minor refactoring

This commit is contained in:
CPunch 2023-06-03 01:39:35 -05:00
parent e0faa14b35
commit dcf6a09dae
6 changed files with 37 additions and 35 deletions

View File

@ -9,53 +9,53 @@ void printIndent(int indent)
printf("\t");
}
int simpleInstruction(const char *name, int offset)
static int simpleInstruction(const char *name, int offset)
{
printf("%s", name);
return offset + 1; // consume opcode
}
int u8OperandInstruction(const char *name, CChunk *chunk, int offset)
static int u8OperandInstruction(const char *name, CChunk *chunk, int offset)
{
printf("%-16s [%03d]", name, readu8Chunk(chunk, offset + 1));
return offset + 2;
}
int u16OperandInstruction(const char *name, CChunk *chunk, int offset)
static int u16OperandInstruction(const char *name, CChunk *chunk, int offset)
{
printf("%-16s [%05d]", name, readu16Chunk(chunk, offset + 1));
return offset + 1 + (sizeof(uint16_t) / sizeof(INSTRUCTION));
}
int JumpInstruction(const char *name, CChunk *chunk, int offset, int dir)
static int JumpInstruction(const char *name, CChunk *chunk, int offset, int dir)
{
int jmp = ((int)readu16Chunk(chunk, offset + 1)) * dir;
printf("%-16s [%05d] - jumps to %04d", name, jmp, offset + 3 + jmp);
return offset + 1 + (sizeof(uint16_t) / sizeof(INSTRUCTION));
}
int u8u8OperandInstruction(const char *name, CChunk *chunk, int offset)
static int u8u8OperandInstruction(const char *name, CChunk *chunk, int offset)
{
printf("%-16s [%03d] [%03d]", name, readu8Chunk(chunk, offset + 1),
readu8Chunk(chunk, offset + 2));
return offset + 3; // op + u8 + u8
}
int u8u16OperandInstruction(const char *name, CChunk *chunk, int offset)
static int u8u16OperandInstruction(const char *name, CChunk *chunk, int offset)
{
printf("%-16s [%03d] [%05d]", name, readu8Chunk(chunk, offset + 1),
readu16Chunk(chunk, offset + 2));
return offset + 4; // op + u8 + u16
}
int u8u8u16OperandInstruction(const char *name, CChunk *chunk, int offset)
static int u8u8u16OperandInstruction(const char *name, CChunk *chunk, int offset)
{
printf("%-16s [%03d] [%03d] [%05d]", name, readu8Chunk(chunk, offset + 1),
readu8Chunk(chunk, offset + 2), readu16Chunk(chunk, offset + 3));
return offset + 5; // op + u8 + u8 + u16
}
int constInstruction(const char *name, CChunk *chunk, int offset)
static int constInstruction(const char *name, CChunk *chunk, int offset)
{
int index = readu16Chunk(chunk, offset + 1);
printf("%-16s [%05d] - ", name, index);

View File

@ -150,7 +150,7 @@ static bool match(CLexState *state, char expected)
return true;
}
char peek(CLexState *state)
static char peek(CLexState *state)
{
return *state->currentChar;
}
@ -163,7 +163,7 @@ static char peekNext(CLexState *state)
return state->currentChar[1];
}
char next(CLexState *state)
static char next(CLexState *state)
{
if (isEnd(state))
return '\0'; // return a null terminator
@ -171,12 +171,12 @@ char next(CLexState *state)
return state->currentChar[-1];
}
bool isHex(char c)
static bool isHex(char c)
{
return isNumerical(c) || ('A' <= c && 'F' >= c) || ('a' <= c && 'f' >= c);
}
CTokenType identifierType(CLexState *state)
static CTokenType identifierType(CLexState *state)
{
int length = state->currentChar - state->startChar;
@ -192,7 +192,7 @@ CTokenType identifierType(CLexState *state)
return TOKEN_IDENTIFIER;
}
void skipWhitespace(CLexState *state)
static void skipWhitespace(CLexState *state)
{
while (true) {
char c = peek(state);
@ -235,7 +235,7 @@ void skipWhitespace(CLexState *state)
}
}
CToken parseString(CLexState *state)
static CToken parseString(CLexState *state)
{
makeBuffer(state); // buffer mode
while (peek(state) != '"' && !isEnd(state)) {
@ -341,7 +341,7 @@ CToken parseString(CLexState *state)
return makeToken(state, TOKEN_STRING);
}
CToken parseNumber(CLexState *state)
static CToken parseNumber(CLexState *state)
{
switch (peek(state)) {
case 'x': // hexadecimal number
@ -380,7 +380,7 @@ CToken parseNumber(CLexState *state)
return makeToken(state, TOKEN_NUMBER);
}
CToken parseIdentifier(CLexState *state)
static CToken parseIdentifier(CLexState *state)
{
// read literal
while ((isAlpha(peek(state)) || isNumerical(peek(state))) && !isEnd(state))

View File

@ -93,7 +93,7 @@ typedef struct
char *currentChar;
char *startChar;
char *buffer; // if non-NULL & bufCount > 0, token->start & token->length will be set to buffer
// & bufCount respectively
// & bufCount respectively. used exclusively for string literals
size_t bufCount;
size_t bufCap;
int line; // current line

View File

@ -51,10 +51,10 @@ COSMO_API bool cosmoM_checkGarbage(CState *state, size_t needed)
return false;
}
void markObject(CState *state, CObj *obj);
void markValue(CState *state, CValue val);
static void markObject(CState *state, CObj *obj);
static void markValue(CState *state, CValue val);
void markTable(CState *state, CTable *tbl)
static void markTable(CState *state, CTable *tbl)
{
if (tbl->table == NULL) // table is still being initialized
return;
@ -68,7 +68,7 @@ void markTable(CState *state, CTable *tbl)
}
// frees white members from the table
void tableRemoveWhite(CState *state, CTable *tbl)
static void tableRemoveWhite(CState *state, CTable *tbl)
{
if (tbl->table == NULL) // table is still being initialized
return;
@ -86,7 +86,7 @@ void tableRemoveWhite(CState *state, CTable *tbl)
cosmoT_checkShrink(state, tbl); // recovers the memory we're no longer using
}
void markArray(CState *state, CValueArray *array)
static void markArray(CState *state, CValueArray *array)
{
for (size_t i = 0; i < array->count; i++) {
markValue(state, array->values[i]);
@ -95,7 +95,7 @@ void markArray(CState *state, CValueArray *array)
// mark all references associated with the object
// black = keep, white = discard
void blackenObject(CState *state, CObj *obj)
static void blackenObject(CState *state, CObj *obj)
{
markObject(state, (CObj *)obj->proto);
switch (obj->type) {
@ -161,7 +161,7 @@ void blackenObject(CState *state, CObj *obj)
}
}
void markObject(CState *state, CObj *obj)
static void markObject(CState *state, CObj *obj)
{
if (obj == NULL || obj->isMarked) // skip if NULL or already marked
return;
@ -185,14 +185,14 @@ void markObject(CState *state, CObj *obj)
state->grayStack.array[state->grayStack.count++] = obj;
}
void markValue(CState *state, CValue val)
static void markValue(CState *state, CValue val)
{
if (IS_REF(val))
markObject(state, cosmoV_readRef(val));
}
// trace our gray references
void traceGrays(CState *state)
static void traceGrays(CState *state)
{
while (state->grayStack.count > 0) {
CObj *obj = state->grayStack.array[--state->grayStack.count];
@ -200,7 +200,7 @@ void traceGrays(CState *state)
}
}
void sweep(CState *state)
static void sweep(CState *state)
{
CObj *prev = NULL;
CObj *object = state->objects;
@ -224,7 +224,7 @@ void sweep(CState *state)
}
}
void markUserRoots(CState *state)
static void markUserRoots(CState *state)
{
CObj *root = state->userRoots;
@ -235,7 +235,7 @@ void markUserRoots(CState *state)
}
}
void markRoots(CState *state)
static void markRoots(CState *state)
{
// mark all values on the stack
for (StkPtr value = state->stack; value < state->top; value++) {

View File

@ -67,6 +67,7 @@ COSMO_API void cosmoM_collectGarbage(CState *state);
COSMO_API void cosmoM_updateThreshhold(CState *state);
// lets the VM know you are holding a reference to a CObj and to not free it
// NOTE: prefer to use the stack when possible
COSMO_API void cosmoM_addRoot(CState *state, CObj *newRoot);
// lets the VM know this root is no longer held in a reference and is able to be freed

View File

@ -11,7 +11,7 @@
#define MIN_TABLE_CAPACITY ARRAY_START
// bit-twiddling hacks, gets the next power of 2
unsigned int nextPow2(unsigned int x)
static unsigned int nextPow2(unsigned int x)
{
if (x <= ARRAY_START - 1)
return ARRAY_START; // sanity check
@ -46,13 +46,14 @@ void cosmoT_initTable(CState *state, CTable *tbl, int startCap)
void cosmoT_addTable(CState *state, CTable *from, CTable *to)
{
CTableEntry *entry;
int cap = from->capacityMask + 1;
for (int i = 0; i < cap; i++) {
CTableEntry *entry = &from->table[i];
entry = &from->table[i];
if (!(IS_NIL(entry->key))) {
CValue *newVal = cosmoT_insert(state, to, entry->key);
*newVal = entry->val;
*cosmoT_insert(state, to, entry->key) = entry->val;
}
}
}
@ -62,7 +63,7 @@ void cosmoT_clearTable(CState *state, CTable *tbl)
cosmoM_freearray(state, CTableEntry, tbl->table, (tbl->capacityMask + 1));
}
uint32_t getObjectHash(CObj *obj)
static uint32_t getObjectHash(CObj *obj)
{
switch (obj->type) {
case COBJ_STRING:
@ -72,7 +73,7 @@ uint32_t getObjectHash(CObj *obj)
}
}
uint32_t getValueHash(CValue *val)
static uint32_t getValueHash(CValue *val)
{
switch (GET_TYPE(*val)) {
case COSMO_TREF: