private static SyntaxNode Program(RParser.ProgContext prog, Func<ParserRuleContext, Scope, SyntaxNode> transform, Scope scope)
{
var statements = new List<StatementSyntax>();
var inner = new Scope(scope);
inner.InitR();
var pre = inner.PreStatements();
foreach (var expr in prog.expr_or_assign())
{
pre.Clear();
var statement = transform(expr, inner) as StatementSyntax;
Debug.Assert(statement != null);
statements.AddRange(pre);
statements.Add(statement);
}
return CSharp.Block(statements);
}
private static SyntaxNode AssignmentStatement(RParser.AssignmentContext assignment, Func<ParserRuleContext, Scope, SyntaxNode> transform, Scope scope)
{
var left = transform(assignment.expr(), scope) as ExpressionSyntax;
var right = transform(assignment.expr_or_assign(), scope) as ExpressionStatementSyntax;
Debug.Assert(left != null && right != null);
return assigmentStatement(left, right.Expression, scope);
}
