119 struct ExprAST {  struct
120   virtual ~ExprAST() {}  in ~ExprAST()  argument
125 struct NumberExprAST : public ExprAST {
133 struct VariableExprAST : public ExprAST {
141 struct UnaryExprAST : public ExprAST {
142   UnaryExprAST(char Opcode, std::unique_ptr<ExprAST> Operand)   in UnaryExprAST()
148   std::unique_ptr<ExprAST> Operand;
152 struct BinaryExprAST : public ExprAST {
153   BinaryExprAST(char Op, std::unique_ptr<ExprAST> LHS,  in BinaryExprAST()
154                 std::unique_ptr<ExprAST> RHS)   in BinaryExprAST()
160   std::unique_ptr<ExprAST> LHS, RHS;
164 struct CallExprAST : public ExprAST {
166               std::vector<std::unique_ptr<ExprAST>> Args)  in CallExprAST()
172   std::vector<std::unique_ptr<ExprAST>> Args;
176 struct IfExprAST : public ExprAST {
177   IfExprAST(std::unique_ptr<ExprAST> Cond, std::unique_ptr<ExprAST> Then,  in IfExprAST()
178             std::unique_ptr<ExprAST> Else)  in IfExprAST()
182   std::unique_ptr<ExprAST> Cond, Then, Else;
186 struct ForExprAST : public ExprAST {
187   ForExprAST(std::string VarName, std::unique_ptr<ExprAST> Start,  in ForExprAST()
188              std::unique_ptr<ExprAST> End, std::unique_ptr<ExprAST> Step,  in ForExprAST()
189              std::unique_ptr<ExprAST> Body)  in ForExprAST()
196   std::unique_ptr<ExprAST> Start, End, Step, Body;
200 struct VarExprAST : public ExprAST {
201   typedef std::pair<std::string, std::unique_ptr<ExprAST>> Binding;
204   VarExprAST(BindingList VarBindings, std::unique_ptr<ExprAST> Body)  in VarExprAST()
210   std::unique_ptr<ExprAST> Body;
241               std::unique_ptr<ExprAST> Body)  in FunctionAST()
247   std::unique_ptr<ExprAST> Body;
289 static std::unique_ptr<ExprAST> ParseExpression();
294 static std::unique_ptr<ExprAST> ParseIdentifierExpr() {  in ParseIdentifierExpr()
304   std::vector<std::unique_ptr<ExprAST>> Args;  in ParseIdentifierExpr()
333 static std::unique_ptr<ExprAST> ParseParenExpr() {  in ParseParenExpr()
340     return ErrorU<ExprAST>("expected ')'");  in ParseParenExpr()
346 static std::unique_ptr<ExprAST> ParseIfExpr() {  in ParseIfExpr()
355     return ErrorU<ExprAST>("expected then");  in ParseIfExpr()
363     return ErrorU<ExprAST>("expected else");  in ParseIfExpr()
402   std::unique_ptr<ExprAST> Step;  in ParseForExpr()
438     std::unique_ptr<ExprAST> Init;  in ParseVarExpr()
476 static std::unique_ptr<ExprAST> ParsePrimary() {  in ParsePrimary()
478   default: return ErrorU<ExprAST>("unknown token when expecting an expression");  in ParsePrimary()
491 static std::unique_ptr<ExprAST> ParseUnary() {  in ParseUnary()
506 static std::unique_ptr<ExprAST> ParseBinOpRHS(int ExprPrec,  in ParseBinOpRHS()
507                                               std::unique_ptr<ExprAST> LHS) {  in ParseBinOpRHS()
543 static std::unique_ptr<ExprAST> ParseExpression() {  in ParseExpression()