| 1 | #!/usr/bin/env python
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| 2 | #
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| 3 | # Copyright (c) 2006 Ondrej Palkovsky
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| 4 | # Copyright (c) 2009 Martin Decky
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| 5 | # Copyright (c) 2010 Jiri Svoboda
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| 6 | # All rights reserved.
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| 7 | #
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| 8 | # Redistribution and use in source and binary forms, with or without
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| 9 | # modification, are permitted provided that the following conditions
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| 10 | # are met:
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| 11 | #
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| 12 | # - Redistributions of source code must retain the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer.
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| 14 | # - Redistributions in binary form must reproduce the above copyright
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| 15 | # notice, this list of conditions and the following disclaimer in the
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| 16 | # documentation and/or other materials provided with the distribution.
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| 17 | # - The name of the author may not be used to endorse or promote products
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| 18 | # derived from this software without specific prior written permission.
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| 19 | #
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| 20 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 21 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 22 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 23 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 24 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 25 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 26 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 27 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 28 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 29 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 30 | #
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| 31 |
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| 32 | """
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| 33 | HelenOS configuration system
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| 34 | """
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| 35 |
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| 36 | import sys
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| 37 | import os
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| 38 | import re
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| 39 | import time
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| 40 | import subprocess
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| 41 | import xtui
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| 42 | import random
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| 43 |
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| 44 | RULES_FILE = sys.argv[1]
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| 45 | MAKEFILE = 'Makefile.config'
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| 46 | MACROS = 'config.h'
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| 47 | PRESETS_DIR = 'defaults'
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| 48 |
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| 49 | class BinaryOp:
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| 50 | def __init__(self, operator, left, right):
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| 51 | assert operator in ('&', '|', '=', '!=')
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| 52 |
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| 53 | self._operator = operator
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| 54 | self._left = left
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| 55 | self._right = right
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| 56 |
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| 57 | def evaluate(self, config):
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| 58 | if self._operator == '&':
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| 59 | return self._left.evaluate(config) and \
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| 60 | self._right.evaluate(config)
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| 61 | if self._operator == '|':
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| 62 | return self._left.evaluate(config) or \
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| 63 | self._right.evaluate(config)
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| 64 |
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| 65 | # '=' or '!='
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| 66 | if not self._left in config:
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| 67 | config_val = ''
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| 68 | else:
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| 69 | config_val = config[self._left]
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| 70 | if config_val == '*':
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| 71 | config_val = 'y'
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| 72 |
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| 73 | if self._operator == '=':
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| 74 | return self._right == config_val
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| 75 | return self._right != config_val
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| 76 |
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| 77 | # Expression parser
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| 78 | class CondParser:
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| 79 | TOKEN_EOE = 0
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| 80 | TOKEN_SPECIAL = 1
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| 81 | TOKEN_STRING = 2
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| 82 |
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| 83 | def __init__(self, text):
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| 84 | self._text = text
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| 85 |
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| 86 | def parse(self):
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| 87 | self._position = -1
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| 88 | self._next_char()
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| 89 | self._next_token()
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| 90 |
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| 91 | res = self._parse_expr()
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| 92 | if self._token_type != self.TOKEN_EOE:
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| 93 | self._error("Expected end of expression")
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| 94 | return res
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| 95 |
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| 96 | def _next_char(self):
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| 97 | self._position += 1
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| 98 | if self._position >= len(self._text):
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| 99 | self._char = None
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| 100 | else:
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| 101 | self._char = self._text[self._position]
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| 102 | self._is_special_char = self._char in \
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| 103 | ('&', '|', '=', '!', '(', ')')
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| 104 |
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| 105 | def _error(self, msg):
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| 106 | raise RuntimeError("Error parsing expression: %s:\n%s\n%s^" %
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| 107 | (msg, self._text, " " * self._token_position))
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| 108 |
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| 109 | def _next_token(self):
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| 110 | self._token_position = self._position
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| 111 |
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| 112 | # End of expression
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| 113 | if self._char == None:
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| 114 | self._token = None
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| 115 | self._token_type = self.TOKEN_EOE
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| 116 | return
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| 117 |
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| 118 | # '&', '|', '=', '!=', '(', ')'
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| 119 | if self._is_special_char:
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| 120 | self._token = self._char
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| 121 | self._next_char()
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| 122 | if self._token == '!':
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| 123 | if self._char != '=':
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| 124 | self._error("Expected '='")
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| 125 | self._token += self._char
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| 126 | self._next_char()
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| 127 | self._token_type = self.TOKEN_SPECIAL
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| 128 | return
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| 129 |
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| 130 | # <var> or <val>
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| 131 | self._token = ''
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| 132 | self._token_type = self.TOKEN_STRING
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| 133 | while True:
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| 134 | self._token += self._char
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| 135 | self._next_char()
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| 136 | if self._is_special_char or self._char == None:
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| 137 | break
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| 138 |
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| 139 | def _parse_expr(self):
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| 140 | """ <expr> ::= <or_expr> ('&' <or_expr>)* """
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| 141 |
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| 142 | left = self._parse_or_expr()
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| 143 | while self._token == '&':
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| 144 | self._next_token()
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| 145 | left = BinaryOp('&', left, self._parse_or_expr())
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| 146 | return left
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| 147 |
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| 148 | def _parse_or_expr(self):
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| 149 | """ <or_expr> ::= <factor> ('|' <factor>)* """
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| 150 |
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| 151 | left = self._parse_factor()
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| 152 | while self._token == '|':
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| 153 | self._next_token()
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| 154 | left = BinaryOp('|', left, self._parse_factor())
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| 155 | return left
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| 156 |
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| 157 | def _parse_factor(self):
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| 158 | """ <factor> ::= <var> <cond> | '(' <expr> ')' """
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| 159 |
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| 160 | if self._token == '(':
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| 161 | self._next_token()
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| 162 | res = self._parse_expr()
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| 163 | if self._token != ')':
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| 164 | self._error("Expected ')'")
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| 165 | self._next_token()
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| 166 | return res
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| 167 |
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| 168 | if self._token_type == self.TOKEN_STRING:
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| 169 | var = self._token
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| 170 | self._next_token()
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| 171 | return self._parse_cond(var)
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| 172 |
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| 173 | self._error("Expected '(' or <var>")
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| 174 |
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| 175 | def _parse_cond(self, var):
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| 176 | """ <cond> ::= '=' <val> | '!=' <val> """
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| 177 |
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| 178 | if self._token not in ('=', '!='):
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| 179 | self._error("Expected '=' or '!='")
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| 180 |
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| 181 | oper = self._token
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| 182 | self._next_token()
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| 183 |
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| 184 | if self._token_type != self.TOKEN_STRING:
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| 185 | self._error("Expected <val>")
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| 186 |
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| 187 | val = self._token
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| 188 | self._next_token()
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| 189 |
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| 190 | return BinaryOp(oper, var, val)
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| 191 |
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| 192 | def read_config(fname, config):
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| 193 | "Read saved values from last configuration run or a preset file"
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| 194 |
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| 195 | inf = open(fname, 'r')
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| 196 |
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| 197 | for line in inf:
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| 198 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line)
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| 199 | if res:
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| 200 | config[res.group(1)] = res.group(2)
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| 201 |
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| 202 | inf.close()
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| 203 |
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| 204 | def parse_rules(fname, rules):
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| 205 | "Parse rules file"
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| 206 |
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| 207 | inf = open(fname, 'r')
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| 208 |
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| 209 | name = ''
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| 210 | choices = []
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| 211 |
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| 212 | for line in inf:
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| 213 |
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| 214 | if line.startswith('!'):
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| 215 | # Ask a question
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| 216 | res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line)
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| 217 |
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| 218 | if not res:
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| 219 | raise RuntimeError("Weird line: %s" % line)
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| 220 |
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| 221 | cond = res.group(1)
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| 222 | if cond:
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| 223 | cond = CondParser(cond).parse()
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| 224 | varname = res.group(2)
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| 225 | vartype = res.group(3)
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| 226 |
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| 227 | rules.append((varname, vartype, name, choices, cond))
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| 228 | name = ''
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| 229 | choices = []
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| 230 | continue
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| 231 |
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| 232 | if line.startswith('@'):
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| 233 | # Add new line into the 'choices' array
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| 234 | res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line)
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| 235 |
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| 236 | if not res:
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| 237 | raise RuntimeError("Bad line: %s" % line)
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| 238 |
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| 239 | choices.append((res.group(2), res.group(3)))
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| 240 | continue
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| 241 |
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| 242 | if line.startswith('%'):
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| 243 | # Name of the option
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| 244 | name = line[1:].strip()
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| 245 | continue
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| 246 |
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| 247 | if line.startswith('#') or (line == '\n'):
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| 248 | # Comment or empty line
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| 249 | continue
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| 250 |
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| 251 |
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| 252 | raise RuntimeError("Unknown syntax: %s" % line)
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| 253 |
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| 254 | inf.close()
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| 255 |
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| 256 | def yes_no(default):
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| 257 | "Return '*' if yes, ' ' if no"
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| 258 |
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| 259 | if default == 'y':
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| 260 | return '*'
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| 261 |
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| 262 | return ' '
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| 263 |
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| 264 | def subchoice(screen, name, choices, default):
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| 265 | "Return choice of choices"
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| 266 |
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| 267 | maxkey = 0
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| 268 | for key, val in choices:
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| 269 | length = len(key)
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| 270 | if (length > maxkey):
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| 271 | maxkey = length
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| 272 |
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| 273 | options = []
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| 274 | position = None
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| 275 | cnt = 0
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| 276 | for key, val in choices:
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| 277 | if (default) and (key == default):
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| 278 | position = cnt
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| 279 |
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| 280 | options.append(" %-*s %s " % (maxkey, key, val))
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| 281 | cnt += 1
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| 282 |
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| 283 | (button, value) = xtui.choice_window(screen, name, 'Choose value', options, position)
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| 284 |
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| 285 | if button == 'cancel':
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| 286 | return None
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| 287 |
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| 288 | return choices[value][0]
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| 289 |
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| 290 | ## Infer and verify configuration values.
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| 291 | #
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| 292 | # Augment @a config with values that can be inferred, purge invalid ones
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| 293 | # and verify that all variables have a value (previously specified or inferred).
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| 294 | #
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| 295 | # @param config Configuration to work on
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| 296 | # @param rules Rules
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| 297 | #
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| 298 | # @return True if configuration is complete and valid, False
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| 299 | # otherwise.
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| 300 | #
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| 301 | def infer_verify_choices(config, rules):
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| 302 | "Infer and verify configuration values."
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| 303 |
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| 304 | for rule in rules:
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| 305 | varname, vartype, name, choices, cond = rule
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| 306 |
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| 307 | if cond and not cond.evaluate(config):
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| 308 | continue
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| 309 |
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| 310 | if not varname in config:
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| 311 | value = None
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| 312 | else:
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| 313 | value = config[varname]
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| 314 |
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| 315 | if not validate_rule_value(rule, value):
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| 316 | value = None
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| 317 |
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| 318 | default = get_default_rule(rule)
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| 319 |
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| 320 | #
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| 321 | # If we don't have a value but we do have
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| 322 | # a default, use it.
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| 323 | #
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| 324 | if value == None and default != None:
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| 325 | value = default
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| 326 | config[varname] = default
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| 327 |
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| 328 | if not varname in config:
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| 329 | return False
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| 330 |
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| 331 | return True
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| 332 |
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| 333 | ## Fill the configuration with random (but valid) values.
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| 334 | #
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| 335 | # The random selection takes next rule and if the condition does
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| 336 | # not violate existing configuration, random value of the variable
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| 337 | # is selected.
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| 338 | # This happens recursively as long as there are more rules.
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| 339 | # If a conflict is found, we backtrack and try other settings of the
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| 340 | # variable or ignoring the variable altogether.
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| 341 | #
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| 342 | # @param config Configuration to work on
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| 343 | # @param rules Rules
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| 344 | # @param start_index With which rule to start (initial call must specify 0 here).
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| 345 | # @return True if able to find a valid configuration
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| 346 | def random_choices(config, rules, start_index):
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| 347 | "Fill the configuration with random (but valid) values."
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| 348 | if start_index >= len(rules):
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| 349 | return True
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| 350 |
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| 351 | varname, vartype, name, choices, cond = rules[start_index]
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| 352 |
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| 353 | # First check that this rule would make sense
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| 354 | if cond and not cond.evaluate(config):
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| 355 | return random_choices(config, rules, start_index + 1)
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| 356 |
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| 357 | # Remember previous choices for backtracking
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| 358 | yes_no = 0
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| 359 | choices_indexes = range(0, len(choices))
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| 360 | random.shuffle(choices_indexes)
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| 361 |
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| 362 | # Remember current configuration value
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| 363 | old_value = None
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| 364 | try:
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| 365 | old_value = config[varname]
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| 366 | except KeyError:
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| 367 | old_value = None
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| 368 |
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| 369 | # For yes/no choices, we ran the loop at most 2 times, for select
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| 370 | # choices as many times as there are options.
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| 371 | try_counter = 0
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| 372 | while True:
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| 373 | if vartype == 'choice':
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| 374 | if try_counter >= len(choices_indexes):
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| 375 | break
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| 376 | value = choices[choices_indexes[try_counter]][0]
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| 377 | elif vartype == 'y' or vartype == 'n':
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| 378 | if try_counter > 0:
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| 379 | break
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| 380 | value = vartype
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| 381 | elif vartype == 'y/n' or vartype == 'n/y':
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| 382 | if try_counter == 0:
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| 383 | yes_no = random.randint(0, 1)
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| 384 | elif try_counter == 1:
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| 385 | yes_no = 1 - yes_no
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| 386 | else:
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| 387 | break
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| 388 | if yes_no == 0:
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| 389 | value = 'n'
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| 390 | else:
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| 391 | value = 'y'
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| 392 | else:
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| 393 | raise RuntimeError("Unknown variable type: %s" % vartype)
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| 394 |
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| 395 | config[varname] = value
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| 396 |
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| 397 | ok = random_choices(config, rules, start_index + 1)
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| 398 | if ok:
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| 399 | return True
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| 400 |
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| 401 | try_counter = try_counter + 1
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| 402 |
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| 403 | # Restore the old value and backtrack
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| 404 | # (need to delete to prevent "ghost" variables that do not exist under
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| 405 | # certain configurations)
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| 406 | config[varname] = old_value
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| 407 | if old_value is None:
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| 408 | del config[varname]
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| 409 |
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| 410 | return random_choices(config, rules, start_index + 1)
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| 411 |
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| 412 |
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| 413 | ## Get default value from a rule.
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| 414 | def get_default_rule(rule):
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| 415 | varname, vartype, name, choices, cond = rule
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| 416 |
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| 417 | default = None
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| 418 |
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| 419 | if vartype == 'choice':
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| 420 | # If there is just one option, use it
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| 421 | if len(choices) == 1:
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| 422 | default = choices[0][0]
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| 423 | elif vartype == 'y':
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| 424 | default = '*'
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| 425 | elif vartype == 'n':
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| 426 | default = 'n'
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| 427 | elif vartype == 'y/n':
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| 428 | default = 'y'
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| 429 | elif vartype == 'n/y':
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| 430 | default = 'n'
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| 431 | else:
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| 432 | raise RuntimeError("Unknown variable type: %s" % vartype)
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| 433 |
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| 434 | return default
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| 435 |
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| 436 | ## Get option from a rule.
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| 437 | #
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| 438 | # @param rule Rule for a variable
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| 439 | # @param value Current value of the variable
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| 440 | #
|
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| 441 | # @return Option (string) to ask or None which means not to ask.
|
|---|
| 442 | #
|
|---|
| 443 | def get_rule_option(rule, value):
|
|---|
| 444 | varname, vartype, name, choices, cond = rule
|
|---|
| 445 |
|
|---|
| 446 | option = None
|
|---|
| 447 |
|
|---|
| 448 | if vartype == 'choice':
|
|---|
| 449 | # If there is just one option, don't ask
|
|---|
| 450 | if len(choices) != 1:
|
|---|
| 451 | if (value == None):
|
|---|
| 452 | option = "? %s --> " % name
|
|---|
| 453 | else:
|
|---|
| 454 | option = " %s [%s] --> " % (name, value)
|
|---|
| 455 | elif vartype == 'y':
|
|---|
| 456 | pass
|
|---|
| 457 | elif vartype == 'n':
|
|---|
| 458 | pass
|
|---|
| 459 | elif vartype == 'y/n':
|
|---|
| 460 | option = " <%s> %s " % (yes_no(value), name)
|
|---|
| 461 | elif vartype == 'n/y':
|
|---|
| 462 | option =" <%s> %s " % (yes_no(value), name)
|
|---|
| 463 | else:
|
|---|
| 464 | raise RuntimeError("Unknown variable type: %s" % vartype)
|
|---|
| 465 |
|
|---|
| 466 | return option
|
|---|
| 467 |
|
|---|
| 468 | ## Check if variable value is valid.
|
|---|
| 469 | #
|
|---|
| 470 | # @param rule Rule for the variable
|
|---|
| 471 | # @param value Value of the variable
|
|---|
| 472 | #
|
|---|
| 473 | # @return True if valid, False if not valid.
|
|---|
| 474 | #
|
|---|
| 475 | def validate_rule_value(rule, value):
|
|---|
| 476 | varname, vartype, name, choices, cond = rule
|
|---|
| 477 |
|
|---|
| 478 | if value == None:
|
|---|
| 479 | return True
|
|---|
| 480 |
|
|---|
| 481 | if vartype == 'choice':
|
|---|
| 482 | if not value in [choice[0] for choice in choices]:
|
|---|
| 483 | return False
|
|---|
| 484 | elif vartype == 'y':
|
|---|
| 485 | if value != 'y':
|
|---|
| 486 | return False
|
|---|
| 487 | elif vartype == 'n':
|
|---|
| 488 | if value != 'n':
|
|---|
| 489 | return False
|
|---|
| 490 | elif vartype == 'y/n':
|
|---|
| 491 | if not value in ['y', 'n']:
|
|---|
| 492 | return False
|
|---|
| 493 | elif vartype == 'n/y':
|
|---|
| 494 | if not value in ['y', 'n']:
|
|---|
| 495 | return False
|
|---|
| 496 | else:
|
|---|
| 497 | raise RuntimeError("Unknown variable type: %s" % vartype)
|
|---|
| 498 |
|
|---|
| 499 | return True
|
|---|
| 500 |
|
|---|
| 501 | def preprocess_config(config, rules):
|
|---|
| 502 | "Preprocess configuration"
|
|---|
| 503 |
|
|---|
| 504 | varname_mode = 'CONFIG_BFB_MODE'
|
|---|
| 505 | varname_width = 'CONFIG_BFB_WIDTH'
|
|---|
| 506 | varname_height = 'CONFIG_BFB_HEIGHT'
|
|---|
| 507 |
|
|---|
| 508 | if varname_mode in config:
|
|---|
| 509 | mode = config[varname_mode].partition('x')
|
|---|
| 510 |
|
|---|
| 511 | config[varname_width] = mode[0]
|
|---|
| 512 | rules.append((varname_width, 'choice', 'Default framebuffer width', None, None))
|
|---|
| 513 |
|
|---|
| 514 | config[varname_height] = mode[2]
|
|---|
| 515 | rules.append((varname_height, 'choice', 'Default framebuffer height', None, None))
|
|---|
| 516 |
|
|---|
| 517 | def create_output(mkname, mcname, config, rules):
|
|---|
| 518 | "Create output configuration"
|
|---|
| 519 |
|
|---|
| 520 | varname_strip = 'CONFIG_STRIP_REVISION_INFO'
|
|---|
| 521 | strip_rev_info = (varname_strip in config) and (config[varname_strip] == 'y')
|
|---|
| 522 |
|
|---|
| 523 | if strip_rev_info:
|
|---|
| 524 | timestamp_unix = int(0)
|
|---|
| 525 | else:
|
|---|
| 526 | # TODO: Use commit timestamp instead of build time.
|
|---|
| 527 | timestamp_unix = int(time.time())
|
|---|
| 528 |
|
|---|
| 529 | timestamp = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(timestamp_unix))
|
|---|
| 530 |
|
|---|
| 531 | sys.stderr.write("Fetching current revision identifier ... ")
|
|---|
| 532 |
|
|---|
| 533 | try:
|
|---|
| 534 | version = subprocess.Popen(['git', 'log', '-1', '--pretty=%h'], stdout = subprocess.PIPE).communicate()[0].decode().strip()
|
|---|
| 535 | sys.stderr.write("ok\n")
|
|---|
| 536 | except:
|
|---|
| 537 | version = None
|
|---|
| 538 | sys.stderr.write("failed\n")
|
|---|
| 539 |
|
|---|
| 540 | if (not strip_rev_info) and (version is not None):
|
|---|
| 541 | revision = version
|
|---|
| 542 | else:
|
|---|
| 543 | revision = None
|
|---|
| 544 |
|
|---|
| 545 | outmk = open(mkname, 'w')
|
|---|
| 546 | outmc = open(mcname, 'w')
|
|---|
| 547 |
|
|---|
| 548 | outmk.write('#########################################\n')
|
|---|
| 549 | outmk.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
|
|---|
| 550 | outmk.write('## Generated by: tools/config.py ##\n')
|
|---|
| 551 | outmk.write('#########################################\n\n')
|
|---|
| 552 |
|
|---|
| 553 | outmc.write('/***************************************\n')
|
|---|
| 554 | outmc.write(' * AUTO-GENERATED FILE, DO NOT EDIT!!! *\n')
|
|---|
| 555 | outmc.write(' * Generated by: tools/config.py *\n')
|
|---|
| 556 | outmc.write(' ***************************************/\n\n')
|
|---|
| 557 |
|
|---|
| 558 | defs = 'CONFIG_DEFS ='
|
|---|
| 559 |
|
|---|
| 560 | for varname, vartype, name, choices, cond in rules:
|
|---|
| 561 | if cond and not cond.evaluate(config):
|
|---|
| 562 | continue
|
|---|
| 563 |
|
|---|
| 564 | if not varname in config:
|
|---|
| 565 | value = ''
|
|---|
| 566 | else:
|
|---|
| 567 | value = config[varname]
|
|---|
| 568 | if (value == '*'):
|
|---|
| 569 | value = 'y'
|
|---|
| 570 |
|
|---|
| 571 | outmk.write('# %s\n%s = %s\n\n' % (name, varname, value))
|
|---|
| 572 |
|
|---|
| 573 | if vartype in ["y", "n", "y/n", "n/y"]:
|
|---|
| 574 | if value == "y":
|
|---|
| 575 | outmc.write('/* %s */\n#define %s\n\n' % (name, varname))
|
|---|
| 576 | defs += ' -D%s' % varname
|
|---|
| 577 | else:
|
|---|
| 578 | outmc.write('/* %s */\n#define %s %s\n#define %s_%s\n\n' % (name, varname, value, varname, value))
|
|---|
| 579 | defs += ' -D%s=%s -D%s_%s' % (varname, value, varname, value)
|
|---|
| 580 |
|
|---|
| 581 | if revision is not None:
|
|---|
| 582 | outmk.write('REVISION = %s\n' % revision)
|
|---|
| 583 | outmc.write('#define REVISION %s\n' % revision)
|
|---|
| 584 | defs += ' "-DREVISION=%s"' % revision
|
|---|
| 585 |
|
|---|
| 586 | outmk.write('TIMESTAMP_UNIX = %d\n' % timestamp_unix)
|
|---|
| 587 | outmc.write('#define TIMESTAMP_UNIX %d\n' % timestamp_unix)
|
|---|
| 588 | defs += ' "-DTIMESTAMP_UNIX=%d"\n' % timestamp_unix
|
|---|
| 589 |
|
|---|
| 590 | outmk.write('TIMESTAMP = %s\n' % timestamp)
|
|---|
| 591 | outmc.write('#define TIMESTAMP %s\n' % timestamp)
|
|---|
| 592 | defs += ' "-DTIMESTAMP=%s"\n' % timestamp
|
|---|
| 593 |
|
|---|
| 594 | outmk.write(defs)
|
|---|
| 595 |
|
|---|
| 596 | outmk.close()
|
|---|
| 597 | outmc.close()
|
|---|
| 598 |
|
|---|
| 599 | def sorted_dir(root):
|
|---|
| 600 | list = os.listdir(root)
|
|---|
| 601 | list.sort()
|
|---|
| 602 | return list
|
|---|
| 603 |
|
|---|
| 604 | ## Ask user to choose a configuration profile.
|
|---|
| 605 | #
|
|---|
| 606 | def choose_profile(root, fname, screen, config):
|
|---|
| 607 | options = []
|
|---|
| 608 | opt2path = {}
|
|---|
| 609 | cnt = 0
|
|---|
| 610 |
|
|---|
| 611 | # Look for profiles
|
|---|
| 612 | for name in sorted_dir(root):
|
|---|
| 613 | path = os.path.join(root, name)
|
|---|
| 614 | canon = os.path.join(path, fname)
|
|---|
| 615 |
|
|---|
| 616 | if os.path.isdir(path) and os.path.exists(canon) and os.path.isfile(canon):
|
|---|
| 617 | subprofile = False
|
|---|
| 618 |
|
|---|
| 619 | # Look for subprofiles
|
|---|
| 620 | for subname in sorted_dir(path):
|
|---|
| 621 | subpath = os.path.join(path, subname)
|
|---|
| 622 | subcanon = os.path.join(subpath, fname)
|
|---|
| 623 |
|
|---|
| 624 | if os.path.isdir(subpath) and os.path.exists(subcanon) and os.path.isfile(subcanon):
|
|---|
| 625 | subprofile = True
|
|---|
| 626 | options.append("%s (%s)" % (name, subname))
|
|---|
| 627 | opt2path[cnt] = [name, subname]
|
|---|
| 628 | cnt += 1
|
|---|
| 629 |
|
|---|
| 630 | if not subprofile:
|
|---|
| 631 | options.append(name)
|
|---|
| 632 | opt2path[cnt] = [name]
|
|---|
| 633 | cnt += 1
|
|---|
| 634 |
|
|---|
| 635 | (button, value) = xtui.choice_window(screen, 'Load preconfigured defaults', 'Choose configuration profile', options, None)
|
|---|
| 636 |
|
|---|
| 637 | if button == 'cancel':
|
|---|
| 638 | return None
|
|---|
| 639 |
|
|---|
| 640 | return opt2path[value]
|
|---|
| 641 |
|
|---|
| 642 | ## Read presets from a configuration profile.
|
|---|
| 643 | #
|
|---|
| 644 | # @param profile Profile to load from (a list of string components)
|
|---|
| 645 | # @param config Output configuration
|
|---|
| 646 | #
|
|---|
| 647 | def read_presets(profile, config):
|
|---|
| 648 | path = os.path.join(PRESETS_DIR, profile[0], MAKEFILE)
|
|---|
| 649 | read_config(path, config)
|
|---|
| 650 |
|
|---|
| 651 | if len(profile) > 1:
|
|---|
| 652 | path = os.path.join(PRESETS_DIR, profile[0], profile[1], MAKEFILE)
|
|---|
| 653 | read_config(path, config)
|
|---|
| 654 |
|
|---|
| 655 | ## Parse profile name (relative OS path) into a list of components.
|
|---|
| 656 | #
|
|---|
| 657 | # @param profile_name Relative path (using OS separator)
|
|---|
| 658 | # @return List of components
|
|---|
| 659 | #
|
|---|
| 660 | def parse_profile_name(profile_name):
|
|---|
| 661 | profile = []
|
|---|
| 662 |
|
|---|
| 663 | head, tail = os.path.split(profile_name)
|
|---|
| 664 | if head != '':
|
|---|
| 665 | profile.append(head)
|
|---|
| 666 |
|
|---|
| 667 | profile.append(tail)
|
|---|
| 668 | return profile
|
|---|
| 669 |
|
|---|
| 670 | def main():
|
|---|
| 671 | profile = None
|
|---|
| 672 | config = {}
|
|---|
| 673 | rules = []
|
|---|
| 674 |
|
|---|
| 675 | # Parse rules file
|
|---|
| 676 | parse_rules(RULES_FILE, rules)
|
|---|
| 677 |
|
|---|
| 678 | # Input configuration file can be specified on command line
|
|---|
| 679 | # otherwise configuration from previous run is used.
|
|---|
| 680 | if len(sys.argv) >= 4:
|
|---|
| 681 | profile = parse_profile_name(sys.argv[3])
|
|---|
| 682 | read_presets(profile, config)
|
|---|
| 683 | elif os.path.exists(MAKEFILE):
|
|---|
| 684 | read_config(MAKEFILE, config)
|
|---|
| 685 |
|
|---|
| 686 | # Default mode: check values and regenerate configuration files
|
|---|
| 687 | if (len(sys.argv) >= 3) and (sys.argv[2] == 'default'):
|
|---|
| 688 | if (infer_verify_choices(config, rules)):
|
|---|
| 689 | preprocess_config(config, rules)
|
|---|
| 690 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 691 | return 0
|
|---|
| 692 |
|
|---|
| 693 | # Hands-off mode: check values and regenerate configuration files,
|
|---|
| 694 | # but no interactive fallback
|
|---|
| 695 | if (len(sys.argv) >= 3) and (sys.argv[2] == 'hands-off'):
|
|---|
| 696 | # We deliberately test sys.argv >= 4 because we do not want
|
|---|
| 697 | # to read implicitly any possible previous run configuration
|
|---|
| 698 | if len(sys.argv) < 4:
|
|---|
| 699 | sys.stderr.write("Configuration error: No presets specified\n")
|
|---|
| 700 | return 2
|
|---|
| 701 |
|
|---|
| 702 | if (infer_verify_choices(config, rules)):
|
|---|
| 703 | preprocess_config(config, rules)
|
|---|
| 704 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 705 | return 0
|
|---|
| 706 |
|
|---|
| 707 | sys.stderr.write("Configuration error: The presets are ambiguous\n")
|
|---|
| 708 | return 1
|
|---|
| 709 |
|
|---|
| 710 | # Check mode: only check configuration
|
|---|
| 711 | if (len(sys.argv) >= 3) and (sys.argv[2] == 'check'):
|
|---|
| 712 | if infer_verify_choices(config, rules):
|
|---|
| 713 | return 0
|
|---|
| 714 | return 1
|
|---|
| 715 |
|
|---|
| 716 | # Random mode
|
|---|
| 717 | if (len(sys.argv) == 3) and (sys.argv[2] == 'random'):
|
|---|
| 718 | ok = random_choices(config, rules, 0)
|
|---|
| 719 | if not ok:
|
|---|
| 720 | sys.stderr.write("Internal error: unable to generate random config.\n")
|
|---|
| 721 | return 2
|
|---|
| 722 | if not infer_verify_choices(config, rules):
|
|---|
| 723 | sys.stderr.write("Internal error: random configuration not consistent.\n")
|
|---|
| 724 | return 2
|
|---|
| 725 | preprocess_config(config, rules)
|
|---|
| 726 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 727 |
|
|---|
| 728 | return 0
|
|---|
| 729 |
|
|---|
| 730 | screen = xtui.screen_init()
|
|---|
| 731 | try:
|
|---|
| 732 | selname = None
|
|---|
| 733 | position = None
|
|---|
| 734 | while True:
|
|---|
| 735 |
|
|---|
| 736 | # Cancel out all values which have to be deduced
|
|---|
| 737 | for varname, vartype, name, choices, cond in rules:
|
|---|
| 738 | if (vartype == 'y') and (varname in config) and (config[varname] == '*'):
|
|---|
| 739 | config[varname] = None
|
|---|
| 740 |
|
|---|
| 741 | options = []
|
|---|
| 742 | opt2row = {}
|
|---|
| 743 | cnt = 1
|
|---|
| 744 |
|
|---|
| 745 | options.append(" --- Load preconfigured defaults ... ")
|
|---|
| 746 |
|
|---|
| 747 | for rule in rules:
|
|---|
| 748 | varname, vartype, name, choices, cond = rule
|
|---|
| 749 |
|
|---|
| 750 | if cond and not cond.evaluate(config):
|
|---|
| 751 | continue
|
|---|
| 752 |
|
|---|
| 753 | if varname == selname:
|
|---|
| 754 | position = cnt
|
|---|
| 755 |
|
|---|
| 756 | if not varname in config:
|
|---|
| 757 | value = None
|
|---|
| 758 | else:
|
|---|
| 759 | value = config[varname]
|
|---|
| 760 |
|
|---|
| 761 | if not validate_rule_value(rule, value):
|
|---|
| 762 | value = None
|
|---|
| 763 |
|
|---|
| 764 | default = get_default_rule(rule)
|
|---|
| 765 |
|
|---|
| 766 | #
|
|---|
| 767 | # If we don't have a value but we do have
|
|---|
| 768 | # a default, use it.
|
|---|
| 769 | #
|
|---|
| 770 | if value == None and default != None:
|
|---|
| 771 | value = default
|
|---|
| 772 | config[varname] = default
|
|---|
| 773 |
|
|---|
| 774 | option = get_rule_option(rule, value)
|
|---|
| 775 | if option != None:
|
|---|
| 776 | options.append(option)
|
|---|
| 777 | else:
|
|---|
| 778 | continue
|
|---|
| 779 |
|
|---|
| 780 | opt2row[cnt] = (varname, vartype, name, choices)
|
|---|
| 781 |
|
|---|
| 782 | cnt += 1
|
|---|
| 783 |
|
|---|
| 784 | if (position != None) and (position >= len(options)):
|
|---|
| 785 | position = None
|
|---|
| 786 |
|
|---|
| 787 | (button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position)
|
|---|
| 788 |
|
|---|
| 789 | if button == 'cancel':
|
|---|
| 790 | return 'Configuration canceled'
|
|---|
| 791 |
|
|---|
| 792 | if button == 'done':
|
|---|
| 793 | if (infer_verify_choices(config, rules)):
|
|---|
| 794 | break
|
|---|
| 795 | else:
|
|---|
| 796 | xtui.error_dialog(screen, 'Error', 'Some options have still undefined values. These options are marked with the "?" sign.')
|
|---|
| 797 | continue
|
|---|
| 798 |
|
|---|
| 799 | if value == 0:
|
|---|
| 800 | profile = choose_profile(PRESETS_DIR, MAKEFILE, screen, config)
|
|---|
| 801 | if profile != None:
|
|---|
| 802 | read_presets(profile, config)
|
|---|
| 803 | position = 1
|
|---|
| 804 | continue
|
|---|
| 805 |
|
|---|
| 806 | position = None
|
|---|
| 807 | if not value in opt2row:
|
|---|
| 808 | raise RuntimeError("Error selecting value: %s" % value)
|
|---|
| 809 |
|
|---|
| 810 | (selname, seltype, name, choices) = opt2row[value]
|
|---|
| 811 |
|
|---|
| 812 | if not selname in config:
|
|---|
| 813 | value = None
|
|---|
| 814 | else:
|
|---|
| 815 | value = config[selname]
|
|---|
| 816 |
|
|---|
| 817 | if seltype == 'choice':
|
|---|
| 818 | config[selname] = subchoice(screen, name, choices, value)
|
|---|
| 819 | elif (seltype == 'y/n') or (seltype == 'n/y'):
|
|---|
| 820 | if config[selname] == 'y':
|
|---|
| 821 | config[selname] = 'n'
|
|---|
| 822 | else:
|
|---|
| 823 | config[selname] = 'y'
|
|---|
| 824 | finally:
|
|---|
| 825 | xtui.screen_done(screen)
|
|---|
| 826 |
|
|---|
| 827 | preprocess_config(config, rules)
|
|---|
| 828 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 829 | return 0
|
|---|
| 830 |
|
|---|
| 831 | if __name__ == '__main__':
|
|---|
| 832 | sys.exit(main())
|
|---|
