34   bool evaluate(StringRef Expr) const {  in evaluate()
36     Expr = Expr.trim();  in evaluate()
37     size_t EQIdx = Expr.find('=');  in evaluate()
42     StringRef LHSExpr = Expr.substr(0, EQIdx).rtrim();  in evaluate()
48       return handleError(Expr, LHSResult);  in evaluate()
50       return handleError(Expr, unexpectedToken(RemainingExpr, LHSExpr, ""));  in evaluate()
53     StringRef RHSExpr = Expr.substr(EQIdx + 1).ltrim();  in evaluate()
58       return handleError(Expr, RHSResult);  in evaluate()
60       return handleError(Expr, unexpectedToken(RemainingExpr, RHSExpr, ""));  in evaluate()
63       Checker.ErrStream << "Expression '" << Expr << "' is false: "  in evaluate()
110   StringRef getTokenForError(StringRef Expr) const {  in getTokenForError()
111     if (Expr.empty())  in getTokenForError()
115     if (isalpha(Expr[0]))  in getTokenForError()
116       std::tie(Token, Remaining) = parseSymbol(Expr);  in getTokenForError()
117     else if (isdigit(Expr[0]))  in getTokenForError()
118       std::tie(Token, Remaining) = parseNumberString(Expr);  in getTokenForError()
121       if (Expr.startswith("<<") || Expr.startswith(">>"))  in getTokenForError()
123       Token = Expr.substr(0, TokLen);  in getTokenForError()
144   bool handleError(StringRef Expr, const EvalResult &R) const {  in handleError()  argument
146     Checker.ErrStream << "Error evaluating expression '" << Expr  in handleError()
151   std::pair<BinOpToken, StringRef> parseBinOpToken(StringRef Expr) const {  in parseBinOpToken()
152     if (Expr.empty())  in parseBinOpToken()
156     if (Expr.startswith("<<"))  in parseBinOpToken()
157       return std::make_pair(BinOpToken::ShiftLeft, Expr.substr(2).ltrim());  in parseBinOpToken()
158     if (Expr.startswith(">>"))  in parseBinOpToken()
159       return std::make_pair(BinOpToken::ShiftRight, Expr.substr(2).ltrim());  in parseBinOpToken()
163     switch (Expr[0]) {  in parseBinOpToken()
165       return std::make_pair(BinOpToken::Invalid, Expr);  in parseBinOpToken()
180     return std::make_pair(Op, Expr.substr(1).ltrim());  in parseBinOpToken()
205   std::pair<StringRef, StringRef> parseSymbol(StringRef Expr) const {  in parseSymbol()
206     size_t FirstNonSymbol = Expr.find_first_not_of("0123456789"  in parseSymbol()
210     return std::make_pair(Expr.substr(0, FirstNonSymbol),  in parseSymbol()
211                           Expr.substr(FirstNonSymbol).ltrim());  in parseSymbol()
220   std::pair<EvalResult, StringRef> evalDecodeOperand(StringRef Expr) const {  in evalDecodeOperand()
221     if (!Expr.startswith("("))  in evalDecodeOperand()
222       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalDecodeOperand()
223     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalDecodeOperand()
287   std::pair<EvalResult, StringRef> evalNextPC(StringRef Expr,  in evalNextPC()  argument
289     if (!Expr.startswith("("))  in evalNextPC()
290       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalNextPC()
291     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalNextPC()
325   std::pair<EvalResult, StringRef> evalStubAddr(StringRef Expr,  in evalStubAddr()  argument
327     if (!Expr.startswith("("))  in evalStubAddr()
328       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalStubAddr()
329     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalStubAddr()
340           unexpectedToken(RemainingExpr, Expr, "expected ','"), "");  in evalStubAddr()
348           unexpectedToken(RemainingExpr, Expr, "expected ','"), "");  in evalStubAddr()
356           unexpectedToken(RemainingExpr, Expr, "expected ')'"), "");  in evalStubAddr()
370   std::pair<EvalResult, StringRef> evalSectionAddr(StringRef Expr,  in evalSectionAddr()  argument
372     if (!Expr.startswith("("))  in evalSectionAddr()
373       return std::make_pair(unexpectedToken(Expr, Expr, "expected '('"), "");  in evalSectionAddr()
374     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalSectionAddr()
385           unexpectedToken(RemainingExpr, Expr, "expected ','"), "");  in evalSectionAddr()
393           unexpectedToken(RemainingExpr, Expr, "expected ')'"), "");  in evalSectionAddr()
410   std::pair<EvalResult, StringRef> evalIdentifierExpr(StringRef Expr,  in evalIdentifierExpr()  argument
414     std::tie(Symbol, RemainingExpr) = parseSymbol(Expr);  in evalIdentifierExpr()
449   std::pair<StringRef, StringRef> parseNumberString(StringRef Expr) const {  in parseNumberString()
451     if (Expr.startswith("0x")) {  in parseNumberString()
452       FirstNonDigit = Expr.find_first_not_of("0123456789abcdefABCDEF", 2);  in parseNumberString()
454         FirstNonDigit = Expr.size();  in parseNumberString()
456       FirstNonDigit = Expr.find_first_not_of("0123456789");  in parseNumberString()
458         FirstNonDigit = Expr.size();  in parseNumberString()
460     return std::make_pair(Expr.substr(0, FirstNonDigit),  in parseNumberString()
461                           Expr.substr(FirstNonDigit));  in parseNumberString()
467   std::pair<EvalResult, StringRef> evalNumberExpr(StringRef Expr) const {  in evalNumberExpr()
470     std::tie(ValueStr, RemainingExpr) = parseNumberString(Expr);  in evalNumberExpr()
483   std::pair<EvalResult, StringRef> evalParensExpr(StringRef Expr,  in evalParensExpr()  argument
485     assert(Expr.startswith("(") && "Not a parenthesized expression");  in evalParensExpr()
489         evalComplexExpr(evalSimpleExpr(Expr.substr(1).ltrim(), PCtx), PCtx);  in evalParensExpr()
494           unexpectedToken(RemainingExpr, Expr, "expected ')'"), "");  in evalParensExpr()
503   std::pair<EvalResult, StringRef> evalLoadExpr(StringRef Expr) const {  in evalLoadExpr()
504     assert(Expr.startswith("*") && "Not a load expression");  in evalLoadExpr()
505     StringRef RemainingExpr = Expr.substr(1).ltrim();  in evalLoadExpr()
545   std::pair<EvalResult, StringRef> evalSimpleExpr(StringRef Expr,  in evalSimpleExpr()  argument
550     if (Expr.empty())  in evalSimpleExpr()
553     if (Expr[0] == '(')  in evalSimpleExpr()
554       std::tie(SubExprResult, RemainingExpr) = evalParensExpr(Expr, PCtx);  in evalSimpleExpr()
555     else if (Expr[0] == '*')  in evalSimpleExpr()
556       std::tie(SubExprResult, RemainingExpr) = evalLoadExpr(Expr);  in evalSimpleExpr()
557     else if (isalpha(Expr[0]) || Expr[0] == '_')  in evalSimpleExpr()
558       std::tie(SubExprResult, RemainingExpr) = evalIdentifierExpr(Expr, PCtx);  in evalSimpleExpr()
559     else if (isdigit(Expr[0]))  in evalSimpleExpr()
560       std::tie(SubExprResult, RemainingExpr) = evalNumberExpr(Expr);  in evalSimpleExpr()
563           unexpectedToken(Expr, Expr,  in evalSimpleExpr()