forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			1455 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			1455 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===--- StmtPrinter.cpp - Printing implementation for Stmt ASTs ----------===//
 | |
| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // This file implements the Stmt::dumpPretty/Stmt::printPretty methods, which
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| // pretty print the AST back out to C code.
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| //
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| //===----------------------------------------------------------------------===//
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| 
 | |
| #include "clang/AST/StmtVisitor.h"
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| #include "clang/AST/DeclCXX.h"
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| #include "clang/AST/DeclObjC.h"
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| #include "clang/AST/DeclTemplate.h"
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| #include "clang/AST/PrettyPrinter.h"
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| #include "llvm/Support/Format.h"
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| #include "clang/AST/Expr.h"
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| #include "clang/AST/ExprCXX.h"
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| using namespace clang;
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| 
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| //===----------------------------------------------------------------------===//
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| // StmtPrinter Visitor
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| //===----------------------------------------------------------------------===//
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| 
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| namespace  {
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|   class StmtPrinter : public StmtVisitor<StmtPrinter> {
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|     llvm::raw_ostream &OS;
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|     ASTContext &Context;
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|     unsigned IndentLevel;
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|     clang::PrinterHelper* Helper;
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|     PrintingPolicy Policy;
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| 
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|   public:
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|     StmtPrinter(llvm::raw_ostream &os, ASTContext &C, PrinterHelper* helper,
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|                 const PrintingPolicy &Policy,
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|                 unsigned Indentation = 0)
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|       : OS(os), Context(C), IndentLevel(Indentation), Helper(helper),
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|         Policy(Policy) {}
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| 
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|     void PrintStmt(Stmt *S) {
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|       PrintStmt(S, Policy.Indentation);
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|     }
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| 
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|     void PrintStmt(Stmt *S, int SubIndent) {
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|       IndentLevel += SubIndent;
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|       if (S && isa<Expr>(S)) {
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|         // If this is an expr used in a stmt context, indent and newline it.
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|         Indent();
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|         Visit(S);
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|         OS << ";\n";
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|       } else if (S) {
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|         Visit(S);
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|       } else {
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|         Indent() << "<<<NULL STATEMENT>>>\n";
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|       }
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|       IndentLevel -= SubIndent;
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|     }
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| 
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|     void PrintRawCompoundStmt(CompoundStmt *S);
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|     void PrintRawDecl(Decl *D);
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|     void PrintRawDeclStmt(DeclStmt *S);
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|     void PrintRawIfStmt(IfStmt *If);
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|     void PrintRawCXXCatchStmt(CXXCatchStmt *Catch);
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|     void PrintCallArgs(CallExpr *E);
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| 
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|     void PrintExpr(Expr *E) {
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|       if (E)
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|         Visit(E);
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|       else
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|         OS << "<null expr>";
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|     }
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| 
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|     llvm::raw_ostream &Indent(int Delta = 0) {
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|       for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
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|         OS << "  ";
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|       return OS;
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|     }
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| 
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|     void Visit(Stmt* S) {
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|       if (Helper && Helper->handledStmt(S,OS))
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|           return;
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|       else StmtVisitor<StmtPrinter>::Visit(S);
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|     }
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|     
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|     void VisitStmt(Stmt *Node) LLVM_ATTRIBUTE_UNUSED {
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|       Indent() << "<<unknown stmt type>>\n";
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|     }
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|     void VisitExpr(Expr *Node) LLVM_ATTRIBUTE_UNUSED {
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|       OS << "<<unknown expr type>>";
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|     }
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|     void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
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| 
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| #define ABSTRACT_STMT(CLASS)
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| #define STMT(CLASS, PARENT) \
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|     void Visit##CLASS(CLASS *Node);
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| #include "clang/AST/StmtNodes.inc"
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|   };
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| }
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| 
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| //===----------------------------------------------------------------------===//
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| //  Stmt printing methods.
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| //===----------------------------------------------------------------------===//
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| 
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| /// PrintRawCompoundStmt - Print a compound stmt without indenting the {, and
 | |
| /// with no newline after the }.
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| void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
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|   OS << "{\n";
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|   for (CompoundStmt::body_iterator I = Node->body_begin(), E = Node->body_end();
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|        I != E; ++I)
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|     PrintStmt(*I);
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| 
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|   Indent() << "}";
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| }
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| 
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| void StmtPrinter::PrintRawDecl(Decl *D) {
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|   D->print(OS, Policy, IndentLevel);
 | |
| }
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| 
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| void StmtPrinter::PrintRawDeclStmt(DeclStmt *S) {
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|   DeclStmt::decl_iterator Begin = S->decl_begin(), End = S->decl_end();
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|   llvm::SmallVector<Decl*, 2> Decls;
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|   for ( ; Begin != End; ++Begin)
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|     Decls.push_back(*Begin);
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| 
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|   Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
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| }
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| 
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| void StmtPrinter::VisitNullStmt(NullStmt *Node) {
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|   Indent() << ";\n";
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| }
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| 
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| void StmtPrinter::VisitDeclStmt(DeclStmt *Node) {
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|   Indent();
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|   PrintRawDeclStmt(Node);
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|   OS << ";\n";
 | |
| }
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| 
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| void StmtPrinter::VisitCompoundStmt(CompoundStmt *Node) {
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|   Indent();
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|   PrintRawCompoundStmt(Node);
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|   OS << "\n";
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| }
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| 
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| void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
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|   Indent(-1) << "case ";
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|   PrintExpr(Node->getLHS());
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|   if (Node->getRHS()) {
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|     OS << " ... ";
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|     PrintExpr(Node->getRHS());
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|   }
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|   OS << ":\n";
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| 
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|   PrintStmt(Node->getSubStmt(), 0);
 | |
| }
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| 
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| void StmtPrinter::VisitDefaultStmt(DefaultStmt *Node) {
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|   Indent(-1) << "default:\n";
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|   PrintStmt(Node->getSubStmt(), 0);
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| }
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| 
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| void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
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|   Indent(-1) << Node->getName() << ":\n";
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|   PrintStmt(Node->getSubStmt(), 0);
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| }
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| 
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| void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
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|   OS << "if (";
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|   PrintExpr(If->getCond());
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|   OS << ')';
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| 
 | |
|   if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
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|     OS << ' ';
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|     PrintRawCompoundStmt(CS);
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|     OS << (If->getElse() ? ' ' : '\n');
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|   } else {
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|     OS << '\n';
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|     PrintStmt(If->getThen());
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|     if (If->getElse()) Indent();
 | |
|   }
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| 
 | |
|   if (Stmt *Else = If->getElse()) {
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|     OS << "else";
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| 
 | |
|     if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) {
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|       OS << ' ';
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|       PrintRawCompoundStmt(CS);
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|       OS << '\n';
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|     } else if (IfStmt *ElseIf = dyn_cast<IfStmt>(Else)) {
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|       OS << ' ';
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|       PrintRawIfStmt(ElseIf);
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|     } else {
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|       OS << '\n';
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|       PrintStmt(If->getElse());
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|     }
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|   }
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| }
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| 
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| void StmtPrinter::VisitIfStmt(IfStmt *If) {
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|   Indent();
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|   PrintRawIfStmt(If);
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| }
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| 
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| void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
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|   Indent() << "switch (";
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|   PrintExpr(Node->getCond());
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|   OS << ")";
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| 
 | |
|   // Pretty print compoundstmt bodies (very common).
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|   if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
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|     OS << " ";
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|     PrintRawCompoundStmt(CS);
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|     OS << "\n";
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|   } else {
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|     OS << "\n";
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|     PrintStmt(Node->getBody());
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|   }
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| }
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| 
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| void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
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|   Indent() << "while (";
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|   PrintExpr(Node->getCond());
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|   OS << ")\n";
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|   PrintStmt(Node->getBody());
 | |
| }
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| 
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| void StmtPrinter::VisitDoStmt(DoStmt *Node) {
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|   Indent() << "do ";
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|   if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
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|     PrintRawCompoundStmt(CS);
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|     OS << " ";
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|   } else {
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|     OS << "\n";
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|     PrintStmt(Node->getBody());
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|     Indent();
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|   }
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| 
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|   OS << "while (";
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|   PrintExpr(Node->getCond());
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|   OS << ");\n";
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| }
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| 
 | |
| void StmtPrinter::VisitForStmt(ForStmt *Node) {
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|   Indent() << "for (";
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|   if (Node->getInit()) {
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|     if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getInit()))
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|       PrintRawDeclStmt(DS);
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|     else
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|       PrintExpr(cast<Expr>(Node->getInit()));
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|   }
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|   OS << ";";
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|   if (Node->getCond()) {
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|     OS << " ";
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|     PrintExpr(Node->getCond());
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|   }
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|   OS << ";";
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|   if (Node->getInc()) {
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|     OS << " ";
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|     PrintExpr(Node->getInc());
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|   }
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|   OS << ") ";
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| 
 | |
|   if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
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|     PrintRawCompoundStmt(CS);
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|     OS << "\n";
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|   } else {
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|     OS << "\n";
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|     PrintStmt(Node->getBody());
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|   }
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| }
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| 
 | |
| void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
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|   Indent() << "for (";
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|   if (DeclStmt *DS = dyn_cast<DeclStmt>(Node->getElement()))
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|     PrintRawDeclStmt(DS);
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|   else
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|     PrintExpr(cast<Expr>(Node->getElement()));
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|   OS << " in ";
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|   PrintExpr(Node->getCollection());
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|   OS << ") ";
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| 
 | |
|   if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
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|     PrintRawCompoundStmt(CS);
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|     OS << "\n";
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|   } else {
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|     OS << "\n";
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|     PrintStmt(Node->getBody());
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|   }
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| }
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| 
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| void StmtPrinter::VisitCXXForRangeStmt(CXXForRangeStmt *Node) {
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|   Indent() << "for (";
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|   PrintingPolicy SubPolicy(Policy);
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|   SubPolicy.SuppressInitializers = true;
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|   Node->getLoopVariable()->print(OS, SubPolicy, IndentLevel);
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|   OS << " : ";
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|   PrintExpr(Node->getRangeInit());
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|   OS << ") {\n";
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|   PrintStmt(Node->getBody());
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|   Indent() << "}\n";
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| }
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| 
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| void StmtPrinter::VisitGotoStmt(GotoStmt *Node) {
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|   Indent() << "goto " << Node->getLabel()->getName() << ";\n";
 | |
| }
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| 
 | |
| void StmtPrinter::VisitIndirectGotoStmt(IndirectGotoStmt *Node) {
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|   Indent() << "goto *";
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|   PrintExpr(Node->getTarget());
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|   OS << ";\n";
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| }
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| 
 | |
| void StmtPrinter::VisitContinueStmt(ContinueStmt *Node) {
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|   Indent() << "continue;\n";
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| }
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| 
 | |
| void StmtPrinter::VisitBreakStmt(BreakStmt *Node) {
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|   Indent() << "break;\n";
 | |
| }
 | |
| 
 | |
| 
 | |
| void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
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|   Indent() << "return";
 | |
|   if (Node->getRetValue()) {
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|     OS << " ";
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|     PrintExpr(Node->getRetValue());
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|   }
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|   OS << ";\n";
 | |
| }
 | |
| 
 | |
| 
 | |
| void StmtPrinter::VisitAsmStmt(AsmStmt *Node) {
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|   Indent() << "asm ";
 | |
| 
 | |
|   if (Node->isVolatile())
 | |
|     OS << "volatile ";
 | |
| 
 | |
|   OS << "(";
 | |
|   VisitStringLiteral(Node->getAsmString());
 | |
| 
 | |
|   // Outputs
 | |
|   if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
 | |
|       Node->getNumClobbers() != 0)
 | |
|     OS << " : ";
 | |
| 
 | |
|   for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
 | |
|     if (i != 0)
 | |
|       OS << ", ";
 | |
| 
 | |
|     if (!Node->getOutputName(i).empty()) {
 | |
|       OS << '[';
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|       OS << Node->getOutputName(i);
 | |
|       OS << "] ";
 | |
|     }
 | |
| 
 | |
|     VisitStringLiteral(Node->getOutputConstraintLiteral(i));
 | |
|     OS << " ";
 | |
|     Visit(Node->getOutputExpr(i));
 | |
|   }
 | |
| 
 | |
|   // Inputs
 | |
|   if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0)
 | |
|     OS << " : ";
 | |
| 
 | |
|   for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
 | |
|     if (i != 0)
 | |
|       OS << ", ";
 | |
| 
 | |
|     if (!Node->getInputName(i).empty()) {
 | |
|       OS << '[';
 | |
|       OS << Node->getInputName(i);
 | |
|       OS << "] ";
 | |
|     }
 | |
| 
 | |
|     VisitStringLiteral(Node->getInputConstraintLiteral(i));
 | |
|     OS << " ";
 | |
|     Visit(Node->getInputExpr(i));
 | |
|   }
 | |
| 
 | |
|   // Clobbers
 | |
|   if (Node->getNumClobbers() != 0)
 | |
|     OS << " : ";
 | |
| 
 | |
|   for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
 | |
|     if (i != 0)
 | |
|       OS << ", ";
 | |
| 
 | |
|     VisitStringLiteral(Node->getClobber(i));
 | |
|   }
 | |
| 
 | |
|   OS << ");\n";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
 | |
|   Indent() << "@try";
 | |
|   if (CompoundStmt *TS = dyn_cast<CompoundStmt>(Node->getTryBody())) {
 | |
|     PrintRawCompoundStmt(TS);
 | |
|     OS << "\n";
 | |
|   }
 | |
| 
 | |
|   for (unsigned I = 0, N = Node->getNumCatchStmts(); I != N; ++I) {
 | |
|     ObjCAtCatchStmt *catchStmt = Node->getCatchStmt(I);
 | |
|     Indent() << "@catch(";
 | |
|     if (catchStmt->getCatchParamDecl()) {
 | |
|       if (Decl *DS = catchStmt->getCatchParamDecl())
 | |
|         PrintRawDecl(DS);
 | |
|     }
 | |
|     OS << ")";
 | |
|     if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
 | |
|       PrintRawCompoundStmt(CS);
 | |
|       OS << "\n";
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>(
 | |
|         Node->getFinallyStmt())) {
 | |
|     Indent() << "@finally";
 | |
|     PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
 | |
|     OS << "\n";
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCAtCatchStmt (ObjCAtCatchStmt *Node) {
 | |
|   Indent() << "@catch (...) { /* todo */ } \n";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCAtThrowStmt(ObjCAtThrowStmt *Node) {
 | |
|   Indent() << "@throw";
 | |
|   if (Node->getThrowExpr()) {
 | |
|     OS << " ";
 | |
|     PrintExpr(Node->getThrowExpr());
 | |
|   }
 | |
|   OS << ";\n";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *Node) {
 | |
|   Indent() << "@synchronized (";
 | |
|   PrintExpr(Node->getSynchExpr());
 | |
|   OS << ")";
 | |
|   PrintRawCompoundStmt(Node->getSynchBody());
 | |
|   OS << "\n";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::PrintRawCXXCatchStmt(CXXCatchStmt *Node) {
 | |
|   OS << "catch (";
 | |
|   if (Decl *ExDecl = Node->getExceptionDecl())
 | |
|     PrintRawDecl(ExDecl);
 | |
|   else
 | |
|     OS << "...";
 | |
|   OS << ") ";
 | |
|   PrintRawCompoundStmt(cast<CompoundStmt>(Node->getHandlerBlock()));
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
 | |
|   Indent();
 | |
|   PrintRawCXXCatchStmt(Node);
 | |
|   OS << "\n";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
 | |
|   Indent() << "try ";
 | |
|   PrintRawCompoundStmt(Node->getTryBlock());
 | |
|   for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
 | |
|     OS << " ";
 | |
|     PrintRawCXXCatchStmt(Node->getHandler(i));
 | |
|   }
 | |
|   OS << "\n";
 | |
| }
 | |
| 
 | |
| //===----------------------------------------------------------------------===//
 | |
| //  Expr printing methods.
 | |
| //===----------------------------------------------------------------------===//
 | |
| 
 | |
| void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
 | |
|   if (NestedNameSpecifier *Qualifier = Node->getQualifier())
 | |
|     Qualifier->print(OS, Policy);
 | |
|   OS << Node->getNameInfo();
 | |
|   if (Node->hasExplicitTemplateArgs())
 | |
|     OS << TemplateSpecializationType::PrintTemplateArgumentList(
 | |
|                                                     Node->getTemplateArgs(),
 | |
|                                                     Node->getNumTemplateArgs(),
 | |
|                                                     Policy);  
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitDependentScopeDeclRefExpr(
 | |
|                                            DependentScopeDeclRefExpr *Node) {
 | |
|   if (NestedNameSpecifier *Qualifier = Node->getQualifier())
 | |
|     Qualifier->print(OS, Policy);
 | |
|   OS << Node->getNameInfo();
 | |
|   if (Node->hasExplicitTemplateArgs())
 | |
|     OS << TemplateSpecializationType::PrintTemplateArgumentList(
 | |
|                                                    Node->getTemplateArgs(),
 | |
|                                                    Node->getNumTemplateArgs(),
 | |
|                                                    Policy);
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *Node) {
 | |
|   if (Node->getQualifier())
 | |
|     Node->getQualifier()->print(OS, Policy);
 | |
|   OS << Node->getNameInfo();
 | |
|   if (Node->hasExplicitTemplateArgs())
 | |
|     OS << TemplateSpecializationType::PrintTemplateArgumentList(
 | |
|                                                    Node->getTemplateArgs(),
 | |
|                                                    Node->getNumTemplateArgs(),
 | |
|                                                    Policy);
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
 | |
|   if (Node->getBase()) {
 | |
|     PrintExpr(Node->getBase());
 | |
|     OS << (Node->isArrow() ? "->" : ".");
 | |
|   }
 | |
|   OS << Node->getDecl();
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
 | |
|   if (Node->isSuperReceiver())
 | |
|     OS << "super.";
 | |
|   else if (Node->getBase()) {
 | |
|     PrintExpr(Node->getBase());
 | |
|     OS << ".";
 | |
|   }
 | |
| 
 | |
|   if (Node->isImplicitProperty())
 | |
|     OS << Node->getImplicitPropertyGetter()->getSelector().getAsString();
 | |
|   else
 | |
|     OS << Node->getExplicitProperty()->getName();
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
 | |
|   switch (Node->getIdentType()) {
 | |
|     default:
 | |
|       assert(0 && "unknown case");
 | |
|     case PredefinedExpr::Func:
 | |
|       OS << "__func__";
 | |
|       break;
 | |
|     case PredefinedExpr::Function:
 | |
|       OS << "__FUNCTION__";
 | |
|       break;
 | |
|     case PredefinedExpr::PrettyFunction:
 | |
|       OS << "__PRETTY_FUNCTION__";
 | |
|       break;
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
 | |
|   unsigned value = Node->getValue();
 | |
|   if (Node->isWide())
 | |
|     OS << "L";
 | |
|   switch (value) {
 | |
|   case '\\':
 | |
|     OS << "'\\\\'";
 | |
|     break;
 | |
|   case '\'':
 | |
|     OS << "'\\''";
 | |
|     break;
 | |
|   case '\a':
 | |
|     // TODO: K&R: the meaning of '\\a' is different in traditional C
 | |
|     OS << "'\\a'";
 | |
|     break;
 | |
|   case '\b':
 | |
|     OS << "'\\b'";
 | |
|     break;
 | |
|   // Nonstandard escape sequence.
 | |
|   /*case '\e':
 | |
|     OS << "'\\e'";
 | |
|     break;*/
 | |
|   case '\f':
 | |
|     OS << "'\\f'";
 | |
|     break;
 | |
|   case '\n':
 | |
|     OS << "'\\n'";
 | |
|     break;
 | |
|   case '\r':
 | |
|     OS << "'\\r'";
 | |
|     break;
 | |
|   case '\t':
 | |
|     OS << "'\\t'";
 | |
|     break;
 | |
|   case '\v':
 | |
|     OS << "'\\v'";
 | |
|     break;
 | |
|   default:
 | |
|     if (value < 256 && isprint(value)) {
 | |
|       OS << "'" << (char)value << "'";
 | |
|     } else if (value < 256) {
 | |
|       OS << "'\\x" << llvm::format("%x", value) << "'";
 | |
|     } else {
 | |
|       // FIXME what to really do here?
 | |
|       OS << value;
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
 | |
|   bool isSigned = Node->getType()->isSignedIntegerType();
 | |
|   OS << Node->getValue().toString(10, isSigned);
 | |
| 
 | |
|   // Emit suffixes.  Integer literals are always a builtin integer type.
 | |
|   switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
 | |
|   default: assert(0 && "Unexpected type for integer literal!");
 | |
|   case BuiltinType::Int:       break; // no suffix.
 | |
|   case BuiltinType::UInt:      OS << 'U'; break;
 | |
|   case BuiltinType::Long:      OS << 'L'; break;
 | |
|   case BuiltinType::ULong:     OS << "UL"; break;
 | |
|   case BuiltinType::LongLong:  OS << "LL"; break;
 | |
|   case BuiltinType::ULongLong: OS << "ULL"; break;
 | |
|   }
 | |
| }
 | |
| void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
 | |
|   // FIXME: print value more precisely.
 | |
|   OS << Node->getValueAsApproximateDouble();
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {
 | |
|   PrintExpr(Node->getSubExpr());
 | |
|   OS << "i";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
 | |
|   if (Str->isWide()) OS << 'L';
 | |
|   OS << '"';
 | |
| 
 | |
|   // FIXME: this doesn't print wstrings right.
 | |
|   llvm::StringRef StrData = Str->getString();
 | |
|   for (llvm::StringRef::iterator I = StrData.begin(), E = StrData.end(); 
 | |
|                                                              I != E; ++I) {
 | |
|     unsigned char Char = *I;
 | |
| 
 | |
|     switch (Char) {
 | |
|     default:
 | |
|       if (isprint(Char))
 | |
|         OS << (char)Char;
 | |
|       else  // Output anything hard as an octal escape.
 | |
|         OS << '\\'
 | |
|         << (char)('0'+ ((Char >> 6) & 7))
 | |
|         << (char)('0'+ ((Char >> 3) & 7))
 | |
|         << (char)('0'+ ((Char >> 0) & 7));
 | |
|       break;
 | |
|     // Handle some common non-printable cases to make dumps prettier.
 | |
|     case '\\': OS << "\\\\"; break;
 | |
|     case '"': OS << "\\\""; break;
 | |
|     case '\n': OS << "\\n"; break;
 | |
|     case '\t': OS << "\\t"; break;
 | |
|     case '\a': OS << "\\a"; break;
 | |
|     case '\b': OS << "\\b"; break;
 | |
|     }
 | |
|   }
 | |
|   OS << '"';
 | |
| }
 | |
| void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
 | |
|   OS << "(";
 | |
|   PrintExpr(Node->getSubExpr());
 | |
|   OS << ")";
 | |
| }
 | |
| void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
 | |
|   if (!Node->isPostfix()) {
 | |
|     OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
 | |
| 
 | |
|     // Print a space if this is an "identifier operator" like __real, or if
 | |
|     // it might be concatenated incorrectly like '+'.
 | |
|     switch (Node->getOpcode()) {
 | |
|     default: break;
 | |
|     case UO_Real:
 | |
|     case UO_Imag:
 | |
|     case UO_Extension:
 | |
|       OS << ' ';
 | |
|       break;
 | |
|     case UO_Plus:
 | |
|     case UO_Minus:
 | |
|       if (isa<UnaryOperator>(Node->getSubExpr()))
 | |
|         OS << ' ';
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
|   PrintExpr(Node->getSubExpr());
 | |
| 
 | |
|   if (Node->isPostfix())
 | |
|     OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitOffsetOfExpr(OffsetOfExpr *Node) {
 | |
|   OS << "__builtin_offsetof(";
 | |
|   OS << Node->getTypeSourceInfo()->getType().getAsString(Policy) << ", ";
 | |
|   bool PrintedSomething = false;
 | |
|   for (unsigned i = 0, n = Node->getNumComponents(); i < n; ++i) {
 | |
|     OffsetOfExpr::OffsetOfNode ON = Node->getComponent(i);
 | |
|     if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Array) {
 | |
|       // Array node
 | |
|       OS << "[";
 | |
|       PrintExpr(Node->getIndexExpr(ON.getArrayExprIndex()));
 | |
|       OS << "]";
 | |
|       PrintedSomething = true;
 | |
|       continue;
 | |
|     }
 | |
| 
 | |
|     // Skip implicit base indirections.
 | |
|     if (ON.getKind() == OffsetOfExpr::OffsetOfNode::Base)
 | |
|       continue;
 | |
| 
 | |
|     // Field or identifier node.
 | |
|     IdentifierInfo *Id = ON.getFieldName();
 | |
|     if (!Id)
 | |
|       continue;
 | |
|     
 | |
|     if (PrintedSomething)
 | |
|       OS << ".";
 | |
|     else
 | |
|       PrintedSomething = true;
 | |
|     OS << Id->getName();    
 | |
|   }
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitUnaryExprOrTypeTraitExpr(UnaryExprOrTypeTraitExpr *Node){
 | |
|   switch(Node->getKind()) {
 | |
|   case UETT_SizeOf:
 | |
|     OS << "sizeof";
 | |
|     break;
 | |
|   case UETT_AlignOf:
 | |
|     OS << "__alignof";
 | |
|     break;
 | |
|   case UETT_VecStep:
 | |
|     OS << "vec_step";
 | |
|     break;
 | |
|   }
 | |
|   if (Node->isArgumentType())
 | |
|     OS << "(" << Node->getArgumentType().getAsString(Policy) << ")";
 | |
|   else {
 | |
|     OS << " ";
 | |
|     PrintExpr(Node->getArgumentExpr());
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitGenericSelectionExpr(GenericSelectionExpr *Node) {
 | |
|   OS << "_Generic(";
 | |
|   PrintExpr(Node->getControllingExpr());
 | |
|   for (unsigned i = 0; i != Node->getNumAssocs(); ++i) {
 | |
|     OS << ", ";
 | |
|     QualType T = Node->getAssocType(i);
 | |
|     if (T.isNull())
 | |
|       OS << "default";
 | |
|     else
 | |
|       OS << T.getAsString(Policy);
 | |
|     OS << ": ";
 | |
|     PrintExpr(Node->getAssocExpr(i));
 | |
|   }
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitArraySubscriptExpr(ArraySubscriptExpr *Node) {
 | |
|   PrintExpr(Node->getLHS());
 | |
|   OS << "[";
 | |
|   PrintExpr(Node->getRHS());
 | |
|   OS << "]";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::PrintCallArgs(CallExpr *Call) {
 | |
|   for (unsigned i = 0, e = Call->getNumArgs(); i != e; ++i) {
 | |
|     if (isa<CXXDefaultArgExpr>(Call->getArg(i))) {
 | |
|       // Don't print any defaulted arguments
 | |
|       break;
 | |
|     }
 | |
| 
 | |
|     if (i) OS << ", ";
 | |
|     PrintExpr(Call->getArg(i));
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCallExpr(CallExpr *Call) {
 | |
|   PrintExpr(Call->getCallee());
 | |
|   OS << "(";
 | |
|   PrintCallArgs(Call);
 | |
|   OS << ")";
 | |
| }
 | |
| void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
 | |
|   // FIXME: Suppress printing implicit bases (like "this")
 | |
|   PrintExpr(Node->getBase());
 | |
|   if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
 | |
|     if (FD->isAnonymousStructOrUnion())
 | |
|       return;
 | |
|   OS << (Node->isArrow() ? "->" : ".");
 | |
|   if (NestedNameSpecifier *Qualifier = Node->getQualifier())
 | |
|     Qualifier->print(OS, Policy);
 | |
| 
 | |
|   OS << Node->getMemberNameInfo();
 | |
| 
 | |
|   if (Node->hasExplicitTemplateArgs())
 | |
|     OS << TemplateSpecializationType::PrintTemplateArgumentList(
 | |
|                                                     Node->getTemplateArgs(),
 | |
|                                                     Node->getNumTemplateArgs(),
 | |
|                                                                 Policy);
 | |
| }
 | |
| void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
 | |
|   PrintExpr(Node->getBase());
 | |
|   OS << (Node->isArrow() ? "->isa" : ".isa");
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
 | |
|   PrintExpr(Node->getBase());
 | |
|   OS << ".";
 | |
|   OS << Node->getAccessor().getName();
 | |
| }
 | |
| void StmtPrinter::VisitCStyleCastExpr(CStyleCastExpr *Node) {
 | |
|   OS << "(" << Node->getType().getAsString(Policy) << ")";
 | |
|   PrintExpr(Node->getSubExpr());
 | |
| }
 | |
| void StmtPrinter::VisitCompoundLiteralExpr(CompoundLiteralExpr *Node) {
 | |
|   OS << "(" << Node->getType().getAsString(Policy) << ")";
 | |
|   PrintExpr(Node->getInitializer());
 | |
| }
 | |
| void StmtPrinter::VisitImplicitCastExpr(ImplicitCastExpr *Node) {
 | |
|   // No need to print anything, simply forward to the sub expression.
 | |
|   PrintExpr(Node->getSubExpr());
 | |
| }
 | |
| void StmtPrinter::VisitBinaryOperator(BinaryOperator *Node) {
 | |
|   PrintExpr(Node->getLHS());
 | |
|   OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
 | |
|   PrintExpr(Node->getRHS());
 | |
| }
 | |
| void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
 | |
|   PrintExpr(Node->getLHS());
 | |
|   OS << " " << BinaryOperator::getOpcodeStr(Node->getOpcode()) << " ";
 | |
|   PrintExpr(Node->getRHS());
 | |
| }
 | |
| void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
 | |
|   PrintExpr(Node->getCond());
 | |
|   OS << " ? ";
 | |
|   PrintExpr(Node->getLHS());
 | |
|   OS << " : ";
 | |
|   PrintExpr(Node->getRHS());
 | |
| }
 | |
| 
 | |
| // GNU extensions.
 | |
| 
 | |
| void
 | |
| StmtPrinter::VisitBinaryConditionalOperator(BinaryConditionalOperator *Node) {
 | |
|   PrintExpr(Node->getCommon());
 | |
|   OS << " ?: ";
 | |
|   PrintExpr(Node->getFalseExpr());
 | |
| }
 | |
| void StmtPrinter::VisitAddrLabelExpr(AddrLabelExpr *Node) {
 | |
|   OS << "&&" << Node->getLabel()->getName();
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitStmtExpr(StmtExpr *E) {
 | |
|   OS << "(";
 | |
|   PrintRawCompoundStmt(E->getSubStmt());
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitChooseExpr(ChooseExpr *Node) {
 | |
|   OS << "__builtin_choose_expr(";
 | |
|   PrintExpr(Node->getCond());
 | |
|   OS << ", ";
 | |
|   PrintExpr(Node->getLHS());
 | |
|   OS << ", ";
 | |
|   PrintExpr(Node->getRHS());
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitGNUNullExpr(GNUNullExpr *) {
 | |
|   OS << "__null";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitShuffleVectorExpr(ShuffleVectorExpr *Node) {
 | |
|   OS << "__builtin_shufflevector(";
 | |
|   for (unsigned i = 0, e = Node->getNumSubExprs(); i != e; ++i) {
 | |
|     if (i) OS << ", ";
 | |
|     PrintExpr(Node->getExpr(i));
 | |
|   }
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
 | |
|   if (Node->getSyntacticForm()) {
 | |
|     Visit(Node->getSyntacticForm());
 | |
|     return;
 | |
|   }
 | |
| 
 | |
|   OS << "{ ";
 | |
|   for (unsigned i = 0, e = Node->getNumInits(); i != e; ++i) {
 | |
|     if (i) OS << ", ";
 | |
|     if (Node->getInit(i))
 | |
|       PrintExpr(Node->getInit(i));
 | |
|     else
 | |
|       OS << "0";
 | |
|   }
 | |
|   OS << " }";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
 | |
|   OS << "( ";
 | |
|   for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
 | |
|     if (i) OS << ", ";
 | |
|     PrintExpr(Node->getExpr(i));
 | |
|   }
 | |
|   OS << " )";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
 | |
|   for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(),
 | |
|                       DEnd = Node->designators_end();
 | |
|        D != DEnd; ++D) {
 | |
|     if (D->isFieldDesignator()) {
 | |
|       if (D->getDotLoc().isInvalid())
 | |
|         OS << D->getFieldName()->getName() << ":";
 | |
|       else
 | |
|         OS << "." << D->getFieldName()->getName();
 | |
|     } else {
 | |
|       OS << "[";
 | |
|       if (D->isArrayDesignator()) {
 | |
|         PrintExpr(Node->getArrayIndex(*D));
 | |
|       } else {
 | |
|         PrintExpr(Node->getArrayRangeStart(*D));
 | |
|         OS << " ... ";
 | |
|         PrintExpr(Node->getArrayRangeEnd(*D));
 | |
|       }
 | |
|       OS << "]";
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   OS << " = ";
 | |
|   PrintExpr(Node->getInit());
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitImplicitValueInitExpr(ImplicitValueInitExpr *Node) {
 | |
|   if (Policy.LangOpts.CPlusPlus)
 | |
|     OS << "/*implicit*/" << Node->getType().getAsString(Policy) << "()";
 | |
|   else {
 | |
|     OS << "/*implicit*/(" << Node->getType().getAsString(Policy) << ")";
 | |
|     if (Node->getType()->isRecordType())
 | |
|       OS << "{}";
 | |
|     else
 | |
|       OS << 0;
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitVAArgExpr(VAArgExpr *Node) {
 | |
|   OS << "__builtin_va_arg(";
 | |
|   PrintExpr(Node->getSubExpr());
 | |
|   OS << ", ";
 | |
|   OS << Node->getType().getAsString(Policy);
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| // C++
 | |
| void StmtPrinter::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *Node) {
 | |
|   const char *OpStrings[NUM_OVERLOADED_OPERATORS] = {
 | |
|     "",
 | |
| #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
 | |
|     Spelling,
 | |
| #include "clang/Basic/OperatorKinds.def"
 | |
|   };
 | |
| 
 | |
|   OverloadedOperatorKind Kind = Node->getOperator();
 | |
|   if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
 | |
|     if (Node->getNumArgs() == 1) {
 | |
|       OS << OpStrings[Kind] << ' ';
 | |
|       PrintExpr(Node->getArg(0));
 | |
|     } else {
 | |
|       PrintExpr(Node->getArg(0));
 | |
|       OS << ' ' << OpStrings[Kind];
 | |
|     }
 | |
|   } else if (Kind == OO_Call) {
 | |
|     PrintExpr(Node->getArg(0));
 | |
|     OS << '(';
 | |
|     for (unsigned ArgIdx = 1; ArgIdx < Node->getNumArgs(); ++ArgIdx) {
 | |
|       if (ArgIdx > 1)
 | |
|         OS << ", ";
 | |
|       if (!isa<CXXDefaultArgExpr>(Node->getArg(ArgIdx)))
 | |
|         PrintExpr(Node->getArg(ArgIdx));
 | |
|     }
 | |
|     OS << ')';
 | |
|   } else if (Kind == OO_Subscript) {
 | |
|     PrintExpr(Node->getArg(0));
 | |
|     OS << '[';
 | |
|     PrintExpr(Node->getArg(1));
 | |
|     OS << ']';
 | |
|   } else if (Node->getNumArgs() == 1) {
 | |
|     OS << OpStrings[Kind] << ' ';
 | |
|     PrintExpr(Node->getArg(0));
 | |
|   } else if (Node->getNumArgs() == 2) {
 | |
|     PrintExpr(Node->getArg(0));
 | |
|     OS << ' ' << OpStrings[Kind] << ' ';
 | |
|     PrintExpr(Node->getArg(1));
 | |
|   } else {
 | |
|     assert(false && "unknown overloaded operator");
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXMemberCallExpr(CXXMemberCallExpr *Node) {
 | |
|   VisitCallExpr(cast<CallExpr>(Node));
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCUDAKernelCallExpr(CUDAKernelCallExpr *Node) {
 | |
|   PrintExpr(Node->getCallee());
 | |
|   OS << "<<<";
 | |
|   PrintCallArgs(Node->getConfig());
 | |
|   OS << ">>>(";
 | |
|   PrintCallArgs(Node);
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
 | |
|   OS << Node->getCastName() << '<';
 | |
|   OS << Node->getTypeAsWritten().getAsString(Policy) << ">(";
 | |
|   PrintExpr(Node->getSubExpr());
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXStaticCastExpr(CXXStaticCastExpr *Node) {
 | |
|   VisitCXXNamedCastExpr(Node);
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *Node) {
 | |
|   VisitCXXNamedCastExpr(Node);
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *Node) {
 | |
|   VisitCXXNamedCastExpr(Node);
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXConstCastExpr(CXXConstCastExpr *Node) {
 | |
|   VisitCXXNamedCastExpr(Node);
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXTypeidExpr(CXXTypeidExpr *Node) {
 | |
|   OS << "typeid(";
 | |
|   if (Node->isTypeOperand()) {
 | |
|     OS << Node->getTypeOperand().getAsString(Policy);
 | |
|   } else {
 | |
|     PrintExpr(Node->getExprOperand());
 | |
|   }
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXUuidofExpr(CXXUuidofExpr *Node) {
 | |
|   OS << "__uuidof(";
 | |
|   if (Node->isTypeOperand()) {
 | |
|     OS << Node->getTypeOperand().getAsString(Policy);
 | |
|   } else {
 | |
|     PrintExpr(Node->getExprOperand());
 | |
|   }
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
 | |
|   OS << (Node->getValue() ? "true" : "false");
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *Node) {
 | |
|   OS << "nullptr";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXThisExpr(CXXThisExpr *Node) {
 | |
|   OS << "this";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXThrowExpr(CXXThrowExpr *Node) {
 | |
|   if (Node->getSubExpr() == 0)
 | |
|     OS << "throw";
 | |
|   else {
 | |
|     OS << "throw ";
 | |
|     PrintExpr(Node->getSubExpr());
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *Node) {
 | |
|   // Nothing to print: we picked up the default argument
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
 | |
|   OS << Node->getType().getAsString(Policy);
 | |
|   OS << "(";
 | |
|   PrintExpr(Node->getSubExpr());
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
 | |
|   PrintExpr(Node->getSubExpr());
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
 | |
|   OS << Node->getType().getAsString(Policy);
 | |
|   OS << "(";
 | |
|   for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
 | |
|                                          ArgEnd = Node->arg_end();
 | |
|        Arg != ArgEnd; ++Arg) {
 | |
|     if (Arg != Node->arg_begin())
 | |
|       OS << ", ";
 | |
|     PrintExpr(*Arg);
 | |
|   }
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *Node) {
 | |
|   if (TypeSourceInfo *TSInfo = Node->getTypeSourceInfo())
 | |
|     OS << TSInfo->getType().getAsString(Policy) << "()";
 | |
|   else
 | |
|     OS << Node->getType().getAsString(Policy) << "()";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXNewExpr(CXXNewExpr *E) {
 | |
|   if (E->isGlobalNew())
 | |
|     OS << "::";
 | |
|   OS << "new ";
 | |
|   unsigned NumPlace = E->getNumPlacementArgs();
 | |
|   if (NumPlace > 0) {
 | |
|     OS << "(";
 | |
|     PrintExpr(E->getPlacementArg(0));
 | |
|     for (unsigned i = 1; i < NumPlace; ++i) {
 | |
|       OS << ", ";
 | |
|       PrintExpr(E->getPlacementArg(i));
 | |
|     }
 | |
|     OS << ") ";
 | |
|   }
 | |
|   if (E->isParenTypeId())
 | |
|     OS << "(";
 | |
|   std::string TypeS;
 | |
|   if (Expr *Size = E->getArraySize()) {
 | |
|     llvm::raw_string_ostream s(TypeS);
 | |
|     Size->printPretty(s, Context, Helper, Policy);
 | |
|     s.flush();
 | |
|     TypeS = "[" + TypeS + "]";
 | |
|   }
 | |
|   E->getAllocatedType().getAsStringInternal(TypeS, Policy);
 | |
|   OS << TypeS;
 | |
|   if (E->isParenTypeId())
 | |
|     OS << ")";
 | |
| 
 | |
|   if (E->hasInitializer()) {
 | |
|     OS << "(";
 | |
|     unsigned NumCons = E->getNumConstructorArgs();
 | |
|     if (NumCons > 0) {
 | |
|       PrintExpr(E->getConstructorArg(0));
 | |
|       for (unsigned i = 1; i < NumCons; ++i) {
 | |
|         OS << ", ";
 | |
|         PrintExpr(E->getConstructorArg(i));
 | |
|       }
 | |
|     }
 | |
|     OS << ")";
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
 | |
|   if (E->isGlobalDelete())
 | |
|     OS << "::";
 | |
|   OS << "delete ";
 | |
|   if (E->isArrayForm())
 | |
|     OS << "[] ";
 | |
|   PrintExpr(E->getArgument());
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
 | |
|   PrintExpr(E->getBase());
 | |
|   if (E->isArrow())
 | |
|     OS << "->";
 | |
|   else
 | |
|     OS << '.';
 | |
|   if (E->getQualifier())
 | |
|     E->getQualifier()->print(OS, Policy);
 | |
| 
 | |
|   std::string TypeS;
 | |
|   if (IdentifierInfo *II = E->getDestroyedTypeIdentifier())
 | |
|     OS << II->getName();
 | |
|   else
 | |
|     E->getDestroyedType().getAsStringInternal(TypeS, Policy);
 | |
|   OS << TypeS;
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXConstructExpr(CXXConstructExpr *E) {
 | |
|   for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) {
 | |
|     if (isa<CXXDefaultArgExpr>(E->getArg(i))) {
 | |
|       // Don't print any defaulted arguments
 | |
|       break;
 | |
|     }
 | |
| 
 | |
|     if (i) OS << ", ";
 | |
|     PrintExpr(E->getArg(i));
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitExprWithCleanups(ExprWithCleanups *E) {
 | |
|   // Just forward to the sub expression.
 | |
|   PrintExpr(E->getSubExpr());
 | |
| }
 | |
| 
 | |
| void
 | |
| StmtPrinter::VisitCXXUnresolvedConstructExpr(
 | |
|                                            CXXUnresolvedConstructExpr *Node) {
 | |
|   OS << Node->getTypeAsWritten().getAsString(Policy);
 | |
|   OS << "(";
 | |
|   for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
 | |
|                                              ArgEnd = Node->arg_end();
 | |
|        Arg != ArgEnd; ++Arg) {
 | |
|     if (Arg != Node->arg_begin())
 | |
|       OS << ", ";
 | |
|     PrintExpr(*Arg);
 | |
|   }
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXDependentScopeMemberExpr(
 | |
|                                          CXXDependentScopeMemberExpr *Node) {
 | |
|   if (!Node->isImplicitAccess()) {
 | |
|     PrintExpr(Node->getBase());
 | |
|     OS << (Node->isArrow() ? "->" : ".");
 | |
|   }
 | |
|   if (NestedNameSpecifier *Qualifier = Node->getQualifier())
 | |
|     Qualifier->print(OS, Policy);
 | |
|   else if (Node->hasExplicitTemplateArgs())
 | |
|     // FIXME: Track use of "template" keyword explicitly?
 | |
|     OS << "template ";
 | |
| 
 | |
|   OS << Node->getMemberNameInfo();
 | |
| 
 | |
|   if (Node->hasExplicitTemplateArgs()) {
 | |
|     OS << TemplateSpecializationType::PrintTemplateArgumentList(
 | |
|                                                     Node->getTemplateArgs(),
 | |
|                                                     Node->getNumTemplateArgs(),
 | |
|                                                     Policy);
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *Node) {
 | |
|   if (!Node->isImplicitAccess()) {
 | |
|     PrintExpr(Node->getBase());
 | |
|     OS << (Node->isArrow() ? "->" : ".");
 | |
|   }
 | |
|   if (NestedNameSpecifier *Qualifier = Node->getQualifier())
 | |
|     Qualifier->print(OS, Policy);
 | |
| 
 | |
|   // FIXME: this might originally have been written with 'template'
 | |
| 
 | |
|   OS << Node->getMemberNameInfo();
 | |
| 
 | |
|   if (Node->hasExplicitTemplateArgs()) {
 | |
|     OS << TemplateSpecializationType::PrintTemplateArgumentList(
 | |
|                                                     Node->getTemplateArgs(),
 | |
|                                                     Node->getNumTemplateArgs(),
 | |
|                                                     Policy);
 | |
|   }
 | |
| }
 | |
| 
 | |
| static const char *getTypeTraitName(UnaryTypeTrait UTT) {
 | |
|   switch (UTT) {
 | |
|   default: llvm_unreachable("Unknown unary type trait");
 | |
|   case UTT_HasNothrowAssign:      return "__has_nothrow_assign";
 | |
|   case UTT_HasNothrowCopy:        return "__has_nothrow_copy";
 | |
|   case UTT_HasNothrowConstructor: return "__has_nothrow_constructor";
 | |
|   case UTT_HasTrivialAssign:      return "__has_trivial_assign";
 | |
|   case UTT_HasTrivialCopy:        return "__has_trivial_copy";
 | |
|   case UTT_HasTrivialConstructor: return "__has_trivial_constructor";
 | |
|   case UTT_HasTrivialDestructor:  return "__has_trivial_destructor";
 | |
|   case UTT_HasVirtualDestructor:  return "__has_virtual_destructor";
 | |
|   case UTT_IsAbstract:            return "__is_abstract";
 | |
|   case UTT_IsClass:               return "__is_class";
 | |
|   case UTT_IsEmpty:               return "__is_empty";
 | |
|   case UTT_IsEnum:                return "__is_enum";
 | |
|   case UTT_IsPOD:                 return "__is_pod";
 | |
|   case UTT_IsPolymorphic:         return "__is_polymorphic";
 | |
|   case UTT_IsTrivial:             return "__is_trivial";
 | |
|   case UTT_IsUnion:               return "__is_union";
 | |
|   }
 | |
|   return "";
 | |
| }
 | |
| 
 | |
| static const char *getTypeTraitName(BinaryTypeTrait BTT) {
 | |
|   switch (BTT) {
 | |
|   case BTT_IsBaseOf:         return "__is_base_of";
 | |
|   case BTT_TypeCompatible:   return "__builtin_types_compatible_p";
 | |
|   case BTT_IsConvertibleTo:  return "__is_convertible_to";
 | |
|   }
 | |
|   return "";
 | |
| }
 | |
| 
 | |
| static const char *getExpressionTraitName(ExpressionTrait ET) {
 | |
|   switch (ET) {
 | |
|   default: llvm_unreachable("Unknown expression trait");
 | |
|   case ET_IsLValueExpr:      return "__is_lvalue_expr";
 | |
|   case ET_IsRValueExpr:      return "__is_rvalue_expr";
 | |
|   }
 | |
|   return "";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
 | |
|   OS << getTypeTraitName(E->getTrait()) << "("
 | |
|      << E->getQueriedType().getAsString(Policy) << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E) {
 | |
|   OS << getTypeTraitName(E->getTrait()) << "("
 | |
|      << E->getLhsType().getAsString(Policy) << ","
 | |
|      << E->getRhsType().getAsString(Policy) << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
 | |
|     OS << getExpressionTraitName(E->getTrait()) << "(";
 | |
|     PrintExpr(E->getQueriedExpression());
 | |
|     OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitCXXNoexceptExpr(CXXNoexceptExpr *E) {
 | |
|   OS << "noexcept(";
 | |
|   PrintExpr(E->getOperand());
 | |
|   OS << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitPackExpansionExpr(PackExpansionExpr *E) {
 | |
|   PrintExpr(E->getPattern());
 | |
|   OS << "...";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
 | |
|   OS << "sizeof...(" << E->getPack()->getNameAsString() << ")";
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitSubstNonTypeTemplateParmPackExpr(
 | |
|                                        SubstNonTypeTemplateParmPackExpr *Node) {
 | |
|   OS << Node->getParameterPack()->getNameAsString();
 | |
| }
 | |
| 
 | |
| // Obj-C
 | |
| 
 | |
| void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
 | |
|   OS << "@";
 | |
|   VisitStringLiteral(Node->getString());
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
 | |
|   OS << "@encode(" << Node->getEncodedType().getAsString(Policy) << ')';
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
 | |
|   OS << "@selector(" << Node->getSelector().getAsString() << ')';
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
 | |
|   OS << "@protocol(" << Node->getProtocol() << ')';
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
 | |
|   OS << "[";
 | |
|   switch (Mess->getReceiverKind()) {
 | |
|   case ObjCMessageExpr::Instance:
 | |
|     PrintExpr(Mess->getInstanceReceiver());
 | |
|     break;
 | |
| 
 | |
|   case ObjCMessageExpr::Class:
 | |
|     OS << Mess->getClassReceiver().getAsString(Policy);
 | |
|     break;
 | |
| 
 | |
|   case ObjCMessageExpr::SuperInstance:
 | |
|   case ObjCMessageExpr::SuperClass:
 | |
|     OS << "Super";
 | |
|     break;
 | |
|   }
 | |
| 
 | |
|   OS << ' ';
 | |
|   Selector selector = Mess->getSelector();
 | |
|   if (selector.isUnarySelector()) {
 | |
|     OS << selector.getNameForSlot(0);
 | |
|   } else {
 | |
|     for (unsigned i = 0, e = Mess->getNumArgs(); i != e; ++i) {
 | |
|       if (i < selector.getNumArgs()) {
 | |
|         if (i > 0) OS << ' ';
 | |
|         if (selector.getIdentifierInfoForSlot(i))
 | |
|           OS << selector.getIdentifierInfoForSlot(i)->getName() << ':';
 | |
|         else
 | |
|            OS << ":";
 | |
|       }
 | |
|       else OS << ", "; // Handle variadic methods.
 | |
| 
 | |
|       PrintExpr(Mess->getArg(i));
 | |
|     }
 | |
|   }
 | |
|   OS << "]";
 | |
| }
 | |
| 
 | |
| 
 | |
| void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
 | |
|   BlockDecl *BD = Node->getBlockDecl();
 | |
|   OS << "^";
 | |
| 
 | |
|   const FunctionType *AFT = Node->getFunctionType();
 | |
| 
 | |
|   if (isa<FunctionNoProtoType>(AFT)) {
 | |
|     OS << "()";
 | |
|   } else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
 | |
|     OS << '(';
 | |
|     std::string ParamStr;
 | |
|     for (BlockDecl::param_iterator AI = BD->param_begin(),
 | |
|          E = BD->param_end(); AI != E; ++AI) {
 | |
|       if (AI != BD->param_begin()) OS << ", ";
 | |
|       ParamStr = (*AI)->getNameAsString();
 | |
|       (*AI)->getType().getAsStringInternal(ParamStr, Policy);
 | |
|       OS << ParamStr;
 | |
|     }
 | |
| 
 | |
|     const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
 | |
|     if (FT->isVariadic()) {
 | |
|       if (!BD->param_empty()) OS << ", ";
 | |
|       OS << "...";
 | |
|     }
 | |
|     OS << ')';
 | |
|   }
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitBlockDeclRefExpr(BlockDeclRefExpr *Node) {
 | |
|   OS << Node->getDecl();
 | |
| }
 | |
| 
 | |
| void StmtPrinter::VisitOpaqueValueExpr(OpaqueValueExpr *Node) {}
 | |
| 
 | |
| //===----------------------------------------------------------------------===//
 | |
| // Stmt method implementations
 | |
| //===----------------------------------------------------------------------===//
 | |
| 
 | |
| void Stmt::dumpPretty(ASTContext& Context) const {
 | |
|   printPretty(llvm::errs(), Context, 0,
 | |
|               PrintingPolicy(Context.getLangOptions()));
 | |
| }
 | |
| 
 | |
| void Stmt::printPretty(llvm::raw_ostream &OS, ASTContext& Context,
 | |
|                        PrinterHelper* Helper,
 | |
|                        const PrintingPolicy &Policy,
 | |
|                        unsigned Indentation) const {
 | |
|   if (this == 0) {
 | |
|     OS << "<NULL>";
 | |
|     return;
 | |
|   }
 | |
| 
 | |
|   if (Policy.Dump && &Context) {
 | |
|     dump(OS, Context.getSourceManager());
 | |
|     return;
 | |
|   }
 | |
| 
 | |
|   StmtPrinter P(OS, Context, Helper, Policy, Indentation);
 | |
|   P.Visit(const_cast<Stmt*>(this));
 | |
| }
 | |
| 
 | |
| //===----------------------------------------------------------------------===//
 | |
| // PrinterHelper
 | |
| //===----------------------------------------------------------------------===//
 | |
| 
 | |
| // Implement virtual destructor.
 | |
| PrinterHelper::~PrinterHelper() {}
 |