Esempio n. 1
0
static int
AslDoOptions (
    int                     argc,
    char                    **argv,
    BOOLEAN                 IsResponseFile)
{
    ACPI_STATUS             Status;
    UINT32                  j;


    /* Get the command line options */

    while ((j = AcpiGetopt (argc, argv, ASL_SUPPORTED_OPTIONS)) != ACPI_OPT_END) switch (j)
    {
    case '@':   /* Begin a response file */

        if (IsResponseFile)
        {
            printf ("Nested command files are not supported\n");
            return (-1);
        }

        if (AslDoResponseFile (AcpiGbl_Optarg))
        {
            return (-1);
        }
        break;

    case 'a':   /* Debug options */

        switch (AcpiGbl_Optarg[0])
        {
        case 'r':

            Gbl_EnableReferenceTypechecking = TRUE;
            break;

        default:

            printf ("Unknown option: -a%s\n", AcpiGbl_Optarg);
            return (-1);
        }

        break;


    case 'b':   /* Debug options */

        switch (AcpiGbl_Optarg[0])
        {
        case 'f':

            AslCompilerdebug = 1; /* same as yydebug */
            DtParserdebug = 1;
            PrParserdebug = 1;
            Gbl_DebugFlag = TRUE;
            Gbl_KeepPreprocessorTempFile = TRUE;
            break;

        case 'p':   /* Prune ASL parse tree */

            /* Get the required argument */

            if (AcpiGetoptArgument (argc, argv))
            {
                return (-1);
            }

            Gbl_PruneParseTree = TRUE;
            Gbl_PruneDepth = (UINT8) strtoul (AcpiGbl_Optarg, NULL, 0);
            break;

        case 's':

            Gbl_DebugFlag = TRUE;
            break;

        case 't':

            /* Get the required argument */

            if (AcpiGetoptArgument (argc, argv))
            {
                return (-1);
            }

            Gbl_PruneType = (UINT8) strtoul (AcpiGbl_Optarg, NULL, 0);
            break;

        default:

            printf ("Unknown option: -b%s\n", AcpiGbl_Optarg);
            return (-1);
        }

        break;

    case 'c':

        switch (AcpiGbl_Optarg[0])
        {
        case 'r':

            Gbl_NoResourceChecking = TRUE;
            break;

        default:

            printf ("Unknown option: -c%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'd':   /* Disassembler */

        switch (AcpiGbl_Optarg[0])
        {
        case '^':

            Gbl_DoCompile = FALSE;
            break;

        case 'a':

            Gbl_DoCompile = FALSE;
            Gbl_DisassembleAll = TRUE;
            break;

        case 'b':   /* Do not convert buffers to resource descriptors */

            AcpiGbl_NoResourceDisassembly = TRUE;
            break;

        case 'c':

            break;

        case 'f':

            AcpiGbl_ForceAmlDisassembly = TRUE;
            break;

        case 'l':   /* Use legacy ASL code (not ASL+) for disassembly */

            Gbl_DoCompile = FALSE;
            AcpiGbl_CstyleDisassembly = FALSE;
            break;

        default:

            printf ("Unknown option: -d%s\n", AcpiGbl_Optarg);
            return (-1);
        }

        Gbl_DisasmFlag = TRUE;
        break;

    case 'D':   /* Define a symbol */

        PrAddDefine (AcpiGbl_Optarg, NULL, TRUE);
        break;

    case 'e':   /* External files for disassembler */

        /* Get entire list of external files */

        AcpiGbl_Optind--;
        argv[AcpiGbl_Optind] = AcpiGbl_Optarg;

        while (argv[AcpiGbl_Optind] &&
              (argv[AcpiGbl_Optind][0] != '-'))
        {
            Status = AcpiDmAddToExternalFileList (argv[AcpiGbl_Optind]);
            if (ACPI_FAILURE (Status))
            {
                printf ("Could not add %s to external list\n",
                    argv[AcpiGbl_Optind]);
                return (-1);
            }

            AcpiGbl_Optind++;
        }
        break;

    case 'f':

        switch (AcpiGbl_Optarg[0])
        {
        case '^':   /* Ignore errors and force creation of aml file */

            Gbl_IgnoreErrors = TRUE;
            break;

        case 'e':   /* Disassembler: Get external declaration file */

            if (AcpiGetoptArgument (argc, argv))
            {
                return (-1);
            }

            Gbl_ExternalRefFilename = AcpiGbl_Optarg;
            break;

        default:

            printf ("Unknown option: -f%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'G':

        Gbl_CompileGeneric = TRUE;
        break;

    case 'g':   /* Get all ACPI tables */

        printf ("-g option is deprecated, use acpidump utility instead\n");
        exit (1);

    case 'h':

        switch (AcpiGbl_Optarg[0])
        {
        case '^':

            Usage ();
            exit (0);

        case 'c':

            UtDisplayConstantOpcodes ();
            exit (0);

        case 'f':

            AslFilenameHelp ();
            exit (0);

        case 'r':

            /* reserved names */

            ApDisplayReservedNames ();
            exit (0);

        case 't':

            UtDisplaySupportedTables ();
            exit (0);

        default:

            printf ("Unknown option: -h%s\n", AcpiGbl_Optarg);
            return (-1);
        }

    case 'I':   /* Add an include file search directory */

        FlAddIncludeDirectory (AcpiGbl_Optarg);
        break;

    case 'i':   /* Output AML as an include file */

        switch (AcpiGbl_Optarg[0])
        {
        case 'a':

            /* Produce assembly code include file */

            Gbl_AsmIncludeOutputFlag = TRUE;
            break;

        case 'c':

            /* Produce C include file */

            Gbl_C_IncludeOutputFlag = TRUE;
            break;

        case 'n':

            /* Compiler/Disassembler: Ignore the NOOP operator */

            AcpiGbl_IgnoreNoopOperator = TRUE;
            break;

        default:

            printf ("Unknown option: -i%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'l':   /* Listing files */

        switch (AcpiGbl_Optarg[0])
        {
        case '^':

            /* Produce listing file (Mixed source/aml) */

            Gbl_ListingFlag = TRUE;
            AcpiGbl_DmOpt_Listing = TRUE;
            break;

        case 'i':

            /* Produce preprocessor output file */

            Gbl_PreprocessorOutputFlag = TRUE;
            break;

        case 'm':

            /* Produce hardware map summary file */

            Gbl_MapfileFlag = TRUE;
            break;

        case 'n':

            /* Produce namespace file */

            Gbl_NsOutputFlag = TRUE;
            break;

        case 's':

            /* Produce combined source file */

            Gbl_SourceOutputFlag = TRUE;
            break;

        case 'x':

            /* Produce cross-reference file */

            Gbl_CrossReferenceOutput = TRUE;
            break;

        default:

            printf ("Unknown option: -l%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'm':   /* Set line buffer size */

        Gbl_LineBufferSize = (UINT32) strtoul (AcpiGbl_Optarg, NULL, 0) * 1024;
        if (Gbl_LineBufferSize < ASL_DEFAULT_LINE_BUFFER_SIZE)
        {
            Gbl_LineBufferSize = ASL_DEFAULT_LINE_BUFFER_SIZE;
        }
        printf ("Line Buffer Size: %u\n", Gbl_LineBufferSize);
        break;

    case 'n':   /* Parse only */

        Gbl_ParseOnlyFlag = TRUE;
        break;

    case 'o':   /* Control compiler AML optimizations */

        switch (AcpiGbl_Optarg[0])
        {
        case 'a':

            /* Disable all optimizations */

            Gbl_FoldConstants = FALSE;
            Gbl_IntegerOptimizationFlag = FALSE;
            Gbl_ReferenceOptimizationFlag = FALSE;
            break;

        case 'c':

            /* Display compile time(s) */

            Gbl_CompileTimesFlag = TRUE;
            break;

        case 'e':

            /* Disable External opcode generation */

            Gbl_DoExternals = FALSE;
            break;

        case 'f':

            /* Disable folding on "normal" expressions */

            Gbl_FoldConstants = FALSE;
            break;

        case 'i':

            /* Disable integer optimization to constants */

            Gbl_IntegerOptimizationFlag = FALSE;
            break;

        case 'n':

            /* Disable named reference optimization */

            Gbl_ReferenceOptimizationFlag = FALSE;
            break;

        case 't':

            /* Disable heavy typechecking */

            Gbl_DoTypechecking = FALSE;
            break;

        default:

            printf ("Unknown option: -c%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'P':   /* Preprocessor options */

        switch (AcpiGbl_Optarg[0])
        {
        case '^':   /* Proprocess only, emit (.i) file */

            Gbl_PreprocessOnly = TRUE;
            Gbl_PreprocessorOutputFlag = TRUE;
            break;

        case 'n':   /* Disable preprocessor */

            Gbl_PreprocessFlag = FALSE;
            break;

        default:

            printf ("Unknown option: -P%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'p':   /* Override default AML output filename */

        Gbl_OutputFilenamePrefix = AcpiGbl_Optarg;
        UtConvertBackslashes (Gbl_OutputFilenamePrefix);
        Gbl_UseDefaultAmlFilename = FALSE;
        break;

    case 'r':   /* Override revision found in table header */

        Gbl_RevisionOverride = (UINT8) strtoul (AcpiGbl_Optarg, NULL, 0);
        break;

    case 's':   /* Create AML in a source code file */

        switch (AcpiGbl_Optarg[0])
        {
        case 'a':

            /* Produce assembly code output file */

            Gbl_AsmOutputFlag = TRUE;
            break;

        case 'c':

            /* Produce C hex output file */

            Gbl_C_OutputFlag = TRUE;
            break;

        case 'o':

            /* Produce AML offset table in C */

            Gbl_C_OffsetTableFlag = TRUE;
            break;

        default:

            printf ("Unknown option: -s%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 't':   /* Produce hex table output file */

        switch (AcpiGbl_Optarg[0])
        {
        case 'a':

            Gbl_HexOutputFlag = HEX_OUTPUT_ASM;
            break;

        case 'c':

            Gbl_HexOutputFlag = HEX_OUTPUT_C;
            break;

        case 's':

            Gbl_HexOutputFlag = HEX_OUTPUT_ASL;
            break;

        default:

            printf ("Unknown option: -t%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'T':   /* Create a ACPI table template file */

        Gbl_DoTemplates = TRUE;
        break;

    case 'v':   /* Version and verbosity settings */

        switch (AcpiGbl_Optarg[0])
        {
        case '^':

            printf (ACPI_COMMON_SIGNON (ASL_COMPILER_NAME));
            exit (0);

        case 'a':

            /* Disable all error/warning/remark messages */

            Gbl_NoErrors = TRUE;
            break;

        case 'e':

            /* Disable all warning/remark messages (errors only) */

            Gbl_DisplayRemarks = FALSE;
            Gbl_DisplayWarnings = FALSE;
            break;

        case 'i':
            /*
             * Support for integrated development environment(s).
             *
             * 1) No compiler signon
             * 2) Send stderr messages to stdout
             * 3) Less verbose error messages (single line only for each)
             * 4) Error/warning messages are formatted appropriately to
             *    be recognized by MS Visual Studio
             */
            Gbl_VerboseErrors = FALSE;
            Gbl_DoSignon = FALSE;
            Gbl_Files[ASL_FILE_STDERR].Handle = stdout;
            break;

        case 'o':

            Gbl_DisplayOptimizations = TRUE;
            break;

        case 'r':

            Gbl_DisplayRemarks = FALSE;
            break;

        case 's':

            Gbl_DoSignon = FALSE;
            break;

        case 't':

            Gbl_VerboseTemplates = TRUE;
            break;

        case 'w':

            /* Get the required argument */

            if (AcpiGetoptArgument (argc, argv))
            {
                return (-1);
            }

            Status = AslDisableException (AcpiGbl_Optarg);
            if (ACPI_FAILURE (Status))
            {
                return (-1);
            }
            break;

        default:

            printf ("Unknown option: -v%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'w': /* Set warning levels */

        switch (AcpiGbl_Optarg[0])
        {
        case '1':

            Gbl_WarningLevel = ASL_WARNING;
            break;

        case '2':

            Gbl_WarningLevel = ASL_WARNING2;
            break;

        case '3':

            Gbl_WarningLevel = ASL_WARNING3;
            break;

        case 'e':

            Gbl_WarningsAsErrors = TRUE;
            break;

        default:

            printf ("Unknown option: -w%s\n", AcpiGbl_Optarg);
            return (-1);
        }
        break;

    case 'x':   /* Set debug print output level */

        AcpiDbgLevel = strtoul (AcpiGbl_Optarg, NULL, 16);
        break;

    case 'z':

        Gbl_UseOriginalCompilerId = TRUE;
        break;

    default:

        return (-1);
    }

    return (0);
}
Esempio n. 2
0
static void
PrDoDirective (
    char                    *DirectiveToken,
    char                    **Next)
{
    char                    *Token = Gbl_MainTokenBuffer;
    char                    *Token2 = NULL;
    char                    *End;
    UINT64                  Value;
    ACPI_SIZE               TokenOffset;
    int                     Directive;
    ACPI_STATUS             Status;


    if (!DirectiveToken)
    {
        goto SyntaxError;
    }

    Directive = PrMatchDirective (DirectiveToken);
    if (Directive == ASL_DIRECTIVE_NOT_FOUND)
    {
        PrError (ASL_ERROR, ASL_MSG_UNKNOWN_DIRECTIVE,
            THIS_TOKEN_OFFSET (DirectiveToken));

        DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
            "#%s: Unknown directive\n",
            Gbl_CurrentLineNumber, DirectiveToken);
        return;
    }

    /*
     * Emit a line directive into the preprocessor file (.pre) after
     * every matched directive. This is passed through to the compiler
     * so that error/warning messages are kept in sync with the
     * original source file.
     */
    FlPrintFile (ASL_FILE_PREPROCESSOR, "#line %u \"%s\" // #%s\n",
        Gbl_CurrentLineNumber, Gbl_Files[ASL_FILE_INPUT].Filename,
        Gbl_DirectiveInfo[Directive].Name);

    /*
     * If we are currently ignoring this block and we encounter a #else or
     * #elif, we must ignore their blocks also if the parent block is also
     * being ignored.
     */
    if (Gbl_IgnoringThisCodeBlock)
    {
        switch (Directive)
        {
        case PR_DIRECTIVE_ELSE:
        case PR_DIRECTIVE_ELIF:

            if (Gbl_DirectiveStack &&
                Gbl_DirectiveStack->IgnoringThisCodeBlock)
            {
                PrDbgPrint ("Ignoring", Gbl_DirectiveInfo[Directive].Name);
                return;
            }
            break;

        default:
            break;
        }
    }

    /*
     * Need to always check for #else, #elif, #endif regardless of
     * whether we are ignoring the current code block, since these
     * are conditional code block terminators.
     */
    switch (Directive)
    {
    case PR_DIRECTIVE_ELSE:

        Gbl_IgnoringThisCodeBlock = !(Gbl_IgnoringThisCodeBlock);
        PrDbgPrint ("Executing", "else block");
        return;

    case PR_DIRECTIVE_ELIF:

        Gbl_IgnoringThisCodeBlock = !(Gbl_IgnoringThisCodeBlock);
        Directive = PR_DIRECTIVE_IF;

        if (Gbl_IgnoringThisCodeBlock == TRUE)
        {
            /* Not executing the ELSE part -- all done here */
            PrDbgPrint ("Ignoring", "elif block");
            return;
        }

        /*
         * After this, we will execute the IF part further below.
         * First, however, pop off the original #if directive.
         */
        if (ACPI_FAILURE (PrPopDirective ()))
        {
            PrError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL,
                THIS_TOKEN_OFFSET (DirectiveToken));
        }

        PrDbgPrint ("Executing", "elif block");
        break;

    case PR_DIRECTIVE_ENDIF:

        PrDbgPrint ("Executing", "endif");

        /* Pop the owning #if/#ifdef/#ifndef */

        if (ACPI_FAILURE (PrPopDirective ()))
        {
            PrError (ASL_ERROR, ASL_MSG_ENDIF_MISMATCH,
                THIS_TOKEN_OFFSET (DirectiveToken));
        }
        return;

    default:
        break;
    }

    /* Most directives have at least one argument */

    if (Gbl_DirectiveInfo[Directive].ArgCount >= 1)
    {
        Token = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
        if (!Token)
        {
            goto SyntaxError;
        }
    }

    if (Gbl_DirectiveInfo[Directive].ArgCount >= 2)
    {
        Token2 = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
        if (!Token2)
        {
            goto SyntaxError;
        }
    }

    /*
     * At this point, if we are ignoring the current code block,
     * do not process any more directives (i.e., ignore them also.)
     * For "if" style directives, open/push a new block anyway. We
     * must do this to keep track of #endif directives
     */
    if (Gbl_IgnoringThisCodeBlock)
    {
        switch (Directive)
        {
        case PR_DIRECTIVE_IF:
        case PR_DIRECTIVE_IFDEF:
        case PR_DIRECTIVE_IFNDEF:

            PrPushDirective (Directive, Token);
            PrDbgPrint ("Ignoring", Gbl_DirectiveInfo[Directive].Name);
            break;

        default:
            break;
        }

        return;
    }

    /*
     * Execute the directive
     */
    PrDbgPrint ("Begin execution", Gbl_DirectiveInfo[Directive].Name);

    switch (Directive)
    {
    case PR_DIRECTIVE_IF:

        TokenOffset = Token - Gbl_MainTokenBuffer;

        /* Need to expand #define macros in the expression string first */

        Status = PrResolveIntegerExpression (
            &Gbl_CurrentLineBuffer[TokenOffset-1], &Value);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        PrPushDirective (Directive, Token);
        if (!Value)
        {
            Gbl_IgnoringThisCodeBlock = TRUE;
        }

        DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
            "Resolved #if: %8.8X%8.8X %s\n",
            Gbl_CurrentLineNumber, ACPI_FORMAT_UINT64 (Value),
            Gbl_IgnoringThisCodeBlock ? "<Skipping Block>" : "<Executing Block>");
        break;

    case PR_DIRECTIVE_IFDEF:

        PrPushDirective (Directive, Token);
        if (!PrMatchDefine (Token))
        {
            Gbl_IgnoringThisCodeBlock = TRUE;
        }

        PrDbgPrint ("Evaluated", "ifdef");
        break;

    case PR_DIRECTIVE_IFNDEF:

        PrPushDirective (Directive, Token);
        if (PrMatchDefine (Token))
        {
            Gbl_IgnoringThisCodeBlock = TRUE;
        }

        PrDbgPrint ("Evaluated", "ifndef");
        break;

    case PR_DIRECTIVE_DEFINE:
        /*
         * By definition, if first char after the name is a paren,
         * this is a function macro.
         */
        TokenOffset = Token - Gbl_MainTokenBuffer + strlen (Token);
        if (*(&Gbl_CurrentLineBuffer[TokenOffset]) == '(')
        {
#ifndef MACROS_SUPPORTED
            AcpiOsPrintf (
                "%s ERROR - line %u: #define macros are not supported yet\n",
                Gbl_CurrentLineBuffer, Gbl_LogicalLineNumber);
            exit(1);
#else
            PrAddMacro (Token, Next);
#endif
        }
        else
        {
            /* Use the remainder of the line for the #define */

            Token2 = *Next;
            if (Token2)
            {
                while ((*Token2 == ' ') || (*Token2 == '\t'))
                {
                    Token2++;
                }

                End = Token2;
                while (*End != '\n')
                {
                    End++;
                }

                *End = 0;
            }
            else
            {
                Token2 = "";
            }
#if 0
            Token2 = PrGetNextToken (NULL, "\n", /*PR_TOKEN_SEPARATORS,*/ Next);
            if (!Token2)
            {
                Token2 = "";
            }
#endif
            DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
                "New #define: %s->%s\n",
                Gbl_LogicalLineNumber, Token, Token2);

            PrAddDefine (Token, Token2, FALSE);
        }
        break;

    case PR_DIRECTIVE_ERROR:

        /* Note: No macro expansion */

        PrError (ASL_ERROR, ASL_MSG_ERROR_DIRECTIVE,
            THIS_TOKEN_OFFSET (Token));

        Gbl_SourceLine = 0;
        Gbl_NextError = Gbl_ErrorLog;
        CmCleanupAndExit ();
        exit(1);

    case PR_DIRECTIVE_INCLUDE:

        Token = PrGetNextToken (NULL, " \"<>", Next);
        if (!Token)
        {
            goto SyntaxError;
        }

        DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
            "Start #include file \"%s\"\n", Gbl_CurrentLineNumber,
            Token, Gbl_CurrentLineNumber);

        PrDoIncludeFile (Token);
        break;

    case PR_DIRECTIVE_INCLUDEBUFFER:

        Token = PrGetNextToken (NULL, " \"<>", Next);
        if (!Token)
        {
            goto SyntaxError;
        }

        Token2 = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
        if (!Token2)
        {
            goto SyntaxError;
        }

        DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
            "Start #includebuffer input from file \"%s\", buffer name %s\n",
            Gbl_CurrentLineNumber, Token, Token2);

        PrDoIncludeBuffer (Token, Token2);
        break;

    case PR_DIRECTIVE_LINE:

        TokenOffset = Token - Gbl_MainTokenBuffer;

        Status = PrResolveIntegerExpression (
            &Gbl_CurrentLineBuffer[TokenOffset-1], &Value);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
            "User #line invocation %s\n", Gbl_CurrentLineNumber,
            Token);

        Gbl_CurrentLineNumber = (UINT32) Value;

        /* Emit #line into the preprocessor file */

        FlPrintFile (ASL_FILE_PREPROCESSOR, "#line %u \"%s\"\n",
            Gbl_CurrentLineNumber, Gbl_Files[ASL_FILE_INPUT].Filename);
        break;

    case PR_DIRECTIVE_PRAGMA:

        if (!strcmp (Token, "disable"))
        {
            Token = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
            if (!Token)
            {
                goto SyntaxError;
            }

            TokenOffset = Token - Gbl_MainTokenBuffer;
            AslDisableException (&Gbl_CurrentLineBuffer[TokenOffset]);
        }
        else if (!strcmp (Token, "message"))
        {
            Token = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
            if (!Token)
            {
                goto SyntaxError;
            }

            TokenOffset = Token - Gbl_MainTokenBuffer;
            AcpiOsPrintf ("%s\n", &Gbl_CurrentLineBuffer[TokenOffset]);
        }
        else
        {
            PrError (ASL_ERROR, ASL_MSG_UNKNOWN_PRAGMA,
                THIS_TOKEN_OFFSET (Token));
            return;
        }

        break;

    case PR_DIRECTIVE_UNDEF:

        DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
            "#undef: %s\n", Gbl_CurrentLineNumber, Token);

        PrRemoveDefine (Token);
        break;

    case PR_DIRECTIVE_WARNING:

        PrError (ASL_WARNING, ASL_MSG_WARNING_DIRECTIVE,
            THIS_TOKEN_OFFSET (Token));

        Gbl_SourceLine = 0;
        Gbl_NextError = Gbl_ErrorLog;
        break;

    default:

        /* Should never get here */
        DbgPrint (ASL_PARSE_OUTPUT, PR_PREFIX_ID
            "Unrecognized directive: %u\n",
            Gbl_CurrentLineNumber, Directive);
        break;
    }

    return;

SyntaxError:

    PrError (ASL_ERROR, ASL_MSG_DIRECTIVE_SYNTAX,
        THIS_TOKEN_OFFSET (DirectiveToken));
    return;
}
Esempio n. 3
0
static void
PrDoDirective (
    char                    *DirectiveToken,
    char                    **Next,
    BOOLEAN                 *IgnoringThisCodeBlock)
{
    char                    *Token = Gbl_MainTokenBuffer;
    char                    *Token2;
    char                    *End;
    UINT64                  Value;
    ACPI_SIZE               TokenOffset;
    int                     Directive;
    ACPI_STATUS             Status;


    if (!DirectiveToken)
    {
        goto SyntaxError;
    }

    Directive = PrMatchDirective (DirectiveToken);
    if (Directive == ASL_DIRECTIVE_NOT_FOUND)
    {
        PrError (ASL_ERROR, ASL_MSG_UNKNOWN_DIRECTIVE,
            THIS_TOKEN_OFFSET (DirectiveToken));

        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "#%s: Unknown directive\n",
            Gbl_CurrentLineNumber, DirectiveToken);
        return;
    }

    /* TBD: Need a faster way to do this: */

    if ((Directive == PR_DIRECTIVE_ELIF) ||
        (Directive == PR_DIRECTIVE_ELSE) ||
        (Directive == PR_DIRECTIVE_ENDIF))
    {
        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID "Begin #%s\n",
            Gbl_CurrentLineNumber, Gbl_DirectiveInfo[Directive].Name);
    }

    /*
     * Need to always check for #else, #elif, #endif regardless of
     * whether we are ignoring the current code block, since these
     * are conditional code block terminators.
     */
    switch (Directive)
    {
    case PR_DIRECTIVE_ELIF:

        *IgnoringThisCodeBlock = !(*IgnoringThisCodeBlock);
        if (*IgnoringThisCodeBlock == TRUE)
        {
            /* Not executing the ELSE part -- all done here */
            return;
        }

        /* Will execute the ELSE..IF part */

        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "#elif - Executing else block\n",
            Gbl_CurrentLineNumber);
        Directive = PR_DIRECTIVE_IF;
        break;

    case PR_DIRECTIVE_ELSE:

        *IgnoringThisCodeBlock = !(*IgnoringThisCodeBlock);
        return;

    case PR_DIRECTIVE_ENDIF:

        *IgnoringThisCodeBlock = FALSE;
        Gbl_IfDepth--;
        if (Gbl_IfDepth < 0)
        {
            PrError (ASL_ERROR, ASL_MSG_ENDIF_MISMATCH,
                THIS_TOKEN_OFFSET (DirectiveToken));
            Gbl_IfDepth = 0;
        }
        return;

    default:

        break;
    }

    /*
     * At this point, if we are ignoring the current code block,
     * do not process any more directives (i.e., ignore them also.)
     */
    if (*IgnoringThisCodeBlock == TRUE)
    {
        return;
    }

    DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID "Begin #%s\n",
        Gbl_CurrentLineNumber, Gbl_DirectiveInfo[Directive].Name);

    /* Most directives have at least one argument */

    if (Gbl_DirectiveInfo[Directive].ArgCount == 1)
    {
        Token = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
        if (!Token)
        {
            goto SyntaxError;
        }
    }

    switch (Directive)
    {
    case PR_DIRECTIVE_DEFINE:
        /*
         * By definition, if first char after the name is a paren,
         * this is a function macro.
         */
        TokenOffset = Token - Gbl_MainTokenBuffer + strlen (Token);
        if (*(&Gbl_CurrentLineBuffer[TokenOffset]) == '(')
        {
#ifndef MACROS_SUPPORTED
            AcpiOsPrintf ("%s ERROR - line %u: #define macros are not supported yet\n",
                Gbl_CurrentLineBuffer, Gbl_CurrentLineNumber);
            exit(1);
#else
            PrAddMacro (Token, Next);
#endif
        }
        else
        {
            /* Use the remainder of the line for the #define */

            Token2 = *Next;
            if (Token2)
            {
                while ((*Token2 == ' ') || (*Token2 == '\t'))
                {
                    Token2++;
                }
                End = Token2;
                while (*End != '\n')
                {
                    End++;
                }
                *End = 0;
            }
            else
            {
                Token2 = "";
            }
#if 0
            Token2 = PrGetNextToken (NULL, "\n", /*PR_TOKEN_SEPARATORS,*/ Next);
            if (!Token2)
            {
                Token2 = "";
            }
#endif
            DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
                "New #define: %s->%s\n",
                Gbl_CurrentLineNumber, Token, Token2);

            PrAddDefine (Token, Token2, FALSE);
        }
        break;

    case PR_DIRECTIVE_ERROR:

        /* TBD compiler should abort */
        /* Note: No macro expansion */

        PrError (ASL_ERROR, ASL_MSG_ERROR_DIRECTIVE,
            THIS_TOKEN_OFFSET (Token));
        break;

    case PR_DIRECTIVE_IF:

        TokenOffset = Token - Gbl_MainTokenBuffer;

        /* Need to expand #define macros in the expression string first */

        Status = PrResolveIntegerExpression (
            &Gbl_CurrentLineBuffer[TokenOffset-1], &Value);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        if (!Value)
        {
            *IgnoringThisCodeBlock = TRUE;
        }

        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "Resolved #if: %8.8X%8.8X %s\n",
            Gbl_CurrentLineNumber, ACPI_FORMAT_UINT64 (Value),
            *IgnoringThisCodeBlock ? "<Skipping Block>" : "<Executing Block>");

        Gbl_IfDepth++;
        break;

    case PR_DIRECTIVE_IFDEF:

        if (!PrMatchDefine (Token))
        {
            *IgnoringThisCodeBlock = TRUE;
        }

        Gbl_IfDepth++;
        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "Start #ifdef %s\n", Gbl_CurrentLineNumber,
            *IgnoringThisCodeBlock ? "<Skipping Block>" : "<Executing Block>");
        break;

    case PR_DIRECTIVE_IFNDEF:

        if (PrMatchDefine (Token))
        {
            *IgnoringThisCodeBlock = TRUE;
        }

        Gbl_IfDepth++;
        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "Start #ifndef %2.2X\n", Gbl_CurrentLineNumber,
            *IgnoringThisCodeBlock, Gbl_CurrentLineNumber);
        break;

    case PR_DIRECTIVE_INCLUDE:

        Token = PrGetNextToken (NULL, " \"<>", Next);
        if (!Token)
        {
            goto SyntaxError;
        }

        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "Start #include file \"%s\"\n", Gbl_CurrentLineNumber,
            Token, Gbl_CurrentLineNumber);

        PrOpenIncludeFile (Token);
        break;

    case PR_DIRECTIVE_LINE:

        TokenOffset = Token - Gbl_MainTokenBuffer;

        Status = PrResolveIntegerExpression (
            &Gbl_CurrentLineBuffer[TokenOffset-1], &Value);
        if (ACPI_FAILURE (Status))
        {
            return;
        }

        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "User #line invocation %s\n", Gbl_CurrentLineNumber,
            Token);

        /* Update local line numbers */

        Gbl_CurrentLineNumber = (UINT32) Value;
        Gbl_PreviousLineNumber = 0;

        /* Emit #line into the preprocessor file */

        FlPrintFile (ASL_FILE_PREPROCESSOR, "#line %u \"%s\"\n",
            Gbl_CurrentLineNumber, Gbl_Files[ASL_FILE_INPUT].Filename);
        break;

    case PR_DIRECTIVE_PRAGMA:

        if (!strcmp (Token, "disable"))
        {
            Token = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
            if (!Token)
            {
                goto SyntaxError;
            }

            TokenOffset = Token - Gbl_MainTokenBuffer;
            AslDisableException (&Gbl_CurrentLineBuffer[TokenOffset]);
        }
        else if (!strcmp (Token, "message"))
        {
            Token = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
            if (!Token)
            {
                goto SyntaxError;
            }

            TokenOffset = Token - Gbl_MainTokenBuffer;
            AcpiOsPrintf ("%s\n", &Gbl_CurrentLineBuffer[TokenOffset]);
        }
        else
        {
            PrError (ASL_ERROR, ASL_MSG_UNKNOWN_PRAGMA,
                THIS_TOKEN_OFFSET (Token));
            return;
        }

        break;

    case PR_DIRECTIVE_UNDEF:

        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "#undef: %s\n", Gbl_CurrentLineNumber, Token);

        PrRemoveDefine (Token);
        break;

    case PR_DIRECTIVE_WARNING:

        PrError (ASL_WARNING, ASL_MSG_ERROR_DIRECTIVE,
            THIS_TOKEN_OFFSET (Token));
        break;

    default:

        /* Should never get here */
        DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
            "Unrecognized directive: %u\n",
            Gbl_CurrentLineNumber, Directive);
        break;
    }

    return;


SyntaxError:

    PrError (ASL_ERROR, ASL_MSG_DIRECTIVE_SYNTAX,
        THIS_TOKEN_OFFSET (DirectiveToken));
    return;
}