From cfaa3efe43306aa08cbc5ed7b811f4ab365502d4 Mon Sep 17 00:00:00 2001
From: Markus Hauschild <hauschildm@gmx.net>
Date: Sat, 1 Jun 2013 03:33:38 +0200
Subject: [PATCH] Prepare PrintVisitor

---
 CMakeLists.txt           |  1 +
 grammar/grammar.y        |  9 ++---
 inc/AST/ASTVisitor.h     |  1 -
 inc/AST/PrintVisitor.h   | 29 ++++++++++++++++
 src/AST/PrintVisitor.cpp | 73 ++++++++++++++++++++++++++++++++++++++++
 5 files changed, 108 insertions(+), 5 deletions(-)
 create mode 100644 inc/AST/PrintVisitor.h
 create mode 100644 src/AST/PrintVisitor.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b5c9508..a95df99 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,6 +70,7 @@ SET(SCULLY_SOURCE
 	src/AST/FunctionDefinition.cpp
 	src/AST/IfStatement.cpp
 	src/AST/ParameterList.cpp
+	src/AST/PrintVisitor.cpp
 	src/AST/ReturnStatement.cpp
 	src/AST/RandomForStatement.cpp
 	src/AST/RandomIfStatement.cpp
diff --git a/grammar/grammar.y b/grammar/grammar.y
index 2cacfa6..709ba77 100644
--- a/grammar/grammar.y
+++ b/grammar/grammar.y
@@ -18,7 +18,8 @@
 #include "AST/FunctionDefinition.h"
 #include "AST/IfStatement.h"
 #include "AST/ParameterList.h"
-//#include "AST/RandomForStatement.h"
+#include "AST/PrintVisitor.h"
+#include "AST/RandomForStatement.h"
 #include "AST/RandomIfStatement.h"
 #include "AST/ReturnStatement.h"
 #include "AST/Scope.h"
@@ -52,8 +53,8 @@
 }
 
 %type program {int}
-program ::= fundef(F).								{ std::cout << F << std::endl; }
-program ::= expr(E).								{ std::cout << E << std::endl; }
+program ::= fundef(F).								{ PrintVisitor* pv = new PrintVisitor; F->accept(pv); delete pv; }
+program ::= expr(E).								{ PrintVisitor* pv = new PrintVisitor; E->accept(pv); delete pv; }
 
 %type fundef {FunctionDefinition*}
 fundef(A) ::= type(T) T_IDENTIFIER(ID) T_LPAREN params(P) T_RPAREN T_BEGIN statements(S) T_END.
@@ -79,7 +80,7 @@ statement(A) ::= T_RIF T_LPAREN expr(P) T_RPAREN statement(S).
 statement(A) ::= T_FOR T_LPAREN expr(INIT) T_SEMICOLON expr(COND) T_SEMICOLON expr(STEP) T_RPAREN statement(S).
 													{ A = new ForStatement(INIT, COND, STEP, S); }
 statement(A) ::= T_RFOR T_LPAREN expr(INIT) T_SEMICOLON expr(P) T_SEMICOLON expr(STEP) T_RPAREN statement(S).
-													{ A = 0; /* new RandomForStatement(INIT, P, STEP, S); */ }
+													{ A = new RandomForStatement(INIT, P, STEP, S); }
 statement(A) ::= T_RETURN expr(E) T_SEMICOLON.		{ A = new ReturnStatement(E); }
 statement(A) ::= T_BEGIN statements(S) T_END.		{ A = new Scope(S); }
 statement(A) ::= vardef(V) T_SEMICOLON.				{ A = V; }
diff --git a/inc/AST/ASTVisitor.h b/inc/AST/ASTVisitor.h
index 5f716bb..ca9acf9 100644
--- a/inc/AST/ASTVisitor.h
+++ b/inc/AST/ASTVisitor.h
@@ -40,7 +40,6 @@ public:
 	virtual void visit(StatementList* e) = 0;
 	virtual void visit(ValueList* e) = 0;
 	virtual void visit(VariableDefinition* e) = 0;
-
 };
 
 #endif // ASTVISITOR_H
diff --git a/inc/AST/PrintVisitor.h b/inc/AST/PrintVisitor.h
new file mode 100644
index 0000000..c71d862
--- /dev/null
+++ b/inc/AST/PrintVisitor.h
@@ -0,0 +1,29 @@
+#ifndef PRINTVISITOR_H
+#define PRINTVISITOR_H
+
+#include "ASTVisitor.h"
+
+class PrintVisitor : public ASTVisitor {
+public:
+	PrintVisitor();
+	virtual ~PrintVisitor();
+
+ 	virtual void visit(AssignmentExpression* e);
+	virtual void visit(BinOpExpression* e);
+	virtual void visit(ConstantExpression* e);
+	virtual void visit(ExpressionStatement* e);
+	virtual void visit(ForStatement* e);
+	virtual void visit(FunctionCallExpression* e);
+	virtual void visit(FunctionDefinition* e);
+	virtual void visit(IfStatement* e);
+	virtual void visit(ParameterList* e);
+	virtual void visit(RandomForStatement* e);
+	virtual void visit(RandomIfStatement* e);
+	virtual void visit(ReturnStatement* e);
+	virtual void visit(Scope* e);
+	virtual void visit(StatementList* e);
+	virtual void visit(ValueList* e);
+	virtual void visit(VariableDefinition* e);
+};
+
+#endif // PRINTVISITOR_H
diff --git a/src/AST/PrintVisitor.cpp b/src/AST/PrintVisitor.cpp
new file mode 100644
index 0000000..5160146
--- /dev/null
+++ b/src/AST/PrintVisitor.cpp
@@ -0,0 +1,73 @@
+#include "AST/PrintVisitor.h"
+
+PrintVisitor::PrintVisitor() {
+	//
+}
+
+PrintVisitor::~PrintVisitor() {
+	//
+}
+
+void PrintVisitor::visit(AssignmentExpression* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(BinOpExpression* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(ConstantExpression* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(ExpressionStatement* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(ForStatement* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(FunctionCallExpression* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(FunctionDefinition* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(IfStatement* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(ParameterList* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(RandomForStatement* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(RandomIfStatement* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(ReturnStatement* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(Scope* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(StatementList* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(ValueList* e) {
+	// TODO implement
+}
+
+void PrintVisitor::visit(VariableDefinition* e) {
+	// TODO implement
+}