aslascii.c revision 1.1.1.6.2.2
1 1.1.1.6.2.2 jdolecek /****************************************************************************** 2 1.1.1.6.2.2 jdolecek * 3 1.1.1.6.2.2 jdolecek * Module Name: aslascii - ASCII detection and support routines 4 1.1.1.6.2.2 jdolecek * 5 1.1.1.6.2.2 jdolecek *****************************************************************************/ 6 1.1.1.6.2.2 jdolecek 7 1.1.1.6.2.2 jdolecek /* 8 1.1.1.6.2.2 jdolecek * Copyright (C) 2000 - 2017, Intel Corp. 9 1.1.1.6.2.2 jdolecek * All rights reserved. 10 1.1.1.6.2.2 jdolecek * 11 1.1.1.6.2.2 jdolecek * Redistribution and use in source and binary forms, with or without 12 1.1.1.6.2.2 jdolecek * modification, are permitted provided that the following conditions 13 1.1.1.6.2.2 jdolecek * are met: 14 1.1.1.6.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright 15 1.1.1.6.2.2 jdolecek * notice, this list of conditions, and the following disclaimer, 16 1.1.1.6.2.2 jdolecek * without modification. 17 1.1.1.6.2.2 jdolecek * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.6.2.2 jdolecek * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.6.2.2 jdolecek * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.6.2.2 jdolecek * including a substantially similar Disclaimer requirement for further 21 1.1.1.6.2.2 jdolecek * binary redistribution. 22 1.1.1.6.2.2 jdolecek * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.6.2.2 jdolecek * of any contributors may be used to endorse or promote products derived 24 1.1.1.6.2.2 jdolecek * from this software without specific prior written permission. 25 1.1.1.6.2.2 jdolecek * 26 1.1.1.6.2.2 jdolecek * Alternatively, this software may be distributed under the terms of the 27 1.1.1.6.2.2 jdolecek * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.6.2.2 jdolecek * Software Foundation. 29 1.1.1.6.2.2 jdolecek * 30 1.1.1.6.2.2 jdolecek * NO WARRANTY 31 1.1.1.6.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.6.2.2 jdolecek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.6.2.2 jdolecek * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.6.2.2 jdolecek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.6.2.2 jdolecek * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.6.2.2 jdolecek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.6.2.2 jdolecek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.6.2.2 jdolecek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.6.2.2 jdolecek * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.6.2.2 jdolecek * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.6.2.2 jdolecek * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.6.2.2 jdolecek */ 43 1.1.1.6.2.2 jdolecek 44 1.1.1.6.2.2 jdolecek #include "aslcompiler.h" 45 1.1.1.6.2.2 jdolecek #include <actables.h> 46 1.1.1.6.2.2 jdolecek #include <acapps.h> 47 1.1.1.6.2.2 jdolecek 48 1.1.1.6.2.2 jdolecek #define _COMPONENT ACPI_COMPILER 49 1.1.1.6.2.2 jdolecek ACPI_MODULE_NAME ("aslascii") 50 1.1.1.6.2.2 jdolecek 51 1.1.1.6.2.2 jdolecek 52 1.1.1.6.2.2 jdolecek /* Local prototypes */ 53 1.1.1.6.2.2 jdolecek 54 1.1.1.6.2.2 jdolecek static void 55 1.1.1.6.2.2 jdolecek FlConsumeAnsiComment ( 56 1.1.1.6.2.2 jdolecek FILE *Handle, 57 1.1.1.6.2.2 jdolecek ASL_FILE_STATUS *Status); 58 1.1.1.6.2.2 jdolecek 59 1.1.1.6.2.2 jdolecek static void 60 1.1.1.6.2.2 jdolecek FlConsumeNewComment ( 61 1.1.1.6.2.2 jdolecek FILE *Handle, 62 1.1.1.6.2.2 jdolecek ASL_FILE_STATUS *Status); 63 1.1.1.6.2.2 jdolecek 64 1.1.1.6.2.2 jdolecek 65 1.1.1.6.2.2 jdolecek /******************************************************************************* 66 1.1.1.6.2.2 jdolecek * 67 1.1.1.6.2.2 jdolecek * FUNCTION: FlIsFileAsciiSource 68 1.1.1.6.2.2 jdolecek * 69 1.1.1.6.2.2 jdolecek * PARAMETERS: Filename - Full input filename 70 1.1.1.6.2.2 jdolecek * DisplayErrors - TRUE if error messages desired 71 1.1.1.6.2.2 jdolecek * 72 1.1.1.6.2.2 jdolecek * RETURN: Status 73 1.1.1.6.2.2 jdolecek * 74 1.1.1.6.2.2 jdolecek * DESCRIPTION: Verify that the input file is entirely ASCII. Ignores characters 75 1.1.1.6.2.2 jdolecek * within comments. Note: does not handle nested comments and does 76 1.1.1.6.2.2 jdolecek * not handle comment delimiters within string literals. However, 77 1.1.1.6.2.2 jdolecek * on the rare chance this happens and an invalid character is 78 1.1.1.6.2.2 jdolecek * missed, the parser will catch the error by failing in some 79 1.1.1.6.2.2 jdolecek * spectactular manner. 80 1.1.1.6.2.2 jdolecek * 81 1.1.1.6.2.2 jdolecek ******************************************************************************/ 82 1.1.1.6.2.2 jdolecek 83 1.1.1.6.2.2 jdolecek ACPI_STATUS 84 1.1.1.6.2.2 jdolecek FlIsFileAsciiSource ( 85 1.1.1.6.2.2 jdolecek char *Filename, 86 1.1.1.6.2.2 jdolecek BOOLEAN DisplayErrors) 87 1.1.1.6.2.2 jdolecek { 88 1.1.1.6.2.2 jdolecek UINT8 Byte; 89 1.1.1.6.2.2 jdolecek UINT32 BadBytes = 0; 90 1.1.1.6.2.2 jdolecek BOOLEAN OpeningComment = FALSE; 91 1.1.1.6.2.2 jdolecek ASL_FILE_STATUS Status; 92 1.1.1.6.2.2 jdolecek FILE *Handle; 93 1.1.1.6.2.2 jdolecek 94 1.1.1.6.2.2 jdolecek 95 1.1.1.6.2.2 jdolecek /* Open file in text mode so file offset is always accurate */ 96 1.1.1.6.2.2 jdolecek 97 1.1.1.6.2.2 jdolecek Handle = fopen (Filename, "rb"); 98 1.1.1.6.2.2 jdolecek if (!Handle) 99 1.1.1.6.2.2 jdolecek { 100 1.1.1.6.2.2 jdolecek perror ("Could not open input file"); 101 1.1.1.6.2.2 jdolecek return (AE_ERROR); 102 1.1.1.6.2.2 jdolecek } 103 1.1.1.6.2.2 jdolecek 104 1.1.1.6.2.2 jdolecek Status.Line = 1; 105 1.1.1.6.2.2 jdolecek Status.Offset = 0; 106 1.1.1.6.2.2 jdolecek 107 1.1.1.6.2.2 jdolecek /* Read the entire file */ 108 1.1.1.6.2.2 jdolecek 109 1.1.1.6.2.2 jdolecek while (fread (&Byte, 1, 1, Handle) == 1) 110 1.1.1.6.2.2 jdolecek { 111 1.1.1.6.2.2 jdolecek /* Ignore comment fields (allow non-ascii within) */ 112 1.1.1.6.2.2 jdolecek 113 1.1.1.6.2.2 jdolecek if (OpeningComment) 114 1.1.1.6.2.2 jdolecek { 115 1.1.1.6.2.2 jdolecek /* Check for second comment open delimiter */ 116 1.1.1.6.2.2 jdolecek 117 1.1.1.6.2.2 jdolecek if (Byte == '*') 118 1.1.1.6.2.2 jdolecek { 119 1.1.1.6.2.2 jdolecek FlConsumeAnsiComment (Handle, &Status); 120 1.1.1.6.2.2 jdolecek } 121 1.1.1.6.2.2 jdolecek 122 1.1.1.6.2.2 jdolecek if (Byte == '/') 123 1.1.1.6.2.2 jdolecek { 124 1.1.1.6.2.2 jdolecek FlConsumeNewComment (Handle, &Status); 125 1.1.1.6.2.2 jdolecek } 126 1.1.1.6.2.2 jdolecek 127 1.1.1.6.2.2 jdolecek /* Reset */ 128 1.1.1.6.2.2 jdolecek 129 1.1.1.6.2.2 jdolecek OpeningComment = FALSE; 130 1.1.1.6.2.2 jdolecek } 131 1.1.1.6.2.2 jdolecek else if (Byte == '/') 132 1.1.1.6.2.2 jdolecek { 133 1.1.1.6.2.2 jdolecek OpeningComment = TRUE; 134 1.1.1.6.2.2 jdolecek } 135 1.1.1.6.2.2 jdolecek 136 1.1.1.6.2.2 jdolecek /* Check for an ASCII character */ 137 1.1.1.6.2.2 jdolecek 138 1.1.1.6.2.2 jdolecek if (!ACPI_IS_ASCII (Byte)) 139 1.1.1.6.2.2 jdolecek { 140 1.1.1.6.2.2 jdolecek if ((BadBytes < 10) && (DisplayErrors)) 141 1.1.1.6.2.2 jdolecek { 142 1.1.1.6.2.2 jdolecek AcpiOsPrintf ( 143 1.1.1.6.2.2 jdolecek "Found non-ASCII character in source text: " 144 1.1.1.6.2.2 jdolecek "0x%2.2X in line %u, file offset 0x%2.2X\n", 145 1.1.1.6.2.2 jdolecek Byte, Status.Line, Status.Offset); 146 1.1.1.6.2.2 jdolecek } 147 1.1.1.6.2.2 jdolecek BadBytes++; 148 1.1.1.6.2.2 jdolecek } 149 1.1.1.6.2.2 jdolecek 150 1.1.1.6.2.2 jdolecek /* Ensure character is either printable or a "space" char */ 151 1.1.1.6.2.2 jdolecek 152 1.1.1.6.2.2 jdolecek else if (!isprint (Byte) && !isspace (Byte)) 153 1.1.1.6.2.2 jdolecek { 154 1.1.1.6.2.2 jdolecek if ((BadBytes < 10) && (DisplayErrors)) 155 1.1.1.6.2.2 jdolecek { 156 1.1.1.6.2.2 jdolecek AcpiOsPrintf ( 157 1.1.1.6.2.2 jdolecek "Found invalid character in source text: " 158 1.1.1.6.2.2 jdolecek "0x%2.2X in line %u, file offset 0x%2.2X\n", 159 1.1.1.6.2.2 jdolecek Byte, Status.Line, Status.Offset); 160 1.1.1.6.2.2 jdolecek } 161 1.1.1.6.2.2 jdolecek BadBytes++; 162 1.1.1.6.2.2 jdolecek } 163 1.1.1.6.2.2 jdolecek 164 1.1.1.6.2.2 jdolecek /* Update line counter as necessary */ 165 1.1.1.6.2.2 jdolecek 166 1.1.1.6.2.2 jdolecek if (Byte == 0x0A) 167 1.1.1.6.2.2 jdolecek { 168 1.1.1.6.2.2 jdolecek Status.Line++; 169 1.1.1.6.2.2 jdolecek } 170 1.1.1.6.2.2 jdolecek 171 1.1.1.6.2.2 jdolecek Status.Offset++; 172 1.1.1.6.2.2 jdolecek } 173 1.1.1.6.2.2 jdolecek 174 1.1.1.6.2.2 jdolecek fclose (Handle); 175 1.1.1.6.2.2 jdolecek 176 1.1.1.6.2.2 jdolecek /* Were there any non-ASCII characters in the file? */ 177 1.1.1.6.2.2 jdolecek 178 1.1.1.6.2.2 jdolecek if (BadBytes) 179 1.1.1.6.2.2 jdolecek { 180 1.1.1.6.2.2 jdolecek fprintf (stderr, 181 1.1.1.6.2.2 jdolecek "File appears to be binary: found %u non-ASCII characters, disassembling\n", 182 1.1.1.6.2.2 jdolecek BadBytes); 183 1.1.1.6.2.2 jdolecek if (DisplayErrors) 184 1.1.1.6.2.2 jdolecek { 185 1.1.1.6.2.2 jdolecek AcpiOsPrintf ( 186 1.1.1.6.2.2 jdolecek "Total %u invalid characters found in input source text, " 187 1.1.1.6.2.2 jdolecek "could be a binary file\n", BadBytes); 188 1.1.1.6.2.2 jdolecek AslError (ASL_ERROR, ASL_MSG_NON_ASCII, NULL, Filename); 189 1.1.1.6.2.2 jdolecek } 190 1.1.1.6.2.2 jdolecek 191 1.1.1.6.2.2 jdolecek return (AE_BAD_CHARACTER); 192 1.1.1.6.2.2 jdolecek } 193 1.1.1.6.2.2 jdolecek 194 1.1.1.6.2.2 jdolecek /* File is OK (100% ASCII) */ 195 1.1.1.6.2.2 jdolecek 196 1.1.1.6.2.2 jdolecek return (AE_OK); 197 1.1.1.6.2.2 jdolecek } 198 1.1.1.6.2.2 jdolecek 199 1.1.1.6.2.2 jdolecek 200 1.1.1.6.2.2 jdolecek /******************************************************************************* 201 1.1.1.6.2.2 jdolecek * 202 1.1.1.6.2.2 jdolecek * FUNCTION: FlConsumeAnsiComment 203 1.1.1.6.2.2 jdolecek * 204 1.1.1.6.2.2 jdolecek * PARAMETERS: Handle - Open input file 205 1.1.1.6.2.2 jdolecek * Status - File current status struct 206 1.1.1.6.2.2 jdolecek * 207 1.1.1.6.2.2 jdolecek * RETURN: Number of lines consumed 208 1.1.1.6.2.2 jdolecek * 209 1.1.1.6.2.2 jdolecek * DESCRIPTION: Step over a normal slash-star type comment 210 1.1.1.6.2.2 jdolecek * 211 1.1.1.6.2.2 jdolecek ******************************************************************************/ 212 1.1.1.6.2.2 jdolecek 213 1.1.1.6.2.2 jdolecek static void 214 1.1.1.6.2.2 jdolecek FlConsumeAnsiComment ( 215 1.1.1.6.2.2 jdolecek FILE *Handle, 216 1.1.1.6.2.2 jdolecek ASL_FILE_STATUS *Status) 217 1.1.1.6.2.2 jdolecek { 218 1.1.1.6.2.2 jdolecek UINT8 Byte; 219 1.1.1.6.2.2 jdolecek BOOLEAN ClosingComment = FALSE; 220 1.1.1.6.2.2 jdolecek 221 1.1.1.6.2.2 jdolecek 222 1.1.1.6.2.2 jdolecek while (fread (&Byte, 1, 1, Handle) == 1) 223 1.1.1.6.2.2 jdolecek { 224 1.1.1.6.2.2 jdolecek /* Scan until comment close is found */ 225 1.1.1.6.2.2 jdolecek 226 1.1.1.6.2.2 jdolecek if (ClosingComment) 227 1.1.1.6.2.2 jdolecek { 228 1.1.1.6.2.2 jdolecek if (Byte == '/') 229 1.1.1.6.2.2 jdolecek { 230 1.1.1.6.2.2 jdolecek Status->Offset++; 231 1.1.1.6.2.2 jdolecek return; 232 1.1.1.6.2.2 jdolecek } 233 1.1.1.6.2.2 jdolecek 234 1.1.1.6.2.2 jdolecek if (Byte != '*') 235 1.1.1.6.2.2 jdolecek { 236 1.1.1.6.2.2 jdolecek /* Reset */ 237 1.1.1.6.2.2 jdolecek 238 1.1.1.6.2.2 jdolecek ClosingComment = FALSE; 239 1.1.1.6.2.2 jdolecek } 240 1.1.1.6.2.2 jdolecek } 241 1.1.1.6.2.2 jdolecek else if (Byte == '*') 242 1.1.1.6.2.2 jdolecek { 243 1.1.1.6.2.2 jdolecek ClosingComment = TRUE; 244 1.1.1.6.2.2 jdolecek } 245 1.1.1.6.2.2 jdolecek 246 1.1.1.6.2.2 jdolecek /* Maintain line count */ 247 1.1.1.6.2.2 jdolecek 248 1.1.1.6.2.2 jdolecek if (Byte == 0x0A) 249 1.1.1.6.2.2 jdolecek { 250 1.1.1.6.2.2 jdolecek Status->Line++; 251 1.1.1.6.2.2 jdolecek } 252 1.1.1.6.2.2 jdolecek 253 1.1.1.6.2.2 jdolecek Status->Offset++; 254 1.1.1.6.2.2 jdolecek } 255 1.1.1.6.2.2 jdolecek } 256 1.1.1.6.2.2 jdolecek 257 1.1.1.6.2.2 jdolecek 258 1.1.1.6.2.2 jdolecek /******************************************************************************* 259 1.1.1.6.2.2 jdolecek * 260 1.1.1.6.2.2 jdolecek * FUNCTION: FlConsumeNewComment 261 1.1.1.6.2.2 jdolecek * 262 1.1.1.6.2.2 jdolecek * PARAMETERS: Handle - Open input file 263 1.1.1.6.2.2 jdolecek * Status - File current status struct 264 1.1.1.6.2.2 jdolecek * 265 1.1.1.6.2.2 jdolecek * RETURN: Number of lines consumed 266 1.1.1.6.2.2 jdolecek * 267 1.1.1.6.2.2 jdolecek * DESCRIPTION: Step over a slash-slash type of comment 268 1.1.1.6.2.2 jdolecek * 269 1.1.1.6.2.2 jdolecek ******************************************************************************/ 270 1.1.1.6.2.2 jdolecek 271 1.1.1.6.2.2 jdolecek static void 272 1.1.1.6.2.2 jdolecek FlConsumeNewComment ( 273 1.1.1.6.2.2 jdolecek FILE *Handle, 274 1.1.1.6.2.2 jdolecek ASL_FILE_STATUS *Status) 275 1.1.1.6.2.2 jdolecek { 276 1.1.1.6.2.2 jdolecek UINT8 Byte; 277 1.1.1.6.2.2 jdolecek 278 1.1.1.6.2.2 jdolecek 279 1.1.1.6.2.2 jdolecek while (fread (&Byte, 1, 1, Handle) == 1) 280 1.1.1.6.2.2 jdolecek { 281 1.1.1.6.2.2 jdolecek Status->Offset++; 282 1.1.1.6.2.2 jdolecek 283 1.1.1.6.2.2 jdolecek /* Comment ends at newline */ 284 1.1.1.6.2.2 jdolecek 285 1.1.1.6.2.2 jdolecek if (Byte == 0x0A) 286 1.1.1.6.2.2 jdolecek { 287 1.1.1.6.2.2 jdolecek Status->Line++; 288 1.1.1.6.2.2 jdolecek return; 289 1.1.1.6.2.2 jdolecek } 290 1.1.1.6.2.2 jdolecek } 291 1.1.1.6.2.2 jdolecek } 292
Indexes created Tue Sep 30 20:09:53 GMT 2025