public static CompileResult Compile(string typeSql, string typeSqlFileName)
{
//create the antlr-based lexer and parser
var lexer = new TypeSqlLexer(new ANTLRStringStream(typeSql));
var rewriteTokenStream = new TokenRewriteStream(lexer);
var parser = new TypeSqlParser(rewriteTokenStream);
//parse the typeSql, producing the AST
var ast = (CommonTree) parser.typesql().Tree;
var nodeStream = new CommonTreeNodeStream(ast);
//transform the AST into raw-sql
var rawSqlOutput = new RawSqlTransform(nodeStream);
nodeStream.TokenStream = rewriteTokenStream;
rawSqlOutput.typeSql();
string rawSql = rewriteTokenStream.ToString();
//reset
lexer.Reset();
rewriteTokenStream.Reset();
nodeStream.Reset();
//and transform the AST into DAO source code
var daoTransform = new DaoTransform(nodeStream){TemplateGroup = new StringTemplateGroup(
new StreamReader(typeof(TypeSqlCompiler).Assembly.GetManifestResourceStream("TypeSql.Parsing.DapperDao.stg")),
typeof (TemplateLexer))};
var template = daoTransform.typeSql(typeSqlFileName, rawSql).Template;
string daoSourceCode = template.ToString();
return new CompileResult(daoSourceCode, rawSql);
}
protected AntlrParserTest(string sql)
{
//act
var lexer = new TypeSqlLexer(new ANTLRStringStream(sql));
var parser = new TypeSqlParser(new CommonTokenStream(lexer));
var parseResult = parser.typesql();
AST = (CommonTree) parseResult.Tree;
SqlNode = (CommonTree)AST.GetFirstChildWithType(TypeSqlParser.SQL);
}
public void TwoOutputs()
{
//arrange
const string sql =
@"SELECT UserId:int, UserName:string FROM Users";
//act
var input = new ANTLRStringStream(sql);
var lexer = new TypeSqlLexer(input);
var tokenStream = new CommonTokenStream(lexer);
var parser = new TypeSqlParser(tokenStream);
var parseResult = parser.typesql();
}
public void OneOutputOneInput()
{
//arrange
const string sql =
@"SELECT Name:string FROM Users WHERE Id= @id:int";
//act
var input = new ANTLRStringStream(sql);
var lexer = new TypeSqlLexer(input);
var tokenStream = new CommonTokenStream(lexer);
var parser = new TypeSqlParser(tokenStream);
var parseResult = parser.typesql();
}
public void Template()
{
//arrange
const string sql =
@"SELECT UserId:int FROM Users";
//act
var input = new ANTLRStringStream(sql);
var lexer = new TypeSqlLexer(input);
var tokenStream = new CommonTokenStream(lexer);
var parser = new TypeSqlParser(tokenStream);
var parseResult = parser.typesql();
var templateGroup = new StringTemplateGroup(
new StreamReader(new FileStream(@"..\..\..\TypeSql\Parsing\DapperDao.stg", FileMode.Open)),
typeof (TemplateLexer));
var dapperDaoTransform = new DaoTransform(new CommonTreeNodeStream(parseResult.Tree))
{
TemplateGroup = templateGroup
};
//var result = dapperDaoTransform.sql("UserIds").Template.ToString();
}
