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      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Flags: --ignition-filter=f --expose-debug-as debug
     29 
     30 // This test tests that full code compiled without debug break slots
     31 // is recompiled with debug break slots when debugging is started.
     32 
     33 // Get the Debug object exposed from the debug context global object.
     34 Debug = debug.Debug
     35 
     36 var done = false;
     37 var step_count = 0;
     38 var values = [];
     39 
     40 // Debug event listener which steps until the global variable done is true.
     41 function listener(event, exec_state, event_data, data) {
     42   if (event == Debug.DebugEvent.Break) {
     43     if (!done) exec_state.prepareStep(Debug.StepAction.StepNext);
     44     step_count++;
     45   }
     46 };
     47 
     48 // Set the global variables state to prpare the stepping test.
     49 function prepare_step_test() {
     50   done = false;
     51   step_count = 0;
     52 }
     53 
     54 // Test function to step through, uses widended bytecodes.
     55 function f() {
     56 var x = 10000000;
     57 var y = x + 1;
     58 var _aa = 0; values[_aa] = _aa;
     59 var _ab = 1; values[_ab] = _ab;
     60 var _ac = 2; values[_ac] = _ac;
     61 var _ad = 3; values[_ad] = _ad;
     62 var _ae = 4; values[_ae] = _ae;
     63 var _af = 5; values[_af] = _af;
     64 var _ag = 6; values[_ag] = _ag;
     65 var _ah = 7; values[_ah] = _ah;
     66 var _ai = 8; values[_ai] = _ai;
     67 var _aj = 9; values[_aj] = _aj;
     68 var _ak = 10; values[_ak] = _ak;
     69 var _al = 11; values[_al] = _al;
     70 var _am = 12; values[_am] = _am;
     71 var _an = 13; values[_an] = _an;
     72 var _ao = 14; values[_ao] = _ao;
     73 var _ap = 15; values[_ap] = _ap;
     74 var _ba = 16; values[_ba] = _ba;
     75 var _bb = 17; values[_bb] = _bb;
     76 var _bc = 18; values[_bc] = _bc;
     77 var _bd = 19; values[_bd] = _bd;
     78 var _be = 20; values[_be] = _be;
     79 var _bf = 21; values[_bf] = _bf;
     80 var _bg = 22; values[_bg] = _bg;
     81 var _bh = 23; values[_bh] = _bh;
     82 var _bi = 24; values[_bi] = _bi;
     83 var _bj = 25; values[_bj] = _bj;
     84 var _bk = 26; values[_bk] = _bk;
     85 var _bl = 27; values[_bl] = _bl;
     86 var _bm = 28; values[_bm] = _bm;
     87 var _bn = 29; values[_bn] = _bn;
     88 var _bo = 30; values[_bo] = _bo;
     89 var _bp = 31; values[_bp] = _bp;
     90 var _ca = 32; values[_ca] = _ca;
     91 var _cb = 33; values[_cb] = _cb;
     92 var _cc = 34; values[_cc] = _cc;
     93 var _cd = 35; values[_cd] = _cd;
     94 var _ce = 36; values[_ce] = _ce;
     95 var _cf = 37; values[_cf] = _cf;
     96 var _cg = 38; values[_cg] = _cg;
     97 var _ch = 39; values[_ch] = _ch;
     98 var _ci = 40; values[_ci] = _ci;
     99 var _cj = 41; values[_cj] = _cj;
    100 var _ck = 42; values[_ck] = _ck;
    101 var _cl = 43; values[_cl] = _cl;
    102 var _cm = 44; values[_cm] = _cm;
    103 var _cn = 45; values[_cn] = _cn;
    104 var _co = 46; values[_co] = _co;
    105 var _cp = 47; values[_cp] = _cp;
    106 var _da = 48; values[_da] = _da;
    107 var _db = 49; values[_db] = _db;
    108 var _dc = 50; values[_dc] = _dc;
    109 var _dd = 51; values[_dd] = _dd;
    110 var _de = 52; values[_de] = _de;
    111 var _df = 53; values[_df] = _df;
    112 var _dg = 54; values[_dg] = _dg;
    113 var _dh = 55; values[_dh] = _dh;
    114 var _di = 56; values[_di] = _di;
    115 var _dj = 57; values[_dj] = _dj;
    116 var _dk = 58; values[_dk] = _dk;
    117 var _dl = 59; values[_dl] = _dl;
    118 var _dm = 60; values[_dm] = _dm;
    119 var _dn = 61; values[_dn] = _dn;
    120 var _do = 62; values[_do] = _do;
    121 var _dp = 63; values[_dp] = _dp;
    122 var _ea = 64; values[_ea] = _ea;
    123 var _eb = 65; values[_eb] = _eb;
    124 var _ec = 66; values[_ec] = _ec;
    125 var _ed = 67; values[_ed] = _ed;
    126 var _ee = 68; values[_ee] = _ee;
    127 var _ef = 69; values[_ef] = _ef;
    128 var _eg = 70; values[_eg] = _eg;
    129 var _eh = 71; values[_eh] = _eh;
    130 var _ei = 72; values[_ei] = _ei;
    131 var _ej = 73; values[_ej] = _ej;
    132 var _ek = 74; values[_ek] = _ek;
    133 var _el = 75; values[_el] = _el;
    134 var _em = 76; values[_em] = _em;
    135 var _en = 77; values[_en] = _en;
    136 var _eo = 78; values[_eo] = _eo;
    137 var _ep = 79; values[_ep] = _ep;
    138 var _fa = 80; values[_fa] = _fa;
    139 var _fb = 81; values[_fb] = _fb;
    140 var _fc = 82; values[_fc] = _fc;
    141 var _fd = 83; values[_fd] = _fd;
    142 var _fe = 84; values[_fe] = _fe;
    143 var _ff = 85; values[_ff] = _ff;
    144 var _fg = 86; values[_fg] = _fg;
    145 var _fh = 87; values[_fh] = _fh;
    146 var _fi = 88; values[_fi] = _fi;
    147 var _fj = 89; values[_fj] = _fj;
    148 var _fk = 90; values[_fk] = _fk;
    149 var _fl = 91; values[_fl] = _fl;
    150 var _fm = 92; values[_fm] = _fm;
    151 var _fn = 93; values[_fn] = _fn;
    152 var _fo = 94; values[_fo] = _fo;
    153 var _fp = 95; values[_fp] = _fp;
    154 var _ga = 96; values[_ga] = _ga;
    155 var _gb = 97; values[_gb] = _gb;
    156 var _gc = 98; values[_gc] = _gc;
    157 var _gd = 99; values[_gd] = _gd;
    158 var _ge = 100; values[_ge] = _ge;
    159 var _gf = 101; values[_gf] = _gf;
    160 var _gg = 102; values[_gg] = _gg;
    161 var _gh = 103; values[_gh] = _gh;
    162 var _gi = 104; values[_gi] = _gi;
    163 var _gj = 105; values[_gj] = _gj;
    164 var _gk = 106; values[_gk] = _gk;
    165 var _gl = 107; values[_gl] = _gl;
    166 var _gm = 108; values[_gm] = _gm;
    167 var _gn = 109; values[_gn] = _gn;
    168 var _go = 110; values[_go] = _go;
    169 var _gp = 111; values[_gp] = _gp;
    170 var _ha = 112; values[_ha] = _ha;
    171 var _hb = 113; values[_hb] = _hb;
    172 var _hc = 114; values[_hc] = _hc;
    173 var _hd = 115; values[_hd] = _hd;
    174 var _he = 116; values[_he] = _he;
    175 var _hf = 117; values[_hf] = _hf;
    176 var _hg = 118; values[_hg] = _hg;
    177 var _hh = 119; values[_hh] = _hh;
    178 var _hi = 120; values[_hi] = _hi;
    179 var _hj = 121; values[_hj] = _hj;
    180 var _hk = 122; values[_hk] = _hk;
    181 var _hl = 123; values[_hl] = _hl;
    182 var _hm = 124; values[_hm] = _hm;
    183 var _hn = 125; values[_hn] = _hn;
    184 var _ho = 126; values[_ho] = _ho;
    185 var _hp = 127; values[_hp] = _hp;
    186 var _ia = 128; values[_ia] = _ia;
    187 var _ib = 129; values[_ib] = _ib;
    188 var _ic = 130; values[_ic] = _ic;
    189 var _id = 131; values[_id] = _id;
    190 var _ie = 132; values[_ie] = _ie;
    191 var _if = 133; values[_if] = _if;
    192 var _ig = 134; values[_ig] = _ig;
    193 var _ih = 135; values[_ih] = _ih;
    194 var _ii = 136; values[_ii] = _ii;
    195 var _ij = 137; values[_ij] = _ij;
    196 var _ik = 138; values[_ik] = _ik;
    197 var _il = 139; values[_il] = _il;
    198 var _im = 140; values[_im] = _im;
    199 var _in = 141; values[_in] = _in;
    200 var _io = 142; values[_io] = _io;
    201 var _ip = 143; values[_ip] = _ip;
    202 var _ja = 144; values[_ja] = _ja;
    203 var _jb = 145; values[_jb] = _jb;
    204 var _jc = 146; values[_jc] = _jc;
    205 var _jd = 147; values[_jd] = _jd;
    206 var _je = 148; values[_je] = _je;
    207 var _jf = 149; values[_jf] = _jf;
    208 var _jg = 150; values[_jg] = _jg;
    209 var _jh = 151; values[_jh] = _jh;
    210 var _ji = 152; values[_ji] = _ji;
    211 var _jj = 153; values[_jj] = _jj;
    212 var _jk = 154; values[_jk] = _jk;
    213 var _jl = 155; values[_jl] = _jl;
    214 var _jm = 156; values[_jm] = _jm;
    215 var _jn = 157; values[_jn] = _jn;
    216 var _jo = 158; values[_jo] = _jo;
    217 var _jp = 159; values[_jp] = _jp;
    218 var _ka = 160; values[_ka] = _ka;
    219 var _kb = 161; values[_kb] = _kb;
    220 var _kc = 162; values[_kc] = _kc;
    221 var _kd = 163; values[_kd] = _kd;
    222 var _ke = 164; values[_ke] = _ke;
    223 var _kf = 165; values[_kf] = _kf;
    224 var _kg = 166; values[_kg] = _kg;
    225 var _kh = 167; values[_kh] = _kh;
    226 var _ki = 168; values[_ki] = _ki;
    227 var _kj = 169; values[_kj] = _kj;
    228 var _kk = 170; values[_kk] = _kk;
    229 var _kl = 171; values[_kl] = _kl;
    230 var _km = 172; values[_km] = _km;
    231 var _kn = 173; values[_kn] = _kn;
    232 var _ko = 174; values[_ko] = _ko;
    233 var _kp = 175; values[_kp] = _kp;
    234 var _la = 176; values[_la] = _la;
    235 var _lb = 177; values[_lb] = _lb;
    236 var _lc = 178; values[_lc] = _lc;
    237 var _ld = 179; values[_ld] = _ld;
    238 var _le = 180; values[_le] = _le;
    239 var _lf = 181; values[_lf] = _lf;
    240 var _lg = 182; values[_lg] = _lg;
    241 var _lh = 183; values[_lh] = _lh;
    242 var _li = 184; values[_li] = _li;
    243 var _lj = 185; values[_lj] = _lj;
    244 var _lk = 186; values[_lk] = _lk;
    245 var _ll = 187; values[_ll] = _ll;
    246 var _lm = 188; values[_lm] = _lm;
    247 var _ln = 189; values[_ln] = _ln;
    248 var _lo = 190; values[_lo] = _lo;
    249 var _lp = 191; values[_lp] = _lp;
    250 var _ma = 192; values[_ma] = _ma;
    251 var _mb = 193; values[_mb] = _mb;
    252 var _mc = 194; values[_mc] = _mc;
    253 var _md = 195; values[_md] = _md;
    254 var _me = 196; values[_me] = _me;
    255 var _mf = 197; values[_mf] = _mf;
    256 var _mg = 198; values[_mg] = _mg;
    257 var _mh = 199; values[_mh] = _mh;
    258 var _mi = 200; values[_mi] = _mi;
    259 var _mj = 201; values[_mj] = _mj;
    260 var _mk = 202; values[_mk] = _mk;
    261 var _ml = 203; values[_ml] = _ml;
    262 var _mm = 204; values[_mm] = _mm;
    263 var _mn = 205; values[_mn] = _mn;
    264 var _mo = 206; values[_mo] = _mo;
    265 var _mp = 207; values[_mp] = _mp;
    266 var _na = 208; values[_na] = _na;
    267 var _nb = 209; values[_nb] = _nb;
    268 var _nc = 210; values[_nc] = _nc;
    269 var _nd = 211; values[_nd] = _nd;
    270 var _ne = 212; values[_ne] = _ne;
    271 var _nf = 213; values[_nf] = _nf;
    272 var _ng = 214; values[_ng] = _ng;
    273 var _nh = 215; values[_nh] = _nh;
    274 var _ni = 216; values[_ni] = _ni;
    275 var _nj = 217; values[_nj] = _nj;
    276 var _nk = 218; values[_nk] = _nk;
    277 var _nl = 219; values[_nl] = _nl;
    278 var _nm = 220; values[_nm] = _nm;
    279 var _nn = 221; values[_nn] = _nn;
    280 var _no = 222; values[_no] = _no;
    281 var _np = 223; values[_np] = _np;
    282 var _oa = 224; values[_oa] = _oa;
    283 var _ob = 225; values[_ob] = _ob;
    284 var _oc = 226; values[_oc] = _oc;
    285 var _od = 227; values[_od] = _od;
    286 var _oe = 228; values[_oe] = _oe;
    287 var _of = 229; values[_of] = _of;
    288 var _og = 230; values[_og] = _og;
    289 var _oh = 231; values[_oh] = _oh;
    290 var _oi = 232; values[_oi] = _oi;
    291 var _oj = 233; values[_oj] = _oj;
    292 var _ok = 234; values[_ok] = _ok;
    293 var _ol = 235; values[_ol] = _ol;
    294 var _om = 236; values[_om] = _om;
    295 var _on = 237; values[_on] = _on;
    296 var _oo = 238; values[_oo] = _oo;
    297 var _op = 239; values[_op] = _op;
    298 var _pa = 240; values[_pa] = _pa;
    299 var _pb = 241; values[_pb] = _pb;
    300 var _pc = 242; values[_pc] = _pc;
    301 var _pd = 243; values[_pd] = _pd;
    302 var _pe = 244; values[_pe] = _pe;
    303 var _pf = 245; values[_pf] = _pf;
    304 var _pg = 246; values[_pg] = _pg;
    305 var _ph = 247; values[_ph] = _ph;
    306 var _pi = 248; values[_pi] = _pi;
    307 var _pj = 249; values[_pj] = _pj;
    308 var _pk = 250; values[_pk] = _pk;
    309 var _pl = 251; values[_pl] = _pl;
    310 var _pm = 252; values[_pm] = _pm;
    311 var _pn = 253; values[_pn] = _pn;
    312 var _po = 254; values[_po] = _po;
    313 var _pp = 255; values[_pp] = _pp;
    314 var _qa = 256; values[_qa] = _qa;
    315 var _qb = 257; values[_qb] = _qb;
    316 var _qc = 258; values[_qc] = _qc;
    317 var _qd = 259; values[_qd] = _qd;
    318 var _qe = 260; values[_qe] = _qe;
    319 var _qf = 261; values[_qf] = _qf;
    320 var _qg = 262; values[_qg] = _qg;
    321 var _qh = 263; values[_qh] = _qh;
    322 var _qi = 264; values[_qi] = _qi;
    323 var _qj = 265; values[_qj] = _qj;
    324 var _qk = 266; values[_qk] = _qk;
    325 var _ql = 267; values[_ql] = _ql;
    326 var _qm = 268; values[_qm] = _qm;
    327 var _qn = 269; values[_qn] = _qn;
    328 var _qo = 270; values[_qo] = _qo;
    329 var _qp = 271; values[_qp] = _qp;
    330 var _ra = 272; values[_ra] = _ra;
    331 var _rb = 273; values[_rb] = _rb;
    332 var _rc = 274; values[_rc] = _rc;
    333 var _rd = 275; values[_rd] = _rd;
    334 var _re = 276; values[_re] = _re;
    335 var _rf = 277; values[_rf] = _rf;
    336 var _rg = 278; values[_rg] = _rg;
    337 var _rh = 279; values[_rh] = _rh;
    338 var _ri = 280; values[_ri] = _ri;
    339 var _rj = 281; values[_rj] = _rj;
    340 var _rk = 282; values[_rk] = _rk;
    341 var _rl = 283; values[_rl] = _rl;
    342 var _rm = 284; values[_rm] = _rm;
    343 var _rn = 285; values[_rn] = _rn;
    344 var _ro = 286; values[_ro] = _ro;
    345 var _rp = 287; values[_rp] = _rp;
    346   done = true;
    347 };
    348 
    349 function check_values() {
    350   for (var i = 0; i < values.length; i++) {
    351     assertEquals(values[i], i);
    352     values[i] = -i;
    353   }
    354 }
    355 
    356 // Pass 1 - no debugger, no steps seen
    357 prepare_step_test();
    358 f();
    359 check_values();
    360 assertEquals(0, step_count);
    361 
    362 // Pass 2 - debugger attached and stepping from BP
    363 Debug.setListener(listener);
    364 var bp = Debug.setBreakPoint(f, 1);
    365 prepare_step_test();
    366 f();
    367 check_values();
    368 assertEquals(580, step_count);
    369 Debug.clearBreakPoint(bp);
    370 
    371 // Pass 3 - debugger attached and no BP
    372 prepare_step_test();
    373 f();
    374 check_values();
    375 assertEquals(0, step_count);
    376