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1 | #define PERL_NO_GET_CONTEXT |
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2 | #include "EXTERN.h" |
3 | #include "perl.h" |
4 | #include "XSUB.h" |
5 | |
6 | static cv_flags_t |
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7 | get_flag(char *attr) |
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8 | { |
9 | if (strnEQ(attr, "method", 6)) |
10 | return CVf_METHOD; |
11 | else if (strnEQ(attr, "locked", 6)) |
12 | return CVf_LOCKED; |
13 | else |
14 | return 0; |
15 | } |
16 | |
17 | MODULE = attrs PACKAGE = attrs |
18 | |
19 | void |
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20 | import(Class, ...) |
21 | char * Class |
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22 | ALIAS: |
23 | unimport = 1 |
24 | PREINIT: |
25 | int i; |
26 | CV *cv; |
27 | PPCODE: |
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28 | if (!PL_compcv || !(cv = CvOUTSIDE(PL_compcv))) |
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29 | croak("can't set attributes outside a subroutine scope"); |
30 | for (i = 1; i < items; i++) { |
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31 | STRLEN n_a; |
32 | char *attr = SvPV(ST(i), n_a); |
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33 | cv_flags_t flag = get_flag(attr); |
34 | if (!flag) |
35 | croak("invalid attribute name %s", attr); |
36 | if (ix) |
37 | CvFLAGS(cv) &= ~flag; |
38 | else |
39 | CvFLAGS(cv) |= flag; |
40 | } |
41 | |
42 | void |
43 | get(sub) |
44 | SV * sub |
45 | PPCODE: |
46 | if (SvROK(sub)) { |
47 | sub = SvRV(sub); |
48 | if (SvTYPE(sub) != SVt_PVCV) |
49 | sub = Nullsv; |
50 | } |
51 | else { |
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52 | STRLEN n_a; |
53 | char *name = SvPV(sub, n_a); |
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54 | sub = (SV*)perl_get_cv(name, FALSE); |
55 | } |
56 | if (!sub) |
57 | croak("invalid subroutine reference or name"); |
58 | if (CvFLAGS(sub) & CVf_METHOD) |
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59 | XPUSHs(sv_2mortal(newSVpvn("method", 6))); |
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60 | if (CvFLAGS(sub) & CVf_LOCKED) |
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61 | XPUSHs(sv_2mortal(newSVpvn("locked", 6))); |
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62 | |