1  >var i = 10;

    ~~~~~~~~~~~~                                  => Pos: (0 to 11)  SpanInfo: {"start":0,"length":10}
    >var i = 10
    >:=> (line 1, col 0) to (line 1, col 10)
--------------------------------
2  >if (i == 10) {

    ~~~~~~~~~~~~~~~                               => Pos: (12 to 26)  SpanInfo: {"start":12,"length":12}
    >if (i == 10)
    >:=> (line 2, col 0) to (line 2, col 12)
--------------------------------
3  >    i++;

    ~~~~~~~~~                                     => Pos: (27 to 35)  SpanInfo: {"start":31,"length":3}
    >i++
    >:=> (line 3, col 4) to (line 3, col 7)
--------------------------------
4  >} else

    ~                                             => Pos: (36 to 36)  SpanInfo: {"start":31,"length":3}
    >i++
    >:=> (line 3, col 4) to (line 3, col 7)
4  >} else

     ~~~~~~                                       => Pos: (37 to 42)  SpanInfo: undefined
--------------------------------
5  >{

    ~~                                            => Pos: (43 to 44)  SpanInfo: undefined
--------------------------------
6  >}

    ~~                                            => Pos: (45 to 46)  SpanInfo: undefined
--------------------------------
7  >if (i == 10)

    ~~~~~~~~~~~~~                                 => Pos: (47 to 59)  SpanInfo: {"start":47,"length":12}
    >if (i == 10)
    >:=> (line 7, col 0) to (line 7, col 12)
--------------------------------
8  >{

    ~~                                            => Pos: (60 to 61)  SpanInfo: {"start":66,"length":3}
    >i++
    >:=> (line 9, col 4) to (line 9, col 7)
--------------------------------
9  >    i++;

    ~~~~~~~~~                                     => Pos: (62 to 70)  SpanInfo: {"start":66,"length":3}
    >i++
    >:=> (line 9, col 4) to (line 9, col 7)
--------------------------------
10 >}

    ~~                                            => Pos: (71 to 72)  SpanInfo: {"start":66,"length":3}
    >i++
    >:=> (line 9, col 4) to (line 9, col 7)
--------------------------------
11 >else if (i == 20) {

    ~~~~~~~~~~~~~~~~~~~~                          => Pos: (73 to 92)  SpanInfo: {"start":78,"length":12}
    >if (i == 20)
    >:=> (line 11, col 5) to (line 11, col 17)
--------------------------------
12 >    i--;

    ~~~~~~~~~                                     => Pos: (93 to 101)  SpanInfo: {"start":97,"length":3}
    >i--
    >:=> (line 12, col 4) to (line 12, col 7)
--------------------------------
13 >} else if (i == 30) {

    ~                                             => Pos: (102 to 102)  SpanInfo: {"start":97,"length":3}
    >i--
    >:=> (line 12, col 4) to (line 12, col 7)
13 >} else if (i == 30) {

     ~~~~~~~~~~~~~~~~~~~~~                        => Pos: (103 to 123)  SpanInfo: {"start":109,"length":12}
    >if (i == 30)
    >:=> (line 13, col 7) to (line 13, col 19)
--------------------------------
14 >    i += 70;

    ~~~~~~~~~~~~~                                 => Pos: (124 to 136)  SpanInfo: {"start":128,"length":7}
    >i += 70
    >:=> (line 14, col 4) to (line 14, col 11)
--------------------------------
15 >} else {

    ~                                             => Pos: (137 to 137)  SpanInfo: {"start":128,"length":7}
    >i += 70
    >:=> (line 14, col 4) to (line 14, col 11)
15 >} else {

     ~~~~~~~~                                     => Pos: (138 to 145)  SpanInfo: {"start":150,"length":3}
    >i--
    >:=> (line 16, col 4) to (line 16, col 7)
--------------------------------
16 >    i--;

    ~~~~~~~~~                                     => Pos: (146 to 154)  SpanInfo: {"start":150,"length":3}
    >i--
    >:=> (line 16, col 4) to (line 16, col 7)
--------------------------------
17 >}

    ~~                                            => Pos: (155 to 156)  SpanInfo: {"start":150,"length":3}
    >i--
    >:=> (line 16, col 4) to (line 16, col 7)
--------------------------------
18 >if (function foo() {

    ~~~~                                          => Pos: (157 to 160)  SpanInfo: {"start":157,"length":41}
    >if (function foo() {
    >    return 30;
    >} ())
    >:=> (line 18, col 0) to (line 20, col 5)
18 >if (function foo() {

        ~~~~~~~~~~~~~~~~~                         => Pos: (161 to 177)  SpanInfo: {"start":182,"length":9}
    >return 30
    >:=> (line 19, col 4) to (line 19, col 13)
--------------------------------
19 >    return 30;

    ~~~~~~~~~~~~~~~                               => Pos: (178 to 192)  SpanInfo: {"start":182,"length":9}
    >return 30
    >:=> (line 19, col 4) to (line 19, col 13)
--------------------------------
20 >} ()) {

    ~                                             => Pos: (193 to 193)  SpanInfo: {"start":193,"length":1}
    >}
    >:=> (line 20, col 0) to (line 20, col 1)
20 >} ()) {

     ~~~                                          => Pos: (194 to 196)  SpanInfo: {"start":161,"length":36}
    >function foo() {
    >    return 30;
    >} ()
    >:=> (line 18, col 4) to (line 20, col 4)
20 >} ()) {

        ~                                         => Pos: (197 to 197)  SpanInfo: {"start":157,"length":41}
    >if (function foo() {
    >    return 30;
    >} ())
    >:=> (line 18, col 0) to (line 20, col 5)
20 >} ()) {

         ~~~                                      => Pos: (198 to 200)  SpanInfo: {"start":205,"length":3}
    >i++
    >:=> (line 21, col 4) to (line 21, col 7)
--------------------------------
21 >    i++;

    ~~~~~~~~~                                     => Pos: (201 to 209)  SpanInfo: {"start":205,"length":3}
    >i++
    >:=> (line 21, col 4) to (line 21, col 7)
--------------------------------
22 >}
    ~                                             => Pos: (210 to 210)  SpanInfo: {"start":205,"length":3}
    >i++
    >:=> (line 21, col 4) to (line 21, col 7)