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1
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#include "EXTERN.h" |
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2
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#include "perl.h" |
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3
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#include "callparser1.h" |
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4
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#include "XSUB.h" |
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5
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6
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#ifndef cv_clone |
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7
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#define cv_clone(a) Perl_cv_clone(aTHX_ a) |
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8
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#endif |
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9
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10
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10
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static SV *args_builder(U32 *flagsp) { |
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11
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I32 floor; |
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12
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CV *code; |
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13
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U8 errors; |
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14
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15
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10
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ENTER; |
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16
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17
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10
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PL_curcop = &PL_compiling; |
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18
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10
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SAVEVPTR(PL_op); |
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19
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10
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SAVEI8(PL_parser->error_count); |
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20
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10
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PL_parser->error_count = 0; |
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21
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22
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10
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floor = start_subparse(0, CVf_ANON); |
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23
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10
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code = newATTRSUB(floor, NULL, NULL, NULL, parse_args_list(flagsp)); |
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24
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10
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errors = PL_parser->error_count; |
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25
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26
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10
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LEAVE; |
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27
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10
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50
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if (errors) { |
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29
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0
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++PL_parser->error_count; |
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30
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0
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code = NULL; |
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31
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} |
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32
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else { |
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10
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100
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if ( CvROOT(code) == NULL ) { |
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34
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4
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code = NULL; |
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35
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} |
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36
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else { |
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37
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6
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50
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if (CvCLONE(code)) { |
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38
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6
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code = cv_clone(code); |
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39
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} |
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} |
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} |
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42
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43
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10
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100
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return code ? newRV_inc((SV*) code) : NULL; |
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44
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} |
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45
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46
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10
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static OP *parser_callback(pTHX_ GV *namegv, SV *psobj, U32 *flagsp) { |
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47
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10
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dSP; |
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48
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10
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50
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PUSHMARK(SP); |
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49
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10
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50
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mXPUSHs(args_builder(flagsp)); |
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50
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10
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PUTBACK; |
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51
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10
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call_sv(psobj, G_VOID); |
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52
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9
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SPAGAIN; |
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53
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9
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PUTBACK; |
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54
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9
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return newNULLLIST(); |
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55
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} |
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56
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57
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MODULE = BEGIN::Lift PACKAGE = BEGIN::Lift::Util |
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58
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59
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PROTOTYPES: DISABLE |
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60
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61
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void |
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62
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install_keyword_handler(keyword, handler) |
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63
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SV *keyword |
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64
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SV *handler |
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65
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CODE: |
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66
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7
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50
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if (SvTYPE(keyword) != SVt_RV && SvTYPE(SvRV(keyword)) != SVt_PVCV) { |
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0
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67
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0
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croak("'keyword' argument is not a CODE reference"); |
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68
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} |
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69
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7
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50
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if (SvTYPE(handler) != SVt_RV && SvTYPE(SvRV(handler)) != SVt_PVCV) { |
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0
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70
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0
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croak("'handler' argument is not a CODE reference"); |
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71
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} |
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72
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7
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cv_set_call_parser( (CV*) SvRV( keyword ), parser_callback, handler ); |
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73
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74
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75
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76
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77
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78
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79
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