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eris: Fix a bug in eris GC handling

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jyelon
2021-12-08 17:34:58 -05:00
parent c3888e90c9
commit 9ebba34061
1 changed files with 19 additions and 12 deletions
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31
luprex/eris-master/src/eris.c
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@@ -1269,13 +1269,15 @@ u_proto(Info *info) { /* ... proto */
p->maxstacksize = READ_VALUE(uint8_t);
/* Read byte code. */
p->sizecode = READ_VALUE(int);
eris_reallocvector(info->L, p->code, 0, p->sizecode, Instruction);
int sizecode = READ_VALUE(int);
eris_reallocvector(info->L, p->code, 0, sizecode, Instruction);
p->sizecode = sizecode;
READ(p->code, p->sizecode, Instruction);
/* Read constants. */
p->sizek = READ_VALUE(int);
eris_reallocvector(info->L, p->k, 0, p->sizek, TValue);
int sizek = READ_VALUE(int);
eris_reallocvector(info->L, p->k, 0, sizek, TValue);
p->sizek = sizek;
/* Set all values to nil to avoid confusing the GC. */
for (i = 0, n = p->sizek; i < n; ++i) {
eris_setnilvalue(&p->k[i]);
@@ -1291,8 +1293,9 @@ u_proto(Info *info) { /* ... proto */
poppath(info);
/* Read child protos. */
p->sizep = READ_VALUE(int);
eris_reallocvector(info->L, p->p, 0, p->sizep, Proto*);
int sizep = READ_VALUE(int);
eris_reallocvector(info->L, p->p, 0, sizep, Proto*);
p->sizep = sizep;
/* Null all entries to avoid confusing the GC. */
memset(p->p, 0, p->sizep * sizeof(Proto*));
pushpath(info, ".protos");
@@ -1313,8 +1316,9 @@ u_proto(Info *info) { /* ... proto */
poppath(info);
/* Read upvalues. */
p->sizeupvalues = READ_VALUE(int);
eris_reallocvector(info->L, p->upvalues, 0, p->sizeupvalues, Upvaldesc);
int sizeupvalues = READ_VALUE(int);
eris_reallocvector(info->L, p->upvalues, 0, sizeupvalues, Upvaldesc);
p->sizeupvalues = sizeupvalues;
for (i = 0, n = p->sizeupvalues; i < n; ++i) {
p->upvalues[i].name = NULL;
p->upvalues[i].instack = READ_VALUE(uint8_t);
@@ -1334,13 +1338,16 @@ u_proto(Info *info) { /* ... proto */
lua_pop(info->L, 1); /* ... proto */
/* Read line information. */
p->sizelineinfo = READ_VALUE(int);
eris_reallocvector(info->L, p->lineinfo, 0, p->sizelineinfo, int);
int sizelineinfo = READ_VALUE(int);
eris_reallocvector(info->L, p->lineinfo, 0, sizelineinfo, int);
p->sizelineinfo = sizelineinfo;
READ(p->lineinfo, p->sizelineinfo, int);
/* Read locals info. */
p->sizelocvars = READ_VALUE(int);
eris_reallocvector(info->L, p->locvars, 0, p->sizelocvars, LocVar);
int sizelocvars = READ_VALUE(int);
eris_reallocvector(info->L, p->locvars, 0, sizelocvars, LocVar);
p->sizelocvars = sizelocvars;
/* Null the variable names to avoid confusing the GC. */
for (i = 0, n = p->sizelocvars; i < n; ++i) {
p->locvars[i].varname = NULL;