1 | /* gv.h |
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2 | * |
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3 | * Copyright (c) 1991-2000, Larry Wall |
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4 | * |
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5 | * You may distribute under the terms of either the GNU General Public |
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6 | * License or the Artistic License, as specified in the README file. |
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7 | * |
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8 | */ |
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9 | |
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10 | struct gp { |
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11 | SV * gp_sv; /* scalar value */ |
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12 | U32 gp_refcnt; /* how many globs point to this? */ |
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13 | struct io * gp_io; /* filehandle value */ |
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14 | CV * gp_form; /* format value */ |
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15 | AV * gp_av; /* array value */ |
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16 | HV * gp_hv; /* hash value */ |
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17 | GV * gp_egv; /* effective gv, if *glob */ |
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18 | CV * gp_cv; /* subroutine value */ |
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19 | U32 gp_cvgen; /* generational validity of cached gv_cv */ |
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20 | U32 gp_flags; /* XXX unused */ |
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21 | line_t gp_line; /* line first declared at (for -w) */ |
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22 | char * gp_file; /* file first declared in (for -w) */ |
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23 | }; |
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24 | |
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25 | #if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286)) |
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26 | #define MICROPORT |
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27 | #endif |
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28 | |
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29 | #define GvXPVGV(gv) ((XPVGV*)SvANY(gv)) |
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30 | |
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31 | #define GvGP(gv) (GvXPVGV(gv)->xgv_gp) |
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32 | #define GvNAME(gv) (GvXPVGV(gv)->xgv_name) |
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33 | #define GvNAMELEN(gv) (GvXPVGV(gv)->xgv_namelen) |
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34 | #define GvSTASH(gv) (GvXPVGV(gv)->xgv_stash) |
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35 | #define GvFLAGS(gv) (GvXPVGV(gv)->xgv_flags) |
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36 | |
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37 | /* |
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38 | =for apidoc Am|SV*|GvSV|GV* gv |
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39 | |
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40 | Return the SV from the GV. |
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41 | |
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42 | =cut |
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43 | */ |
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44 | |
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45 | #define GvSV(gv) (GvGP(gv)->gp_sv) |
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46 | #define GvREFCNT(gv) (GvGP(gv)->gp_refcnt) |
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47 | #define GvIO(gv) ((gv) && SvTYPE((SV*)gv) == SVt_PVGV ? GvIOp(gv) : 0) |
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48 | #define GvIOp(gv) (GvGP(gv)->gp_io) |
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49 | #define GvIOn(gv) (GvIO(gv) ? GvIOp(gv) : GvIOp(gv_IOadd(gv))) |
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50 | |
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51 | #define GvFORM(gv) (GvGP(gv)->gp_form) |
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52 | #define GvAV(gv) (GvGP(gv)->gp_av) |
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53 | |
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54 | /* This macro is deprecated. Do not use! */ |
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55 | #define GvREFCNT_inc(gv) ((GV*)SvREFCNT_inc(gv)) /* DO NOT USE */ |
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56 | |
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57 | #ifdef MICROPORT /* Microport 2.4 hack */ |
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58 | AV *GvAVn(); |
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59 | #else |
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60 | #define GvAVn(gv) (GvGP(gv)->gp_av ? \ |
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61 | GvGP(gv)->gp_av : \ |
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62 | GvGP(gv_AVadd(gv))->gp_av) |
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63 | #endif |
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64 | #define GvHV(gv) ((GvGP(gv))->gp_hv) |
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65 | |
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66 | #ifdef MICROPORT /* Microport 2.4 hack */ |
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67 | HV *GvHVn(); |
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68 | #else |
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69 | #define GvHVn(gv) (GvGP(gv)->gp_hv ? \ |
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70 | GvGP(gv)->gp_hv : \ |
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71 | GvGP(gv_HVadd(gv))->gp_hv) |
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72 | #endif /* Microport 2.4 hack */ |
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73 | |
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74 | #define GvCV(gv) (GvGP(gv)->gp_cv) |
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75 | #define GvCVGEN(gv) (GvGP(gv)->gp_cvgen) |
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76 | #define GvCVu(gv) (GvGP(gv)->gp_cvgen ? Nullcv : GvGP(gv)->gp_cv) |
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77 | |
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78 | #define GvGPFLAGS(gv) (GvGP(gv)->gp_flags) |
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79 | |
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80 | #define GvLINE(gv) (GvGP(gv)->gp_line) |
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81 | #define GvFILE(gv) (GvGP(gv)->gp_file) |
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82 | #define GvFILEGV(gv) (gv_fetchfile(GvFILE(gv))) |
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83 | |
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84 | #define GvEGV(gv) (GvGP(gv)->gp_egv) |
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85 | #define GvENAME(gv) GvNAME(GvEGV(gv) ? GvEGV(gv) : gv) |
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86 | #define GvESTASH(gv) GvSTASH(GvEGV(gv) ? GvEGV(gv) : gv) |
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87 | |
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88 | #define GVf_INTRO 0x01 |
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89 | #define GVf_MULTI 0x02 |
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90 | #define GVf_ASSUMECV 0x04 |
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91 | #define GVf_IN_PAD 0x08 |
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92 | #define GVf_IMPORTED 0xF0 |
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93 | #define GVf_IMPORTED_SV 0x10 |
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94 | #define GVf_IMPORTED_AV 0x20 |
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95 | #define GVf_IMPORTED_HV 0x40 |
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96 | #define GVf_IMPORTED_CV 0x80 |
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97 | |
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98 | #define GvINTRO(gv) (GvFLAGS(gv) & GVf_INTRO) |
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99 | #define GvINTRO_on(gv) (GvFLAGS(gv) |= GVf_INTRO) |
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100 | #define GvINTRO_off(gv) (GvFLAGS(gv) &= ~GVf_INTRO) |
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101 | |
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102 | #define GvMULTI(gv) (GvFLAGS(gv) & GVf_MULTI) |
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103 | #define GvMULTI_on(gv) (GvFLAGS(gv) |= GVf_MULTI) |
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104 | #define GvMULTI_off(gv) (GvFLAGS(gv) &= ~GVf_MULTI) |
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105 | |
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106 | #define GvASSUMECV(gv) (GvFLAGS(gv) & GVf_ASSUMECV) |
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107 | #define GvASSUMECV_on(gv) (GvFLAGS(gv) |= GVf_ASSUMECV) |
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108 | #define GvASSUMECV_off(gv) (GvFLAGS(gv) &= ~GVf_ASSUMECV) |
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109 | |
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110 | #define GvIMPORTED(gv) (GvFLAGS(gv) & GVf_IMPORTED) |
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111 | #define GvIMPORTED_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED) |
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112 | #define GvIMPORTED_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED) |
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113 | |
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114 | #define GvIMPORTED_SV(gv) (GvFLAGS(gv) & GVf_IMPORTED_SV) |
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115 | #define GvIMPORTED_SV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_SV) |
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116 | #define GvIMPORTED_SV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_SV) |
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117 | |
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118 | #define GvIMPORTED_AV(gv) (GvFLAGS(gv) & GVf_IMPORTED_AV) |
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119 | #define GvIMPORTED_AV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_AV) |
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120 | #define GvIMPORTED_AV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_AV) |
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121 | |
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122 | #define GvIMPORTED_HV(gv) (GvFLAGS(gv) & GVf_IMPORTED_HV) |
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123 | #define GvIMPORTED_HV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_HV) |
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124 | #define GvIMPORTED_HV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_HV) |
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125 | |
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126 | #define GvIMPORTED_CV(gv) (GvFLAGS(gv) & GVf_IMPORTED_CV) |
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127 | #define GvIMPORTED_CV_on(gv) (GvFLAGS(gv) |= GVf_IMPORTED_CV) |
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128 | #define GvIMPORTED_CV_off(gv) (GvFLAGS(gv) &= ~GVf_IMPORTED_CV) |
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129 | |
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130 | #define GvIN_PAD(gv) (GvFLAGS(gv) & GVf_IN_PAD) |
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131 | #define GvIN_PAD_on(gv) (GvFLAGS(gv) |= GVf_IN_PAD) |
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132 | #define GvIN_PAD_off(gv) (GvFLAGS(gv) &= ~GVf_IN_PAD) |
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133 | |
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134 | #define Nullgv Null(GV*) |
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135 | |
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136 | #define DM_UID 0x003 |
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137 | #define DM_RUID 0x001 |
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138 | #define DM_EUID 0x002 |
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139 | #define DM_GID 0x030 |
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140 | #define DM_RGID 0x010 |
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141 | #define DM_EGID 0x020 |
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142 | #define DM_DELAY 0x100 |
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143 | |
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144 | /* |
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145 | * symbol creation flags, for use in gv_fetchpv() and get_*v() |
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146 | */ |
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147 | #define GV_ADD 0x01 /* add, if symbol not already there */ |
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148 | #define GV_ADDMULTI 0x02 /* add, pretending it has been added already */ |
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149 | #define GV_ADDWARN 0x04 /* add, but warn if symbol wasn't already there */ |
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150 | #define GV_ADDINEVAL 0x08 /* add, as though we're doing so within an eval */ |
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151 | #define GV_NOINIT 0x10 /* add, but don't init symbol, if type != PVGV */ |
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