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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 |
2e351cbe | 5 | # SPDX-License-Identifier: BSD-2-Clause-Patent\r |
0d2711a6 LG |
6 | \r |
7 | ## Import Modules\r | |
8 | #\r | |
1ccc4d89 LG |
9 | from __future__ import print_function\r |
10 | from __future__ import absolute_import\r | |
0d2711a6 LG |
11 | from Common.GlobalData import *\r |
12 | from CommonDataClass.Exceptions import BadExpression\r | |
0d2711a6 | 13 | from CommonDataClass.Exceptions import WrnExpression\r |
bf9e6366 | 14 | from .Misc import GuidStringToGuidStructureString, ParseFieldValue,CopyDict\r |
726c501c YZ |
15 | import Common.EdkLogger as EdkLogger\r |
16 | import copy\r | |
656d2539 | 17 | from Common.DataType import *\r |
39456d00 | 18 | import sys\r |
d3d97b37 | 19 | from random import sample\r |
20 | import string\r | |
0d2711a6 LG |
21 | \r |
22 | ERR_STRING_EXPR = 'This operator cannot be used in string expression: [%s].'\r | |
23 | ERR_SNYTAX = 'Syntax error, the rest of expression cannot be evaluated: [%s].'\r | |
24 | ERR_MATCH = 'No matching right parenthesis.'\r | |
25 | ERR_STRING_TOKEN = 'Bad string token: [%s].'\r | |
26 | ERR_MACRO_TOKEN = 'Bad macro token: [%s].'\r | |
27 | ERR_EMPTY_TOKEN = 'Empty token is not allowed.'\r | |
fa6e2804 | 28 | ERR_PCD_RESOLVE = 'The PCD should be FeatureFlag type or FixedAtBuild type: [%s].'\r |
0d2711a6 LG |
29 | ERR_VALID_TOKEN = 'No more valid token found from rest of string: [%s].'\r |
30 | ERR_EXPR_TYPE = 'Different types found in expression.'\r | |
31 | ERR_OPERATOR_UNSUPPORT = 'Unsupported operator: [%s]'\r | |
32 | ERR_REL_NOT_IN = 'Expect "IN" after "not" operator.'\r | |
33 | WRN_BOOL_EXPR = 'Operand of boolean type cannot be used in arithmetic expression.'\r | |
34 | WRN_EQCMP_STR_OTHERS = '== Comparison between Operand of string type and Boolean/Number Type always return False.'\r | |
35 | WRN_NECMP_STR_OTHERS = '!= Comparison between Operand of string type and Boolean/Number Type always return True.'\r | |
36 | ERR_RELCMP_STR_OTHERS = 'Operator taking Operand of string type and Boolean/Number Type is not allowed: [%s].'\r | |
37 | ERR_STRING_CMP = 'Unicode string and general string cannot be compared: [%s %s %s]'\r | |
38 | ERR_ARRAY_TOKEN = 'Bad C array or C format GUID token: [%s].'\r | |
39 | ERR_ARRAY_ELE = 'This must be HEX value for NList or Array: [%s].'\r | |
d0acc87a | 40 | ERR_EMPTY_EXPR = 'Empty expression is not allowed.'\r |
64b2609f | 41 | ERR_IN_OPERAND = 'Macro after IN operator can only be: $(FAMILY), $(ARCH), $(TOOL_CHAIN_TAG) and $(TARGET).'\r |
0d2711a6 | 42 | \r |
1f901a89 | 43 | __ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')\r |
38504ad3 CJ |
44 | _ReLabel = re.compile('LABEL\((\w+)\)')\r |
45 | _ReOffset = re.compile('OFFSET_OF\((\w+)\)')\r | |
e6c2468a | 46 | PcdPattern = re.compile(r'[_a-zA-Z][0-9A-Za-z_]*\.[_a-zA-Z][0-9A-Za-z_]*$')\r |
1f901a89 | 47 | \r |
0d2711a6 LG |
48 | ## SplitString\r |
49 | # Split string to list according double quote\r | |
50 | # For example: abc"de\"f"ghi"jkl"mn will be: ['abc', '"de\"f"', 'ghi', '"jkl"', 'mn']\r | |
51 | #\r | |
52 | def SplitString(String):\r | |
ea927d2f | 53 | # There might be escaped quote: "abc\"def\\\"ghi", 'abc\'def\\\'ghi'\r |
d3d97b37 | 54 | RanStr = ''.join(sample(string.ascii_letters + string.digits, 8))\r |
55 | String = String.replace('\\\\', RanStr).strip()\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 | |
d3d97b37 | 88 | for i, ch in enumerate(RetList):\r |
89 | if RanStr in ch:\r | |
90 | RetList[i] = ch.replace(RanStr,'\\\\')\r | |
0d2711a6 LG |
91 | return RetList\r |
92 | \r | |
3be421e9 FY |
93 | def SplitPcdValueString(String):\r |
94 | # There might be escaped comma in GUID() or DEVICE_PATH() or " "\r | |
95 | # or ' ' or L' ' or L" "\r | |
d3d97b37 | 96 | RanStr = ''.join(sample(string.ascii_letters + string.digits, 8))\r |
97 | String = String.replace('\\\\', RanStr).strip()\r | |
3be421e9 FY |
98 | RetList = []\r |
99 | InParenthesis = 0\r | |
100 | InSingleQuote = False\r | |
101 | InDoubleQuote = False\r | |
102 | Item = ''\r | |
ae4cc2b0 | 103 | for i, ch in enumerate(String):\r |
3be421e9 FY |
104 | if ch == '(':\r |
105 | InParenthesis += 1\r | |
3e8bab96 | 106 | elif ch == ')':\r |
3be421e9 FY |
107 | if InParenthesis:\r |
108 | InParenthesis -= 1\r | |
109 | else:\r | |
110 | raise BadExpression(ERR_STRING_TOKEN % Item)\r | |
3e8bab96 | 111 | elif ch == '"' and not InSingleQuote:\r |
3be421e9 FY |
112 | if String[i-1] != '\\':\r |
113 | InDoubleQuote = not InDoubleQuote\r | |
3e8bab96 | 114 | elif ch == "'" and not InDoubleQuote:\r |
3be421e9 FY |
115 | if String[i-1] != '\\':\r |
116 | InSingleQuote = not InSingleQuote\r | |
3e8bab96 | 117 | elif ch == ',':\r |
3be421e9 FY |
118 | if InParenthesis or InSingleQuote or InDoubleQuote:\r |
119 | Item += String[i]\r | |
120 | continue\r | |
121 | elif Item:\r | |
122 | RetList.append(Item)\r | |
123 | Item = ''\r | |
124 | continue\r | |
125 | Item += String[i]\r | |
126 | if InSingleQuote or InDoubleQuote or InParenthesis:\r | |
127 | raise BadExpression(ERR_STRING_TOKEN % Item)\r | |
128 | if Item:\r | |
129 | RetList.append(Item)\r | |
d3d97b37 | 130 | for i, ch in enumerate(RetList):\r |
131 | if RanStr in ch:\r | |
132 | RetList[i] = ch.replace(RanStr,'\\\\')\r | |
3be421e9 FY |
133 | return RetList\r |
134 | \r | |
1f901a89 CJ |
135 | def IsValidCName(Str):\r |
136 | return True if __ValidString.match(Str) else False\r | |
5ac0a545 | 137 | \r |
8565b582 | 138 | def BuildOptionValue(PcdValue, GuidDict):\r |
8565b582 YZ |
139 | if PcdValue.startswith('H'):\r |
140 | InputValue = PcdValue[1:]\r | |
141 | elif PcdValue.startswith("L'") or PcdValue.startswith("'"):\r | |
142 | InputValue = PcdValue\r | |
143 | elif PcdValue.startswith('L'):\r | |
144 | InputValue = 'L"' + PcdValue[1:] + '"'\r | |
145 | else:\r | |
146 | InputValue = PcdValue\r | |
b2282e53 YZ |
147 | try:\r |
148 | PcdValue = ValueExpressionEx(InputValue, TAB_VOID, GuidDict)(True)\r | |
149 | except:\r | |
150 | pass\r | |
151 | \r | |
8565b582 YZ |
152 | return PcdValue\r |
153 | \r | |
0d2711a6 LG |
154 | ## ReplaceExprMacro\r |
155 | #\r | |
156 | def ReplaceExprMacro(String, Macros, ExceptionList = None):\r | |
157 | StrList = SplitString(String)\r | |
158 | for i, String in enumerate(StrList):\r | |
159 | InQuote = False\r | |
160 | if String.startswith('"'):\r | |
161 | InQuote = True\r | |
162 | MacroStartPos = String.find('$(')\r | |
163 | if MacroStartPos < 0:\r | |
9eb87141 | 164 | for Pcd in gPlatformPcds:\r |
c8d07c5e YZ |
165 | if Pcd in String:\r |
166 | if Pcd not in gConditionalPcds:\r | |
167 | gConditionalPcds.append(Pcd)\r | |
0d2711a6 LG |
168 | continue\r |
169 | RetStr = ''\r | |
170 | while MacroStartPos >= 0:\r | |
171 | RetStr = String[0:MacroStartPos]\r | |
172 | MacroEndPos = String.find(')', MacroStartPos)\r | |
173 | if MacroEndPos < 0:\r | |
174 | raise BadExpression(ERR_MACRO_TOKEN % String[MacroStartPos:])\r | |
175 | Macro = String[MacroStartPos+2:MacroEndPos]\r | |
176 | if Macro not in Macros:\r | |
177 | # From C reference manual:\r | |
178 | # If an undefined macro name appears in the constant-expression of\r | |
179 | # !if or !elif, it is replaced by the integer constant 0.\r | |
180 | RetStr += '0'\r | |
64b2609f LG |
181 | elif not InQuote:\r |
182 | Tklst = RetStr.split()\r | |
4d601fc6 | 183 | if Tklst and Tklst[-1] in {'IN', 'in'} and ExceptionList and Macro not in ExceptionList:\r |
64b2609f | 184 | raise BadExpression(ERR_IN_OPERAND)\r |
0d2711a6 LG |
185 | # Make sure the macro in exception list is encapsulated by double quote\r |
186 | # For example: DEFINE ARCH = IA32 X64\r | |
187 | # $(ARCH) is replaced with "IA32 X64"\r | |
64b2609f LG |
188 | if ExceptionList and Macro in ExceptionList:\r |
189 | RetStr += '"' + Macros[Macro] + '"'\r | |
190 | elif Macros[Macro].strip():\r | |
0d2711a6 LG |
191 | RetStr += Macros[Macro]\r |
192 | else:\r | |
193 | RetStr += '""'\r | |
64b2609f LG |
194 | else:\r |
195 | RetStr += Macros[Macro]\r | |
0d2711a6 LG |
196 | RetStr += String[MacroEndPos+1:]\r |
197 | String = RetStr\r | |
198 | MacroStartPos = String.find('$(')\r | |
199 | StrList[i] = RetStr\r | |
200 | return ''.join(StrList)\r | |
201 | \r | |
726c501c YZ |
202 | # transfer int to string for in/not in expression\r |
203 | def IntToStr(Value):\r | |
204 | StrList = []\r | |
205 | while Value > 0:\r | |
206 | StrList.append(chr(Value & 0xff))\r | |
207 | Value = Value >> 8\r | |
208 | Value = '"' + ''.join(StrList) + '"'\r | |
209 | return Value\r | |
210 | \r | |
64b2609f LG |
211 | SupportedInMacroList = ['TARGET', 'TOOL_CHAIN_TAG', 'ARCH', 'FAMILY']\r |
212 | \r | |
b2aeaf57 CJ |
213 | class BaseExpression(object):\r |
214 | def __init__(self, *args, **kwargs):\r | |
1ccc4d89 | 215 | super(BaseExpression, self).__init__()\r |
b2aeaf57 CJ |
216 | \r |
217 | # Check if current token matches the operators given from parameter\r | |
218 | def _IsOperator(self, OpSet):\r | |
219 | Idx = self._Idx\r | |
220 | self._GetOperator()\r | |
221 | if self._Token in OpSet:\r | |
222 | if self._Token in self.LogicalOperators:\r | |
223 | self._Token = self.LogicalOperators[self._Token]\r | |
224 | return True\r | |
225 | self._Idx = Idx\r | |
226 | return False\r | |
227 | \r | |
228 | class ValueExpression(BaseExpression):\r | |
0d2711a6 LG |
229 | # Logical operator mapping\r |
230 | LogicalOperators = {\r | |
231 | '&&' : 'and', '||' : 'or',\r | |
232 | '!' : 'not', 'AND': 'and',\r | |
233 | 'OR' : 'or' , 'NOT': 'not',\r | |
234 | 'XOR': '^' , 'xor': '^',\r | |
235 | 'EQ' : '==' , 'NE' : '!=',\r | |
236 | 'GT' : '>' , 'LT' : '<',\r | |
237 | 'GE' : '>=' , 'LE' : '<=',\r | |
238 | 'IN' : 'in'\r | |
239 | }\r | |
240 | \r | |
bc39c5cb | 241 | NonLetterOpLst = ['+', '-', TAB_STAR, '/', '%', '&', '|', '^', '~', '<<', '>>', '!', '=', '>', '<', '?', ':']\r |
0d2711a6 | 242 | \r |
0d2711a6 LG |
243 | \r |
244 | SymbolPattern = re.compile("("\r | |
245 | "\$\([A-Z][A-Z0-9_]*\)|\$\(\w+\.\w+\)|\w+\.\w+|"\r | |
246 | "&&|\|\||!(?!=)|"\r | |
247 | "(?<=\W)AND(?=\W)|(?<=\W)OR(?=\W)|(?<=\W)NOT(?=\W)|(?<=\W)XOR(?=\W)|"\r | |
248 | "(?<=\W)EQ(?=\W)|(?<=\W)NE(?=\W)|(?<=\W)GT(?=\W)|(?<=\W)LT(?=\W)|(?<=\W)GE(?=\W)|(?<=\W)LE(?=\W)"\r | |
249 | ")")\r | |
250 | \r | |
251 | @staticmethod\r | |
252 | def Eval(Operator, Oprand1, Oprand2 = None):\r | |
253 | WrnExp = None\r | |
d0acc87a | 254 | \r |
4d601fc6 | 255 | if Operator not in {"==", "!=", ">=", "<=", ">", "<", "in", "not in"} and \\r |
0d1f5b2b | 256 | (isinstance(Oprand1, type('')) or isinstance(Oprand2, type(''))):\r |
9efe8d60 | 257 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
4d601fc6 | 258 | if Operator in {'in', 'not in'}:\r |
0d1f5b2b | 259 | if not isinstance(Oprand1, type('')):\r |
726c501c | 260 | Oprand1 = IntToStr(Oprand1)\r |
0d1f5b2b | 261 | if not isinstance(Oprand2, type('')):\r |
726c501c | 262 | Oprand2 = IntToStr(Oprand2)\r |
0d2711a6 LG |
263 | TypeDict = {\r |
264 | type(0) : 0,\r | |
39456d00 GL |
265 | # For python2 long type\r |
266 | type(sys.maxsize + 1) : 0,\r | |
0d2711a6 LG |
267 | type('') : 1,\r |
268 | type(True) : 2\r | |
269 | }\r | |
270 | \r | |
271 | EvalStr = ''\r | |
4d601fc6 | 272 | if Operator in {"!", "NOT", "not"}:\r |
0d1f5b2b | 273 | if isinstance(Oprand1, type('')):\r |
0d2711a6 LG |
274 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
275 | EvalStr = 'not Oprand1'\r | |
4d601fc6 | 276 | elif Operator in {"~"}:\r |
0d1f5b2b | 277 | if isinstance(Oprand1, type('')):\r |
5e06f1a0 YZ |
278 | raise BadExpression(ERR_STRING_EXPR % Operator)\r |
279 | EvalStr = '~ Oprand1'\r | |
0d2711a6 | 280 | else:\r |
4d601fc6 | 281 | if Operator in {"+", "-"} and (type(True) in {type(Oprand1), type(Oprand2)}):\r |
0d2711a6 LG |
282 | # Boolean in '+'/'-' will be evaluated but raise warning\r |
283 | WrnExp = WrnExpression(WRN_BOOL_EXPR)\r | |
0d1f5b2b | 284 | elif type('') in {type(Oprand1), type(Oprand2)} and not isinstance(Oprand1, type(Oprand2)):\r |
0d2711a6 LG |
285 | # == between string and number/boolean will always return False, != return True\r |
286 | if Operator == "==":\r | |
287 | WrnExp = WrnExpression(WRN_EQCMP_STR_OTHERS)\r | |
288 | WrnExp.result = False\r | |
289 | raise WrnExp\r | |
290 | elif Operator == "!=":\r | |
291 | WrnExp = WrnExpression(WRN_NECMP_STR_OTHERS)\r | |
292 | WrnExp.result = True\r | |
293 | raise WrnExp\r | |
294 | else:\r | |
295 | raise BadExpression(ERR_RELCMP_STR_OTHERS % Operator)\r | |
d0acc87a | 296 | elif TypeDict[type(Oprand1)] != TypeDict[type(Oprand2)]:\r |
4d601fc6 | 297 | if Operator in {"==", "!=", ">=", "<=", ">", "<"} and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r |
0d2711a6 LG |
298 | # comparison between number and boolean is allowed\r |
299 | pass\r | |
4d601fc6 | 300 | elif Operator in {'&', '|', '^', "and", "or"} and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r |
0d2711a6 | 301 | # bitwise and logical operation between number and boolean is allowed\r |
d0acc87a | 302 | pass\r |
0d2711a6 LG |
303 | else:\r |
304 | raise BadExpression(ERR_EXPR_TYPE)\r | |
0d1f5b2b | 305 | if isinstance(Oprand1, type('')) and isinstance(Oprand2, type('')):\r |
fea5e286 YZ |
306 | if ((Oprand1.startswith('L"') or Oprand1.startswith("L'")) and (not Oprand2.startswith('L"')) and (not Oprand2.startswith("L'"))) or \\r |
307 | (((not Oprand1.startswith('L"')) and (not Oprand1.startswith("L'"))) and (Oprand2.startswith('L"') or Oprand2.startswith("L'"))):\r | |
0d2711a6 | 308 | raise BadExpression(ERR_STRING_CMP % (Oprand1, Operator, Oprand2))\r |
0d1f5b2b | 309 | if 'in' in Operator and isinstance(Oprand2, type('')):\r |
0d2711a6 LG |
310 | Oprand2 = Oprand2.split()\r |
311 | EvalStr = 'Oprand1 ' + Operator + ' Oprand2'\r | |
312 | \r | |
313 | # Local symbols used by built in eval function\r | |
314 | Dict = {\r | |
315 | 'Oprand1' : Oprand1,\r | |
316 | 'Oprand2' : Oprand2\r | |
317 | }\r | |
318 | try:\r | |
319 | Val = eval(EvalStr, {}, Dict)\r | |
5b0671c1 | 320 | except Exception as Excpt:\r |
0d2711a6 LG |
321 | raise BadExpression(str(Excpt))\r |
322 | \r | |
4d601fc6 | 323 | if Operator in {'and', 'or'}:\r |
0d2711a6 LG |
324 | if Val:\r |
325 | Val = True\r | |
326 | else:\r | |
327 | Val = False\r | |
d0acc87a | 328 | \r |
0d2711a6 LG |
329 | if WrnExp:\r |
330 | WrnExp.result = Val\r | |
331 | raise WrnExp\r | |
332 | return Val\r | |
333 | \r | |
334 | def __init__(self, Expression, SymbolTable={}):\r | |
1ccc4d89 | 335 | super(ValueExpression, self).__init__(self, Expression, SymbolTable)\r |
0d2711a6 | 336 | self._NoProcess = False\r |
0d1f5b2b | 337 | if not isinstance(Expression, type('')):\r |
0d2711a6 LG |
338 | self._Expr = Expression\r |
339 | self._NoProcess = True\r | |
340 | return\r | |
341 | \r | |
342 | self._Expr = ReplaceExprMacro(Expression.strip(),\r | |
343 | SymbolTable,\r | |
64b2609f | 344 | SupportedInMacroList)\r |
0d2711a6 LG |
345 | \r |
346 | if not self._Expr.strip():\r | |
d0acc87a | 347 | raise BadExpression(ERR_EMPTY_EXPR)\r |
0d2711a6 LG |
348 | \r |
349 | #\r | |
350 | # The symbol table including PCD and macro mapping\r | |
351 | #\r | |
bf9e6366 | 352 | self._Symb = CopyDict(SymbolTable)\r |
0d2711a6 LG |
353 | self._Symb.update(self.LogicalOperators)\r |
354 | self._Idx = 0\r | |
355 | self._Len = len(self._Expr)\r | |
356 | self._Token = ''\r | |
d0acc87a | 357 | self._WarnExcept = None\r |
0d2711a6 LG |
358 | \r |
359 | # Literal token without any conversion\r | |
360 | self._LiteralToken = ''\r | |
361 | \r | |
362 | # Public entry for this class\r | |
d0acc87a LG |
363 | # @param RealValue: False: only evaluate if the expression is true or false, used for conditional expression\r |
364 | # True : return the evaluated str(value), used for PCD value\r | |
365 | #\r | |
366 | # @return: True or False if RealValue is False\r | |
367 | # Evaluated value of string format if RealValue is True\r | |
368 | #\r | |
4afd3d04 | 369 | def __call__(self, RealValue=False, Depth=0):\r |
0d2711a6 LG |
370 | if self._NoProcess:\r |
371 | return self._Expr\r | |
372 | \r | |
4afd3d04 LG |
373 | self._Depth = Depth\r |
374 | \r | |
d0acc87a | 375 | self._Expr = self._Expr.strip()\r |
4afd3d04 | 376 | if RealValue and Depth == 0:\r |
d0acc87a LG |
377 | self._Token = self._Expr\r |
378 | if self.__IsNumberToken():\r | |
379 | return self._Expr\r | |
35f613d9 | 380 | Token = ''\r |
25918452 LG |
381 | try:\r |
382 | Token = self._GetToken()\r | |
25918452 LG |
383 | except BadExpression:\r |
384 | pass\r | |
0d1f5b2b | 385 | if isinstance(Token, type('')) and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:\r |
35f613d9 | 386 | return self._Expr\r |
d0acc87a LG |
387 | \r |
388 | self._Idx = 0\r | |
389 | self._Token = ''\r | |
390 | \r | |
bc0d7233 | 391 | Val = self._ConExpr()\r |
d0acc87a | 392 | RealVal = Val\r |
0d1f5b2b | 393 | if isinstance(Val, type('')):\r |
d0acc87a LG |
394 | if Val == 'L""':\r |
395 | Val = False\r | |
396 | elif not Val:\r | |
397 | Val = False\r | |
398 | RealVal = '""'\r | |
d3d97b37 | 399 | elif not Val.startswith('L"') and not Val.startswith('{') and not Val.startswith("L'") and not Val.startswith("'"):\r |
d0acc87a LG |
400 | Val = True\r |
401 | RealVal = '"' + RealVal + '"'\r | |
0d2711a6 LG |
402 | \r |
403 | # The expression has been parsed, but the end of expression is not reached\r | |
404 | # It means the rest does not comply EBNF of <Expression>\r | |
405 | if self._Idx != self._Len:\r | |
406 | raise BadExpression(ERR_SNYTAX % self._Expr[self._Idx:])\r | |
407 | \r | |
d0acc87a LG |
408 | if RealValue:\r |
409 | RetVal = str(RealVal)\r | |
410 | elif Val:\r | |
411 | RetVal = True\r | |
412 | else:\r | |
413 | RetVal = False\r | |
414 | \r | |
415 | if self._WarnExcept:\r | |
416 | self._WarnExcept.result = RetVal\r | |
417 | raise self._WarnExcept\r | |
418 | else:\r | |
419 | return RetVal\r | |
0d2711a6 LG |
420 | \r |
421 | # Template function to parse binary operators which have same precedence\r | |
422 | # Expr [Operator Expr]*\r | |
4d601fc6 | 423 | def _ExprFuncTemplate(self, EvalFunc, OpSet):\r |
0d2711a6 | 424 | Val = EvalFunc()\r |
4d601fc6 | 425 | while self._IsOperator(OpSet):\r |
0d2711a6 | 426 | Op = self._Token\r |
bc0d7233 YF |
427 | if Op == '?':\r |
428 | Val2 = EvalFunc()\r | |
4d601fc6 | 429 | if self._IsOperator({':'}):\r |
bc0d7233 YF |
430 | Val3 = EvalFunc()\r |
431 | if Val:\r | |
432 | Val = Val2\r | |
433 | else:\r | |
434 | Val = Val3\r | |
435 | continue\r | |
b3e94a06 ZF |
436 | #\r |
437 | # PEP 238 -- Changing the Division Operator\r | |
438 | # x/y to return a reasonable approximation of the mathematical result of the division ("true division")\r | |
439 | # x//y to return the floor ("floor division")\r | |
440 | #\r | |
441 | if Op == '/':\r | |
442 | Op = '//'\r | |
d0acc87a LG |
443 | try:\r |
444 | Val = self.Eval(Op, Val, EvalFunc())\r | |
5b0671c1 | 445 | except WrnExpression as Warn:\r |
d0acc87a LG |
446 | self._WarnExcept = Warn\r |
447 | Val = Warn.result\r | |
0d2711a6 | 448 | return Val\r |
bc0d7233 YF |
449 | # A [? B]*\r |
450 | def _ConExpr(self):\r | |
4d601fc6 | 451 | return self._ExprFuncTemplate(self._OrExpr, {'?', ':'})\r |
0d2711a6 LG |
452 | \r |
453 | # A [|| B]*\r | |
454 | def _OrExpr(self):\r | |
4d601fc6 | 455 | return self._ExprFuncTemplate(self._AndExpr, {"OR", "or", "||"})\r |
0d2711a6 LG |
456 | \r |
457 | # A [&& B]*\r | |
458 | def _AndExpr(self):\r | |
4d601fc6 | 459 | return self._ExprFuncTemplate(self._BitOr, {"AND", "and", "&&"})\r |
0d2711a6 LG |
460 | \r |
461 | # A [ | B]*\r | |
462 | def _BitOr(self):\r | |
4d601fc6 | 463 | return self._ExprFuncTemplate(self._BitXor, {"|"})\r |
0d2711a6 LG |
464 | \r |
465 | # A [ ^ B]*\r | |
466 | def _BitXor(self):\r | |
4d601fc6 | 467 | return self._ExprFuncTemplate(self._BitAnd, {"XOR", "xor", "^"})\r |
0d2711a6 LG |
468 | \r |
469 | # A [ & B]*\r | |
470 | def _BitAnd(self):\r | |
4d601fc6 | 471 | return self._ExprFuncTemplate(self._EqExpr, {"&"})\r |
0d2711a6 LG |
472 | \r |
473 | # A [ == B]*\r | |
474 | def _EqExpr(self):\r | |
475 | Val = self._RelExpr()\r | |
4d601fc6 | 476 | while self._IsOperator({"==", "!=", "EQ", "NE", "IN", "in", "!", "NOT", "not"}):\r |
0d2711a6 | 477 | Op = self._Token\r |
4d601fc6 CJ |
478 | if Op in {"!", "NOT", "not"}:\r |
479 | if not self._IsOperator({"IN", "in"}):\r | |
0d2711a6 LG |
480 | raise BadExpression(ERR_REL_NOT_IN)\r |
481 | Op += ' ' + self._Token\r | |
d0acc87a LG |
482 | try:\r |
483 | Val = self.Eval(Op, Val, self._RelExpr())\r | |
5b0671c1 | 484 | except WrnExpression as Warn:\r |
d0acc87a LG |
485 | self._WarnExcept = Warn\r |
486 | Val = Warn.result\r | |
0d2711a6 LG |
487 | return Val\r |
488 | \r | |
489 | # A [ > B]*\r | |
490 | def _RelExpr(self):\r | |
4d601fc6 | 491 | return self._ExprFuncTemplate(self._ShiftExpr, {"<=", ">=", "<", ">", "LE", "GE", "LT", "GT"})\r |
5e06f1a0 YZ |
492 | \r |
493 | def _ShiftExpr(self):\r | |
4d601fc6 | 494 | return self._ExprFuncTemplate(self._AddExpr, {"<<", ">>"})\r |
0d2711a6 LG |
495 | \r |
496 | # A [ + B]*\r | |
497 | def _AddExpr(self):\r | |
4d601fc6 | 498 | return self._ExprFuncTemplate(self._MulExpr, {"+", "-"})\r |
5e06f1a0 YZ |
499 | \r |
500 | # A [ * B]*\r | |
501 | def _MulExpr(self):\r | |
bc39c5cb | 502 | return self._ExprFuncTemplate(self._UnaryExpr, {TAB_STAR, "/", "%"})\r |
0d2711a6 LG |
503 | \r |
504 | # [!]*A\r | |
505 | def _UnaryExpr(self):\r | |
4d601fc6 | 506 | if self._IsOperator({"!", "NOT", "not"}):\r |
0d2711a6 | 507 | Val = self._UnaryExpr()\r |
d0acc87a LG |
508 | try:\r |
509 | return self.Eval('not', Val)\r | |
5b0671c1 | 510 | except WrnExpression as Warn:\r |
d0acc87a LG |
511 | self._WarnExcept = Warn\r |
512 | return Warn.result\r | |
4d601fc6 | 513 | if self._IsOperator({"~"}):\r |
5e06f1a0 YZ |
514 | Val = self._UnaryExpr()\r |
515 | try:\r | |
516 | return self.Eval('~', Val)\r | |
5b0671c1 | 517 | except WrnExpression as Warn:\r |
5e06f1a0 YZ |
518 | self._WarnExcept = Warn\r |
519 | return Warn.result\r | |
0d2711a6 LG |
520 | return self._IdenExpr()\r |
521 | \r | |
522 | # Parse identifier or encapsulated expression\r | |
523 | def _IdenExpr(self):\r | |
524 | Tk = self._GetToken()\r | |
525 | if Tk == '(':\r | |
bc0d7233 | 526 | Val = self._ConExpr()\r |
0d2711a6 LG |
527 | try:\r |
528 | # _GetToken may also raise BadExpression\r | |
529 | if self._GetToken() != ')':\r | |
530 | raise BadExpression(ERR_MATCH)\r | |
531 | except BadExpression:\r | |
532 | raise BadExpression(ERR_MATCH)\r | |
533 | return Val\r | |
534 | return Tk\r | |
535 | \r | |
536 | # Skip whitespace or tab\r | |
537 | def __SkipWS(self):\r | |
538 | for Char in self._Expr[self._Idx:]:\r | |
539 | if Char not in ' \t':\r | |
540 | break\r | |
541 | self._Idx += 1\r | |
542 | \r | |
543 | # Try to convert string to number\r | |
544 | def __IsNumberToken(self):\r | |
545 | Radix = 10\r | |
546 | if self._Token.lower()[0:2] == '0x' and len(self._Token) > 2:\r | |
547 | Radix = 16\r | |
35f613d9 YF |
548 | if self._Token.startswith('"') or self._Token.startswith('L"'):\r |
549 | Flag = 0\r | |
550 | for Index in range(len(self._Token)):\r | |
4d601fc6 | 551 | if self._Token[Index] in {'"'}:\r |
ea927d2f FY |
552 | if self._Token[Index - 1] == '\\':\r |
553 | continue\r | |
35f613d9 YF |
554 | Flag += 1\r |
555 | if Flag == 2 and self._Token.endswith('"'):\r | |
35f613d9 YF |
556 | return True\r |
557 | if self._Token.startswith("'") or self._Token.startswith("L'"):\r | |
726c501c YZ |
558 | Flag = 0\r |
559 | for Index in range(len(self._Token)):\r | |
4d601fc6 | 560 | if self._Token[Index] in {"'"}:\r |
ea927d2f FY |
561 | if self._Token[Index - 1] == '\\':\r |
562 | continue\r | |
726c501c | 563 | Flag += 1\r |
35f613d9 | 564 | if Flag == 2 and self._Token.endswith("'"):\r |
726c501c | 565 | return True\r |
0d2711a6 LG |
566 | try:\r |
567 | self._Token = int(self._Token, Radix)\r | |
568 | return True\r | |
569 | except ValueError:\r | |
570 | return False\r | |
571 | except TypeError:\r | |
572 | return False\r | |
573 | \r | |
574 | # Parse array: {...}\r | |
575 | def __GetArray(self):\r | |
576 | Token = '{'\r | |
577 | self._Idx += 1\r | |
578 | self.__GetNList(True)\r | |
579 | Token += self._LiteralToken\r | |
580 | if self._Idx >= self._Len or self._Expr[self._Idx] != '}':\r | |
581 | raise BadExpression(ERR_ARRAY_TOKEN % Token)\r | |
582 | Token += '}'\r | |
583 | \r | |
584 | # All whitespace and tabs in array are already stripped.\r | |
585 | IsArray = IsGuid = False\r | |
586 | if len(Token.split(',')) == 11 and len(Token.split(',{')) == 2 \\r | |
587 | and len(Token.split('},')) == 1:\r | |
ccaa7754 | 588 | HexLen = [11, 6, 6, 5, 4, 4, 4, 4, 4, 4, 6]\r |
0d2711a6 LG |
589 | HexList= Token.split(',')\r |
590 | if HexList[3].startswith('{') and \\r | |
591 | not [Index for Index, Hex in enumerate(HexList) if len(Hex) > HexLen[Index]]:\r | |
592 | IsGuid = True\r | |
593 | if Token.lstrip('{').rstrip('}').find('{') == -1:\r | |
594 | if not [Hex for Hex in Token.lstrip('{').rstrip('}').split(',') if len(Hex) > 4]:\r | |
595 | IsArray = True\r | |
596 | if not IsArray and not IsGuid:\r | |
597 | raise BadExpression(ERR_ARRAY_TOKEN % Token)\r | |
598 | self._Idx += 1\r | |
599 | self._Token = self._LiteralToken = Token\r | |
600 | return self._Token\r | |
601 | \r | |
602 | # Parse string, the format must be: "..."\r | |
603 | def __GetString(self):\r | |
604 | Idx = self._Idx\r | |
605 | \r | |
606 | # Skip left quote\r | |
607 | self._Idx += 1\r | |
608 | \r | |
609 | # Replace escape \\\", \"\r | |
ea927d2f FY |
610 | if self._Expr[Idx] == '"':\r |
611 | Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace('\\\"', '\\\'')\r | |
612 | for Ch in Expr:\r | |
613 | self._Idx += 1\r | |
614 | if Ch == '"':\r | |
615 | break\r | |
616 | self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r | |
617 | if not self._Token.endswith('"'):\r | |
618 | raise BadExpression(ERR_STRING_TOKEN % self._Token)\r | |
619 | #Replace escape \\\', \'\r | |
620 | elif self._Expr[Idx] == "'":\r | |
621 | Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace("\\\'", "\\\"")\r | |
622 | for Ch in Expr:\r | |
623 | self._Idx += 1\r | |
624 | if Ch == "'":\r | |
625 | break\r | |
626 | self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r | |
627 | if not self._Token.endswith("'"):\r | |
628 | raise BadExpression(ERR_STRING_TOKEN % self._Token)\r | |
0d2711a6 LG |
629 | self._Token = self._Token[1:-1]\r |
630 | return self._Token\r | |
631 | \r | |
632 | # Get token that is comprised by alphanumeric, underscore or dot(used by PCD)\r | |
633 | # @param IsAlphaOp: Indicate if parsing general token or script operator(EQ, NE...)\r | |
634 | def __GetIdToken(self, IsAlphaOp = False):\r | |
635 | IdToken = ''\r | |
636 | for Ch in self._Expr[self._Idx:]:\r | |
bc0d7233 | 637 | if not self.__IsIdChar(Ch) or ('?' in self._Expr and Ch == ':'):\r |
0d2711a6 LG |
638 | break\r |
639 | self._Idx += 1\r | |
640 | IdToken += Ch\r | |
641 | \r | |
642 | self._Token = self._LiteralToken = IdToken\r | |
643 | if not IsAlphaOp:\r | |
644 | self.__ResolveToken()\r | |
645 | return self._Token\r | |
646 | \r | |
647 | # Try to resolve token\r | |
648 | def __ResolveToken(self):\r | |
649 | if not self._Token:\r | |
650 | raise BadExpression(ERR_EMPTY_TOKEN)\r | |
651 | \r | |
652 | # PCD token\r | |
e6c2468a | 653 | if PcdPattern.match(self._Token):\r |
0d2711a6 | 654 | if self._Token not in self._Symb:\r |
64b2609f LG |
655 | Ex = BadExpression(ERR_PCD_RESOLVE % self._Token)\r |
656 | Ex.Pcd = self._Token\r | |
657 | raise Ex\r | |
4afd3d04 | 658 | self._Token = ValueExpression(self._Symb[self._Token], self._Symb)(True, self._Depth+1)\r |
0d1f5b2b | 659 | if not isinstance(self._Token, type('')):\r |
0d2711a6 LG |
660 | self._LiteralToken = hex(self._Token)\r |
661 | return\r | |
662 | \r | |
663 | if self._Token.startswith('"'):\r | |
664 | self._Token = self._Token[1:-1]\r | |
4d601fc6 | 665 | elif self._Token in {"FALSE", "false", "False"}:\r |
0d2711a6 | 666 | self._Token = False\r |
4d601fc6 | 667 | elif self._Token in {"TRUE", "true", "True"}:\r |
0d2711a6 LG |
668 | self._Token = True\r |
669 | else:\r | |
670 | self.__IsNumberToken()\r | |
671 | \r | |
672 | def __GetNList(self, InArray=False):\r | |
673 | self._GetSingleToken()\r | |
674 | if not self.__IsHexLiteral():\r | |
675 | if InArray:\r | |
676 | raise BadExpression(ERR_ARRAY_ELE % self._Token)\r | |
677 | return self._Token\r | |
678 | \r | |
679 | self.__SkipWS()\r | |
680 | Expr = self._Expr[self._Idx:]\r | |
681 | if not Expr.startswith(','):\r | |
682 | return self._Token\r | |
683 | \r | |
684 | NList = self._LiteralToken\r | |
685 | while Expr.startswith(','):\r | |
686 | NList += ','\r | |
687 | self._Idx += 1\r | |
688 | self.__SkipWS()\r | |
689 | self._GetSingleToken()\r | |
690 | if not self.__IsHexLiteral():\r | |
691 | raise BadExpression(ERR_ARRAY_ELE % self._Token)\r | |
692 | NList += self._LiteralToken\r | |
693 | self.__SkipWS()\r | |
694 | Expr = self._Expr[self._Idx:]\r | |
695 | self._Token = self._LiteralToken = NList\r | |
696 | return self._Token\r | |
697 | \r | |
698 | def __IsHexLiteral(self):\r | |
699 | if self._LiteralToken.startswith('{') and \\r | |
700 | self._LiteralToken.endswith('}'):\r | |
701 | return True\r | |
702 | \r | |
56326323 | 703 | if gHexPattern.match(self._LiteralToken):\r |
0d2711a6 | 704 | Token = self._LiteralToken[2:]\r |
0d2711a6 LG |
705 | if not Token:\r |
706 | self._LiteralToken = '0x0'\r | |
707 | else:\r | |
35f613d9 | 708 | self._LiteralToken = '0x' + Token\r |
0d2711a6 LG |
709 | return True\r |
710 | return False\r | |
711 | \r | |
712 | def _GetToken(self):\r | |
713 | return self.__GetNList()\r | |
714 | \r | |
715 | @staticmethod\r | |
716 | def __IsIdChar(Ch):\r | |
5e06f1a0 | 717 | return Ch in '._:' or Ch.isalnum()\r |
0d2711a6 LG |
718 | \r |
719 | # Parse operand\r | |
720 | def _GetSingleToken(self):\r | |
721 | self.__SkipWS()\r | |
722 | Expr = self._Expr[self._Idx:]\r | |
723 | if Expr.startswith('L"'):\r | |
724 | # Skip L\r | |
725 | self._Idx += 1\r | |
726 | UStr = self.__GetString()\r | |
727 | self._Token = 'L"' + UStr + '"'\r | |
726c501c YZ |
728 | return self._Token\r |
729 | elif Expr.startswith("L'"):\r | |
730 | # Skip L\r | |
731 | self._Idx += 1\r | |
732 | UStr = self.__GetString()\r | |
733 | self._Token = "L'" + UStr + "'"\r | |
0d2711a6 | 734 | return self._Token\r |
726c501c YZ |
735 | elif Expr.startswith("'"):\r |
736 | UStr = self.__GetString()\r | |
737 | self._Token = "'" + UStr + "'"\r | |
726c501c YZ |
738 | return self._Token\r |
739 | elif Expr.startswith('UINT'):\r | |
740 | Re = re.compile('(?:UINT8|UINT16|UINT32|UINT64)\((.+)\)')\r | |
741 | try:\r | |
742 | RetValue = Re.search(Expr).group(1)\r | |
743 | except:\r | |
744 | raise BadExpression('Invalid Expression %s' % Expr)\r | |
745 | Idx = self._Idx\r | |
746 | for Ch in Expr:\r | |
747 | self._Idx += 1\r | |
748 | if Ch == '(':\r | |
749 | Prefix = self._Expr[Idx:self._Idx - 1]\r | |
750 | Idx = self._Idx\r | |
751 | if Ch == ')':\r | |
752 | TmpValue = self._Expr[Idx :self._Idx - 1]\r | |
753 | TmpValue = ValueExpression(TmpValue)(True)\r | |
0d1f5b2b | 754 | TmpValue = '0x%x' % int(TmpValue) if not isinstance(TmpValue, type('')) else TmpValue\r |
726c501c YZ |
755 | break\r |
756 | self._Token, Size = ParseFieldValue(Prefix + '(' + TmpValue + ')')\r | |
757 | return self._Token\r | |
0d2711a6 LG |
758 | \r |
759 | self._Token = ''\r | |
760 | if Expr:\r | |
761 | Ch = Expr[0]\r | |
b1a9e404 | 762 | Match = gGuidPattern.match(Expr)\r |
0d2711a6 LG |
763 | if Match and not Expr[Match.end():Match.end()+1].isalnum() \\r |
764 | and Expr[Match.end():Match.end()+1] != '_':\r | |
765 | self._Idx += Match.end()\r | |
4afd3d04 | 766 | self._Token = ValueExpression(GuidStringToGuidStructureString(Expr[0:Match.end()]))(True, self._Depth+1)\r |
0d2711a6 LG |
767 | return self._Token\r |
768 | elif self.__IsIdChar(Ch):\r | |
769 | return self.__GetIdToken()\r | |
770 | elif Ch == '"':\r | |
771 | return self.__GetString()\r | |
772 | elif Ch == '{':\r | |
773 | return self.__GetArray()\r | |
774 | elif Ch == '(' or Ch == ')':\r | |
775 | self._Idx += 1\r | |
776 | self._Token = Ch\r | |
777 | return self._Token\r | |
778 | \r | |
779 | raise BadExpression(ERR_VALID_TOKEN % Expr)\r | |
780 | \r | |
781 | # Parse operator\r | |
782 | def _GetOperator(self):\r | |
783 | self.__SkipWS()\r | |
ccaa7754 | 784 | LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst + ['?', ':']\r |
0d2711a6 LG |
785 | \r |
786 | self._Token = ''\r | |
787 | Expr = self._Expr[self._Idx:]\r | |
788 | \r | |
789 | # Reach end of expression\r | |
790 | if not Expr:\r | |
791 | return ''\r | |
792 | \r | |
793 | # Script operator: LT, GT, LE, GE, EQ, NE, and, or, xor, not\r | |
794 | if Expr[0].isalpha():\r | |
795 | return self.__GetIdToken(True)\r | |
796 | \r | |
797 | # Start to get regular operator: +, -, <, > ...\r | |
798 | if Expr[0] not in self.NonLetterOpLst:\r | |
799 | return ''\r | |
800 | \r | |
801 | OpToken = ''\r | |
802 | for Ch in Expr:\r | |
803 | if Ch in self.NonLetterOpLst:\r | |
f25cd80e | 804 | if Ch in ['!', '~'] and OpToken:\r |
0d2711a6 LG |
805 | break\r |
806 | self._Idx += 1\r | |
807 | OpToken += Ch\r | |
808 | else:\r | |
809 | break\r | |
810 | \r | |
811 | if OpToken not in LegalOpLst:\r | |
812 | raise BadExpression(ERR_OPERATOR_UNSUPPORT % OpToken)\r | |
813 | self._Token = OpToken\r | |
814 | return OpToken\r | |
815 | \r | |
726c501c YZ |
816 | class ValueExpressionEx(ValueExpression):\r |
817 | def __init__(self, PcdValue, PcdType, SymbolTable={}):\r | |
818 | ValueExpression.__init__(self, PcdValue, SymbolTable)\r | |
819 | self.PcdValue = PcdValue\r | |
820 | self.PcdType = PcdType\r | |
821 | \r | |
822 | def __call__(self, RealValue=False, Depth=0):\r | |
823 | PcdValue = self.PcdValue\r | |
72a1d776 | 824 | if "{CODE(" not in PcdValue:\r |
825 | try:\r | |
826 | PcdValue = ValueExpression.__call__(self, RealValue, Depth)\r | |
827 | if self.PcdType == TAB_VOID and (PcdValue.startswith("'") or PcdValue.startswith("L'")):\r | |
828 | PcdValue, Size = ParseFieldValue(PcdValue)\r | |
829 | PcdValueList = []\r | |
830 | for I in range(Size):\r | |
831 | PcdValueList.append('0x%02X'%(PcdValue & 0xff))\r | |
832 | PcdValue = PcdValue >> 8\r | |
833 | PcdValue = '{' + ','.join(PcdValueList) + '}'\r | |
834 | elif self.PcdType in TAB_PCD_NUMERIC_TYPES and (PcdValue.startswith("'") or \\r | |
835 | PcdValue.startswith('"') or PcdValue.startswith("L'") or PcdValue.startswith('L"') or PcdValue.startswith('{')):\r | |
836 | raise BadExpression\r | |
837 | except WrnExpression as Value:\r | |
838 | PcdValue = Value.result\r | |
839 | except BadExpression as Value:\r | |
840 | if self.PcdType in TAB_PCD_NUMERIC_TYPES:\r | |
841 | PcdValue = PcdValue.strip()\r | |
842 | if PcdValue.startswith('{') and PcdValue.endswith('}'):\r | |
843 | PcdValue = SplitPcdValueString(PcdValue[1:-1])\r | |
844 | if isinstance(PcdValue, type([])):\r | |
845 | TmpValue = 0\r | |
846 | Size = 0\r | |
847 | ValueType = ''\r | |
848 | for Item in PcdValue:\r | |
b31501c9 | 849 | Item = Item.strip()\r |
656d2539 | 850 | if Item.startswith(TAB_UINT8):\r |
72a1d776 | 851 | ItemSize = 1\r |
852 | ValueType = TAB_UINT8\r | |
656d2539 | 853 | elif Item.startswith(TAB_UINT16):\r |
72a1d776 | 854 | ItemSize = 2\r |
855 | ValueType = TAB_UINT16\r | |
656d2539 | 856 | elif Item.startswith(TAB_UINT32):\r |
72a1d776 | 857 | ItemSize = 4\r |
858 | ValueType = TAB_UINT32\r | |
656d2539 | 859 | elif Item.startswith(TAB_UINT64):\r |
72a1d776 | 860 | ItemSize = 8\r |
861 | ValueType = TAB_UINT64\r | |
862 | elif Item[0] in {'"', "'", 'L'}:\r | |
863 | ItemSize = 0\r | |
864 | ValueType = TAB_VOID\r | |
3be421e9 | 865 | else:\r |
72a1d776 | 866 | ItemSize = 0\r |
867 | ValueType = TAB_UINT8\r | |
868 | Item = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r | |
869 | if ItemSize == 0:\r | |
8bd72d7c | 870 | try:\r |
72a1d776 | 871 | tmpValue = int(Item, 0)\r |
872 | if tmpValue > 255:\r | |
873 | raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r | |
874 | except BadExpression as Value:\r | |
875 | raise BadExpression(Value)\r | |
876 | except ValueError:\r | |
35f613d9 | 877 | pass\r |
72a1d776 | 878 | ItemValue, ItemSize = ParseFieldValue(Item)\r |
3be421e9 | 879 | else:\r |
72a1d776 | 880 | ItemValue = ParseFieldValue(Item)[0]\r |
881 | \r | |
882 | if isinstance(ItemValue, type('')):\r | |
883 | ItemValue = int(ItemValue, 0)\r | |
884 | \r | |
885 | TmpValue = (ItemValue << (Size * 8)) | TmpValue\r | |
886 | Size = Size + ItemSize\r | |
887 | else:\r | |
888 | try:\r | |
889 | TmpValue, Size = ParseFieldValue(PcdValue)\r | |
890 | except BadExpression as Value:\r | |
891 | raise BadExpression("Type: %s, Value: %s, %s" % (self.PcdType, PcdValue, Value))\r | |
892 | if isinstance(TmpValue, type('')):\r | |
893 | try:\r | |
894 | TmpValue = int(TmpValue)\r | |
895 | except:\r | |
896 | raise BadExpression(Value)\r | |
897 | else:\r | |
898 | PcdValue = '0x%0{}X'.format(Size) % (TmpValue)\r | |
899 | if TmpValue < 0:\r | |
900 | raise BadExpression('Type %s PCD Value is negative' % self.PcdType)\r | |
901 | if self.PcdType == TAB_UINT8 and Size > 1:\r | |
902 | raise BadExpression('Type %s PCD Value Size is Larger than 1 byte' % self.PcdType)\r | |
903 | if self.PcdType == TAB_UINT16 and Size > 2:\r | |
904 | raise BadExpression('Type %s PCD Value Size is Larger than 2 byte' % self.PcdType)\r | |
905 | if self.PcdType == TAB_UINT32 and Size > 4:\r | |
906 | raise BadExpression('Type %s PCD Value Size is Larger than 4 byte' % self.PcdType)\r | |
907 | if self.PcdType == TAB_UINT64 and Size > 8:\r | |
908 | raise BadExpression('Type %s PCD Value Size is Larger than 8 byte' % self.PcdType)\r | |
909 | else:\r | |
910 | try:\r | |
911 | TmpValue = int(PcdValue)\r | |
912 | TmpList = []\r | |
913 | if TmpValue.bit_length() == 0:\r | |
914 | PcdValue = '{0x00}'\r | |
915 | else:\r | |
b3e94a06 | 916 | for I in range((TmpValue.bit_length() + 7) // 8):\r |
72a1d776 | 917 | TmpList.append('0x%02x' % ((TmpValue >> I * 8) & 0xff))\r |
918 | PcdValue = '{' + ', '.join(TmpList) + '}'\r | |
919 | except:\r | |
920 | if PcdValue.strip().startswith('{'):\r | |
921 | PcdValueList = SplitPcdValueString(PcdValue.strip()[1:-1])\r | |
922 | LabelDict = {}\r | |
923 | NewPcdValueList = []\r | |
924 | LabelOffset = 0\r | |
925 | for Item in PcdValueList:\r | |
926 | # compute byte offset of every LABEL\r | |
927 | LabelList = _ReLabel.findall(Item)\r | |
928 | Item = _ReLabel.sub('', Item)\r | |
929 | Item = Item.strip()\r | |
930 | if LabelList:\r | |
931 | for Label in LabelList:\r | |
932 | if not IsValidCName(Label):\r | |
933 | raise BadExpression('%s is not a valid c variable name' % Label)\r | |
934 | if Label not in LabelDict:\r | |
935 | LabelDict[Label] = str(LabelOffset)\r | |
656d2539 | 936 | if Item.startswith(TAB_UINT8):\r |
72a1d776 | 937 | LabelOffset = LabelOffset + 1\r |
656d2539 | 938 | elif Item.startswith(TAB_UINT16):\r |
72a1d776 | 939 | LabelOffset = LabelOffset + 2\r |
656d2539 | 940 | elif Item.startswith(TAB_UINT32):\r |
72a1d776 | 941 | LabelOffset = LabelOffset + 4\r |
656d2539 | 942 | elif Item.startswith(TAB_UINT64):\r |
72a1d776 | 943 | LabelOffset = LabelOffset + 8\r |
35f613d9 | 944 | else:\r |
72a1d776 | 945 | try:\r |
946 | ItemValue, ItemSize = ParseFieldValue(Item)\r | |
947 | LabelOffset = LabelOffset + ItemSize\r | |
948 | except:\r | |
949 | LabelOffset = LabelOffset + 1\r | |
950 | \r | |
951 | for Item in PcdValueList:\r | |
952 | # for LABEL parse\r | |
953 | Item = Item.strip()\r | |
954 | try:\r | |
955 | Item = _ReLabel.sub('', Item)\r | |
956 | except:\r | |
957 | pass\r | |
958 | try:\r | |
959 | OffsetList = _ReOffset.findall(Item)\r | |
960 | except:\r | |
961 | pass\r | |
962 | # replace each offset, except errors\r | |
963 | for Offset in OffsetList:\r | |
964 | try:\r | |
965 | Item = Item.replace('OFFSET_OF({})'.format(Offset), LabelDict[Offset])\r | |
966 | except:\r | |
967 | raise BadExpression('%s not defined' % Offset)\r | |
968 | \r | |
969 | NewPcdValueList.append(Item)\r | |
970 | \r | |
971 | AllPcdValueList = []\r | |
972 | for Item in NewPcdValueList:\r | |
973 | Size = 0\r | |
974 | ValueStr = ''\r | |
975 | TokenSpaceGuidName = ''\r | |
976 | if Item.startswith(TAB_GUID) and Item.endswith(')'):\r | |
977 | try:\r | |
978 | TokenSpaceGuidName = re.search('GUID\((\w+)\)', Item).group(1)\r | |
979 | except:\r | |
980 | pass\r | |
981 | if TokenSpaceGuidName and TokenSpaceGuidName in self._Symb:\r | |
982 | Item = 'GUID(' + self._Symb[TokenSpaceGuidName] + ')'\r | |
983 | elif TokenSpaceGuidName:\r | |
984 | raise BadExpression('%s not found in DEC file' % TokenSpaceGuidName)\r | |
985 | Item, Size = ParseFieldValue(Item)\r | |
986 | for Index in range(0, Size):\r | |
987 | ValueStr = '0x%02X' % (int(Item) & 255)\r | |
988 | Item >>= 8\r | |
989 | AllPcdValueList.append(ValueStr)\r | |
990 | continue\r | |
991 | elif Item.startswith('DEVICE_PATH') and Item.endswith(')'):\r | |
992 | Item, Size = ParseFieldValue(Item)\r | |
993 | AllPcdValueList.append(Item[1:-1])\r | |
994 | continue\r | |
35f613d9 | 995 | else:\r |
72a1d776 | 996 | ValueType = ""\r |
997 | if Item.startswith(TAB_UINT8):\r | |
998 | ItemSize = 1\r | |
999 | ValueType = TAB_UINT8\r | |
1000 | elif Item.startswith(TAB_UINT16):\r | |
1001 | ItemSize = 2\r | |
1002 | ValueType = TAB_UINT16\r | |
1003 | elif Item.startswith(TAB_UINT32):\r | |
1004 | ItemSize = 4\r | |
1005 | ValueType = TAB_UINT32\r | |
1006 | elif Item.startswith(TAB_UINT64):\r | |
1007 | ItemSize = 8\r | |
1008 | ValueType = TAB_UINT64\r | |
1009 | else:\r | |
1010 | ItemSize = 0\r | |
1011 | if ValueType:\r | |
1012 | TmpValue = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r | |
1013 | else:\r | |
1014 | TmpValue = ValueExpressionEx(Item, self.PcdType, self._Symb)(True)\r | |
1015 | Item = '0x%x' % TmpValue if not isinstance(TmpValue, type('')) else TmpValue\r | |
1016 | if ItemSize == 0:\r | |
1017 | ItemValue, ItemSize = ParseFieldValue(Item)\r | |
1018 | if Item[0] not in {'"', 'L', '{'} and ItemSize > 1:\r | |
1019 | raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r | |
1020 | else:\r | |
1021 | ItemValue = ParseFieldValue(Item)[0]\r | |
1022 | for I in range(0, ItemSize):\r | |
1023 | ValueStr = '0x%02X' % (int(ItemValue) & 255)\r | |
1024 | ItemValue >>= 8\r | |
1025 | AllPcdValueList.append(ValueStr)\r | |
1026 | Size += ItemSize\r | |
1027 | \r | |
1028 | if Size > 0:\r | |
1029 | PcdValue = '{' + ','.join(AllPcdValueList) + '}'\r | |
1030 | else:\r | |
1031 | raise BadExpression("Type: %s, Value: %s, %s"%(self.PcdType, PcdValue, Value))\r | |
0e6b8673 | 1032 | \r |
72a1d776 | 1033 | if PcdValue == 'True':\r |
1034 | PcdValue = '1'\r | |
1035 | if PcdValue == 'False':\r | |
1036 | PcdValue = '0'\r | |
726c501c | 1037 | \r |
726c501c YZ |
1038 | if RealValue:\r |
1039 | return PcdValue\r | |
1040 | \r | |
0d2711a6 LG |
1041 | if __name__ == '__main__':\r |
1042 | pass\r | |
d0acc87a | 1043 | while True:\r |
1ccc4d89 | 1044 | input = raw_input('Input expr: ')\r |
d0acc87a LG |
1045 | if input in 'qQ':\r |
1046 | break\r | |
1047 | try:\r | |
72443dd2 GL |
1048 | print(ValueExpression(input)(True))\r |
1049 | print(ValueExpression(input)(False))\r | |
5b0671c1 | 1050 | except WrnExpression as Ex:\r |
72443dd2 GL |
1051 | print(Ex.result)\r |
1052 | print(str(Ex))\r | |
5b0671c1 | 1053 | except Exception as Ex:\r |
72443dd2 | 1054 | print(str(Ex))\r |