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
"""
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=[]):
"""Mark boards selected based on 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.
+ 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 number of boards which were selected
due to each argument, arranged by argument.
"""
result = {}
- argres = {}
- for arg in args:
- result[arg] = 0
- argres[arg] = re.compile(arg)
+ terms = self._BuildTerms(args)
+
result['all'] = 0
+ for term in terms:
+ result[str(term)] = 0
+
+ exclude_list = []
+ for expr in exclude:
+ exclude_list.append(Expr(expr))
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
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] += 1
result['all'] += 1
return result