luac5.1.exe -l -p format.lua

gistfile1.txt

main <format.lua:0,0> (3 instructions, 12 bytes at 00000000007C6300)
0+ params, 2 slots, 0 upvalues, 0 locals, 1 constant, 1 function
        1       [17]    CLOSURE         0 0     ; 00000000007C8700
        2       [4]     SETGLOBAL       0 -1    ; fmt
        3       [17]    RETURN          0 1

function <format.lua:4,17> (42 instructions, 168 bytes at 00000000007C8700)
2+ params, 12 slots, 0 upvalues, 6 locals, 12 constants, 0 functions
        1       [5]     GETGLOBAL       3 -1    ; string
        2       [5]     GETTABLE        3 3 -2  ; "find"
        3       [5]     MOVE            4 0
        4       [5]     LOADK           5 -3    ; "%%"
        5       [5]     CALL            3 3 2
        6       [6]     TEST            3 0 1
        7       [6]     JMP             1       ; to 9
        8       [7]     RETURN          0 2
        9       [9]     GETGLOBAL       4 -4    ; type
        10      [9]     MOVE            5 1
        11      [9]     CALL            4 2 2
        12      [10]    LOADK           5 -5    ; ""
        13      [11]    EQ              0 4 -1  ; - "string"
        14      [11]    JMP             6       ; to 21
        15      [12]    GETGLOBAL       6 -6    ; format
        16      [12]    LOADK           7 -7    ; "%q"
        17      [12]    MOVE            8 1
        18      [12]    CALL            6 3 2
        19      [12]    MOVE            5 6
        20      [12]    JMP             4       ; to 25
        21      [14]    GETGLOBAL       6 -8    ; tostring
        22      [14]    MOVE            7 1
        23      [14]    CALL            6 2 2
        24      [14]    MOVE            5 6
        25      [16]    GETGLOBAL       6 -1    ; string
        26      [16]    GETTABLE        6 6 -9  ; "sub"
        27      [16]    MOVE            7 0
        28      [16]    LOADK           8 -10   ; 0
        29      [16]    SUB             9 3 -11 ; - 1
        30      [16]    CALL            6 4 2
        31      [16]    MOVE            7 5
        32      [16]    GETGLOBAL       8 -12   ; fmt
        33      [16]    GETGLOBAL       9 -1    ; string
        34      [16]    GETTABLE        9 9 -9  ; "sub"
        35      [16]    MOVE            10 0
        36      [16]    ADD             11 3 -11        ; - 1
        37      [16]    CALL            9 3 2
        38      [16]    VARARG          10 0
        39      [16]    CALL            8 0 2
        40      [16]    CONCAT          6 6 8
        41      [16]    RETURN          6 2
        42      [17]    RETURN          0 1