289 lines
7.6 KiB
C
289 lines
7.6 KiB
C
/******************************************************************************
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*
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* Module Name: preprocess.h - header for iASL Preprocessor
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2013, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#define __PREPROCESS_H__
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#ifndef _PREPROCESS
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#define _PREPROCESS
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#undef PR_EXTERN
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#ifdef _DECLARE_PR_GLOBALS
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#define PR_EXTERN
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#define PR_INIT_GLOBAL(a,b) (a)=(b)
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#else
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#define PR_EXTERN extern
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#define PR_INIT_GLOBAL(a,b) (a)
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#endif
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/*
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* Configuration
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*/
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#define PR_MAX_MACRO_ARGS 32 /* Max number of macro args */
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#define PR_MAX_ARG_INSTANCES 24 /* Max instances of any one arg */
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#define PR_LINES_PER_BLOCK 4096 /* Max input source lines per block */
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/*
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* Local defines and macros
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*/
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#define PR_TOKEN_SEPARATORS " ,(){}\t\n"
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#define PR_MACRO_SEPARATORS " ,(){}~!*/%+-<>=&^|\"\t\n"
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#define PR_MACRO_ARGUMENTS " ,\t\n"
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#define PR_EXPR_SEPARATORS " ,(){}~!*/%+-<>=&^|\"\t\n"
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#define PR_PREFIX_ID "Pr(%.4u) - " /* Used for debug output */
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#define THIS_TOKEN_OFFSET(t) ((t-Gbl_MainTokenBuffer) + 1)
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/*
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* Preprocessor structures
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*/
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typedef struct pr_macro_arg
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{
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char *Name;
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UINT32 Offset[PR_MAX_ARG_INSTANCES];
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UINT16 UseCount;
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} PR_MACRO_ARG;
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typedef struct pr_define_info
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{
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struct pr_define_info *Previous;
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struct pr_define_info *Next;
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char *Identifier;
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char *Replacement;
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char *Body; /* Macro body */
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PR_MACRO_ARG *Args; /* Macro arg list */
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UINT16 ArgCount; /* Macro arg count */
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BOOLEAN Persist; /* Keep for entire compiler run */
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} PR_DEFINE_INFO;
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typedef struct pr_directive_info
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{
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char *Name; /* Directive name */
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UINT8 ArgCount; /* Required # of args */
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} PR_DIRECTIVE_INFO;
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typedef struct pr_operator_info
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{
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char *Op;
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} PR_OPERATOR_INFO;
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typedef struct pr_file_node
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{
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struct pr_file_node *Next;
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FILE *File;
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char *Filename;
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UINT32 CurrentLineNumber;
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} PR_FILE_NODE;
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#define MAX_ARGUMENT_LENGTH 24
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typedef struct directive_info
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{
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struct directive_info *Next;
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char Argument[MAX_ARGUMENT_LENGTH];
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int Directive;
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BOOLEAN IgnoringThisCodeBlock;
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} DIRECTIVE_INFO;
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/*
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* Globals
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*/
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#if 0 /* TBD for macros */
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PR_EXTERN char PR_INIT_GLOBAL (*XXXEvalBuffer, NULL); /* [ASL_LINE_BUFFER_SIZE]; */
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#endif
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PR_EXTERN char PR_INIT_GLOBAL (*Gbl_MainTokenBuffer, NULL); /* [ASL_LINE_BUFFER_SIZE]; */
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PR_EXTERN char PR_INIT_GLOBAL (*Gbl_MacroTokenBuffer, NULL); /* [ASL_LINE_BUFFER_SIZE]; */
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PR_EXTERN char PR_INIT_GLOBAL (*Gbl_ExpressionTokenBuffer, NULL); /* [ASL_LINE_BUFFER_SIZE]; */
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PR_EXTERN UINT32 Gbl_PreprocessorLineNumber;
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PR_EXTERN int Gbl_IfDepth;
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PR_EXTERN PR_FILE_NODE *Gbl_InputFileList;
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PR_EXTERN PR_DEFINE_INFO PR_INIT_GLOBAL (*Gbl_DefineList, NULL);
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PR_EXTERN BOOLEAN PR_INIT_GLOBAL (Gbl_PreprocessorError, FALSE);
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PR_EXTERN BOOLEAN PR_INIT_GLOBAL (Gbl_IgnoringThisCodeBlock, FALSE);
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PR_EXTERN DIRECTIVE_INFO PR_INIT_GLOBAL (*Gbl_DirectiveStack, NULL);
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/*
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* prscan - Preprocessor entry
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*/
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void
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PrInitializePreprocessor (
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void);
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void
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PrInitializeGlobals (
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void);
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void
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PrTerminatePreprocessor (
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void);
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void
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PrDoPreprocess (
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void);
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UINT64
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PrIsDefined (
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char *Identifier);
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UINT64
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PrResolveDefine (
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char *Identifier);
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int
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PrInitLexer (
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char *String);
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void
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PrTerminateLexer (
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void);
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/*
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* prmacros - Support for #defines and macros
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*/
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void
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PrDumpPredefinedNames (
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void);
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PR_DEFINE_INFO *
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PrAddDefine (
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char *Token,
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char *Token2,
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BOOLEAN Persist);
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void
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PrRemoveDefine (
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char *DefineName);
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PR_DEFINE_INFO *
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PrMatchDefine (
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char *MatchString);
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void
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PrAddMacro (
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char *Name,
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char **Next);
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void
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PrDoMacroInvocation (
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char *TokenBuffer,
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char *MacroStart,
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PR_DEFINE_INFO *DefineInfo,
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char **Next);
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/*
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* prexpress - #if expression support
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*/
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ACPI_STATUS
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PrResolveIntegerExpression (
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char *Line,
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UINT64 *ReturnValue);
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char *
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PrPrioritizeExpression (
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char *OriginalLine);
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/*
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* prparser - lex/yacc expression parser
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*/
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UINT64
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PrEvaluateExpression (
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char *ExprString);
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/*
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* prutils - Preprocesor utilities
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*/
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char *
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PrGetNextToken (
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char *Buffer,
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char *MatchString,
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char **Next);
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void
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PrError (
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UINT8 Level,
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UINT8 MessageId,
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UINT32 Column);
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void
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PrReplaceData (
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char *Buffer,
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UINT32 LengthToRemove,
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char *BufferToAdd,
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UINT32 LengthToAdd);
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void
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PrOpenIncludeFile (
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char *Filename);
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FILE *
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PrOpenIncludeWithPrefix (
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char *PrefixDir,
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char *Filename);
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void
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PrPushInputFileStack (
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FILE *InputFile,
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char *Filename);
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BOOLEAN
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PrPopInputFileStack (
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void);
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#endif
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