Force compilation of expression as though it were an expression depending
    on Clickhouse. Note you can also call expr.compile()

    Returns
    -------
    compiled : string
335133
def compile(expr, params=None):
    
    from ibis.clickhouse.compiler import to_sql

    return to_sql(expr, dialect.make_context(params=params))
770601
private Pattern getPattern(String expr)
    {
        Pattern pattern = patterns.get(expr);
        if(pattern == null)
        {
            pattern = Pattern.compile(expr);
            patterns.put(expr, pattern);
        }
        return pattern;
    }
816103
private Object eval(ExpressionContext expr) {
    Object res = expr;
    while(res instanceof ExpressionContext)
      res = ((ExpressionContext)res).accept(visitor);
    if(res instanceof LValue)
      res = ((LValue) res).get(expr);
    return res;
  }
549628
function executeExpr_(expr,context){
	var value=null;
	if(typeof expr=='string'){
		if(context.params[expr]){
			value=context.params[expr];
		}else{
			value=expr;
		}
	}else if(typeof expr[0]=='string'){
		switch(expr[0]){
		case 'defined':
			for(var k=1;k<expr.length;k++){
				if(typeof expr[k]!='string'){
					console.log("error: invalid format in defined expression");
					return null;
				}else if(context.params[expr[k]]==null){
					return false;
				}else{
					//nothing to do
				}
			}
			value=true;
			break;
		case 'append':{
			if(expr.length<3){
				console.log("error: append expression needs 2 arguments or more");
				return null;
			}
			value='';
			var v;
			for(var k=1;k<expr.length;k++){
				if(!(v=executeExpr(expr[k],context))){
					return false;
				}
				value+=v;
			}
			break;}
		case '&&':
			if(expr.length<3){
				console.log("error: && expression needs 2 arguments or more");
				return null;
			}
			for(var k=1;k<expr.length;k++){
				if(!executeExpr(expr[k],context)){
					return false;
				}
			}
			value=true;
			break;
		case '||':
			if(expr.length<3){
				console.log("error: && expression needs 2 arguments or more");
				return null;
			}
			for(var k=1;k<expr.length;k++){
				if(executeExpr(expr[k],context)){
					return true;
				}
			}
			value=false;
			break;
		case '==':
			if(expr.length!=3){
				console.log("error: == expression needs 2 arguments");
				return null;
			}
			return (executeExpr(expr[1],context)==executeExpr(expr[2],context));
		case '!=':
			if(expr.length!=3){
				console.log("error: != expression needs 2 arguments");
				return null;
			}
			return (executeExpr(expr[1],context)!=executeExpr(expr[2],context));
		case '!':
			if(expr.length!=2){
				console.log("error: == expression needs only 1 argument");
				return null;
			}
			return !executeExpr(expr[1],context);
			break;
		default:
			break;
		}
	}else if(expr[0] instanceof Array){
		if(expr.length==1){
			value=executeExpr(expr[0], context);
		}else{
			console.log("error: () expression needs only 1 argument");
		}
	}else{
		console.log("error: unknown expression");
	}
	return value;
}
982024
protected synchronized Object getCompiledExpression() {
        if (compiledExpression == null) {
            try {
                compiledExpression = Ognl.parseExpression(getExpression());
            }
            catch (OgnlException e) {
                throw new IllegalArgumentException("[" + getExpression() + "] is not a valid OGNL expression", e);
            }
        }
        return compiledExpression;
    }
1137209
def expr(obj, simplify=True):
    """"""
    if isinstance(obj, Expression):
        return obj
    # False, True, 0, 1
    elif isinstance(obj, int) and obj in {0, 1}:
        return _CONSTS[obj]
    elif isinstance(obj, str):
        ast = pyeda.parsing.boolexpr.parse(obj)
        ex = ast2expr(ast)
        if simplify:
            ex = ex.simplify()
        return ex
    else:
        return One if bool(obj) else Zero
857314
function getExpression(_, ctx, params) {
  if (_.$params) { // parse expression parameters
    parseParameters(_.$params, ctx, params);
  }
  var k = 'e:' + _.$expr + '_' + _.$name;
  return ctx.fn[k]
    || (ctx.fn[k] = accessor(parameterExpression(_.$expr, ctx), _.$fields, _.$name));
}
1209487
private boolean validRawTypeOfTypeExpression(Node expr) {
    // The expression must have two children. The rawTypeOf keyword and the
    // parameter
    if (!checkParameterCount(expr, Keywords.RAWTYPEOF)) {
      return false;
    }
    // The parameter must be a valid type expression
    if (!validTypeTransformationExpression(getCallArgument(expr, 0))) {
      warnInvalidInside(Keywords.RAWTYPEOF.name, expr);
      return false;
    }
    return true;
  }
285669
AppendableExpression appendChar(Expression exp) {
    return withNewDelegate(delegate.invoke(APPEND_CHAR, exp), true);
  }
1328924
def _check_ne_builtin_clash(expr):
    
    names = expr.names
    overlap = names & _ne_builtins

    if overlap:
        s = ', '.join(map(repr, overlap))
        raise NumExprClobberingError('Variables in expression "{expr}" '
                                     'overlap with builtins: ({s})'
                                     .format(expr=expr, s=s))
327865
def define(cls, expr):
        

        try:
            lang = cls.lang
            items = items_(expr)
            for item in items:
                op, term = item
                full_op = operators.get(op)
                if full_op:
                    class_ = lang.ops[full_op.id]
                    clauses = {k: jx_expression(v) for k, v in expr.items() if k != op}
                    break
            else:
                if not items:
                    return NULL
                raise Log.error("{{operator|quote}} is not a known operator", operator=expr)

            if term == None:
                return class_([], **clauses)
            elif is_list(term):
                terms = [jx_expression(t) for t in term]
                return class_(terms, **clauses)
            elif is_data(term):
                items = items_(term)
                if class_.has_simple_form:
                    if len(items) == 1:
                        k, v = items[0]
                        return class_([Variable(k), Literal(v)], **clauses)
                    else:
                        return class_({k:  Literal(v) for k, v in items}, **clauses)
                else:
                    return class_(_jx_expression(term, lang), **clauses)
            else:
                if op in ["literal", "date", "offset"]:
                    return class_(term, **clauses)
                else:
                    return class_(_jx_expression(term, lang), **clauses)
        except Exception as e:
            Log.error("programmer error expr = {{value|quote}}", value=expr, cause=e)
1248708
def _make_expr(toplevel, stack_builders):
    
    base_expr = _make_expr_internal(toplevel, stack_builders)
    if not toplevel._next_target_of:
        return base_expr

    subexprs = deque([base_expr])
    ops = deque([])
    while stack_builders and stack_builders[-1] in toplevel._next_target_of:
        jump = stack_builders.pop()
        if not isinstance(jump, _BOOLOP_JUMP_TYPES):
            raise DecompilationError(
                "Don't know how to decompile %s inside expression." % jump,
            )
        subexprs.appendleft(make_expr(stack_builders))
        ops.appendleft(_BOOLOP_JUMP_TO_AST_OP[type(jump)]())

    if len(subexprs) <= 1:
        raise DecompilationError(
            "Expected at least one JUMP instruction before expression."
        )

    return normalize_boolop(make_boolop(subexprs, ops))
29217
private boolean forbidUseOfSuperInFixtureMethod(MethodCallExpression expr) {
    Method currMethod = resources.getCurrentMethod();
    Expression target = expr.getObjectExpression();

    if (currMethod instanceof FixtureMethod
        && target instanceof VariableExpression
        && ((VariableExpression)target).isSuperExpression()
        && currMethod.getName().equals(expr.getMethodAsString())) {
      resources.getErrorReporter().error(expr,
          "A base class fixture method should not be called explicitly " +
              "because it is always invoked automatically by the framework");
      return true;
    }

    return false;
  }
1147504
def _compile_re(self, expression):
        
        meta_words = "|".join(self.sanitize_words)
        expression = expression.replace("META_WORDS_HERE", meta_words)
        return re.compile(expression, re.IGNORECASE)
413422
def get_expressions():
    

    if len(_EXPRESSIONS) == len(FILENAME_PATTERNS):
        return _EXPRESSIONS

    for cpattern in FILENAME_PATTERNS:
        _EXPRESSIONS.append(re.compile(cpattern, re.VERBOSE))
    return _EXPRESSIONS
1016509
def _compile(self, p):
        
        if self._is_value_filter(p) and p[0] == '=~':
            try:
                p[2] = re.compile(p[2])
            except:  # Python doesn't document exactly what exceptions re.compile throws
                raise ValueError('Bad regex - {0}'.format(p[2]))
        elif self._is_operator(p):
            for operator_or_filter in (p[1] if p[0] != '!' else [p[1]]):
                self._compile(operator_or_filter)
1312004
def append_code_expr(self, code):
        """"""
        # expects a string.
        if isinstance(code, str) and not isinstance(code, unicode):
            code = unicode(code)
        if not isinstance(code, unicode):
            raise TypeError("string expected")
        log.debug("compiling code %s...", code)
        try:
            code_obj = compile(code, '<string>', 'eval')
            self.code_objs[code] = code_obj
        except SyntaxError as syntax_err:
            log.error("cannot compile %s: %s", code, syntax_err)
            raise
        log.debug("compiled code %s", code)