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more minor improvements to pretty printer. 

llvm-svn: 39538
This commit is contained in:
Chris Lattner 2007-05-31 18:21:33 +00:00
parent b4619481e6
commit a076fde1e3
1 changed files with 5 additions and 24 deletions
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29
clang/AST/StmtPrinter.cpp
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@ -20,24 +20,6 @@
using namespace llvm;
using namespace clang;
namespace {
struct VISIBILITY_HIDDEN IsExprStmtVisitor : public StmtVisitor {
bool &Result;
IsExprStmtVisitor(bool &R) : Result(R) { Result = false; }
virtual void VisitExpr(Expr *Node) {
Result = true;
}
};
}
static bool isExpr(Stmt *S) {
bool Val = false;
IsExprStmtVisitor V(Val);
S->visit(V);
return Val;
}
//===----------------------------------------------------------------------===//
// StmtPrinter Visitor
//===----------------------------------------------------------------------===//
@ -51,7 +33,7 @@ namespace {
void PrintStmt(Stmt *S, int SubIndent = 1) {
IndentLevel += SubIndent;
if (S && isExpr(S)) {
if (S && isa<Expr>(S)) {
// If this is an expr used in a stmt context, indent and newline it.
Indent();
S->visit(*this);
@ -151,9 +133,8 @@ void StmtPrinter::VisitLabelStmt(LabelStmt *Node) {
}
void StmtPrinter::VisitIfStmt(IfStmt *If) {
Indent() << "if (";
Indent() << "if ";
PrintExpr(If->getCond());
OS << ')';
if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
OS << ' ';
@ -205,9 +186,9 @@ void StmtPrinter::VisitWhileStmt(WhileStmt *Node) {
void StmtPrinter::VisitDoStmt(DoStmt *Node) {
Indent() << "do\n";
PrintStmt(Node->getBody());
Indent() << "while (";
Indent() << "while ";
PrintExpr(Node->getCond());
OS << ");\n";
OS << ";\n";
}
void StmtPrinter::VisitForStmt(ForStmt *Node) {
@ -310,7 +291,7 @@ void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
OS << "(";
PrintExpr(Node->getSubExpr());
OS << ")'";
OS << ")";
}
void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
if (!Node->isPostfix())