Mercurial > vim
annotate src/vim9.h @ 23296:c9123e2447bc
Added tag v8.2.2193 for changeset d9ae7dd3a0f22067deb7b0a4585ae8113b691204
author | Bram Moolenaar <Bram@vim.org> |
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date | Tue, 22 Dec 2020 20:45:04 +0100 |
parents | 112fa621b127 |
children | e8eb4fd44902 |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
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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 * See README.txt for an overview of the Vim source code. |
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8 */ |
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9 |
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10 /* |
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11 * vim9.h: types and globals used for Vim9 script. |
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12 */ |
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13 |
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14 typedef enum { |
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15 ISN_EXEC, // execute Ex command line isn_arg.string |
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16 ISN_EXECCONCAT, // execute Ex command from isn_arg.number items on stack |
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17 ISN_ECHO, // echo isn_arg.echo.echo_count items on top of stack |
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18 ISN_EXECUTE, // execute Ex commands isn_arg.number items on top of stack |
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19 ISN_ECHOMSG, // echo Ex commands isn_arg.number items on top of stack |
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20 ISN_ECHOERR, // echo Ex commands isn_arg.number items on top of stack |
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21 ISN_RANGE, // compute range from isn_arg.string, push to stack |
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22 |
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23 // get and set variables |
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24 ISN_LOAD, // push local variable isn_arg.number |
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25 ISN_LOADV, // push v: variable isn_arg.number |
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26 ISN_LOADG, // push g: variable isn_arg.string |
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27 ISN_LOADAUTO, // push g: autoload variable isn_arg.string |
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28 ISN_LOADB, // push b: variable isn_arg.string |
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29 ISN_LOADW, // push w: variable isn_arg.string |
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30 ISN_LOADT, // push t: variable isn_arg.string |
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31 ISN_LOADGDICT, // push g: dict |
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32 ISN_LOADBDICT, // push b: dict |
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33 ISN_LOADWDICT, // push w: dict |
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34 ISN_LOADTDICT, // push t: dict |
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35 ISN_LOADS, // push s: variable isn_arg.loadstore |
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36 ISN_LOADOUTER, // push variable from outer scope isn_arg.number |
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37 ISN_LOADSCRIPT, // push script-local variable isn_arg.script. |
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38 ISN_LOADOPT, // push option isn_arg.string |
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39 ISN_LOADENV, // push environment variable isn_arg.string |
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40 ISN_LOADREG, // push register isn_arg.number |
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41 |
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42 ISN_STORE, // pop into local variable isn_arg.number |
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43 ISN_STOREV, // pop into v: variable isn_arg.number |
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44 ISN_STOREG, // pop into global variable isn_arg.string |
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45 ISN_STOREAUTO, // pop into global autoload variable isn_arg.string |
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46 ISN_STOREB, // pop into buffer-local variable isn_arg.string |
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47 ISN_STOREW, // pop into window-local variable isn_arg.string |
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48 ISN_STORET, // pop into tab-local variable isn_arg.string |
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49 ISN_STORES, // pop into script variable isn_arg.loadstore |
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50 ISN_STOREOUTER, // pop variable into outer scope isn_arg.number |
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51 ISN_STORESCRIPT, // pop into script variable isn_arg.script |
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52 ISN_STOREOPT, // pop into option isn_arg.string |
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53 ISN_STOREENV, // pop into environment variable isn_arg.string |
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54 ISN_STOREREG, // pop into register isn_arg.number |
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55 // ISN_STOREOTHER, // pop into other script variable isn_arg.other. |
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56 |
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57 ISN_STORENR, // store number into local variable isn_arg.storenr.stnr_idx |
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58 ISN_STOREINDEX, // store into list or dictionary, type isn_arg.vartype, |
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59 // value/index/variable on stack |
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60 |
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61 ISN_UNLET, // unlet variable isn_arg.unlet.ul_name |
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62 ISN_UNLETENV, // unlet environment variable isn_arg.unlet.ul_name |
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63 |
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64 ISN_LOCKCONST, // lock constant value |
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65 |
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66 // constants |
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67 ISN_PUSHNR, // push number isn_arg.number |
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68 ISN_PUSHBOOL, // push bool value isn_arg.number |
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69 ISN_PUSHSPEC, // push special value isn_arg.number |
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70 ISN_PUSHF, // push float isn_arg.fnumber |
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71 ISN_PUSHS, // push string isn_arg.string |
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72 ISN_PUSHBLOB, // push blob isn_arg.blob |
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73 ISN_PUSHFUNC, // push func isn_arg.string |
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74 ISN_PUSHCHANNEL, // push channel isn_arg.channel |
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75 ISN_PUSHJOB, // push channel isn_arg.job |
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76 ISN_NEWLIST, // push list from stack items, size is isn_arg.number |
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77 ISN_NEWDICT, // push dict from stack items, size is isn_arg.number |
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78 |
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79 // function call |
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80 ISN_BCALL, // call builtin function isn_arg.bfunc |
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81 ISN_DCALL, // call def function isn_arg.dfunc |
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82 ISN_UCALL, // call user function or funcref/partial isn_arg.ufunc |
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83 ISN_PCALL, // call partial, use isn_arg.pfunc |
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84 ISN_PCALL_END, // cleanup after ISN_PCALL with cpf_top set |
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85 ISN_RETURN, // return, result is on top of stack |
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86 ISN_FUNCREF, // push a function ref to dfunc isn_arg.funcref |
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87 ISN_NEWFUNC, // create a global function from a lambda function |
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88 ISN_DEF, // list functions |
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89 |
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90 // expression operations |
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91 ISN_JUMP, // jump if condition is matched isn_arg.jump |
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92 |
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93 // loop |
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94 ISN_FOR, // get next item from a list, uses isn_arg.forloop |
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95 |
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96 ISN_TRY, // add entry to ec_trystack, uses isn_arg.try |
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97 ISN_THROW, // pop value of stack, store in v:exception |
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98 ISN_PUSHEXC, // push v:exception |
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99 ISN_CATCH, // drop v:exception |
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100 ISN_ENDTRY, // take entry off from ec_trystack |
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101 |
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102 // more expression operations |
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103 ISN_ADDLIST, // add two lists |
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104 ISN_ADDBLOB, // add two blobs |
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105 |
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106 // operation with two arguments; isn_arg.op.op_type is exptype_T |
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107 ISN_OPNR, |
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108 ISN_OPFLOAT, |
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109 ISN_OPANY, |
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110 |
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111 // comparative operations; isn_arg.op.op_type is exptype_T, op_ic used |
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112 ISN_COMPAREBOOL, |
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113 ISN_COMPARESPECIAL, |
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114 ISN_COMPARENR, |
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115 ISN_COMPAREFLOAT, |
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116 ISN_COMPARESTRING, |
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117 ISN_COMPAREBLOB, |
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118 ISN_COMPARELIST, |
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119 ISN_COMPAREDICT, |
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120 ISN_COMPAREFUNC, |
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121 ISN_COMPAREANY, |
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122 |
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123 // expression operations |
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124 ISN_CONCAT, |
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125 ISN_STRINDEX, // [expr] string index |
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126 ISN_STRSLICE, // [expr:expr] string slice |
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127 ISN_LISTAPPEND, // append to a list, like add() |
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128 ISN_LISTINDEX, // [expr] list index |
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129 ISN_LISTSLICE, // [expr:expr] list slice |
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130 ISN_ANYINDEX, // [expr] runtime index |
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131 ISN_ANYSLICE, // [expr:expr] runtime slice |
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132 ISN_SLICE, // drop isn_arg.number items from start of list |
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133 ISN_BLOBAPPEND, // append to a blob, like add() |
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134 ISN_GETITEM, // push list item, isn_arg.number is the index |
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135 ISN_MEMBER, // dict[member] |
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136 ISN_STRINGMEMBER, // dict.member using isn_arg.string |
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137 ISN_2BOOL, // falsy/truthy to bool, invert if isn_arg.number != 0 |
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138 ISN_COND2BOOL, // convert value to bool |
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139 ISN_2STRING, // convert value to string at isn_arg.number on stack |
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140 ISN_2STRING_ANY, // like ISN_2STRING but check type |
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141 ISN_NEGATENR, // apply "-" to number |
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142 |
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143 ISN_CHECKNR, // check value can be used as a number |
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144 ISN_CHECKTYPE, // check value type is isn_arg.type.tc_type |
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145 ISN_CHECKLEN, // check list length is isn_arg.checklen.cl_min_len |
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146 |
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147 ISN_PUT, // ":put", uses isn_arg.put |
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148 |
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149 ISN_CMDMOD, // set cmdmod |
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150 ISN_CMDMOD_REV, // undo ISN_CMDMOD |
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151 |
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152 ISN_UNPACK, // unpack list into items, uses isn_arg.unpack |
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153 ISN_SHUFFLE, // move item on stack up or down |
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154 ISN_DROP // pop stack and discard value |
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155 } isntype_T; |
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156 |
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157 |
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158 // arguments to ISN_BCALL |
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159 typedef struct { |
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160 int cbf_idx; // index in "global_functions" |
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161 int cbf_argcount; // number of arguments on top of stack |
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162 } cbfunc_T; |
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163 |
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164 // arguments to ISN_DCALL |
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165 typedef struct { |
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166 int cdf_idx; // index in "def_functions" for ISN_DCALL |
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167 int cdf_argcount; // number of arguments on top of stack |
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168 } cdfunc_T; |
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169 |
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170 // arguments to ISN_PCALL |
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171 typedef struct { |
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172 int cpf_top; // when TRUE partial is above the arguments |
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173 int cpf_argcount; // number of arguments on top of stack |
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174 } cpfunc_T; |
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175 |
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176 // arguments to ISN_UCALL and ISN_XCALL |
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177 typedef struct { |
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178 char_u *cuf_name; |
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179 int cuf_argcount; // number of arguments on top of stack |
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180 } cufunc_T; |
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181 |
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182 typedef enum { |
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183 JUMP_ALWAYS, |
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184 JUMP_IF_FALSE, // pop and jump if false |
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185 JUMP_AND_KEEP_IF_TRUE, // jump if top of stack is truthy, drop if not |
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186 JUMP_AND_KEEP_IF_FALSE, // jump if top of stack is falsy, drop if not |
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187 JUMP_IF_COND_TRUE, // jump if top of stack is true, drop if not |
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188 JUMP_IF_COND_FALSE, // jump if top of stack is false, drop if not |
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189 } jumpwhen_T; |
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190 |
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191 // arguments to ISN_JUMP |
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192 typedef struct { |
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193 jumpwhen_T jump_when; |
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194 int jump_where; // position to jump to |
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195 } jump_T; |
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196 |
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197 // arguments to ISN_FOR |
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198 typedef struct { |
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199 int for_idx; // loop variable index |
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200 int for_end; // position to jump to after done |
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201 } forloop_T; |
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202 |
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203 // arguments to ISN_TRY |
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204 typedef struct { |
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205 int try_catch; // position to jump to on throw |
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206 int try_finally; // position to jump to for return |
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207 } try_T; |
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208 |
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209 // arguments to ISN_ECHO |
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210 typedef struct { |
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211 int echo_with_white; // :echo instead of :echon |
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212 int echo_count; // number of expressions |
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213 } echo_T; |
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214 |
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215 // arguments to ISN_OPNR, ISN_OPFLOAT, etc. |
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216 typedef struct { |
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217 exptype_T op_type; |
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218 int op_ic; // TRUE with '#', FALSE with '?', else MAYBE |
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219 } opexpr_T; |
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220 |
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221 // arguments to ISN_CHECKTYPE |
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222 typedef struct { |
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223 type_T *ct_type; |
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224 int ct_off; // offset in stack, -1 is bottom |
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225 } checktype_T; |
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226 |
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227 // arguments to ISN_STORENR |
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228 typedef struct { |
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229 int stnr_idx; |
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230 varnumber_T stnr_val; |
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231 } storenr_T; |
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232 |
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233 // arguments to ISN_STOREOPT |
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234 typedef struct { |
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235 char_u *so_name; |
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236 int so_flags; |
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237 } storeopt_T; |
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238 |
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239 // arguments to ISN_LOADS and ISN_STORES |
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240 typedef struct { |
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241 char_u *ls_name; // variable name (with s: for ISN_STORES) |
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242 int ls_sid; // script ID |
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243 } loadstore_T; |
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244 |
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245 // arguments to ISN_LOADSCRIPT and ISN_STORESCRIPT |
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246 typedef struct { |
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247 int script_sid; // script ID |
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248 int script_idx; // index in sn_var_vals |
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249 } script_T; |
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250 |
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251 // arguments to ISN_UNLET |
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252 typedef struct { |
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253 char_u *ul_name; // variable name with g:, w:, etc. |
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254 int ul_forceit; // forceit flag |
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255 } unlet_T; |
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256 |
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257 // arguments to ISN_FUNCREF |
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258 typedef struct { |
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259 int fr_func; // function index |
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260 } funcref_T; |
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261 |
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262 // arguments to ISN_NEWFUNC |
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263 typedef struct { |
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264 char_u *nf_lambda; // name of the lambda already defined |
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265 char_u *nf_global; // name of the global function to be created |
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266 } newfunc_T; |
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267 |
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268 // arguments to ISN_CHECKLEN |
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269 typedef struct { |
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270 int cl_min_len; // minimum length |
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271 int cl_more_OK; // longer is allowed |
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272 } checklen_T; |
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273 |
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274 // arguments to ISN_SHUFFLE |
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275 typedef struct { |
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276 int shfl_item; // item to move (relative to top of stack) |
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277 int shfl_up; // places to move upwards |
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278 } shuffle_T; |
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279 |
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280 // arguments to ISN_PUT |
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281 typedef struct { |
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282 int put_regname; // register, can be NUL |
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283 linenr_T put_lnum; // line number to put below |
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284 } put_T; |
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285 |
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286 // arguments to ISN_CMDMOD |
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287 typedef struct { |
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288 cmdmod_T *cf_cmdmod; // allocated |
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289 } cmod_T; |
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290 |
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291 // arguments to ISN_UNPACK |
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292 typedef struct { |
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293 int unp_count; // number of items to produce |
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294 int unp_semicolon; // last item gets list of remainder |
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295 } unpack_T; |
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296 |
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297 /* |
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298 * Instruction |
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299 */ |
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300 struct isn_S { |
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301 isntype_T isn_type; |
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302 int isn_lnum; |
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303 union { |
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304 char_u *string; |
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305 varnumber_T number; |
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306 blob_T *blob; |
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307 vartype_T vartype; |
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308 #ifdef FEAT_FLOAT |
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309 float_T fnumber; |
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310 #endif |
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311 channel_T *channel; |
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312 job_T *job; |
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313 partial_T *partial; |
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314 jump_T jump; |
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315 forloop_T forloop; |
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316 try_T try; |
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317 cbfunc_T bfunc; |
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318 cdfunc_T dfunc; |
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319 cpfunc_T pfunc; |
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320 cufunc_T ufunc; |
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321 echo_T echo; |
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322 opexpr_T op; |
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323 checktype_T type; |
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324 storenr_T storenr; |
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325 storeopt_T storeopt; |
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326 loadstore_T loadstore; |
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327 script_T script; |
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328 unlet_T unlet; |
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329 funcref_T funcref; |
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330 newfunc_T newfunc; |
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331 checklen_T checklen; |
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332 shuffle_T shuffle; |
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333 put_T put; |
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334 cmod_T cmdmod; |
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335 unpack_T unpack; |
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336 } isn_arg; |
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337 }; |
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338 |
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339 /* |
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340 * Info about a function defined with :def. Used in "def_functions". |
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341 */ |
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342 struct dfunc_S { |
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343 ufunc_T *df_ufunc; // struct containing most stuff |
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344 int df_refcount; // how many ufunc_T point to this dfunc_T |
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345 int df_idx; // index in def_functions |
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346 int df_deleted; // if TRUE function was deleted |
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347 char_u *df_name; // name used for error messages |
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348 |
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349 garray_T df_def_args_isn; // default argument instructions |
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350 isn_T *df_instr; // function body to be executed |
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351 int df_instr_count; |
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352 |
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353 int df_varcount; // number of local variables |
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354 int df_has_closure; // one if a closure was created |
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355 }; |
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356 |
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357 // Number of entries used by stack frame for a function call. |
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358 // - ec_dfunc_idx: function index |
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359 // - ec_iidx: instruction index |
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360 // - ec_outer_stack: stack used for closures TODO: can we avoid this? |
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361 // - ec_outer_frame: stack frame for closures |
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362 // - ec_frame_idx: previous frame index |
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363 #define STACK_FRAME_SIZE 5 |
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364 |
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365 |
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366 #ifdef DEFINE_VIM9_GLOBALS |
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367 // Functions defined with :def are stored in this growarray. |
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368 // They are never removed, so that they can be found by index. |
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369 // Deleted functions have the df_deleted flag set. |
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370 garray_T def_functions = {0, 0, sizeof(dfunc_T), 50, NULL}; |
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371 #else |
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372 extern garray_T def_functions; |
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373 #endif |
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374 |
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375 // Used for "lnum" when a range is to be taken from the stack. |
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376 #define LNUM_VARIABLE_RANGE -999 |
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377 |
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378 // Used for "lnum" when a range is to be taken from the stack and "!" is used. |
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379 #define LNUM_VARIABLE_RANGE_ABOVE -888 |