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annotate third_party/luajit/src/lib_buffer.c @ 279:b3b547563ec7

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Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
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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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diff changeset
128 lj_strfmt_putfnum((SBuf *)sbx, STRFMT_G14, numV(o));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
129 } else if (tvisbuf(o)) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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);
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255 return 1;
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256 }
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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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diff changeset
325 if (sz > 0) lj_buf_need2((SBuf *)sbx, sz);
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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
357 return 1;
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diff changeset
358 }
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diff changeset
359
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360 #endif