7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 */
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8 /*
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9 * if_perl.xs: Main code for Perl interface support.
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10 * Mostly written by Sven Verdoolaege.
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11 */
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12
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13 #define _memory_h /* avoid memset redeclaration */
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14 #define IN_PERL_FILE /* don't include if_perl.pro from proto.h */
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15
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16 #include "vim.h"
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17
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18
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19 /*
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20 * Work around clashes between Perl and Vim namespace. proto.h doesn't
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21 * include if_perl.pro and perlsfio.pro when IN_PERL_FILE is defined, because
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22 * we need the CV typedef. proto.h can't be moved to after including
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23 * if_perl.h, because we get all sorts of name clashes then.
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24 */
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25 #ifndef PROTO
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26 #ifndef __MINGW32__
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27 # include "proto/if_perl.pro"
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28 # include "proto/if_perlsfio.pro"
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29 #endif
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30 #endif
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31
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32 /* Perl compatibility stuff. This should ensure compatibility with older
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33 * versions of Perl.
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34 */
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35
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36 #ifndef PERL_VERSION
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37 # include <patchlevel.h>
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38 # define PERL_REVISION 5
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39 # define PERL_VERSION PATCHLEVEL
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40 # define PERL_SUBVERSION SUBVERSION
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41 #endif
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42
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1387
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43 /*
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44 * Quoting Jan Dubois of Active State:
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45 * ActivePerl build 822 still identifies itself as 5.8.8 but already
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46 * contains many of the changes from the upcoming Perl 5.8.9 release.
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47 *
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48 * The changes include addition of two symbols (Perl_sv_2iv_flags,
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49 * Perl_newXS_flags) not present in earlier releases.
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50 *
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51 * Jan Dubois suggested the following guarding scheme:
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52 */
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53 #if (ACTIVEPERL_VERSION >= 822)
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54 # define PERL589_OR_LATER
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55 #endif
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56 #if (PERL_REVISION == 5) && (PERL_VERSION == 8) && (PERL_SUBVERSION >= 9)
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57 # define PERL589_OR_LATER
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58 #endif
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59 #if (PERL_REVISION == 5) && (PERL_VERSION >= 9)
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60 # define PERL589_OR_LATER
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61 #endif
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62
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7
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63 #ifndef pTHX
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64 # define pTHX void
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65 # define pTHX_
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66 #endif
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67
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68 #ifndef EXTERN_C
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69 # define EXTERN_C
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70 #endif
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71
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72 /* Compatibility hacks over */
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73
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74 static PerlInterpreter *perl_interp = NULL;
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75 static void xs_init __ARGS((pTHX));
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76 static void VIM_init __ARGS((void));
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77 EXTERN_C void boot_DynaLoader __ARGS((pTHX_ CV*));
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78
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79 /*
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80 * For dynamic linked perl. (Windows)
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81 */
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82 #if defined(DYNAMIC_PERL) || defined(PROTO)
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83 /*
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84 * Wrapper defines
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85 */
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86 # define perl_alloc dll_perl_alloc
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87 # define perl_construct dll_perl_construct
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88 # define perl_parse dll_perl_parse
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89 # define perl_run dll_perl_run
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90 # define perl_destruct dll_perl_destruct
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91 # define perl_free dll_perl_free
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92 # define Perl_get_context dll_Perl_get_context
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93 # define Perl_croak dll_Perl_croak
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94 # ifndef PROTO
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95 # define Perl_croak_nocontext dll_Perl_croak_nocontext
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96 # define Perl_call_argv dll_Perl_call_argv
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97 # define Perl_call_pv dll_Perl_call_pv
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98 # define Perl_eval_sv dll_Perl_eval_sv
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99 # define Perl_get_sv dll_Perl_get_sv
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100 # define Perl_eval_pv dll_Perl_eval_pv
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101 # define Perl_call_method dll_Perl_call_method
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102 # endif
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103 # define Perl_dowantarray dll_Perl_dowantarray
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104 # define Perl_free_tmps dll_Perl_free_tmps
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105 # define Perl_gv_stashpv dll_Perl_gv_stashpv
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106 # define Perl_markstack_grow dll_Perl_markstack_grow
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107 # define Perl_mg_find dll_Perl_mg_find
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108 # define Perl_newXS dll_Perl_newXS
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109 # define Perl_newSV dll_Perl_newSV
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110 # define Perl_newSViv dll_Perl_newSViv
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111 # define Perl_newSVpv dll_Perl_newSVpv
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112 # define Perl_pop_scope dll_Perl_pop_scope
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113 # define Perl_push_scope dll_Perl_push_scope
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114 # define Perl_save_int dll_Perl_save_int
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115 # define Perl_stack_grow dll_Perl_stack_grow
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116 # define Perl_set_context dll_Perl_set_context
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117 # define Perl_sv_2bool dll_Perl_sv_2bool
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118 # define Perl_sv_2iv dll_Perl_sv_2iv
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119 # define Perl_sv_2mortal dll_Perl_sv_2mortal
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120 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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121 # define Perl_sv_2pv_flags dll_Perl_sv_2pv_flags
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122 # define Perl_sv_2pv_nolen dll_Perl_sv_2pv_nolen
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123 # else
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124 # define Perl_sv_2pv dll_Perl_sv_2pv
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125 # endif
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126 # define Perl_sv_bless dll_Perl_sv_bless
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127 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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128 # define Perl_sv_catpvn_flags dll_Perl_sv_catpvn_flags
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129 # else
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130 # define Perl_sv_catpvn dll_Perl_sv_catpvn
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131 # endif
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1387
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132 #ifdef PERL589_OR_LATER
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133 # define Perl_sv_2iv_flags dll_Perl_sv_2iv_flags
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134 # define Perl_newXS_flags dll_Perl_newXS_flags
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135 #endif
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7
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136 # define Perl_sv_free dll_Perl_sv_free
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137 # define Perl_sv_isa dll_Perl_sv_isa
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138 # define Perl_sv_magic dll_Perl_sv_magic
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139 # define Perl_sv_setiv dll_Perl_sv_setiv
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140 # define Perl_sv_setpv dll_Perl_sv_setpv
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141 # define Perl_sv_setpvn dll_Perl_sv_setpvn
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142 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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143 # define Perl_sv_setsv_flags dll_Perl_sv_setsv_flags
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144 # else
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145 # define Perl_sv_setsv dll_Perl_sv_setsv
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146 # endif
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147 # define Perl_sv_upgrade dll_Perl_sv_upgrade
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148 # define Perl_Tstack_sp_ptr dll_Perl_Tstack_sp_ptr
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149 # define Perl_Top_ptr dll_Perl_Top_ptr
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150 # define Perl_Tstack_base_ptr dll_Perl_Tstack_base_ptr
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151 # define Perl_Tstack_max_ptr dll_Perl_Tstack_max_ptr
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152 # define Perl_Ttmps_ix_ptr dll_Perl_Ttmps_ix_ptr
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153 # define Perl_Ttmps_floor_ptr dll_Perl_Ttmps_floor_ptr
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154 # define Perl_Tmarkstack_ptr_ptr dll_Perl_Tmarkstack_ptr_ptr
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155 # define Perl_Tmarkstack_max_ptr dll_Perl_Tmarkstack_max_ptr
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156 # define Perl_TSv_ptr dll_Perl_TSv_ptr
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157 # define Perl_TXpv_ptr dll_Perl_TXpv_ptr
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158 # define Perl_Tna_ptr dll_Perl_Tna_ptr
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159 # define Perl_Idefgv_ptr dll_Perl_Idefgv_ptr
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160 # define Perl_Ierrgv_ptr dll_Perl_Ierrgv_ptr
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161 # define Perl_Isv_yes_ptr dll_Perl_Isv_yes_ptr
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162 # define boot_DynaLoader dll_boot_DynaLoader
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163
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164 #ifndef DYNAMIC_PERL /* just generating prototypes */
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165 typedef int HANDLE;
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166 typedef int XSINIT_t;
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167 typedef int XSUBADDR_t;
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168 #endif
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169
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170 /*
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171 * Declare HANDLE for perl.dll and function pointers.
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172 */
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173 static HANDLE hPerlLib = NULL;
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174
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175 static PerlInterpreter* (*perl_alloc)();
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176 static void (*perl_construct)(PerlInterpreter*);
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177 static void (*perl_destruct)(PerlInterpreter*);
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178 static void (*perl_free)(PerlInterpreter*);
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179 static int (*perl_run)(PerlInterpreter*);
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180 static int (*perl_parse)(PerlInterpreter*, XSINIT_t, int, char**, char**);
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181 static void* (*Perl_get_context)(void);
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933
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182 static void (*Perl_croak)(pTHX_ const char*, ...);
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183 static void (*Perl_croak_nocontext)(const char*, ...);
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7
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184 static I32 (*Perl_dowantarray)(pTHX);
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185 static void (*Perl_free_tmps)(pTHX);
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186 static HV* (*Perl_gv_stashpv)(pTHX_ const char*, I32);
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187 static void (*Perl_markstack_grow)(pTHX);
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188 static MAGIC* (*Perl_mg_find)(pTHX_ SV*, int);
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189 static CV* (*Perl_newXS)(pTHX_ char*, XSUBADDR_t, char*);
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190 static SV* (*Perl_newSV)(pTHX_ STRLEN);
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191 static SV* (*Perl_newSViv)(pTHX_ IV);
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192 static SV* (*Perl_newSVpv)(pTHX_ const char*, STRLEN);
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193 static I32 (*Perl_call_argv)(pTHX_ const char*, I32, char**);
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194 static I32 (*Perl_call_pv)(pTHX_ const char*, I32);
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195 static I32 (*Perl_eval_sv)(pTHX_ SV*, I32);
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196 static SV* (*Perl_get_sv)(pTHX_ const char*, I32);
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197 static SV* (*Perl_eval_pv)(pTHX_ const char*, I32);
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198 static SV* (*Perl_call_method)(pTHX_ const char*, I32);
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199 static void (*Perl_pop_scope)(pTHX);
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200 static void (*Perl_push_scope)(pTHX);
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201 static void (*Perl_save_int)(pTHX_ int*);
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202 static SV** (*Perl_stack_grow)(pTHX_ SV**, SV**p, int);
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203 static SV** (*Perl_set_context)(void*);
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204 static bool (*Perl_sv_2bool)(pTHX_ SV*);
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205 static IV (*Perl_sv_2iv)(pTHX_ SV*);
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206 static SV* (*Perl_sv_2mortal)(pTHX_ SV*);
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207 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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208 static char* (*Perl_sv_2pv_flags)(pTHX_ SV*, STRLEN*, I32);
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209 static char* (*Perl_sv_2pv_nolen)(pTHX_ SV*);
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210 #else
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211 static char* (*Perl_sv_2pv)(pTHX_ SV*, STRLEN*);
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212 #endif
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213 static SV* (*Perl_sv_bless)(pTHX_ SV*, HV*);
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214 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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215 static void (*Perl_sv_catpvn_flags)(pTHX_ SV* , const char*, STRLEN, I32);
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216 #else
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217 static void (*Perl_sv_catpvn)(pTHX_ SV*, const char*, STRLEN);
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218 #endif
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1387
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219 #ifdef PERL589_OR_LATER
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220 static IV (*Perl_sv_2iv_flags)(pTHX_ SV* sv, I32 flags);
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221 static CV * (*Perl_newXS_flags)(pTHX_ const char *name, XSUBADDR_t subaddr, const char *const filename, const char *const proto, U32 flags);
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222 #endif
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7
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223 static void (*Perl_sv_free)(pTHX_ SV*);
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224 static int (*Perl_sv_isa)(pTHX_ SV*, const char*);
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225 static void (*Perl_sv_magic)(pTHX_ SV*, SV*, int, const char*, I32);
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226 static void (*Perl_sv_setiv)(pTHX_ SV*, IV);
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227 static void (*Perl_sv_setpv)(pTHX_ SV*, const char*);
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228 static void (*Perl_sv_setpvn)(pTHX_ SV*, const char*, STRLEN);
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229 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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230 static void (*Perl_sv_setsv_flags)(pTHX_ SV*, SV*, I32);
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231 #else
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232 static void (*Perl_sv_setsv)(pTHX_ SV*, SV*);
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233 #endif
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234 static bool (*Perl_sv_upgrade)(pTHX_ SV*, U32);
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235 static SV*** (*Perl_Tstack_sp_ptr)(register PerlInterpreter*);
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236 static OP** (*Perl_Top_ptr)(register PerlInterpreter*);
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237 static SV*** (*Perl_Tstack_base_ptr)(register PerlInterpreter*);
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238 static SV*** (*Perl_Tstack_max_ptr)(register PerlInterpreter*);
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239 static I32* (*Perl_Ttmps_ix_ptr)(register PerlInterpreter*);
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240 static I32* (*Perl_Ttmps_floor_ptr)(register PerlInterpreter*);
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241 static I32** (*Perl_Tmarkstack_ptr_ptr)(register PerlInterpreter*);
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242 static I32** (*Perl_Tmarkstack_max_ptr)(register PerlInterpreter*);
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243 static SV** (*Perl_TSv_ptr)(register PerlInterpreter*);
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244 static XPV** (*Perl_TXpv_ptr)(register PerlInterpreter*);
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245 static STRLEN* (*Perl_Tna_ptr)(register PerlInterpreter*);
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246 static GV** (*Perl_Idefgv_ptr)(register PerlInterpreter*);
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247 static GV** (*Perl_Ierrgv_ptr)(register PerlInterpreter*);
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248 static SV* (*Perl_Isv_yes_ptr)(register PerlInterpreter*);
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249 static void (*boot_DynaLoader)_((pTHX_ CV*));
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250
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251
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252 /*
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253 * Table of name to function pointer of perl.
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254 */
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255 #define PERL_PROC FARPROC
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256 static struct {
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257 char* name;
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258 PERL_PROC* ptr;
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259 } perl_funcname_table[] = {
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260 {"perl_alloc", (PERL_PROC*)&perl_alloc},
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261 {"perl_construct", (PERL_PROC*)&perl_construct},
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262 {"perl_destruct", (PERL_PROC*)&perl_destruct},
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263 {"perl_free", (PERL_PROC*)&perl_free},
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264 {"perl_run", (PERL_PROC*)&perl_run},
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265 {"perl_parse", (PERL_PROC*)&perl_parse},
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266 {"Perl_get_context", (PERL_PROC*)&Perl_get_context},
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267 {"Perl_croak", (PERL_PROC*)&Perl_croak},
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268 {"Perl_croak_nocontext", (PERL_PROC*)&Perl_croak_nocontext},
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269 {"Perl_dowantarray", (PERL_PROC*)&Perl_dowantarray},
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270 {"Perl_free_tmps", (PERL_PROC*)&Perl_free_tmps},
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271 {"Perl_gv_stashpv", (PERL_PROC*)&Perl_gv_stashpv},
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272 {"Perl_markstack_grow", (PERL_PROC*)&Perl_markstack_grow},
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273 {"Perl_mg_find", (PERL_PROC*)&Perl_mg_find},
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274 {"Perl_newXS", (PERL_PROC*)&Perl_newXS},
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275 {"Perl_newSV", (PERL_PROC*)&Perl_newSV},
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276 {"Perl_newSViv", (PERL_PROC*)&Perl_newSViv},
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277 {"Perl_newSVpv", (PERL_PROC*)&Perl_newSVpv},
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278 {"Perl_call_argv", (PERL_PROC*)&Perl_call_argv},
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279 {"Perl_call_pv", (PERL_PROC*)&Perl_call_pv},
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280 {"Perl_eval_sv", (PERL_PROC*)&Perl_eval_sv},
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281 {"Perl_get_sv", (PERL_PROC*)&Perl_get_sv},
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282 {"Perl_eval_pv", (PERL_PROC*)&Perl_eval_pv},
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283 {"Perl_call_method", (PERL_PROC*)&Perl_call_method},
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284 {"Perl_pop_scope", (PERL_PROC*)&Perl_pop_scope},
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285 {"Perl_push_scope", (PERL_PROC*)&Perl_push_scope},
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286 {"Perl_save_int", (PERL_PROC*)&Perl_save_int},
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287 {"Perl_stack_grow", (PERL_PROC*)&Perl_stack_grow},
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288 {"Perl_set_context", (PERL_PROC*)&Perl_set_context},
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289 {"Perl_sv_2bool", (PERL_PROC*)&Perl_sv_2bool},
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290 {"Perl_sv_2iv", (PERL_PROC*)&Perl_sv_2iv},
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291 {"Perl_sv_2mortal", (PERL_PROC*)&Perl_sv_2mortal},
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292 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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293 {"Perl_sv_2pv_flags", (PERL_PROC*)&Perl_sv_2pv_flags},
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294 {"Perl_sv_2pv_nolen", (PERL_PROC*)&Perl_sv_2pv_nolen},
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295 #else
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296 {"Perl_sv_2pv", (PERL_PROC*)&Perl_sv_2pv},
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297 #endif
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1387
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298 #ifdef PERL589_OR_LATER
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299 {"Perl_sv_2iv_flags", (PERL_PROC*)&Perl_sv_2iv_flags},
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300 {"Perl_newXS_flags", (PERL_PROC*)&Perl_newXS_flags},
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301 #endif
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7
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302 {"Perl_sv_bless", (PERL_PROC*)&Perl_sv_bless},
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303 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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304 {"Perl_sv_catpvn_flags", (PERL_PROC*)&Perl_sv_catpvn_flags},
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305 #else
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306 {"Perl_sv_catpvn", (PERL_PROC*)&Perl_sv_catpvn},
|
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307 #endif
|
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308 {"Perl_sv_free", (PERL_PROC*)&Perl_sv_free},
|
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309 {"Perl_sv_isa", (PERL_PROC*)&Perl_sv_isa},
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310 {"Perl_sv_magic", (PERL_PROC*)&Perl_sv_magic},
|
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311 {"Perl_sv_setiv", (PERL_PROC*)&Perl_sv_setiv},
|
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312 {"Perl_sv_setpv", (PERL_PROC*)&Perl_sv_setpv},
|
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313 {"Perl_sv_setpvn", (PERL_PROC*)&Perl_sv_setpvn},
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314 #if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
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315 {"Perl_sv_setsv_flags", (PERL_PROC*)&Perl_sv_setsv_flags},
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316 #else
|
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317 {"Perl_sv_setsv", (PERL_PROC*)&Perl_sv_setsv},
|
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318 #endif
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319 {"Perl_sv_upgrade", (PERL_PROC*)&Perl_sv_upgrade},
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320 {"Perl_Tstack_sp_ptr", (PERL_PROC*)&Perl_Tstack_sp_ptr},
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321 {"Perl_Top_ptr", (PERL_PROC*)&Perl_Top_ptr},
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322 {"Perl_Tstack_base_ptr", (PERL_PROC*)&Perl_Tstack_base_ptr},
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323 {"Perl_Tstack_max_ptr", (PERL_PROC*)&Perl_Tstack_max_ptr},
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324 {"Perl_Ttmps_ix_ptr", (PERL_PROC*)&Perl_Ttmps_ix_ptr},
|
|
325 {"Perl_Ttmps_floor_ptr", (PERL_PROC*)&Perl_Ttmps_floor_ptr},
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326 {"Perl_Tmarkstack_ptr_ptr", (PERL_PROC*)&Perl_Tmarkstack_ptr_ptr},
|
|
327 {"Perl_Tmarkstack_max_ptr", (PERL_PROC*)&Perl_Tmarkstack_max_ptr},
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|
328 {"Perl_TSv_ptr", (PERL_PROC*)&Perl_TSv_ptr},
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329 {"Perl_TXpv_ptr", (PERL_PROC*)&Perl_TXpv_ptr},
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330 {"Perl_Tna_ptr", (PERL_PROC*)&Perl_Tna_ptr},
|
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331 {"Perl_Idefgv_ptr", (PERL_PROC*)&Perl_Idefgv_ptr},
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|
332 {"Perl_Ierrgv_ptr", (PERL_PROC*)&Perl_Ierrgv_ptr},
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333 {"Perl_Isv_yes_ptr", (PERL_PROC*)&Perl_Isv_yes_ptr},
|
|
334 {"boot_DynaLoader", (PERL_PROC*)&boot_DynaLoader},
|
|
335 {"", NULL},
|
|
336 };
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337
|
|
338 /*
|
|
339 * Make all runtime-links of perl.
|
|
340 *
|
|
341 * 1. Get module handle using LoadLibraryEx.
|
|
342 * 2. Get pointer to perl function by GetProcAddress.
|
|
343 * 3. Repeat 2, until get all functions will be used.
|
|
344 *
|
|
345 * Parameter 'libname' provides name of DLL.
|
|
346 * Return OK or FAIL.
|
|
347 */
|
|
348 static int
|
|
349 perl_runtime_link_init(char *libname, int verbose)
|
|
350 {
|
|
351 int i;
|
|
352
|
|
353 if (hPerlLib != NULL)
|
|
354 return OK;
|
|
355 if (!(hPerlLib = LoadLibraryEx(libname, NULL, 0)))
|
|
356 {
|
|
357 if (verbose)
|
|
358 EMSG2(_("E370: Could not load library %s"), libname);
|
|
359 return FAIL;
|
|
360 }
|
|
361 for (i = 0; perl_funcname_table[i].ptr; ++i)
|
|
362 {
|
|
363 if (!(*perl_funcname_table[i].ptr = GetProcAddress(hPerlLib,
|
|
364 perl_funcname_table[i].name)))
|
|
365 {
|
|
366 FreeLibrary(hPerlLib);
|
|
367 hPerlLib = NULL;
|
|
368 if (verbose)
|
|
369 EMSG2(_(e_loadfunc), perl_funcname_table[i].name);
|
|
370 return FAIL;
|
|
371 }
|
|
372 }
|
|
373 return OK;
|
|
374 }
|
|
375
|
|
376 /*
|
|
377 * If runtime-link-perl(DLL) was loaded successfully, return TRUE.
|
|
378 * There were no DLL loaded, return FALSE.
|
|
379 */
|
|
380 int
|
|
381 perl_enabled(verbose)
|
|
382 int verbose;
|
|
383 {
|
|
384 return perl_runtime_link_init(DYNAMIC_PERL_DLL, verbose) == OK;
|
|
385 }
|
|
386 #endif /* DYNAMIC_PERL */
|
|
387
|
|
388 /*
|
|
389 * perl_init(): initialize perl interpreter
|
|
390 * We have to call perl_parse to initialize some structures,
|
|
391 * there's nothing to actually parse.
|
|
392 */
|
|
393 static void
|
|
394 perl_init()
|
|
395 {
|
|
396 char *bootargs[] = { "VI", NULL };
|
|
397 static char *args[] = { "", "-e", "" };
|
|
398
|
|
399 perl_interp = perl_alloc();
|
|
400 perl_construct(perl_interp);
|
|
401 perl_parse(perl_interp, xs_init, 3, args, 0);
|
|
402 perl_call_argv("VIM::bootstrap", (long)G_DISCARD, bootargs);
|
|
403 VIM_init();
|
|
404 #ifdef USE_SFIO
|
|
405 sfdisc(PerlIO_stdout(), sfdcnewvim());
|
|
406 sfdisc(PerlIO_stderr(), sfdcnewvim());
|
|
407 sfsetbuf(PerlIO_stdout(), NULL, 0);
|
|
408 sfsetbuf(PerlIO_stderr(), NULL, 0);
|
|
409 #endif
|
|
410 }
|
|
411
|
|
412 /*
|
|
413 * perl_end(): clean up after ourselves
|
|
414 */
|
|
415 void
|
|
416 perl_end()
|
|
417 {
|
|
418 if (perl_interp)
|
|
419 {
|
|
420 perl_run(perl_interp);
|
|
421 perl_destruct(perl_interp);
|
|
422 perl_free(perl_interp);
|
|
423 perl_interp = NULL;
|
|
424 }
|
|
425 #ifdef DYNAMIC_PERL
|
|
426 if (hPerlLib)
|
|
427 {
|
|
428 FreeLibrary(hPerlLib);
|
|
429 hPerlLib = NULL;
|
|
430 }
|
|
431 #endif
|
|
432 }
|
|
433
|
|
434 /*
|
|
435 * msg_split(): send a message to the message handling routines
|
|
436 * split at '\n' first though.
|
|
437 */
|
|
438 void
|
|
439 msg_split(s, attr)
|
|
440 char_u *s;
|
|
441 int attr; /* highlighting attributes */
|
|
442 {
|
|
443 char *next;
|
|
444 char *token = (char *)s;
|
|
445
|
|
446 while ((next = strchr(token, '\n')))
|
|
447 {
|
|
448 *next++ = '\0'; /* replace \n with \0 */
|
|
449 msg_attr((char_u *)token, attr);
|
|
450 token = next;
|
|
451 }
|
|
452 if (*token)
|
|
453 msg_attr((char_u *)token, attr);
|
|
454 }
|
|
455
|
|
456 #ifndef FEAT_EVAL
|
|
457 /*
|
|
458 * This stub is needed because an "#ifdef FEAT_EVAL" around Eval() doesn't
|
|
459 * work properly.
|
|
460 */
|
|
461 char_u *
|
714
|
462 eval_to_string(arg, nextcmd, dolist)
|
7
|
463 char_u *arg;
|
|
464 char_u **nextcmd;
|
714
|
465 int dolist;
|
7
|
466 {
|
|
467 return NULL;
|
|
468 }
|
|
469 #endif
|
|
470
|
|
471 /*
|
|
472 * Create a new reference to an SV pointing to the SCR structure
|
502
|
473 * The b_perl_private/w_perl_private part of the SCR structure points to the
|
|
474 * SV, so there can only be one such SV for a particular SCR structure. When
|
|
475 * the last reference has gone (DESTROY is called),
|
|
476 * b_perl_private/w_perl_private is reset; When the screen goes away before
|
7
|
477 * all references are gone, the value of the SV is reset;
|
|
478 * any subsequent use of any of those reference will produce
|
|
479 * a warning. (see typemap)
|
|
480 */
|
502
|
481
|
|
482 static SV *
|
|
483 newWINrv(rv, ptr)
|
|
484 SV *rv;
|
|
485 win_T *ptr;
|
|
486 {
|
|
487 sv_upgrade(rv, SVt_RV);
|
|
488 if (ptr->w_perl_private == NULL)
|
|
489 {
|
|
490 ptr->w_perl_private = newSV(0);
|
|
491 sv_setiv(ptr->w_perl_private, (IV)ptr);
|
|
492 }
|
|
493 else
|
|
494 SvREFCNT_inc(ptr->w_perl_private);
|
|
495 SvRV(rv) = ptr->w_perl_private;
|
|
496 SvROK_on(rv);
|
|
497 return sv_bless(rv, gv_stashpv("VIWIN", TRUE));
|
7
|
498 }
|
|
499
|
502
|
500 static SV *
|
|
501 newBUFrv(rv, ptr)
|
|
502 SV *rv;
|
|
503 buf_T *ptr;
|
|
504 {
|
|
505 sv_upgrade(rv, SVt_RV);
|
|
506 if (ptr->b_perl_private == NULL)
|
|
507 {
|
|
508 ptr->b_perl_private = newSV(0);
|
|
509 sv_setiv(ptr->b_perl_private, (IV)ptr);
|
|
510 }
|
|
511 else
|
|
512 SvREFCNT_inc(ptr->b_perl_private);
|
|
513 SvRV(rv) = ptr->b_perl_private;
|
|
514 SvROK_on(rv);
|
|
515 return sv_bless(rv, gv_stashpv("VIBUF", TRUE));
|
|
516 }
|
7
|
517
|
|
518 /*
|
|
519 * perl_win_free
|
|
520 * Remove all refences to the window to be destroyed
|
|
521 */
|
|
522 void
|
|
523 perl_win_free(wp)
|
|
524 win_T *wp;
|
|
525 {
|
502
|
526 if (wp->w_perl_private)
|
|
527 sv_setiv((SV *)wp->w_perl_private, 0);
|
7
|
528 return;
|
|
529 }
|
|
530
|
|
531 void
|
|
532 perl_buf_free(bp)
|
|
533 buf_T *bp;
|
|
534 {
|
502
|
535 if (bp->b_perl_private)
|
|
536 sv_setiv((SV *)bp->b_perl_private, 0);
|
7
|
537 return;
|
|
538 }
|
|
539
|
|
540 #ifndef PROTO
|
|
541 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
|
|
542 I32 cur_val(pTHX_ IV iv, SV *sv);
|
|
543 # else
|
|
544 I32 cur_val(IV iv, SV *sv);
|
|
545 #endif
|
|
546
|
|
547 /*
|
|
548 * Handler for the magic variables $main::curwin and $main::curbuf.
|
|
549 * The handler is put into the magic vtbl for these variables.
|
|
550 * (This is effectively a C-level equivalent of a tied variable).
|
|
551 * There is no "set" function as the variables are read-only.
|
|
552 */
|
|
553 # if (PERL_REVISION == 5) && (PERL_VERSION >= 8)
|
|
554 I32 cur_val(pTHX_ IV iv, SV *sv)
|
|
555 # else
|
|
556 I32 cur_val(IV iv, SV *sv)
|
|
557 # endif
|
|
558 {
|
|
559 SV *rv;
|
|
560 if (iv == 0)
|
|
561 rv = newWINrv(newSV(0), curwin);
|
|
562 else
|
|
563 rv = newBUFrv(newSV(0), curbuf);
|
|
564 sv_setsv(sv, rv);
|
|
565 return 0;
|
|
566 }
|
|
567 #endif /* !PROTO */
|
|
568
|
|
569 struct ufuncs cw_funcs = { cur_val, 0, 0 };
|
|
570 struct ufuncs cb_funcs = { cur_val, 0, 1 };
|
|
571
|
|
572 /*
|
|
573 * VIM_init(): Vim-specific initialisation.
|
|
574 * Make the magical main::curwin and main::curbuf variables
|
|
575 */
|
|
576 static void
|
|
577 VIM_init()
|
|
578 {
|
|
579 static char cw[] = "main::curwin";
|
|
580 static char cb[] = "main::curbuf";
|
|
581 SV *sv;
|
|
582
|
|
583 sv = perl_get_sv(cw, TRUE);
|
|
584 sv_magic(sv, NULL, 'U', (char *)&cw_funcs, sizeof(cw_funcs));
|
|
585 SvREADONLY_on(sv);
|
|
586
|
|
587 sv = perl_get_sv(cb, TRUE);
|
|
588 sv_magic(sv, NULL, 'U', (char *)&cb_funcs, sizeof(cb_funcs));
|
|
589 SvREADONLY_on(sv);
|
|
590
|
|
591 /*
|
|
592 * Setup the Safe compartment.
|
|
593 * It shouldn't be a fatal error if the Safe module is missing.
|
|
594 * XXX: Only shares the 'Msg' routine (which has to be called
|
|
595 * like 'Msg(...)').
|
|
596 */
|
|
597 (void)perl_eval_pv( "if ( eval( 'require Safe' ) ) { $VIM::safe = Safe->new(); $VIM::safe->share_from( 'VIM', ['Msg'] ); }", G_DISCARD | G_VOID );
|
|
598
|
|
599 }
|
|
600
|
|
601 #ifdef DYNAMIC_PERL
|
|
602 static char *e_noperl = N_("Sorry, this command is disabled: the Perl library could not be loaded.");
|
|
603 #endif
|
|
604
|
|
605 /*
|
|
606 * ":perl"
|
|
607 */
|
|
608 void
|
|
609 ex_perl(eap)
|
|
610 exarg_T *eap;
|
|
611 {
|
|
612 char *err;
|
|
613 char *script;
|
|
614 STRLEN length;
|
|
615 SV *sv;
|
|
616 SV *safe;
|
|
617
|
|
618 script = (char *)script_get(eap, eap->arg);
|
|
619 if (eap->skip)
|
|
620 {
|
|
621 vim_free(script);
|
|
622 return;
|
|
623 }
|
|
624
|
|
625 if (perl_interp == NULL)
|
|
626 {
|
|
627 #ifdef DYNAMIC_PERL
|
|
628 if (!perl_enabled(TRUE))
|
|
629 {
|
|
630 EMSG(_(e_noperl));
|
|
631 vim_free(script);
|
|
632 return;
|
|
633 }
|
|
634 #endif
|
|
635 perl_init();
|
|
636 }
|
|
637
|
|
638 {
|
|
639 dSP;
|
|
640 ENTER;
|
|
641 SAVETMPS;
|
|
642
|
|
643 if (script == NULL)
|
|
644 sv = newSVpv((char *)eap->arg, 0);
|
|
645 else
|
|
646 {
|
|
647 sv = newSVpv(script, 0);
|
|
648 vim_free(script);
|
|
649 }
|
|
650
|
|
651 #ifdef HAVE_SANDBOX
|
|
652 if (sandbox)
|
|
653 {
|
|
654 if ((safe = perl_get_sv( "VIM::safe", FALSE )) == NULL || !SvTRUE(safe))
|
|
655 EMSG(_("E299: Perl evaluation forbidden in sandbox without the Safe module"));
|
|
656 else
|
|
657 {
|
|
658 PUSHMARK(SP);
|
|
659 XPUSHs(safe);
|
|
660 XPUSHs(sv);
|
|
661 PUTBACK;
|
|
662 perl_call_method("reval", G_DISCARD);
|
|
663 }
|
|
664 }
|
|
665 else
|
|
666 #endif
|
|
667 perl_eval_sv(sv, G_DISCARD | G_NOARGS);
|
|
668
|
|
669 SvREFCNT_dec(sv);
|
|
670
|
|
671 err = SvPV(GvSV(PL_errgv), length);
|
|
672
|
|
673 FREETMPS;
|
|
674 LEAVE;
|
|
675
|
|
676 if (!length)
|
|
677 return;
|
|
678
|
|
679 msg_split((char_u *)err, highlight_attr[HLF_E]);
|
|
680 return;
|
|
681 }
|
|
682 }
|
|
683
|
|
684 static int
|
|
685 replace_line(line, end)
|
|
686 linenr_T *line, *end;
|
|
687 {
|
|
688 char *str;
|
|
689
|
|
690 if (SvOK(GvSV(PL_defgv)))
|
|
691 {
|
|
692 str = SvPV(GvSV(PL_defgv), PL_na);
|
|
693 ml_replace(*line, (char_u *)str, 1);
|
|
694 changed_bytes(*line, 0);
|
|
695 }
|
|
696 else
|
|
697 {
|
|
698 ml_delete(*line, FALSE);
|
|
699 deleted_lines_mark(*line, 1L);
|
|
700 --(*end);
|
|
701 --(*line);
|
|
702 }
|
|
703 return OK;
|
|
704 }
|
|
705
|
|
706 /*
|
|
707 * ":perldo".
|
|
708 */
|
|
709 void
|
|
710 ex_perldo(eap)
|
|
711 exarg_T *eap;
|
|
712 {
|
|
713 STRLEN length;
|
|
714 SV *sv;
|
|
715 char *str;
|
|
716 linenr_T i;
|
|
717
|
|
718 if (bufempty())
|
|
719 return;
|
|
720
|
|
721 if (perl_interp == NULL)
|
|
722 {
|
|
723 #ifdef DYNAMIC_PERL
|
|
724 if (!perl_enabled(TRUE))
|
|
725 {
|
|
726 EMSG(_(e_noperl));
|
|
727 return;
|
|
728 }
|
|
729 #endif
|
|
730 perl_init();
|
|
731 }
|
|
732 {
|
|
733 dSP;
|
|
734 length = strlen((char *)eap->arg);
|
129
|
735 sv = newSV(length + sizeof("sub VIM::perldo {") - 1 + 1);
|
|
736 sv_setpvn(sv, "sub VIM::perldo {", sizeof("sub VIM::perldo {") - 1);
|
7
|
737 sv_catpvn(sv, (char *)eap->arg, length);
|
|
738 sv_catpvn(sv, "}", 1);
|
|
739 perl_eval_sv(sv, G_DISCARD | G_NOARGS);
|
|
740 SvREFCNT_dec(sv);
|
|
741 str = SvPV(GvSV(PL_errgv), length);
|
|
742 if (length)
|
|
743 goto err;
|
|
744
|
|
745 if (u_save(eap->line1 - 1, eap->line2 + 1) != OK)
|
|
746 return;
|
|
747
|
|
748 ENTER;
|
|
749 SAVETMPS;
|
|
750 for (i = eap->line1; i <= eap->line2; i++)
|
|
751 {
|
129
|
752 sv_setpv(GvSV(PL_defgv), (char *)ml_get(i));
|
7
|
753 PUSHMARK(sp);
|
|
754 perl_call_pv("VIM::perldo", G_SCALAR | G_EVAL);
|
|
755 str = SvPV(GvSV(PL_errgv), length);
|
|
756 if (length)
|
|
757 break;
|
|
758 SPAGAIN;
|
|
759 if (SvTRUEx(POPs))
|
|
760 {
|
|
761 if (replace_line(&i, &eap->line2) != OK)
|
|
762 {
|
|
763 PUTBACK;
|
|
764 break;
|
|
765 }
|
|
766 }
|
|
767 PUTBACK;
|
|
768 }
|
|
769 FREETMPS;
|
|
770 LEAVE;
|
|
771 check_cursor();
|
|
772 update_screen(NOT_VALID);
|
|
773 if (!length)
|
|
774 return;
|
|
775
|
|
776 err:
|
|
777 msg_split((char_u *)str, highlight_attr[HLF_E]);
|
|
778 return;
|
|
779 }
|
|
780 }
|
|
781
|
|
782 XS(XS_VIM_Msg);
|
|
783 XS(XS_VIM_SetOption);
|
|
784 XS(XS_VIM_DoCommand);
|
|
785 XS(XS_VIM_Eval);
|
|
786 XS(XS_VIM_Buffers);
|
|
787 XS(XS_VIM_Windows);
|
|
788 XS(XS_VIWIN_DESTROY);
|
|
789 XS(XS_VIWIN_Buffer);
|
|
790 XS(XS_VIWIN_SetHeight);
|
|
791 XS(XS_VIWIN_Cursor);
|
|
792 XS(XS_VIBUF_DESTROY);
|
|
793 XS(XS_VIBUF_Name);
|
|
794 XS(XS_VIBUF_Number);
|
|
795 XS(XS_VIBUF_Count);
|
|
796 XS(XS_VIBUF_Get);
|
|
797 XS(XS_VIBUF_Set);
|
|
798 XS(XS_VIBUF_Delete);
|
|
799 XS(XS_VIBUF_Append);
|
|
800 XS(boot_VIM);
|
|
801
|
|
802 static void
|
|
803 xs_init(pTHX)
|
|
804 {
|
|
805 char *file = __FILE__;
|
|
806
|
|
807 /* DynaLoader is a special case */
|
|
808 newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
|
|
809 newXS("VIM::bootstrap", boot_VIM, file);
|
|
810 }
|
|
811
|
|
812 typedef win_T * VIWIN;
|
|
813 typedef buf_T * VIBUF;
|
|
814
|
|
815 MODULE = VIM PACKAGE = VIM
|
|
816
|
|
817 void
|
|
818 Msg(text, hl=NULL)
|
|
819 char *text;
|
|
820 char *hl;
|
|
821
|
|
822 PREINIT:
|
|
823 int attr;
|
|
824 int id;
|
|
825
|
|
826 PPCODE:
|
|
827 if (text != NULL)
|
|
828 {
|
|
829 attr = 0;
|
|
830 if (hl != NULL)
|
|
831 {
|
|
832 id = syn_name2id((char_u *)hl);
|
|
833 if (id != 0)
|
|
834 attr = syn_id2attr(id);
|
|
835 }
|
|
836 msg_split((char_u *)text, attr);
|
|
837 }
|
|
838
|
|
839 void
|
|
840 SetOption(line)
|
|
841 char *line;
|
|
842
|
|
843 PPCODE:
|
|
844 if (line != NULL)
|
|
845 do_set((char_u *)line, 0);
|
|
846 update_screen(NOT_VALID);
|
|
847
|
|
848 void
|
|
849 DoCommand(line)
|
|
850 char *line;
|
|
851
|
|
852 PPCODE:
|
|
853 if (line != NULL)
|
|
854 do_cmdline_cmd((char_u *)line);
|
|
855
|
|
856 void
|
|
857 Eval(str)
|
|
858 char *str;
|
|
859
|
|
860 PREINIT:
|
|
861 char_u *value;
|
|
862 PPCODE:
|
714
|
863 value = eval_to_string((char_u *)str, (char_u **)0, TRUE);
|
7
|
864 if (value == NULL)
|
|
865 {
|
|
866 XPUSHs(sv_2mortal(newSViv(0)));
|
|
867 XPUSHs(sv_2mortal(newSVpv("", 0)));
|
|
868 }
|
|
869 else
|
|
870 {
|
|
871 XPUSHs(sv_2mortal(newSViv(1)));
|
|
872 XPUSHs(sv_2mortal(newSVpv((char *)value, 0)));
|
|
873 vim_free(value);
|
|
874 }
|
|
875
|
|
876 void
|
|
877 Buffers(...)
|
|
878
|
|
879 PREINIT:
|
|
880 buf_T *vimbuf;
|
|
881 int i, b;
|
|
882
|
|
883 PPCODE:
|
|
884 if (items == 0)
|
|
885 {
|
|
886 if (GIMME == G_SCALAR)
|
|
887 {
|
|
888 i = 0;
|
|
889 for (vimbuf = firstbuf; vimbuf; vimbuf = vimbuf->b_next)
|
|
890 ++i;
|
|
891
|
|
892 XPUSHs(sv_2mortal(newSViv(i)));
|
|
893 }
|
|
894 else
|
|
895 {
|
|
896 for (vimbuf = firstbuf; vimbuf; vimbuf = vimbuf->b_next)
|
|
897 XPUSHs(newBUFrv(newSV(0), vimbuf));
|
|
898 }
|
|
899 }
|
|
900 else
|
|
901 {
|
|
902 for (i = 0; i < items; i++)
|
|
903 {
|
|
904 SV *sv = ST(i);
|
|
905 if (SvIOK(sv))
|
|
906 b = SvIV(ST(i));
|
|
907 else
|
|
908 {
|
|
909 char_u *pat;
|
|
910 STRLEN len;
|
|
911
|
|
912 pat = (char_u *)SvPV(sv, len);
|
|
913 ++emsg_off;
|
|
914 b = buflist_findpat(pat, pat+len, FALSE, FALSE);
|
|
915 --emsg_off;
|
|
916 }
|
|
917
|
|
918 if (b >= 0)
|
|
919 {
|
|
920 vimbuf = buflist_findnr(b);
|
|
921 if (vimbuf)
|
|
922 XPUSHs(newBUFrv(newSV(0), vimbuf));
|
|
923 }
|
|
924 }
|
|
925 }
|
|
926
|
|
927 void
|
|
928 Windows(...)
|
|
929
|
|
930 PREINIT:
|
|
931 win_T *vimwin;
|
|
932 int i, w;
|
|
933
|
|
934 PPCODE:
|
|
935 if (items == 0)
|
|
936 {
|
|
937 if (GIMME == G_SCALAR)
|
|
938 XPUSHs(sv_2mortal(newSViv(win_count())));
|
|
939 else
|
|
940 {
|
|
941 for (vimwin = firstwin; vimwin != NULL; vimwin = W_NEXT(vimwin))
|
|
942 XPUSHs(newWINrv(newSV(0), vimwin));
|
|
943 }
|
|
944 }
|
|
945 else
|
|
946 {
|
|
947 for (i = 0; i < items; i++)
|
|
948 {
|
|
949 w = SvIV(ST(i));
|
|
950 vimwin = win_find_nr(w);
|
|
951 if (vimwin)
|
|
952 XPUSHs(newWINrv(newSV(0), vimwin));
|
|
953 }
|
|
954 }
|
|
955
|
|
956 MODULE = VIM PACKAGE = VIWIN
|
|
957
|
|
958 void
|
|
959 DESTROY(win)
|
|
960 VIWIN win
|
|
961
|
|
962 CODE:
|
|
963 if (win_valid(win))
|
502
|
964 win->w_perl_private = 0;
|
7
|
965
|
|
966 SV *
|
|
967 Buffer(win)
|
|
968 VIWIN win
|
|
969
|
|
970 CODE:
|
|
971 if (!win_valid(win))
|
|
972 win = curwin;
|
|
973 RETVAL = newBUFrv(newSV(0), win->w_buffer);
|
|
974 OUTPUT:
|
|
975 RETVAL
|
|
976
|
|
977 void
|
|
978 SetHeight(win, height)
|
|
979 VIWIN win
|
|
980 int height;
|
|
981
|
|
982 PREINIT:
|
|
983 win_T *savewin;
|
|
984
|
|
985 PPCODE:
|
|
986 if (!win_valid(win))
|
|
987 win = curwin;
|
|
988 savewin = curwin;
|
|
989 curwin = win;
|
|
990 win_setheight(height);
|
|
991 curwin = savewin;
|
|
992
|
|
993 void
|
|
994 Cursor(win, ...)
|
|
995 VIWIN win
|
|
996
|
|
997 PPCODE:
|
|
998 if(items == 1)
|
|
999 {
|
|
1000 EXTEND(sp, 2);
|
|
1001 if (!win_valid(win))
|
|
1002 win = curwin;
|
|
1003 PUSHs(sv_2mortal(newSViv(win->w_cursor.lnum)));
|
|
1004 PUSHs(sv_2mortal(newSViv(win->w_cursor.col)));
|
|
1005 }
|
|
1006 else if(items == 3)
|
|
1007 {
|
|
1008 int lnum, col;
|
|
1009
|
|
1010 if (!win_valid(win))
|
|
1011 win = curwin;
|
|
1012 lnum = SvIV(ST(1));
|
|
1013 col = SvIV(ST(2));
|
|
1014 win->w_cursor.lnum = lnum;
|
|
1015 win->w_cursor.col = col;
|
|
1016 check_cursor(); /* put cursor on an existing line */
|
|
1017 update_screen(NOT_VALID);
|
|
1018 }
|
|
1019
|
|
1020 MODULE = VIM PACKAGE = VIBUF
|
|
1021
|
|
1022 void
|
|
1023 DESTROY(vimbuf)
|
|
1024 VIBUF vimbuf;
|
|
1025
|
|
1026 CODE:
|
|
1027 if (buf_valid(vimbuf))
|
502
|
1028 vimbuf->b_perl_private = 0;
|
7
|
1029
|
|
1030 void
|
|
1031 Name(vimbuf)
|
|
1032 VIBUF vimbuf;
|
|
1033
|
|
1034 PPCODE:
|
|
1035 if (!buf_valid(vimbuf))
|
|
1036 vimbuf = curbuf;
|
|
1037 /* No file name returns an empty string */
|
|
1038 if (vimbuf->b_fname == NULL)
|
|
1039 XPUSHs(sv_2mortal(newSVpv("", 0)));
|
|
1040 else
|
|
1041 XPUSHs(sv_2mortal(newSVpv((char *)vimbuf->b_fname, 0)));
|
|
1042
|
|
1043 void
|
|
1044 Number(vimbuf)
|
|
1045 VIBUF vimbuf;
|
|
1046
|
|
1047 PPCODE:
|
|
1048 if (!buf_valid(vimbuf))
|
|
1049 vimbuf = curbuf;
|
|
1050 XPUSHs(sv_2mortal(newSViv(vimbuf->b_fnum)));
|
|
1051
|
|
1052 void
|
|
1053 Count(vimbuf)
|
|
1054 VIBUF vimbuf;
|
|
1055
|
|
1056 PPCODE:
|
|
1057 if (!buf_valid(vimbuf))
|
|
1058 vimbuf = curbuf;
|
|
1059 XPUSHs(sv_2mortal(newSViv(vimbuf->b_ml.ml_line_count)));
|
|
1060
|
|
1061 void
|
|
1062 Get(vimbuf, ...)
|
|
1063 VIBUF vimbuf;
|
|
1064
|
|
1065 PREINIT:
|
|
1066 char_u *line;
|
|
1067 int i;
|
|
1068 long lnum;
|
|
1069 PPCODE:
|
|
1070 if (buf_valid(vimbuf))
|
|
1071 {
|
|
1072 for (i = 1; i < items; i++)
|
|
1073 {
|
|
1074 lnum = SvIV(ST(i));
|
|
1075 if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count)
|
|
1076 {
|
|
1077 line = ml_get_buf(vimbuf, lnum, FALSE);
|
|
1078 XPUSHs(sv_2mortal(newSVpv((char *)line, 0)));
|
|
1079 }
|
|
1080 }
|
|
1081 }
|
|
1082
|
|
1083 void
|
|
1084 Set(vimbuf, ...)
|
|
1085 VIBUF vimbuf;
|
|
1086
|
|
1087 PREINIT:
|
|
1088 int i;
|
|
1089 long lnum;
|
|
1090 char *line;
|
|
1091 PPCODE:
|
|
1092 if (buf_valid(vimbuf))
|
|
1093 {
|
|
1094 if (items < 3)
|
|
1095 croak("Usage: VIBUF::Set(vimbuf, lnum, @lines)");
|
|
1096
|
|
1097 lnum = SvIV(ST(1));
|
|
1098 for(i = 2; i < items; i++, lnum++)
|
|
1099 {
|
|
1100 line = SvPV(ST(i),PL_na);
|
|
1101 if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count && line != NULL)
|
|
1102 {
|
918
|
1103 aco_save_T aco;
|
|
1104
|
|
1105 /* set curwin/curbuf for "vimbuf" and save some things */
|
|
1106 aucmd_prepbuf(&aco, vimbuf);
|
|
1107
|
7
|
1108 if (u_savesub(lnum) == OK)
|
|
1109 {
|
|
1110 ml_replace(lnum, (char_u *)line, TRUE);
|
|
1111 changed_bytes(lnum, 0);
|
|
1112 }
|
934
|
1113
|
918
|
1114 /* restore curwin/curbuf and a few other things */
|
|
1115 aucmd_restbuf(&aco);
|
|
1116 /* Careful: autocommands may have made "vimbuf" invalid! */
|
7
|
1117 }
|
|
1118 }
|
|
1119 }
|
|
1120
|
|
1121 void
|
|
1122 Delete(vimbuf, ...)
|
|
1123 VIBUF vimbuf;
|
|
1124
|
|
1125 PREINIT:
|
|
1126 long i, lnum = 0, count = 0;
|
|
1127 PPCODE:
|
|
1128 if (buf_valid(vimbuf))
|
|
1129 {
|
|
1130 if (items == 2)
|
|
1131 {
|
|
1132 lnum = SvIV(ST(1));
|
|
1133 count = 1;
|
|
1134 }
|
|
1135 else if (items == 3)
|
|
1136 {
|
|
1137 lnum = SvIV(ST(1));
|
|
1138 count = 1 + SvIV(ST(2)) - lnum;
|
|
1139 if(count == 0)
|
|
1140 count = 1;
|
|
1141 if(count < 0)
|
|
1142 {
|
|
1143 lnum -= count;
|
|
1144 count = -count;
|
|
1145 }
|
|
1146 }
|
|
1147 if (items >= 2)
|
|
1148 {
|
|
1149 for (i = 0; i < count; i++)
|
|
1150 {
|
|
1151 if (lnum > 0 && lnum <= vimbuf->b_ml.ml_line_count)
|
|
1152 {
|
918
|
1153 aco_save_T aco;
|
|
1154
|
|
1155 /* set curwin/curbuf for "vimbuf" and save some things */
|
|
1156 aucmd_prepbuf(&aco, vimbuf);
|
934
|
1157
|
7
|
1158 if (u_savedel(lnum, 1) == OK)
|
|
1159 {
|
|
1160 ml_delete(lnum, 0);
|
|
1161 deleted_lines_mark(lnum, 1L);
|
934
|
1162 if (aco.save_buf == curbuf)
|
7
|
1163 check_cursor();
|
|
1164 }
|
934
|
1165
|
918
|
1166 /* restore curwin/curbuf and a few other things */
|
|
1167 aucmd_restbuf(&aco);
|
|
1168 /* Careful: autocommands may have made "vimbuf" invalid! */
|
934
|
1169
|
7
|
1170 update_curbuf(VALID);
|
|
1171 }
|
|
1172 }
|
|
1173 }
|
|
1174 }
|
|
1175
|
|
1176 void
|
|
1177 Append(vimbuf, ...)
|
|
1178 VIBUF vimbuf;
|
|
1179
|
|
1180 PREINIT:
|
|
1181 int i;
|
|
1182 long lnum;
|
|
1183 char *line;
|
|
1184 PPCODE:
|
|
1185 if (buf_valid(vimbuf))
|
|
1186 {
|
|
1187 if (items < 3)
|
|
1188 croak("Usage: VIBUF::Append(vimbuf, lnum, @lines)");
|
|
1189
|
|
1190 lnum = SvIV(ST(1));
|
|
1191 for (i = 2; i < items; i++, lnum++)
|
|
1192 {
|
|
1193 line = SvPV(ST(i),PL_na);
|
|
1194 if (lnum >= 0 && lnum <= vimbuf->b_ml.ml_line_count && line != NULL)
|
|
1195 {
|
918
|
1196 aco_save_T aco;
|
|
1197
|
|
1198 /* set curwin/curbuf for "vimbuf" and save some things */
|
|
1199 aucmd_prepbuf(&aco, vimbuf);
|
|
1200
|
7
|
1201 if (u_inssub(lnum + 1) == OK)
|
|
1202 {
|
|
1203 ml_append(lnum, (char_u *)line, (colnr_T)0, FALSE);
|
|
1204 appended_lines_mark(lnum, 1L);
|
|
1205 }
|
934
|
1206
|
918
|
1207 /* restore curwin/curbuf and a few other things */
|
|
1208 aucmd_restbuf(&aco);
|
|
1209 /* Careful: autocommands may have made "vimbuf" invalid! */
|
934
|
1210
|
7
|
1211 update_curbuf(VALID);
|
|
1212 }
|
|
1213 }
|
|
1214 }
|
|
1215
|