** beware: when using this function you probably need to check a GC ** barrier and invalidate the TM cache. */

** Change line information associated with current position. */

** returns current 'pc' and marks it as a jump target (to avoid wrong ** optimizations with consecutive instructions not in the same basic block). */

translate a relative string position: negative means back from end */

** If function yielded, its 'func' can be in the 'extra' field. The ** next function restores 'func' to its correct value for debugging ** purposes. (

** Accept current char if it is in 'set' (of size 2) */

** Add constant 'v' to prototype's list of constants (field 'k'). ** Use scanner's table to cache position of constants in constant list ** and try to

** If L1 != L, L1 can be in any state, and therefore there are no ** guarantees about its stack space; any push in L1 must be ** checked. */

returns {-1, 0, 1}

** Code a "conditional jump", that is, a test or comparison opcode ** followed by a jump. Return jump position. */

** Gets the destination address of a jump instruction. Used to traverse ** a list of jumps. */

** increment line number and skips newline sequence (any of ** \n, \r, \n\r, or \r\n) */

** tells whether a key or value can be cleared from a weak ** table. Non-collectable objects are never removed from weak ** tables. Strings behave as

** Call a function (C or Lua). The function to be called is at *func. ** The arguments are on the stack, right after the function. ** When returns, al

** Similar to 'luaD_call', but does not allow yields during the call */

** Call a hook for the given event. Make sure there is a hook to be ** called. (Both 'L->hook' and 'L->hookmask', which triggers this ** function, can

** search function for short strings */

** returns the 'main' position of an element in a table (that is, the index ** of its hash value) */

** If key is not marked, mark its entry as dead. This allows key to be ** collected, but keeps its entry in the table. A dead node is needed ** when

** Reverse the stack segment from 'from' to 'to' ** (auxiliary to 'lua_rotate') */