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Add ASTNode.dump() methods #22686

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Merged
merged 1 commit into from
Feb 18, 2019
Merged

Add ASTNode.dump() methods #22686

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9 changes: 9 additions & 0 deletions include/swift/AST/ASTNode.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,10 @@
#include "llvm/ADT/PointerUnion.h"
#include "swift/AST/TypeAlignments.h"

namespace llvm {
class raw_ostream;
}

namespace swift {
class Expr;
class Stmt;
Expand Down Expand Up @@ -57,6 +61,11 @@ namespace swift {
FUNC(Expr)
FUNC(Decl)
#undef FUNC

LLVM_ATTRIBUTE_DEPRECATED(
void dump() const LLVM_ATTRIBUTE_USED,
"only for use within the debugger");
void dump(llvm::raw_ostream &OS, unsigned Indent = 0) const;

/// Whether the AST node is implicit.
bool isImplicit() const;
Expand Down
15 changes: 15 additions & 0 deletions lib/AST/ASTNode.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,21 @@ void ASTNode::walk(ASTWalker &Walker) {
llvm_unreachable("unsupported AST node");
}

void ASTNode::dump(raw_ostream &OS, unsigned Indent) const {
if (auto S = dyn_cast<Stmt*>())
S->dump(OS, /*context=*/nullptr, Indent);
else if (auto E = dyn_cast<Expr*>())
E->dump(OS, Indent);
else if (auto D = dyn_cast<Decl*>())
D->dump(OS, Indent);
else
OS << "<null>";
}

void ASTNode::dump() const {
dump(llvm::errs());
}

#define FUNC(T) \
bool ASTNode::is##T(T##Kind Kind) const { \
if (!is<T*>()) \
Expand Down