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;
}
void
PrDoMacroInvocation (
char *TokenBuffer,
char *MacroStart,
PR_DEFINE_INFO *DefineInfo,
char **Next)
{
PR_MACRO_ARG *Args;
char *Token = NULL;
UINT32 TokenOffset;
UINT32 Length;
UINT32 i;
/* Take a copy of the macro body for expansion */
strcpy (Gbl_MacroTokenBuffer, DefineInfo->Body);
/* Replace each argument within the prototype body */
Args = DefineInfo->Args;
if (!Args->Name)
{
/* This macro has no arguments */
Token = PrGetNextToken (NULL, PR_MACRO_ARGUMENTS, Next);
if (!Token)
{
goto BadInvocation;
}
TokenOffset = (MacroStart - TokenBuffer);
Length = Token - MacroStart + strlen (Token) + 1;
PrReplaceData (
&Gbl_CurrentLineBuffer[TokenOffset], Length,
Gbl_MacroTokenBuffer, strlen (Gbl_MacroTokenBuffer));
return;
}
while (Args->Name)
{
/* Get the next argument from macro invocation */
Token = PrGetNextToken (NULL, PR_MACRO_SEPARATORS, Next);
if (!Token)
{
goto BadInvocation;
}
/* Replace all instances of this argument */
for (i = 0; i < Args->UseCount; i++)
{
/* Offset zero indicates "arg not used" */
/* TBD: Not really needed now, with UseCount available */
if (Args->Offset[i] == 0)
{
break;
}
PrReplaceData (
&Gbl_MacroTokenBuffer[Args->Offset[i]], strlen (Args->Name),
Token, strlen (Token));
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
"ExpandArg: %s \n",
Gbl_CurrentLineNumber, Gbl_MacroTokenBuffer);
}
Args++;
}
/* TBD: need to make sure macro was not invoked with too many arguments */
if (!Token)
{
return;
}
/* Replace the entire macro invocation with the expanded macro */
TokenOffset = (MacroStart - TokenBuffer);
Length = Token - MacroStart + strlen (Token) + 1;
PrReplaceData (
&Gbl_CurrentLineBuffer[TokenOffset], Length,
Gbl_MacroTokenBuffer, strlen (Gbl_MacroTokenBuffer));
return;
BadInvocation:
PrError (ASL_ERROR, ASL_MSG_INVALID_INVOCATION,
THIS_TOKEN_OFFSET (MacroStart));
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
"Bad macro invocation: %s \n",
Gbl_CurrentLineNumber, Gbl_MacroTokenBuffer);
return;
}
PR_DEFINE_INFO *
PrAddDefine (
char *Identifier,
char *Replacement,
BOOLEAN Persist)
{
char *IdentifierString;
char *ReplacementString;
PR_DEFINE_INFO *DefineInfo;
if (!Replacement)
{
Replacement = "";
}
/* Check for already-defined first */
DefineInfo = PrMatchDefine (Identifier);
if (DefineInfo)
{
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID,
"#define: name already exists: %s\n",
Gbl_CurrentLineNumber, Identifier);
/*
* Name already exists. This is only an error if the target name
* is different.
*/
if (strcmp (Replacement, DefineInfo->Replacement))
{
PrError (ASL_ERROR, ASL_MSG_EXISTING_NAME,
THIS_TOKEN_OFFSET (Identifier));
return (NULL);
}
return (DefineInfo);
}
/* Copy input strings */
IdentifierString = UtLocalCalloc (strlen (Identifier) + 1);
strcpy (IdentifierString, Identifier);
ReplacementString = UtLocalCalloc (strlen (Replacement) + 1);
strcpy (ReplacementString, Replacement);
/* Init and link new define info struct */
DefineInfo = UtLocalCalloc (sizeof (PR_DEFINE_INFO));
DefineInfo->Replacement = ReplacementString;
DefineInfo->Identifier = IdentifierString;
DefineInfo->Persist = Persist;
if (Gbl_DefineList)
{
Gbl_DefineList->Previous = DefineInfo;
}
DefineInfo->Next = Gbl_DefineList;
Gbl_DefineList = DefineInfo;
return (DefineInfo);
}
void
PrAddMacro (
char *Name,
char **Next)
{
char *Token = NULL;
ACPI_SIZE TokenOffset;
ACPI_SIZE MacroBodyOffset;
PR_DEFINE_INFO *DefineInfo;
PR_MACRO_ARG *Args;
char *Body;
char *BodyInSource;
UINT32 i;
UINT16 UseCount = 0;
UINT16 ArgCount = 0;
UINT32 Depth = 1;
UINT32 EndOfArgList;
char BufferChar;
/* Find the end of the arguments list */
TokenOffset = Name - Gbl_MainTokenBuffer + strlen (Name) + 1;
while (1)
{
BufferChar = Gbl_CurrentLineBuffer[TokenOffset];
if (BufferChar == '(')
{
Depth++;
}
else if (BufferChar == ')')
{
Depth--;
}
else if (BufferChar == 0)
{
PrError (ASL_ERROR, ASL_MSG_MACRO_SYNTAX, TokenOffset);
return;
}
if (Depth == 0)
{
/* Found arg list end */
EndOfArgList = TokenOffset;
break;
}
TokenOffset++;
}
/* At this point, we know that we have a reasonable argument list */
Args = UtLocalCalloc (sizeof (PR_MACRO_ARG) * PR_MAX_MACRO_ARGS);
/* Get the macro argument names */
for (i = 0; i < PR_MAX_MACRO_ARGS; i++)
{
Token = PrGetNextToken (NULL, PR_MACRO_SEPARATORS, Next);
if (!Token)
{
/* This is the case for a NULL macro body */
BodyInSource = "";
goto AddMacroToList;
}
/* Don't go beyond the argument list */
TokenOffset = Token - Gbl_MainTokenBuffer + strlen (Token);
if (TokenOffset > EndOfArgList)
{
break;
}
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
"Macro arg: %s \n",
Gbl_CurrentLineNumber, Token);
Args[i].Name = UtLocalCalloc (strlen (Token) + 1);
strcpy (Args[i].Name, Token);
Args[i].UseCount = 0;
ArgCount++;
if (ArgCount >= PR_MAX_MACRO_ARGS)
{
PrError (ASL_ERROR, ASL_MSG_TOO_MANY_ARGUMENTS, TokenOffset);
goto ErrorExit;
}
}
/* Get the macro body. Token now points to start of body */
MacroBodyOffset = Token - Gbl_MainTokenBuffer;
/* Match each method arg in the macro body for later use */
Token = PrGetNextToken (NULL, PR_MACRO_SEPARATORS, Next);
while (Token)
{
/* Search the macro arg list for matching arg */
for (i = 0; Args[i].Name && (i < PR_MAX_MACRO_ARGS); i++)
{
/*
* Save argument offset within macro body. This is the mechanism
* used to expand the macro upon invocation.
*
* Handles multiple instances of the same argument
*/
if (!strcmp (Token, Args[i].Name))
{
UseCount = Args[i].UseCount;
Args[i].Offset[UseCount] =
(Token - Gbl_MainTokenBuffer) - MacroBodyOffset;
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
"Macro Arg #%u: %s UseCount %u Offset %u \n",
Gbl_CurrentLineNumber, i, Token,
UseCount+1, Args[i].Offset[UseCount]);
Args[i].UseCount++;
if (Args[i].UseCount >= PR_MAX_ARG_INSTANCES)
{
PrError (ASL_ERROR, ASL_MSG_TOO_MANY_ARGUMENTS,
THIS_TOKEN_OFFSET (Token));
goto ErrorExit;
}
break;
}
}
Token = PrGetNextToken (NULL, PR_MACRO_SEPARATORS, Next);
}
BodyInSource = &Gbl_CurrentLineBuffer[MacroBodyOffset];
AddMacroToList:
/* Check if name is already defined first */
DefineInfo = PrMatchDefine (Name);
if (DefineInfo)
{
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
"#define: macro name already exists: %s\n",
Gbl_CurrentLineNumber, Name);
/* Error only if not exactly the same macro */
if (strcmp (DefineInfo->Body, BodyInSource) ||
(DefineInfo->ArgCount != ArgCount))
{
PrError (ASL_ERROR, ASL_MSG_EXISTING_NAME,
THIS_TOKEN_OFFSET (Name));
}
goto ErrorExit;
}
DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
"Macro body: %s \n",
Gbl_CurrentLineNumber, BodyInSource);
/* Add macro to the #define list */
DefineInfo = PrAddDefine (Name, BodyInSource, FALSE);
if (DefineInfo)
{
Body = UtLocalCalloc (strlen (BodyInSource) + 1);
strcpy (Body, BodyInSource);
DefineInfo->Body = Body;
DefineInfo->Args = Args;
DefineInfo->ArgCount = ArgCount;
}
return;
ErrorExit:
ACPI_FREE (Args);
return;
}
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:
/* Only "#pragma message" supported at this time */
if (strcmp (Token, "message"))
{
PrError (ASL_ERROR, ASL_MSG_UNKNOWN_PRAGMA,
THIS_TOKEN_OFFSET (Token));
return;
}
Token = PrGetNextToken (NULL, PR_TOKEN_SEPARATORS, Next);
if (!Token)
{
goto SyntaxError;
}
TokenOffset = Token - Gbl_MainTokenBuffer;
AcpiOsPrintf ("%s\n", &Gbl_CurrentLineBuffer[TokenOffset]);
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;
}
