number, "Enable ES6 Number extensions", DEFAULT_CONFIG_ES6Number)
FLAGPR(Boolean, ES6, ES6ObjectLiterals, "Enable ES6 Object literal extensions", DEFAULT_CONFIG_ES6ObjectLiterals)
FLAGPR(Boolean, ES6, ES6Proxy, "Enable ES6 Proxy feature", DEFAULT_CONFIG_ES6Proxy)
FLAGPR(Boolean, ES6, ES6Rest, "Enable ES6 Rest parameters", DEFAULT_CONFIG_ES6Rest)
FLAGPR(Boolean, ES6, ES6Spread, "Enable ES6 Spread support", DEFAULT_CONFIG_ES6Spread)
FLAGPR(Boolean, ES6, ES6String, "Enable ES6 String extensions", DEFAULT_CONFIG_ES6String)
FLAGPR(Boolean, ES6, ES6StringPrototypeFixes, "Enable ES6 String.prototype fixes", DEFAULT_CONFIG_ES6StringPrototypeFixes)
FLAGPR(Boolean, ES6, ES2018ObjectRestSpread, "Enable ES2018 Object Rest/Spread", DEFAULT_CONFIG_ES2018ObjectRestSpread)

FLAGPR(Boolean, ES6, ES6PrototypeChain, "Enable ES6 prototypes (Example: Date prototype is object)", DEFAULT_CONFIG_ES6PrototypeChain)
FLAGPR(Boolean, ES6, ES6ToPrimitive, "Enable ES6 ToPrimitive symbol", DEFAULT_CONFIG_ES6ToPrimitive)
FLAGPR(Boolean, ES6, ES6ToLength, "Enable ES6 ToLength fixes", DEFAULT_CONFIG_ES6ToLength)
FLAGPR(Boolean, ES6, ES6ToStringTag, "Enable ES6 ToStringTag symbol", DEFAULT_CONFIG_ES6ToStringTag)
FLAGPR(Boolean, ES6, ES6Unicode, "Enable ES6 Unicode 6.0 extensions", DEFAULT_CONFIG_ES6Unicode)
FLAGPR(Boolean, ES6, ES6UnicodeVerbose, "Enable ES6 Unicode 6.0 verbose failure output", DEFAULT_CONFIG_ES6UnicodeVerbose)
FLAGPR(Boolean, ES6, ES6Unscopables, "Enable ES6 With Statement Unscopables", DEFAULT_CONFIG_ES6Unscopables)
FLAGPR(Boolean, ES6, ES6RegExSticky, "Enable ES6 RegEx sticky flag", DEFAULT_CONFIG_ES6RegExSticky)
FLAGPR(Boolean, ES6, ES2018RegExDotAll, "Enable ES2018 RegEx dotAll flag", DEFAULT_CONFIG_ES2018RegExDotAll)
FLAGPR(Boolean, ES6, ESExportNsAs, "Enable ES experimental export * as name", DEFAULT_CONFIG_ESExportNsAs)
FLAGPR(Boolean, ES6, ES2018AsyncIteration, "Enable ES2018 Async Iteration", DEFAULT_CONFIG_ES2018AsyncIteration)
FLAGPR(Boolean, ES6, ESTopLevelAwait, "Enable Top Level Await in modules", DEFAULT_CONFIG_ESTopLevelAwait)

#ifndef COMPILE_DISABLE_ES6RegExPrototypeProperties
#define COMPILE_DISABLE_ES6RegExPrototypeProperties 0
#define COMPILE_DISABLE_ES6RegExPrototypeProperties 0
#endif
FLAGPR_REGOVR_EXP(Boolean, ES6, ES6RegExPrototypeProperties, "Enable ES6 properties on the RegEx prototype" , DEFAULT_CONFIG_ES6RegExPrototypeProperties)
FLAGPR_REGOVR_EXP(Boolean, ES6, ES6RegExPrototypeProperties, "Enable ES6 properties on the RegEx prototype", DEFAULT_CONFIG_ES6RegExPrototypeProperties)

#ifndef COMPILE_DISABLE_ES6RegExSymbols
#define COMPILE_DISABLE_ES6RegExSymbols 0
#define COMPILE_DISABLE_ES6RegExSymbols 0
#endif

// When we enable ES6RegExSymbols check all String and Regex built-ins which are inlined in JIT and make sure the helper
// sets implicit call flag before calling into script
// Also, the corresponding helpers in JnHelperMethodList.h should be marked as being reentrant
FLAGPR_REGOVR_EXP(Boolean, ES6, ES6RegExSymbols , "Enable ES6 RegExp symbols" , DEFAULT_CONFIG_ES6RegExSymbols)
FLAGPR_REGOVR_EXP(Boolean, ES6, ES6RegExSymbols, "Enable ES6 RegExp symbols", DEFAULT_CONFIG_ES6RegExSymbols)

FLAGPR (Boolean, ES6, ES6HasInstance , "Enable ES6 @@hasInstance symbol" , DEFAULT_CONFIG_ES6HasInstance)
FLAGPR (Boolean, ES6, ES6Verbose , "Enable ES6 verbose trace" , DEFAULT_CONFIG_ES6Verbose)
FLAGPR (Boolean, ES6, ESObjectGetOwnPropertyDescriptors, "Enable Object.getOwnPropertyDescriptors" , DEFAULT_CONFIG_ESObjectGetOwnPropertyDescriptors)
FLAGPR(Boolean, ES6, ES6HasInstance, "Enable ES6 @@hasInstance symbol", DEFAULT_CONFIG_ES6HasInstance)
FLAGPR(Boolean, ES6, ES6Verbose, "Enable ES6 verbose trace", DEFAULT_CONFIG_ES6Verbose)
FLAGPR(Boolean, ES6, ESObjectGetOwnPropertyDescriptors, "Enable Object.getOwnPropertyDescriptors", DEFAULT_CONFIG_ESObjectGetOwnPropertyDescriptors)

#ifndef COMPILE_DISABLE_ESSharedArrayBuffer
#define COMPILE_DISABLE_ESSharedArrayBuffer 0
#define COMPILE_DISABLE_ESSharedArrayBuffer 0
#endif

FLAGPR_REGOVR_EXP(Boolean, ES6, ESSharedArrayBuffer , "Enable SharedArrayBuffer" , DEFAULT_CONFIG_ESSharedArrayBuffer)
FLAGPR_REGOVR_EXP(Boolean, ES6, ESSharedArrayBuffer, "Enable SharedArrayBuffer", DEFAULT_CONFIG_ESSharedArrayBuffer)

// Newer language feature flags

@@ -1191,6 +1192,9 @@ FLAGR(Boolean, ESNumericSeparator, "Enable Numeric Separator flag", DEFAULT_CONF
// ES Nullish coalescing operator support (??)
FLAGR(Boolean, ESNullishCoalescingOperator, "Enable nullish coalescing operator", DEFAULT_CONFIG_ESNullishCoalescingOperator)

// ES Logical assignment operator support (||=, &&=, ??=)
FLAGR(Boolean, ESLogicalAssignmentOperator, "Enable logical assignment operator", DEFAULT_CONFIG_ESLogicalAssignmentOperator)

// ES Hashbang support for interpreter directive syntax
FLAGR(Boolean, ESHashbang, "Enable Hashbang syntax", DEFAULT_CONFIG_ESHashbang)

21 changes: 21 additions & 0 deletions lib/Parser/Parse.cpp
View file
Original file line number Diff line number Diff line change
@@ -281,6 +281,9 @@ LPCWSTR Parser::GetTokenString(tokens token)
case tkLogOr: return _u("||");
case tkLogAnd: return _u("&&");
case tkCoalesce: return _u("??");
case tkAsgLogOr: return _u("||=");
case tkAsgLogAnd: return _u("&&=");
case tkAsgLogCoalesce: return _u("??=");
case tkOr: return _u("|");
case tkXor: return _u("^");
case tkAnd: return _u("&");
@@ -12748,6 +12751,9 @@ ParseNode* Parser::CopyPnode(ParseNode *pnode) {
case knopLogOr:
case knopLogAnd:
case knopCoalesce:
case knopAsgLogAnd:
case knopAsgLogOr:
case knopAsgCoalesce:
case knopLsh:
case knopRsh:
case knopRs2:
@@ -14042,6 +14048,21 @@ void PrintPnodeWIndent(ParseNode *pnode, int indentAmt) {
PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode1, indentAmt + INDENT_SIZE);
PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode2, indentAmt + INDENT_SIZE);
break;
case knopAsgLogAnd:
Indent(indentAmt);
Output::Print(_u("&&=\n"));
PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode1, indentAmt + INDENT_SIZE);
PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode2, indentAmt + INDENT_SIZE);
case knopAsgLogOr:
Indent(indentAmt);
Output::Print(_u("||=\n"));
PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode1, indentAmt + INDENT_SIZE);
PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode2, indentAmt + INDENT_SIZE);
case knopAsgCoalesce:
Indent(indentAmt);
Output::Print(_u("??=\n"));
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Ubuntu sees "??=" as a trigraph (a weird obsolete C language feature) to stop the compile failures I think you'll need to change this to "??="

PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode1, indentAmt + INDENT_SIZE);
PrintPnodeWIndent(pnode->AsParseNodeBin()->pnode2, indentAmt + INDENT_SIZE);
//PTNODE(knopLsh , "<<" ,Lsh ,Bin ,fnopBin)
case knopLsh:
Indent(indentAmt);
3 changes: 3 additions & 0 deletions lib/Parser/Parse.h
View file
Original file line number Diff line number Diff line change
@@ -18,6 +18,9 @@ enum
koplNo, // not an operator
koplCma, // ,
koplSpr, // ...
koplLorAsg, // ||=
koplLanAsg, // &&=
koplLcoAsg, // ??=
koplAsg, // = += etc
koplQue, // ?:
koplLor, // ||
27 changes: 26 additions & 1 deletion lib/Parser/Scan.cpp
View file
Original file line number Diff line number Diff line change
@@ -1778,7 +1778,20 @@ tokens Scanner<EncodingPolicy>::ScanCore(bool identifyKwds)
{
p++;
token = tkCoalesce;
break;
}
if (m_scriptContext->GetConfig()->IsEsLogicalAssignmentOperatorEnabled())
{
Assert(token == tkQMark || token == tkCoalesce);
if (token == tkCoalesce && this->PeekFirst(p, last) == '=')
{
p++;
token = tkAsgLogCoalesce;
}
else if (this->PeekFirst(p, last) == '?' && this->PeekFirst(p + 1, last) == '=')
{
p += 2;
token = tkAsgLogCoalesce;
}
Comment on lines +1790 to +1794
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Is this case only possible if NullishCoalescing is disabled? If yes please include a comment about that.

}
break;

@@ -2181,6 +2194,12 @@ tokens Scanner<EncodingPolicy>::ScanCore(bool identifyKwds)
case '|':
p++;
token = tkLogOr;
if (m_scriptContext->GetConfig()->IsEsLogicalAssignmentOperatorEnabled() && this->PeekFirst(p, last) == '=')
{
p++;
token = tkAsgLogOr;
break;
}
break;
}
break;
@@ -2196,6 +2215,12 @@ tokens Scanner<EncodingPolicy>::ScanCore(bool identifyKwds)
case '&':
p++;
token = tkLogAnd;
if (m_scriptContext->GetConfig()->IsEsLogicalAssignmentOperatorEnabled() && this->PeekFirst(p, last) == '=')
{
p++;
token = tkAsgLogAnd;
break;
}
break;
}
break;
3 changes: 3 additions & 0 deletions lib/Parser/kwd-lsc.h
View file
Original file line number Diff line number Diff line change
@@ -146,6 +146,9 @@ TOK_DCL(tkColon , No, knopNone , No, knopNone ) // :
TOK_DCL(tkLogOr ,Lor, knopLogOr , No, knopNone ) // ||
TOK_DCL(tkLogAnd ,Lan, knopLogAnd , No, knopNone ) // &&
TOK_DCL(tkCoalesce ,Lco, knopCoalesce,No, knopNone ) // ??
TOK_DCL(tkAsgLogOr ,LorAsg ,knopAsgLogOr , No ,knopNone) // ||=
TOK_DCL(tkAsgLogAnd ,LanAsg ,knopAsgLogAnd , No ,knopNone) // &&=
TOK_DCL(tkAsgLogCoalesce,LcoAsg ,knopAsgCoalesce, No ,knopNone) // ??=
TOK_DCL(tkOr ,Bor, knopOr , No, knopNone ) // |
TOK_DCL(tkXor ,Xor, knopXor , No, knopNone ) // ^
TOK_DCL(tkAnd ,Ban, knopAnd , No, knopNone ) // &
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