| 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 | ARGPOS_RULES = 1
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| 45 | ARGPOS_CHOICE = 2
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| 46 | ARGPOS_PRESET = 3
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| 47 |
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| 48 | RULES_FILE = sys.argv[ARGPOS_RULES]
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| 49 | MAKEFILE = 'Makefile.config'
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| 50 | MACROS = 'config.h'
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| 51 | PRESETS_DIR = 'defaults'
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| 52 |
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| 53 | class BinaryOp:
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| 54 | def __init__(self, operator, left, right):
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| 55 | assert operator in ('&', '|', '=', '!=')
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| 56 |
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| 57 | self._operator = operator
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| 58 | self._left = left
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| 59 | self._right = right
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| 60 |
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| 61 | def evaluate(self, config):
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| 62 | if self._operator == '&':
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| 63 | return self._left.evaluate(config) and \
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| 64 | self._right.evaluate(config)
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| 65 | if self._operator == '|':
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| 66 | return self._left.evaluate(config) or \
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| 67 | self._right.evaluate(config)
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| 68 |
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| 69 | # '=' or '!='
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| 70 | if not self._left in config:
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| 71 | config_val = ''
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| 72 | else:
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| 73 | config_val = config[self._left]
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| 74 | if config_val == '*':
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| 75 | config_val = 'y'
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| 76 |
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| 77 | if self._operator == '=':
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| 78 | return self._right == config_val
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| 79 | return self._right != config_val
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| 80 |
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| 81 | # Expression parser
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| 82 | class CondParser:
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| 83 | TOKEN_EOE = 0
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| 84 | TOKEN_SPECIAL = 1
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| 85 | TOKEN_STRING = 2
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| 86 |
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| 87 | def __init__(self, text):
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| 88 | self._text = text
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| 89 |
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| 90 | def parse(self):
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| 91 | self._position = -1
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| 92 | self._next_char()
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| 93 | self._next_token()
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| 94 |
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| 95 | res = self._parse_expr()
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| 96 | if self._token_type != self.TOKEN_EOE:
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| 97 | self._error("Expected end of expression")
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| 98 | return res
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| 99 |
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| 100 | def _next_char(self):
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| 101 | self._position += 1
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| 102 | if self._position >= len(self._text):
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| 103 | self._char = None
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| 104 | else:
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| 105 | self._char = self._text[self._position]
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| 106 | self._is_special_char = self._char in \
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| 107 | ('&', '|', '=', '!', '(', ')')
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| 108 |
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| 109 | def _error(self, msg):
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| 110 | raise RuntimeError("Error parsing expression: %s:\n%s\n%s^" %
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| 111 | (msg, self._text, " " * self._token_position))
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| 112 |
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| 113 | def _next_token(self):
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| 114 | self._token_position = self._position
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| 115 |
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| 116 | # End of expression
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| 117 | if self._char == None:
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| 118 | self._token = None
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| 119 | self._token_type = self.TOKEN_EOE
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| 120 | return
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| 121 |
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| 122 | # '&', '|', '=', '!=', '(', ')'
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| 123 | if self._is_special_char:
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| 124 | self._token = self._char
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| 125 | self._next_char()
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| 126 | if self._token == '!':
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| 127 | if self._char != '=':
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| 128 | self._error("Expected '='")
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| 129 | self._token += self._char
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| 130 | self._next_char()
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| 131 | self._token_type = self.TOKEN_SPECIAL
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| 132 | return
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| 133 |
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| 134 | # <var> or <val>
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| 135 | self._token = ''
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| 136 | self._token_type = self.TOKEN_STRING
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| 137 | while True:
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| 138 | self._token += self._char
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| 139 | self._next_char()
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| 140 | if self._is_special_char or self._char == None:
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| 141 | break
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| 142 |
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| 143 | def _parse_expr(self):
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| 144 | """ <expr> ::= <or_expr> ('&' <or_expr>)* """
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| 145 |
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| 146 | left = self._parse_or_expr()
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| 147 | while self._token == '&':
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| 148 | self._next_token()
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| 149 | left = BinaryOp('&', left, self._parse_or_expr())
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| 150 | return left
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| 151 |
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| 152 | def _parse_or_expr(self):
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| 153 | """ <or_expr> ::= <factor> ('|' <factor>)* """
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| 154 |
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| 155 | left = self._parse_factor()
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| 156 | while self._token == '|':
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| 157 | self._next_token()
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| 158 | left = BinaryOp('|', left, self._parse_factor())
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| 159 | return left
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| 160 |
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| 161 | def _parse_factor(self):
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| 162 | """ <factor> ::= <var> <cond> | '(' <expr> ')' """
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| 163 |
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| 164 | if self._token == '(':
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| 165 | self._next_token()
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| 166 | res = self._parse_expr()
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| 167 | if self._token != ')':
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| 168 | self._error("Expected ')'")
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| 169 | self._next_token()
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| 170 | return res
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| 171 |
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| 172 | if self._token_type == self.TOKEN_STRING:
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| 173 | var = self._token
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| 174 | self._next_token()
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| 175 | return self._parse_cond(var)
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| 176 |
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| 177 | self._error("Expected '(' or <var>")
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| 178 |
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| 179 | def _parse_cond(self, var):
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| 180 | """ <cond> ::= '=' <val> | '!=' <val> """
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| 181 |
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| 182 | if self._token not in ('=', '!='):
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| 183 | self._error("Expected '=' or '!='")
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| 184 |
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| 185 | oper = self._token
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| 186 | self._next_token()
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| 187 |
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| 188 | if self._token_type != self.TOKEN_STRING:
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| 189 | self._error("Expected <val>")
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| 190 |
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| 191 | val = self._token
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| 192 | self._next_token()
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| 193 |
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| 194 | return BinaryOp(oper, var, val)
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| 195 |
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| 196 | def read_config(fname, config):
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| 197 | "Read saved values from last configuration run or a preset file"
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| 198 |
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| 199 | inf = open(fname, 'r')
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| 200 |
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| 201 | for line in inf:
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| 202 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line)
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| 203 | if res:
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| 204 | config[res.group(1)] = res.group(2)
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| 205 |
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| 206 | inf.close()
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| 207 |
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| 208 | def parse_rules(fname, rules):
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| 209 | "Parse rules file"
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| 210 |
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| 211 | inf = open(fname, 'r')
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| 212 |
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| 213 | name = ''
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| 214 | choices = []
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| 215 |
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| 216 | for line in inf:
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| 217 |
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| 218 | if line.startswith('!'):
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| 219 | # Ask a question
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| 220 | res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line)
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| 221 |
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| 222 | if not res:
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| 223 | raise RuntimeError("Weird line: %s" % line)
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| 224 |
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| 225 | cond = res.group(1)
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| 226 | if cond:
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| 227 | cond = CondParser(cond).parse()
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| 228 | varname = res.group(2)
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| 229 | vartype = res.group(3)
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| 230 |
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| 231 | rules.append((varname, vartype, name, choices, cond))
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| 232 | name = ''
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| 233 | choices = []
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| 234 | continue
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| 235 |
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| 236 | if line.startswith('@'):
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| 237 | # Add new line into the 'choices' array
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| 238 | res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line)
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| 239 |
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| 240 | if not res:
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| 241 | raise RuntimeError("Bad line: %s" % line)
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| 242 |
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| 243 | choices.append((res.group(2), res.group(3)))
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| 244 | continue
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| 245 |
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| 246 | if line.startswith('%'):
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| 247 | # Name of the option
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| 248 | name = line[1:].strip()
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| 249 | continue
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| 250 |
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| 251 | if line.startswith('#') or (line == '\n'):
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| 252 | # Comment or empty line
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| 253 | continue
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| 254 |
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| 255 |
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| 256 | raise RuntimeError("Unknown syntax: %s" % line)
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| 257 |
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| 258 | inf.close()
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| 259 |
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| 260 | def yes_no(default):
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| 261 | "Return '*' if yes, ' ' if no"
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| 262 |
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| 263 | if default == 'y':
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| 264 | return '*'
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| 265 |
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| 266 | return ' '
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| 267 |
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| 268 | def subchoice(screen, name, choices, default):
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| 269 | "Return choice of choices"
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| 270 |
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| 271 | maxkey = 0
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| 272 | for key, val in choices:
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| 273 | length = len(key)
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| 274 | if (length > maxkey):
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| 275 | maxkey = length
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| 276 |
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| 277 | options = []
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| 278 | position = None
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| 279 | cnt = 0
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| 280 | for key, val in choices:
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| 281 | if (default) and (key == default):
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| 282 | position = cnt
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| 283 |
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| 284 | options.append(" %-*s %s " % (maxkey, key, val))
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| 285 | cnt += 1
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| 286 |
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| 287 | (button, value) = xtui.choice_window(screen, name, 'Choose value', options, position)
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| 288 |
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| 289 | if button == 'cancel':
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| 290 | return None
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| 291 |
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| 292 | return choices[value][0]
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| 293 |
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| 294 | ## Infer and verify configuration values.
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| 295 | #
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| 296 | # Augment @a config with values that can be inferred, purge invalid ones
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| 297 | # and verify that all variables have a value (previously specified or inferred).
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| 298 | #
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| 299 | # @param config Configuration to work on
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| 300 | # @param rules Rules
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| 301 | #
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| 302 | # @return True if configuration is complete and valid, False
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| 303 | # otherwise.
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| 304 | #
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| 305 | def infer_verify_choices(config, rules):
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| 306 | "Infer and verify configuration values."
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| 307 |
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| 308 | for rule in rules:
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| 309 | varname, vartype, name, choices, cond = rule
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| 310 |
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| 311 | if cond and not cond.evaluate(config):
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| 312 | continue
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| 313 |
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| 314 | if not varname in config:
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| 315 | value = None
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| 316 | else:
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| 317 | value = config[varname]
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| 318 |
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| 319 | if not validate_rule_value(rule, value):
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| 320 | value = None
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| 321 |
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| 322 | default = get_default_rule(rule)
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| 323 |
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| 324 | #
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| 325 | # If we don't have a value but we do have
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| 326 | # a default, use it.
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| 327 | #
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| 328 | if value == None and default != None:
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| 329 | value = default
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| 330 | config[varname] = default
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| 331 |
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| 332 | if not varname in config:
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| 333 | return False
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| 334 |
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| 335 | return True
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| 336 |
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| 337 | ## Fill the configuration with random (but valid) values.
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| 338 | #
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| 339 | # The random selection takes next rule and if the condition does
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| 340 | # not violate existing configuration, random value of the variable
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| 341 | # is selected.
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| 342 | # This happens recursively as long as there are more rules.
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| 343 | # If a conflict is found, we backtrack and try other settings of the
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| 344 | # variable or ignoring the variable altogether.
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| 345 | #
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| 346 | # @param config Configuration to work on
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| 347 | # @param rules Rules
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| 348 | # @param start_index With which rule to start (initial call must specify 0 here).
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| 349 | # @return True if able to find a valid configuration
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| 350 | def random_choices(config, rules, start_index):
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| 351 | "Fill the configuration with random (but valid) values."
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| 352 | if start_index >= len(rules):
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| 353 | return True
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| 354 |
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| 355 | varname, vartype, name, choices, cond = rules[start_index]
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| 356 |
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| 357 | # First check that this rule would make sense
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| 358 | if cond and not cond.evaluate(config):
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| 359 | return random_choices(config, rules, start_index + 1)
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| 360 |
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| 361 | # Remember previous choices for backtracking
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| 362 | yes_no = 0
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| 363 | choices_indexes = range(0, len(choices))
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| 364 | random.shuffle(choices_indexes)
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| 365 |
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| 366 | # Remember current configuration value
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| 367 | old_value = None
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| 368 | try:
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| 369 | old_value = config[varname]
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| 370 | except KeyError:
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| 371 | old_value = None
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| 372 |
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| 373 | # For yes/no choices, we ran the loop at most 2 times, for select
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| 374 | # choices as many times as there are options.
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| 375 | try_counter = 0
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| 376 | while True:
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| 377 | if vartype == 'choice':
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| 378 | if try_counter >= len(choices_indexes):
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| 379 | break
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| 380 | value = choices[choices_indexes[try_counter]][0]
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| 381 | elif vartype == 'y' or vartype == 'n':
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| 382 | if try_counter > 0:
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| 383 | break
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| 384 | value = vartype
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| 385 | elif vartype == 'y/n' or vartype == 'n/y':
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| 386 | if try_counter == 0:
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| 387 | yes_no = random.randint(0, 1)
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| 388 | elif try_counter == 1:
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| 389 | yes_no = 1 - yes_no
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| 390 | else:
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| 391 | break
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| 392 | if yes_no == 0:
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| 393 | value = 'n'
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| 394 | else:
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| 395 | value = 'y'
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| 396 | else:
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| 397 | raise RuntimeError("Unknown variable type: %s" % vartype)
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| 398 |
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| 399 | config[varname] = value
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| 400 |
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| 401 | ok = random_choices(config, rules, start_index + 1)
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| 402 | if ok:
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| 403 | return True
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| 404 |
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| 405 | try_counter = try_counter + 1
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| 406 |
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| 407 | # Restore the old value and backtrack
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| 408 | # (need to delete to prevent "ghost" variables that do not exist under
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| 409 | # certain configurations)
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| 410 | config[varname] = old_value
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| 411 | if old_value is None:
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| 412 | del config[varname]
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| 413 |
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| 414 | return random_choices(config, rules, start_index + 1)
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| 415 |
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| 416 |
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| 417 | ## Get default value from a rule.
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| 418 | def get_default_rule(rule):
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| 419 | varname, vartype, name, choices, cond = rule
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| 420 |
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| 421 | default = None
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| 422 |
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| 423 | if vartype == 'choice':
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| 424 | # If there is just one option, use it
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| 425 | if len(choices) == 1:
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| 426 | default = choices[0][0]
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| 427 | elif vartype == 'y':
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| 428 | default = '*'
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| 429 | elif vartype == 'n':
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| 430 | default = 'n'
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| 431 | elif vartype == 'y/n':
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| 432 | default = 'y'
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| 433 | elif vartype == 'n/y':
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| 434 | default = 'n'
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| 435 | else:
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| 436 | raise RuntimeError("Unknown variable type: %s" % vartype)
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| 437 |
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| 438 | return default
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| 439 |
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| 440 | ## Get option from a rule.
|
|---|
| 441 | #
|
|---|
| 442 | # @param rule Rule for a variable
|
|---|
| 443 | # @param value Current value of the variable
|
|---|
| 444 | #
|
|---|
| 445 | # @return Option (string) to ask or None which means not to ask.
|
|---|
| 446 | #
|
|---|
| 447 | def get_rule_option(rule, value):
|
|---|
| 448 | varname, vartype, name, choices, cond = rule
|
|---|
| 449 |
|
|---|
| 450 | option = None
|
|---|
| 451 |
|
|---|
| 452 | if vartype == 'choice':
|
|---|
| 453 | # If there is just one option, don't ask
|
|---|
| 454 | if len(choices) != 1:
|
|---|
| 455 | if (value == None):
|
|---|
| 456 | option = "? %s --> " % name
|
|---|
| 457 | else:
|
|---|
| 458 | option = " %s [%s] --> " % (name, value)
|
|---|
| 459 | elif vartype == 'y':
|
|---|
| 460 | pass
|
|---|
| 461 | elif vartype == 'n':
|
|---|
| 462 | pass
|
|---|
| 463 | elif vartype == 'y/n':
|
|---|
| 464 | option = " <%s> %s " % (yes_no(value), name)
|
|---|
| 465 | elif vartype == 'n/y':
|
|---|
| 466 | option =" <%s> %s " % (yes_no(value), name)
|
|---|
| 467 | else:
|
|---|
| 468 | raise RuntimeError("Unknown variable type: %s" % vartype)
|
|---|
| 469 |
|
|---|
| 470 | return option
|
|---|
| 471 |
|
|---|
| 472 | ## Check if variable value is valid.
|
|---|
| 473 | #
|
|---|
| 474 | # @param rule Rule for the variable
|
|---|
| 475 | # @param value Value of the variable
|
|---|
| 476 | #
|
|---|
| 477 | # @return True if valid, False if not valid.
|
|---|
| 478 | #
|
|---|
| 479 | def validate_rule_value(rule, value):
|
|---|
| 480 | varname, vartype, name, choices, cond = rule
|
|---|
| 481 |
|
|---|
| 482 | if value == None:
|
|---|
| 483 | return True
|
|---|
| 484 |
|
|---|
| 485 | if vartype == 'choice':
|
|---|
| 486 | if not value in [choice[0] for choice in choices]:
|
|---|
| 487 | return False
|
|---|
| 488 | elif vartype == 'y':
|
|---|
| 489 | if value != 'y':
|
|---|
| 490 | return False
|
|---|
| 491 | elif vartype == 'n':
|
|---|
| 492 | if value != 'n':
|
|---|
| 493 | return False
|
|---|
| 494 | elif vartype == 'y/n':
|
|---|
| 495 | if not value in ['y', 'n']:
|
|---|
| 496 | return False
|
|---|
| 497 | elif vartype == 'n/y':
|
|---|
| 498 | if not value in ['y', 'n']:
|
|---|
| 499 | return False
|
|---|
| 500 | else:
|
|---|
| 501 | raise RuntimeError("Unknown variable type: %s" % vartype)
|
|---|
| 502 |
|
|---|
| 503 | return True
|
|---|
| 504 |
|
|---|
| 505 | def preprocess_config(config, rules):
|
|---|
| 506 | "Preprocess configuration"
|
|---|
| 507 |
|
|---|
| 508 | varname_mode = 'CONFIG_BFB_MODE'
|
|---|
| 509 | varname_width = 'CONFIG_BFB_WIDTH'
|
|---|
| 510 | varname_height = 'CONFIG_BFB_HEIGHT'
|
|---|
| 511 |
|
|---|
| 512 | if varname_mode in config:
|
|---|
| 513 | mode = config[varname_mode].partition('x')
|
|---|
| 514 |
|
|---|
| 515 | config[varname_width] = mode[0]
|
|---|
| 516 | rules.append((varname_width, 'choice', 'Default framebuffer width', None, None))
|
|---|
| 517 |
|
|---|
| 518 | config[varname_height] = mode[2]
|
|---|
| 519 | rules.append((varname_height, 'choice', 'Default framebuffer height', None, None))
|
|---|
| 520 |
|
|---|
| 521 | def create_output(mkname, mcname, config, rules):
|
|---|
| 522 | "Create output configuration"
|
|---|
| 523 |
|
|---|
| 524 | varname_strip = 'CONFIG_STRIP_REVISION_INFO'
|
|---|
| 525 | strip_rev_info = (varname_strip in config) and (config[varname_strip] == 'y')
|
|---|
| 526 |
|
|---|
| 527 | if strip_rev_info:
|
|---|
| 528 | timestamp_unix = int(0)
|
|---|
| 529 | else:
|
|---|
| 530 | # TODO: Use commit timestamp instead of build time.
|
|---|
| 531 | timestamp_unix = int(time.time())
|
|---|
| 532 |
|
|---|
| 533 | timestamp = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(timestamp_unix))
|
|---|
| 534 |
|
|---|
| 535 | sys.stderr.write("Fetching current revision identifier ... ")
|
|---|
| 536 |
|
|---|
| 537 | try:
|
|---|
| 538 | version = subprocess.Popen(['git', 'log', '-1', '--pretty=%h'], stdout = subprocess.PIPE).communicate()[0].decode().strip()
|
|---|
| 539 | sys.stderr.write("ok\n")
|
|---|
| 540 | except:
|
|---|
| 541 | version = None
|
|---|
| 542 | sys.stderr.write("failed\n")
|
|---|
| 543 |
|
|---|
| 544 | if (not strip_rev_info) and (version is not None):
|
|---|
| 545 | revision = version
|
|---|
| 546 | else:
|
|---|
| 547 | revision = None
|
|---|
| 548 |
|
|---|
| 549 | outmk = open(mkname, 'w')
|
|---|
| 550 | outmc = open(mcname, 'w')
|
|---|
| 551 |
|
|---|
| 552 | outmk.write('#########################################\n')
|
|---|
| 553 | outmk.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
|
|---|
| 554 | outmk.write('## Generated by: tools/config.py ##\n')
|
|---|
| 555 | outmk.write('#########################################\n\n')
|
|---|
| 556 |
|
|---|
| 557 | outmc.write('/***************************************\n')
|
|---|
| 558 | outmc.write(' * AUTO-GENERATED FILE, DO NOT EDIT!!! *\n')
|
|---|
| 559 | outmc.write(' * Generated by: tools/config.py *\n')
|
|---|
| 560 | outmc.write(' ***************************************/\n\n')
|
|---|
| 561 |
|
|---|
| 562 | defs = 'CONFIG_DEFS ='
|
|---|
| 563 |
|
|---|
| 564 | for varname, vartype, name, choices, cond in rules:
|
|---|
| 565 | if cond and not cond.evaluate(config):
|
|---|
| 566 | continue
|
|---|
| 567 |
|
|---|
| 568 | if not varname in config:
|
|---|
| 569 | value = ''
|
|---|
| 570 | else:
|
|---|
| 571 | value = config[varname]
|
|---|
| 572 | if (value == '*'):
|
|---|
| 573 | value = 'y'
|
|---|
| 574 |
|
|---|
| 575 | outmk.write('# %s\n%s = %s\n\n' % (name, varname, value))
|
|---|
| 576 |
|
|---|
| 577 | if vartype in ["y", "n", "y/n", "n/y"]:
|
|---|
| 578 | if value == "y":
|
|---|
| 579 | outmc.write('/* %s */\n#define %s\n\n' % (name, varname))
|
|---|
| 580 | defs += ' -D%s' % varname
|
|---|
| 581 | else:
|
|---|
| 582 | outmc.write('/* %s */\n#define %s %s\n#define %s_%s\n\n' % (name, varname, value, varname, value))
|
|---|
| 583 | defs += ' -D%s=%s -D%s_%s' % (varname, value, varname, value)
|
|---|
| 584 |
|
|---|
| 585 | if revision is not None:
|
|---|
| 586 | outmk.write('REVISION = %s\n' % revision)
|
|---|
| 587 | outmc.write('#define REVISION %s\n' % revision)
|
|---|
| 588 | defs += ' "-DREVISION=%s"' % revision
|
|---|
| 589 |
|
|---|
| 590 | outmk.write('TIMESTAMP_UNIX = %d\n' % timestamp_unix)
|
|---|
| 591 | outmc.write('#define TIMESTAMP_UNIX %d\n' % timestamp_unix)
|
|---|
| 592 | defs += ' "-DTIMESTAMP_UNIX=%d"' % timestamp_unix
|
|---|
| 593 |
|
|---|
| 594 | outmk.write('TIMESTAMP = %s\n' % timestamp)
|
|---|
| 595 | outmc.write('#define TIMESTAMP %s\n' % timestamp)
|
|---|
| 596 | defs += ' "-DTIMESTAMP=%s"' % timestamp
|
|---|
| 597 |
|
|---|
| 598 | outmk.write('%s\n' % defs)
|
|---|
| 599 |
|
|---|
| 600 | outmk.close()
|
|---|
| 601 | outmc.close()
|
|---|
| 602 |
|
|---|
| 603 | def sorted_dir(root):
|
|---|
| 604 | list = os.listdir(root)
|
|---|
| 605 | list.sort()
|
|---|
| 606 | return list
|
|---|
| 607 |
|
|---|
| 608 | ## Ask user to choose a configuration profile.
|
|---|
| 609 | #
|
|---|
| 610 | def choose_profile(root, fname, screen, config):
|
|---|
| 611 | options = []
|
|---|
| 612 | opt2path = {}
|
|---|
| 613 | cnt = 0
|
|---|
| 614 |
|
|---|
| 615 | # Look for profiles
|
|---|
| 616 | for name in sorted_dir(root):
|
|---|
| 617 | path = os.path.join(root, name)
|
|---|
| 618 | canon = os.path.join(path, fname)
|
|---|
| 619 |
|
|---|
| 620 | if os.path.isdir(path) and os.path.exists(canon) and os.path.isfile(canon):
|
|---|
| 621 | subprofile = False
|
|---|
| 622 |
|
|---|
| 623 | # Look for subprofiles
|
|---|
| 624 | for subname in sorted_dir(path):
|
|---|
| 625 | subpath = os.path.join(path, subname)
|
|---|
| 626 | subcanon = os.path.join(subpath, fname)
|
|---|
| 627 |
|
|---|
| 628 | if os.path.isdir(subpath) and os.path.exists(subcanon) and os.path.isfile(subcanon):
|
|---|
| 629 | subprofile = True
|
|---|
| 630 | options.append("%s (%s)" % (name, subname))
|
|---|
| 631 | opt2path[cnt] = [name, subname]
|
|---|
| 632 | cnt += 1
|
|---|
| 633 |
|
|---|
| 634 | if not subprofile:
|
|---|
| 635 | options.append(name)
|
|---|
| 636 | opt2path[cnt] = [name]
|
|---|
| 637 | cnt += 1
|
|---|
| 638 |
|
|---|
| 639 | (button, value) = xtui.choice_window(screen, 'Load preconfigured defaults', 'Choose configuration profile', options, None)
|
|---|
| 640 |
|
|---|
| 641 | if button == 'cancel':
|
|---|
| 642 | return None
|
|---|
| 643 |
|
|---|
| 644 | return opt2path[value]
|
|---|
| 645 |
|
|---|
| 646 | ## Read presets from a configuration profile.
|
|---|
| 647 | #
|
|---|
| 648 | # @param profile Profile to load from (a list of string components)
|
|---|
| 649 | # @param config Output configuration
|
|---|
| 650 | #
|
|---|
| 651 | def read_presets(profile, config):
|
|---|
| 652 | path = os.path.join(PRESETS_DIR, profile[0], MAKEFILE)
|
|---|
| 653 | read_config(path, config)
|
|---|
| 654 |
|
|---|
| 655 | if len(profile) > 1:
|
|---|
| 656 | path = os.path.join(PRESETS_DIR, profile[0], profile[1], MAKEFILE)
|
|---|
| 657 | read_config(path, config)
|
|---|
| 658 |
|
|---|
| 659 | ## Parse profile name (relative OS path) into a list of components.
|
|---|
| 660 | #
|
|---|
| 661 | # @param profile_name Relative path (using OS separator)
|
|---|
| 662 | # @return List of components
|
|---|
| 663 | #
|
|---|
| 664 | def parse_profile_name(profile_name):
|
|---|
| 665 | profile = []
|
|---|
| 666 |
|
|---|
| 667 | head, tail = os.path.split(profile_name)
|
|---|
| 668 | if head != '':
|
|---|
| 669 | profile.append(head)
|
|---|
| 670 |
|
|---|
| 671 | profile.append(tail)
|
|---|
| 672 | return profile
|
|---|
| 673 |
|
|---|
| 674 | def main():
|
|---|
| 675 | profile = None
|
|---|
| 676 | config = {}
|
|---|
| 677 | rules = []
|
|---|
| 678 |
|
|---|
| 679 | # Parse rules file
|
|---|
| 680 | parse_rules(RULES_FILE, rules)
|
|---|
| 681 |
|
|---|
| 682 | if len(sys.argv) > ARGPOS_CHOICE:
|
|---|
| 683 | choice = sys.argv[ARGPOS_CHOICE]
|
|---|
| 684 | else:
|
|---|
| 685 | choice = None
|
|---|
| 686 |
|
|---|
| 687 | if len(sys.argv) > ARGPOS_PRESET:
|
|---|
| 688 | preset = sys.argv[ARGPOS_PRESET]
|
|---|
| 689 | else:
|
|---|
| 690 | preset = None
|
|---|
| 691 |
|
|---|
| 692 | # Input configuration file can be specified on command line
|
|---|
| 693 | # otherwise configuration from previous run is used.
|
|---|
| 694 | if preset is not None:
|
|---|
| 695 | profile = parse_profile_name(preset)
|
|---|
| 696 | read_presets(profile, config)
|
|---|
| 697 | elif os.path.exists(MAKEFILE):
|
|---|
| 698 | read_config(MAKEFILE, config)
|
|---|
| 699 |
|
|---|
| 700 | # Default mode: check values and regenerate configuration files
|
|---|
| 701 | if choice == 'default':
|
|---|
| 702 | if (infer_verify_choices(config, rules)):
|
|---|
| 703 | preprocess_config(config, rules)
|
|---|
| 704 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 705 | return 0
|
|---|
| 706 |
|
|---|
| 707 | # Hands-off mode: check values and regenerate configuration files,
|
|---|
| 708 | # but no interactive fallback
|
|---|
| 709 | if choice == 'hands-off':
|
|---|
| 710 | # We deliberately test this because we do not want
|
|---|
| 711 | # to read implicitly any possible previous run configuration
|
|---|
| 712 | if preset is None:
|
|---|
| 713 | sys.stderr.write("Configuration error: No presets specified\n")
|
|---|
| 714 | return 2
|
|---|
| 715 |
|
|---|
| 716 | if (infer_verify_choices(config, rules)):
|
|---|
| 717 | preprocess_config(config, rules)
|
|---|
| 718 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 719 | return 0
|
|---|
| 720 |
|
|---|
| 721 | sys.stderr.write("Configuration error: The presets are ambiguous\n")
|
|---|
| 722 | return 1
|
|---|
| 723 |
|
|---|
| 724 | # Check mode: only check configuration
|
|---|
| 725 | if choice == 'check':
|
|---|
| 726 | if infer_verify_choices(config, rules):
|
|---|
| 727 | return 0
|
|---|
| 728 | return 1
|
|---|
| 729 |
|
|---|
| 730 | # Random mode
|
|---|
| 731 | if choice == 'random':
|
|---|
| 732 | ok = random_choices(config, rules, 0)
|
|---|
| 733 | if not ok:
|
|---|
| 734 | sys.stderr.write("Internal error: unable to generate random config.\n")
|
|---|
| 735 | return 2
|
|---|
| 736 | if not infer_verify_choices(config, rules):
|
|---|
| 737 | sys.stderr.write("Internal error: random configuration not consistent.\n")
|
|---|
| 738 | return 2
|
|---|
| 739 | preprocess_config(config, rules)
|
|---|
| 740 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 741 |
|
|---|
| 742 | return 0
|
|---|
| 743 |
|
|---|
| 744 | screen = xtui.screen_init()
|
|---|
| 745 | try:
|
|---|
| 746 | selname = None
|
|---|
| 747 | position = None
|
|---|
| 748 | while True:
|
|---|
| 749 |
|
|---|
| 750 | # Cancel out all values which have to be deduced
|
|---|
| 751 | for varname, vartype, name, choices, cond in rules:
|
|---|
| 752 | if (vartype == 'y') and (varname in config) and (config[varname] == '*'):
|
|---|
| 753 | config[varname] = None
|
|---|
| 754 |
|
|---|
| 755 | options = []
|
|---|
| 756 | opt2row = {}
|
|---|
| 757 | cnt = 1
|
|---|
| 758 |
|
|---|
| 759 | options.append(" --- Load preconfigured defaults ... ")
|
|---|
| 760 |
|
|---|
| 761 | for rule in rules:
|
|---|
| 762 | varname, vartype, name, choices, cond = rule
|
|---|
| 763 |
|
|---|
| 764 | if cond and not cond.evaluate(config):
|
|---|
| 765 | continue
|
|---|
| 766 |
|
|---|
| 767 | if varname == selname:
|
|---|
| 768 | position = cnt
|
|---|
| 769 |
|
|---|
| 770 | if not varname in config:
|
|---|
| 771 | value = None
|
|---|
| 772 | else:
|
|---|
| 773 | value = config[varname]
|
|---|
| 774 |
|
|---|
| 775 | if not validate_rule_value(rule, value):
|
|---|
| 776 | value = None
|
|---|
| 777 |
|
|---|
| 778 | default = get_default_rule(rule)
|
|---|
| 779 |
|
|---|
| 780 | #
|
|---|
| 781 | # If we don't have a value but we do have
|
|---|
| 782 | # a default, use it.
|
|---|
| 783 | #
|
|---|
| 784 | if value == None and default != None:
|
|---|
| 785 | value = default
|
|---|
| 786 | config[varname] = default
|
|---|
| 787 |
|
|---|
| 788 | option = get_rule_option(rule, value)
|
|---|
| 789 | if option != None:
|
|---|
| 790 | options.append(option)
|
|---|
| 791 | else:
|
|---|
| 792 | continue
|
|---|
| 793 |
|
|---|
| 794 | opt2row[cnt] = (varname, vartype, name, choices)
|
|---|
| 795 |
|
|---|
| 796 | cnt += 1
|
|---|
| 797 |
|
|---|
| 798 | if (position != None) and (position >= len(options)):
|
|---|
| 799 | position = None
|
|---|
| 800 |
|
|---|
| 801 | (button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position)
|
|---|
| 802 |
|
|---|
| 803 | if button == 'cancel':
|
|---|
| 804 | return 'Configuration canceled'
|
|---|
| 805 |
|
|---|
| 806 | if button == 'done':
|
|---|
| 807 | if (infer_verify_choices(config, rules)):
|
|---|
| 808 | break
|
|---|
| 809 | else:
|
|---|
| 810 | xtui.error_dialog(screen, 'Error', 'Some options have still undefined values. These options are marked with the "?" sign.')
|
|---|
| 811 | continue
|
|---|
| 812 |
|
|---|
| 813 | if value == 0:
|
|---|
| 814 | profile = choose_profile(PRESETS_DIR, MAKEFILE, screen, config)
|
|---|
| 815 | if profile != None:
|
|---|
| 816 | read_presets(profile, config)
|
|---|
| 817 | position = 1
|
|---|
| 818 | continue
|
|---|
| 819 |
|
|---|
| 820 | position = None
|
|---|
| 821 | if not value in opt2row:
|
|---|
| 822 | raise RuntimeError("Error selecting value: %s" % value)
|
|---|
| 823 |
|
|---|
| 824 | (selname, seltype, name, choices) = opt2row[value]
|
|---|
| 825 |
|
|---|
| 826 | if not selname in config:
|
|---|
| 827 | value = None
|
|---|
| 828 | else:
|
|---|
| 829 | value = config[selname]
|
|---|
| 830 |
|
|---|
| 831 | if seltype == 'choice':
|
|---|
| 832 | config[selname] = subchoice(screen, name, choices, value)
|
|---|
| 833 | elif (seltype == 'y/n') or (seltype == 'n/y'):
|
|---|
| 834 | if config[selname] == 'y':
|
|---|
| 835 | config[selname] = 'n'
|
|---|
| 836 | else:
|
|---|
| 837 | config[selname] = 'y'
|
|---|
| 838 | finally:
|
|---|
| 839 | xtui.screen_done(screen)
|
|---|
| 840 |
|
|---|
| 841 | preprocess_config(config, rules)
|
|---|
| 842 | create_output(MAKEFILE, MACROS, config, rules)
|
|---|
| 843 | return 0
|
|---|
| 844 |
|
|---|
| 845 | if __name__ == '__main__':
|
|---|
| 846 | sys.exit(main())
|
|---|
