annotate src/vim9class.c @ 31408:c82cb53474ee v9.0.1037

patch 9.0.1037: lalloc(0) error for a class without members Commit: https://github.com/vim/vim/commit/98aeb2100c2759111f93f0f0857e93d98afdc88a Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 8 22:09:14 2022 +0000 patch 9.0.1037: lalloc(0) error for a class without members Problem: lalloc(0) error for a class without members. Solution: Don't allocate room for members if there aren't any. Don't create the class if there was an error.
author Bram Moolenaar <Bram@vim.org>
date Thu, 08 Dec 2022 23:15:03 +0100
parents 60b1d266548d
children f088f1d97eee
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 * vim9class.c: Vim9 script class support
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12 */
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13
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14 #define USING_FLOAT_STUFF
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15 #include "vim.h"
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16
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17 #if defined(FEAT_EVAL) || defined(PROTO)
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18
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19 // When not generating protos this is included in proto.h
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20 #ifdef PROTO
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21 # include "vim9.h"
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22 #endif
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23
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24 /*
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25 * Handle ":class" and ":abstract class" up to ":endclass".
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26 */
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27 void
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28 ex_class(exarg_T *eap)
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29 {
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30 if (!current_script_is_vim9()
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31 || (cmdmod.cmod_flags & CMOD_LEGACY)
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32 || !getline_equal(eap->getline, eap->cookie, getsourceline))
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33 {
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34 emsg(_(e_class_can_only_be_defined_in_vim9_script));
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35 return;
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36 }
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37
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38 char_u *arg = eap->arg;
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39 int is_abstract = eap->cmdidx == CMD_abstract;
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40 if (is_abstract)
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41 {
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42 if (STRNCMP(arg, "class", 5) != 0 || !VIM_ISWHITE(arg[5]))
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43 {
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44 semsg(_(e_invalid_argument_str), arg);
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45 return;
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46 }
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47 arg = skipwhite(arg + 5);
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48 }
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49
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50 if (!ASCII_ISUPPER(*arg))
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51 {
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52 semsg(_(e_class_name_must_start_with_uppercase_letter_str), arg);
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53 return;
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54 }
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55 char_u *name_end = find_name_end(arg, NULL, NULL, FNE_CHECK_START);
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56 if (!IS_WHITE_OR_NUL(*name_end))
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57 {
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58 semsg(_(e_white_space_required_after_class_name_str), arg);
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59 return;
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60 }
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61
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62 // TODO:
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63 // generics: <Tkey, Tentry>
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64 // extends SomeClass
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65 // implements SomeInterface
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66 // specifies SomeInterface
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67 // check nothing follows
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68
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69 // TODO: handle "is_export" if it is set
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70
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71 garray_T type_list; // list of pointers to allocated types
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72 ga_init2(&type_list, sizeof(type_T *), 10);
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73
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74 // Growarray with object members declared in the class.
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75 garray_T objmembers;
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76 ga_init2(&objmembers, sizeof(objmember_T), 10);
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77
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78 // Growarray with object methods declared in the class.
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79 garray_T objmethods;
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80 ga_init2(&objmethods, sizeof(ufunc_T), 10);
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81
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82 /*
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83 * Go over the body of the class until "endclass" is found.
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84 */
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85 char_u *theline = NULL;
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86 int success = FALSE;
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87 for (;;)
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88 {
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89 vim_free(theline);
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90 theline = eap->getline(':', eap->cookie, 0, GETLINE_CONCAT_ALL);
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91 if (theline == NULL)
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92 break;
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93 char_u *line = skipwhite(theline);
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94
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95 // TODO:
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96 // class members (public, read access, private):
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97 // static varname
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98 // public static varname
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99 // static _varname
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100 //
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101 // constructors:
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102 // def new()
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103 // enddef
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104 // def newOther()
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105 // enddef
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106 //
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107 // methods (object, class, generics):
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108 // def someMethod()
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109 // enddef
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110 // static def someMethod()
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111 // enddef
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112 // def <Tval> someMethod()
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113 // enddef
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114 // static def <Tval> someMethod()
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115 // enddef
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116
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117 char_u *p = line;
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118 if (checkforcmd(&p, "endclass", 4))
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119 {
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120 if (STRNCMP(line, "endclass", 8) != 0)
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121 semsg(_(e_command_cannot_be_shortened_str), line);
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122 else if (*p == '|' || !ends_excmd2(line, p))
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123 semsg(_(e_trailing_characters_str), p);
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124 else
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125 success = TRUE;
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126 break;
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127 }
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128
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
129 // "this.varname"
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
130 // "this._varname"
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
131 // TODO:
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
132 // "public this.varname"
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
133 if (STRNCMP(line, "this", 4) == 0)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
134 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
135 if (line[4] != '.' || !eval_isnamec1(line[5]))
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
136 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
137 semsg(_(e_invalid_object_member_declaration_str), line);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
138 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
139 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
140 char_u *varname = line + 5;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
141 char_u *varname_end = to_name_end(varname, FALSE);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
142
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
143 char_u *colon = skipwhite(varname_end);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
144 // TODO: accept initialization and figure out type from it
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
145 if (*colon != ':')
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
146 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
147 emsg(_(e_type_or_initialization_required));
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
148 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
149 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
150 if (VIM_ISWHITE(*varname_end))
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
151 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
152 semsg(_(e_no_white_space_allowed_before_colon_str), varname);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
153 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
154 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
155 if (!VIM_ISWHITE(colon[1]))
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
156 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
157 semsg(_(e_white_space_required_after_str_str), ":", varname);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
158 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
159 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
160
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
161 char_u *type_arg = skipwhite(colon + 1);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
162 type_T *type = parse_type(&type_arg, &type_list, TRUE);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
163 if (type == NULL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
164 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
165
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
166 if (ga_grow(&objmembers, 1) == FAIL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
167 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
168 objmember_T *m = ((objmember_T *)objmembers.ga_data)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
169 + objmembers.ga_len;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
170 m->om_name = vim_strnsave(varname, varname_end - varname);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
171 m->om_type = type;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
172 ++objmembers.ga_len;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
173 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
174
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
175 else
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
176 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
177 semsg(_(e_not_valid_command_in_class_str), line);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
178 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
179 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
180 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
181 vim_free(theline);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
182
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
183 if (success)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
184 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
185 class_T *cl = ALLOC_CLEAR_ONE(class_T);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
186 if (cl == NULL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
187 goto cleanup;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
188 cl->class_refcount = 1;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
189 cl->class_name = vim_strnsave(arg, name_end - arg);
31335
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
190
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
191 // Members are used by the new() function, add them here.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
192 cl->class_obj_member_count = objmembers.ga_len;
31408
c82cb53474ee patch 9.0.1037: lalloc(0) error for a class without members
Bram Moolenaar <Bram@vim.org>
parents: 31404
diff changeset
193 cl->class_obj_members = objmembers.ga_len == 0 ? NULL
c82cb53474ee patch 9.0.1037: lalloc(0) error for a class without members
Bram Moolenaar <Bram@vim.org>
parents: 31404
diff changeset
194 : ALLOC_MULT(objmember_T, objmembers.ga_len);
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
195 if (cl->class_name == NULL
31408
c82cb53474ee patch 9.0.1037: lalloc(0) error for a class without members
Bram Moolenaar <Bram@vim.org>
parents: 31404
diff changeset
196 || (objmembers.ga_len > 0 && cl->class_obj_members == NULL))
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
197 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
198 vim_free(cl->class_name);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
199 vim_free(cl->class_obj_members);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
200 vim_free(cl);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
201 goto cleanup;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
202 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
203 mch_memmove(cl->class_obj_members, objmembers.ga_data,
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
204 sizeof(objmember_T) * objmembers.ga_len);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
205 vim_free(objmembers.ga_data);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
206
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
207 int have_new = FALSE;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
208 for (int i = 0; i < objmethods.ga_len; ++i)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
209 if (STRCMP((((ufunc_T *)objmethods.ga_data) + i)->uf_name,
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
210 "new") == 0)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
211 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
212 have_new = TRUE;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
213 break;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
214 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
215 if (!have_new)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
216 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
217 // No new() method was defined, add the default constructor.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
218 garray_T fga;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
219 ga_init2(&fga, 1, 1000);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
220 ga_concat(&fga, (char_u *)"new(");
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
221 for (int i = 0; i < cl->class_obj_member_count; ++i)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
222 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
223 if (i > 0)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
224 ga_concat(&fga, (char_u *)", ");
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
225 ga_concat(&fga, (char_u *)"this.");
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
226 objmember_T *m = cl->class_obj_members + i;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
227 ga_concat(&fga, (char_u *)m->om_name);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
228 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
229 ga_concat(&fga, (char_u *)")\nenddef\n");
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
230 ga_append(&fga, NUL);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
231
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
232 exarg_T fea;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
233 CLEAR_FIELD(fea);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
234 fea.cmdidx = CMD_def;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
235 fea.cmd = fea.arg = fga.ga_data;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
236
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
237 garray_T lines_to_free;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
238 ga_init2(&lines_to_free, sizeof(char_u *), 50);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
239
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
240 ufunc_T *nf = define_function(&fea, NULL, &lines_to_free, cl);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
241
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
242 ga_clear_strings(&lines_to_free);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
243 vim_free(fga.ga_data);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
244
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
245 if (nf != NULL && ga_grow(&objmethods, 1) == OK)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
246 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
247 ((ufunc_T **)objmethods.ga_data)[objmethods.ga_len] = nf;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
248 ++objmethods.ga_len;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
249
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
250 nf->uf_flags |= FC_NEW;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
251 nf->uf_class = cl;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
252 nf->uf_ret_type = get_type_ptr(&type_list);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
253 if (nf->uf_ret_type != NULL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
254 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
255 nf->uf_ret_type->tt_type = VAR_OBJECT;
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diff changeset
256 nf->uf_ret_type->tt_member = (type_T *)cl;
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diff changeset
257 nf->uf_ret_type->tt_argcount = 0;
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diff changeset
258 nf->uf_ret_type->tt_args = NULL;
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diff changeset
259 }
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diff changeset
260 cl->class_new_func = nf;
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diff changeset
261 }
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parents: 31335
diff changeset
262 }
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Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
263
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parents: 31335
diff changeset
264 cl->class_obj_method_count = objmethods.ga_len;
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diff changeset
265 cl->class_obj_methods = ALLOC_MULT(ufunc_T *, objmethods.ga_len);
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diff changeset
266 if (cl->class_obj_methods == NULL)
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diff changeset
267 {
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diff changeset
268 vim_free(cl->class_name);
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diff changeset
269 vim_free(cl->class_obj_members);
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diff changeset
270 vim_free(cl->class_obj_methods);
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diff changeset
271 vim_free(cl);
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parents: 31335
diff changeset
272 goto cleanup;
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parents: 31335
diff changeset
273 }
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diff changeset
274 mch_memmove(cl->class_obj_methods, objmethods.ga_data,
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diff changeset
275 sizeof(ufunc_T *) * objmethods.ga_len);
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diff changeset
276 vim_free(objmethods.ga_data);
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diff changeset
277
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diff changeset
278 cl->class_type.tt_type = VAR_CLASS;
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diff changeset
279 cl->class_type.tt_member = (type_T *)cl;
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diff changeset
280 cl->class_type_list = type_list;
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diff changeset
281
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diff changeset
282 // TODO:
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diff changeset
283 // - Add the methods to the class
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diff changeset
284 // - array with ufunc_T pointers
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diff changeset
285 // - Fill hashtab with object members and methods
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diff changeset
286 // - Generate the default new() method, if needed.
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diff changeset
287 // Later:
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diff changeset
288 // - class members
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diff changeset
289 // - class methods
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diff changeset
290
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diff changeset
291 // Add the class to the script-local variables.
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diff changeset
292 typval_T tv;
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diff changeset
293 tv.v_type = VAR_CLASS;
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diff changeset
294 tv.vval.v_class = cl;
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diff changeset
295 set_var_const(cl->class_name, current_sctx.sc_sid,
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diff changeset
296 NULL, &tv, FALSE, ASSIGN_DECL, 0);
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diff changeset
297 return;
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diff changeset
298 }
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diff changeset
299
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diff changeset
300 cleanup:
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diff changeset
301 for (int i = 0; i < objmembers.ga_len; ++i)
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diff changeset
302 {
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diff changeset
303 objmember_T *m = ((objmember_T *)objmembers.ga_data) + i;
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diff changeset
304 vim_free(m->om_name);
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diff changeset
305 }
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diff changeset
306 ga_clear(&objmembers);
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parents: 31335
diff changeset
307
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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diff changeset
308 ga_clear(&objmethods);
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diff changeset
309 clear_type_list(&type_list);
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diff changeset
310 }
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diff changeset
311
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diff changeset
312 /*
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diff changeset
313 * Find member "name" in class "cl" and return its type.
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diff changeset
314 * When not found t_any is returned.
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diff changeset
315 */
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diff changeset
316 type_T *
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diff changeset
317 class_member_type(
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diff changeset
318 class_T *cl,
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diff changeset
319 char_u *name,
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diff changeset
320 char_u *name_end,
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parents: 31335
diff changeset
321 int *member_idx)
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parents: 31335
diff changeset
322 {
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diff changeset
323 *member_idx = -1; // not found (yet)
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parents: 31335
diff changeset
324 size_t len = name_end - name;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
325
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
326 for (int i = 0; i < cl->class_obj_member_count; ++i)
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parents: 31335
diff changeset
327 {
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diff changeset
328 objmember_T *m = cl->class_obj_members + i;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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diff changeset
329 if (STRNCMP(m->om_name, name, len) == 0 && m->om_name[len] == NUL)
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parents: 31335
diff changeset
330 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
331 *member_idx = i;
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diff changeset
332 return m->om_type;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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diff changeset
333 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
334 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
335 return &t_any;
31335
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
336 }
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
337
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
338 /*
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
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parents:
diff changeset
339 * Handle ":interface" up to ":endinterface".
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
340 */
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
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parents:
diff changeset
341 void
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
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parents:
diff changeset
342 ex_interface(exarg_T *eap UNUSED)
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
343 {
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
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parents:
diff changeset
344 // TODO
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parents:
diff changeset
345 }
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
346
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
347 /*
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
348 * Handle ":enum" up to ":endenum".
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
349 */
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
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parents:
diff changeset
350 void
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
351 ex_enum(exarg_T *eap UNUSED)
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
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parents:
diff changeset
352 {
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
353 // TODO
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
354 }
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
355
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
356 /*
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
357 * Handle ":type".
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
358 */
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
359 void
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
360 ex_type(exarg_T *eap UNUSED)
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
361 {
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
362 // TODO
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
363 }
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
364
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
365 /*
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parents: 31335
diff changeset
366 * Evaluate what comes after a class:
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parents: 31335
diff changeset
367 * - class member: SomeClass.varname
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parents: 31335
diff changeset
368 * - class method: SomeClass.SomeMethod()
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parents: 31335
diff changeset
369 * - class constructor: SomeClass.new()
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parents: 31335
diff changeset
370 * - object member: someObject.varname
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parents: 31335
diff changeset
371 * - object method: someObject.SomeMethod()
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parents: 31335
diff changeset
372 *
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diff changeset
373 * "*arg" points to the '.'.
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parents: 31335
diff changeset
374 * "*arg" is advanced to after the member name or method call.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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diff changeset
375 *
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diff changeset
376 * Returns FAIL or OK.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
377 */
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
378 int
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Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
379 class_object_index(
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
380 char_u **arg,
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
381 typval_T *rettv,
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
382 evalarg_T *evalarg,
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
383 int verbose UNUSED) // give error messages
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
384 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
385 // int evaluate = evalarg != NULL
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
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parents: 31335
diff changeset
386 // && (evalarg->eval_flags & EVAL_EVALUATE);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
387
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
388 if (VIM_ISWHITE((*arg)[1]))
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
389 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
390 semsg(_(e_no_white_space_allowed_after_str_str), ".", *arg);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
391 return FAIL;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
392 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
393
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
394 ++*arg;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
395 char_u *name = *arg;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
396 char_u *name_end = find_name_end(name, NULL, NULL, FNE_CHECK_START);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
397 if (name_end == name)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
398 return FAIL;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
399 size_t len = name_end - name;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
400
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
401 class_T *cl = rettv->v_type == VAR_CLASS ? rettv->vval.v_class
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
402 : rettv->vval.v_object->obj_class;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
403 if (*name_end == '(')
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
404 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
405 for (int i = 0; i < cl->class_obj_method_count; ++i)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
406 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
407 ufunc_T *fp = cl->class_obj_methods[i];
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
408 if (STRNCMP(name, fp->uf_name, len) == 0 && fp->uf_name[len] == NUL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
409 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
410 typval_T argvars[MAX_FUNC_ARGS + 1];
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
411 int argcount = 0;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
412
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
413 char_u *argp = name_end;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
414 int ret = get_func_arguments(&argp, evalarg, 0,
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
415 argvars, &argcount);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
416 if (ret == FAIL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
417 return FAIL;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
418
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
419 funcexe_T funcexe;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
420 CLEAR_FIELD(funcexe);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
421 funcexe.fe_evaluate = TRUE;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
422
31404
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
423 // Clear the class or object after calling the function, in
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
424 // case the refcount is one.
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
425 typval_T tv_tofree = *rettv;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
426 rettv->v_type = VAR_UNKNOWN;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
427
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
428 // Call the user function. Result goes into rettv;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
429 // TODO: pass the object
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
430 int error = call_user_func_check(fp, argcount, argvars,
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
431 rettv, &funcexe, NULL);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
432
31404
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
433 // Clear the previous rettv and the arguments.
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
434 clear_tv(&tv_tofree);
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
435 for (int idx = 0; idx < argcount; ++idx)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
436 clear_tv(&argvars[idx]);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
437
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
438 if (error != FCERR_NONE)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
439 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
440 user_func_error(error, printable_func_name(fp),
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
441 funcexe.fe_found_var);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
442 return FAIL;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
443 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
444 *arg = argp;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
445 return OK;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
446 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
447 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
448
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
449 semsg(_(e_method_not_found_on_class_str_str), cl->class_name, name);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
450 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
451
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
452 else if (rettv->v_type == VAR_OBJECT)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
453 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
454 for (int i = 0; i < cl->class_obj_member_count; ++i)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
455 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
456 objmember_T *m = &cl->class_obj_members[i];
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
457 if (STRNCMP(name, m->om_name, len) == 0 && m->om_name[len] == NUL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
458 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
459 // The object only contains a pointer to the class, the member
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
460 // values array follows right after that.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
461 object_T *obj = rettv->vval.v_object;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
462 typval_T *tv = (typval_T *)(obj + 1) + i;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
463 copy_tv(tv, rettv);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
464 object_unref(obj);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
465
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
466 *arg = name_end;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
467 return OK;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
468 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
469 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
470
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
471 semsg(_(e_member_not_found_on_object_str_str), cl->class_name, name);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
472 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
473
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
474 // TODO: class member
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
475
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
476 return FAIL;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
477 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
478
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
479 /*
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
480 * Make a copy of an object.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
481 */
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
482 void
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
483 copy_object(typval_T *from, typval_T *to)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
484 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
485 *to = *from;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
486 if (to->vval.v_object != NULL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
487 ++to->vval.v_object->obj_refcount;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
488 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
489
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
490 /*
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
491 * Free an object.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
492 */
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
493 static void
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
494 object_clear(object_T *obj)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
495 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
496 class_T *cl = obj->obj_class;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
497
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
498 // the member values are just after the object structure
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
499 typval_T *tv = (typval_T *)(obj + 1);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
500 for (int i = 0; i < cl->class_obj_member_count; ++i)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
501 clear_tv(tv + i);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
502
31404
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
503 // Remove from the list headed by "first_object".
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
504 object_cleared(obj);
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
505
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
506 vim_free(obj);
31404
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
507 class_unref(cl);
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
508 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
509
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
510 /*
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
511 * Unreference an object.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
512 */
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
513 void
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
514 object_unref(object_T *obj)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
515 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
516 if (obj != NULL && --obj->obj_refcount <= 0)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
517 object_clear(obj);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
518 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
519
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
520 /*
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
521 * Make a copy of a class.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
522 */
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
523 void
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
524 copy_class(typval_T *from, typval_T *to)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
525 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
526 *to = *from;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
527 if (to->vval.v_class != NULL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
528 ++to->vval.v_class->class_refcount;
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
529 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
530
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
531 /*
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
532 * Unreference a class. Free it when the reference count goes down to zero.
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
533 */
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
534 void
31404
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
535 class_unref(class_T *cl)
31396
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
536 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
537 if (cl != NULL && --cl->class_refcount <= 0)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
538 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
539 vim_free(cl->class_name);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
540
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
541 for (int i = 0; i < cl->class_obj_member_count; ++i)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
542 {
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
543 objmember_T *m = &cl->class_obj_members[i];
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
544 vim_free(m->om_name);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
545 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
546 vim_free(cl->class_obj_members);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
547
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
548 vim_free(cl->class_obj_methods);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
549
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
550 if (cl->class_new_func != NULL)
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
551 func_ptr_unref(cl->class_new_func);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
552
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
553 clear_type_list(&cl->class_type_list);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
554
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
555 vim_free(cl);
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
556 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
557 }
307f68a41b03 patch 9.0.1031: Vim9 class is not implemented yet
Bram Moolenaar <Bram@vim.org>
parents: 31335
diff changeset
558
31404
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
559 static object_T *first_object = NULL;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
560
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
561 /*
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
562 * Call this function when an object has been created. It will be added to the
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
563 * list headed by "first_object".
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
564 */
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
565 void
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
566 object_created(object_T *obj)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
567 {
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
568 if (first_object != NULL)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
569 {
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
570 obj->obj_next_used = first_object;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
571 first_object->obj_prev_used = obj;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
572 }
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
573 first_object = obj;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
574 }
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
575
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
576 /*
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
577 * Call this function when an object has been cleared and is about to be freed.
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
578 * It is removed from the list headed by "first_object".
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
579 */
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
580 void
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
581 object_cleared(object_T *obj)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
582 {
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
583 if (obj->obj_next_used != NULL)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
584 obj->obj_next_used->obj_prev_used = obj->obj_prev_used;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
585 if (obj->obj_prev_used != NULL)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
586 obj->obj_prev_used->obj_next_used = obj->obj_next_used;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
587 else if (first_object == obj)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
588 first_object = obj->obj_next_used;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
589 }
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
590
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
591 /*
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
592 * Go through the list of all objects and free items without "copyID".
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
593 */
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
594 int
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
595 object_free_nonref(int copyID)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
596 {
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
597 int did_free = FALSE;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
598 object_T *next_obj;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
599
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
600 for (object_T *obj = first_object; obj != NULL; obj = next_obj)
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
601 {
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
602 next_obj = obj->obj_next_used;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
603 if ((obj->obj_copyID & COPYID_MASK) != (copyID & COPYID_MASK))
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
604 {
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
605 // Free the object and items it contains.
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
606 object_clear(obj);
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
607 did_free = TRUE;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
608 }
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
609 }
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
610
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
611 return did_free;
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
612 }
60b1d266548d patch 9.0.1035: object members are not being marked as used
Bram Moolenaar <Bram@vim.org>
parents: 31396
diff changeset
613
31335
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
614
5acc0d2cf4f7 patch 9.0.1001: classes are not documented or implemented yet
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
615 #endif // FEAT_EVAL