m3 is copied into trunk, we should be good to go, now.

1 files changed, 98 insertions, 0 deletions

diff --git a/src/ast.cpp b/src/ast.cpp
new file mode 100644
index 0000000..03ed4b6
--- /dev/null
+++ b/src/ast.cpp
@@ -0,0 +1,98 @@
+#include "ast.h"
+
+#include "astleaf.h"
+#include "astbranch.h"
+
+Ast::Ast()
+{
+}
+
+Ast::~Ast()
+{
+}
+
+void Ast::addNode( AstNode::Type eType )
+{
+        switch( eType&AstNode::typeClassMask )
+        {
+                case AstNode::typeBranch:
+                        {
+                                AstBranch *pNode = new AstBranch( eType );
+                                addNode( pNode );
+                                sBranch.push( pNode );
+                        }
+                        break;
+
+                case AstNode::typeLeaf:
+                        {
+                                AstLeaf *pNode = new AstLeaf( eType );
+                                addNode( pNode );
+                        }
+                        break;
+
+                default:
+                        throw Bu::ExceptionBase("You got it wrong.");
+                        break;
+        }
+}
+
+void Ast::addNode( AstNode::Type eType, int iVal )
+{
+        addNode( new AstLeaf( eType, iVal ) );
+}
+
+void Ast::addNode( AstNode::Type eType, float fVal )
+{
+        addNode( new AstLeaf( eType, fVal ) );
+}
+
+void Ast::addNode( AstNode::Type eType, bool bVal )
+{
+        addNode( new AstLeaf( eType, bVal ) );
+}
+
+void Ast::addNode( AstNode::Type eType, const Bu::FString &sVal )
+{
+        addNode( new AstLeaf( eType, sVal ) );
+}
+
+void Ast::addNode( AstNode::Type eType, const char *sVal )
+{
+        addNode( new AstLeaf( eType, sVal ) );
+}
+
+void Ast::addNode( AstNode *pNode )
+{
+        if( sBranch.isEmpty() )
+                lNode.append( pNode );
+        else
+                sBranch.peek()->addNode( pNode );
+}
+
+void Ast::openBranch()
+{
+        sBranch.peek()->addBranch();
+}
+
+void Ast::closeNode()
+{
+        sBranch.pop();
+}
+
+Ast::NodeList::const_iterator Ast::getNodeBegin() const
+{
+        return lNode.begin();
+}
+
+Bu::Formatter &operator<<( Bu::Formatter &f, const Ast &a )
+{
+        f << "Abstract Syntax Tree:";
+        f.incIndent();
+        f << f.nl;
+        for( Ast::NodeList::const_iterator i = a.getNodeBegin(); i; i++ )
+                f << **i << f.nl;
+        f << f.nl;
+        f.decIndent();
+        return f;
+}
+