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annotate third_party/luajit/src/lib_buffer.c @ 203:92a57bd716c1

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removed unused file
author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 09:13:09 -0800
parents 94705b5986b3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
178
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1 /*
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2 ** Buffer library.
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 */
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5
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6 #define lib_buffer_c
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7 #define LUA_LIB
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8
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9 #include "lua.h"
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10 #include "lauxlib.h"
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11 #include "lualib.h"
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12
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13 #include "lj_obj.h"
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14
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15 #if LJ_HASBUFFER
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16 #include "lj_gc.h"
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17 #include "lj_err.h"
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18 #include "lj_buf.h"
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19 #include "lj_str.h"
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20 #include "lj_tab.h"
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21 #include "lj_udata.h"
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22 #include "lj_meta.h"
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23 #if LJ_HASFFI
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24 #include "lj_ctype.h"
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25 #include "lj_cdata.h"
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26 #include "lj_cconv.h"
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27 #endif
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28 #include "lj_strfmt.h"
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29 #include "lj_serialize.h"
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30 #include "lj_lib.h"
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31
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32 /* -- Helper functions ---------------------------------------------------- */
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33
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34 /* Check that the first argument is a string buffer. */
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35 static SBufExt *buffer_tobuf(lua_State *L)
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36 {
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37 if (!(L->base < L->top && tvisbuf(L->base)))
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38 lj_err_argtype(L, 1, "buffer");
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39 return bufV(L->base);
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40 }
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41
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42 /* Ditto, but for writers. */
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43 static LJ_AINLINE SBufExt *buffer_tobufw(lua_State *L)
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44 {
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45 SBufExt *sbx = buffer_tobuf(L);
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46 setsbufXL_(sbx, L);
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47 return sbx;
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48 }
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49
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50 #define buffer_toudata(sbx) ((GCudata *)(sbx)-1)
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51
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52 /* -- Buffer methods ------------------------------------------------------ */
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53
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54 #define LJLIB_MODULE_buffer_method
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55
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56 LJLIB_CF(buffer_method_free)
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57 {
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58 SBufExt *sbx = buffer_tobuf(L);
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59 lj_bufx_free(L, sbx);
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60 L->top = L->base+1; /* Chain buffer object. */
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61 return 1;
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62 }
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63
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64 LJLIB_CF(buffer_method_reset) LJLIB_REC(.)
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65 {
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66 SBufExt *sbx = buffer_tobuf(L);
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67 lj_bufx_reset(sbx);
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68 L->top = L->base+1; /* Chain buffer object. */
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69 return 1;
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70 }
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71
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72 LJLIB_CF(buffer_method_skip) LJLIB_REC(.)
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73 {
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74 SBufExt *sbx = buffer_tobuf(L);
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75 MSize n = (MSize)lj_lib_checkintrange(L, 2, 0, LJ_MAX_BUF);
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76 MSize len = sbufxlen(sbx);
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77 if (n < len) {
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78 sbx->r += n;
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79 } else if (sbufiscow(sbx)) {
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80 sbx->r = sbx->w;
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81 } else {
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82 sbx->r = sbx->w = sbx->b;
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83 }
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84 L->top = L->base+1; /* Chain buffer object. */
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85 return 1;
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86 }
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87
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88 LJLIB_CF(buffer_method_set) LJLIB_REC(.)
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89 {
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90 SBufExt *sbx = buffer_tobuf(L);
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91 GCobj *ref;
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92 const char *p;
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93 MSize len;
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94 #if LJ_HASFFI
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95 if (tviscdata(L->base+1)) {
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96 CTState *cts = ctype_cts(L);
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97 lj_cconv_ct_tv(cts, ctype_get(cts, CTID_P_CVOID), (uint8_t *)&p,
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98 L->base+1, CCF_ARG(2));
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99 len = (MSize)lj_lib_checkintrange(L, 3, 0, LJ_MAX_BUF);
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100 } else
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101 #endif
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102 {
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103 GCstr *str = lj_lib_checkstrx(L, 2);
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104 p = strdata(str);
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105 len = str->len;
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106 }
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107 lj_bufx_free(L, sbx);
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108 lj_bufx_set_cow(L, sbx, p, len);
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109 ref = gcV(L->base+1);
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110 setgcref(sbx->cowref, ref);
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111 lj_gc_objbarrier(L, buffer_toudata(sbx), ref);
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112 L->top = L->base+1; /* Chain buffer object. */
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113 return 1;
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114 }
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115
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116 LJLIB_CF(buffer_method_put) LJLIB_REC(.)
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117 {
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118 SBufExt *sbx = buffer_tobufw(L);
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119 ptrdiff_t arg, narg = L->top - L->base;
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120 for (arg = 1; arg < narg; arg++) {
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121 cTValue *o = &L->base[arg], *mo = NULL;
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122 retry:
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123 if (tvisstr(o)) {
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124 lj_buf_putstr((SBuf *)sbx, strV(o));
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125 } else if (tvisint(o)) {
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126 lj_strfmt_putint((SBuf *)sbx, intV(o));
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127 } else if (tvisnum(o)) {
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128 lj_strfmt_putfnum((SBuf *)sbx, STRFMT_G14, numV(o));
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129 } else if (tvisbuf(o)) {
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MrJuneJune <me@mrjunejune.com>
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diff changeset
130 SBufExt *sbx2 = bufV(o);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
131 if (sbx2 == sbx) lj_err_arg(L, (int)(arg+1), LJ_ERR_BUFFER_SELF);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
132 lj_buf_putmem((SBuf *)sbx, sbx2->r, sbufxlen(sbx2));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
133 } else if (!mo && !tvisnil(mo = lj_meta_lookup(L, o, MM_tostring))) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
134 /* Call __tostring metamethod inline. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
135 copyTV(L, L->top++, mo);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
136 copyTV(L, L->top++, o);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
137 lua_call(L, 1, 1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
138 o = &L->base[arg]; /* The stack may have been reallocated. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
139 copyTV(L, &L->base[arg], L->top-1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
140 L->top = L->base + narg;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
141 goto retry; /* Retry with the result. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
142 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
143 lj_err_argtype(L, (int)(arg+1), "string/number/__tostring");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
144 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
145 /* Probably not useful to inline other __tostring MMs, e.g. FFI numbers. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
146 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
147 L->top = L->base+1; /* Chain buffer object. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
148 lj_gc_check(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
149 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
150 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
151
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
152 LJLIB_CF(buffer_method_putf) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
153 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
154 SBufExt *sbx = buffer_tobufw(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
155 lj_strfmt_putarg(L, (SBuf *)sbx, 2, 2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
156 L->top = L->base+1; /* Chain buffer object. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
157 lj_gc_check(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
158 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
159 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
160
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
161 LJLIB_CF(buffer_method_get) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
162 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
163 SBufExt *sbx = buffer_tobuf(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
164 ptrdiff_t arg, narg = L->top - L->base;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
165 if (narg == 1) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
166 narg++;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
167 setnilV(L->top++); /* get() is the same as get(nil). */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
168 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
169 for (arg = 1; arg < narg; arg++) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
170 TValue *o = &L->base[arg];
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
171 MSize n = tvisnil(o) ? LJ_MAX_BUF :
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
172 (MSize) lj_lib_checkintrange(L, (int)(arg+1), 0, LJ_MAX_BUF);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
173 MSize len = sbufxlen(sbx);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
174 if (n > len) n = len;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
175 setstrV(L, o, lj_str_new(L, sbx->r, n));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
176 sbx->r += n;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
177 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
178 if (sbx->r == sbx->w && !sbufiscow(sbx)) sbx->r = sbx->w = sbx->b;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
179 lj_gc_check(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
180 return (int)(narg-1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
181 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
182
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
183 #if LJ_HASFFI
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
184 LJLIB_CF(buffer_method_putcdata) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
185 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
186 SBufExt *sbx = buffer_tobufw(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
187 const char *p;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
188 MSize len;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
189 if (tviscdata(L->base+1)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
190 CTState *cts = ctype_cts(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
191 lj_cconv_ct_tv(cts, ctype_get(cts, CTID_P_CVOID), (uint8_t *)&p,
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
192 L->base+1, CCF_ARG(2));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
193 } else {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
194 lj_err_argtype(L, 2, "cdata");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
195 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
196 len = (MSize)lj_lib_checkintrange(L, 3, 0, LJ_MAX_BUF);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
197 lj_buf_putmem((SBuf *)sbx, p, len);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
198 L->top = L->base+1; /* Chain buffer object. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
199 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
200 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
201
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
202 LJLIB_CF(buffer_method_reserve) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
203 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
204 SBufExt *sbx = buffer_tobufw(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
205 MSize sz = (MSize)lj_lib_checkintrange(L, 2, 0, LJ_MAX_BUF);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
206 GCcdata *cd;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
207 lj_buf_more((SBuf *)sbx, sz);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
208 ctype_loadffi(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
209 cd = lj_cdata_new_(L, CTID_P_UINT8, CTSIZE_PTR);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
210 *(void **)cdataptr(cd) = sbx->w;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
211 setcdataV(L, L->top++, cd);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
212 setintV(L->top++, sbufleft(sbx));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
213 return 2;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
214 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
215
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
216 LJLIB_CF(buffer_method_commit) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
217 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
218 SBufExt *sbx = buffer_tobuf(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
219 MSize len = (MSize)lj_lib_checkintrange(L, 2, 0, LJ_MAX_BUF);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
220 if (len > sbufleft(sbx)) lj_err_arg(L, 2, LJ_ERR_NUMRNG);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
221 sbx->w += len;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
222 L->top = L->base+1; /* Chain buffer object. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
223 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
224 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
225
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
226 LJLIB_CF(buffer_method_ref) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
227 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
228 SBufExt *sbx = buffer_tobuf(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
229 GCcdata *cd;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
230 ctype_loadffi(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
231 cd = lj_cdata_new_(L, CTID_P_UINT8, CTSIZE_PTR);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
232 *(void **)cdataptr(cd) = sbx->r;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
233 setcdataV(L, L->top++, cd);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
234 setintV(L->top++, sbufxlen(sbx));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
235 return 2;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
236 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
237 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
238
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
239 LJLIB_CF(buffer_method_encode) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
240 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
241 SBufExt *sbx = buffer_tobufw(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
242 cTValue *o = lj_lib_checkany(L, 2);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
243 lj_serialize_put(sbx, o);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 lj_gc_check(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
245 L->top = L->base+1; /* Chain buffer object. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
246 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
247 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
248
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
249 LJLIB_CF(buffer_method_decode) LJLIB_REC(.)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
250 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
251 SBufExt *sbx = buffer_tobufw(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
252 setnilV(L->top++);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
253 sbx->r = lj_serialize_get(sbx, L->top-1);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
254 lj_gc_check(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
255 return 1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
256 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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257
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258 LJLIB_CF(buffer_method___gc)
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259 {
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260 SBufExt *sbx = buffer_tobuf(L);
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261 lj_bufx_free(L, sbx);
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262 return 0;
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263 }
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264
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265 LJLIB_CF(buffer_method___tostring) LJLIB_REC(.)
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266 {
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267 SBufExt *sbx = buffer_tobuf(L);
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268 setstrV(L, L->top-1, lj_str_new(L, sbx->r, sbufxlen(sbx)));
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269 lj_gc_check(L);
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270 return 1;
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271 }
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272
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273 LJLIB_CF(buffer_method___len) LJLIB_REC(.)
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274 {
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275 SBufExt *sbx = buffer_tobuf(L);
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276 setintV(L->top-1, (int32_t)sbufxlen(sbx));
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277 return 1;
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278 }
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279
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280 LJLIB_PUSH("buffer") LJLIB_SET(__metatable)
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281 LJLIB_PUSH(top-1) LJLIB_SET(__index)
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282
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283 /* -- Buffer library functions -------------------------------------------- */
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284
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285 #define LJLIB_MODULE_buffer
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286
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287 LJLIB_PUSH(top-2) LJLIB_SET(!) /* Set environment. */
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288
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289 LJLIB_CF(buffer_new)
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290 {
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291 MSize sz = 0;
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292 int targ = 1;
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293 GCtab *env, *dict_str = NULL, *dict_mt = NULL;
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294 GCudata *ud;
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295 SBufExt *sbx;
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296 if (L->base < L->top && !tvistab(L->base)) {
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297 targ = 2;
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298 if (!tvisnil(L->base))
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299 sz = (MSize)lj_lib_checkintrange(L, 1, 0, LJ_MAX_BUF);
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300 }
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301 if (L->base+targ-1 < L->top) {
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302 GCtab *options = lj_lib_checktab(L, targ);
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303 cTValue *opt_dict, *opt_mt;
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304 opt_dict = lj_tab_getstr(options, lj_str_newlit(L, "dict"));
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305 if (opt_dict && tvistab(opt_dict)) {
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306 dict_str = tabV(opt_dict);
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307 lj_serialize_dict_prep_str(L, dict_str);
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308 }
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309 opt_mt = lj_tab_getstr(options, lj_str_newlit(L, "metatable"));
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310 if (opt_mt && tvistab(opt_mt)) {
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311 dict_mt = tabV(opt_mt);
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312 lj_serialize_dict_prep_mt(L, dict_mt);
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313 }
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314 }
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315 env = tabref(curr_func(L)->c.env);
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316 ud = lj_udata_new(L, sizeof(SBufExt), env);
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317 ud->udtype = UDTYPE_BUFFER;
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318 /* NOBARRIER: The GCudata is new (marked white). */
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319 setgcref(ud->metatable, obj2gco(env));
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320 setudataV(L, L->top++, ud);
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321 sbx = (SBufExt *)uddata(ud);
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322 lj_bufx_init(L, sbx);
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323 setgcref(sbx->dict_str, obj2gco(dict_str));
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324 setgcref(sbx->dict_mt, obj2gco(dict_mt));
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325 if (sz > 0) lj_buf_need2((SBuf *)sbx, sz);
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326 lj_gc_check(L);
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327 return 1;
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328 }
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329
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330 LJLIB_CF(buffer_encode) LJLIB_REC(.)
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331 {
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332 cTValue *o = lj_lib_checkany(L, 1);
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333 setstrV(L, L->top++, lj_serialize_encode(L, o));
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diff changeset
334 lj_gc_check(L);
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335 return 1;
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diff changeset
336 }
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337
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338 LJLIB_CF(buffer_decode) LJLIB_REC(.)
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diff changeset
339 {
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340 GCstr *str = lj_lib_checkstrx(L, 1);
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341 setnilV(L->top++);
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342 lj_serialize_decode(L, L->top-1, str);
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343 lj_gc_check(L);
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diff changeset
344 return 1;
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diff changeset
345 }
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346
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diff changeset
347 /* ------------------------------------------------------------------------ */
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348
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349 #include "lj_libdef.h"
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350
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351 int luaopen_string_buffer(lua_State *L)
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352 {
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353 LJ_LIB_REG(L, NULL, buffer_method);
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354 lua_getfield(L, -1, "__tostring");
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355 lua_setfield(L, -2, "tostring");
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diff changeset
356 LJ_LIB_REG(L, NULL, buffer);
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357 return 1;
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diff changeset
358 }
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359
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360 #endif