lib/ast/AstDumper.h

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//===-- ast/AstDumper.h --------------------------------------- -*- C++ -*-===//
//
// This file is distributed under the MIT license. See LICENSE.txt for details.
//
// Copyright (C) 2009, Stephen Wilson
//
//===----------------------------------------------------------------------===//

//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//

#ifndef COMMA_AST_ASTDUMPER_HDR_GUARD
#define COMMA_AST_ASTDUMPER_HDR_GUARD

#include "comma/basic/ParameterModes.h"

#include "llvm/Support/raw_ostream.h"

namespace comma {

class Ast;
class Decl;
class Expr;
class RangeAttrib;
class Stmt;
class Type;

class AstDumperBase {

public:
    virtual ~AstDumperBase() { }

    AstDumperBase(llvm::raw_ostream &S) : S(S), indentLevel(0) { }

protected:
    llvm::raw_ostream &S;

    unsigned indentLevel;

    void indent() { indentLevel += 2; }

    void dedent() { indentLevel -= 2; }

    virtual llvm::raw_ostream &printHeader(Ast *node);

    llvm::raw_ostream &printIndentation();

    llvm::raw_ostream &dumpParamMode(PM::ParameterMode mode);
};

class DeclDumper;
class ExprDumper;
class StmtDumper;
class TypeDumper;

class AstDumper : public AstDumperBase {

public:
    AstDumper(llvm::raw_ostream &stream);

    ~AstDumper();

    llvm::raw_ostream &dump(Ast *node, unsigned level = 0);

private:
    DeclDumper *DDumper;
    ExprDumper *EDumper;
    StmtDumper *SDumper;
    TypeDumper *TDumper;

    llvm::raw_ostream &dumpDecl(Decl *node);

    llvm::raw_ostream &dumpExpr(Expr *node);

    llvm::raw_ostream &dumpStmt(Stmt *node);

    llvm::raw_ostream &dumpType(Type *node);

    llvm::raw_ostream &dumpRangeAttrib(RangeAttrib *node);
};

} // end comma namespace.

#endif

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