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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 | |
15 | from Common.GlobalData import *\r | |
16 | from CommonDataClass.Exceptions import BadExpression\r | |
0d2711a6 | 17 | from CommonDataClass.Exceptions import WrnExpression\r |
b2282e53 | 18 | from .Misc import GuidStringToGuidStructureString, ParseFieldValue\r |
726c501c YZ |
19 | import Common.EdkLogger as EdkLogger\r |
20 | import copy\r | |
656d2539 | 21 | from Common.DataType import *\r |
39456d00 | 22 | import sys\r |
0d2711a6 LG |
23 | \r |
24 | ERR_STRING_EXPR = 'This operator cannot be used in string expression: [%s].'\r | |
25 | ERR_SNYTAX = 'Syntax error, the rest of expression cannot be evaluated: [%s].'\r | |
26 | ERR_MATCH = 'No matching right parenthesis.'\r | |
27 | ERR_STRING_TOKEN = 'Bad string token: [%s].'\r | |
28 | ERR_MACRO_TOKEN = 'Bad macro token: [%s].'\r | |
29 | ERR_EMPTY_TOKEN = 'Empty token is not allowed.'\r | |
fa6e2804 | 30 | ERR_PCD_RESOLVE = 'The PCD should be FeatureFlag type or FixedAtBuild type: [%s].'\r |
0d2711a6 LG |
31 | ERR_VALID_TOKEN = 'No more valid token found from rest of string: [%s].'\r |
32 | ERR_EXPR_TYPE = 'Different types found in expression.'\r | |
33 | ERR_OPERATOR_UNSUPPORT = 'Unsupported operator: [%s]'\r | |
34 | ERR_REL_NOT_IN = 'Expect "IN" after "not" operator.'\r | |
35 | WRN_BOOL_EXPR = 'Operand of boolean type cannot be used in arithmetic expression.'\r | |
36 | WRN_EQCMP_STR_OTHERS = '== Comparison between Operand of string type and Boolean/Number Type always return False.'\r | |
37 | WRN_NECMP_STR_OTHERS = '!= Comparison between Operand of string type and Boolean/Number Type always return True.'\r | |
38 | ERR_RELCMP_STR_OTHERS = 'Operator taking Operand of string type and Boolean/Number Type is not allowed: [%s].'\r | |
39 | ERR_STRING_CMP = 'Unicode string and general string cannot be compared: [%s %s %s]'\r | |
40 | ERR_ARRAY_TOKEN = 'Bad C array or C format GUID token: [%s].'\r | |
41 | ERR_ARRAY_ELE = 'This must be HEX value for NList or Array: [%s].'\r | |
d0acc87a | 42 | ERR_EMPTY_EXPR = 'Empty expression is not allowed.'\r |
64b2609f | 43 | ERR_IN_OPERAND = 'Macro after IN operator can only be: $(FAMILY), $(ARCH), $(TOOL_CHAIN_TAG) and $(TARGET).'\r |
0d2711a6 | 44 | \r |
1f901a89 | 45 | __ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')\r |
38504ad3 CJ |
46 | _ReLabel = re.compile('LABEL\((\w+)\)')\r |
47 | _ReOffset = re.compile('OFFSET_OF\((\w+)\)')\r | |
e6c2468a | 48 | PcdPattern = re.compile(r'[_a-zA-Z][0-9A-Za-z_]*\.[_a-zA-Z][0-9A-Za-z_]*$')\r |
1f901a89 | 49 | \r |
0d2711a6 LG |
50 | ## SplitString\r |
51 | # Split string to list according double quote\r | |
52 | # For example: abc"de\"f"ghi"jkl"mn will be: ['abc', '"de\"f"', 'ghi', '"jkl"', 'mn']\r | |
53 | #\r | |
54 | def SplitString(String):\r | |
ea927d2f | 55 | # There might be escaped quote: "abc\"def\\\"ghi", 'abc\'def\\\'ghi'\r |
0d2711a6 | 56 | RetList = []\r |
ea927d2f FY |
57 | InSingleQuote = False\r |
58 | InDoubleQuote = False\r | |
0d2711a6 | 59 | Item = ''\r |
ae4cc2b0 | 60 | for i, ch in enumerate(String):\r |
ea927d2f | 61 | if ch == '"' and not InSingleQuote:\r |
ae4cc2b0 | 62 | if String[i - 1] != '\\':\r |
ea927d2f FY |
63 | InDoubleQuote = not InDoubleQuote\r |
64 | if not InDoubleQuote:\r | |
65 | Item += String[i]\r | |
66 | RetList.append(Item)\r | |
67 | Item = ''\r | |
68 | continue\r | |
69 | if Item:\r | |
70 | RetList.append(Item)\r | |
71 | Item = ''\r | |
72 | elif ch == "'" and not InDoubleQuote:\r | |
ae4cc2b0 | 73 | if String[i - 1] != '\\':\r |
ea927d2f FY |
74 | InSingleQuote = not InSingleQuote\r |
75 | if not InSingleQuote:\r | |
0d2711a6 LG |
76 | Item += String[i]\r |
77 | RetList.append(Item)\r | |
78 | Item = ''\r | |
79 | continue\r | |
80 | if Item:\r | |
81 | RetList.append(Item)\r | |
82 | Item = ''\r | |
83 | Item += String[i]\r | |
ea927d2f | 84 | if InSingleQuote or InDoubleQuote:\r |
0d2711a6 LG |
85 | raise BadExpression(ERR_STRING_TOKEN % Item)\r |
86 | if Item:\r | |
87 | RetList.append(Item)\r | |
88 | return RetList\r | |
89 | \r | |
3be421e9 FY |
90 | def SplitPcdValueString(String):\r |
91 | # There might be escaped comma in GUID() or DEVICE_PATH() or " "\r | |
92 | # or ' ' or L' ' or L" "\r | |
3be421e9 FY |
93 | RetList = []\r |
94 | InParenthesis = 0\r | |
95 | InSingleQuote = False\r | |
96 | InDoubleQuote = False\r | |
97 | Item = ''\r | |
ae4cc2b0 | 98 | for i, ch in enumerate(String):\r |
3be421e9 FY |
99 | if ch == '(':\r |
100 | InParenthesis += 1\r | |
3e8bab96 | 101 | elif ch == ')':\r |
3be421e9 FY |
102 | if InParenthesis:\r |
103 | InParenthesis -= 1\r | |
104 | else:\r | |
105 | raise BadExpression(ERR_STRING_TOKEN % Item)\r | |
3e8bab96 | 106 | elif ch == '"' and not InSingleQuote:\r |
3be421e9 FY |
107 | if String[i-1] != '\\':\r |
108 | InDoubleQuote = not InDoubleQuote\r | |
3e8bab96 | 109 | elif ch == "'" and not InDoubleQuote:\r |
3be421e9 FY |
110 | if String[i-1] != '\\':\r |
111 | InSingleQuote = not InSingleQuote\r | |
3e8bab96 | 112 | elif ch == ',':\r |
3be421e9 FY |
113 | if InParenthesis or InSingleQuote or InDoubleQuote:\r |
114 | Item += String[i]\r | |
115 | continue\r | |
116 | elif Item:\r | |
117 | RetList.append(Item)\r | |
118 | Item = ''\r | |
119 | continue\r | |
120 | Item += String[i]\r | |
121 | if InSingleQuote or InDoubleQuote or InParenthesis:\r | |
122 | raise BadExpression(ERR_STRING_TOKEN % Item)\r | |
123 | if Item:\r | |
124 | RetList.append(Item)\r | |
125 | return RetList\r | |
126 | \r | |
1f901a89 CJ |
127 | def IsValidCName(Str):\r |
128 | return True if __ValidString.match(Str) else False\r | |
5ac0a545 | 129 | \r |
8565b582 | 130 | def BuildOptionValue(PcdValue, GuidDict):\r |
8565b582 YZ |
131 | if PcdValue.startswith('H'):\r |
132 | InputValue = PcdValue[1:]\r | |
133 | elif PcdValue.startswith("L'") or PcdValue.startswith("'"):\r | |
134 | InputValue = PcdValue\r | |
135 | elif PcdValue.startswith('L'):\r | |
136 | InputValue = 'L"' + PcdValue[1:] + '"'\r | |
137 | else:\r | |
138 | InputValue = PcdValue\r | |
b2282e53 YZ |
139 | try:\r |
140 | PcdValue = ValueExpressionEx(InputValue, TAB_VOID, GuidDict)(True)\r | |
141 | except:\r | |
142 | pass\r | |
143 | \r | |
8565b582 YZ |
144 | return PcdValue\r |
145 | \r | |
0d2711a6 LG |
146 | ## ReplaceExprMacro\r |
147 | #\r | |
148 | def ReplaceExprMacro(String, Macros, ExceptionList = None):\r | |
149 | StrList = SplitString(String)\r | |
150 | for i, String in enumerate(StrList):\r | |
151 | InQuote = False\r | |
152 | if String.startswith('"'):\r | |
153 | InQuote = True\r | |
154 | MacroStartPos = String.find('$(')\r | |
155 | if MacroStartPos < 0:\r | |
9eb87141 | 156 | for Pcd in gPlatformPcds:\r |
c8d07c5e YZ |
157 | if Pcd in String:\r |
158 | if Pcd not in gConditionalPcds:\r | |
159 | gConditionalPcds.append(Pcd)\r | |
0d2711a6 LG |
160 | continue\r |
161 | RetStr = ''\r | |
162 | while MacroStartPos >= 0:\r | |
163 | RetStr = String[0:MacroStartPos]\r | |
164 | MacroEndPos = String.find(')', MacroStartPos)\r | |
165 | if MacroEndPos < 0:\r | |
166 | raise BadExpression(ERR_MACRO_TOKEN % String[MacroStartPos:])\r | |
167 | Macro = String[MacroStartPos+2:MacroEndPos]\r | |
168 | if Macro not in Macros:\r | |
169 | # From C reference manual:\r | |
170 | # If an undefined macro name appears in the constant-expression of\r | |
171 | # !if or !elif, it is replaced by the integer constant 0.\r | |
172 | RetStr += '0'\r | |
64b2609f LG |
173 | elif not InQuote:\r |
174 | Tklst = RetStr.split()\r | |
4d601fc6 | 175 | if Tklst and Tklst[-1] in {'IN', 'in'} and ExceptionList and Macro not in ExceptionList:\r |
64b2609f | 176 | raise BadExpression(ERR_IN_OPERAND)\r |
0d2711a6 LG |
177 | # Make sure the macro in exception list is encapsulated by double quote\r |
178 | # For example: DEFINE ARCH = IA32 X64\r | |
179 | # $(ARCH) is replaced with "IA32 X64"\r | |
64b2609f LG |
180 | if ExceptionList and Macro in ExceptionList:\r |
181 | RetStr += '"' + Macros[Macro] + '"'\r | |
182 | elif Macros[Macro].strip():\r | |
0d2711a6 LG |
183 | RetStr += Macros[Macro]\r |
184 | else:\r | |
185 | RetStr += '""'\r | |
64b2609f LG |
186 | else:\r |
187 | RetStr += Macros[Macro]\r | |
0d2711a6 LG |
188 | RetStr += String[MacroEndPos+1:]\r |
189 | String = RetStr\r | |
190 | MacroStartPos = String.find('$(')\r | |
191 | StrList[i] = RetStr\r | |
192 | return ''.join(StrList)\r | |
193 | \r | |
726c501c YZ |
194 | # transfer int to string for in/not in expression\r |
195 | def IntToStr(Value):\r | |
196 | StrList = []\r | |
197 | while Value > 0:\r | |
198 | StrList.append(chr(Value & 0xff))\r | |
199 | Value = Value >> 8\r | |
200 | Value = '"' + ''.join(StrList) + '"'\r | |
201 | return Value\r | |
202 | \r | |
64b2609f LG |
203 | SupportedInMacroList = ['TARGET', 'TOOL_CHAIN_TAG', 'ARCH', 'FAMILY']\r |
204 | \r | |
b2aeaf57 CJ |
205 | class BaseExpression(object):\r |
206 | def __init__(self, *args, **kwargs):\r | |
207 | super(BaseExpression, self).__init__()\r | |
208 | \r | |
209 | # Check if current token matches the operators given from parameter\r | |
210 | def _IsOperator(self, OpSet):\r | |
211 | Idx = self._Idx\r | |
212 | self._GetOperator()\r | |
213 | if self._Token in OpSet:\r | |
214 | if self._Token in self.LogicalOperators:\r | |
215 | self._Token = self.LogicalOperators[self._Token]\r | |
216 | return True\r | |
217 | self._Idx = Idx\r | |
218 | return False\r | |
219 | \r | |
220 | class ValueExpression(BaseExpression):\r | |
0d2711a6 LG |
221 | # Logical operator mapping\r |
222 | LogicalOperators = {\r | |
223 | '&&' : 'and', '||' : 'or',\r | |
224 | '!' : 'not', 'AND': 'and',\r | |
225 | 'OR' : 'or' , 'NOT': 'not',\r | |
226 | 'XOR': '^' , 'xor': '^',\r | |
227 | 'EQ' : '==' , 'NE' : '!=',\r | |
228 | 'GT' : '>' , 'LT' : '<',\r | |
229 | 'GE' : '>=' , 'LE' : '<=',\r | |
230 | 'IN' : 'in'\r | |
231 | }\r | |
232 | \r | |
bc0d7233 | 233 | NonLetterOpLst = ['+', '-', '*', '/', '%', '&', '|', '^', '~', '<<', '>>', '!', '=', '>', '<', '?', ':']\r |
0d2711a6 | 234 | \r |
0d2711a6 LG |
235 | \r |
236 | SymbolPattern = re.compile("("\r | |
237 | "\$\([A-Z][A-Z0-9_]*\)|\$\(\w+\.\w+\)|\w+\.\w+|"\r | |
238 | "&&|\|\||!(?!=)|"\r | |
239 | "(?<=\W)AND(?=\W)|(?<=\W)OR(?=\W)|(?<=\W)NOT(?=\W)|(?<=\W)XOR(?=\W)|"\r | |
240 | "(?<=\W)EQ(?=\W)|(?<=\W)NE(?=\W)|(?<=\W)GT(?=\W)|(?<=\W)LT(?=\W)|(?<=\W)GE(?=\W)|(?<=\W)LE(?=\W)"\r | |
241 | ")")\r | |
242 | \r | |
243 | @staticmethod\r | |
244 | def Eval(Operator, Oprand1, Oprand2 = None):\r | |
245 | WrnExp = None\r | |
d0acc87a | 246 | \r |
4d601fc6 | 247 | if Operator not in {"==", "!=", ">=", "<=", ">", "<", "in", "not in"} and \\r |
0d1f5b2b | 248 | (isinstance(Oprand1, type('')) or isinstance(Oprand2, type(''))):\r |
9efe8d60 | 249 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
4d601fc6 | 250 | if Operator in {'in', 'not in'}:\r |
0d1f5b2b | 251 | if not isinstance(Oprand1, type('')):\r |
726c501c | 252 | Oprand1 = IntToStr(Oprand1)\r |
0d1f5b2b | 253 | if not isinstance(Oprand2, type('')):\r |
726c501c | 254 | Oprand2 = IntToStr(Oprand2)\r |
0d2711a6 LG |
255 | TypeDict = {\r |
256 | type(0) : 0,\r | |
39456d00 GL |
257 | # For python2 long type\r |
258 | type(sys.maxsize + 1) : 0,\r | |
0d2711a6 LG |
259 | type('') : 1,\r |
260 | type(True) : 2\r | |
261 | }\r | |
262 | \r | |
263 | EvalStr = ''\r | |
4d601fc6 | 264 | if Operator in {"!", "NOT", "not"}:\r |
0d1f5b2b | 265 | if isinstance(Oprand1, type('')):\r |
0d2711a6 LG |
266 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
267 | EvalStr = 'not Oprand1'\r | |
4d601fc6 | 268 | elif Operator in {"~"}:\r |
0d1f5b2b | 269 | if isinstance(Oprand1, type('')):\r |
5e06f1a0 YZ |
270 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
271 | EvalStr = '~ Oprand1'\r | |
0d2711a6 | 272 | else:\r |
4d601fc6 | 273 | if Operator in {"+", "-"} and (type(True) in {type(Oprand1), type(Oprand2)}):\r |
0d2711a6 LG |
274 | # Boolean in '+'/'-' will be evaluated but raise warning\r |
275 | WrnExp = WrnExpression(WRN_BOOL_EXPR)\r | |
0d1f5b2b | 276 | elif type('') in {type(Oprand1), type(Oprand2)} and not isinstance(Oprand1, type(Oprand2)):\r |
0d2711a6 LG |
277 | # == between string and number/boolean will always return False, != return True\r |
278 | if Operator == "==":\r | |
279 | WrnExp = WrnExpression(WRN_EQCMP_STR_OTHERS)\r | |
280 | WrnExp.result = False\r | |
281 | raise WrnExp\r | |
282 | elif Operator == "!=":\r | |
283 | WrnExp = WrnExpression(WRN_NECMP_STR_OTHERS)\r | |
284 | WrnExp.result = True\r | |
285 | raise WrnExp\r | |
286 | else:\r | |
287 | raise BadExpression(ERR_RELCMP_STR_OTHERS % Operator)\r | |
d0acc87a | 288 | elif TypeDict[type(Oprand1)] != TypeDict[type(Oprand2)]:\r |
4d601fc6 | 289 | if Operator in {"==", "!=", ">=", "<=", ">", "<"} and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r |
0d2711a6 LG |
290 | # comparison between number and boolean is allowed\r |
291 | pass\r | |
4d601fc6 | 292 | elif Operator in {'&', '|', '^', "and", "or"} and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r |
0d2711a6 | 293 | # bitwise and logical operation between number and boolean is allowed\r |
d0acc87a | 294 | pass\r |
0d2711a6 LG |
295 | else:\r |
296 | raise BadExpression(ERR_EXPR_TYPE)\r | |
0d1f5b2b | 297 | if isinstance(Oprand1, type('')) and isinstance(Oprand2, type('')):\r |
0d2711a6 LG |
298 | if (Oprand1.startswith('L"') and not Oprand2.startswith('L"')) or \\r |
299 | (not Oprand1.startswith('L"') and Oprand2.startswith('L"')):\r | |
300 | raise BadExpression(ERR_STRING_CMP % (Oprand1, Operator, Oprand2))\r | |
0d1f5b2b | 301 | if 'in' in Operator and isinstance(Oprand2, type('')):\r |
0d2711a6 LG |
302 | Oprand2 = Oprand2.split()\r |
303 | EvalStr = 'Oprand1 ' + Operator + ' Oprand2'\r | |
304 | \r | |
305 | # Local symbols used by built in eval function\r | |
306 | Dict = {\r | |
307 | 'Oprand1' : Oprand1,\r | |
308 | 'Oprand2' : Oprand2\r | |
309 | }\r | |
310 | try:\r | |
311 | Val = eval(EvalStr, {}, Dict)\r | |
5b0671c1 | 312 | except Exception as Excpt:\r |
0d2711a6 LG |
313 | raise BadExpression(str(Excpt))\r |
314 | \r | |
4d601fc6 | 315 | if Operator in {'and', 'or'}:\r |
0d2711a6 LG |
316 | if Val:\r |
317 | Val = True\r | |
318 | else:\r | |
319 | Val = False\r | |
d0acc87a | 320 | \r |
0d2711a6 LG |
321 | if WrnExp:\r |
322 | WrnExp.result = Val\r | |
323 | raise WrnExp\r | |
324 | return Val\r | |
325 | \r | |
326 | def __init__(self, Expression, SymbolTable={}):\r | |
b2aeaf57 | 327 | super(ValueExpression, self).__init__(self, Expression, SymbolTable)\r |
0d2711a6 | 328 | self._NoProcess = False\r |
0d1f5b2b | 329 | if not isinstance(Expression, type('')):\r |
0d2711a6 LG |
330 | self._Expr = Expression\r |
331 | self._NoProcess = True\r | |
332 | return\r | |
333 | \r | |
334 | self._Expr = ReplaceExprMacro(Expression.strip(),\r | |
335 | SymbolTable,\r | |
64b2609f | 336 | SupportedInMacroList)\r |
0d2711a6 LG |
337 | \r |
338 | if not self._Expr.strip():\r | |
d0acc87a | 339 | raise BadExpression(ERR_EMPTY_EXPR)\r |
0d2711a6 LG |
340 | \r |
341 | #\r | |
342 | # The symbol table including PCD and macro mapping\r | |
343 | #\r | |
726c501c | 344 | self._Symb = copy.deepcopy(SymbolTable)\r |
0d2711a6 LG |
345 | self._Symb.update(self.LogicalOperators)\r |
346 | self._Idx = 0\r | |
347 | self._Len = len(self._Expr)\r | |
348 | self._Token = ''\r | |
d0acc87a | 349 | self._WarnExcept = None\r |
0d2711a6 LG |
350 | \r |
351 | # Literal token without any conversion\r | |
352 | self._LiteralToken = ''\r | |
353 | \r | |
354 | # Public entry for this class\r | |
d0acc87a LG |
355 | # @param RealValue: False: only evaluate if the expression is true or false, used for conditional expression\r |
356 | # True : return the evaluated str(value), used for PCD value\r | |
357 | #\r | |
358 | # @return: True or False if RealValue is False\r | |
359 | # Evaluated value of string format if RealValue is True\r | |
360 | #\r | |
4afd3d04 | 361 | def __call__(self, RealValue=False, Depth=0):\r |
0d2711a6 LG |
362 | if self._NoProcess:\r |
363 | return self._Expr\r | |
364 | \r | |
4afd3d04 LG |
365 | self._Depth = Depth\r |
366 | \r | |
d0acc87a | 367 | self._Expr = self._Expr.strip()\r |
4afd3d04 | 368 | if RealValue and Depth == 0:\r |
d0acc87a LG |
369 | self._Token = self._Expr\r |
370 | if self.__IsNumberToken():\r | |
371 | return self._Expr\r | |
35f613d9 | 372 | Token = ''\r |
25918452 LG |
373 | try:\r |
374 | Token = self._GetToken()\r | |
25918452 LG |
375 | except BadExpression:\r |
376 | pass\r | |
0d1f5b2b | 377 | if isinstance(Token, type('')) and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:\r |
35f613d9 | 378 | return self._Expr\r |
d0acc87a LG |
379 | \r |
380 | self._Idx = 0\r | |
381 | self._Token = ''\r | |
382 | \r | |
bc0d7233 | 383 | Val = self._ConExpr()\r |
d0acc87a | 384 | RealVal = Val\r |
0d1f5b2b | 385 | if isinstance(Val, type('')):\r |
d0acc87a LG |
386 | if Val == 'L""':\r |
387 | Val = False\r | |
388 | elif not Val:\r | |
389 | Val = False\r | |
390 | RealVal = '""'\r | |
726c501c | 391 | elif not Val.startswith('L"') and not Val.startswith('{') and not Val.startswith("L'"):\r |
d0acc87a LG |
392 | Val = True\r |
393 | RealVal = '"' + RealVal + '"'\r | |
0d2711a6 LG |
394 | \r |
395 | # The expression has been parsed, but the end of expression is not reached\r | |
396 | # It means the rest does not comply EBNF of <Expression>\r | |
397 | if self._Idx != self._Len:\r | |
398 | raise BadExpression(ERR_SNYTAX % self._Expr[self._Idx:])\r | |
399 | \r | |
d0acc87a LG |
400 | if RealValue:\r |
401 | RetVal = str(RealVal)\r | |
402 | elif Val:\r | |
403 | RetVal = True\r | |
404 | else:\r | |
405 | RetVal = False\r | |
406 | \r | |
407 | if self._WarnExcept:\r | |
408 | self._WarnExcept.result = RetVal\r | |
409 | raise self._WarnExcept\r | |
410 | else:\r | |
411 | return RetVal\r | |
0d2711a6 LG |
412 | \r |
413 | # Template function to parse binary operators which have same precedence\r | |
414 | # Expr [Operator Expr]*\r | |
4d601fc6 | 415 | def _ExprFuncTemplate(self, EvalFunc, OpSet):\r |
0d2711a6 | 416 | Val = EvalFunc()\r |
4d601fc6 | 417 | while self._IsOperator(OpSet):\r |
0d2711a6 | 418 | Op = self._Token\r |
bc0d7233 YF |
419 | if Op == '?':\r |
420 | Val2 = EvalFunc()\r | |
4d601fc6 | 421 | if self._IsOperator({':'}):\r |
bc0d7233 YF |
422 | Val3 = EvalFunc()\r |
423 | if Val:\r | |
424 | Val = Val2\r | |
425 | else:\r | |
426 | Val = Val3\r | |
427 | continue\r | |
d0acc87a LG |
428 | try:\r |
429 | Val = self.Eval(Op, Val, EvalFunc())\r | |
5b0671c1 | 430 | except WrnExpression as Warn:\r |
d0acc87a LG |
431 | self._WarnExcept = Warn\r |
432 | Val = Warn.result\r | |
0d2711a6 | 433 | return Val\r |
bc0d7233 YF |
434 | # A [? B]*\r |
435 | def _ConExpr(self):\r | |
4d601fc6 | 436 | return self._ExprFuncTemplate(self._OrExpr, {'?', ':'})\r |
0d2711a6 LG |
437 | \r |
438 | # A [|| B]*\r | |
439 | def _OrExpr(self):\r | |
4d601fc6 | 440 | return self._ExprFuncTemplate(self._AndExpr, {"OR", "or", "||"})\r |
0d2711a6 LG |
441 | \r |
442 | # A [&& B]*\r | |
443 | def _AndExpr(self):\r | |
4d601fc6 | 444 | return self._ExprFuncTemplate(self._BitOr, {"AND", "and", "&&"})\r |
0d2711a6 LG |
445 | \r |
446 | # A [ | B]*\r | |
447 | def _BitOr(self):\r | |
4d601fc6 | 448 | return self._ExprFuncTemplate(self._BitXor, {"|"})\r |
0d2711a6 LG |
449 | \r |
450 | # A [ ^ B]*\r | |
451 | def _BitXor(self):\r | |
4d601fc6 | 452 | return self._ExprFuncTemplate(self._BitAnd, {"XOR", "xor", "^"})\r |
0d2711a6 LG |
453 | \r |
454 | # A [ & B]*\r | |
455 | def _BitAnd(self):\r | |
4d601fc6 | 456 | return self._ExprFuncTemplate(self._EqExpr, {"&"})\r |
0d2711a6 LG |
457 | \r |
458 | # A [ == B]*\r | |
459 | def _EqExpr(self):\r | |
460 | Val = self._RelExpr()\r | |
4d601fc6 | 461 | while self._IsOperator({"==", "!=", "EQ", "NE", "IN", "in", "!", "NOT", "not"}):\r |
0d2711a6 | 462 | Op = self._Token\r |
4d601fc6 CJ |
463 | if Op in {"!", "NOT", "not"}:\r |
464 | if not self._IsOperator({"IN", "in"}):\r | |
0d2711a6 LG |
465 | raise BadExpression(ERR_REL_NOT_IN)\r |
466 | Op += ' ' + self._Token\r | |
d0acc87a LG |
467 | try:\r |
468 | Val = self.Eval(Op, Val, self._RelExpr())\r | |
5b0671c1 | 469 | except WrnExpression as Warn:\r |
d0acc87a LG |
470 | self._WarnExcept = Warn\r |
471 | Val = Warn.result\r | |
0d2711a6 LG |
472 | return Val\r |
473 | \r | |
474 | # A [ > B]*\r | |
475 | def _RelExpr(self):\r | |
4d601fc6 | 476 | return self._ExprFuncTemplate(self._ShiftExpr, {"<=", ">=", "<", ">", "LE", "GE", "LT", "GT"})\r |
5e06f1a0 YZ |
477 | \r |
478 | def _ShiftExpr(self):\r | |
4d601fc6 | 479 | return self._ExprFuncTemplate(self._AddExpr, {"<<", ">>"})\r |
0d2711a6 LG |
480 | \r |
481 | # A [ + B]*\r | |
482 | def _AddExpr(self):\r | |
4d601fc6 | 483 | return self._ExprFuncTemplate(self._MulExpr, {"+", "-"})\r |
5e06f1a0 YZ |
484 | \r |
485 | # A [ * B]*\r | |
486 | def _MulExpr(self):\r | |
4d601fc6 | 487 | return self._ExprFuncTemplate(self._UnaryExpr, {"*", "/", "%"})\r |
0d2711a6 LG |
488 | \r |
489 | # [!]*A\r | |
490 | def _UnaryExpr(self):\r | |
4d601fc6 | 491 | if self._IsOperator({"!", "NOT", "not"}):\r |
0d2711a6 | 492 | Val = self._UnaryExpr()\r |
d0acc87a LG |
493 | try:\r |
494 | return self.Eval('not', Val)\r | |
5b0671c1 | 495 | except WrnExpression as Warn:\r |
d0acc87a LG |
496 | self._WarnExcept = Warn\r |
497 | return Warn.result\r | |
4d601fc6 | 498 | if self._IsOperator({"~"}):\r |
5e06f1a0 YZ |
499 | Val = self._UnaryExpr()\r |
500 | try:\r | |
501 | return self.Eval('~', Val)\r | |
5b0671c1 | 502 | except WrnExpression as Warn:\r |
5e06f1a0 YZ |
503 | self._WarnExcept = Warn\r |
504 | return Warn.result\r | |
0d2711a6 LG |
505 | return self._IdenExpr()\r |
506 | \r | |
507 | # Parse identifier or encapsulated expression\r | |
508 | def _IdenExpr(self):\r | |
509 | Tk = self._GetToken()\r | |
510 | if Tk == '(':\r | |
bc0d7233 | 511 | Val = self._ConExpr()\r |
0d2711a6 LG |
512 | try:\r |
513 | # _GetToken may also raise BadExpression\r | |
514 | if self._GetToken() != ')':\r | |
515 | raise BadExpression(ERR_MATCH)\r | |
516 | except BadExpression:\r | |
517 | raise BadExpression(ERR_MATCH)\r | |
518 | return Val\r | |
519 | return Tk\r | |
520 | \r | |
521 | # Skip whitespace or tab\r | |
522 | def __SkipWS(self):\r | |
523 | for Char in self._Expr[self._Idx:]:\r | |
524 | if Char not in ' \t':\r | |
525 | break\r | |
526 | self._Idx += 1\r | |
527 | \r | |
528 | # Try to convert string to number\r | |
529 | def __IsNumberToken(self):\r | |
530 | Radix = 10\r | |
531 | if self._Token.lower()[0:2] == '0x' and len(self._Token) > 2:\r | |
532 | Radix = 16\r | |
35f613d9 YF |
533 | if self._Token.startswith('"') or self._Token.startswith('L"'):\r |
534 | Flag = 0\r | |
535 | for Index in range(len(self._Token)):\r | |
4d601fc6 | 536 | if self._Token[Index] in {'"'}:\r |
ea927d2f FY |
537 | if self._Token[Index - 1] == '\\':\r |
538 | continue\r | |
35f613d9 YF |
539 | Flag += 1\r |
540 | if Flag == 2 and self._Token.endswith('"'):\r | |
35f613d9 YF |
541 | return True\r |
542 | if self._Token.startswith("'") or self._Token.startswith("L'"):\r | |
726c501c YZ |
543 | Flag = 0\r |
544 | for Index in range(len(self._Token)):\r | |
4d601fc6 | 545 | if self._Token[Index] in {"'"}:\r |
ea927d2f FY |
546 | if self._Token[Index - 1] == '\\':\r |
547 | continue\r | |
726c501c | 548 | Flag += 1\r |
35f613d9 | 549 | if Flag == 2 and self._Token.endswith("'"):\r |
726c501c | 550 | return True\r |
0d2711a6 LG |
551 | try:\r |
552 | self._Token = int(self._Token, Radix)\r | |
553 | return True\r | |
554 | except ValueError:\r | |
555 | return False\r | |
556 | except TypeError:\r | |
557 | return False\r | |
558 | \r | |
559 | # Parse array: {...}\r | |
560 | def __GetArray(self):\r | |
561 | Token = '{'\r | |
562 | self._Idx += 1\r | |
563 | self.__GetNList(True)\r | |
564 | Token += self._LiteralToken\r | |
565 | if self._Idx >= self._Len or self._Expr[self._Idx] != '}':\r | |
566 | raise BadExpression(ERR_ARRAY_TOKEN % Token)\r | |
567 | Token += '}'\r | |
568 | \r | |
569 | # All whitespace and tabs in array are already stripped.\r | |
570 | IsArray = IsGuid = False\r | |
571 | if len(Token.split(',')) == 11 and len(Token.split(',{')) == 2 \\r | |
572 | and len(Token.split('},')) == 1:\r | |
ccaa7754 | 573 | HexLen = [11, 6, 6, 5, 4, 4, 4, 4, 4, 4, 6]\r |
0d2711a6 LG |
574 | HexList= Token.split(',')\r |
575 | if HexList[3].startswith('{') and \\r | |
576 | not [Index for Index, Hex in enumerate(HexList) if len(Hex) > HexLen[Index]]:\r | |
577 | IsGuid = True\r | |
578 | if Token.lstrip('{').rstrip('}').find('{') == -1:\r | |
579 | if not [Hex for Hex in Token.lstrip('{').rstrip('}').split(',') if len(Hex) > 4]:\r | |
580 | IsArray = True\r | |
581 | if not IsArray and not IsGuid:\r | |
582 | raise BadExpression(ERR_ARRAY_TOKEN % Token)\r | |
583 | self._Idx += 1\r | |
584 | self._Token = self._LiteralToken = Token\r | |
585 | return self._Token\r | |
586 | \r | |
587 | # Parse string, the format must be: "..."\r | |
588 | def __GetString(self):\r | |
589 | Idx = self._Idx\r | |
590 | \r | |
591 | # Skip left quote\r | |
592 | self._Idx += 1\r | |
593 | \r | |
594 | # Replace escape \\\", \"\r | |
ea927d2f FY |
595 | if self._Expr[Idx] == '"':\r |
596 | Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace('\\\"', '\\\'')\r | |
597 | for Ch in Expr:\r | |
598 | self._Idx += 1\r | |
599 | if Ch == '"':\r | |
600 | break\r | |
601 | self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r | |
602 | if not self._Token.endswith('"'):\r | |
603 | raise BadExpression(ERR_STRING_TOKEN % self._Token)\r | |
604 | #Replace escape \\\', \'\r | |
605 | elif self._Expr[Idx] == "'":\r | |
606 | Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace("\\\'", "\\\"")\r | |
607 | for Ch in Expr:\r | |
608 | self._Idx += 1\r | |
609 | if Ch == "'":\r | |
610 | break\r | |
611 | self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r | |
612 | if not self._Token.endswith("'"):\r | |
613 | raise BadExpression(ERR_STRING_TOKEN % self._Token)\r | |
0d2711a6 LG |
614 | self._Token = self._Token[1:-1]\r |
615 | return self._Token\r | |
616 | \r | |
617 | # Get token that is comprised by alphanumeric, underscore or dot(used by PCD)\r | |
618 | # @param IsAlphaOp: Indicate if parsing general token or script operator(EQ, NE...)\r | |
619 | def __GetIdToken(self, IsAlphaOp = False):\r | |
620 | IdToken = ''\r | |
621 | for Ch in self._Expr[self._Idx:]:\r | |
bc0d7233 | 622 | if not self.__IsIdChar(Ch) or ('?' in self._Expr and Ch == ':'):\r |
0d2711a6 LG |
623 | break\r |
624 | self._Idx += 1\r | |
625 | IdToken += Ch\r | |
626 | \r | |
627 | self._Token = self._LiteralToken = IdToken\r | |
628 | if not IsAlphaOp:\r | |
629 | self.__ResolveToken()\r | |
630 | return self._Token\r | |
631 | \r | |
632 | # Try to resolve token\r | |
633 | def __ResolveToken(self):\r | |
634 | if not self._Token:\r | |
635 | raise BadExpression(ERR_EMPTY_TOKEN)\r | |
636 | \r | |
637 | # PCD token\r | |
e6c2468a | 638 | if PcdPattern.match(self._Token):\r |
0d2711a6 | 639 | if self._Token not in self._Symb:\r |
64b2609f LG |
640 | Ex = BadExpression(ERR_PCD_RESOLVE % self._Token)\r |
641 | Ex.Pcd = self._Token\r | |
642 | raise Ex\r | |
4afd3d04 | 643 | self._Token = ValueExpression(self._Symb[self._Token], self._Symb)(True, self._Depth+1)\r |
0d1f5b2b | 644 | if not isinstance(self._Token, type('')):\r |
0d2711a6 LG |
645 | self._LiteralToken = hex(self._Token)\r |
646 | return\r | |
647 | \r | |
648 | if self._Token.startswith('"'):\r | |
649 | self._Token = self._Token[1:-1]\r | |
4d601fc6 | 650 | elif self._Token in {"FALSE", "false", "False"}:\r |
0d2711a6 | 651 | self._Token = False\r |
4d601fc6 | 652 | elif self._Token in {"TRUE", "true", "True"}:\r |
0d2711a6 LG |
653 | self._Token = True\r |
654 | else:\r | |
655 | self.__IsNumberToken()\r | |
656 | \r | |
657 | def __GetNList(self, InArray=False):\r | |
658 | self._GetSingleToken()\r | |
659 | if not self.__IsHexLiteral():\r | |
660 | if InArray:\r | |
661 | raise BadExpression(ERR_ARRAY_ELE % self._Token)\r | |
662 | return self._Token\r | |
663 | \r | |
664 | self.__SkipWS()\r | |
665 | Expr = self._Expr[self._Idx:]\r | |
666 | if not Expr.startswith(','):\r | |
667 | return self._Token\r | |
668 | \r | |
669 | NList = self._LiteralToken\r | |
670 | while Expr.startswith(','):\r | |
671 | NList += ','\r | |
672 | self._Idx += 1\r | |
673 | self.__SkipWS()\r | |
674 | self._GetSingleToken()\r | |
675 | if not self.__IsHexLiteral():\r | |
676 | raise BadExpression(ERR_ARRAY_ELE % self._Token)\r | |
677 | NList += self._LiteralToken\r | |
678 | self.__SkipWS()\r | |
679 | Expr = self._Expr[self._Idx:]\r | |
680 | self._Token = self._LiteralToken = NList\r | |
681 | return self._Token\r | |
682 | \r | |
683 | def __IsHexLiteral(self):\r | |
684 | if self._LiteralToken.startswith('{') and \\r | |
685 | self._LiteralToken.endswith('}'):\r | |
686 | return True\r | |
687 | \r | |
56326323 | 688 | if gHexPattern.match(self._LiteralToken):\r |
0d2711a6 | 689 | Token = self._LiteralToken[2:]\r |
0d2711a6 LG |
690 | if not Token:\r |
691 | self._LiteralToken = '0x0'\r | |
692 | else:\r | |
35f613d9 | 693 | self._LiteralToken = '0x' + Token\r |
0d2711a6 LG |
694 | return True\r |
695 | return False\r | |
696 | \r | |
697 | def _GetToken(self):\r | |
698 | return self.__GetNList()\r | |
699 | \r | |
700 | @staticmethod\r | |
701 | def __IsIdChar(Ch):\r | |
5e06f1a0 | 702 | return Ch in '._:' or Ch.isalnum()\r |
0d2711a6 LG |
703 | \r |
704 | # Parse operand\r | |
705 | def _GetSingleToken(self):\r | |
706 | self.__SkipWS()\r | |
707 | Expr = self._Expr[self._Idx:]\r | |
708 | if Expr.startswith('L"'):\r | |
709 | # Skip L\r | |
710 | self._Idx += 1\r | |
711 | UStr = self.__GetString()\r | |
712 | self._Token = 'L"' + UStr + '"'\r | |
726c501c YZ |
713 | return self._Token\r |
714 | elif Expr.startswith("L'"):\r | |
715 | # Skip L\r | |
716 | self._Idx += 1\r | |
717 | UStr = self.__GetString()\r | |
718 | self._Token = "L'" + UStr + "'"\r | |
0d2711a6 | 719 | return self._Token\r |
726c501c YZ |
720 | elif Expr.startswith("'"):\r |
721 | UStr = self.__GetString()\r | |
722 | self._Token = "'" + UStr + "'"\r | |
726c501c YZ |
723 | return self._Token\r |
724 | elif Expr.startswith('UINT'):\r | |
725 | Re = re.compile('(?:UINT8|UINT16|UINT32|UINT64)\((.+)\)')\r | |
726 | try:\r | |
727 | RetValue = Re.search(Expr).group(1)\r | |
728 | except:\r | |
729 | raise BadExpression('Invalid Expression %s' % Expr)\r | |
730 | Idx = self._Idx\r | |
731 | for Ch in Expr:\r | |
732 | self._Idx += 1\r | |
733 | if Ch == '(':\r | |
734 | Prefix = self._Expr[Idx:self._Idx - 1]\r | |
735 | Idx = self._Idx\r | |
736 | if Ch == ')':\r | |
737 | TmpValue = self._Expr[Idx :self._Idx - 1]\r | |
738 | TmpValue = ValueExpression(TmpValue)(True)\r | |
0d1f5b2b | 739 | TmpValue = '0x%x' % int(TmpValue) if not isinstance(TmpValue, type('')) else TmpValue\r |
726c501c YZ |
740 | break\r |
741 | self._Token, Size = ParseFieldValue(Prefix + '(' + TmpValue + ')')\r | |
742 | return self._Token\r | |
0d2711a6 LG |
743 | \r |
744 | self._Token = ''\r | |
745 | if Expr:\r | |
746 | Ch = Expr[0]\r | |
b1a9e404 | 747 | Match = gGuidPattern.match(Expr)\r |
0d2711a6 LG |
748 | if Match and not Expr[Match.end():Match.end()+1].isalnum() \\r |
749 | and Expr[Match.end():Match.end()+1] != '_':\r | |
750 | self._Idx += Match.end()\r | |
4afd3d04 | 751 | self._Token = ValueExpression(GuidStringToGuidStructureString(Expr[0:Match.end()]))(True, self._Depth+1)\r |
0d2711a6 LG |
752 | return self._Token\r |
753 | elif self.__IsIdChar(Ch):\r | |
754 | return self.__GetIdToken()\r | |
755 | elif Ch == '"':\r | |
756 | return self.__GetString()\r | |
757 | elif Ch == '{':\r | |
758 | return self.__GetArray()\r | |
759 | elif Ch == '(' or Ch == ')':\r | |
760 | self._Idx += 1\r | |
761 | self._Token = Ch\r | |
762 | return self._Token\r | |
763 | \r | |
764 | raise BadExpression(ERR_VALID_TOKEN % Expr)\r | |
765 | \r | |
766 | # Parse operator\r | |
767 | def _GetOperator(self):\r | |
768 | self.__SkipWS()\r | |
ccaa7754 | 769 | LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst + ['?', ':']\r |
0d2711a6 LG |
770 | \r |
771 | self._Token = ''\r | |
772 | Expr = self._Expr[self._Idx:]\r | |
773 | \r | |
774 | # Reach end of expression\r | |
775 | if not Expr:\r | |
776 | return ''\r | |
777 | \r | |
778 | # Script operator: LT, GT, LE, GE, EQ, NE, and, or, xor, not\r | |
779 | if Expr[0].isalpha():\r | |
780 | return self.__GetIdToken(True)\r | |
781 | \r | |
782 | # Start to get regular operator: +, -, <, > ...\r | |
783 | if Expr[0] not in self.NonLetterOpLst:\r | |
784 | return ''\r | |
785 | \r | |
786 | OpToken = ''\r | |
787 | for Ch in Expr:\r | |
788 | if Ch in self.NonLetterOpLst:\r | |
f25cd80e | 789 | if Ch in ['!', '~'] and OpToken:\r |
0d2711a6 LG |
790 | break\r |
791 | self._Idx += 1\r | |
792 | OpToken += Ch\r | |
793 | else:\r | |
794 | break\r | |
795 | \r | |
796 | if OpToken not in LegalOpLst:\r | |
797 | raise BadExpression(ERR_OPERATOR_UNSUPPORT % OpToken)\r | |
798 | self._Token = OpToken\r | |
799 | return OpToken\r | |
800 | \r | |
726c501c YZ |
801 | class ValueExpressionEx(ValueExpression):\r |
802 | def __init__(self, PcdValue, PcdType, SymbolTable={}):\r | |
803 | ValueExpression.__init__(self, PcdValue, SymbolTable)\r | |
804 | self.PcdValue = PcdValue\r | |
805 | self.PcdType = PcdType\r | |
806 | \r | |
807 | def __call__(self, RealValue=False, Depth=0):\r | |
808 | PcdValue = self.PcdValue\r | |
809 | try:\r | |
810 | PcdValue = ValueExpression.__call__(self, RealValue, Depth)\r | |
656d2539 | 811 | if self.PcdType == TAB_VOID and (PcdValue.startswith("'") or PcdValue.startswith("L'")):\r |
0e6b8673 FY |
812 | PcdValue, Size = ParseFieldValue(PcdValue)\r |
813 | PcdValueList = []\r | |
814 | for I in range(Size):\r | |
815 | PcdValueList.append('0x%02X'%(PcdValue & 0xff))\r | |
816 | PcdValue = PcdValue >> 8\r | |
817 | PcdValue = '{' + ','.join(PcdValueList) + '}'\r | |
656d2539 | 818 | elif self.PcdType in TAB_PCD_NUMERIC_TYPES and (PcdValue.startswith("'") or \\r |
35f613d9 YF |
819 | PcdValue.startswith('"') or PcdValue.startswith("L'") or PcdValue.startswith('L"') or PcdValue.startswith('{')):\r |
820 | raise BadExpression\r | |
5b0671c1 | 821 | except WrnExpression as Value:\r |
726c501c | 822 | PcdValue = Value.result\r |
5b0671c1 | 823 | except BadExpression as Value:\r |
656d2539 | 824 | if self.PcdType in TAB_PCD_NUMERIC_TYPES:\r |
35f613d9 | 825 | PcdValue = PcdValue.strip()\r |
b813843c | 826 | if PcdValue.startswith('{') and PcdValue.endswith('}'):\r |
3be421e9 | 827 | PcdValue = SplitPcdValueString(PcdValue[1:-1])\r |
0d1f5b2b | 828 | if isinstance(PcdValue, type([])):\r |
35f613d9 | 829 | TmpValue = 0\r |
726c501c | 830 | Size = 0\r |
3be421e9 | 831 | ValueType = ''\r |
35f613d9 | 832 | for Item in PcdValue:\r |
3be421e9 | 833 | Item = Item.strip()\r |
656d2539 | 834 | if Item.startswith(TAB_UINT8):\r |
0e6b8673 | 835 | ItemSize = 1\r |
656d2539 CJ |
836 | ValueType = TAB_UINT8\r |
837 | elif Item.startswith(TAB_UINT16):\r | |
35f613d9 | 838 | ItemSize = 2\r |
656d2539 CJ |
839 | ValueType = TAB_UINT16\r |
840 | elif Item.startswith(TAB_UINT32):\r | |
35f613d9 | 841 | ItemSize = 4\r |
656d2539 CJ |
842 | ValueType = TAB_UINT32\r |
843 | elif Item.startswith(TAB_UINT64):\r | |
35f613d9 | 844 | ItemSize = 8\r |
656d2539 | 845 | ValueType = TAB_UINT64\r |
ccaa7754 | 846 | elif Item[0] in {'"', "'", 'L'}:\r |
3be421e9 | 847 | ItemSize = 0\r |
656d2539 | 848 | ValueType = TAB_VOID\r |
35f613d9 YF |
849 | else:\r |
850 | ItemSize = 0\r | |
656d2539 | 851 | ValueType = TAB_UINT8\r |
3be421e9 | 852 | Item = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r |
35f613d9 YF |
853 | \r |
854 | if ItemSize == 0:\r | |
3be421e9 | 855 | try:\r |
0944818a | 856 | tmpValue = int(Item, 0)\r |
3be421e9 FY |
857 | if tmpValue > 255:\r |
858 | raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r | |
5b0671c1 | 859 | except BadExpression as Value:\r |
3be421e9 FY |
860 | raise BadExpression(Value)\r |
861 | except ValueError:\r | |
862 | pass\r | |
35f613d9 YF |
863 | ItemValue, ItemSize = ParseFieldValue(Item)\r |
864 | else:\r | |
865 | ItemValue = ParseFieldValue(Item)[0]\r | |
866 | \r | |
0d1f5b2b | 867 | if isinstance(ItemValue, type('')):\r |
0944818a | 868 | ItemValue = int(ItemValue, 0)\r |
35f613d9 YF |
869 | \r |
870 | TmpValue = (ItemValue << (Size * 8)) | TmpValue\r | |
871 | Size = Size + ItemSize\r | |
872 | else:\r | |
0e6b8673 FY |
873 | try:\r |
874 | TmpValue, Size = ParseFieldValue(PcdValue)\r | |
5b0671c1 | 875 | except BadExpression as Value:\r |
9efe8d60 | 876 | raise BadExpression("Type: %s, Value: %s, %s" % (self.PcdType, PcdValue, Value))\r |
0d1f5b2b | 877 | if isinstance(TmpValue, type('')):\r |
9efe8d60 YF |
878 | try:\r |
879 | TmpValue = int(TmpValue)\r | |
880 | except:\r | |
881 | raise BadExpression(Value)\r | |
35f613d9 YF |
882 | else:\r |
883 | PcdValue = '0x%0{}X'.format(Size) % (TmpValue)\r | |
884 | if TmpValue < 0:\r | |
885 | raise BadExpression('Type %s PCD Value is negative' % self.PcdType)\r | |
656d2539 | 886 | if self.PcdType == TAB_UINT8 and Size > 1:\r |
35f613d9 | 887 | raise BadExpression('Type %s PCD Value Size is Larger than 1 byte' % self.PcdType)\r |
656d2539 | 888 | if self.PcdType == TAB_UINT16 and Size > 2:\r |
35f613d9 | 889 | raise BadExpression('Type %s PCD Value Size is Larger than 2 byte' % self.PcdType)\r |
656d2539 | 890 | if self.PcdType == TAB_UINT32 and Size > 4:\r |
35f613d9 | 891 | raise BadExpression('Type %s PCD Value Size is Larger than 4 byte' % self.PcdType)\r |
656d2539 | 892 | if self.PcdType == TAB_UINT64 and Size > 8:\r |
35f613d9 | 893 | raise BadExpression('Type %s PCD Value Size is Larger than 8 byte' % self.PcdType)\r |
6f49996c | 894 | else:\r |
35f613d9 | 895 | try:\r |
39456d00 | 896 | TmpValue = int(PcdValue)\r |
35f613d9 YF |
897 | TmpList = []\r |
898 | if TmpValue.bit_length() == 0:\r | |
899 | PcdValue = '{0x00}'\r | |
726c501c | 900 | else:\r |
35f613d9 YF |
901 | for I in range((TmpValue.bit_length() + 7) / 8):\r |
902 | TmpList.append('0x%02x' % ((TmpValue >> I * 8) & 0xff))\r | |
903 | PcdValue = '{' + ', '.join(TmpList) + '}'\r | |
904 | except:\r | |
905 | if PcdValue.strip().startswith('{'):\r | |
3be421e9 FY |
906 | PcdValueList = SplitPcdValueString(PcdValue.strip()[1:-1])\r |
907 | LabelDict = {}\r | |
908 | NewPcdValueList = []\r | |
3be421e9 | 909 | LabelOffset = 0\r |
e52aed0d | 910 | for Item in PcdValueList:\r |
3be421e9 | 911 | # compute byte offset of every LABEL\r |
38504ad3 CJ |
912 | LabelList = _ReLabel.findall(Item)\r |
913 | Item = _ReLabel.sub('', Item)\r | |
b31501c9 | 914 | Item = Item.strip()\r |
5ac0a545 | 915 | if LabelList:\r |
3be421e9 | 916 | for Label in LabelList:\r |
1f901a89 | 917 | if not IsValidCName(Label):\r |
5ac0a545 | 918 | raise BadExpression('%s is not a valid c variable name' % Label)\r |
9eb87141 | 919 | if Label not in LabelDict:\r |
3be421e9 | 920 | LabelDict[Label] = str(LabelOffset)\r |
656d2539 | 921 | if Item.startswith(TAB_UINT8):\r |
3be421e9 | 922 | LabelOffset = LabelOffset + 1\r |
656d2539 | 923 | elif Item.startswith(TAB_UINT16):\r |
3be421e9 | 924 | LabelOffset = LabelOffset + 2\r |
656d2539 | 925 | elif Item.startswith(TAB_UINT32):\r |
3be421e9 | 926 | LabelOffset = LabelOffset + 4\r |
656d2539 | 927 | elif Item.startswith(TAB_UINT64):\r |
3be421e9 FY |
928 | LabelOffset = LabelOffset + 8\r |
929 | else:\r | |
8bd72d7c | 930 | try:\r |
8bd72d7c KM |
931 | ItemValue, ItemSize = ParseFieldValue(Item)\r |
932 | LabelOffset = LabelOffset + ItemSize\r | |
35f613d9 | 933 | except:\r |
3be421e9 FY |
934 | LabelOffset = LabelOffset + 1\r |
935 | \r | |
e52aed0d | 936 | for Item in PcdValueList:\r |
3be421e9 FY |
937 | # for LABEL parse\r |
938 | Item = Item.strip()\r | |
939 | try:\r | |
38504ad3 | 940 | Item = _ReLabel.sub('', Item)\r |
3be421e9 FY |
941 | except:\r |
942 | pass\r | |
943 | try:\r | |
38504ad3 | 944 | OffsetList = _ReOffset.findall(Item)\r |
3be421e9 FY |
945 | except:\r |
946 | pass\r | |
cc0321f2 | 947 | # replace each offset, except errors\r |
3be421e9 | 948 | for Offset in OffsetList:\r |
cc0321f2 | 949 | try:\r |
ccaa7754 | 950 | Item = Item.replace('OFFSET_OF({})'.format(Offset), LabelDict[Offset])\r |
cc0321f2 | 951 | except:\r |
3be421e9 | 952 | raise BadExpression('%s not defined' % Offset)\r |
cc0321f2 | 953 | \r |
3be421e9 FY |
954 | NewPcdValueList.append(Item)\r |
955 | \r | |
956 | AllPcdValueList = []\r | |
957 | for Item in NewPcdValueList:\r | |
958 | Size = 0\r | |
959 | ValueStr = ''\r | |
960 | TokenSpaceGuidName = ''\r | |
91fa33ee | 961 | if Item.startswith(TAB_GUID) and Item.endswith(')'):\r |
35f613d9 | 962 | try:\r |
3be421e9 | 963 | TokenSpaceGuidName = re.search('GUID\((\w+)\)', Item).group(1)\r |
35f613d9 YF |
964 | except:\r |
965 | pass\r | |
3be421e9 FY |
966 | if TokenSpaceGuidName and TokenSpaceGuidName in self._Symb:\r |
967 | Item = 'GUID(' + self._Symb[TokenSpaceGuidName] + ')'\r | |
968 | elif TokenSpaceGuidName:\r | |
969 | raise BadExpression('%s not found in DEC file' % TokenSpaceGuidName)\r | |
970 | Item, Size = ParseFieldValue(Item)\r | |
971 | for Index in range(0, Size):\r | |
972 | ValueStr = '0x%02X' % (int(Item) & 255)\r | |
973 | Item >>= 8\r | |
974 | AllPcdValueList.append(ValueStr)\r | |
975 | continue\r | |
976 | elif Item.startswith('DEVICE_PATH') and Item.endswith(')'):\r | |
977 | Item, Size = ParseFieldValue(Item)\r | |
978 | AllPcdValueList.append(Item[1:-1])\r | |
979 | continue\r | |
980 | else:\r | |
35f613d9 | 981 | ValueType = ""\r |
656d2539 | 982 | if Item.startswith(TAB_UINT8):\r |
35f613d9 | 983 | ItemSize = 1\r |
656d2539 CJ |
984 | ValueType = TAB_UINT8\r |
985 | elif Item.startswith(TAB_UINT16):\r | |
35f613d9 | 986 | ItemSize = 2\r |
656d2539 CJ |
987 | ValueType = TAB_UINT16\r |
988 | elif Item.startswith(TAB_UINT32):\r | |
35f613d9 | 989 | ItemSize = 4\r |
656d2539 CJ |
990 | ValueType = TAB_UINT32\r |
991 | elif Item.startswith(TAB_UINT64):\r | |
35f613d9 | 992 | ItemSize = 8\r |
656d2539 | 993 | ValueType = TAB_UINT64\r |
35f613d9 YF |
994 | else:\r |
995 | ItemSize = 0\r | |
996 | if ValueType:\r | |
997 | TmpValue = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r | |
998 | else:\r | |
999 | TmpValue = ValueExpressionEx(Item, self.PcdType, self._Symb)(True)\r | |
0d1f5b2b | 1000 | Item = '0x%x' % TmpValue if not isinstance(TmpValue, type('')) else TmpValue\r |
35f613d9 YF |
1001 | if ItemSize == 0:\r |
1002 | ItemValue, ItemSize = ParseFieldValue(Item)\r | |
ccaa7754 | 1003 | if Item[0] not in {'"', 'L', '{'} and ItemSize > 1:\r |
3be421e9 | 1004 | raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r |
35f613d9 YF |
1005 | else:\r |
1006 | ItemValue = ParseFieldValue(Item)[0]\r | |
1007 | for I in range(0, ItemSize):\r | |
3be421e9 | 1008 | ValueStr = '0x%02X' % (int(ItemValue) & 255)\r |
35f613d9 | 1009 | ItemValue >>= 8\r |
3be421e9 | 1010 | AllPcdValueList.append(ValueStr)\r |
35f613d9 YF |
1011 | Size += ItemSize\r |
1012 | \r | |
3be421e9 FY |
1013 | if Size > 0:\r |
1014 | PcdValue = '{' + ','.join(AllPcdValueList) + '}'\r | |
0e6b8673 | 1015 | else:\r |
9efe8d60 | 1016 | raise BadExpression("Type: %s, Value: %s, %s"%(self.PcdType, PcdValue, Value))\r |
0e6b8673 | 1017 | \r |
35f613d9 YF |
1018 | if PcdValue == 'True':\r |
1019 | PcdValue = '1'\r | |
1020 | if PcdValue == 'False':\r | |
1021 | PcdValue = '0'\r | |
726c501c | 1022 | \r |
726c501c YZ |
1023 | if RealValue:\r |
1024 | return PcdValue\r | |
1025 | \r | |
0d2711a6 LG |
1026 | if __name__ == '__main__':\r |
1027 | pass\r | |
d0acc87a LG |
1028 | while True:\r |
1029 | input = raw_input('Input expr: ')\r | |
1030 | if input in 'qQ':\r | |
1031 | break\r | |
1032 | try:\r | |
72443dd2 GL |
1033 | print(ValueExpression(input)(True))\r |
1034 | print(ValueExpression(input)(False))\r | |
5b0671c1 | 1035 | except WrnExpression as Ex:\r |
72443dd2 GL |
1036 | print(Ex.result)\r |
1037 | print(str(Ex))\r | |
5b0671c1 | 1038 | except Exception as Ex:\r |
72443dd2 | 1039 | print(str(Ex))\r |