| # Copyright (c) 2012 The Chromium OS Authors. |
| # |
| # SPDX-License-Identifier: GPL-2.0+ |
| # |
| |
| import re |
| |
| class Expr: |
| """A single regular expression for matching boards to build""" |
| |
| def __init__(self, expr): |
| """Set up a new Expr object. |
| |
| Args: |
| expr: String cotaining regular expression to store |
| """ |
| self._expr = expr |
| self._re = re.compile(expr) |
| |
| def Matches(self, props): |
| """Check if any of the properties match the regular expression. |
| |
| Args: |
| props: List of properties to check |
| Returns: |
| True if any of the properties match the regular expression |
| """ |
| for prop in props: |
| if self._re.match(prop): |
| return True |
| return False |
| |
| def __str__(self): |
| return self._expr |
| |
| class Term: |
| """A list of expressions each of which must match with properties. |
| |
| This provides a list of 'AND' expressions, meaning that each must |
| match the board properties for that board to be built. |
| """ |
| def __init__(self): |
| self._expr_list = [] |
| self._board_count = 0 |
| |
| def AddExpr(self, expr): |
| """Add an Expr object to the list to check. |
| |
| Args: |
| expr: New Expr object to add to the list of those that must |
| match for a board to be built. |
| """ |
| self._expr_list.append(Expr(expr)) |
| |
| def __str__(self): |
| """Return some sort of useful string describing the term""" |
| return '&'.join([str(expr) for expr in self._expr_list]) |
| |
| def Matches(self, props): |
| """Check if any of the properties match this term |
| |
| Each of the expressions in the term is checked. All must match. |
| |
| Args: |
| props: List of properties to check |
| Returns: |
| True if all of the expressions in the Term match, else False |
| """ |
| for expr in self._expr_list: |
| if not expr.Matches(props): |
| return False |
| return True |
| |
| class Board: |
| """A particular board that we can build""" |
| def __init__(self, status, arch, cpu, soc, vendor, board_name, target, options): |
| """Create a new board type. |
| |
| Args: |
| status: define whether the board is 'Active' or 'Orphaned' |
| arch: Architecture name (e.g. arm) |
| cpu: Cpu name (e.g. arm1136) |
| soc: Name of SOC, or '' if none (e.g. mx31) |
| vendor: Name of vendor (e.g. armltd) |
| board_name: Name of board (e.g. integrator) |
| target: Target name (use make <target>_defconfig to configure) |
| options: board-specific options (e.g. integratorcp:CM1136) |
| """ |
| self.target = target |
| self.arch = arch |
| self.cpu = cpu |
| self.board_name = board_name |
| self.vendor = vendor |
| self.soc = soc |
| self.options = options |
| self.props = [self.target, self.arch, self.cpu, self.board_name, |
| self.vendor, self.soc, self.options] |
| self.build_it = False |
| |
| |
| class Boards: |
| """Manage a list of boards.""" |
| def __init__(self): |
| # Use a simple list here, sinc OrderedDict requires Python 2.7 |
| self._boards = [] |
| |
| def AddBoard(self, board): |
| """Add a new board to the list. |
| |
| The board's target member must not already exist in the board list. |
| |
| Args: |
| board: board to add |
| """ |
| self._boards.append(board) |
| |
| def ReadBoards(self, fname): |
| """Read a list of boards from a board file. |
| |
| Create a board object for each and add it to our _boards list. |
| |
| Args: |
| fname: Filename of boards.cfg file |
| """ |
| with open(fname, 'r') as fd: |
| for line in fd: |
| if line[0] == '#': |
| continue |
| fields = line.split() |
| if not fields: |
| continue |
| for upto in range(len(fields)): |
| if fields[upto] == '-': |
| fields[upto] = '' |
| while len(fields) < 8: |
| fields.append('') |
| if len(fields) > 8: |
| fields = fields[:8] |
| |
| board = Board(*fields) |
| self.AddBoard(board) |
| |
| |
| def GetList(self): |
| """Return a list of available boards. |
| |
| Returns: |
| List of Board objects |
| """ |
| return self._boards |
| |
| def GetDict(self): |
| """Build a dictionary containing all the boards. |
| |
| Returns: |
| Dictionary: |
| key is board.target |
| value is board |
| """ |
| board_dict = {} |
| for board in self._boards: |
| board_dict[board.target] = board |
| return board_dict |
| |
| def GetSelectedDict(self): |
| """Return a dictionary containing the selected boards |
| |
| Returns: |
| List of Board objects that are marked selected |
| """ |
| board_dict = {} |
| for board in self._boards: |
| if board.build_it: |
| board_dict[board.target] = board |
| return board_dict |
| |
| def GetSelected(self): |
| """Return a list of selected boards |
| |
| Returns: |
| List of Board objects that are marked selected |
| """ |
| return [board for board in self._boards if board.build_it] |
| |
| def GetSelectedNames(self): |
| """Return a list of selected boards |
| |
| Returns: |
| List of board names that are marked selected |
| """ |
| return [board.target for board in self._boards if board.build_it] |
| |
| def _BuildTerms(self, args): |
| """Convert command line arguments to a list of terms. |
| |
| This deals with parsing of the arguments. It handles the '&' |
| operator, which joins several expressions into a single Term. |
| |
| For example: |
| ['arm & freescale sandbox', 'tegra'] |
| |
| will produce 3 Terms containing expressions as follows: |
| arm, freescale |
| sandbox |
| tegra |
| |
| The first Term has two expressions, both of which must match for |
| a board to be selected. |
| |
| Args: |
| args: List of command line arguments |
| Returns: |
| A list of Term objects |
| """ |
| syms = [] |
| for arg in args: |
| for word in arg.split(): |
| sym_build = [] |
| for term in word.split('&'): |
| if term: |
| sym_build.append(term) |
| sym_build.append('&') |
| syms += sym_build[:-1] |
| terms = [] |
| term = None |
| oper = None |
| for sym in syms: |
| if sym == '&': |
| oper = sym |
| elif oper: |
| term.AddExpr(sym) |
| oper = None |
| else: |
| if term: |
| terms.append(term) |
| term = Term() |
| term.AddExpr(sym) |
| if term: |
| terms.append(term) |
| return terms |
| |
| def SelectBoards(self, args, exclude=[]): |
| """Mark boards selected based on args |
| |
| Args: |
| args: List of strings specifying boards to include, either named, |
| or by their target, architecture, cpu, vendor or soc. If |
| empty, all boards are selected. |
| exclude: List of boards to exclude, regardless of 'args' |
| |
| Returns: |
| Dictionary which holds the list of boards which were selected |
| due to each argument, arranged by argument. |
| """ |
| result = {} |
| terms = self._BuildTerms(args) |
| |
| result['all'] = [] |
| for term in terms: |
| result[str(term)] = [] |
| |
| exclude_list = [] |
| for expr in exclude: |
| exclude_list.append(Expr(expr)) |
| |
| for board in self._boards: |
| matching_term = None |
| build_it = False |
| if terms: |
| match = False |
| for term in terms: |
| if term.Matches(board.props): |
| matching_term = str(term) |
| build_it = True |
| break |
| else: |
| build_it = True |
| |
| # Check that it is not specifically excluded |
| for expr in exclude_list: |
| if expr.Matches(board.props): |
| build_it = False |
| break |
| |
| if build_it: |
| board.build_it = True |
| if matching_term: |
| result[matching_term].append(board.target) |
| result['all'].append(board.target) |
| |
| return result |
