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BaseTools: use new shared GUID regular expressions
[mirror_edk2.git] / BaseTools / Source / Python / Common / Expression.py
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0d2711a6
LG		 1## @file\r
2# This file is used to parse and evaluate expression in directive or PCD value.\r
3#\r
35f613d9 4# Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r
0d2711a6
LG		 5# This program and the accompanying materials\r
6# are licensed and made available under the terms and conditions of the BSD License\r
7# which accompanies this distribution. The full text of the license may be found at\r
8# http://opensource.org/licenses/bsd-license.php\r
9#\r
10# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13## Import Modules\r
14#\r
15from Common.GlobalData import *\r
16from CommonDataClass.Exceptions import BadExpression\r
0d2711a6 17from CommonDataClass.Exceptions import WrnExpression\r
8565b582 18from Misc import GuidStringToGuidStructureString, ParseFieldValue, IsFieldValueAnArray\r
726c501c
YZ		 19import Common.EdkLogger as EdkLogger\r
20import copy\r
0d2711a6
LG		 21\r
22ERR_STRING_EXPR = 'This operator cannot be used in string expression: [%s].'\r
23ERR_SNYTAX = 'Syntax error, the rest of expression cannot be evaluated: [%s].'\r
24ERR_MATCH = 'No matching right parenthesis.'\r
25ERR_STRING_TOKEN = 'Bad string token: [%s].'\r
26ERR_MACRO_TOKEN = 'Bad macro token: [%s].'\r
27ERR_EMPTY_TOKEN = 'Empty token is not allowed.'\r
28ERR_PCD_RESOLVE = 'PCD token cannot be resolved: [%s].'\r
29ERR_VALID_TOKEN = 'No more valid token found from rest of string: [%s].'\r
30ERR_EXPR_TYPE = 'Different types found in expression.'\r
31ERR_OPERATOR_UNSUPPORT = 'Unsupported operator: [%s]'\r
32ERR_REL_NOT_IN = 'Expect "IN" after "not" operator.'\r
33WRN_BOOL_EXPR = 'Operand of boolean type cannot be used in arithmetic expression.'\r
34WRN_EQCMP_STR_OTHERS = '== Comparison between Operand of string type and Boolean/Number Type always return False.'\r
35WRN_NECMP_STR_OTHERS = '!= Comparison between Operand of string type and Boolean/Number Type always return True.'\r
36ERR_RELCMP_STR_OTHERS = 'Operator taking Operand of string type and Boolean/Number Type is not allowed: [%s].'\r
37ERR_STRING_CMP = 'Unicode string and general string cannot be compared: [%s %s %s]'\r
38ERR_ARRAY_TOKEN = 'Bad C array or C format GUID token: [%s].'\r
39ERR_ARRAY_ELE = 'This must be HEX value for NList or Array: [%s].'\r
d0acc87a 40ERR_EMPTY_EXPR = 'Empty expression is not allowed.'\r
64b2609f 41ERR_IN_OPERAND = 'Macro after IN operator can only be: $(FAMILY), $(ARCH), $(TOOL_CHAIN_TAG) and $(TARGET).'\r
0d2711a6 42\r
1f901a89
CJ		 43__ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')\r
44\r
0d2711a6
LG		 45## SplitString\r
46# Split string to list according double quote\r
47# For example: abc"de\"f"ghi"jkl"mn will be: ['abc', '"de\"f"', 'ghi', '"jkl"', 'mn']\r
48#\r
49def SplitString(String):\r
ea927d2f 50 # There might be escaped quote: "abc\"def\\\"ghi", 'abc\'def\\\'ghi'\r
0d2711a6 51 RetList = []\r
ea927d2f
FY		 52 InSingleQuote = False\r
53 InDoubleQuote = False\r
0d2711a6 54 Item = ''\r
ae4cc2b0 55 for i, ch in enumerate(String):\r
ea927d2f 56 if ch == '"' and not InSingleQuote:\r
ae4cc2b0 57 if String[i - 1] != '\\':\r
ea927d2f
FY		 58 InDoubleQuote = not InDoubleQuote\r
59 if not InDoubleQuote:\r
60 Item += String[i]\r
61 RetList.append(Item)\r
62 Item = ''\r
63 continue\r
64 if Item:\r
65 RetList.append(Item)\r
66 Item = ''\r
67 elif ch == "'" and not InDoubleQuote:\r
ae4cc2b0 68 if String[i - 1] != '\\':\r
ea927d2f
FY		 69 InSingleQuote = not InSingleQuote\r
70 if not InSingleQuote:\r
0d2711a6
LG		 71 Item += String[i]\r
72 RetList.append(Item)\r
73 Item = ''\r
74 continue\r
75 if Item:\r
76 RetList.append(Item)\r
77 Item = ''\r
78 Item += String[i]\r
ea927d2f 79 if InSingleQuote or InDoubleQuote:\r
0d2711a6
LG		 80 raise BadExpression(ERR_STRING_TOKEN % Item)\r
81 if Item:\r
82 RetList.append(Item)\r
83 return RetList\r
84\r
3be421e9
FY		 85def SplitPcdValueString(String):\r
86 # There might be escaped comma in GUID() or DEVICE_PATH() or " "\r
87 # or ' ' or L' ' or L" "\r
3be421e9
FY		 88 RetList = []\r
89 InParenthesis = 0\r
90 InSingleQuote = False\r
91 InDoubleQuote = False\r
92 Item = ''\r
ae4cc2b0 93 for i, ch in enumerate(String):\r
3be421e9
FY		 94 if ch == '(':\r
95 InParenthesis += 1\r
3e8bab96 96 elif ch == ')':\r
3be421e9
FY		 97 if InParenthesis:\r
98 InParenthesis -= 1\r
99 else:\r
100 raise BadExpression(ERR_STRING_TOKEN % Item)\r
3e8bab96 101 elif ch == '"' and not InSingleQuote:\r
3be421e9
FY		 102 if String[i-1] != '\\':\r
103 InDoubleQuote = not InDoubleQuote\r
3e8bab96 104 elif ch == "'" and not InDoubleQuote:\r
3be421e9
FY		 105 if String[i-1] != '\\':\r
106 InSingleQuote = not InSingleQuote\r
3e8bab96 107 elif ch == ',':\r
3be421e9
FY		 108 if InParenthesis or InSingleQuote or InDoubleQuote:\r
109 Item += String[i]\r
110 continue\r
111 elif Item:\r
112 RetList.append(Item)\r
113 Item = ''\r
114 continue\r
115 Item += String[i]\r
116 if InSingleQuote or InDoubleQuote or InParenthesis:\r
117 raise BadExpression(ERR_STRING_TOKEN % Item)\r
118 if Item:\r
119 RetList.append(Item)\r
120 return RetList\r
121\r
1f901a89
CJ		 122def IsValidCName(Str):\r
123 return True if __ValidString.match(Str) else False\r
5ac0a545 124\r
8565b582 125def BuildOptionValue(PcdValue, GuidDict):\r
8565b582
YZ		 126 if PcdValue.startswith('H'):\r
127 InputValue = PcdValue[1:]\r
128 elif PcdValue.startswith("L'") or PcdValue.startswith("'"):\r
129 InputValue = PcdValue\r
130 elif PcdValue.startswith('L'):\r
131 InputValue = 'L"' + PcdValue[1:] + '"'\r
132 else:\r
133 InputValue = PcdValue\r
134 if IsFieldValueAnArray(InputValue):\r
8565b582
YZ		 135 try:\r
136 PcdValue = ValueExpressionEx(InputValue, 'VOID*', GuidDict)(True)\r
137 except:\r
138 pass\r
139 return PcdValue\r
140\r
0d2711a6
LG		 141## ReplaceExprMacro\r
142#\r
143def ReplaceExprMacro(String, Macros, ExceptionList = None):\r
144 StrList = SplitString(String)\r
145 for i, String in enumerate(StrList):\r
146 InQuote = False\r
147 if String.startswith('"'):\r
148 InQuote = True\r
149 MacroStartPos = String.find('$(')\r
150 if MacroStartPos < 0:\r
c8d07c5e
YZ		 151 for Pcd in gPlatformPcds.keys():\r
152 if Pcd in String:\r
153 if Pcd not in gConditionalPcds:\r
154 gConditionalPcds.append(Pcd)\r
0d2711a6
LG		 155 continue\r
156 RetStr = ''\r
157 while MacroStartPos >= 0:\r
158 RetStr = String[0:MacroStartPos]\r
159 MacroEndPos = String.find(')', MacroStartPos)\r
160 if MacroEndPos < 0:\r
161 raise BadExpression(ERR_MACRO_TOKEN % String[MacroStartPos:])\r
162 Macro = String[MacroStartPos+2:MacroEndPos]\r
163 if Macro not in Macros:\r
164 # From C reference manual:\r
165 # If an undefined macro name appears in the constant-expression of\r
166 # !if or !elif, it is replaced by the integer constant 0.\r
167 RetStr += '0'\r
64b2609f
LG		 168 elif not InQuote:\r
169 Tklst = RetStr.split()\r
170 if Tklst and Tklst[-1] in ['IN', 'in'] and ExceptionList and Macro not in ExceptionList:\r
171 raise BadExpression(ERR_IN_OPERAND)\r
0d2711a6
LG		 172 # Make sure the macro in exception list is encapsulated by double quote\r
173 # For example: DEFINE ARCH = IA32 X64\r
174 # $(ARCH) is replaced with "IA32 X64"\r
64b2609f
LG		 175 if ExceptionList and Macro in ExceptionList:\r
176 RetStr += '"' + Macros[Macro] + '"'\r
177 elif Macros[Macro].strip():\r
0d2711a6
LG		 178 RetStr += Macros[Macro]\r
179 else:\r
180 RetStr += '""'\r
64b2609f
LG		 181 else:\r
182 RetStr += Macros[Macro]\r
0d2711a6
LG		 183 RetStr += String[MacroEndPos+1:]\r
184 String = RetStr\r
185 MacroStartPos = String.find('$(')\r
186 StrList[i] = RetStr\r
187 return ''.join(StrList)\r
188\r
726c501c
YZ		 189# transfer int to string for in/not in expression\r
190def IntToStr(Value):\r
191 StrList = []\r
192 while Value > 0:\r
193 StrList.append(chr(Value & 0xff))\r
194 Value = Value >> 8\r
195 Value = '"' + ''.join(StrList) + '"'\r
196 return Value\r
197\r
64b2609f
LG		 198SupportedInMacroList = ['TARGET', 'TOOL_CHAIN_TAG', 'ARCH', 'FAMILY']\r
199\r
0d2711a6
LG		 200class ValueExpression(object):\r
201 # Logical operator mapping\r
202 LogicalOperators = {\r
203 '&&' : 'and', '||' : 'or',\r
204 '!' : 'not', 'AND': 'and',\r
205 'OR' : 'or' , 'NOT': 'not',\r
206 'XOR': '^' , 'xor': '^',\r
207 'EQ' : '==' , 'NE' : '!=',\r
208 'GT' : '>' , 'LT' : '<',\r
209 'GE' : '>=' , 'LE' : '<=',\r
210 'IN' : 'in'\r
211 }\r
212\r
bc0d7233 213 NonLetterOpLst = ['+', '-', '*', '/', '%', '&', '|', '^', '~', '<<', '>>', '!', '=', '>', '<', '?', ':']\r
0d2711a6
LG		 214\r
215 PcdPattern = re.compile(r'[_a-zA-Z][0-9A-Za-z_]*\.[_a-zA-Z][0-9A-Za-z_]*$')\r
216 HexPattern = re.compile(r'0[xX][0-9a-fA-F]+$')\r
0d2711a6
LG		 217\r
218 SymbolPattern = re.compile("("\r
219 "\$\([A-Z][A-Z0-9_]*\)|\$\(\w+\.\w+\)|\w+\.\w+|"\r
220 "&&|\|\||!(?!=)|"\r
221 "(?<=\W)AND(?=\W)|(?<=\W)OR(?=\W)|(?<=\W)NOT(?=\W)|(?<=\W)XOR(?=\W)|"\r
222 "(?<=\W)EQ(?=\W)|(?<=\W)NE(?=\W)|(?<=\W)GT(?=\W)|(?<=\W)LT(?=\W)|(?<=\W)GE(?=\W)|(?<=\W)LE(?=\W)"\r
223 ")")\r
224\r
225 @staticmethod\r
226 def Eval(Operator, Oprand1, Oprand2 = None):\r
227 WrnExp = None\r
d0acc87a 228\r
9efe8d60
YF		 229 if Operator not in ["==", "!=", ">=", "<=", ">", "<", "in", "not in"] and \\r
230 (type(Oprand1) == type('') or type(Oprand2) == type('')):\r
231 raise BadExpression(ERR_STRING_EXPR % Operator)\r
726c501c
YZ		 232 if Operator in ['in', 'not in']:\r
233 if type(Oprand1) != type(''):\r
234 Oprand1 = IntToStr(Oprand1)\r
235 if type(Oprand2) != type(''):\r
236 Oprand2 = IntToStr(Oprand2)\r
0d2711a6
LG		 237 TypeDict = {\r
238 type(0) : 0,\r
239 type(0L) : 0,\r
240 type('') : 1,\r
241 type(True) : 2\r
242 }\r
243\r
244 EvalStr = ''\r
245 if Operator in ["!", "NOT", "not"]:\r
246 if type(Oprand1) == type(''):\r
247 raise BadExpression(ERR_STRING_EXPR % Operator)\r
248 EvalStr = 'not Oprand1'\r
5e06f1a0
YZ		 249 elif Operator in ["~"]:\r
250 if type(Oprand1) == type(''):\r
251 raise BadExpression(ERR_STRING_EXPR % Operator)\r
252 EvalStr = '~ Oprand1'\r
0d2711a6
LG		 253 else:\r
254 if Operator in ["+", "-"] and (type(True) in [type(Oprand1), type(Oprand2)]):\r
255 # Boolean in '+'/'-' will be evaluated but raise warning\r
256 WrnExp = WrnExpression(WRN_BOOL_EXPR)\r
257 elif type('') in [type(Oprand1), type(Oprand2)] and type(Oprand1)!= type(Oprand2):\r
258 # == between string and number/boolean will always return False, != return True\r
259 if Operator == "==":\r
260 WrnExp = WrnExpression(WRN_EQCMP_STR_OTHERS)\r
261 WrnExp.result = False\r
262 raise WrnExp\r
263 elif Operator == "!=":\r
264 WrnExp = WrnExpression(WRN_NECMP_STR_OTHERS)\r
265 WrnExp.result = True\r
266 raise WrnExp\r
267 else:\r
268 raise BadExpression(ERR_RELCMP_STR_OTHERS % Operator)\r
d0acc87a 269 elif TypeDict[type(Oprand1)] != TypeDict[type(Oprand2)]:\r
0d2711a6
LG		 270 if Operator in ["==", "!=", ">=", "<=", ">", "<"] and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r
271 # comparison between number and boolean is allowed\r
272 pass\r
d0acc87a 273 elif Operator in ['&', '|', '^', "and", "or"] and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r
0d2711a6 274 # bitwise and logical operation between number and boolean is allowed\r
d0acc87a 275 pass\r
0d2711a6
LG		 276 else:\r
277 raise BadExpression(ERR_EXPR_TYPE)\r
278 if type(Oprand1) == type('') and type(Oprand2) == type(''):\r
279 if (Oprand1.startswith('L"') and not Oprand2.startswith('L"')) or \\r
280 (not Oprand1.startswith('L"') and Oprand2.startswith('L"')):\r
281 raise BadExpression(ERR_STRING_CMP % (Oprand1, Operator, Oprand2))\r
282 if 'in' in Operator and type(Oprand2) == type(''):\r
283 Oprand2 = Oprand2.split()\r
284 EvalStr = 'Oprand1 ' + Operator + ' Oprand2'\r
285\r
286 # Local symbols used by built in eval function\r
287 Dict = {\r
288 'Oprand1' : Oprand1,\r
289 'Oprand2' : Oprand2\r
290 }\r
291 try:\r
292 Val = eval(EvalStr, {}, Dict)\r
293 except Exception, Excpt:\r
294 raise BadExpression(str(Excpt))\r
295\r
296 if Operator in ['and', 'or']:\r
297 if Val:\r
298 Val = True\r
299 else:\r
300 Val = False\r
d0acc87a 301\r
0d2711a6
LG		 302 if WrnExp:\r
303 WrnExp.result = Val\r
304 raise WrnExp\r
305 return Val\r
306\r
307 def __init__(self, Expression, SymbolTable={}):\r
308 self._NoProcess = False\r
309 if type(Expression) != type(''):\r
310 self._Expr = Expression\r
311 self._NoProcess = True\r
312 return\r
313\r
314 self._Expr = ReplaceExprMacro(Expression.strip(),\r
315 SymbolTable,\r
64b2609f 316 SupportedInMacroList)\r
0d2711a6
LG		 317\r
318 if not self._Expr.strip():\r
d0acc87a 319 raise BadExpression(ERR_EMPTY_EXPR)\r
0d2711a6
LG		 320\r
321 #\r
322 # The symbol table including PCD and macro mapping\r
323 #\r
726c501c 324 self._Symb = copy.deepcopy(SymbolTable)\r
0d2711a6
LG		 325 self._Symb.update(self.LogicalOperators)\r
326 self._Idx = 0\r
327 self._Len = len(self._Expr)\r
328 self._Token = ''\r
d0acc87a 329 self._WarnExcept = None\r
0d2711a6
LG		 330\r
331 # Literal token without any conversion\r
332 self._LiteralToken = ''\r
333\r
334 # Public entry for this class\r
d0acc87a
LG		 335 # @param RealValue: False: only evaluate if the expression is true or false, used for conditional expression\r
336 # True : return the evaluated str(value), used for PCD value\r
337 #\r
338 # @return: True or False if RealValue is False\r
339 # Evaluated value of string format if RealValue is True\r
340 #\r
4afd3d04 341 def __call__(self, RealValue=False, Depth=0):\r
0d2711a6
LG		 342 if self._NoProcess:\r
343 return self._Expr\r
344\r
4afd3d04
LG		 345 self._Depth = Depth\r
346\r
d0acc87a 347 self._Expr = self._Expr.strip()\r
4afd3d04 348 if RealValue and Depth == 0:\r
d0acc87a
LG		 349 self._Token = self._Expr\r
350 if self.__IsNumberToken():\r
351 return self._Expr\r
35f613d9 352 Token = ''\r
25918452
LG		 353 try:\r
354 Token = self._GetToken()\r
25918452
LG		 355 except BadExpression:\r
356 pass\r
35f613d9 357 if type(Token) == type('') and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:\r
35f613d9 358 return self._Expr\r
d0acc87a
LG		 359\r
360 self._Idx = 0\r
361 self._Token = ''\r
362\r
bc0d7233 363 Val = self._ConExpr()\r
d0acc87a
LG		 364 RealVal = Val\r
365 if type(Val) == type(''):\r
366 if Val == 'L""':\r
367 Val = False\r
368 elif not Val:\r
369 Val = False\r
370 RealVal = '""'\r
726c501c 371 elif not Val.startswith('L"') and not Val.startswith('{') and not Val.startswith("L'"):\r
d0acc87a
LG		 372 Val = True\r
373 RealVal = '"' + RealVal + '"'\r
0d2711a6
LG		 374\r
375 # The expression has been parsed, but the end of expression is not reached\r
376 # It means the rest does not comply EBNF of <Expression>\r
377 if self._Idx != self._Len:\r
378 raise BadExpression(ERR_SNYTAX % self._Expr[self._Idx:])\r
379\r
d0acc87a
LG		 380 if RealValue:\r
381 RetVal = str(RealVal)\r
382 elif Val:\r
383 RetVal = True\r
384 else:\r
385 RetVal = False\r
386\r
387 if self._WarnExcept:\r
388 self._WarnExcept.result = RetVal\r
389 raise self._WarnExcept\r
390 else:\r
391 return RetVal\r
0d2711a6
LG		 392\r
393 # Template function to parse binary operators which have same precedence\r
394 # Expr [Operator Expr]*\r
395 def _ExprFuncTemplate(self, EvalFunc, OpLst):\r
396 Val = EvalFunc()\r
397 while self._IsOperator(OpLst):\r
398 Op = self._Token\r
bc0d7233
YF		 399 if Op == '?':\r
400 Val2 = EvalFunc()\r
401 if self._IsOperator(':'):\r
402 Val3 = EvalFunc()\r
403 if Val:\r
404 Val = Val2\r
405 else:\r
406 Val = Val3\r
407 continue\r
d0acc87a
LG		 408 try:\r
409 Val = self.Eval(Op, Val, EvalFunc())\r
410 except WrnExpression, Warn:\r
411 self._WarnExcept = Warn\r
412 Val = Warn.result\r
0d2711a6 413 return Val\r
bc0d7233
YF		 414 # A [? B]*\r
415 def _ConExpr(self):\r
416 return self._ExprFuncTemplate(self._OrExpr, ['?', ':'])\r
0d2711a6
LG		 417\r
418 # A [|| B]*\r
419 def _OrExpr(self):\r
420 return self._ExprFuncTemplate(self._AndExpr, ["OR", "or", "||"])\r
421\r
422 # A [&& B]*\r
423 def _AndExpr(self):\r
424 return self._ExprFuncTemplate(self._BitOr, ["AND", "and", "&&"])\r
425\r
426 # A [ | B]*\r
427 def _BitOr(self):\r
428 return self._ExprFuncTemplate(self._BitXor, ["|"])\r
429\r
430 # A [ ^ B]*\r
431 def _BitXor(self):\r
432 return self._ExprFuncTemplate(self._BitAnd, ["XOR", "xor", "^"])\r
433\r
434 # A [ & B]*\r
435 def _BitAnd(self):\r
436 return self._ExprFuncTemplate(self._EqExpr, ["&"])\r
437\r
438 # A [ == B]*\r
439 def _EqExpr(self):\r
440 Val = self._RelExpr()\r
441 while self._IsOperator(["==", "!=", "EQ", "NE", "IN", "in", "!", "NOT", "not"]):\r
442 Op = self._Token\r
443 if Op in ["!", "NOT", "not"]:\r
444 if not self._IsOperator(["IN", "in"]):\r
445 raise BadExpression(ERR_REL_NOT_IN)\r
446 Op += ' ' + self._Token\r
d0acc87a
LG		 447 try:\r
448 Val = self.Eval(Op, Val, self._RelExpr())\r
449 except WrnExpression, Warn:\r
450 self._WarnExcept = Warn\r
451 Val = Warn.result\r
0d2711a6
LG		 452 return Val\r
453\r
454 # A [ > B]*\r
455 def _RelExpr(self):\r
5e06f1a0
YZ		 456 return self._ExprFuncTemplate(self._ShiftExpr, ["<=", ">=", "<", ">", "LE", "GE", "LT", "GT"])\r
457\r
458 def _ShiftExpr(self):\r
459 return self._ExprFuncTemplate(self._AddExpr, ["<<", ">>"])\r
0d2711a6
LG		 460\r
461 # A [ + B]*\r
462 def _AddExpr(self):\r
5e06f1a0
YZ		 463 return self._ExprFuncTemplate(self._MulExpr, ["+", "-"])\r
464\r
465 # A [ * B]*\r
466 def _MulExpr(self):\r
467 return self._ExprFuncTemplate(self._UnaryExpr, ["*", "/", "%"])\r
0d2711a6
LG		 468\r
469 # [!]*A\r
470 def _UnaryExpr(self):\r
471 if self._IsOperator(["!", "NOT", "not"]):\r
472 Val = self._UnaryExpr()\r
d0acc87a
LG		 473 try:\r
474 return self.Eval('not', Val)\r
475 except WrnExpression, Warn:\r
476 self._WarnExcept = Warn\r
477 return Warn.result\r
5e06f1a0
YZ		 478 if self._IsOperator(["~"]):\r
479 Val = self._UnaryExpr()\r
480 try:\r
481 return self.Eval('~', Val)\r
482 except WrnExpression, Warn:\r
483 self._WarnExcept = Warn\r
484 return Warn.result\r
0d2711a6
LG		 485 return self._IdenExpr()\r
486\r
487 # Parse identifier or encapsulated expression\r
488 def _IdenExpr(self):\r
489 Tk = self._GetToken()\r
490 if Tk == '(':\r
bc0d7233 491 Val = self._ConExpr()\r
0d2711a6
LG		 492 try:\r
493 # _GetToken may also raise BadExpression\r
494 if self._GetToken() != ')':\r
495 raise BadExpression(ERR_MATCH)\r
496 except BadExpression:\r
497 raise BadExpression(ERR_MATCH)\r
498 return Val\r
499 return Tk\r
500\r
501 # Skip whitespace or tab\r
502 def __SkipWS(self):\r
503 for Char in self._Expr[self._Idx:]:\r
504 if Char not in ' \t':\r
505 break\r
506 self._Idx += 1\r
507\r
508 # Try to convert string to number\r
509 def __IsNumberToken(self):\r
510 Radix = 10\r
511 if self._Token.lower()[0:2] == '0x' and len(self._Token) > 2:\r
512 Radix = 16\r
35f613d9
YF		 513 if self._Token.startswith('"') or self._Token.startswith('L"'):\r
514 Flag = 0\r
515 for Index in range(len(self._Token)):\r
516 if self._Token[Index] in ['"']:\r
ea927d2f
FY		 517 if self._Token[Index - 1] == '\\':\r
518 continue\r
35f613d9
YF		 519 Flag += 1\r
520 if Flag == 2 and self._Token.endswith('"'):\r
35f613d9
YF		 521 return True\r
522 if self._Token.startswith("'") or self._Token.startswith("L'"):\r
726c501c
YZ		 523 Flag = 0\r
524 for Index in range(len(self._Token)):\r
35f613d9 525 if self._Token[Index] in ["'"]:\r
ea927d2f
FY		 526 if self._Token[Index - 1] == '\\':\r
527 continue\r
726c501c 528 Flag += 1\r
35f613d9 529 if Flag == 2 and self._Token.endswith("'"):\r
726c501c 530 return True\r
0d2711a6
LG		 531 try:\r
532 self._Token = int(self._Token, Radix)\r
533 return True\r
534 except ValueError:\r
535 return False\r
536 except TypeError:\r
537 return False\r
538\r
539 # Parse array: {...}\r
540 def __GetArray(self):\r
541 Token = '{'\r
542 self._Idx += 1\r
543 self.__GetNList(True)\r
544 Token += self._LiteralToken\r
545 if self._Idx >= self._Len or self._Expr[self._Idx] != '}':\r
546 raise BadExpression(ERR_ARRAY_TOKEN % Token)\r
547 Token += '}'\r
548\r
549 # All whitespace and tabs in array are already stripped.\r
550 IsArray = IsGuid = False\r
551 if len(Token.split(',')) == 11 and len(Token.split(',{')) == 2 \\r
552 and len(Token.split('},')) == 1:\r
553 HexLen = [11,6,6,5,4,4,4,4,4,4,6]\r
554 HexList= Token.split(',')\r
555 if HexList[3].startswith('{') and \\r
556 not [Index for Index, Hex in enumerate(HexList) if len(Hex) > HexLen[Index]]:\r
557 IsGuid = True\r
558 if Token.lstrip('{').rstrip('}').find('{') == -1:\r
559 if not [Hex for Hex in Token.lstrip('{').rstrip('}').split(',') if len(Hex) > 4]:\r
560 IsArray = True\r
561 if not IsArray and not IsGuid:\r
562 raise BadExpression(ERR_ARRAY_TOKEN % Token)\r
563 self._Idx += 1\r
564 self._Token = self._LiteralToken = Token\r
565 return self._Token\r
566\r
567 # Parse string, the format must be: "..."\r
568 def __GetString(self):\r
569 Idx = self._Idx\r
570\r
571 # Skip left quote\r
572 self._Idx += 1\r
573\r
574 # Replace escape \\\", \"\r
ea927d2f
FY		 575 if self._Expr[Idx] == '"':\r
576 Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace('\\\"', '\\\'')\r
577 for Ch in Expr:\r
578 self._Idx += 1\r
579 if Ch == '"':\r
580 break\r
581 self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r
582 if not self._Token.endswith('"'):\r
583 raise BadExpression(ERR_STRING_TOKEN % self._Token)\r
584 #Replace escape \\\', \'\r
585 elif self._Expr[Idx] == "'":\r
586 Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace("\\\'", "\\\"")\r
587 for Ch in Expr:\r
588 self._Idx += 1\r
589 if Ch == "'":\r
590 break\r
591 self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r
592 if not self._Token.endswith("'"):\r
593 raise BadExpression(ERR_STRING_TOKEN % self._Token)\r
0d2711a6
LG		 594 self._Token = self._Token[1:-1]\r
595 return self._Token\r
596\r
597 # Get token that is comprised by alphanumeric, underscore or dot(used by PCD)\r
598 # @param IsAlphaOp: Indicate if parsing general token or script operator(EQ, NE...)\r
599 def __GetIdToken(self, IsAlphaOp = False):\r
600 IdToken = ''\r
601 for Ch in self._Expr[self._Idx:]:\r
bc0d7233 602 if not self.__IsIdChar(Ch) or ('?' in self._Expr and Ch == ':'):\r
0d2711a6
LG		 603 break\r
604 self._Idx += 1\r
605 IdToken += Ch\r
606\r
607 self._Token = self._LiteralToken = IdToken\r
608 if not IsAlphaOp:\r
609 self.__ResolveToken()\r
610 return self._Token\r
611\r
612 # Try to resolve token\r
613 def __ResolveToken(self):\r
614 if not self._Token:\r
615 raise BadExpression(ERR_EMPTY_TOKEN)\r
616\r
617 # PCD token\r
618 if self.PcdPattern.match(self._Token):\r
619 if self._Token not in self._Symb:\r
64b2609f
LG		 620 Ex = BadExpression(ERR_PCD_RESOLVE % self._Token)\r
621 Ex.Pcd = self._Token\r
622 raise Ex\r
4afd3d04 623 self._Token = ValueExpression(self._Symb[self._Token], self._Symb)(True, self._Depth+1)\r
0d2711a6
LG		 624 if type(self._Token) != type(''):\r
625 self._LiteralToken = hex(self._Token)\r
626 return\r
627\r
628 if self._Token.startswith('"'):\r
629 self._Token = self._Token[1:-1]\r
630 elif self._Token in ["FALSE", "false", "False"]:\r
631 self._Token = False\r
632 elif self._Token in ["TRUE", "true", "True"]:\r
633 self._Token = True\r
634 else:\r
635 self.__IsNumberToken()\r
636\r
637 def __GetNList(self, InArray=False):\r
638 self._GetSingleToken()\r
639 if not self.__IsHexLiteral():\r
640 if InArray:\r
641 raise BadExpression(ERR_ARRAY_ELE % self._Token)\r
642 return self._Token\r
643\r
644 self.__SkipWS()\r
645 Expr = self._Expr[self._Idx:]\r
646 if not Expr.startswith(','):\r
647 return self._Token\r
648\r
649 NList = self._LiteralToken\r
650 while Expr.startswith(','):\r
651 NList += ','\r
652 self._Idx += 1\r
653 self.__SkipWS()\r
654 self._GetSingleToken()\r
655 if not self.__IsHexLiteral():\r
656 raise BadExpression(ERR_ARRAY_ELE % self._Token)\r
657 NList += self._LiteralToken\r
658 self.__SkipWS()\r
659 Expr = self._Expr[self._Idx:]\r
660 self._Token = self._LiteralToken = NList\r
661 return self._Token\r
662\r
663 def __IsHexLiteral(self):\r
664 if self._LiteralToken.startswith('{') and \\r
665 self._LiteralToken.endswith('}'):\r
666 return True\r
667\r
668 if self.HexPattern.match(self._LiteralToken):\r
669 Token = self._LiteralToken[2:]\r
0d2711a6
LG		 670 if not Token:\r
671 self._LiteralToken = '0x0'\r
672 else:\r
35f613d9 673 self._LiteralToken = '0x' + Token\r
0d2711a6
LG		 674 return True\r
675 return False\r
676\r
677 def _GetToken(self):\r
678 return self.__GetNList()\r
679\r
680 @staticmethod\r
681 def __IsIdChar(Ch):\r
5e06f1a0 682 return Ch in '._:' or Ch.isalnum()\r
0d2711a6
LG		 683\r
684 # Parse operand\r
685 def _GetSingleToken(self):\r
686 self.__SkipWS()\r
687 Expr = self._Expr[self._Idx:]\r
688 if Expr.startswith('L"'):\r
689 # Skip L\r
690 self._Idx += 1\r
691 UStr = self.__GetString()\r
692 self._Token = 'L"' + UStr + '"'\r
726c501c
YZ		 693 return self._Token\r
694 elif Expr.startswith("L'"):\r
695 # Skip L\r
696 self._Idx += 1\r
697 UStr = self.__GetString()\r
698 self._Token = "L'" + UStr + "'"\r
0d2711a6 699 return self._Token\r
726c501c
YZ		 700 elif Expr.startswith("'"):\r
701 UStr = self.__GetString()\r
702 self._Token = "'" + UStr + "'"\r
726c501c
YZ		 703 return self._Token\r
704 elif Expr.startswith('UINT'):\r
705 Re = re.compile('(?:UINT8|UINT16|UINT32|UINT64)\((.+)\)')\r
706 try:\r
707 RetValue = Re.search(Expr).group(1)\r
708 except:\r
709 raise BadExpression('Invalid Expression %s' % Expr)\r
710 Idx = self._Idx\r
711 for Ch in Expr:\r
712 self._Idx += 1\r
713 if Ch == '(':\r
714 Prefix = self._Expr[Idx:self._Idx - 1]\r
715 Idx = self._Idx\r
716 if Ch == ')':\r
717 TmpValue = self._Expr[Idx :self._Idx - 1]\r
718 TmpValue = ValueExpression(TmpValue)(True)\r
719 TmpValue = '0x%x' % int(TmpValue) if type(TmpValue) != type('') else TmpValue\r
720 break\r
721 self._Token, Size = ParseFieldValue(Prefix + '(' + TmpValue + ')')\r
722 return self._Token\r
0d2711a6
LG		 723\r
724 self._Token = ''\r
725 if Expr:\r
726 Ch = Expr[0]\r
b1a9e404 727 Match = gGuidPattern.match(Expr)\r
0d2711a6
LG		 728 if Match and not Expr[Match.end():Match.end()+1].isalnum() \\r
729 and Expr[Match.end():Match.end()+1] != '_':\r
730 self._Idx += Match.end()\r
4afd3d04 731 self._Token = ValueExpression(GuidStringToGuidStructureString(Expr[0:Match.end()]))(True, self._Depth+1)\r
0d2711a6
LG		 732 return self._Token\r
733 elif self.__IsIdChar(Ch):\r
734 return self.__GetIdToken()\r
735 elif Ch == '"':\r
736 return self.__GetString()\r
737 elif Ch == '{':\r
738 return self.__GetArray()\r
739 elif Ch == '(' or Ch == ')':\r
740 self._Idx += 1\r
741 self._Token = Ch\r
742 return self._Token\r
743\r
744 raise BadExpression(ERR_VALID_TOKEN % Expr)\r
745\r
746 # Parse operator\r
747 def _GetOperator(self):\r
748 self.__SkipWS()\r
bc0d7233 749 LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst + ['?',':']\r
0d2711a6
LG		 750\r
751 self._Token = ''\r
752 Expr = self._Expr[self._Idx:]\r
753\r
754 # Reach end of expression\r
755 if not Expr:\r
756 return ''\r
757\r
758 # Script operator: LT, GT, LE, GE, EQ, NE, and, or, xor, not\r
759 if Expr[0].isalpha():\r
760 return self.__GetIdToken(True)\r
761\r
762 # Start to get regular operator: +, -, <, > ...\r
763 if Expr[0] not in self.NonLetterOpLst:\r
764 return ''\r
765\r
766 OpToken = ''\r
767 for Ch in Expr:\r
768 if Ch in self.NonLetterOpLst:\r
d0acc87a 769 if '!' == Ch and OpToken:\r
0d2711a6
LG		 770 break\r
771 self._Idx += 1\r
772 OpToken += Ch\r
773 else:\r
774 break\r
775\r
776 if OpToken not in LegalOpLst:\r
777 raise BadExpression(ERR_OPERATOR_UNSUPPORT % OpToken)\r
778 self._Token = OpToken\r
779 return OpToken\r
780\r
781 # Check if current token matches the operators given from OpList\r
782 def _IsOperator(self, OpList):\r
783 Idx = self._Idx\r
784 self._GetOperator()\r
785 if self._Token in OpList:\r
786 if self._Token in self.LogicalOperators:\r
787 self._Token = self.LogicalOperators[self._Token]\r
788 return True\r
789 self._Idx = Idx\r
790 return False\r
791\r
726c501c
YZ		 792class ValueExpressionEx(ValueExpression):\r
793 def __init__(self, PcdValue, PcdType, SymbolTable={}):\r
794 ValueExpression.__init__(self, PcdValue, SymbolTable)\r
795 self.PcdValue = PcdValue\r
796 self.PcdType = PcdType\r
797\r
798 def __call__(self, RealValue=False, Depth=0):\r
799 PcdValue = self.PcdValue\r
800 try:\r
801 PcdValue = ValueExpression.__call__(self, RealValue, Depth)\r
35f613d9 802 if self.PcdType == 'VOID*' and (PcdValue.startswith("'") or PcdValue.startswith("L'")):\r
0e6b8673
FY		 803 PcdValue, Size = ParseFieldValue(PcdValue)\r
804 PcdValueList = []\r
805 for I in range(Size):\r
806 PcdValueList.append('0x%02X'%(PcdValue & 0xff))\r
807 PcdValue = PcdValue >> 8\r
808 PcdValue = '{' + ','.join(PcdValueList) + '}'\r
35f613d9
YF		 809 elif self.PcdType in ['UINT8', 'UINT16', 'UINT32', 'UINT64', 'BOOLEAN'] and (PcdValue.startswith("'") or \\r
810 PcdValue.startswith('"') or PcdValue.startswith("L'") or PcdValue.startswith('L"') or PcdValue.startswith('{')):\r
811 raise BadExpression\r
726c501c
YZ		 812 except WrnExpression, Value:\r
813 PcdValue = Value.result\r
9efe8d60 814 except BadExpression, Value:\r
35f613d9
YF		 815 if self.PcdType in ['UINT8', 'UINT16', 'UINT32', 'UINT64', 'BOOLEAN']:\r
816 PcdValue = PcdValue.strip()\r
817 if type(PcdValue) == type('') and PcdValue.startswith('{') and PcdValue.endswith('}'):\r
3be421e9 818 PcdValue = SplitPcdValueString(PcdValue[1:-1])\r
35f613d9
YF		 819 if type(PcdValue) == type([]):\r
820 TmpValue = 0\r
726c501c 821 Size = 0\r
3be421e9 822 ValueType = ''\r
35f613d9 823 for Item in PcdValue:\r
3be421e9 824 Item = Item.strip()\r
0e6b8673
FY		 825 if Item.startswith('UINT8'):\r
826 ItemSize = 1\r
3be421e9
FY		 827 ValueType = 'UINT8'\r
828 elif Item.startswith('UINT16'):\r
35f613d9 829 ItemSize = 2\r
3be421e9 830 ValueType = 'UINT16'\r
35f613d9
YF		 831 elif Item.startswith('UINT32'):\r
832 ItemSize = 4\r
3be421e9 833 ValueType = 'UINT32'\r
35f613d9
YF		 834 elif Item.startswith('UINT64'):\r
835 ItemSize = 8\r
3be421e9
FY		 836 ValueType = 'UINT64'\r
837 elif Item.startswith('"') or Item.startswith("'") or Item.startswith('L'):\r
838 ItemSize = 0\r
839 ValueType = 'VOID*'\r
35f613d9
YF		 840 else:\r
841 ItemSize = 0\r
3be421e9
FY		 842 ValueType = 'UINT8'\r
843 Item = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r
35f613d9
YF		 844\r
845 if ItemSize == 0:\r
3be421e9
FY		 846 try:\r
847 tmpValue = int(Item, 16) if Item.upper().startswith('0X') else int(Item, 0)\r
848 if tmpValue > 255:\r
849 raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r
850 except BadExpression, Value:\r
851 raise BadExpression(Value)\r
852 except ValueError:\r
853 pass\r
35f613d9
YF		 854 ItemValue, ItemSize = ParseFieldValue(Item)\r
855 else:\r
856 ItemValue = ParseFieldValue(Item)[0]\r
857\r
858 if type(ItemValue) == type(''):\r
859 ItemValue = int(ItemValue, 16) if ItemValue.startswith('0x') else int(ItemValue)\r
860\r
861 TmpValue = (ItemValue << (Size * 8)) | TmpValue\r
862 Size = Size + ItemSize\r
863 else:\r
0e6b8673
FY		 864 try:\r
865 TmpValue, Size = ParseFieldValue(PcdValue)\r
9efe8d60
YF		 866 except BadExpression, Value:\r
867 raise BadExpression("Type: %s, Value: %s, %s" % (self.PcdType, PcdValue, Value))\r
35f613d9 868 if type(TmpValue) == type(''):\r
9efe8d60
YF		 869 try:\r
870 TmpValue = int(TmpValue)\r
871 except:\r
872 raise BadExpression(Value)\r
35f613d9
YF		 873 else:\r
874 PcdValue = '0x%0{}X'.format(Size) % (TmpValue)\r
875 if TmpValue < 0:\r
876 raise BadExpression('Type %s PCD Value is negative' % self.PcdType)\r
877 if self.PcdType == 'UINT8' and Size > 1:\r
878 raise BadExpression('Type %s PCD Value Size is Larger than 1 byte' % self.PcdType)\r
879 if self.PcdType == 'UINT16' and Size > 2:\r
880 raise BadExpression('Type %s PCD Value Size is Larger than 2 byte' % self.PcdType)\r
881 if self.PcdType == 'UINT32' and Size > 4:\r
882 raise BadExpression('Type %s PCD Value Size is Larger than 4 byte' % self.PcdType)\r
883 if self.PcdType == 'UINT64' and Size > 8:\r
884 raise BadExpression('Type %s PCD Value Size is Larger than 8 byte' % self.PcdType)\r
6f49996c 885 else:\r
35f613d9
YF		 886 try:\r
887 TmpValue = long(PcdValue)\r
888 TmpList = []\r
889 if TmpValue.bit_length() == 0:\r
890 PcdValue = '{0x00}'\r
726c501c 891 else:\r
35f613d9
YF		 892 for I in range((TmpValue.bit_length() + 7) / 8):\r
893 TmpList.append('0x%02x' % ((TmpValue >> I * 8) & 0xff))\r
894 PcdValue = '{' + ', '.join(TmpList) + '}'\r
895 except:\r
896 if PcdValue.strip().startswith('{'):\r
3be421e9
FY		 897 PcdValueList = SplitPcdValueString(PcdValue.strip()[1:-1])\r
898 LabelDict = {}\r
899 NewPcdValueList = []\r
900 ReLabel = re.compile('LABEL\((\w+)\)')\r
901 ReOffset = re.compile('OFFSET_OF\((\w+)\)')\r
902 LabelOffset = 0\r
903 for Index, Item in enumerate(PcdValueList):\r
904 # compute byte offset of every LABEL\r
5ac0a545 905 LabelList = ReLabel.findall(Item)\r
b31501c9
FY		 906 Item = ReLabel.sub('', Item)\r
907 Item = Item.strip()\r
5ac0a545 908 if LabelList:\r
3be421e9 909 for Label in LabelList:\r
1f901a89 910 if not IsValidCName(Label):\r
5ac0a545 911 raise BadExpression('%s is not a valid c variable name' % Label)\r
3be421e9
FY		 912 if Label not in LabelDict.keys():\r
913 LabelDict[Label] = str(LabelOffset)\r
3be421e9
FY		 914 if Item.startswith('UINT8'):\r
915 LabelOffset = LabelOffset + 1\r
916 elif Item.startswith('UINT16'):\r
917 LabelOffset = LabelOffset + 2\r
918 elif Item.startswith('UINT32'):\r
919 LabelOffset = LabelOffset + 4\r
920 elif Item.startswith('UINT64'):\r
921 LabelOffset = LabelOffset + 8\r
922 else:\r
8bd72d7c 923 try:\r
8bd72d7c
KM		 924 ItemValue, ItemSize = ParseFieldValue(Item)\r
925 LabelOffset = LabelOffset + ItemSize\r
35f613d9 926 except:\r
3be421e9
FY		 927 LabelOffset = LabelOffset + 1\r
928\r
929 for Index, Item in enumerate(PcdValueList):\r
930 # for LABEL parse\r
931 Item = Item.strip()\r
932 try:\r
933 Item = ReLabel.sub('', Item)\r
934 except:\r
935 pass\r
936 try:\r
937 OffsetList = ReOffset.findall(Item)\r
938 except:\r
939 pass\r
940 for Offset in OffsetList:\r
941 if Offset in LabelDict.keys():\r
942 Re = re.compile('OFFSET_OF\(%s\)' % Offset)\r
943 Item = Re.sub(LabelDict[Offset], Item)\r
944 else:\r
945 raise BadExpression('%s not defined' % Offset)\r
946 NewPcdValueList.append(Item)\r
947\r
948 AllPcdValueList = []\r
949 for Item in NewPcdValueList:\r
950 Size = 0\r
951 ValueStr = ''\r
952 TokenSpaceGuidName = ''\r
953 if Item.startswith('GUID') and Item.endswith(')'):\r
35f613d9 954 try:\r
3be421e9 955 TokenSpaceGuidName = re.search('GUID\((\w+)\)', Item).group(1)\r
35f613d9
YF		 956 except:\r
957 pass\r
3be421e9
FY		 958 if TokenSpaceGuidName and TokenSpaceGuidName in self._Symb:\r
959 Item = 'GUID(' + self._Symb[TokenSpaceGuidName] + ')'\r
960 elif TokenSpaceGuidName:\r
961 raise BadExpression('%s not found in DEC file' % TokenSpaceGuidName)\r
962 Item, Size = ParseFieldValue(Item)\r
963 for Index in range(0, Size):\r
964 ValueStr = '0x%02X' % (int(Item) & 255)\r
965 Item >>= 8\r
966 AllPcdValueList.append(ValueStr)\r
967 continue\r
968 elif Item.startswith('DEVICE_PATH') and Item.endswith(')'):\r
969 Item, Size = ParseFieldValue(Item)\r
970 AllPcdValueList.append(Item[1:-1])\r
971 continue\r
972 else:\r
35f613d9 973 ValueType = ""\r
0e6b8673 974 if Item.startswith('UINT8'):\r
35f613d9
YF		 975 ItemSize = 1\r
976 ValueType = "UINT8"\r
977 elif Item.startswith('UINT16'):\r
978 ItemSize = 2\r
979 ValueType = "UINT16"\r
980 elif Item.startswith('UINT32'):\r
981 ItemSize = 4\r
a35918ca 982 ValueType = "UINT32"\r
35f613d9
YF		 983 elif Item.startswith('UINT64'):\r
984 ItemSize = 8\r
a35918ca 985 ValueType = "UINT64"\r
35f613d9
YF		 986 else:\r
987 ItemSize = 0\r
988 if ValueType:\r
989 TmpValue = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r
990 else:\r
991 TmpValue = ValueExpressionEx(Item, self.PcdType, self._Symb)(True)\r
992 Item = '0x%x' % TmpValue if type(TmpValue) != type('') else TmpValue\r
993 if ItemSize == 0:\r
994 ItemValue, ItemSize = ParseFieldValue(Item)\r
3be421e9
FY		 995 if not (Item.startswith('"') or Item.startswith('L') or Item.startswith('{')) and ItemSize > 1:\r
996 raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r
35f613d9
YF		 997 else:\r
998 ItemValue = ParseFieldValue(Item)[0]\r
999 for I in range(0, ItemSize):\r
3be421e9 1000 ValueStr = '0x%02X' % (int(ItemValue) & 255)\r
35f613d9 1001 ItemValue >>= 8\r
3be421e9 1002 AllPcdValueList.append(ValueStr)\r
35f613d9
YF		 1003 Size += ItemSize\r
1004\r
3be421e9
FY		 1005 if Size > 0:\r
1006 PcdValue = '{' + ','.join(AllPcdValueList) + '}'\r
0e6b8673 1007 else:\r
9efe8d60 1008 raise BadExpression("Type: %s, Value: %s, %s"%(self.PcdType, PcdValue, Value))\r
0e6b8673 1009\r
35f613d9
YF		 1010 if PcdValue == 'True':\r
1011 PcdValue = '1'\r
1012 if PcdValue == 'False':\r
1013 PcdValue = '0'\r
726c501c 1014\r
726c501c
YZ		 1015 if RealValue:\r
1016 return PcdValue\r
1017\r
0d2711a6
LG		 1018if __name__ == '__main__':\r
1019 pass\r
d0acc87a
LG		 1020 while True:\r
1021 input = raw_input('Input expr: ')\r
1022 if input in 'qQ':\r
1023 break\r
1024 try:\r
1025 print ValueExpression(input)(True)\r
1026 print ValueExpression(input)(False)\r
1027 except WrnExpression, Ex:\r
1028 print Ex.result\r
1029 print str(Ex)\r
1030 except Exception, Ex:\r
1031 print str(Ex)\r
EFI Development Kit II mirror for PVE