activate_extensions_bc.c File Reference

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Functions
static bool	rule_multi_produced_consistent_p (rule mp_rule, makefile make_file)
	static bool rule_multi_produced_consistent_p(rule mp_rule, makefile make_file) input : a rule that produces more than one resource and a the current makefile output : true if the others rules of the make file that produce at least one of the resource that mp_rule produces, produce exactly the same resources, or if no other rule produces the same resources. More...
static bool	rule_produced_consistent_p (rule rule_1, rule rule_2)
	static bool rule_produced_consistent_p(rule rule_1, rule_2) input : two rules output : true if they produce exactly the same resources, or if they produce no common resource. More...

Function Documentation

rule_multi_produced_consistent_p()

static bool rule_multi_produced_consistent_p ( rule  mp_rule, makefile  make_file  )

static

static bool rule_multi_produced_consistent_p(rule mp_rule, makefile make_file) input : a rule that produces more than one resource and a the current makefile output : true if the others rules of the make file that produce at least one of the resource that mp_rule produces, produce exactly the same resources, or if no other rule produces the same resources.

false otherwise. modifies : nothing comment :

Definition at line 36 of file activate_extensions_bc.c.

{
    static bool rule_produced_consistent_p(rule rule_1, rule rule_2);
    list all_rules = makefile_rules(make_file);
    rule c_rule = rule_undefined;
    bool consistent = true;
    
    
    while (consistent && !ENDP(all_rules)) {
        c_rule = RULE(CAR(all_rules));
 
        if ( (c_rule != mp_rule)
            && !rule_produced_consistent_p(mp_rule, c_rule))
            consistent = false;
        all_rules = CDR(all_rules);
    }
 
    return(consistent);
 
}

References CAR, CDR, ENDP, makefile_rules, RULE, rule_produced_consistent_p(), and rule_undefined.

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rule_produced_consistent_p()

static bool rule_produced_consistent_p ( rule  rule_1, rule  rule_2  )

static

static bool rule_produced_consistent_p(rule rule_1, rule_2) input : two rules output : true if they produce exactly the same resources, or if they produce no common resource.

false otherwise. modifies : nothing. comment :

Definition at line 67 of file activate_extensions_bc.c.

{
    list l_prod1 = rule_produced(rule_1);
    list l_prod2 = rule_produced(rule_2);
    list l2;
    bool consistent = true;
    bool first_common = true;
    bool first = true;
    bool same_length = (gen_length(l_prod1) == gen_length(l_prod2));
    string vr1, vr2;
 
    while (consistent && !ENDP(l_prod1)) {
        
        bool found = false;
        vr1 = virtual_resource_name(VIRTUAL_RESOURCE(CAR(l_prod1)));
        l2 = l_prod2;
 
        while (!found && !ENDP(l2)) {
            vr2 = virtual_resource_name(VIRTUAL_RESOURCE(CAR(l2)));
            if (same_string_p(vr1,vr2))
                found = true;
            else
                l2 = CDR(l2);
        }
 
        
        if (first && !found )  first_common = false;
        if (first) first = false;
 
        consistent = (first_common && found && same_length) || (!first_common && !found);
 
        l_prod1 = CDR(l_prod1);
    }
    return(consistent);
}

References CAR, CDR, ENDP, gen_length(), rule_produced, same_string_p, VIRTUAL_RESOURCE, and virtual_resource_name.

Referenced by rule_multi_produced_consistent_p().

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