+# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2012 The Chromium OS Authors.
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
+from collections import OrderedDict
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):
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>_config to configure)
+ target: Target name (use make <target>_defconfig to configure)
options: board-specific options (e.g. integratorcp:CM1136)
"""
self.target = target
self.board_name = board_name
self.vendor = vendor
self.soc = soc
- self.props = [self.target, self.arch, self.cpu, self.board_name,
- self.vendor, self.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
Args:
fname: Filename of boards.cfg file
"""
- with open(fname, 'r') as fd:
+ with open(fname, 'r', encoding='utf-8') as fd:
for line in fd:
if line[0] == '#':
continue
key is board.target
value is board
"""
- board_dict = {}
+ board_dict = OrderedDict()
for board in self._boards:
board_dict[board.target] = board
return board_dict
Returns:
List of Board objects that are marked selected
"""
- board_dict = {}
+ board_dict = OrderedDict()
for board in self._boards:
if board.build_it:
board_dict[board.target] = board
"""
return [board.target for board in self._boards if board.build_it]
- def SelectBoards(self, args):
+ 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=[], boards=None):
"""Mark boards selected based on args
+ Normally either boards (an explicit list of boards) or args (a list of
+ terms to match against) is used. It is possible to specify both, in
+ which case they are additive.
+
+ If boards and args are both empty, all boards are selected.
+
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.
+ 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'
+ boards: List of boards to build
Returns:
- Dictionary which holds the number of boards which were selected
- due to each argument, arranged by argument.
+ Tuple
+ Dictionary which holds the list of boards which were selected
+ due to each argument, arranged by argument.
+ List of errors found
"""
- result = {}
- argres = {}
- for arg in args:
- result[arg] = 0
- argres[arg] = re.compile(arg)
- result['all'] = 0
+ result = OrderedDict()
+ warnings = []
+ terms = self._BuildTerms(args)
+ result['all'] = []
+ for term in terms:
+ result[str(term)] = []
+
+ exclude_list = []
+ for expr in exclude:
+ exclude_list.append(Expr(expr))
+
+ found = []
for board in self._boards:
- if args:
- for arg in args:
- argre = argres[arg]
- match = False
- for prop in board.props:
- match = argre.match(prop)
- if match:
- break
- if match:
- if not board.build_it:
- board.build_it = True
- result[arg] += 1
- result['all'] += 1
+ 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
+ elif boards:
+ if board.target in boards:
+ build_it = True
+ found.append(board.target)
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
- result['all'] += 1
+ if matching_term:
+ result[matching_term].append(board.target)
+ result['all'].append(board.target)
+
+ if boards:
+ remaining = set(boards) - set(found)
+ if remaining:
+ warnings.append('Boards not found: %s\n' % ', '.join(remaining))
- return result
+ return result, warnings