/src/tools/syntax/tree/liberty_ast_if.e
http://github.com/tybor/Liberty · Specman e · 68 lines · 40 code · 10 blank · 18 comment · 0 complexity · c2330987f566cfc708f48a1cab930ac7 MD5 · raw file
- -- This file is part of Liberty Eiffel.
- --
- -- Liberty Eiffel is free software: you can redistribute it and/or modify
- -- it under the terms of the GNU General Public License as published by
- -- the Free Software Foundation, version 3 of the License.
- --
- -- Liberty Eiffel is distributed in the hope that it will be useful,
- -- but WITHOUT ANY WARRANTY; without even the implied warranty of
- -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- -- GNU General Public License for more details.
- --
- -- You should have received a copy of the GNU General Public License
- -- along with Liberty Eiffel. If not, see <http://www.gnu.org/licenses/>.
- --
- class LIBERTY_AST_IF
- --
- -- This class handles both "if" and "elseif" hence the redefines
- --
- inherit
- LIBERTY_AST_NON_TERMINAL_NODE
- redefine
- valid_name, make
- end
- create {LIBERTY_NODE_FACTORY}
- make
- feature {LIBERTY_AST_HANDLER}
- expression: LIBERTY_AST_EXPRESSION is
- do
- Result ::= nodes.item(1)
- end
- instructions: EIFFEL_LIST_NODE is
- do
- Result ::= nodes.item(3)
- end
- feature {ANY}
- count: INTEGER is 4
- name: STRING
- feature {}
- make (a_name: like eiffel_name; a_names: TRAVERSABLE[FIXED_STRING]) is
- do
- name := a_name.out
- Precursor(a_name, a_names)
- end
- possible_counts: SET[INTEGER] is
- once
- Result := {AVL_SET[INTEGER] << 4 >> }
- end
- valid_name (a_name: like eiffel_name): BOOLEAN is
- do
- inspect
- a_name
- when "If", "ElseIf" then
- Result := True
- else
- --Result := False
- end
- end
- end