182 lines
6.4 KiB
C++
182 lines
6.4 KiB
C++
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// globals.c - global variables/needed across modules
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//
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// Copyright (c) 1988-1990, Microsoft Corporation. All rights reserved.
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//
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// Purpose:
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// This is the routine in which global variables reside.
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//
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// HackAlert:
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// The functionality explained in the Notes below work only because of the way
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// Microsoft Compiler's upto C6.0A allocate initialized data ... in the order
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// in which it is specified. All variables between startOfSave and endOfSave
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// have to be initialized. According to ChuckG this functionality is not
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// guaranteed in C7.0 and so these should be moved to a struct.
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//
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// Notes:
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// This module was created for an interesting reason. NMAKE handles recursive
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// calls by saving its global variables somewhere in memory. It handles this by
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// allocating all global variables which have value changes in each recursive
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// in adjacent memory. The routine called recursively is doMake() and before it
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// is called the address of this chunk of memory is stored. When the recursive
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// call returns the memory is restored using the stored address. startOfSave and
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// endOfSave give the location of this chunk. The reason this method was opted
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// for is that spawning of NMAKE would consume a lot of memory under DOS. This
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// might not be very efficient under OS/2 because the code gets shared.
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//
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// Revision History:
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// 15-Nov-1993 JR Major speed improvements
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// 04-Apr-1990 SB Add fHeapChk
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// 01-Dec-1989 SB Made some variables near and pushed some into saveArea
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// 19-Oct-1989 SB variable fOptionK added (ifdef SLASHK)
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// 02-Oct-1989 SB add dynamic inline file handling support
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// 18-May-1989 SB Support of H and NOLOGO in MAKEFLAGS
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// 24-Apr-1989 SB Added ext_size, filename_size, filenameext_size &
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// resultbuf_size for OS/2 1.2 support
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// 05-Apr-1989 SB made revList, delList, scriptFileList NEAR
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// 22-Mar-1989 SB removed tmpFileStack and related variables
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// 16-Feb-1989 SB added delList to have scriptfile deletes at end of make
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// 21-Dec-1988 SB Added scriptFileList to handle multiple script files
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// removed tmpScriptFile and fKeep (not reqd anymore)
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// 19-Dec-1988 SB Added fKeep to handle KEEP/NOKEEP
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// 14-Dec-1988 SB Added tmpScriptFile to handle 'z' option
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// 30-Nov-1988 SB Added revList to handle 'z' option
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// 23-Nov-1988 SB Added CmdLine[] to handle extmake syntax
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// made pCmdLineCopy Global in build.c
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// 21-Oct-1988 SB Added fInheritUserEnv to inherit macros
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// 15-Sep-1988 RB Move some def's here for completeness.
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// 17-Aug-1988 RB Declare everything near.
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// 06-Jul-1988 rj Ditched shell and argVector globals.
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#include "precomp.h"
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#pragma hdrstop
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#if defined(STATISTICS)
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unsigned long CntfindMacro;
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unsigned long CntmacroChains;
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unsigned long CntinsertMacro;
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unsigned long CntfindTarget;
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unsigned long CnttargetChains;
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unsigned long CntStriCmp;
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unsigned long CntunQuotes;
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unsigned long CntFreeStrList;
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unsigned long CntAllocStrList;
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#endif
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BOOL fOptionK; // TRUE if user specifies /K
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BOOL fDescRebuildOrder; // TRUE if user specifies /O
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BOOL fSlashKStatus = TRUE; // no error when slash K specified
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// Used by action.c & nmake.c
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//
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// Required to make NMAKE inherit user modified changes to the environment. To
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// be set to true before defineMacro() is called so that user defined changes
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// in environment variables are reflected in the environment. If set to false
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// then these changes are made only in NMAKE tables and the environment remains
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// unchanged
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BOOL fInheritUserEnv;
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BOOL fRebuildOnTie; // TRUE if /b specified, Rebuild on tie
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// Used by action.c and nmake.c
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//
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// delList is the list of delete commands for deleting inline files which are
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// not required anymore (have a NOKEEP action specified.
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STRINGLIST * delList;
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// Complete list of generated inline files. Required to avoid duplicate names
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// NOTNEEDED
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STRINGLIST * inlineFileList;
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// from NMAKE.C
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// No of blanks is same as no of Allowed options in NMAKE; currently 14
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// L = nologo, H = help
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// corr to ABCDEHIKLNPQRSTUY?
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char makeflags[] = "MAKEFLAGS= ";
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BOOL firstToken; // to initialize parser
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BOOL bannerDisplayed;
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UCHAR flags; // holds -d -s -n -i -u
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UCHAR gFlags; // "global" -- all targets
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FILE * file;
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STRINGLIST * makeTargets; // list of targets to make
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STRINGLIST * makeFiles; // user can specify > 1
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BOOL fDebug;
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MACRODEF * pMacros;
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STRINGLIST * pValues;
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// from LEXER.C
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BOOL colZero = TRUE; // global flag set if at column zero of a makefile/tools.ini
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unsigned line;
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char * fName;
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char * string;
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INCLUDEINFO incStack[MAXINCLUDE]; //Assume this is initialized to null
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int incTop;
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// Inline file list -- Gets created in lexer.c and is used by action.c to
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// produce a delete command when 'NOKEEP' or Z option is set
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//
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SCRIPTLIST * scriptFileList;
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// from PARSER.C
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BOOL init; // global boolean value to indicate if tools.ini is being parsed
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UCHAR stack[STACKSIZE];
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int top = -1; // gets pre-incremented before use
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unsigned currentLine; // used for all error messages
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// from ACTION.C
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MACRODEF * macroTable[MAXMACRO];
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MAKEOBJECT * targetTable[MAXTARGET];
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STRINGLIST * macros;
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STRINGLIST * dotSuffixList;
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STRINGLIST * dotPreciousList;
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RULELIST * rules;
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STRINGLIST * list;
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char * name;
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BUILDBLOCK * block;
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UCHAR currentFlags;
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UCHAR actionFlags;
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// from BUILD.C
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unsigned errorLevel;
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unsigned numCommands;
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char * shellName;
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char * pCmdLineCopy;
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char CmdLine[MAXCMDLINELENGTH];
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// from IFEXPR.C
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UCHAR ifStack[IFSTACKSIZE];
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int ifTop = -1; // pre-incremented
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char * lbufPtr; // ptr to alloced buf
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char * prevDirPtr; // ptr to directive
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unsigned lbufSize; // initial size
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int chBuf = -1;
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// from UTIL.C
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char * dollarDollarAt;
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char * dollarLessThan;
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char * dollarStar;
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char * dollarAt;
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STRINGLIST * dollarQuestion;
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STRINGLIST * dollarStarStar;
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// from parser.c
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char buf[MAXBUF];
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// from action.c
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const char suffixes[] = ".SUFFIXES";
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const char ignore[] = ".IGNORE";
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const char silent[] = ".SILENT";
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const char precious[] = ".PRECIOUS";
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