diff options
Diffstat (limited to 'dmake/rulparse.c')
| -rw-r--r-- | dmake/rulparse.c | 779 |
1 files changed, 389 insertions, 390 deletions
diff --git a/dmake/rulparse.c b/dmake/rulparse.c index af7915fb129b..f47f166ef7ae 100644 --- a/dmake/rulparse.c +++ b/dmake/rulparse.c @@ -75,72 +75,72 @@ Parse_rule_def( state )/* */ int *state; { - TKSTR input; /* input string struct for token search */ - CELLPTR targets; /* list of targets if any */ - CELLPTR prereq; /* list of prereq if any */ - CELLPTR prereqtail; /* tail of prerequisite list */ - CELLPTR cp; /* temporary cell pointer for list making */ - char *result; /* temporary storage for result */ - char *tok; /* temporary pointer for tokens */ - char *set_dir; /* value of setdir attribute */ - char *brk; /* break char list for Get_token */ - char *firstrcp; /* first recipe line, from ; in rule line */ - t_attr attr; /* sum of attribute flags for current tgts*/ - t_attr at; /* temp place to keep an attribute code */ - int op; /* rule operator */ - int special; /* indicate special targets in rule */ - int augmeta; /* indicate .<suffix> like target */ - int percent; /* indicate percent rule target */ - int percent_prq; /* indicate mixed %-rule prereq possible */ - - DB_ENTER( "Parse_rule_def" ); - - op = 0; - attr = 0; - special = 0; - augmeta = 0; - percent = 0; - set_dir = NIL( char ); - targets = NIL(CELL); - prereq = NIL(CELL); - prereqtail = NIL(CELL); - percent_prq = 0; - - /* Check to see if the line is of the form: - * targets : prerequisites; first recipe line - * If so remember the first_recipe part of the line. */ - - firstrcp = strchr( Buffer, ';' ); - if( firstrcp != NIL( char ) ) { - *firstrcp++ = 0; - firstrcp = DmStrSpn( firstrcp, " \t" ); - } - - result = Expand( Buffer ); - /* Remove CONTINUATION_CHAR, keep the <nl> */ - for( brk=strchr(result,CONTINUATION_CHAR); brk != NIL(char); brk=strchr(brk,CONTINUATION_CHAR) ) - if( brk[1] == '\n' ) - *brk = ' '; - else - brk++; - - DB_PRINT( "par", ("Scanning: [%s]", result) ); - - SET_TOKEN( &input, result ); - brk = ":-^!|"; - Def_targets = TRUE; + TKSTR input; /* input string struct for token search */ + CELLPTR targets; /* list of targets if any */ + CELLPTR prereq; /* list of prereq if any */ + CELLPTR prereqtail; /* tail of prerequisite list */ + CELLPTR cp; /* temporary cell pointer for list making */ + char *result; /* temporary storage for result */ + char *tok; /* temporary pointer for tokens */ + char *set_dir; /* value of setdir attribute */ + char *brk; /* break char list for Get_token */ + char *firstrcp; /* first recipe line, from ; in rule line */ + t_attr attr; /* sum of attribute flags for current tgts*/ + t_attr at; /* temp place to keep an attribute code */ + int op; /* rule operator */ + int special; /* indicate special targets in rule */ + int augmeta; /* indicate .<suffix> like target */ + int percent; /* indicate percent rule target */ + int percent_prq; /* indicate mixed %-rule prereq possible */ + + DB_ENTER( "Parse_rule_def" ); + + op = 0; + attr = 0; + special = 0; + augmeta = 0; + percent = 0; + set_dir = NIL( char ); + targets = NIL(CELL); + prereq = NIL(CELL); + prereqtail = NIL(CELL); + percent_prq = 0; + + /* Check to see if the line is of the form: + * targets : prerequisites; first recipe line + * If so remember the first_recipe part of the line. */ + + firstrcp = strchr( Buffer, ';' ); + if( firstrcp != NIL( char ) ) { + *firstrcp++ = 0; + firstrcp = DmStrSpn( firstrcp, " \t" ); + } + + result = Expand( Buffer ); + /* Remove CONTINUATION_CHAR, keep the <nl> */ + for( brk=strchr(result,CONTINUATION_CHAR); brk != NIL(char); brk=strchr(brk,CONTINUATION_CHAR) ) + if( brk[1] == '\n' ) + *brk = ' '; + else + brk++; + + DB_PRINT( "par", ("Scanning: [%s]", result) ); + + SET_TOKEN( &input, result ); + brk = ":-^!|"; + Def_targets = TRUE; + + /* Scan the input rule line collecting targets, the operator, and any + * prerequisites. Stop when we run out of targets and prerequisites. */ + + while( *(tok = Get_token( &input, brk, TRUE )) != '\0' ) + if( !op ) { + /* we are scanning targets and attributes + * check to see if token is an operator. */ + + op = Rule_op( tok ); - /* Scan the input rule line collecting targets, the operator, and any - * prerequisites. Stop when we run out of targets and prerequisites. */ - - while( *(tok = Get_token( &input, brk, TRUE )) != '\0' ) if( !op ) { - /* we are scanning targets and attributes - * check to see if token is an operator. */ - - op = Rule_op( tok ); - - if( !op ) { /* Define a new cell, or get pointer to pre-existing cell. */ /* Do we need cells for attributes? If not move the definition * to the target part. */ @@ -151,209 +151,209 @@ int *state; DB_PRINT( "par", ("tg_cell [%s]", tok) ); if( (at = _is_attribute(tok)) != 0 ) { - /* Ignore .SILENT when -vr is active. */ - if( (Verbose & V_FORCEECHO) && (at == A_SILENT) ) - at = 0; + /* Ignore .SILENT when -vr is active. */ + if( (Verbose & V_FORCEECHO) && (at == A_SILENT) ) + at = 0; - /* Logically OR the attributes specified into one main - * ATTRIBUTE mask. */ + /* Logically OR the attributes specified into one main + * ATTRIBUTE mask. */ - if( at == A_SETDIR ) { - if( set_dir != NIL( char ) ) - Warning( "Multiple .SETDIR attribute ignored" ); - else - set_dir = DmStrDup( tok ); - } + if( at == A_SETDIR ) { + if( set_dir != NIL( char ) ) + Warning( "Multiple .SETDIR attribute ignored" ); + else + set_dir = DmStrDup( tok ); + } - attr |= at; + attr |= at; } else { - /* Not an attribute, this must be a target. */ - int tmp; - - tmp = _is_special( tok ); - - if( _is_percent( tok ) ) { - /* First %-target checks if there were non-%-targets before. */ - if( !percent && targets != NIL(CELL) ) - Fatal( "A %%-target must not be mixed with non-%%-targets, offending target [%s]", tok ); - - percent++; - cp->ce_flag |= F_PERCENT; - } else { - if( percent ) - Fatal( "A non-%%-target must not be mixed with %%-targets, offending target [%s]", tok ); - } - - if( _is_magic( tok ) ) { - /* Check that AUGMAKE targets are not mixed with other - * targets. The return value of _is_magic() is discarded and - * calculated again in _do_targets() if this rule definition - * really is a .<suffix> like target. - * If we would allow only one target per line we could easily - * store the result for later, but for multiple .<suffix> - * targets this creates too much overhead. - * These targets should be rare (obsolete?) anyway. */ - if( !augmeta && targets != NIL(CELL) ) - Fatal( "An AUGMAKE meta target must not be mixed with non AUGMAKE meta targets, offending target [%s]", tok ); - - augmeta++; - cp->ce_flag |= F_MAGIC; /* do_magic will also add F_PERCENT later. */ - } else { - if( augmeta ) - Fatal( "A non AUGMAKE meta target must not be mixed with AUGMAKE meta targets, offending target [%s]", tok ); - } - - if( special ) - Fatal( "Special target must appear alone, found [%s]", tok ); - else if( !(cp->ce_flag & F_MARK) ) { - /* Targets are kept in this list in lexically sorted order. - * This allows for easy equality comparison of target - * sets.*/ - CELLPTR prev,cur; - for(prev=NIL(CELL),cur=targets;cur;prev=cur,cur=cur->ce_link) - if(strcmp(cur->CE_NAME,cp->CE_NAME) > 0) - break; - - cp->ce_link = cur; - - if (!prev) - targets = cp; + /* Not an attribute, this must be a target. */ + int tmp; + + tmp = _is_special( tok ); + + if( _is_percent( tok ) ) { + /* First %-target checks if there were non-%-targets before. */ + if( !percent && targets != NIL(CELL) ) + Fatal( "A %%-target must not be mixed with non-%%-targets, offending target [%s]", tok ); + + percent++; + cp->ce_flag |= F_PERCENT; + } else { + if( percent ) + Fatal( "A non-%%-target must not be mixed with %%-targets, offending target [%s]", tok ); + } + + if( _is_magic( tok ) ) { + /* Check that AUGMAKE targets are not mixed with other + * targets. The return value of _is_magic() is discarded and + * calculated again in _do_targets() if this rule definition + * really is a .<suffix> like target. + * If we would allow only one target per line we could easily + * store the result for later, but for multiple .<suffix> + * targets this creates too much overhead. + * These targets should be rare (obsolete?) anyway. */ + if( !augmeta && targets != NIL(CELL) ) + Fatal( "An AUGMAKE meta target must not be mixed with non AUGMAKE meta targets, offending target [%s]", tok ); + + augmeta++; + cp->ce_flag |= F_MAGIC; /* do_magic will also add F_PERCENT later. */ + } else { + if( augmeta ) + Fatal( "A non AUGMAKE meta target must not be mixed with AUGMAKE meta targets, offending target [%s]", tok ); + } + + if( special ) + Fatal( "Special target must appear alone, found [%s]", tok ); + else if( !(cp->ce_flag & F_MARK) ) { + /* Targets are kept in this list in lexically sorted order. + * This allows for easy equality comparison of target + * sets.*/ + CELLPTR prev,cur; + for(prev=NIL(CELL),cur=targets;cur;prev=cur,cur=cur->ce_link) + if(strcmp(cur->CE_NAME,cp->CE_NAME) > 0) + break; + + cp->ce_link = cur; + + if (!prev) + targets = cp; + else + prev->ce_link = cp; + + cp->ce_flag |= F_MARK | F_EXPLICIT; + special = tmp; + } else - prev->ce_link = cp; - - cp->ce_flag |= F_MARK | F_EXPLICIT; - special = tmp; - } - else - Warning( "Duplicate target [%s]", cp->CE_NAME ); + Warning( "Duplicate target [%s]", cp->CE_NAME ); } - } - else { + } + else { /* found an operator so empty out break list and clear mark * bits on target list, setting them all to F_VISITED*/ brk = ""; for( cp=targets; cp != NIL(CELL); cp=cp->ce_link ) { - cp->ce_flag ^= F_MARK; - cp->ce_flag |= F_VISITED; + cp->ce_flag ^= F_MARK; + cp->ce_flag |= F_VISITED; } Def_targets = FALSE; - } } - else { - /* Scanning prerequisites so build the prerequisite list. We use - * F_MARK flag to make certain we have only a single copy of the - * prerequisite in the list */ + } + else { + /* Scanning prerequisites so build the prerequisite list. We use + * F_MARK flag to make certain we have only a single copy of the + * prerequisite in the list */ - cp = Def_cell( tok ); + cp = Def_cell( tok ); - /* %-prerequisits require eiter a %-target or this might be a rule of - * the "ATTRIBUTE_LIST : targets" form. */ - if( _is_percent( tok ) ) { + /* %-prerequisits require eiter a %-target or this might be a rule of + * the "ATTRIBUTE_LIST : targets" form. */ + if( _is_percent( tok ) ) { if( percent || ((targets == NIL(CELL)) && attr) ) - percent_prq = 1; + percent_prq = 1; else - Fatal( "Syntax error in %% rule, missing %% target"); - } + Fatal( "Syntax error in %% rule, missing %% target"); + } - if( cp->ce_flag & F_VISITED ) { + if( cp->ce_flag & F_VISITED ) { if( cp->ce_attr & A_COMPOSITE ) - continue; + continue; else - Fatal( "Detected circular dependency in graph at [%s]", - cp->CE_NAME ); - } - else if( !(cp->ce_flag & F_MARK) ) { + Fatal( "Detected circular dependency in graph at [%s]", + cp->CE_NAME ); + } + else if( !(cp->ce_flag & F_MARK) ) { DB_PRINT( "par", ("pq_cell [%s]", tok) ); cp->ce_flag |= F_MARK; if( prereqtail == NIL(CELL) ) /* keep prereq's in order */ - prereq = cp; + prereq = cp; else - prereqtail->ce_link = cp; + prereqtail->ce_link = cp; prereqtail = cp; cp->ce_link = NIL(CELL); - } - else if( !(cp->ce_attr & A_LIBRARY) && (Verbose & V_WARNALL)) - Warning("Duplicate entry [%s] in prerequisite list",cp->CE_NAME); } - - /* Check to see if we have a percent rule that has only global - * prerequisites, i.e. they are of the form: "%.a : foo". - * If so then set the flag so that later on, we don't issue - * an error if such targets supply an empty set of rules. */ - - if( percent && !percent_prq && (prereq != NIL(CELL)) ) - _sv_globprq_only = 1; - - /* It's ok to have targets with attributes, and no prerequisites, but it's - * not ok to have no targets and no attributes, or no operator */ - - if( !op ) { - CLEAR_TOKEN( &input ); - DB_PRINT( "par", ("Not a rule [%s]", Buffer) ); - DB_RETURN( 0 ); - } - - /* More than one percent target didn't work with prior versions. */ - if( (percent > 1) && !(op & R_OP_OR) ) - Warning( "Prior to dmake 4.5 only one\n" - "%%-target per target-definition worked reliably. Check your makefiles.\n" ); - - if( !attr && targets == NIL(CELL) ) { - Fatal( "Missing targets or attributes in rule" ); - if( set_dir != NIL( char )) FREE( set_dir ); - DB_RETURN( 0 ); - } - - /* We have established we have a legal rules line, so we must process it. - * In doing so we must handle any special targets. Special targets must - * appear alone possibly accompanied by attributes. - * NOTE: special != 0 ==> targets != NIL(CELL) */ - - if( prereqtail != NIL(CELL) ) prereqtail->ce_link = NIL(CELL); - - /* Clear out MARK bits used in duplicate checking. I originally wanted - * to do this as the lists get processed but that got too error prone - * so I bit the bullit and added these two loops. */ - - for( cp=prereq; cp != NIL(CELL); cp=cp->ce_link ) cp->ce_flag &= ~F_MARK; - for( cp=targets; cp != NIL(CELL); cp=cp->ce_link ) cp->ce_flag &= ~F_VISITED; - - /* Check to see if the previous recipe was bound, if not the call - * Bind_rules_to_targets() to bind the recipe (_sv_rules) to the - * target(s) (_sv_targets). */ - /* was: if( _sv_rules != NIL(STRING) ) Bind_rules_to_targets( F_DEFAULT );*/ - /* Only Add_recipe_to_list() sets _sv_rules and Bind_rules_to_targets() - * clears the (static) variables again. Bind_rules_to_targets() is - * (should be) called after State is leaving RULE_SCAN in Parse(). - * Abort if there are unbound recipes. FIXME: Remove this paragraph - * if this never occurs. */ - if( _sv_rules != NIL(STRING) ) - Fatal( "Internal Error: _sv_rules not empty." ); - - /* Add the first recipe line to the list */ - if( firstrcp != NIL( char ) ) - Add_recipe_to_list( firstrcp, TRUE, FALSE ); - - /* Save these prior to calling _do_targets, since _build_graph needs the - * _sv_setdir value for matching edges. */ - _sv_op = op; - _sv_setdir = set_dir; - - if( special ) - /* _do_special() can alter *state */ - _do_special( special, op, attr, set_dir, targets, prereq, state ); - else - *state = _do_targets( op, attr, set_dir, targets, prereq ); - - if( (*state != RULE_SCAN) && (_sv_rules != NIL(STRING)) ) - Fatal( "Unexpected recipe found." ); - - DB_RETURN( 1 ); + else if( !(cp->ce_attr & A_LIBRARY) && (Verbose & V_WARNALL)) + Warning("Duplicate entry [%s] in prerequisite list",cp->CE_NAME); + } + + /* Check to see if we have a percent rule that has only global + * prerequisites, i.e. they are of the form: "%.a : foo". + * If so then set the flag so that later on, we don't issue + * an error if such targets supply an empty set of rules. */ + + if( percent && !percent_prq && (prereq != NIL(CELL)) ) + _sv_globprq_only = 1; + + /* It's ok to have targets with attributes, and no prerequisites, but it's + * not ok to have no targets and no attributes, or no operator */ + + CLEAR_TOKEN( &input ); FREE(result); result = NIL(char); + if( !op ) { + DB_PRINT( "par", ("Not a rule [%s]", Buffer) ); + DB_RETURN( 0 ); + } + + /* More than one percent target didn't work with prior versions. */ + if( (percent > 1) && !(op & R_OP_OR) ) + Warning( "Prior to dmake 4.5 only one\n" + "%%-target per target-definition worked reliably. Check your makefiles.\n" ); + + if( !attr && targets == NIL(CELL) ) { + Fatal( "Missing targets or attributes in rule" ); + if( set_dir != NIL( char )) FREE( set_dir ); + DB_RETURN( 0 ); + } + + /* We have established we have a legal rules line, so we must process it. + * In doing so we must handle any special targets. Special targets must + * appear alone possibly accompanied by attributes. + * NOTE: special != 0 ==> targets != NIL(CELL) */ + + if( prereqtail != NIL(CELL) ) prereqtail->ce_link = NIL(CELL); + + /* Clear out MARK bits used in duplicate checking. I originally wanted + * to do this as the lists get processed but that got too error prone + * so I bit the bullit and added these two loops. */ + + for( cp=prereq; cp != NIL(CELL); cp=cp->ce_link ) cp->ce_flag &= ~F_MARK; + for( cp=targets; cp != NIL(CELL); cp=cp->ce_link ) cp->ce_flag &= ~F_VISITED; + + /* Check to see if the previous recipe was bound, if not the call + * Bind_rules_to_targets() to bind the recipe (_sv_rules) to the + * target(s) (_sv_targets). */ + /* was: if( _sv_rules != NIL(STRING) ) Bind_rules_to_targets( F_DEFAULT );*/ + /* Only Add_recipe_to_list() sets _sv_rules and Bind_rules_to_targets() + * clears the (static) variables again. Bind_rules_to_targets() is + * (should be) called after State is leaving RULE_SCAN in Parse(). + * Abort if there are unbound recipes. FIXME: Remove this paragraph + * if this never occurs. */ + if( _sv_rules != NIL(STRING) ) + Fatal( "Internal Error: _sv_rules not empty." ); + + /* Add the first recipe line to the list */ + if( firstrcp != NIL( char ) ) + Add_recipe_to_list( firstrcp, TRUE, FALSE ); + + /* Save these prior to calling _do_targets, since _build_graph needs the + * _sv_setdir value for matching edges. */ + _sv_op = op; + _sv_setdir = set_dir; + + if( special ) + /* _do_special() can alter *state */ + _do_special( special, op, attr, set_dir, targets, prereq, state ); + else + *state = _do_targets( op, attr, set_dir, targets, prereq ); + + if( (*state != RULE_SCAN) && (_sv_rules != NIL(STRING)) ) + Fatal( "Unexpected recipe found." ); + + DB_RETURN( 1 ); } @@ -576,240 +576,239 @@ CELLPTR target; CELLPTR prereq; int *state; { - HASHPTR hp; /* pointer to macro def cell */ - CELLPTR cp; /* temporary pointer into cells list */ - CELLPTR dp; /* pointer to directory dir cell */ - LINKPTR lp; /* pointer at prerequisite list */ - char *dir; /* current dir to prepend */ - char *path; /* resulting path to try to read */ - char *name; /* File name for processing a .INCLUDE */ - char *tmp; /* temporary string pointer */ - FILE *fil; /* File descriptor returned by Openfile */ + HASHPTR hp; /* pointer to macro def cell */ + CELLPTR cp; /* temporary pointer into cells list */ + CELLPTR dp; /* pointer to directory dir cell */ + LINKPTR lp; /* pointer at prerequisite list */ + char *dir; /* current dir to prepend */ + char *path; /* resulting path to try to read */ + char *name; /* File name for processing a .INCLUDE */ + char *tmp; /* temporary string pointer */ + FILE *fil; /* File descriptor returned by Openfile */ - DB_ENTER( "_do_special" ); + DB_ENTER( "_do_special" ); - target->ce_flag = F_SPECIAL; /* mark the target as special */ + target->ce_flag = F_SPECIAL; /* mark the target as special */ - switch( special ) { - case ST_EXPORT: - for( ; prereq != NIL(CELL); prereq = prereq->ce_link ) { - DB_PRINT( "par", ("Exporting [%s]", prereq->CE_NAME) ); - hp = GET_MACRO( prereq->CE_NAME ); + switch( special ) { + case ST_EXPORT: + for( ; prereq != NIL(CELL); prereq = prereq->ce_link ) { + DB_PRINT( "par", ("Exporting [%s]", prereq->CE_NAME) ); + hp = GET_MACRO( prereq->CE_NAME ); - if( hp != NIL(HASH) ) { - char *tmpstr = hp->ht_value; + if( hp != NIL(HASH) ) { + char *tmpstr = hp->ht_value; - if( tmpstr == NIL(char) ) tmpstr = ""; + if( tmpstr == NIL(char) ) tmpstr = ""; - if( Write_env_string( prereq->CE_NAME, tmpstr ) != 0 ) + if( Write_env_string( prereq->CE_NAME, tmpstr ) != 0 ) Warning( "Could not export %s", prereq->CE_NAME ); - } - } - break; + } + } + break; - /* Simply cause the parser to fail on the next input read */ - case ST_EXIT: - Skip_to_eof = TRUE; - break; + /* Simply cause the parser to fail on the next input read */ + case ST_EXIT: + Skip_to_eof = TRUE; + break; - case ST_IMPORT: - for( ; prereq != NIL(CELL); prereq = prereq->ce_link ) { - char *tmpstr; + case ST_IMPORT: + for( ; prereq != NIL(CELL); prereq = prereq->ce_link ) { + char *tmpstr; - DB_PRINT( "par", ("Importing [%s]", prereq->CE_NAME) ); + DB_PRINT( "par", ("Importing [%s]", prereq->CE_NAME) ); - if( strcmp(prereq->CE_NAME, ".EVERYTHING") == 0 ) { - t_attr sattr = Glob_attr; - Glob_attr |= A_SILENT; + if( strcmp(prereq->CE_NAME, ".EVERYTHING") == 0 ) { + t_attr sattr = Glob_attr; + Glob_attr |= A_SILENT; - ReadEnvironment(); + ReadEnvironment(); - Glob_attr = sattr; - } - else { - tmpstr = Read_env_string( prereq->CE_NAME ); + Glob_attr = sattr; + } + else { + tmpstr = Read_env_string( prereq->CE_NAME ); - if( tmpstr != NIL(char) ) + if( tmpstr != NIL(char) ) Def_macro(prereq->CE_NAME, tmpstr, M_EXPANDED|M_LITERAL); - else + else if( !((Glob_attr | attr) & A_IGNORE) ) - Fatal("Imported macro `%s' not found",prereq->CE_NAME); - } - } + Fatal("Imported macro `%s' not found",prereq->CE_NAME); + } + } - attr &= ~A_IGNORE; - break; + attr &= ~A_IGNORE; + break; - case ST_INCLUDE: - { - int pushed = FALSE; - int first = (attr & A_FIRST); - int ignore = (((Glob_attr | attr) & A_IGNORE) != 0); - int found = FALSE; - int noinf = (attr & A_NOINFER); - LINKPTR prqlnk = NIL(LINK); - LINKPTR prqlst = NIL(LINK); + case ST_INCLUDE: + { + int pushed = FALSE; + int first = (attr & A_FIRST); + int ignore = (((Glob_attr | attr) & A_IGNORE) != 0); + int found = FALSE; + int noinf = (attr & A_NOINFER); + LINKPTR prqlnk = NIL(LINK); + LINKPTR prqlst = NIL(LINK); - if( prereq == NIL(CELL) ) Fatal( "No .INCLUDE file(s) specified" ); + if( prereq == NIL(CELL) ) Fatal( "No .INCLUDE file(s) specified" ); - dp = Def_cell( ".INCLUDEDIRS" ); + dp = Def_cell( ".INCLUDEDIRS" ); - if( (attr & A_SETDIR) && *(dir = strchr(set_dir, '=')+1) ) + if( (attr & A_SETDIR) && *(dir = strchr(set_dir, '=')+1) ) pushed = Push_dir( dir, ".INCLUDE", ignore ); - for( cp=prereq; cp != NIL(CELL); cp = cp->ce_link ) { + for( cp=prereq; cp != NIL(CELL); cp = cp->ce_link ) { LINKPTR ltmp; TALLOC(ltmp, 1, LINK); ltmp->cl_prq = cp; if( prqlnk == NIL(LINK) ) - prqlst = ltmp; + prqlst = ltmp; else - prqlnk->cl_next = ltmp; + prqlnk->cl_next = ltmp; prqlnk = ltmp; - } + } - for( ; prqlst != NIL(LINK); FREE(prqlst), prqlst=prqlnk ) { + for( ; prqlst != NIL(LINK); FREE(prqlst), prqlst=prqlnk ) { prqlnk = prqlst->cl_next; cp = prqlst->cl_prq; name = cp->CE_NAME; /* Leave this here, it ensures that prqlst gets propely free'd */ if ( first && found ) - continue; + continue; if( *name == '<' ) { - /* We have a file name enclosed in <....> - * so get rid of the <> arround the file name */ + /* We have a file name enclosed in <....> + * so get rid of the <> arround the file name */ - name++; - if( (tmp = strrchr( name, '>' )) != NIL( char ) ) - *tmp = 0; + name++; + if( (tmp = strrchr( name, '>' )) != NIL( char ) ) + *tmp = 0; - if( If_root_path( name ) ) - fil = Openfile( name, FALSE, FALSE ); - else - fil = NIL(FILE); + if( If_root_path( name ) ) + fil = Openfile( name, FALSE, FALSE ); + else + fil = NIL(FILE); } else - fil = Openfile( name, FALSE, FALSE ); + fil = Openfile( name, FALSE, FALSE ); if( fil == NIL(FILE) && !If_root_path( name ) ) { /*if true ==> not found in current dir*/ - /* Now we must scan the list of prerequisites for .INCLUDEDIRS - * looking for the file in each of the specified directories. - * if we don't find it then we issue an error. The error - * message is suppressed if the .IGNORE attribute of attr is - * set. If a file is found we call Parse on the file to - * perform the parse and then continue on from where we left - * off. */ + /* Now we must scan the list of prerequisites for .INCLUDEDIRS + * looking for the file in each of the specified directories. + * if we don't find it then we issue an error. The error + * message is suppressed if the .IGNORE attribute of attr is + * set. If a file is found we call Parse on the file to + * perform the parse and then continue on from where we left + * off. */ - for(lp=dp->CE_PRQ; lp && fil == NIL(FILE); lp=lp->cl_next) { - dir = lp->cl_prq->CE_NAME; - if( strchr(dir, '$') ) dir = Expand(dir); - path = Build_path( dir, name ); + for(lp=dp->CE_PRQ; lp && fil == NIL(FILE); lp=lp->cl_next) { + dir = lp->cl_prq->CE_NAME; + if( strchr(dir, '$') ) dir = Expand(dir); + path = Build_path( dir, name ); - DB_PRINT( "par", ("Trying to include [%s]", path) ); + DB_PRINT( "par", ("Trying to include [%s]", path) ); - fil = Openfile( path, FALSE, FALSE ); - if( dir != lp->cl_prq->CE_NAME ) FREE(dir); - } + fil = Openfile( path, FALSE, FALSE ); + if( dir != lp->cl_prq->CE_NAME ) FREE(dir); + } } if (!noinf && fil == NIL(FILE)) { - t_attr glob = Glob_attr; - t_attr cattr = prqlst->cl_prq->ce_attr; + t_attr glob = Glob_attr; + t_attr cattr = prqlst->cl_prq->ce_attr; - prqlst->cl_next = NIL(LINK); - Glob_attr |= (attr&A_IGNORE); - prqlst->cl_prq->ce_attr &= ~A_FRINGE; + prqlst->cl_next = NIL(LINK); + Glob_attr |= (attr&A_IGNORE); + prqlst->cl_prq->ce_attr &= ~A_FRINGE; - if( Verbose & V_FILE_IO ) - printf( "%s: Inferring include file [%s].\n", - Pname, name ); - fil = TryFiles(prqlst); + if( Verbose & V_FILE_IO ) + printf( "%s: Inferring include file [%s].\n", + Pname, name ); + fil = TryFiles(prqlst); - Glob_attr = glob; - prqlst->cl_prq->ce_attr |= (cattr & A_FRINGE); + Glob_attr = glob; + prqlst->cl_prq->ce_attr |= (cattr & A_FRINGE); } if( fil != NIL(FILE) ) { - if( Verbose & V_FILE_IO ) - printf( "%s: Parsing include file [%s].\n", - Pname, name ); - Parse( fil ); - found = TRUE; + if( Verbose & V_FILE_IO ) + printf( "%s: Parsing include file [%s].\n", + Pname, name ); + Parse( fil ); + found = TRUE; } else if( !(ignore || first) ) - Fatal( "Include file %s, not found", name ); + Fatal( "Include file %s, not found", name ); else if( Verbose & V_FILE_IO ) - printf( "%s: Include file [%s] was not found.\n", - Pname, name ); - } + printf( "%s: Include file [%s] was not found.\n", + Pname, name ); + } - if ( !ignore && first && !found ) + if ( !ignore && first && !found ) Fatal( "No include file was found" ); - if( pushed ) Pop_dir(FALSE); - attr &= ~(A_IGNORE|A_SETDIR|A_FIRST|A_NOINFER); - } - break; + if( pushed ) Pop_dir(FALSE); + attr &= ~(A_IGNORE|A_SETDIR|A_FIRST|A_NOINFER); + } + break; + + case ST_SOURCE: + if( prereq != NIL(CELL) ) + _do_targets( op & (R_OP_CL | R_OP_MI | R_OP_UP), attr, set_dir, + target, prereq ); + else { + /* The old semantics of .SOURCE were that an empty list of + * prerequisites clears the .SOURCE list. So we must implement + * that here as a clearout prerequisite operation. Since this is + * a standard operation with the :- opcode we can simply call the + * proper routine with the target cell and it should do the trick + */ - case ST_SOURCE: - if( prereq != NIL(CELL) ) - _do_targets( op & (R_OP_CL | R_OP_MI | R_OP_UP), attr, set_dir, - target, prereq ); - else { - /* The old semantics of .SOURCE were that an empty list of - * prerequisites clears the .SOURCE list. So we must implement - * that here as a clearout prerequisite operation. Since this is - * a standard operation with the :- opcode we can simply call the - * proper routine with the target cell and it should do the trick - */ + if( op == R_OP_CL || (op & R_OP_MI) ) + Clear_prerequisites( target ); + } - if( op == R_OP_CL || (op & R_OP_MI) ) - Clear_prerequisites( target ); - } + op &= ~(R_OP_MI | R_OP_UP); + break; - op &= ~(R_OP_MI | R_OP_UP); - break; - - case ST_KEEP: - if( Keep_state != NIL(char) ) break; - Def_macro( ".KEEP_STATE", "_state.mk", M_EXPANDED ); - break; + case ST_KEEP: + if( Keep_state != NIL(char) ) break; + Def_macro( ".KEEP_STATE", "_state.mk", M_EXPANDED ); + break; - case ST_REST: - /* The rest of the special targets can all take recipes, as such they - * must be able to affect the state of the parser. */ + case ST_REST: + /* The rest of the special targets can all take recipes, as such they + * must be able to affect the state of the parser. */ - { - int s_targ = Target; + { + int s_targ = Target; - Target = TRUE; - _sp_target = TRUE; - *state = _do_targets( op, attr, set_dir, target, prereq ); - Target = s_targ; + Target = TRUE; + _sp_target = TRUE; + *state = _do_targets( op, attr, set_dir, target, prereq ); + Target = s_targ; - target->ce_flag |= F_TARGET; + target->ce_flag |= F_TARGET; - attr = A_DEFAULT; - op = R_OP_CL; - } - break; + attr = A_DEFAULT; + op = R_OP_CL; + } + break; - default:break; - } + default:break; + } - if( op != R_OP_CL ) Warning( "Modifier(s) for operator ignored" ); - if( attr != A_DEFAULT ) Warning( "Extra attributes ignored" ); + if( op != R_OP_CL ) Warning( "Modifier(s) for operator ignored" ); + if( attr != A_DEFAULT ) Warning( "Extra attributes ignored" ); - DB_VOID_RETURN; + DB_VOID_RETURN; } - static int _do_targets( op, attr, set_dir, targets, prereq )/* =================================================== |