aslprintf.c revision 199767f8919635c4928607450d9e0abb932109ce
/******************************************************************************
*
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2015, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include "aslcompiler.y.h"
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslprintf")
/* Local prototypes */
static void
static void
/*******************************************************************************
*
* FUNCTION: OpcDoPrintf
*
* PARAMETERS: Op - printf parse node
*
* RETURN: None
*
* DESCRIPTION: Convert printf macro to a Store(..., Debug) AML operation.
*
******************************************************************************/
void
{
/* Store destination is the Debug op */
}
/*******************************************************************************
*
* FUNCTION: OpcDoFprintf
*
* PARAMETERS: Op - fprintf parse node
*
* RETURN: None
*
* DESCRIPTION: Convert fprintf macro to a Store AML operation.
*
******************************************************************************/
void
{
/* Store destination is the first argument of fprintf */
}
/*******************************************************************************
*
* FUNCTION: OpcParsePrintf
*
* PARAMETERS: Op - Printf parse node
* DestOp - Destination of Store operation
*
* RETURN: None
*
* DESCRIPTION: Convert printf macro to a Store AML operation. The printf
* macro parse tree is layed out as follows:
*
* Op - printf parse op
* Op->Child - Format string
* Op->Next - Format string arguments
*
******************************************************************************/
static void
{
char *Format;
char *StartPosition = NULL;
UINT32 StringLength = 0;
char *NewString;
/* Get format string */
/*
* Detach argument list so that we can use a NULL check to distinguish
* the first concatenation operation we need to make
*/
{
if (*Format != '%')
{
if (!StringToProcess)
{
/* Mark the beginning of a string */
}
++StringLength;
continue;
}
/* Save string, if any, to new string object and concat it */
if (StringToProcess)
{
StringLength = 0;
}
++Format;
/*
* We have a format parameter and will need an argument to go
* with it
*/
if (!ArgNode ||
{
return;
}
/*
* We do not support sub-specifiers of printf (flags, width,
* precision, length). For specifiers we only support %x/%X for
* hex or %s for strings. Also, %o for generic "acpi object".
*/
switch (*Format)
{
case 's':
{
"String required");
return;
}
continue;
case 'X':
case 'x':
case 'o':
/*
* Append an empty string if the first argument is
* not a string. This will implicitly conver the 2nd
* concat source to a string per the ACPI specification.
*/
{
}
break;
default:
"Unrecognized format specifier");
continue;
}
}
/* Process any remaining string */
if (StringToProcess)
{
}
/*
* If we get here and there's no child node then Format
* was an empty string. Just make a no op.
*/
{
"Converted to NOOP");
return;
}
/* Check for erroneous extra arguments */
if (ArgNode &&
{
"Extra arguments ignored");
}
/* Change Op to a Store */
/* Disable further optimization */
/* Set Store destination */
}
/*******************************************************************************
*
* FUNCTION: OpcCreateConcatenateNode
*
* PARAMETERS: Op - Parse node
* Node - Parse node to be concatenated
*
* RETURN: None
*
* DESCRIPTION: Make Node the child of Op. If child node already exists, then
* concat child with Node and makes concat node the child of Op.
*
******************************************************************************/
static void
{
{
return;
}
/* First arg is child of Op*/
/* Second arg is Node */
/* Third arg is Zero (not used) */
}