/* * /+\ * +\ Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc. * \+/ * * This file is part of jam. * * License is hereby granted to use this software and distribute it * freely, as long as this copyright notice is retained and modifications * are clearly marked. * * ALL WARRANTIES ARE HEREBY DISCLAIMED. */ /* This file is ALSO: * Copyright 2001-2004 David Abrahams. * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) */ /* * jam.c - make redux * * See Jam.html for usage information. * * These comments document the code. * * The top half of the code is structured such: * * jam * / | \ * +---+ | \ * / | \ * jamgram option \ * / | \ \ * / | \ \ * / | \ | * scan | compile make * | | / | \ / | \ * | | / | \ / | \ * | | / | \ / | \ * jambase parse | rules search make1 * | | | \ * | | | \ * | | | \ * builtins timestamp command execute * | * | * | * filesys * * * The support routines are called by all of the above, but themselves * are layered thus: * * variable|expand * / | | | * / | | | * / | | | * lists | | pathsys * \ | | * \ | | * \ | | * newstr | * \ | * \ | * \ | * hash * * Roughly, the modules are: * * builtins.c - jam's built-in rules * command.c - maintain lists of commands * compile.c - compile parsed jam statements * execunix.c - execute a shell script on UNIX * execvms.c - execute a shell script, ala VMS * expand.c - expand a buffer, given variable values * file*.c - scan directories and archives on * * hash.c - simple in-memory hashing routines * hdrmacro.c - handle header file parsing for filename macro definitions * headers.c - handle #includes in source files * jambase.c - compilable copy of Jambase * jamgram.y - jam grammar * lists.c - maintain lists of strings * make.c - bring a target up to date, once rules are in place * make1.c - execute command to bring targets up to date * newstr.c - string manipulation routines * option.c - command line option processing * parse.c - make and destroy parse trees as driven by the parser * path*.c - manipulate file names on * * hash.c - simple in-memory hashing routines * regexp.c - Henry Spencer's regexp * rules.c - access to RULEs, TARGETs, and ACTIONs * scan.c - the jam yacc scanner * search.c - find a target along $(SEARCH) or $(LOCATE) * timestamp.c - get the timestamp of a file or archive member * variable.c - handle jam multi-element variables * * 05/04/94 (seiwald) - async multiprocess (-j) support * 02/08/95 (seiwald) - -n implies -d2. * 02/22/95 (seiwald) - -v for version info. * 09/11/00 (seiwald) - PATCHLEVEL folded into VERSION. * 01/10/01 (seiwald) - pathsys.h split from filesys.h */ #include "jam.h" #include "option.h" #include "patchlevel.h" /* These get various function declarations. */ #include "lists.h" #include "parse.h" #include "variable.h" #include "compile.h" #include "builtins.h" #include "rules.h" #include "newstr.h" #include "scan.h" #include "timestamp.h" #include "make.h" #include "strings.h" #include "expand.h" #include "filesys.h" #include "output.h" /* Macintosh is "special" */ #ifdef OS_MAC #include #endif /* And UNIX for this. */ #ifdef unix #include #include #endif struct globs globs = { 0, /* noexec */ 1, /* jobs */ 0, /* quitquick */ 0, /* newestfirst */ 0, /* pipes action stdout and stderr merged to action output */ #ifdef OS_MAC { 0, 0 }, /* debug - suppress tracing output */ #else { 0, 1 }, /* debug ... */ #endif 0, /* output commands, not run them */ 0 /* action timeout */ }; /* Symbols to be defined as true for use in Jambase. */ static char * othersyms[] = { OSMAJOR, OSMINOR, OSPLAT, JAMVERSYM, 0 }; /* Known for sure: * mac needs arg_enviro * OS2 needs extern environ */ #ifdef OS_MAC #define use_environ arg_environ #ifdef MPW QDGlobals qd; #endif #endif /* on Win32-LCC */ #if defined( OS_NT ) && defined( __LCC__ ) #define use_environ _environ #endif # if defined( __MWERKS__) #define use_environ _environ extern char * * _environ; #endif #ifndef use_environ #define use_environ environ #if !defined( __WATCOM__ ) && !defined( OS_OS2 ) && !defined( OS_NT ) extern char **environ; #endif #endif #if YYDEBUG != 0 extern int yydebug; #endif #ifndef NDEBUG static void run_unit_tests() { #if defined( USE_EXECNT ) extern void execnt_unit_test(); execnt_unit_test(); #endif string_unit_test(); var_expand_unit_test(); } #endif #ifdef HAVE_PYTHON extern PyObject * bjam_call ( PyObject * self, PyObject * args ); extern PyObject * bjam_import_rule ( PyObject * self, PyObject * args ); extern PyObject * bjam_define_action( PyObject * self, PyObject * args ); extern PyObject * bjam_variable ( PyObject * self, PyObject * args ); extern PyObject * bjam_backtrace ( PyObject * self, PyObject * args ); #endif int main( int argc, char * * argv, char * * arg_environ ) { int n; char * s; struct option optv[N_OPTS]; char const * all = "all"; int anyhow = 0; int status; int arg_c = argc; char * * arg_v = argv; char const * progname = argv[0]; BJAM_MEM_INIT(); # ifdef OS_MAC InitGraf(&qd.thePort); # endif --argc; ++argv; if ( getoptions( argc, argv, "-:l:d:j:p:f:gs:t:ano:qv", optv ) < 0 ) { printf( "\nusage: %s [ options ] targets...\n\n", progname ); printf( "-a Build all targets, even if they are current.\n" ); printf( "-dx Set the debug level to x (0-9).\n" ); printf( "-fx Read x instead of Jambase.\n" ); /* printf( "-g Build from newest sources first.\n" ); */ printf( "-jx Run up to x shell commands concurrently.\n" ); printf( "-lx Limit actions to x number of seconds after which they are stopped.\n" ); printf( "-n Don't actually execute the updating actions.\n" ); printf( "-ox Write the updating actions to file x.\n" ); printf( "-px x=0, pipes action stdout and stderr merged into action output.\n" ); printf( "-q Quit quickly as soon as a target fails.\n" ); printf( "-sx=y Set variable x=y, overriding environment.\n" ); printf( "-tx Rebuild x, even if it is up-to-date.\n" ); printf( "-v Print the version of jam and exit.\n" ); printf( "--x Option is ignored.\n\n" ); exit( EXITBAD ); } /* Version info. */ if ( ( s = getoptval( optv, 'v', 0 ) ) ) { printf( "Boost.Jam " ); printf( "Version %s. %s.\n", VERSION, OSMINOR ); printf( " Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc. \n" ); printf( " Copyright 2001 David Turner.\n" ); printf( " Copyright 2001-2004 David Abrahams.\n" ); printf( " Copyright 2002-2008 Rene Rivera.\n" ); printf( " Copyright 2003-2008 Vladimir Prus.\n" ); return EXITOK; } /* Pick up interesting options. */ if ( ( s = getoptval( optv, 'n', 0 ) ) ) globs.noexec++, globs.debug[2] = 1; if ( ( s = getoptval( optv, 'p', 0 ) ) ) { /* Undocumented -p3 (acts like both -p1 -p2) means separate pipe action * stdout and stderr. */ globs.pipe_action = atoi( s ); if ( ( 3 < globs.pipe_action ) || ( globs.pipe_action < 0 ) ) { printf( "Invalid pipe descriptor '%d', valid values are -p[0..3].\n", globs.pipe_action ); exit( EXITBAD ); } } if ( ( s = getoptval( optv, 'q', 0 ) ) ) globs.quitquick = 1; if ( ( s = getoptval( optv, 'a', 0 ) ) ) anyhow++; if ( ( s = getoptval( optv, 'j', 0 ) ) ) globs.jobs = atoi( s ); if ( ( s = getoptval( optv, 'g', 0 ) ) ) globs.newestfirst = 1; if ( ( s = getoptval( optv, 'l', 0 ) ) ) globs.timeout = atoi( s ); /* Turn on/off debugging */ for ( n = 0; ( s = getoptval( optv, 'd', n ) ); ++n ) { int i; /* First -d, turn off defaults. */ if ( !n ) for ( i = 0; i < DEBUG_MAX; ++i ) globs.debug[i] = 0; i = atoi( s ); if ( ( i < 0 ) || ( i >= DEBUG_MAX ) ) { printf( "Invalid debug level '%s'.\n", s ); continue; } /* n turns on levels 1-n. */ /* +n turns on level n. */ if ( *s == '+' ) globs.debug[i] = 1; else while ( i ) globs.debug[i--] = 1; } { PROFILE_ENTER( MAIN ); #ifdef HAVE_PYTHON { PROFILE_ENTER( MAIN_PYTHON ); Py_Initialize(); { static PyMethodDef BjamMethods[] = { {"call", bjam_call, METH_VARARGS, "Call the specified bjam rule."}, {"import_rule", bjam_import_rule, METH_VARARGS, "Imports Python callable to bjam."}, {"define_action", bjam_define_action, METH_VARARGS, "Defines a command line action."}, {"variable", bjam_variable, METH_VARARGS, "Obtains a variable from bjam's global module."}, {"backtrace", bjam_backtrace, METH_VARARGS, "Returns bjam backtrace from the last call into Python."}, {NULL, NULL, 0, NULL} }; Py_InitModule( "bjam", BjamMethods ); } PROFILE_EXIT( MAIN_PYTHON ); } #endif #ifndef NDEBUG run_unit_tests(); #endif #if YYDEBUG != 0 if ( DEBUG_PARSE ) yydebug = 1; #endif /* Set JAMDATE. */ var_set( "JAMDATE", list_new( L0, outf_time(time(0)) ), VAR_SET ); /* Set JAM_VERSION. */ var_set( "JAM_VERSION", list_new( list_new( list_new( L0, newstr( VERSION_MAJOR_SYM ) ), newstr( VERSION_MINOR_SYM ) ), newstr( VERSION_PATCH_SYM ) ), VAR_SET ); /* Set JAMUNAME. */ #ifdef unix { struct utsname u; if ( uname( &u ) >= 0 ) { var_set( "JAMUNAME", list_new( list_new( list_new( list_new( list_new( L0, newstr( u.sysname ) ), newstr( u.nodename ) ), newstr( u.release ) ), newstr( u.version ) ), newstr( u.machine ) ), VAR_SET ); } } #endif /* unix */ /* Load up environment variables. */ /* First into the global module, with splitting, for backward * compatibility. */ var_defines( use_environ, 1 ); /* Then into .ENVIRON, without splitting. */ enter_module( bindmodule(".ENVIRON") ); var_defines( use_environ, 0 ); exit_module( bindmodule(".ENVIRON") ); /* * Jam defined variables OS & OSPLAT. We load them after environment, so * that setting OS in environment does not change Jam's notion of the * current platform. */ var_defines( othersyms, 1 ); /* Load up variables set on command line. */ for ( n = 0; ( s = getoptval( optv, 's', n ) ); ++n ) { char *symv[2]; symv[ 0 ] = s; symv[ 1 ] = 0; var_defines( symv, 1 ); enter_module( bindmodule(".ENVIRON") ); var_defines( symv, 0 ); exit_module( bindmodule(".ENVIRON") ); } /* Set the ARGV to reflect the complete list of arguments of invocation. */ for ( n = 0; n < arg_c; ++n ) var_set( "ARGV", list_new( L0, newstr( arg_v[n] ) ), VAR_APPEND ); /* Initialize built-in rules. */ load_builtins(); /* Add the targets in the command line to the update list. */ for ( n = 1; n < arg_c; ++n ) { if ( arg_v[ n ][ 0 ] == '-' ) { char * f = "-:l:d:j:f:gs:t:ano:qv"; for ( ; *f; ++f ) if ( *f == arg_v[ n ][ 1 ] ) break; if ( ( f[ 1 ] == ':' ) && ( arg_v[ n ][ 2 ] == '\0' ) ) ++n; } else { mark_target_for_updating( arg_v[ n ] ); } } /* Parse ruleset. */ { FRAME frame[ 1 ]; frame_init( frame ); for ( n = 0; ( s = getoptval( optv, 'f', n ) ); ++n ) parse_file( s, frame ); if ( !n ) parse_file( "+", frame ); } status = yyanyerrors(); /* Manually touch -t targets. */ for ( n = 0; ( s = getoptval( optv, 't', n ) ); ++n ) touch_target( s ); /* If an output file is specified, set globs.cmdout to that. */ if ( ( s = getoptval( optv, 'o', 0 ) ) ) { if ( !( globs.cmdout = fopen( s, "w" ) ) ) { printf( "Failed to write to '%s'\n", s ); exit( EXITBAD ); } ++globs.noexec; } /* Now make target. */ { PROFILE_ENTER( MAIN_MAKE ); LIST * targets = targets_to_update(); if ( !targets ) { status |= make( 1, &all, anyhow ); } else { int targets_count = list_length( targets ); const char * * targets2 = (const char * *) BJAM_MALLOC( targets_count * sizeof( char * ) ); int n = 0; for ( ; targets; targets = list_next( targets ) ) targets2[ n++ ] = targets->string; status |= make( targets_count, targets2, anyhow ); free( targets ); } PROFILE_EXIT( MAIN_MAKE ); } PROFILE_EXIT( MAIN ); } if ( DEBUG_PROFILE ) profile_dump(); /* Widely scattered cleanup. */ var_done(); file_done(); rules_done(); stamps_done(); str_done(); /* Close cmdout. */ if ( globs.cmdout ) fclose( globs.cmdout ); #ifdef HAVE_PYTHON Py_Finalize(); #endif BJAM_MEM_CLOSE(); return status ? EXITBAD : EXITOK; }