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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 | |
72443dd2 | 15 | from __future__ import print_function\r |
0d2711a6 LG |
16 | from Common.GlobalData import *\r |
17 | from CommonDataClass.Exceptions import BadExpression\r | |
0d2711a6 | 18 | from CommonDataClass.Exceptions import WrnExpression\r |
8565b582 | 19 | from Misc import GuidStringToGuidStructureString, ParseFieldValue, IsFieldValueAnArray\r |
726c501c YZ |
20 | import Common.EdkLogger as EdkLogger\r |
21 | import copy\r | |
656d2539 | 22 | from Common.DataType import *\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 | |
30 | ERR_PCD_RESOLVE = 'PCD token cannot be resolved: [%s].'\r | |
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 | |
139 | if IsFieldValueAnArray(InputValue):\r | |
8565b582 | 140 | try:\r |
656d2539 | 141 | PcdValue = ValueExpressionEx(InputValue, TAB_VOID, GuidDict)(True)\r |
8565b582 YZ |
142 | except:\r |
143 | pass\r | |
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 | |
257 | type(0L) : 0,\r | |
258 | type('') : 1,\r | |
259 | type(True) : 2\r | |
260 | }\r | |
261 | \r | |
262 | EvalStr = ''\r | |
4d601fc6 | 263 | if Operator in {"!", "NOT", "not"}:\r |
0d1f5b2b | 264 | if isinstance(Oprand1, type('')):\r |
0d2711a6 LG |
265 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
266 | EvalStr = 'not Oprand1'\r | |
4d601fc6 | 267 | elif Operator in {"~"}:\r |
0d1f5b2b | 268 | if isinstance(Oprand1, type('')):\r |
5e06f1a0 YZ |
269 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
270 | EvalStr = '~ Oprand1'\r | |
0d2711a6 | 271 | else:\r |
4d601fc6 | 272 | if Operator in {"+", "-"} and (type(True) in {type(Oprand1), type(Oprand2)}):\r |
0d2711a6 LG |
273 | # Boolean in '+'/'-' will be evaluated but raise warning\r |
274 | WrnExp = WrnExpression(WRN_BOOL_EXPR)\r | |
0d1f5b2b | 275 | elif type('') in {type(Oprand1), type(Oprand2)} and not isinstance(Oprand1, type(Oprand2)):\r |
0d2711a6 LG |
276 | # == between string and number/boolean will always return False, != return True\r |
277 | if Operator == "==":\r | |
278 | WrnExp = WrnExpression(WRN_EQCMP_STR_OTHERS)\r | |
279 | WrnExp.result = False\r | |
280 | raise WrnExp\r | |
281 | elif Operator == "!=":\r | |
282 | WrnExp = WrnExpression(WRN_NECMP_STR_OTHERS)\r | |
283 | WrnExp.result = True\r | |
284 | raise WrnExp\r | |
285 | else:\r | |
286 | raise BadExpression(ERR_RELCMP_STR_OTHERS % Operator)\r | |
d0acc87a | 287 | elif TypeDict[type(Oprand1)] != TypeDict[type(Oprand2)]:\r |
4d601fc6 | 288 | if Operator in {"==", "!=", ">=", "<=", ">", "<"} and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r |
0d2711a6 LG |
289 | # comparison between number and boolean is allowed\r |
290 | pass\r | |
4d601fc6 | 291 | elif Operator in {'&', '|', '^', "and", "or"} and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r |
0d2711a6 | 292 | # bitwise and logical operation between number and boolean is allowed\r |
d0acc87a | 293 | pass\r |
0d2711a6 LG |
294 | else:\r |
295 | raise BadExpression(ERR_EXPR_TYPE)\r | |
0d1f5b2b | 296 | if isinstance(Oprand1, type('')) and isinstance(Oprand2, type('')):\r |
0d2711a6 LG |
297 | if (Oprand1.startswith('L"') and not Oprand2.startswith('L"')) or \\r |
298 | (not Oprand1.startswith('L"') and Oprand2.startswith('L"')):\r | |
299 | raise BadExpression(ERR_STRING_CMP % (Oprand1, Operator, Oprand2))\r | |
0d1f5b2b | 300 | if 'in' in Operator and isinstance(Oprand2, type('')):\r |
0d2711a6 LG |
301 | Oprand2 = Oprand2.split()\r |
302 | EvalStr = 'Oprand1 ' + Operator + ' Oprand2'\r | |
303 | \r | |
304 | # Local symbols used by built in eval function\r | |
305 | Dict = {\r | |
306 | 'Oprand1' : Oprand1,\r | |
307 | 'Oprand2' : Oprand2\r | |
308 | }\r | |
309 | try:\r | |
310 | Val = eval(EvalStr, {}, Dict)\r | |
5b0671c1 | 311 | except Exception as Excpt:\r |
0d2711a6 LG |
312 | raise BadExpression(str(Excpt))\r |
313 | \r | |
4d601fc6 | 314 | if Operator in {'and', 'or'}:\r |
0d2711a6 LG |
315 | if Val:\r |
316 | Val = True\r | |
317 | else:\r | |
318 | Val = False\r | |
d0acc87a | 319 | \r |
0d2711a6 LG |
320 | if WrnExp:\r |
321 | WrnExp.result = Val\r | |
322 | raise WrnExp\r | |
323 | return Val\r | |
324 | \r | |
325 | def __init__(self, Expression, SymbolTable={}):\r | |
b2aeaf57 | 326 | super(ValueExpression, self).__init__(self, Expression, SymbolTable)\r |
0d2711a6 | 327 | self._NoProcess = False\r |
0d1f5b2b | 328 | if not isinstance(Expression, type('')):\r |
0d2711a6 LG |
329 | self._Expr = Expression\r |
330 | self._NoProcess = True\r | |
331 | return\r | |
332 | \r | |
333 | self._Expr = ReplaceExprMacro(Expression.strip(),\r | |
334 | SymbolTable,\r | |
64b2609f | 335 | SupportedInMacroList)\r |
0d2711a6 LG |
336 | \r |
337 | if not self._Expr.strip():\r | |
d0acc87a | 338 | raise BadExpression(ERR_EMPTY_EXPR)\r |
0d2711a6 LG |
339 | \r |
340 | #\r | |
341 | # The symbol table including PCD and macro mapping\r | |
342 | #\r | |
726c501c | 343 | self._Symb = copy.deepcopy(SymbolTable)\r |
0d2711a6 LG |
344 | self._Symb.update(self.LogicalOperators)\r |
345 | self._Idx = 0\r | |
346 | self._Len = len(self._Expr)\r | |
347 | self._Token = ''\r | |
d0acc87a | 348 | self._WarnExcept = None\r |
0d2711a6 LG |
349 | \r |
350 | # Literal token without any conversion\r | |
351 | self._LiteralToken = ''\r | |
352 | \r | |
353 | # Public entry for this class\r | |
d0acc87a LG |
354 | # @param RealValue: False: only evaluate if the expression is true or false, used for conditional expression\r |
355 | # True : return the evaluated str(value), used for PCD value\r | |
356 | #\r | |
357 | # @return: True or False if RealValue is False\r | |
358 | # Evaluated value of string format if RealValue is True\r | |
359 | #\r | |
4afd3d04 | 360 | def __call__(self, RealValue=False, Depth=0):\r |
0d2711a6 LG |
361 | if self._NoProcess:\r |
362 | return self._Expr\r | |
363 | \r | |
4afd3d04 LG |
364 | self._Depth = Depth\r |
365 | \r | |
d0acc87a | 366 | self._Expr = self._Expr.strip()\r |
4afd3d04 | 367 | if RealValue and Depth == 0:\r |
d0acc87a LG |
368 | self._Token = self._Expr\r |
369 | if self.__IsNumberToken():\r | |
370 | return self._Expr\r | |
35f613d9 | 371 | Token = ''\r |
25918452 LG |
372 | try:\r |
373 | Token = self._GetToken()\r | |
25918452 LG |
374 | except BadExpression:\r |
375 | pass\r | |
0d1f5b2b | 376 | if isinstance(Token, type('')) and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:\r |
35f613d9 | 377 | return self._Expr\r |
d0acc87a LG |
378 | \r |
379 | self._Idx = 0\r | |
380 | self._Token = ''\r | |
381 | \r | |
bc0d7233 | 382 | Val = self._ConExpr()\r |
d0acc87a | 383 | RealVal = Val\r |
0d1f5b2b | 384 | if isinstance(Val, type('')):\r |
d0acc87a LG |
385 | if Val == 'L""':\r |
386 | Val = False\r | |
387 | elif not Val:\r | |
388 | Val = False\r | |
389 | RealVal = '""'\r | |
726c501c | 390 | elif not Val.startswith('L"') and not Val.startswith('{') and not Val.startswith("L'"):\r |
d0acc87a LG |
391 | Val = True\r |
392 | RealVal = '"' + RealVal + '"'\r | |
0d2711a6 LG |
393 | \r |
394 | # The expression has been parsed, but the end of expression is not reached\r | |
395 | # It means the rest does not comply EBNF of <Expression>\r | |
396 | if self._Idx != self._Len:\r | |
397 | raise BadExpression(ERR_SNYTAX % self._Expr[self._Idx:])\r | |
398 | \r | |
d0acc87a LG |
399 | if RealValue:\r |
400 | RetVal = str(RealVal)\r | |
401 | elif Val:\r | |
402 | RetVal = True\r | |
403 | else:\r | |
404 | RetVal = False\r | |
405 | \r | |
406 | if self._WarnExcept:\r | |
407 | self._WarnExcept.result = RetVal\r | |
408 | raise self._WarnExcept\r | |
409 | else:\r | |
410 | return RetVal\r | |
0d2711a6 LG |
411 | \r |
412 | # Template function to parse binary operators which have same precedence\r | |
413 | # Expr [Operator Expr]*\r | |
4d601fc6 | 414 | def _ExprFuncTemplate(self, EvalFunc, OpSet):\r |
0d2711a6 | 415 | Val = EvalFunc()\r |
4d601fc6 | 416 | while self._IsOperator(OpSet):\r |
0d2711a6 | 417 | Op = self._Token\r |
bc0d7233 YF |
418 | if Op == '?':\r |
419 | Val2 = EvalFunc()\r | |
4d601fc6 | 420 | if self._IsOperator({':'}):\r |
bc0d7233 YF |
421 | Val3 = EvalFunc()\r |
422 | if Val:\r | |
423 | Val = Val2\r | |
424 | else:\r | |
425 | Val = Val3\r | |
426 | continue\r | |
d0acc87a LG |
427 | try:\r |
428 | Val = self.Eval(Op, Val, EvalFunc())\r | |
5b0671c1 | 429 | except WrnExpression as Warn:\r |
d0acc87a LG |
430 | self._WarnExcept = Warn\r |
431 | Val = Warn.result\r | |
0d2711a6 | 432 | return Val\r |
bc0d7233 YF |
433 | # A [? B]*\r |
434 | def _ConExpr(self):\r | |
4d601fc6 | 435 | return self._ExprFuncTemplate(self._OrExpr, {'?', ':'})\r |
0d2711a6 LG |
436 | \r |
437 | # A [|| B]*\r | |
438 | def _OrExpr(self):\r | |
4d601fc6 | 439 | return self._ExprFuncTemplate(self._AndExpr, {"OR", "or", "||"})\r |
0d2711a6 LG |
440 | \r |
441 | # A [&& B]*\r | |
442 | def _AndExpr(self):\r | |
4d601fc6 | 443 | return self._ExprFuncTemplate(self._BitOr, {"AND", "and", "&&"})\r |
0d2711a6 LG |
444 | \r |
445 | # A [ | B]*\r | |
446 | def _BitOr(self):\r | |
4d601fc6 | 447 | return self._ExprFuncTemplate(self._BitXor, {"|"})\r |
0d2711a6 LG |
448 | \r |
449 | # A [ ^ B]*\r | |
450 | def _BitXor(self):\r | |
4d601fc6 | 451 | return self._ExprFuncTemplate(self._BitAnd, {"XOR", "xor", "^"})\r |
0d2711a6 LG |
452 | \r |
453 | # A [ & B]*\r | |
454 | def _BitAnd(self):\r | |
4d601fc6 | 455 | return self._ExprFuncTemplate(self._EqExpr, {"&"})\r |
0d2711a6 LG |
456 | \r |
457 | # A [ == B]*\r | |
458 | def _EqExpr(self):\r | |
459 | Val = self._RelExpr()\r | |
4d601fc6 | 460 | while self._IsOperator({"==", "!=", "EQ", "NE", "IN", "in", "!", "NOT", "not"}):\r |
0d2711a6 | 461 | Op = self._Token\r |
4d601fc6 CJ |
462 | if Op in {"!", "NOT", "not"}:\r |
463 | if not self._IsOperator({"IN", "in"}):\r | |
0d2711a6 LG |
464 | raise BadExpression(ERR_REL_NOT_IN)\r |
465 | Op += ' ' + self._Token\r | |
d0acc87a LG |
466 | try:\r |
467 | Val = self.Eval(Op, Val, self._RelExpr())\r | |
5b0671c1 | 468 | except WrnExpression as Warn:\r |
d0acc87a LG |
469 | self._WarnExcept = Warn\r |
470 | Val = Warn.result\r | |
0d2711a6 LG |
471 | return Val\r |
472 | \r | |
473 | # A [ > B]*\r | |
474 | def _RelExpr(self):\r | |
4d601fc6 | 475 | return self._ExprFuncTemplate(self._ShiftExpr, {"<=", ">=", "<", ">", "LE", "GE", "LT", "GT"})\r |
5e06f1a0 YZ |
476 | \r |
477 | def _ShiftExpr(self):\r | |
4d601fc6 | 478 | return self._ExprFuncTemplate(self._AddExpr, {"<<", ">>"})\r |
0d2711a6 LG |
479 | \r |
480 | # A [ + B]*\r | |
481 | def _AddExpr(self):\r | |
4d601fc6 | 482 | return self._ExprFuncTemplate(self._MulExpr, {"+", "-"})\r |
5e06f1a0 YZ |
483 | \r |
484 | # A [ * B]*\r | |
485 | def _MulExpr(self):\r | |
4d601fc6 | 486 | return self._ExprFuncTemplate(self._UnaryExpr, {"*", "/", "%"})\r |
0d2711a6 LG |
487 | \r |
488 | # [!]*A\r | |
489 | def _UnaryExpr(self):\r | |
4d601fc6 | 490 | if self._IsOperator({"!", "NOT", "not"}):\r |
0d2711a6 | 491 | Val = self._UnaryExpr()\r |
d0acc87a LG |
492 | try:\r |
493 | return self.Eval('not', Val)\r | |
5b0671c1 | 494 | except WrnExpression as Warn:\r |
d0acc87a LG |
495 | self._WarnExcept = Warn\r |
496 | return Warn.result\r | |
4d601fc6 | 497 | if self._IsOperator({"~"}):\r |
5e06f1a0 YZ |
498 | Val = self._UnaryExpr()\r |
499 | try:\r | |
500 | return self.Eval('~', Val)\r | |
5b0671c1 | 501 | except WrnExpression as Warn:\r |
5e06f1a0 YZ |
502 | self._WarnExcept = Warn\r |
503 | return Warn.result\r | |
0d2711a6 LG |
504 | return self._IdenExpr()\r |
505 | \r | |
506 | # Parse identifier or encapsulated expression\r | |
507 | def _IdenExpr(self):\r | |
508 | Tk = self._GetToken()\r | |
509 | if Tk == '(':\r | |
bc0d7233 | 510 | Val = self._ConExpr()\r |
0d2711a6 LG |
511 | try:\r |
512 | # _GetToken may also raise BadExpression\r | |
513 | if self._GetToken() != ')':\r | |
514 | raise BadExpression(ERR_MATCH)\r | |
515 | except BadExpression:\r | |
516 | raise BadExpression(ERR_MATCH)\r | |
517 | return Val\r | |
518 | return Tk\r | |
519 | \r | |
520 | # Skip whitespace or tab\r | |
521 | def __SkipWS(self):\r | |
522 | for Char in self._Expr[self._Idx:]:\r | |
523 | if Char not in ' \t':\r | |
524 | break\r | |
525 | self._Idx += 1\r | |
526 | \r | |
527 | # Try to convert string to number\r | |
528 | def __IsNumberToken(self):\r | |
529 | Radix = 10\r | |
530 | if self._Token.lower()[0:2] == '0x' and len(self._Token) > 2:\r | |
531 | Radix = 16\r | |
35f613d9 YF |
532 | if self._Token.startswith('"') or self._Token.startswith('L"'):\r |
533 | Flag = 0\r | |
534 | for Index in range(len(self._Token)):\r | |
4d601fc6 | 535 | if self._Token[Index] in {'"'}:\r |
ea927d2f FY |
536 | if self._Token[Index - 1] == '\\':\r |
537 | continue\r | |
35f613d9 YF |
538 | Flag += 1\r |
539 | if Flag == 2 and self._Token.endswith('"'):\r | |
35f613d9 YF |
540 | return True\r |
541 | if self._Token.startswith("'") or self._Token.startswith("L'"):\r | |
726c501c YZ |
542 | Flag = 0\r |
543 | for Index in range(len(self._Token)):\r | |
4d601fc6 | 544 | if self._Token[Index] in {"'"}:\r |
ea927d2f FY |
545 | if self._Token[Index - 1] == '\\':\r |
546 | continue\r | |
726c501c | 547 | Flag += 1\r |
35f613d9 | 548 | if Flag == 2 and self._Token.endswith("'"):\r |
726c501c | 549 | return True\r |
0d2711a6 LG |
550 | try:\r |
551 | self._Token = int(self._Token, Radix)\r | |
552 | return True\r | |
553 | except ValueError:\r | |
554 | return False\r | |
555 | except TypeError:\r | |
556 | return False\r | |
557 | \r | |
558 | # Parse array: {...}\r | |
559 | def __GetArray(self):\r | |
560 | Token = '{'\r | |
561 | self._Idx += 1\r | |
562 | self.__GetNList(True)\r | |
563 | Token += self._LiteralToken\r | |
564 | if self._Idx >= self._Len or self._Expr[self._Idx] != '}':\r | |
565 | raise BadExpression(ERR_ARRAY_TOKEN % Token)\r | |
566 | Token += '}'\r | |
567 | \r | |
568 | # All whitespace and tabs in array are already stripped.\r | |
569 | IsArray = IsGuid = False\r | |
570 | if len(Token.split(',')) == 11 and len(Token.split(',{')) == 2 \\r | |
571 | and len(Token.split('},')) == 1:\r | |
ccaa7754 | 572 | HexLen = [11, 6, 6, 5, 4, 4, 4, 4, 4, 4, 6]\r |
0d2711a6 LG |
573 | HexList= Token.split(',')\r |
574 | if HexList[3].startswith('{') and \\r | |
575 | not [Index for Index, Hex in enumerate(HexList) if len(Hex) > HexLen[Index]]:\r | |
576 | IsGuid = True\r | |
577 | if Token.lstrip('{').rstrip('}').find('{') == -1:\r | |
578 | if not [Hex for Hex in Token.lstrip('{').rstrip('}').split(',') if len(Hex) > 4]:\r | |
579 | IsArray = True\r | |
580 | if not IsArray and not IsGuid:\r | |
581 | raise BadExpression(ERR_ARRAY_TOKEN % Token)\r | |
582 | self._Idx += 1\r | |
583 | self._Token = self._LiteralToken = Token\r | |
584 | return self._Token\r | |
585 | \r | |
586 | # Parse string, the format must be: "..."\r | |
587 | def __GetString(self):\r | |
588 | Idx = self._Idx\r | |
589 | \r | |
590 | # Skip left quote\r | |
591 | self._Idx += 1\r | |
592 | \r | |
593 | # Replace escape \\\", \"\r | |
ea927d2f FY |
594 | if self._Expr[Idx] == '"':\r |
595 | Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace('\\\"', '\\\'')\r | |
596 | for Ch in Expr:\r | |
597 | self._Idx += 1\r | |
598 | if Ch == '"':\r | |
599 | break\r | |
600 | self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r | |
601 | if not self._Token.endswith('"'):\r | |
602 | raise BadExpression(ERR_STRING_TOKEN % self._Token)\r | |
603 | #Replace escape \\\', \'\r | |
604 | elif self._Expr[Idx] == "'":\r | |
605 | Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace("\\\'", "\\\"")\r | |
606 | for Ch in Expr:\r | |
607 | self._Idx += 1\r | |
608 | if Ch == "'":\r | |
609 | break\r | |
610 | self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r | |
611 | if not self._Token.endswith("'"):\r | |
612 | raise BadExpression(ERR_STRING_TOKEN % self._Token)\r | |
0d2711a6 LG |
613 | self._Token = self._Token[1:-1]\r |
614 | return self._Token\r | |
615 | \r | |
616 | # Get token that is comprised by alphanumeric, underscore or dot(used by PCD)\r | |
617 | # @param IsAlphaOp: Indicate if parsing general token or script operator(EQ, NE...)\r | |
618 | def __GetIdToken(self, IsAlphaOp = False):\r | |
619 | IdToken = ''\r | |
620 | for Ch in self._Expr[self._Idx:]:\r | |
bc0d7233 | 621 | if not self.__IsIdChar(Ch) or ('?' in self._Expr and Ch == ':'):\r |
0d2711a6 LG |
622 | break\r |
623 | self._Idx += 1\r | |
624 | IdToken += Ch\r | |
625 | \r | |
626 | self._Token = self._LiteralToken = IdToken\r | |
627 | if not IsAlphaOp:\r | |
628 | self.__ResolveToken()\r | |
629 | return self._Token\r | |
630 | \r | |
631 | # Try to resolve token\r | |
632 | def __ResolveToken(self):\r | |
633 | if not self._Token:\r | |
634 | raise BadExpression(ERR_EMPTY_TOKEN)\r | |
635 | \r | |
636 | # PCD token\r | |
e6c2468a | 637 | if PcdPattern.match(self._Token):\r |
0d2711a6 | 638 | if self._Token not in self._Symb:\r |
64b2609f LG |
639 | Ex = BadExpression(ERR_PCD_RESOLVE % self._Token)\r |
640 | Ex.Pcd = self._Token\r | |
641 | raise Ex\r | |
4afd3d04 | 642 | self._Token = ValueExpression(self._Symb[self._Token], self._Symb)(True, self._Depth+1)\r |
0d1f5b2b | 643 | if not isinstance(self._Token, type('')):\r |
0d2711a6 LG |
644 | self._LiteralToken = hex(self._Token)\r |
645 | return\r | |
646 | \r | |
647 | if self._Token.startswith('"'):\r | |
648 | self._Token = self._Token[1:-1]\r | |
4d601fc6 | 649 | elif self._Token in {"FALSE", "false", "False"}:\r |
0d2711a6 | 650 | self._Token = False\r |
4d601fc6 | 651 | elif self._Token in {"TRUE", "true", "True"}:\r |
0d2711a6 LG |
652 | self._Token = True\r |
653 | else:\r | |
654 | self.__IsNumberToken()\r | |
655 | \r | |
656 | def __GetNList(self, InArray=False):\r | |
657 | self._GetSingleToken()\r | |
658 | if not self.__IsHexLiteral():\r | |
659 | if InArray:\r | |
660 | raise BadExpression(ERR_ARRAY_ELE % self._Token)\r | |
661 | return self._Token\r | |
662 | \r | |
663 | self.__SkipWS()\r | |
664 | Expr = self._Expr[self._Idx:]\r | |
665 | if not Expr.startswith(','):\r | |
666 | return self._Token\r | |
667 | \r | |
668 | NList = self._LiteralToken\r | |
669 | while Expr.startswith(','):\r | |
670 | NList += ','\r | |
671 | self._Idx += 1\r | |
672 | self.__SkipWS()\r | |
673 | self._GetSingleToken()\r | |
674 | if not self.__IsHexLiteral():\r | |
675 | raise BadExpression(ERR_ARRAY_ELE % self._Token)\r | |
676 | NList += self._LiteralToken\r | |
677 | self.__SkipWS()\r | |
678 | Expr = self._Expr[self._Idx:]\r | |
679 | self._Token = self._LiteralToken = NList\r | |
680 | return self._Token\r | |
681 | \r | |
682 | def __IsHexLiteral(self):\r | |
683 | if self._LiteralToken.startswith('{') and \\r | |
684 | self._LiteralToken.endswith('}'):\r | |
685 | return True\r | |
686 | \r | |
56326323 | 687 | if gHexPattern.match(self._LiteralToken):\r |
0d2711a6 | 688 | Token = self._LiteralToken[2:]\r |
0d2711a6 LG |
689 | if not Token:\r |
690 | self._LiteralToken = '0x0'\r | |
691 | else:\r | |
35f613d9 | 692 | self._LiteralToken = '0x' + Token\r |
0d2711a6 LG |
693 | return True\r |
694 | return False\r | |
695 | \r | |
696 | def _GetToken(self):\r | |
697 | return self.__GetNList()\r | |
698 | \r | |
699 | @staticmethod\r | |
700 | def __IsIdChar(Ch):\r | |
5e06f1a0 | 701 | return Ch in '._:' or Ch.isalnum()\r |
0d2711a6 LG |
702 | \r |
703 | # Parse operand\r | |
704 | def _GetSingleToken(self):\r | |
705 | self.__SkipWS()\r | |
706 | Expr = self._Expr[self._Idx:]\r | |
707 | if Expr.startswith('L"'):\r | |
708 | # Skip L\r | |
709 | self._Idx += 1\r | |
710 | UStr = self.__GetString()\r | |
711 | self._Token = 'L"' + UStr + '"'\r | |
726c501c YZ |
712 | return self._Token\r |
713 | elif Expr.startswith("L'"):\r | |
714 | # Skip L\r | |
715 | self._Idx += 1\r | |
716 | UStr = self.__GetString()\r | |
717 | self._Token = "L'" + UStr + "'"\r | |
0d2711a6 | 718 | return self._Token\r |
726c501c YZ |
719 | elif Expr.startswith("'"):\r |
720 | UStr = self.__GetString()\r | |
721 | self._Token = "'" + UStr + "'"\r | |
726c501c YZ |
722 | return self._Token\r |
723 | elif Expr.startswith('UINT'):\r | |
724 | Re = re.compile('(?:UINT8|UINT16|UINT32|UINT64)\((.+)\)')\r | |
725 | try:\r | |
726 | RetValue = Re.search(Expr).group(1)\r | |
727 | except:\r | |
728 | raise BadExpression('Invalid Expression %s' % Expr)\r | |
729 | Idx = self._Idx\r | |
730 | for Ch in Expr:\r | |
731 | self._Idx += 1\r | |
732 | if Ch == '(':\r | |
733 | Prefix = self._Expr[Idx:self._Idx - 1]\r | |
734 | Idx = self._Idx\r | |
735 | if Ch == ')':\r | |
736 | TmpValue = self._Expr[Idx :self._Idx - 1]\r | |
737 | TmpValue = ValueExpression(TmpValue)(True)\r | |
0d1f5b2b | 738 | TmpValue = '0x%x' % int(TmpValue) if not isinstance(TmpValue, type('')) else TmpValue\r |
726c501c YZ |
739 | break\r |
740 | self._Token, Size = ParseFieldValue(Prefix + '(' + TmpValue + ')')\r | |
741 | return self._Token\r | |
0d2711a6 LG |
742 | \r |
743 | self._Token = ''\r | |
744 | if Expr:\r | |
745 | Ch = Expr[0]\r | |
b1a9e404 | 746 | Match = gGuidPattern.match(Expr)\r |
0d2711a6 LG |
747 | if Match and not Expr[Match.end():Match.end()+1].isalnum() \\r |
748 | and Expr[Match.end():Match.end()+1] != '_':\r | |
749 | self._Idx += Match.end()\r | |
4afd3d04 | 750 | self._Token = ValueExpression(GuidStringToGuidStructureString(Expr[0:Match.end()]))(True, self._Depth+1)\r |
0d2711a6 LG |
751 | return self._Token\r |
752 | elif self.__IsIdChar(Ch):\r | |
753 | return self.__GetIdToken()\r | |
754 | elif Ch == '"':\r | |
755 | return self.__GetString()\r | |
756 | elif Ch == '{':\r | |
757 | return self.__GetArray()\r | |
758 | elif Ch == '(' or Ch == ')':\r | |
759 | self._Idx += 1\r | |
760 | self._Token = Ch\r | |
761 | return self._Token\r | |
762 | \r | |
763 | raise BadExpression(ERR_VALID_TOKEN % Expr)\r | |
764 | \r | |
765 | # Parse operator\r | |
766 | def _GetOperator(self):\r | |
767 | self.__SkipWS()\r | |
ccaa7754 | 768 | LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst + ['?', ':']\r |
0d2711a6 LG |
769 | \r |
770 | self._Token = ''\r | |
771 | Expr = self._Expr[self._Idx:]\r | |
772 | \r | |
773 | # Reach end of expression\r | |
774 | if not Expr:\r | |
775 | return ''\r | |
776 | \r | |
777 | # Script operator: LT, GT, LE, GE, EQ, NE, and, or, xor, not\r | |
778 | if Expr[0].isalpha():\r | |
779 | return self.__GetIdToken(True)\r | |
780 | \r | |
781 | # Start to get regular operator: +, -, <, > ...\r | |
782 | if Expr[0] not in self.NonLetterOpLst:\r | |
783 | return ''\r | |
784 | \r | |
785 | OpToken = ''\r | |
786 | for Ch in Expr:\r | |
787 | if Ch in self.NonLetterOpLst:\r | |
d0acc87a | 788 | if '!' == Ch and OpToken:\r |
0d2711a6 LG |
789 | break\r |
790 | self._Idx += 1\r | |
791 | OpToken += Ch\r | |
792 | else:\r | |
793 | break\r | |
794 | \r | |
795 | if OpToken not in LegalOpLst:\r | |
796 | raise BadExpression(ERR_OPERATOR_UNSUPPORT % OpToken)\r | |
797 | self._Token = OpToken\r | |
798 | return OpToken\r | |
799 | \r | |
726c501c YZ |
800 | class ValueExpressionEx(ValueExpression):\r |
801 | def __init__(self, PcdValue, PcdType, SymbolTable={}):\r | |
802 | ValueExpression.__init__(self, PcdValue, SymbolTable)\r | |
803 | self.PcdValue = PcdValue\r | |
804 | self.PcdType = PcdType\r | |
805 | \r | |
806 | def __call__(self, RealValue=False, Depth=0):\r | |
807 | PcdValue = self.PcdValue\r | |
808 | try:\r | |
809 | PcdValue = ValueExpression.__call__(self, RealValue, Depth)\r | |
656d2539 | 810 | if self.PcdType == TAB_VOID and (PcdValue.startswith("'") or PcdValue.startswith("L'")):\r |
0e6b8673 FY |
811 | PcdValue, Size = ParseFieldValue(PcdValue)\r |
812 | PcdValueList = []\r | |
813 | for I in range(Size):\r | |
814 | PcdValueList.append('0x%02X'%(PcdValue & 0xff))\r | |
815 | PcdValue = PcdValue >> 8\r | |
816 | PcdValue = '{' + ','.join(PcdValueList) + '}'\r | |
656d2539 | 817 | elif self.PcdType in TAB_PCD_NUMERIC_TYPES and (PcdValue.startswith("'") or \\r |
35f613d9 YF |
818 | PcdValue.startswith('"') or PcdValue.startswith("L'") or PcdValue.startswith('L"') or PcdValue.startswith('{')):\r |
819 | raise BadExpression\r | |
5b0671c1 | 820 | except WrnExpression as Value:\r |
726c501c | 821 | PcdValue = Value.result\r |
5b0671c1 | 822 | except BadExpression as Value:\r |
656d2539 | 823 | if self.PcdType in TAB_PCD_NUMERIC_TYPES:\r |
35f613d9 | 824 | PcdValue = PcdValue.strip()\r |
b813843c | 825 | if PcdValue.startswith('{') and PcdValue.endswith('}'):\r |
3be421e9 | 826 | PcdValue = SplitPcdValueString(PcdValue[1:-1])\r |
0d1f5b2b | 827 | if isinstance(PcdValue, type([])):\r |
35f613d9 | 828 | TmpValue = 0\r |
726c501c | 829 | Size = 0\r |
3be421e9 | 830 | ValueType = ''\r |
35f613d9 | 831 | for Item in PcdValue:\r |
3be421e9 | 832 | Item = Item.strip()\r |
656d2539 | 833 | if Item.startswith(TAB_UINT8):\r |
0e6b8673 | 834 | ItemSize = 1\r |
656d2539 CJ |
835 | ValueType = TAB_UINT8\r |
836 | elif Item.startswith(TAB_UINT16):\r | |
35f613d9 | 837 | ItemSize = 2\r |
656d2539 CJ |
838 | ValueType = TAB_UINT16\r |
839 | elif Item.startswith(TAB_UINT32):\r | |
35f613d9 | 840 | ItemSize = 4\r |
656d2539 CJ |
841 | ValueType = TAB_UINT32\r |
842 | elif Item.startswith(TAB_UINT64):\r | |
35f613d9 | 843 | ItemSize = 8\r |
656d2539 | 844 | ValueType = TAB_UINT64\r |
ccaa7754 | 845 | elif Item[0] in {'"', "'", 'L'}:\r |
3be421e9 | 846 | ItemSize = 0\r |
656d2539 | 847 | ValueType = TAB_VOID\r |
35f613d9 YF |
848 | else:\r |
849 | ItemSize = 0\r | |
656d2539 | 850 | ValueType = TAB_UINT8\r |
3be421e9 | 851 | Item = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r |
35f613d9 YF |
852 | \r |
853 | if ItemSize == 0:\r | |
3be421e9 | 854 | try:\r |
0944818a | 855 | tmpValue = int(Item, 0)\r |
3be421e9 FY |
856 | if tmpValue > 255:\r |
857 | raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r | |
5b0671c1 | 858 | except BadExpression as Value:\r |
3be421e9 FY |
859 | raise BadExpression(Value)\r |
860 | except ValueError:\r | |
861 | pass\r | |
35f613d9 YF |
862 | ItemValue, ItemSize = ParseFieldValue(Item)\r |
863 | else:\r | |
864 | ItemValue = ParseFieldValue(Item)[0]\r | |
865 | \r | |
0d1f5b2b | 866 | if isinstance(ItemValue, type('')):\r |
0944818a | 867 | ItemValue = int(ItemValue, 0)\r |
35f613d9 YF |
868 | \r |
869 | TmpValue = (ItemValue << (Size * 8)) | TmpValue\r | |
870 | Size = Size + ItemSize\r | |
871 | else:\r | |
0e6b8673 FY |
872 | try:\r |
873 | TmpValue, Size = ParseFieldValue(PcdValue)\r | |
5b0671c1 | 874 | except BadExpression as Value:\r |
9efe8d60 | 875 | raise BadExpression("Type: %s, Value: %s, %s" % (self.PcdType, PcdValue, Value))\r |
0d1f5b2b | 876 | if isinstance(TmpValue, type('')):\r |
9efe8d60 YF |
877 | try:\r |
878 | TmpValue = int(TmpValue)\r | |
879 | except:\r | |
880 | raise BadExpression(Value)\r | |
35f613d9 YF |
881 | else:\r |
882 | PcdValue = '0x%0{}X'.format(Size) % (TmpValue)\r | |
883 | if TmpValue < 0:\r | |
884 | raise BadExpression('Type %s PCD Value is negative' % self.PcdType)\r | |
656d2539 | 885 | if self.PcdType == TAB_UINT8 and Size > 1:\r |
35f613d9 | 886 | raise BadExpression('Type %s PCD Value Size is Larger than 1 byte' % self.PcdType)\r |
656d2539 | 887 | if self.PcdType == TAB_UINT16 and Size > 2:\r |
35f613d9 | 888 | raise BadExpression('Type %s PCD Value Size is Larger than 2 byte' % self.PcdType)\r |
656d2539 | 889 | if self.PcdType == TAB_UINT32 and Size > 4:\r |
35f613d9 | 890 | raise BadExpression('Type %s PCD Value Size is Larger than 4 byte' % self.PcdType)\r |
656d2539 | 891 | if self.PcdType == TAB_UINT64 and Size > 8:\r |
35f613d9 | 892 | raise BadExpression('Type %s PCD Value Size is Larger than 8 byte' % self.PcdType)\r |
6f49996c | 893 | else:\r |
35f613d9 YF |
894 | try:\r |
895 | TmpValue = long(PcdValue)\r | |
896 | TmpList = []\r | |
897 | if TmpValue.bit_length() == 0:\r | |
898 | PcdValue = '{0x00}'\r | |
726c501c | 899 | else:\r |
35f613d9 YF |
900 | for I in range((TmpValue.bit_length() + 7) / 8):\r |
901 | TmpList.append('0x%02x' % ((TmpValue >> I * 8) & 0xff))\r | |
902 | PcdValue = '{' + ', '.join(TmpList) + '}'\r | |
903 | except:\r | |
904 | if PcdValue.strip().startswith('{'):\r | |
3be421e9 FY |
905 | PcdValueList = SplitPcdValueString(PcdValue.strip()[1:-1])\r |
906 | LabelDict = {}\r | |
907 | NewPcdValueList = []\r | |
3be421e9 | 908 | LabelOffset = 0\r |
e52aed0d | 909 | for Item in PcdValueList:\r |
3be421e9 | 910 | # compute byte offset of every LABEL\r |
38504ad3 CJ |
911 | LabelList = _ReLabel.findall(Item)\r |
912 | Item = _ReLabel.sub('', Item)\r | |
b31501c9 | 913 | Item = Item.strip()\r |
5ac0a545 | 914 | if LabelList:\r |
3be421e9 | 915 | for Label in LabelList:\r |
1f901a89 | 916 | if not IsValidCName(Label):\r |
5ac0a545 | 917 | raise BadExpression('%s is not a valid c variable name' % Label)\r |
9eb87141 | 918 | if Label not in LabelDict:\r |
3be421e9 | 919 | LabelDict[Label] = str(LabelOffset)\r |
656d2539 | 920 | if Item.startswith(TAB_UINT8):\r |
3be421e9 | 921 | LabelOffset = LabelOffset + 1\r |
656d2539 | 922 | elif Item.startswith(TAB_UINT16):\r |
3be421e9 | 923 | LabelOffset = LabelOffset + 2\r |
656d2539 | 924 | elif Item.startswith(TAB_UINT32):\r |
3be421e9 | 925 | LabelOffset = LabelOffset + 4\r |
656d2539 | 926 | elif Item.startswith(TAB_UINT64):\r |
3be421e9 FY |
927 | LabelOffset = LabelOffset + 8\r |
928 | else:\r | |
8bd72d7c | 929 | try:\r |
8bd72d7c KM |
930 | ItemValue, ItemSize = ParseFieldValue(Item)\r |
931 | LabelOffset = LabelOffset + ItemSize\r | |
35f613d9 | 932 | except:\r |
3be421e9 FY |
933 | LabelOffset = LabelOffset + 1\r |
934 | \r | |
e52aed0d | 935 | for Item in PcdValueList:\r |
3be421e9 FY |
936 | # for LABEL parse\r |
937 | Item = Item.strip()\r | |
938 | try:\r | |
38504ad3 | 939 | Item = _ReLabel.sub('', Item)\r |
3be421e9 FY |
940 | except:\r |
941 | pass\r | |
942 | try:\r | |
38504ad3 | 943 | OffsetList = _ReOffset.findall(Item)\r |
3be421e9 FY |
944 | except:\r |
945 | pass\r | |
cc0321f2 | 946 | # replace each offset, except errors\r |
3be421e9 | 947 | for Offset in OffsetList:\r |
cc0321f2 | 948 | try:\r |
ccaa7754 | 949 | Item = Item.replace('OFFSET_OF({})'.format(Offset), LabelDict[Offset])\r |
cc0321f2 | 950 | except:\r |
3be421e9 | 951 | raise BadExpression('%s not defined' % Offset)\r |
cc0321f2 | 952 | \r |
3be421e9 FY |
953 | NewPcdValueList.append(Item)\r |
954 | \r | |
955 | AllPcdValueList = []\r | |
956 | for Item in NewPcdValueList:\r | |
957 | Size = 0\r | |
958 | ValueStr = ''\r | |
959 | TokenSpaceGuidName = ''\r | |
91fa33ee | 960 | if Item.startswith(TAB_GUID) and Item.endswith(')'):\r |
35f613d9 | 961 | try:\r |
3be421e9 | 962 | TokenSpaceGuidName = re.search('GUID\((\w+)\)', Item).group(1)\r |
35f613d9 YF |
963 | except:\r |
964 | pass\r | |
3be421e9 FY |
965 | if TokenSpaceGuidName and TokenSpaceGuidName in self._Symb:\r |
966 | Item = 'GUID(' + self._Symb[TokenSpaceGuidName] + ')'\r | |
967 | elif TokenSpaceGuidName:\r | |
968 | raise BadExpression('%s not found in DEC file' % TokenSpaceGuidName)\r | |
969 | Item, Size = ParseFieldValue(Item)\r | |
970 | for Index in range(0, Size):\r | |
971 | ValueStr = '0x%02X' % (int(Item) & 255)\r | |
972 | Item >>= 8\r | |
973 | AllPcdValueList.append(ValueStr)\r | |
974 | continue\r | |
975 | elif Item.startswith('DEVICE_PATH') and Item.endswith(')'):\r | |
976 | Item, Size = ParseFieldValue(Item)\r | |
977 | AllPcdValueList.append(Item[1:-1])\r | |
978 | continue\r | |
979 | else:\r | |
35f613d9 | 980 | ValueType = ""\r |
656d2539 | 981 | if Item.startswith(TAB_UINT8):\r |
35f613d9 | 982 | ItemSize = 1\r |
656d2539 CJ |
983 | ValueType = TAB_UINT8\r |
984 | elif Item.startswith(TAB_UINT16):\r | |
35f613d9 | 985 | ItemSize = 2\r |
656d2539 CJ |
986 | ValueType = TAB_UINT16\r |
987 | elif Item.startswith(TAB_UINT32):\r | |
35f613d9 | 988 | ItemSize = 4\r |
656d2539 CJ |
989 | ValueType = TAB_UINT32\r |
990 | elif Item.startswith(TAB_UINT64):\r | |
35f613d9 | 991 | ItemSize = 8\r |
656d2539 | 992 | ValueType = TAB_UINT64\r |
35f613d9 YF |
993 | else:\r |
994 | ItemSize = 0\r | |
995 | if ValueType:\r | |
996 | TmpValue = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r | |
997 | else:\r | |
998 | TmpValue = ValueExpressionEx(Item, self.PcdType, self._Symb)(True)\r | |
0d1f5b2b | 999 | Item = '0x%x' % TmpValue if not isinstance(TmpValue, type('')) else TmpValue\r |
35f613d9 YF |
1000 | if ItemSize == 0:\r |
1001 | ItemValue, ItemSize = ParseFieldValue(Item)\r | |
ccaa7754 | 1002 | if Item[0] not in {'"', 'L', '{'} and ItemSize > 1:\r |
3be421e9 | 1003 | raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r |
35f613d9 YF |
1004 | else:\r |
1005 | ItemValue = ParseFieldValue(Item)[0]\r | |
1006 | for I in range(0, ItemSize):\r | |
3be421e9 | 1007 | ValueStr = '0x%02X' % (int(ItemValue) & 255)\r |
35f613d9 | 1008 | ItemValue >>= 8\r |
3be421e9 | 1009 | AllPcdValueList.append(ValueStr)\r |
35f613d9 YF |
1010 | Size += ItemSize\r |
1011 | \r | |
3be421e9 FY |
1012 | if Size > 0:\r |
1013 | PcdValue = '{' + ','.join(AllPcdValueList) + '}'\r | |
0e6b8673 | 1014 | else:\r |
9efe8d60 | 1015 | raise BadExpression("Type: %s, Value: %s, %s"%(self.PcdType, PcdValue, Value))\r |
0e6b8673 | 1016 | \r |
35f613d9 YF |
1017 | if PcdValue == 'True':\r |
1018 | PcdValue = '1'\r | |
1019 | if PcdValue == 'False':\r | |
1020 | PcdValue = '0'\r | |
726c501c | 1021 | \r |
726c501c YZ |
1022 | if RealValue:\r |
1023 | return PcdValue\r | |
1024 | \r | |
0d2711a6 LG |
1025 | if __name__ == '__main__':\r |
1026 | pass\r | |
d0acc87a LG |
1027 | while True:\r |
1028 | input = raw_input('Input expr: ')\r | |
1029 | if input in 'qQ':\r | |
1030 | break\r | |
1031 | try:\r | |
72443dd2 GL |
1032 | print(ValueExpression(input)(True))\r |
1033 | print(ValueExpression(input)(False))\r | |
5b0671c1 | 1034 | except WrnExpression as Ex:\r |
72443dd2 GL |
1035 | print(Ex.result)\r |
1036 | print(str(Ex))\r | |
5b0671c1 | 1037 | except Exception as Ex:\r |
72443dd2 | 1038 | print(str(Ex))\r |