private static SubProduction GetSelectRule()
{
return(new SubProduction
(
new List <ExpressionDefinition>
{
new TerminalExpressionDefinition {
TokenType = TokenType.Select
},
new NonTerminalExpressionDefinition {
Identifier = ParserConstants.Top
},
new NonTerminalExpressionDefinition {
Identifier = ParserConstants.SelectColumns
},
new TerminalExpressionDefinition {
TokenType = TokenType.From
},
new NonTerminalExpressionDefinition {
Identifier = ParserConstants.Identifier
},
new NonTerminalExpressionDefinition {
Identifier = ParserConstants.Join
},
new NonTerminalExpressionDefinition {
Identifier = ParserConstants.Where
},
new SemanticActionDefinition((ParsingNode node) =>
{
IdentifierASTNode identifier = node.GetAttributeForKey <IdentifierASTNode>(ParserConstants.Identifier, ParserConstants.SyntaxTreeNode);
BooleanExpressionASTNode condition = node.GetAttributeForKey <BooleanExpressionASTNode>(ParserConstants.Where, ParserConstants.SyntaxTreeNode);
JoinASTNode join = node.GetAttributeForKey <JoinASTNode>(ParserConstants.Join, ParserConstants.SyntaxTreeNode);
TopASTNode top = node.GetAttributeForKey <TopASTNode>(ParserConstants.Top, ParserConstants.SyntaxTreeNode);
FromASTNode from = new FromASTNode()
{
Identifier = identifier
};
node.Attributes.Add(ParserConstants.SyntaxTreeNode, new SelectASTNode()
{
From = from,
Condition = condition,
Join = join,
Top = top,
SelectColumns = node.GetAttributeForKey <List <FactorASTNode> >(ParserConstants.SelectColumns, ParserConstants.SyntaxTreeNodes)
});
})
}
));
}
private static SubProduction GetTopRule()
{
return(new SubProduction
(
new List <ExpressionDefinition>
{
new TerminalExpressionDefinition {
TokenType = TokenType.Top
},
new TerminalExpressionDefinition {
Key = "Integer", TokenType = TokenType.Integer
},
new SemanticActionDefinition((ParsingNode node) =>
{
TopASTNode astNode = new TopASTNode();
astNode.Amount = Convert.ToInt32(node.GetAttributeForKey <WordToken>("Integer", ParserConstants.Token).Lexeme);
node.Attributes.Add(ParserConstants.SyntaxTreeNode, astNode);
})
}
));
}
