diff options
Diffstat (limited to 'src/ldo.js')
| -rw-r--r-- | src/ldo.js | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -63,6 +63,11 @@ const luaD_growstack = function(L, n) { } }; +const luaD_checkstack = function(L, n) { + if (L.stack.length - L.top <= n) + luaD_growstack(L, n); +}; + /* ** Prepares a function call: checks the stack, creates a new CallInfo ** entry, fills in the relevant information, calls hook if needed. @@ -78,11 +83,13 @@ const luaD_precall = function(L, off, nresults) { case CT.LUA_TLCF: { let f = func.type === CT.LUA_TCCL ? func.value.f : func.value; + luaD_checkstack(L, defs.LUA_MINSTACK); let ci = lstate.luaE_extendCI(L); ci.funcOff = off; ci.nresults = nresults; ci.func = func; ci.top = L.top + defs.LUA_MINSTACK; + assert(ci.top <= L.stack.length); ci.callstatus = 0; if (L.hookmask & defs.LUA_MASKCALL) luaD_hook(L, defs.LUA_HOOKCALL, -1); @@ -96,11 +103,11 @@ const luaD_precall = function(L, off, nresults) { return true; } case CT.LUA_TLCL: { + let base; let p = func.value.p; let n = L.top - off - 1; let fsize = p.maxstacksize; - let base; - + luaD_checkstack(L, fsize); if (p.is_vararg) { base = adjust_varargs(L, p, n); } else { @@ -619,6 +626,7 @@ module.exports.SParser = SParser; module.exports.adjust_varargs = adjust_varargs; module.exports.luaD_call = luaD_call; module.exports.luaD_callnoyield = luaD_callnoyield; +module.exports.luaD_checkstack = luaD_checkstack; module.exports.luaD_growstack = luaD_growstack; module.exports.luaD_hook = luaD_hook; module.exports.luaD_pcall = luaD_pcall; |