37   bool evaluate(StringRef Expr) const {  in evaluate()
39     Expr = Expr.trim();  in evaluate()
40     size_t EQIdx = Expr.find('=');  in evaluate()
45     StringRef LHSExpr = Expr.substr(0, EQIdx).rtrim();  in evaluate()
51       return handleError(Expr, LHSResult);  in evaluate()
53       return handleError(Expr, unexpectedToken(RemainingExpr, LHSExpr, ""));  in evaluate()
56     StringRef RHSExpr = Expr.substr(EQIdx + 1).ltrim();  in evaluate()
61       return handleError(Expr, RHSResult);  in evaluate()
63       return handleError(Expr, unexpectedToken(RemainingExpr, RHSExpr, ""));  in evaluate()
66       Checker.ErrStream << "Expression '" << Expr << "' is false: "  in evaluate()
114   StringRef getTokenForError(StringRef Expr) const {  in getTokenForError()
115     if (Expr.empty())  in getTokenForError()
119     if (isalpha(Expr[0]))  in getTokenForError()
120       std::tie(Token, Remaining) = parseSymbol(Expr);  in getTokenForError()
121     else if (isdigit(Expr[0]))  in getTokenForError()
122       std::tie(Token, Remaining) = parseNumberString(Expr);  in getTokenForError()
125       if (Expr.startswith("<<") || Expr.startswith(">>"))  in getTokenForError()
127       Token = Expr.substr(0, TokLen);  in getTokenForError()
148   bool handleError(StringRef Expr, const EvalResult &R) const {  in handleError()  argument
150     Checker.ErrStream << "Error evaluating expression '" << Expr  in handleError()
155   std::pair<BinOpToken, StringRef> parseBinOpToken(StringRef Expr) const {  in parseBinOpToken()
156     if (Expr.empty())  in parseBinOpToken()
160     if (Expr.startswith("<<"))  in parseBinOpToken()
161       return std::make_pair(BinOpToken::ShiftLeft, Expr.substr(2).ltrim());  in parseBinOpToken()
162     if (Expr.startswith(">>"))  in parseBinOpToken()
163       return std::make_pair(BinOpToken::ShiftRight, Expr.substr(2).ltrim());  in parseBinOpToken()
167     switch (Expr[0]) {  in parseBinOpToken()
169       return std::make_pair(BinOpToken::Invalid, Expr);  in parseBinOpToken()
184     return std::make_pair(Op, Expr.substr(1).ltrim());  in parseBinOpToken()
209   std::pair<StringRef, StringRef> parseSymbol(StringRef Expr) const {  in parseSymbol()
210     size_t FirstNonSymbol = Expr.find_first_not_of("0123456789"  in parseSymbol()
214     return std::make_pair(Expr.substr(0, FirstNonSymbol),  in parseSymbol()
215                           Expr.substr(FirstNonSymbol).ltrim());  in parseSymbol()
224   std::pair<EvalResult, StringRef> evalDecodeOperand(StringRef Expr) const {  in evalDecodeOperand()
225     if (!Expr.startswith("("))  in evalDecodeOperand()
226       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalDecodeOperand()
227     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalDecodeOperand()
311   std::pair<EvalResult, StringRef> evalNextPC(StringRef Expr,  in evalNextPC()  argument
313     if (!Expr.startswith("("))  in evalNextPC()
314       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalNextPC()
315     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalNextPC()
350   evalStubOrGOTAddr(StringRef Expr, ParseContext PCtx, bool IsStubAddr) const {  in evalStubOrGOTAddr()  argument
351     if (!Expr.startswith("("))  in evalStubOrGOTAddr()
352       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalStubOrGOTAddr()
353     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalStubOrGOTAddr()
364           unexpectedToken(RemainingExpr, Expr, "expected ','"), "");  in evalStubOrGOTAddr()
372           unexpectedToken(RemainingExpr, Expr, "expected ')'"), "");  in evalStubOrGOTAddr()
386   std::pair<EvalResult, StringRef> evalSectionAddr(StringRef Expr,  in evalSectionAddr()  argument
388     if (!Expr.startswith("("))  in evalSectionAddr()
389       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalSectionAddr()
390     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalSectionAddr()
401           unexpectedToken(RemainingExpr, Expr, "expected ','"), "");  in evalSectionAddr()
411           unexpectedToken(RemainingExpr, Expr, "expected ')'"), "");  in evalSectionAddr()
428   std::pair<EvalResult, StringRef> evalIdentifierExpr(StringRef Expr,  in evalIdentifierExpr()  argument
432     std::tie(Symbol, RemainingExpr) = parseSymbol(Expr);  in evalIdentifierExpr()
469   std::pair<StringRef, StringRef> parseNumberString(StringRef Expr) const {  in parseNumberString()
471     if (Expr.startswith("0x")) {  in parseNumberString()
472       FirstNonDigit = Expr.find_first_not_of("0123456789abcdefABCDEF", 2);  in parseNumberString()
474         FirstNonDigit = Expr.size();  in parseNumberString()
476       FirstNonDigit = Expr.find_first_not_of("0123456789");  in parseNumberString()
478         FirstNonDigit = Expr.size();  in parseNumberString()
480     return std::make_pair(Expr.substr(0, FirstNonDigit),  in parseNumberString()
481                           Expr.substr(FirstNonDigit));  in parseNumberString()
487   std::pair<EvalResult, StringRef> evalNumberExpr(StringRef Expr) const {  in evalNumberExpr()
490     std::tie(ValueStr, RemainingExpr) = parseNumberString(Expr);  in evalNumberExpr()
503   std::pair<EvalResult, StringRef> evalParensExpr(StringRef Expr,  in evalParensExpr()  argument
505     assert(Expr.startswith("(") && "Not a parenthesized expression");  in evalParensExpr()
509         evalComplexExpr(evalSimpleExpr(Expr.substr(1).ltrim(), PCtx), PCtx);  in evalParensExpr()
514           unexpectedToken(RemainingExpr, Expr, "expected ')'"), "");  in evalParensExpr()
523   std::pair<EvalResult, StringRef> evalLoadExpr(StringRef Expr) const {  in evalLoadExpr()
524     assert(Expr.startswith("*") && "Not a load expression");  in evalLoadExpr()
525     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalLoadExpr()
570   std::pair<EvalResult, StringRef> evalSimpleExpr(StringRef Expr,  in evalSimpleExpr()  argument
575     if (Expr.empty())  in evalSimpleExpr()
578     if (Expr[0] == '(')  in evalSimpleExpr()
579       std::tie(SubExprResult, RemainingExpr) = evalParensExpr(Expr, PCtx);  in evalSimpleExpr()
580     else if (Expr[0] == '*')  in evalSimpleExpr()
581       std::tie(SubExprResult, RemainingExpr) = evalLoadExpr(Expr);  in evalSimpleExpr()
582     else if (isalpha(Expr[0]) || Expr[0] == '_')  in evalSimpleExpr()
583       std::tie(SubExprResult, RemainingExpr) = evalIdentifierExpr(Expr, PCtx);  in evalSimpleExpr()
584     else if (isdigit(Expr[0]))  in evalSimpleExpr()
585       std::tie(SubExprResult, RemainingExpr) = evalNumberExpr(Expr);  in evalSimpleExpr()
588           unexpectedToken(Expr, Expr,  in evalSimpleExpr()