r4/lang
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

change IR stream to linked list

Browse Source
This commit is contained in:
r4
2021-12-29 13:27:58 +01:00
parent 45feb3fe1d
commit 7773cc6c14
7 changed files with 159 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
vm.c
View File

@@ -42,14 +42,17 @@ static Value *irparam_to_val(Stack *s, IRParam *v) {
ASSERT_UNREACHED();
}
void run(const IRToks *ir, const BuiltinFunc *builtin_funcs) {
void run(IRList *ir, const BuiltinFunc *builtin_funcs) {
/* so we don't have to call malloc on every function call */
size_t fn_args_cap = 16;
Value *fn_args = xmalloc(sizeof(Value) * fn_args_cap);
/* so we can use index-based addressing */
irlist_update_index(ir);
Stack s = stack_make();
for (size_t i = 0; i < ir->len;) {
IRTok *instr = &ir->toks[i];
for (IRItem *i = ir->begin; i;) {
IRTok *instr = &i->tok;
err_ln = instr->ln;
err_col = instr->col;
switch (instr->instr) {
@@ -91,11 +94,11 @@ void run(const IRToks *ir, const BuiltinFunc *builtin_funcs) {
{free(fn_args); stack_term(&s);});
break;
case IRJmp:
i = instr->Jmp.iaddr;
i = ir->index[instr->Jmp.iaddr];
continue;
case IRJnz:
if (is_nonzero(irparam_to_val(&s, &instr->CJmp.condition))) {
i = instr->Jmp.iaddr;
i = ir->index[instr->Jmp.iaddr];
continue;
}
break;
@@ -137,7 +140,7 @@ void run(const IRToks *ir, const BuiltinFunc *builtin_funcs) {
ASSERT_UNREACHED();
}
i++;
i = i->next;
}
stack_term(&s);
free(fn_args);