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This commit is contained in:
IonutParau
2026-06-19 15:23:04 +02:00
parent 8493f62a70
commit 97ea1e60b1
7 changed files with 340 additions and 340 deletions
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38
src/compiler.c
View File

@@ -193,7 +193,7 @@ static noom_Exit noomC_compile_expr(
compiler->curstack++;
unsigned char fucking_destination = func->constsize;
noom_Exit result = noomC_addconst_str(compiler, vm, "but DID YOU KNOW", 16);
if(result) return result;
if (result) return result;
return noomC_emit_Aus(func, NOOMV_INSTR_PUSHCONST, 0, fucking_destination);
}
if (node->type == NOOMP_NODE_BINARYOPERATOR) {
@@ -234,21 +234,21 @@ static noom_Exit noomC_compile_expr(
// welcome to multivalue hell
unsigned char returnToGlory = compiler->curstack;
noom_bool_t isMethod = node->type == NOOMP_NODE_METHODCALL;
if((result = noomC_compile_expr(vm, compiler, parser, func, node->subnodes[0], 1))) return result;
if ((result = noomC_compile_expr(vm, compiler, parser, func, node->subnodes[0], 1))) return result;
unsigned char funcIdx = compiler->curstack;
if(isMethod) {
noomP_Node *field = node->subnodes[1];
const char *fieldname = parser->code + field->source_offset;
if (isMethod) {
noomP_Node* field = node->subnodes[1];
const char* fieldname = parser->code + field->source_offset;
noom_uint_t fieldlen = noomL_tokenlen(fieldname, 0, parser->version);
noom_uint_t constidx = func->constsize;
if((result = noomC_addconst_str(compiler, vm, fieldname, fieldlen))) return result;
if((result = noomC_emit_Aus(func, NOOMV_INSTR_GETMETHOD, 0, constidx))) return result;
if ((result = noomC_addconst_str(compiler, vm, fieldname, fieldlen))) return result;
if ((result = noomC_emit_Aus(func, NOOMV_INSTR_GETMETHOD, 0, constidx))) return result;
}
for(int i = isMethod ? 2 : 1; i < node->subnodec; i++) {
noom_bool_t isLast = i == (node->subnodec-1);
if((result = noomC_compile_expr(vm, compiler, parser, func, node->subnodes[i], isLast ? -1 : 1))) return result;
for (int i = isMethod ? 2 : 1; i < node->subnodec; i++) {
noom_bool_t isLast = i == (node->subnodec - 1);
if ((result = noomC_compile_expr(vm, compiler, parser, func, node->subnodes[i], isLast ? -1 : 1))) return result;
}
return noomC_emit_Aus(func, NOOMV_INSTR_CALL, funcIdx, retc+1);
return noomC_emit_Aus(func, NOOMV_INSTR_CALL, funcIdx, retc + 1);
}
if (node->type == NOOMP_NODE_VARIABLE) {
noomC_LocalInfo info;
@@ -264,20 +264,20 @@ static noom_Exit noomC_compile_expr(
return noomC_emit_Aus(func, NOOMV_INSTR_PUSHUPVAL, 0, info.idx);
case NOOMC_GLOBAL: {
noom_uint_t constidx = compiler->target->constsize;
if((result = noomC_addconst_str(compiler, vm, varname, namelen))) return result;
if(parser->version == NOOM_VERSION_51) {
if ((result = noomC_addconst_str(compiler, vm, varname, namelen))) return result;
if (parser->version == NOOM_VERSION_51) {
return noomC_emit_Aus(func, NOOMV_INSTR_PUSHGLOBAL, 0, constidx);
}
noomC_LocalInfo _ENV;
if((result = noomC_identifyLocal(compiler, &_ENV, "_ENV", 4))) return result;
if ((result = noomC_identifyLocal(compiler, &_ENV, "_ENV", 4))) return result;
// not meant to be possible
if(_ENV.type == NOOMC_GLOBAL) return NOOM_EINTERNAL;
if (_ENV.type == NOOMC_GLOBAL) return NOOM_EINTERNAL;
// most likely branch in human history
if(_ENV.type == NOOMC_UPVAL) {
if (_ENV.type == NOOMC_UPVAL) {
return noomC_emit_Aus(func, NOOMV_INSTR_PUSHUPVAL, _ENV.idx, constidx);
}
// bitchass
if((result = noomC_emit_Aus(func, NOOMV_INSTR_PUSHVAL, 0, _ENV.idx))) return result;
if ((result = noomC_emit_Aus(func, NOOMV_INSTR_PUSHVAL, 0, _ENV.idx))) return result;
return noomC_emit_Aus(func, NOOMV_INSTR_GETFIELD, 0, constidx);
}
}
@@ -413,14 +413,14 @@ static noom_Exit noomC_add_stuff_to_function(noom_LuaVM* vm, noomC_Compiler* com
return noomC_compile_block(vm, compiler, parser, func, node);
}
if(node->type == NOOMP_NODE_CALL || node->type == NOOMP_NODE_METHODCALL) {
if (node->type == NOOMP_NODE_CALL || node->type == NOOMP_NODE_METHODCALL) {
return noomC_compile_expr(vm, compiler, parser, func, node, 0);
}
return NOOM_EINTERNAL;
}
noom_Exit noomC_compile(noom_LuaVM* vm, const noomP_Parser* parser, const noomP_Node* node, noomV_String* chunkname, noomV_Table* env, noomV_Value *outFunc) {
noom_Exit noomC_compile(noom_LuaVM* vm, const noomP_Parser* parser, const noomP_Node* node, noomV_String* chunkname, noomV_Table* env, noomV_Value* outFunc) {
if (node->type != NOOMP_NODE_PROGRAM) return NOOM_EINTERNAL;
noomV_Function* program = noomV_allocFunc(vm, chunkname);

2
src/compiler.h
View File

@@ -39,4 +39,4 @@ typedef struct noomC_Compiler {
void noomC_compiler_init(noomC_Compiler* compiler);
// pushes the compiled function on the stack, or just crashes lol
noom_Exit noomC_compile(noom_LuaVM* vm, const noomP_Parser* parser, const noomP_Node* node, noomV_String* chunkname, noomV_Table* env, noomV_Value *outFunc);
noom_Exit noomC_compile(noom_LuaVM* vm, const noomP_Parser* parser, const noomP_Node* node, noomV_String* chunkname, noomV_Table* env, noomV_Value* outFunc);

66
src/gc.c
View File

@@ -1,59 +1,59 @@
#include "noom.h"
#include "vm.h"
static void noomG_grayObj(noom_LuaVM *vm, noomV_Object *obj);
static void noomG_grayObj(noom_LuaVM* vm, noomV_Object* obj);
static void noomG_grayValue(noom_LuaVM *vm, noomV_Value value) {
if(value.tag != NOOMV_VOBJ) return;
static void noomG_grayValue(noom_LuaVM* vm, noomV_Value value) {
if (value.tag != NOOMV_VOBJ) return;
noomG_grayObj(vm, value.obj);
}
static void noomG_grayObj(noom_LuaVM *vm, noomV_Object *obj) {
if(obj == 0) return;
if(obj->marked) return;
static void noomG_grayObj(noom_LuaVM* vm, noomV_Object* obj) {
if (obj == 0) return;
if (obj->marked) return;
obj->marked = 1;
obj->nextGray = vm->graySet;
vm->graySet = obj;
}
void noomG_markObj(noom_LuaVM *vm, noomV_Object *obj) {
if(obj->tag == NOOMV_OPOINTER) {
noomV_Pointer *p = (noomV_Pointer *)obj;
void noomG_markObj(noom_LuaVM* vm, noomV_Object* obj) {
if (obj->tag == NOOMV_OPOINTER) {
noomV_Pointer* p = (noomV_Pointer*)obj;
noomG_grayValue(vm, p->value);
return;
}
if(obj->tag == NOOMV_OFUNC) {
noomV_Function *f = (noomV_Function *)obj;
if (obj->tag == NOOMV_OFUNC) {
noomV_Function* f = (noomV_Function*)obj;
noomG_grayObj(vm, &f->chunkname->obj);
noomG_grayObj(vm, &f->env->obj);
for(noom_uint_t i = 0; i < f->constsize; i++) {
for (noom_uint_t i = 0; i < f->constsize; i++) {
noomG_grayValue(vm, f->consts[i]);
}
for(noom_uint_t i = 0; i < f->protosize; i++) {
noomG_grayObj(vm, (noomV_Object *)f->protos[i]);
for (noom_uint_t i = 0; i < f->protosize; i++) {
noomG_grayObj(vm, (noomV_Object*)f->protos[i]);
}
return;
}
if(obj->tag == NOOMV_OTABLE) {
noomV_Table *t = (noomV_Table *)obj;
noomG_grayObj(vm, (noomV_Object *)t->meta);
for(noom_uint_t i = 0; i < t->entries*2; i++) {
if (obj->tag == NOOMV_OTABLE) {
noomV_Table* t = (noomV_Table*)obj;
noomG_grayObj(vm, (noomV_Object*)t->meta);
for (noom_uint_t i = 0; i < t->entries * 2; i++) {
noomG_grayValue(vm, t->entrydata[i]);
}
return;
}
if(obj->tag == NOOMV_OTHREAD) {
noomV_Thread *thrd = (noomV_Thread *)obj;
for(noom_uint_t i = 0; i < thrd->stacklen; i++) {
if (obj->tag == NOOMV_OTHREAD) {
noomV_Thread* thrd = (noomV_Thread*)obj;
for (noom_uint_t i = 0; i < thrd->stacklen; i++) {
noomG_grayValue(vm, thrd->stack[i]);
}
for(noom_uint_t i = 0; i < thrd->calldepth; i++) {
for (noom_uint_t i = 0; i < thrd->calldepth; i++) {
noomV_CallFrame cf = thrd->calls[i];
noomG_grayValue(vm, cf.errhandler);
}
noomG_grayValue(vm, thrd->errObj);
noomG_grayObj(vm, (noomV_Object *)thrd->resuming);
noomG_grayObj(vm, (noomV_Object *)thrd->resumedBy);
noomG_grayObj(vm, (noomV_Object*)thrd->resuming);
noomG_grayObj(vm, (noomV_Object*)thrd->resumedBy);
return;
}
}
@@ -61,19 +61,19 @@ void noomG_markObj(noom_LuaVM *vm, noomV_Object *obj) {
void noom_gc(noom_LuaVM* vm) {
vm->graySet = 0;
noomG_grayObj(vm, (noomV_Object *)vm->mainThread);
noomG_grayObj(vm, (noomV_Object *)vm->globals);
noomG_grayObj(vm, (noomV_Object *)vm->registry);
noomG_grayObj(vm, (noomV_Object*)vm->mainThread);
noomG_grayObj(vm, (noomV_Object*)vm->globals);
noomG_grayObj(vm, (noomV_Object*)vm->registry);
while(vm->graySet) {
while (vm->graySet) {
noomG_markObj(vm, vm->graySet);
vm->graySet = vm->graySet->nextGray;
}
noomV_Object **sweep = &vm->heap;
while(*sweep) {
noomV_Object *current = *sweep;
if(current->marked) {
noomV_Object** sweep = &vm->heap;
while (*sweep) {
noomV_Object* current = *sweep;
if (current->marked) {
sweep = &current->next;
} else {
*sweep = current->next;
@@ -85,5 +85,5 @@ void noom_gc(noom_LuaVM* vm) {
}
void noom_trygc(noom_LuaVM* vm) {
if(vm->objCount >= vm->gcTarget) noom_gc(vm);
if (vm->objCount >= vm->gcTarget) noom_gc(vm);
}

10
src/main.c
View File

@@ -41,7 +41,7 @@ int the_theoretical_function_to_execute_your_code_that_should_be_replaced_later(
noomP_Parser parser;
noomP_Node* program;
noom_LuaVM *vm = noom_createVM(NOOM_VERSION_51);
noom_LuaVM* vm = noom_createVM(NOOM_VERSION_51);
// goodbye "shitass" you will be missed
int success = noomP_parse(code, filename, NOOM_VERSION_51, &program, &parser);
@@ -98,20 +98,20 @@ int the_theoretical_function_to_execute_your_code_that_should_be_replaced_later(
noomV_Value peak;
noom_Exit e = noomC_compile(vm, &parser, program, 0, 0, &peak);
if(e) {
if (e) {
printf("error: %d\n", e);
exit(e);
}
noomV_Function *f = (noomV_Function *)peak.obj;
noomV_Function* f = (noomV_Function*)peak.obj;
for(int i = 0; i < f->codesize; i++) {
for (int i = 0; i < f->codesize; i++) {
noomV_Inst inst = f->code[i];
noomV_DisInfo dis = noomV_disInfo[inst.op];
printf("%s %d ", dis.name, inst.a);
switch(dis.arg) {
switch (dis.arg) {
case NOOMV_DIS_NONE:
break;
case NOOMV_DIS_BC:

4
src/noom.h
View File

@@ -228,11 +228,11 @@ noom_Exit noom_yieldk(noom_LuaVM* vm, noom_uint_t n, noom_KFunction* f, void* ct
#define noom_yield(vm, n) noom_yieldk((vm), (n), 0, 0)
// push the current error handler
noom_Exit noom_pusherrhandler(noom_LuaVM *vm);
noom_Exit noom_pusherrhandler(noom_LuaVM* vm);
// pops the top value and sets it as the error handler.
// nil is a perfectly fine error handler, it just does not get called.
// In the case of an error, noom_callk() will also call this error handler.
noom_Exit noom_seterrhandler(noom_LuaVM *vm);
noom_Exit noom_seterrhandler(noom_LuaVM* vm);
// Like a noom_call, except instead of calling, it resumes coroutines.
// This cannot yield but allows yields.

174
src/vm.c
View File

@@ -199,9 +199,9 @@ noomV_Function* noomV_allocFunc(noom_LuaVM* vm, noomV_String* chunkname) {
return f;
}
noomV_Table *noomV_allocTable(noom_LuaVM *vm, noom_uint_t arraylen, noom_uint_t fields) {
noomV_Table *t = (noomV_Table *)noomV_allocObj(vm, NOOMV_OTABLE, sizeof(noomV_Table));
if(t == 0) return 0;
noomV_Table* noomV_allocTable(noom_LuaVM* vm, noom_uint_t arraylen, noom_uint_t fields) {
noomV_Table* t = (noomV_Table*)noomV_allocObj(vm, NOOMV_OTABLE, sizeof(noomV_Table));
if (t == 0) return 0;
// not computed
t->len = 0;
// no metatable
@@ -213,16 +213,16 @@ noomV_Table *noomV_allocTable(noom_LuaVM *vm, noom_uint_t arraylen, noom_uint_t
t->entries = 0;
t->entrydata = noom_alloc(sizeof(noomV_Value) * 2 * cap);
// dw about freeing t, its in the VM heap so it'll get GC'd out
if(t->entrydata == 0) return 0;
if (t->entrydata == 0) return 0;
t->entries = cap;
for(size_t i = 0; i < cap*2; i++) {
for (size_t i = 0; i < cap * 2; i++) {
t->entrydata[i].tag = NOOMV_VNIL;
}
return t;
}
noom_uint_t noomV_rawhashValue(noomV_Value v) {
switch(v.tag) {
switch (v.tag) {
case NOOMV_VNIL:
return 0;
case NOOMV_VINT:
@@ -237,14 +237,14 @@ noom_uint_t noomV_rawhashValue(noomV_Value v) {
case NOOMV_VLUSER:
return (noom_uint_t)v.lightuserdata;
case NOOMV_VOBJ: {
noomV_Object *o = v.obj;
if(o->tag != NOOMV_OSTR) return (noom_uint_t)o;
noomV_Object* o = v.obj;
if (o->tag != NOOMV_OSTR) return (noom_uint_t)o;
noomV_String *s = (noomV_String *)o;
if(s->hash == 0) {
noomV_String* s = (noomV_String*)o;
if (s->hash == 0) {
// https://en.wikipedia.org/wiki/Jenkins_hash_function#one_at_a_time
noom_uint_t hash = 0;
for(noom_uint_t i = 0; i < s->len; i++) {
for (noom_uint_t i = 0; i < s->len; i++) {
hash += (unsigned char)s->data[i];
hash += (hash << 10);
hash ^= (hash >> 6);
@@ -262,8 +262,8 @@ noom_uint_t noomV_rawhashValue(noomV_Value v) {
noom_bool_t noomV_isNil(noomV_Value key) { return key.tag == NOOMV_VNIL; }
noom_bool_t noomV_isLegalKey(noomV_Value key) {
if(key.tag == NOOMV_VNIL) return 0;
if(key.tag == NOOMV_VNUM) {
if (key.tag == NOOMV_VNIL) return 0;
if (key.tag == NOOMV_VNUM) {
noom_float_t n = key.number;
// true for all except NaN, which is an illegal key!
return n == n;
@@ -273,14 +273,14 @@ noom_bool_t noomV_isLegalKey(noomV_Value key) {
noom_bool_t noomV_rawequalValue(noomV_Value a, noomV_Value b) {
// special case: integers and numbers
if(a.tag == NOOMV_VINT && b.tag == NOOMV_VNUM) {
if (a.tag == NOOMV_VINT && b.tag == NOOMV_VNUM) {
return a.integer == b.number;
}
if(a.tag == NOOMV_VNUM && b.tag == NOOMV_VINT) {
if (a.tag == NOOMV_VNUM && b.tag == NOOMV_VINT) {
return a.number == b.integer;
}
if(a.tag != b.tag) return 0;
switch(a.tag) {
if (a.tag != b.tag) return 0;
switch (a.tag) {
case NOOMV_VNIL:
return 1;
case NOOMV_VINT:
@@ -294,55 +294,55 @@ noom_bool_t noomV_rawequalValue(noomV_Value a, noomV_Value b) {
case NOOMV_VLUSER:
return a.lightuserdata == b.lightuserdata;
case NOOMV_VOBJ: {
noomV_Object *aObj = a.obj;
noomV_Object *bObj = b.obj;
if(aObj == bObj) return 1;
if(aObj->tag != bObj->tag) return 0;
if(aObj->tag != NOOMV_OSTR) return aObj == bObj;
noomV_Object* aObj = a.obj;
noomV_Object* bObj = b.obj;
if (aObj == bObj) return 1;
if (aObj->tag != bObj->tag) return 0;
if (aObj->tag != NOOMV_OSTR) return aObj == bObj;
noomV_String *strA = (noomV_String *)aObj;
noomV_String *strB = (noomV_String *)bObj;
if(strA->len != strB->len) return 0;
if(strA->hash != 0 && strB->hash != 0 && strA->hash != strB->hash) return 0;
for(noom_uint_t i = 0; i < strA->len; i++) {
if(strA->data[i] != strB->data[i]) return 0;
noomV_String* strA = (noomV_String*)aObj;
noomV_String* strB = (noomV_String*)bObj;
if (strA->len != strB->len) return 0;
if (strA->hash != 0 && strB->hash != 0 && strA->hash != strB->hash) return 0;
for (noom_uint_t i = 0; i < strA->len; i++) {
if (strA->data[i] != strB->data[i]) return 0;
}
return 1;
}
}
}
noomV_Value noomV_rawgetTable(noomV_Table *t, noomV_Value key) {
if(!noomV_isLegalKey(key)) return noomV_nil;
noomV_Value noomV_rawgetTable(noomV_Table* t, noomV_Value key) {
if (!noomV_isLegalKey(key)) return noomV_nil;
noom_uint_t hash = noomV_rawhashValue(key);
noom_uint_t start = hash % t->entries;
for(noom_uint_t i = 0; i < t->entries; i++) {
for (noom_uint_t i = 0; i < t->entries; i++) {
noom_uint_t idx = (start + i) % t->entries;
// unallocated entry, bye-bye
if(t->entrydata[idx].tag == NOOMV_VNIL) break;
if (t->entrydata[idx].tag == NOOMV_VNIL) break;
// isptr on a key means its a tombstone
if(t->entrydata[idx].isptr) continue;
if(noomV_rawequalValue(t->entrydata[idx], key)) {
if (t->entrydata[idx].isptr) continue;
if (noomV_rawequalValue(t->entrydata[idx], key)) {
return t->entrydata[idx + t->entries];
}
}
return noomV_nil;
}
noomV_Value noomV_rawgetiTable(noomV_Table *t, noom_int_t idx) {
return noomV_rawgetTable(t, (noomV_Value) { .tag = NOOMV_VINT, .integer = idx });
noomV_Value noomV_rawgetiTable(noomV_Table* t, noom_int_t idx) {
return noomV_rawgetTable(t, (noomV_Value){.tag = NOOMV_VINT, .integer = idx});
}
// TODO: implement
// used should be at most ~80% of entrydata because
// that's standard practice and we're not computer scientists
noom_Exit noomV_rawsetTable(noom_LuaVM *vm, noomV_Table *t, noomV_Value key, noomV_Value val) {
if(!noomV_isLegalKey(key)) {
noom_Exit noomV_rawsetTable(noom_LuaVM* vm, noomV_Table* t, noomV_Value key, noomV_Value val) {
if (!noomV_isLegalKey(key)) {
noomV_setErrorStr(vm, vm->currentThread, "illegal key");
return NOOM_ERUNTIME;
}
noom_uint_t target = t->entries * 80 / 100;
if(t->used > target) {
if (t->used > target) {
// TODO: resize hashtable
}
// prevent awkward bugs
@@ -352,15 +352,15 @@ noom_Exit noomV_rawsetTable(noom_LuaVM *vm, noomV_Table *t, noomV_Value key, noo
val.autoclose = 0;
noom_uint_t hash = noomV_rawhashValue(key);
noom_uint_t idx = hash % t->entries;
while(1) {
while (1) {
noomV_Value key2 = t->entrydata[idx];
// tombstone!
if(key2.isptr) {
if (key2.isptr) {
t->entrydata[idx] = key;
t->entrydata[idx + t->entries] = val;
return NOOM_OK;
}
if(noomV_rawequalValue(key, key2)) {
if (noomV_rawequalValue(key, key2)) {
// HOLY SHIET!!!!!
t->entrydata[idx + t->entries] = val;
return NOOM_OK;
@@ -371,20 +371,20 @@ noom_Exit noomV_rawsetTable(noom_LuaVM *vm, noomV_Table *t, noomV_Value key, noo
return NOOM_OK;
}
noom_uint_t noomV_rawlenTable(noomV_Table *t) {
noom_uint_t noomV_rawlenTable(noomV_Table* t) {
noom_uint_t guess = t->len;
// TODO: optimize with a bsearch
while(1) {
if(!noomV_isNil(noomV_rawgetiTable(t, guess+1))) guess++;
if(guess == 0) break;
if(noomV_isNil(noomV_rawgetiTable(t, guess))) guess--;
while (1) {
if (!noomV_isNil(noomV_rawgetiTable(t, guess + 1))) guess++;
if (guess == 0) break;
if (noomV_isNil(noomV_rawgetiTable(t, guess))) guess--;
}
return t->len = guess;
}
noomV_Thread *noomV_allocCoroutine(noom_LuaVM *vm) {
noomV_Thread *thrd = (noomV_Thread *)noomV_allocObj(vm, NOOMV_OTHREAD, sizeof(noomV_Thread));
if(thrd == 0) return 0;
noomV_Thread* noomV_allocCoroutine(noom_LuaVM* vm) {
noomV_Thread* thrd = (noomV_Thread*)noomV_allocObj(vm, NOOMV_OTHREAD, sizeof(noomV_Thread));
if (thrd == 0) return 0;
thrd->resumedBy = 0;
thrd->resuming = 0;
thrd->calldepth = 0;
@@ -394,16 +394,16 @@ noomV_Thread *noomV_allocCoroutine(noom_LuaVM *vm) {
thrd->errObj = noomV_nil;
thrd->calls = noom_alloc(sizeof(noomV_CallFrame) * thrd->callcap);
if(thrd->calls == 0) return 0;
if (thrd->calls == 0) return 0;
thrd->stack = noom_alloc(sizeof(noomV_Value) * thrd->stackcap);
if(thrd->stack == 0) return 0;
if (thrd->stack == 0) return 0;
return thrd;
}
void noomV_setErrorStr(noom_LuaVM *vm, noomV_Thread *coro, const char *str) {
noomV_String *s = noomV_allocStr(vm, str, noom_strlen(str));
if(s == 0) {
void noomV_setErrorStr(noom_LuaVM* vm, noomV_Thread* coro, const char* str) {
noomV_String* s = noomV_allocStr(vm, str, noom_strlen(str));
if (s == 0) {
coro->errObj = vm->oomVal;
return;
}
@@ -411,8 +411,8 @@ void noomV_setErrorStr(noom_LuaVM *vm, noomV_Thread *coro, const char *str) {
coro->errObj.obj = &s->obj;
}
noom_Exit noomV_setErrorFromExit(noom_LuaVM *vm, noomV_Thread *coro, noom_Exit exit) {
switch(exit) {
noom_Exit noomV_setErrorFromExit(noom_LuaVM* vm, noomV_Thread* coro, noom_Exit exit) {
switch (exit) {
case NOOM_OK:
coro->errObj = noomV_nil;
break;
@@ -445,20 +445,20 @@ noom_Exit noomV_setErrorFromExit(noom_LuaVM *vm, noomV_Thread *coro, noom_Exit e
return exit;
}
void noomV_freeObj(noom_LuaVM *vm, noomV_Object* obj) {
if(obj->tag == NOOMV_OFUNC) {
noomV_Function *f = (noomV_Function *)obj;
void noomV_freeObj(noom_LuaVM* vm, noomV_Object* obj) {
if (obj->tag == NOOMV_OFUNC) {
noomV_Function* f = (noomV_Function*)obj;
noom_free(f->consts);
noom_free(f->upvals);
noom_free(f->locals);
noom_free(f->code);
}
if(obj->tag == NOOMV_OTABLE) {
noomV_Table *t = (noomV_Table *)obj;
if (obj->tag == NOOMV_OTABLE) {
noomV_Table* t = (noomV_Table*)obj;
noom_free(t->entrydata);
}
if(obj->tag == NOOMV_OTHREAD) {
noomV_Thread *thrd = (noomV_Thread *)obj;
if (obj->tag == NOOMV_OTHREAD) {
noomV_Thread* thrd = (noomV_Thread*)obj;
noom_free(thrd->stack);
noom_free(thrd->calls);
}
@@ -466,32 +466,32 @@ void noomV_freeObj(noom_LuaVM *vm, noomV_Object* obj) {
vm->objCount--;
}
noom_Exit noomV_pushCallFrame(noom_LuaVM *vm, noomV_Thread *coro, noomV_CallFrame cf);
noom_Exit noomV_pushCallFrame(noom_LuaVM* vm, noomV_Thread* coro, noomV_CallFrame cf);
noomV_CallFrame *noomV_topCallFrame(noomV_Thread *coro) {
if(coro->calldepth == 0) return 0;
noomV_CallFrame* noomV_topCallFrame(noomV_Thread* coro) {
if (coro->calldepth == 0) return 0;
return &coro->calls[coro->calldepth - 1];
}
noom_Exit noomV_setThreadStackSize(noom_LuaVM *vm, noomV_Thread *coro, noom_int_t stack) {
if(stack < 0) {
noom_Exit noomV_setThreadStackSize(noom_LuaVM* vm, noomV_Thread* coro, noom_int_t stack) {
if (stack < 0) {
noomV_setErrorStr(vm, coro, "stack underflow");
return NOOM_ERUNTIME;
}
if(stack > NOOM_MAXSTACK) return NOOM_ELIMIT;
if(stack > coro->stackcap) {
if (stack > NOOM_MAXSTACK) return NOOM_ELIMIT;
if (stack > coro->stackcap) {
noom_uint_t newCap = coro->stackcap;
while(newCap < stack) newCap *= 2;
while (newCap < stack) newCap *= 2;
noomV_Value *newStack = noom_realloc(coro->stack, sizeof(noomV_Value) * coro->stackcap);
if(newStack == 0) return NOOM_ENOMEM;
noomV_Value* newStack = noom_realloc(coro->stack, sizeof(noomV_Value) * coro->stackcap);
if (newStack == 0) return NOOM_ENOMEM;
coro->stack = newStack;
coro->stackcap = newCap;
}
// NIL-ify
if(coro->stacklen < stack) {
for(int i = coro->stacklen; i < stack; i++) {
if (coro->stacklen < stack) {
for (int i = coro->stacklen; i < stack; i++) {
coro->stack[i] = noomV_nil;
}
return NOOM_OK;
@@ -519,28 +519,28 @@ noom_LuaVM* noom_createVM(noom_LuaVersion version) {
vm->gcTarget = 100;
vm->gcRatio = 2;
const char *oomStr = "out of memory";
vm->oomVal.obj = (noomV_Object *)noomV_allocStr(vm, oomStr, noom_strlen(oomStr));
if(vm->oomVal.obj == 0) goto rip;
const char* oomStr = "out of memory";
vm->oomVal.obj = (noomV_Object*)noomV_allocStr(vm, oomStr, noom_strlen(oomStr));
if (vm->oomVal.obj == 0) goto rip;
vm->registry = noomV_allocTable(vm, 0, 1);
if(vm->registry == 0) goto rip;
if (vm->registry == 0) goto rip;
vm->globals = noomV_allocTable(vm, 0, 32);
if(vm->globals == 0) goto rip;
if (vm->globals == 0) goto rip;
vm->mainThread = noomV_allocCoroutine(vm);
if(vm->mainThread == 0) goto rip;
if (vm->mainThread == 0) goto rip;
vm->currentThread = vm->mainThread;
// goal: put _G in the registry as the _G key
noomV_String *_G = noomV_allocStr(vm, "_G", 2);
if(_G == 0) goto rip;
noomV_String* _G = noomV_allocStr(vm, "_G", 2);
if (_G == 0) goto rip;
noomV_Value _GKey = { .tag = NOOMV_VOBJ, .obj = &_G->obj, .isptr = 0, .autoclose = 0 };
noomV_Value _GVal = { .tag = NOOMV_VOBJ, .obj = &vm->globals->obj, .isptr = 0, .autoclose = 0 };
noomV_Value _GKey = {.tag = NOOMV_VOBJ, .obj = &_G->obj, .isptr = 0, .autoclose = 0};
noomV_Value _GVal = {.tag = NOOMV_VOBJ, .obj = &vm->globals->obj, .isptr = 0, .autoclose = 0};
noom_Exit err = noomV_rawsetTable(vm, vm->registry, _GKey, _GVal);
if(err) goto rip;
if (err) goto rip;
assert(noomV_rawequalValue(noomV_rawgetTable(vm->registry, _GKey), _GVal));

30
src/vm.h
View File

@@ -50,7 +50,7 @@ typedef struct noomV_Value {
noom_bool_t boolean;
noom_int_t integer;
noom_float_t number;
noom_CFunction *cfunc;
noom_CFunction* cfunc;
void* lightuserdata;
noomV_Object* obj;
struct noomV_Pointer* ptr;
@@ -183,7 +183,7 @@ typedef enum noomV_Opcode : unsigned char {
} noomV_Opcode;
typedef struct noomV_DisInfo {
const char *name;
const char* name;
enum {
NOOMV_DIS_NONE,
NOOMV_DIS_BC,
@@ -316,7 +316,7 @@ typedef struct noomV_CallFrame {
noom_uint_t returnCount;
noom_bool_t isC;
noomV_Value errhandler;
noomV_Pointer **upvals;
noomV_Pointer** upvals;
union {
struct {
// program counter
@@ -364,31 +364,31 @@ extern const noomV_Value noomV_nil;
noomV_Object* noomV_allocObj(noom_LuaVM* vm, noomV_ObjTag tag, noom_uint_t size);
noomV_String* noomV_allocStr(noom_LuaVM* vm, const char* str, noom_uint_t len);
noomV_Function* noomV_allocFunc(noom_LuaVM* vm, noomV_String* chunkname);
noomV_Table *noomV_allocTable(noom_LuaVM *vm, noom_uint_t arraylen, noom_uint_t fields);
noomV_Table* noomV_allocTable(noom_LuaVM* vm, noom_uint_t arraylen, noom_uint_t fields);
noom_uint_t noomV_rawhashValue(noomV_Value v);
noom_bool_t noomV_isNil(noomV_Value key);
noom_bool_t noomV_isLegalKey(noomV_Value key);
noom_bool_t noomV_rawequalValue(noomV_Value a, noomV_Value b);
noomV_Value noomV_rawgetTable(noomV_Table *t, noomV_Value key);
noomV_Value noomV_rawgetiTable(noomV_Table *t, noom_int_t idx);
noom_Exit noomV_rawsetTable(noom_LuaVM *vm, noomV_Table *t, noomV_Value key, noomV_Value val);
noom_uint_t noomV_rawlenTable(noomV_Table *t);
noomV_Value noomV_rawgetTable(noomV_Table* t, noomV_Value key);
noomV_Value noomV_rawgetiTable(noomV_Table* t, noom_int_t idx);
noom_Exit noomV_rawsetTable(noom_LuaVM* vm, noomV_Table* t, noomV_Value key, noomV_Value val);
noom_uint_t noomV_rawlenTable(noomV_Table* t);
noomV_Thread *noomV_allocCoroutine(noom_LuaVM *vm);
noomV_Thread* noomV_allocCoroutine(noom_LuaVM* vm);
void noomV_setErrorStr(noom_LuaVM *vm, noomV_Thread *coro, const char *str);
void noomV_setErrorStr(noom_LuaVM* vm, noomV_Thread* coro, const char* str);
// if exit is ERUNTIME or EERROR, does nothing as it assumes the error is already set!
// It will clear any errors on NOOM_OK!!!
// Returns the exit for convenience
noom_Exit noomV_setErrorFromExit(noom_LuaVM *vm, noomV_Thread *coro, noom_Exit exit);
noom_Exit noomV_setErrorFromExit(noom_LuaVM* vm, noomV_Thread* coro, noom_Exit exit);
void noomV_freeObj(noom_LuaVM *vm, noomV_Object* obj);
void noomV_freeObj(noom_LuaVM* vm, noomV_Object* obj);
noom_Exit noomV_pushCallFrame(noom_LuaVM *vm, noomV_Thread *coro, noomV_CallFrame cf);
noom_Exit noomV_pushCallFrame(noom_LuaVM* vm, noomV_Thread* coro, noomV_CallFrame cf);
// can return NULL if we are not in a call, such as in C API setup.
noomV_CallFrame *noomV_topCallFrame(noomV_Thread *coro);
noomV_CallFrame* noomV_topCallFrame(noomV_Thread* coro);
noom_Exit noomV_setThreadStackSize(noom_LuaVM *vm, noomV_Thread *coro, noom_int_t stack);
noom_Exit noomV_setThreadStackSize(noom_LuaVM* vm, noomV_Thread* coro, noom_int_t stack);
#endif