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-rw-r--r--src/ldo.js6
-rw-r--r--src/lobject.js9
-rw-r--r--src/lparser.js7
-rw-r--r--src/lundump.js3
4 files changed, 19 insertions, 6 deletions
diff --git a/src/ldo.js b/src/ldo.js
index 83f26cf..fbef68f 100644
--- a/src/ldo.js
+++ b/src/ldo.js
@@ -89,6 +89,11 @@ const luaD_shrinkstack = function(L) {
luaD_reallocstack(L, goodsize);
};
+const luaD_inctop = function(L) {
+ luaD_checkstack(L, 1);
+ L.top++;
+};
+
/*
** Prepares a function call: checks the stack, creates a new CallInfo
** entry, fills in the relevant information, calls hook if needed.
@@ -653,6 +658,7 @@ 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_inctop = luaD_inctop;
module.exports.luaD_pcall = luaD_pcall;
module.exports.luaD_poscall = luaD_poscall;
module.exports.luaD_precall = luaD_precall;
diff --git a/src/lobject.js b/src/lobject.js
index e7b716e..fad3b73 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -461,7 +461,8 @@ const luaO_tostring = function(L, obj) {
};
const pushstr = function(L, str) {
- L.stack[L.top++] = new TValue(CT.LUA_TLNGSTR, lstring.luaS_new(L, str));
+ ldo.luaD_inctop(L);
+ L.stack[L.top-1] = new TValue(CT.LUA_TLNGSTR, lstring.luaS_new(L, str));
};
const luaO_pushvfstring = function(L, fmt, argp) {
@@ -488,10 +489,12 @@ const luaO_pushvfstring = function(L, fmt, argp) {
break;
case char['d']:
case char['I']:
- L.stack[L.top++] = luaO_tostring(L, new TValue(CT.LUA_TNUMINT, argp[a++]));
+ ldo.luaD_inctop(L);
+ L.stack[L.top-1] = luaO_tostring(L, new TValue(CT.LUA_TNUMINT, argp[a++]));
break;
case char['f']:
- L.stack[L.top++] = luaO_tostring(L, new TValue(CT.LUA_TNUMFLT, argp[a++]));
+ ldo.luaD_inctop(L);
+ L.stack[L.top-1] = luaO_tostring(L, new TValue(CT.LUA_TNUMFLT, argp[a++]));
break;
// case char['p']:
case char['U']:
diff --git a/src/lparser.js b/src/lparser.js
index 100342a..13f75c9 100644
--- a/src/lparser.js
+++ b/src/lparser.js
@@ -4,6 +4,7 @@ const assert = require('assert');
const defs = require('./defs.js');
const lcode = require('./lcode.js');
+const ldo = require('./ldo.js');
const lfunc = require('./lfunc.js');
const llex = require('./llex.js');
const llimit = require('./llimit.js');
@@ -1563,9 +1564,11 @@ const luaY_parser = function(L, z, buff, dyd, name, firstchar) {
let lexstate = new llex.LexState();
let funcstate = new FuncState();
let cl = lfunc.luaF_newLclosure(L, 1); /* create main closure */
- L.stack[L.top++] = new TValue(defs.CT.LUA_TLCL, cl);
+ ldo.luaD_inctop(L);
+ L.stack[L.top-1] = new TValue(defs.CT.LUA_TLCL, cl);
lexstate.h = ltable.luaH_new(L); /* create table for scanner */
- L.stack[L.top++] = new TValue(defs.CT.LUA_TTABLE, lexstate.h);
+ ldo.luaD_inctop(L);
+ L.stack[L.top-1] = new TValue(defs.CT.LUA_TTABLE, lexstate.h);
funcstate.f = cl.p = new Proto(L);
funcstate.f.source = lstring.luaS_new(L, name);
lexstate.buff = buff;
diff --git a/src/lundump.js b/src/lundump.js
index 1891451..4931fe8 100644
--- a/src/lundump.js
+++ b/src/lundump.js
@@ -265,7 +265,8 @@ const luaU_undump = function(L, Z, name) {
let S = new BytecodeParser(L, Z, name);
S.checkHeader();
let cl = lfunc.luaF_newLclosure(L, S.readByte());
- L.stack[L.top++] = new lobject.TValue(defs.CT.LUA_TLCL, cl);
+ ldo.luaD_inctop(L);
+ L.stack[L.top-1] = new lobject.TValue(defs.CT.LUA_TLCL, cl);
cl.p = new lfunc.Proto(L);
S.readFunction(cl.p, null);
assert(cl.nupvalues === cl.p.upvalues.length);