Beispiel #1
0
/**
We treat the property value section as a list value, which is separated by ',' or ' '
*/
func (parser *Parser) ParsePropertyValue(parentRuleSet *ast.RuleSet, property *ast.Property) *ast.List {
	debug("ParsePropertyValue")
	// var tok = parser.peek()
	var list = ast.NewSpaceSepList()

	var tok = parser.peek()
	for tok.Type != ast.T_SEMICOLON && tok.Type != ast.T_BRACE_CLOSE {
		var sublist = parser.ParseList()
		if sublist != nil {
			list.Append(sublist)
			debug("ParsePropertyValue list: %+v", list)
		} else {
			break
		}
		tok = parser.peek()
	}

	return list
}
Beispiel #2
0
func (parser *Parser) ParseSpaceSepList() ast.Expr {
	debug("ParseSpaceSepList at %d", parser.Pos)

	var list = ast.NewSpaceSepList()
	list.Separator = " "

	if tok := parser.accept(ast.T_PAREN_OPEN); tok != nil {
		if sublist := parser.ParseCommaSepList(); sublist != nil {
			list.Append(sublist)
		}
		parser.expect(ast.T_PAREN_CLOSE)
	}

	var tok = parser.peek()
	for tok.Type != ast.T_SEMICOLON && tok.Type != ast.T_BRACE_CLOSE {
		var subexpr = parser.ParseExpr(true)
		if subexpr != nil {
			debug("Parsed Expr: %+v", subexpr)
			list.Append(subexpr)
		} else {
			break
		}
		tok = parser.peek()
		if tok.Type == ast.T_COMMA {
			break
		}
	}
	debug("Returning space-sep list: %+v", list)
	if list.Len() == 0 {
		return nil
	} else if list.Len() == 1 {
		return list.Exprs[0]
	} else if list.Len() > 1 {
		return list
	}
	return nil
}