add: added projectsHEADmain

1 files changed, 96 insertions, 0 deletions

diff --git a/tiger-compiler/src/ast/pretty-printer.hh b/tiger-compiler/src/ast/pretty-printer.hh
new file mode 100644
index 0000000..7532331
--- /dev/null
+++ b/tiger-compiler/src/ast/pretty-printer.hh
@@ -0,0 +1,96 @@
+/**
+ ** \file ast/pretty-printer.hh
+ ** \brief Declaration of ast::PrettyPrinter.
+ */
+
+#pragma once
+
+#include <ast/assert-visitor.hh>
+#include <ast/default-visitor.hh>
+#include <ast/object-visitor.hh>
+
+namespace ast
+{
+  /// Visit an Ast and print the content of each node.
+  class PrettyPrinter
+    : virtual public DefaultConstVisitor
+    , virtual public ObjectConstVisitor
+    , virtual public AssertConstVisitor
+  {
+  public:
+    using super_type = DefaultConstVisitor;
+    // Import overloaded virtual functions.
+    using super_type::operator();
+
+    /// Build to print on \a ostr.
+    PrettyPrinter(std::ostream& ostr);
+
+    /// Visit methods.
+    /// \{
+    void operator()(const SimpleVar& e) override;
+    void operator()(const FieldVar& e) override;
+    void operator()(const SubscriptVar& e) override;
+    void operator()(const CastExp& e) override;
+    // FIXME DONE: Some code was deleted here.
+    void operator()(const NilExp& e) override;
+    void operator()(const IntExp& e) override;
+    void operator()(const StringExp& e) override;
+    void operator()(const ObjectExp& e) override;
+    void operator()(const CallExp& e) override;
+    void operator()(const MethodCallExp& e) override;
+    void operator()(const OpExp& e) override;
+    void operator()(const RecordExp& e) override;
+    void operator()(const SeqExp& e) override;
+    void operator()(const AssignExp& e) override;
+    void operator()(const IfExp& e) override;
+    void operator()(const WhileExp& e) override;
+    void operator()(const ForExp& e) override;
+    void operator()(const BreakExp&) override;
+    void operator()(const LetExp& e) override;
+    void operator()(const ArrayExp& e) override;
+    void operator()(const FieldInit& e) override;
+    /// \}
+
+    /// Visit Var declarations.
+    void operator()(const VarChunk& e) override;
+    void operator()(const VarDec& e) override;
+
+    /// Visit Function declarations.
+    void operator()(const FunctionChunk& e) override;
+    void operator()(const FunctionDec& e) override;
+    void operator()(const MethodChunk& e) override;
+    void operator()(const MethodDec& e) override;
+
+    /// Visit Type declarations.
+    void operator()(const TypeChunk& e) override;
+    void operator()(const TypeDec& e) override;
+
+    /** \} */
+
+    /** \name Visit Type related nodes.
+     ** \{ */
+    void operator()(const NameTy& e) override;
+    void operator()(const RecordTy& e) override;
+    void operator()(const ArrayTy& e) override;
+    void operator()(const ClassTy& e) override;
+    /** \} */
+
+    /** \name Visit Field related nodes. */
+    void operator()(const Field& e) override;
+
+    /** \name Visit Assertion nodes. */
+    void operator()(const AssertExp& e) override;
+
+  private:
+    // Factor pretty-printing of RecordExp and RecordTy.
+    template <typename RecordClass> void print_record(const RecordClass& e);
+
+    // Whether we are in a ast::ClassTy.
+    bool within_classty_p_ = false;
+
+  protected:
+    /// The stream to print on.
+    std::ostream& ostr_;
+  };
+
+} // namespace ast