1  >function f() {

    ~~~~~~~~~~~~~~~                               => Pos: (0 to 14)  SpanInfo: undefined
--------------------------------
2  >    var y;

    ~~~~~~~~~~~                                   => Pos: (15 to 25)  SpanInfo: undefined
--------------------------------
3  >    var x = 0;

    ~~~~~~~~~~~~~~~                               => Pos: (26 to 40)  SpanInfo: {"start":30,"length":9}
    >var x = 0
    >:=> (line 3, col 4) to (line 3, col 13)
--------------------------------
4  >    for (var i = 0; i < 10; i++) {

    ~~~~~~~~~~~~~~~~~~~                           => Pos: (41 to 59)  SpanInfo: {"start":50,"length":9}
    >var i = 0
    >:=> (line 4, col 9) to (line 4, col 18)
4  >    for (var i = 0; i < 10; i++) {

                       ~~~~~~~~                   => Pos: (60 to 67)  SpanInfo: {"start":61,"length":6}
    >i < 10
    >:=> (line 4, col 20) to (line 4, col 26)
4  >    for (var i = 0; i < 10; i++) {

                               ~~~~~~~~           => Pos: (68 to 75)  SpanInfo: {"start":69,"length":3}
    >i++
    >:=> (line 4, col 28) to (line 4, col 31)
--------------------------------
5  >        x += i;

    ~~~~~~~~~~~~~~~~                              => Pos: (76 to 91)  SpanInfo: {"start":84,"length":6}
    >x += i
    >:=> (line 5, col 8) to (line 5, col 14)
--------------------------------
6  >        x *= 0;

    ~~~~~~~~~~~~~~~~                              => Pos: (92 to 107)  SpanInfo: {"start":100,"length":6}
    >x *= 0
    >:=> (line 6, col 8) to (line 6, col 14)
--------------------------------
7  >    }

    ~~~~~~                                        => Pos: (108 to 113)  SpanInfo: {"start":100,"length":6}
    >x *= 0
    >:=> (line 6, col 8) to (line 6, col 14)
--------------------------------
8  >    if (x > 17) {

    ~~~~~~~~~~~~~~~~~~                            => Pos: (114 to 131)  SpanInfo: {"start":118,"length":11}
    >if (x > 17)
    >:=> (line 8, col 4) to (line 8, col 15)
--------------------------------
9  >        x /= 9;

    ~~~~~~~~~~~~~~~~                              => Pos: (132 to 147)  SpanInfo: {"start":140,"length":6}
    >x /= 9
    >:=> (line 9, col 8) to (line 9, col 14)
--------------------------------
10 >    } else {

    ~~~~~                                         => Pos: (148 to 152)  SpanInfo: {"start":140,"length":6}
    >x /= 9
    >:=> (line 9, col 8) to (line 9, col 14)
10 >    } else {

         ~~~~~~~~                                 => Pos: (153 to 160)  SpanInfo: {"start":169,"length":7}
    >x += 10
    >:=> (line 11, col 8) to (line 11, col 15)
--------------------------------
11 >        x += 10;

    ~~~~~~~~~~~~~~~~~                             => Pos: (161 to 177)  SpanInfo: {"start":169,"length":7}
    >x += 10
    >:=> (line 11, col 8) to (line 11, col 15)
--------------------------------
12 >        x++;

    ~~~~~~~~~~~~~                                 => Pos: (178 to 190)  SpanInfo: {"start":186,"length":3}
    >x++
    >:=> (line 12, col 8) to (line 12, col 11)
--------------------------------
13 >    }

    ~~~~~~                                        => Pos: (191 to 196)  SpanInfo: {"start":186,"length":3}
    >x++
    >:=> (line 12, col 8) to (line 12, col 11)
--------------------------------
14 >    var a = [

    ~~~~~~~~~~~~~~                                => Pos: (197 to 210)  SpanInfo: {"start":201,"length":47}
    >var a = [
    >        1,
    >        2,
    >        3
    >    ]
    >:=> (line 14, col 4) to (line 18, col 5)
--------------------------------
15 >        1,

    ~~~~~~~~~~~                                   => Pos: (211 to 221)  SpanInfo: {"start":201,"length":47}
    >var a = [
    >        1,
    >        2,
    >        3
    >    ]
    >:=> (line 14, col 4) to (line 18, col 5)
--------------------------------
16 >        2,

    ~~~~~~~~~~~                                   => Pos: (222 to 232)  SpanInfo: {"start":201,"length":47}
    >var a = [
    >        1,
    >        2,
    >        3
    >    ]
    >:=> (line 14, col 4) to (line 18, col 5)
--------------------------------
17 >        3

    ~~~~~~~~~~                                    => Pos: (233 to 242)  SpanInfo: {"start":201,"length":47}
    >var a = [
    >        1,
    >        2,
    >        3
    >    ]
    >:=> (line 14, col 4) to (line 18, col 5)
--------------------------------
18 >    ];

    ~~~~~~~                                       => Pos: (243 to 249)  SpanInfo: {"start":201,"length":47}
    >var a = [
    >        1,
    >        2,
    >        3
    >    ]
    >:=> (line 14, col 4) to (line 18, col 5)
--------------------------------
19 >    var obj = {

    ~~~~~~~~~~~~~~~~                              => Pos: (250 to 265)  SpanInfo: {"start":254,"length":50}
    >var obj = {
    >        z: 1,
    >        q: "hello"
    >    }
    >:=> (line 19, col 4) to (line 22, col 5)
--------------------------------
20 >        z: 1,

    ~~~~~~~~~~~~~~                                => Pos: (266 to 279)  SpanInfo: {"start":254,"length":50}
    >var obj = {
    >        z: 1,
    >        q: "hello"
    >    }
    >:=> (line 19, col 4) to (line 22, col 5)
--------------------------------
21 >        q: "hello"

    ~~~~~~~~~~~~~~~~~~~                           => Pos: (280 to 298)  SpanInfo: {"start":254,"length":50}
    >var obj = {
    >        z: 1,
    >        q: "hello"
    >    }
    >:=> (line 19, col 4) to (line 22, col 5)
--------------------------------
22 >    };

    ~~~~~~~                                       => Pos: (299 to 305)  SpanInfo: {"start":254,"length":50}
    >var obj = {
    >        z: 1,
    >        q: "hello"
    >    }
    >:=> (line 19, col 4) to (line 22, col 5)
--------------------------------
23 >    for (var j in a) {

    ~~~~~~~~~~~~~~~~~~~~~~~                       => Pos: (306 to 328)  SpanInfo: {"start":310,"length":16}
    >for (var j in a)
    >:=> (line 23, col 4) to (line 23, col 20)
--------------------------------
24 >        obj.z = a[j];

    ~~~~~~~~~~~~~~~~~~~~~~                        => Pos: (329 to 350)  SpanInfo: {"start":337,"length":12}
    >obj.z = a[j]
    >:=> (line 24, col 8) to (line 24, col 20)
--------------------------------
25 >        var v = 10;

    ~~~~~~~~~~~~~~~~~~~~                          => Pos: (351 to 370)  SpanInfo: {"start":359,"length":10}
    >var v = 10
    >:=> (line 25, col 8) to (line 25, col 18)
--------------------------------
26 >    }

    ~~~~~~                                        => Pos: (371 to 376)  SpanInfo: {"start":359,"length":10}
    >var v = 10
    >:=> (line 25, col 8) to (line 25, col 18)
--------------------------------
27 >    try {

    ~~~~~~~~~~                                    => Pos: (377 to 386)  SpanInfo: {"start":395,"length":14}
    >obj.q = "ohhh"
    >:=> (line 28, col 8) to (line 28, col 22)
--------------------------------
28 >        obj.q = "ohhh";

    ~~~~~~~~~~~~~~~~~~~~~~~~                      => Pos: (387 to 410)  SpanInfo: {"start":395,"length":14}
    >obj.q = "ohhh"
    >:=> (line 28, col 8) to (line 28, col 22)
--------------------------------
29 >    } catch (e) {

    ~~~~~                                         => Pos: (411 to 415)  SpanInfo: {"start":395,"length":14}
    >obj.q = "ohhh"
    >:=> (line 28, col 8) to (line 28, col 22)
29 >    } catch (e) {

         ~~~~~~~~                                 => Pos: (416 to 423)  SpanInfo: {"start":437,"length":15}
    >if (obj.z < 10)
    >:=> (line 30, col 8) to (line 30, col 23)
29 >    } catch (e) {

                 ~                                => Pos: (424 to 424)  SpanInfo: undefined
29 >    } catch (e) {

                  ~~~~                            => Pos: (425 to 428)  SpanInfo: {"start":437,"length":15}
    >if (obj.z < 10)
    >:=> (line 30, col 8) to (line 30, col 23)
--------------------------------
30 >        if (obj.z < 10) {

    ~~~~~~~~~~~~~~~~~~~~~~~~~~                    => Pos: (429 to 454)  SpanInfo: {"start":437,"length":15}
    >if (obj.z < 10)
    >:=> (line 30, col 8) to (line 30, col 23)
--------------------------------
31 >            obj.z = 12;

    ~~~~~~~~~~~~~~~~~~~~~~~~                      => Pos: (455 to 478)  SpanInfo: {"start":467,"length":10}
    >obj.z = 12
    >:=> (line 31, col 12) to (line 31, col 22)
--------------------------------
32 >        } else {

    ~~~~~~~~~                                     => Pos: (479 to 487)  SpanInfo: {"start":467,"length":10}
    >obj.z = 12
    >:=> (line 31, col 12) to (line 31, col 22)
32 >        } else {

             ~~~~~~~~                             => Pos: (488 to 495)  SpanInfo: {"start":508,"length":13}
    >obj.q = "hmm"
    >:=> (line 33, col 12) to (line 33, col 25)
--------------------------------
33 >            obj.q = "hmm";

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~                   => Pos: (496 to 522)  SpanInfo: {"start":508,"length":13}
    >obj.q = "hmm"
    >:=> (line 33, col 12) to (line 33, col 25)
--------------------------------
34 >        }

    ~~~~~~~~~~                                    => Pos: (523 to 532)  SpanInfo: {"start":508,"length":13}
    >obj.q = "hmm"
    >:=> (line 33, col 12) to (line 33, col 25)
--------------------------------
35 >    }

    ~~~~~~                                        => Pos: (533 to 538)  SpanInfo: {"start":437,"length":15}
    >if (obj.z < 10)
    >:=> (line 30, col 8) to (line 30, col 23)
--------------------------------
36 >    try {

    ~~~~~~~~~~                                    => Pos: (539 to 548)  SpanInfo: {"start":557,"length":17}
    >throw new Error()
    >:=> (line 37, col 8) to (line 37, col 25)
--------------------------------
37 >        throw new Error();

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~                   => Pos: (549 to 575)  SpanInfo: {"start":557,"length":17}
    >throw new Error()
    >:=> (line 37, col 8) to (line 37, col 25)
--------------------------------
38 >    } catch (e1) {

    ~~~~~                                         => Pos: (576 to 580)  SpanInfo: {"start":557,"length":17}
    >throw new Error()
    >:=> (line 37, col 8) to (line 37, col 25)
38 >    } catch (e1) {

         ~~~~~~~~                                 => Pos: (581 to 588)  SpanInfo: {"start":603,"length":10}
    >var b = e1
    >:=> (line 39, col 8) to (line 39, col 18)
38 >    } catch (e1) {

                 ~~                               => Pos: (589 to 590)  SpanInfo: undefined
38 >    } catch (e1) {

                   ~~~~                           => Pos: (591 to 594)  SpanInfo: {"start":603,"length":10}
    >var b = e1
    >:=> (line 39, col 8) to (line 39, col 18)
--------------------------------
39 >        var b = e1;

    ~~~~~~~~~~~~~~~~~~~~                          => Pos: (595 to 614)  SpanInfo: {"start":603,"length":10}
    >var b = e1
    >:=> (line 39, col 8) to (line 39, col 18)
--------------------------------
40 >    } finally {

    ~~~~~                                         => Pos: (615 to 619)  SpanInfo: {"start":603,"length":10}
    >var b = e1
    >:=> (line 39, col 8) to (line 39, col 18)
40 >    } finally {

         ~~~~~~~~~~~                              => Pos: (620 to 630)  SpanInfo: {"start":639,"length":6}
    >y = 70
    >:=> (line 41, col 8) to (line 41, col 14)
--------------------------------
41 >        y = 70;

    ~~~~~~~~~~~~~~~~                              => Pos: (631 to 646)  SpanInfo: {"start":639,"length":6}
    >y = 70
    >:=> (line 41, col 8) to (line 41, col 14)
--------------------------------
42 >    }

    ~~~~~~                                        => Pos: (647 to 652)  SpanInfo: {"start":639,"length":6}
    >y = 70
    >:=> (line 41, col 8) to (line 41, col 14)
--------------------------------
43 >    with (obj) {

    ~~~~~~~~~~~~~~~~~                             => Pos: (653 to 669)  SpanInfo: {"start":678,"length":5}
    >i = 2
    >:=> (line 44, col 8) to (line 44, col 13)
--------------------------------
44 >        i = 2;

    ~~~~~~~~~~~~~~~                               => Pos: (670 to 684)  SpanInfo: {"start":678,"length":5}
    >i = 2
    >:=> (line 44, col 8) to (line 44, col 13)
--------------------------------
45 >        z = 10;

    ~~~~~~~~~~~~~~~~                              => Pos: (685 to 700)  SpanInfo: {"start":693,"length":6}
    >z = 10
    >:=> (line 45, col 8) to (line 45, col 14)
--------------------------------
46 >    }

    ~~~~~~                                        => Pos: (701 to 706)  SpanInfo: {"start":693,"length":6}
    >z = 10
    >:=> (line 45, col 8) to (line 45, col 14)
--------------------------------
47 >    switch (obj.z) {

    ~~~~~~~~~~~~~~~~~~~~~                         => Pos: (707 to 727)  SpanInfo: {"start":711,"length":14}
    >switch (obj.z)
    >:=> (line 47, col 4) to (line 47, col 18)
--------------------------------
48 >        case 0: {

    ~~~~~~~~~~~~~~~~~~                            => Pos: (728 to 745)  SpanInfo: {"start":758,"length":3}
    >x++
    >:=> (line 49, col 12) to (line 49, col 15)
--------------------------------
49 >            x++;

    ~~~~~~~~~~~~~~~~~                             => Pos: (746 to 762)  SpanInfo: {"start":758,"length":3}
    >x++
    >:=> (line 49, col 12) to (line 49, col 15)
--------------------------------
50 >            break;

    ~~~~~~~~~~~~~~~~~~~                           => Pos: (763 to 781)  SpanInfo: {"start":775,"length":5}
    >break
    >:=> (line 50, col 12) to (line 50, col 17)
--------------------------------
51 >

    ~                                             => Pos: (782 to 782)  SpanInfo: undefined
--------------------------------
52 >        }

    ~~~~~~~~~~                                    => Pos: (783 to 792)  SpanInfo: {"start":775,"length":5}
    >break
    >:=> (line 50, col 12) to (line 50, col 17)
--------------------------------
53 >        case 1: {

    ~~~~~~~~~~~~~~~~~~                            => Pos: (793 to 810)  SpanInfo: {"start":823,"length":3}
    >x--
    >:=> (line 54, col 12) to (line 54, col 15)
--------------------------------
54 >            x--;

    ~~~~~~~~~~~~~~~~~                             => Pos: (811 to 827)  SpanInfo: {"start":823,"length":3}
    >x--
    >:=> (line 54, col 12) to (line 54, col 15)
--------------------------------
55 >            break;

    ~~~~~~~~~~~~~~~~~~~                           => Pos: (828 to 846)  SpanInfo: {"start":840,"length":5}
    >break
    >:=> (line 55, col 12) to (line 55, col 17)
--------------------------------
56 >

    ~                                             => Pos: (847 to 847)  SpanInfo: undefined
--------------------------------
57 >        }

    ~~~~~~~~~~                                    => Pos: (848 to 857)  SpanInfo: {"start":840,"length":5}
    >break
    >:=> (line 55, col 12) to (line 55, col 17)
--------------------------------
58 >        default: {

    ~~~~~~~~~~~~~~~~~~~                           => Pos: (858 to 876)  SpanInfo: {"start":889,"length":6}
    >x *= 2
    >:=> (line 59, col 12) to (line 59, col 18)
--------------------------------
59 >            x *= 2;

    ~~~~~~~~~~~~~~~~~~~~                          => Pos: (877 to 896)  SpanInfo: {"start":889,"length":6}
    >x *= 2
    >:=> (line 59, col 12) to (line 59, col 18)
--------------------------------
60 >            x = 50;

    ~~~~~~~~~~~~~~~~~~~~                          => Pos: (897 to 916)  SpanInfo: {"start":909,"length":6}
    >x = 50
    >:=> (line 60, col 12) to (line 60, col 18)
--------------------------------
61 >            break;

    ~~~~~~~~~~~~~~~~~~~                           => Pos: (917 to 935)  SpanInfo: {"start":929,"length":5}
    >break
    >:=> (line 61, col 12) to (line 61, col 17)
--------------------------------
62 >

    ~                                             => Pos: (936 to 936)  SpanInfo: undefined
--------------------------------
63 >        }

    ~~~~~~~~~~                                    => Pos: (937 to 946)  SpanInfo: {"start":929,"length":5}
    >break
    >:=> (line 61, col 12) to (line 61, col 17)
--------------------------------
64 >    }

    ~~~~~~                                        => Pos: (947 to 952)  SpanInfo: {"start":889,"length":6}
    >x *= 2
    >:=> (line 59, col 12) to (line 59, col 18)
--------------------------------
65 >    while (x < 10) {

    ~~~~~~~~~~~~~~~~~~~~~                         => Pos: (953 to 973)  SpanInfo: {"start":957,"length":14}
    >while (x < 10)
    >:=> (line 65, col 4) to (line 65, col 18)
--------------------------------
66 >        x++;

    ~~~~~~~~~~~~~                                 => Pos: (974 to 986)  SpanInfo: {"start":982,"length":3}
    >x++
    >:=> (line 66, col 8) to (line 66, col 11)
--------------------------------
67 >    }

    ~~~~~~                                        => Pos: (987 to 992)  SpanInfo: {"start":982,"length":3}
    >x++
    >:=> (line 66, col 8) to (line 66, col 11)
--------------------------------
68 >    do {

    ~~~~~~~~~                                     => Pos: (993 to 1001)  SpanInfo: {"start":1010,"length":3}
    >x--
    >:=> (line 69, col 8) to (line 69, col 11)
--------------------------------
69 >        x--;

    ~~~~~~~~~~~~~                                 => Pos: (1002 to 1014)  SpanInfo: {"start":1010,"length":3}
    >x--
    >:=> (line 69, col 8) to (line 69, col 11)
--------------------------------
70 >    } while (x > 4)

    ~~~~~                                         => Pos: (1015 to 1019)  SpanInfo: {"start":1010,"length":3}
    >x--
    >:=> (line 69, col 8) to (line 69, col 11)
70 >    } while (x > 4)

         ~~~~~~~~~~~~~~~                          => Pos: (1020 to 1034)  SpanInfo: {"start":1021,"length":13}
    >while (x > 4)
    >:=> (line 70, col 6) to (line 70, col 19)
--------------------------------
71 >    x = y;

    ~~~~~~~~~~~                                   => Pos: (1035 to 1045)  SpanInfo: {"start":1039,"length":5}
    >x = y
    >:=> (line 71, col 4) to (line 71, col 9)
--------------------------------
72 >    var z = (x == 1) ? x + 1 : x - 1;

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~        => Pos: (1046 to 1083)  SpanInfo: {"start":1050,"length":32}
    >var z = (x == 1) ? x + 1 : x - 1
    >:=> (line 72, col 4) to (line 72, col 36)
--------------------------------
73 >    (x == 1) ? x + 1 : x - 1;

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                => Pos: (1084 to 1113)  SpanInfo: {"start":1088,"length":24}
    >(x == 1) ? x + 1 : x - 1
    >:=> (line 73, col 4) to (line 73, col 28)
--------------------------------
74 >    x === 1;

    ~~~~~~~~~~~~~                                 => Pos: (1114 to 1126)  SpanInfo: {"start":1118,"length":7}
    >x === 1
    >:=> (line 74, col 4) to (line 74, col 11)
--------------------------------
75 >    x = z = 40;

    ~~~~~~~~~~~~~~~~                              => Pos: (1127 to 1142)  SpanInfo: {"start":1131,"length":10}
    >x = z = 40
    >:=> (line 75, col 4) to (line 75, col 14)
--------------------------------
76 >    eval("y");

    ~~~~~~~~~~~~~~~                               => Pos: (1143 to 1157)  SpanInfo: {"start":1147,"length":9}
    >eval("y")
    >:=> (line 76, col 4) to (line 76, col 13)
--------------------------------
77 >    return;

    ~~~~~~~~~~~~                                  => Pos: (1158 to 1169)  SpanInfo: {"start":1162,"length":6}
    >return
    >:=> (line 77, col 4) to (line 77, col 10)
--------------------------------
78 >}

    ~~                                            => Pos: (1170 to 1171)  SpanInfo: {"start":1170,"length":1}
    >}
    >:=> (line 78, col 0) to (line 78, col 1)
--------------------------------
79 >var b = function () {

    ~~~~~~~                                       => Pos: (1172 to 1178)  SpanInfo: {"start":1172,"length":54}
    >var b = function () {
    >    var x = 10;
    >    x = x + 1;
    >}
    >:=> (line 79, col 0) to (line 82, col 1)
79 >var b = function () {

           ~~~~~~~~~~~~~~~                        => Pos: (1179 to 1193)  SpanInfo: {"start":1198,"length":10}
    >var x = 10
    >:=> (line 80, col 4) to (line 80, col 14)
--------------------------------
80 >    var x = 10;

    ~~~~~~~~~~~~~~~~                              => Pos: (1194 to 1209)  SpanInfo: {"start":1198,"length":10}
    >var x = 10
    >:=> (line 80, col 4) to (line 80, col 14)
--------------------------------
81 >    x = x + 1;

    ~~~~~~~~~~~~~~~                               => Pos: (1210 to 1224)  SpanInfo: {"start":1214,"length":9}
    >x = x + 1
    >:=> (line 81, col 4) to (line 81, col 13)
--------------------------------
82 >};

    ~~~                                           => Pos: (1225 to 1227)  SpanInfo: {"start":1225,"length":1}
    >}
    >:=> (line 82, col 0) to (line 82, col 1)
--------------------------------
83 >f();
    ~~~~                                          => Pos: (1228 to 1231)  SpanInfo: {"start":1228,"length":3}
    >f()
    >:=> (line 83, col 0) to (line 83, col 3)