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add if and else, and fix nested loops (hopefully)

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r4
2021-12-23 19:58:00 +01:00
parent ef63742015
commit 97e8e32ebc
6 changed files with 87 additions and 14 deletions
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14
ir.c
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@@ -49,11 +49,21 @@ void irtoks_app(IRToks *v, IRTok t) {
v->toks[v->len++] = t;
}
void irtoks_app_irtoks(IRToks *v, IRToks *other) {
void irtoks_eat_irtoks(IRToks *v, IRToks *other, size_t jmp_offset) {
if (v->len+other->len > v->cap)
v->toks = xrealloc(v->toks, sizeof(IRTok) * (other->len + (v->cap *= 2)));
for (size_t i = 0; i < other->len; i++)
for (size_t i = 0; i < other->len; i++) {
/* correct for changed jump addresses */
if (other->toks[i].instr == IRJmp)
other->toks[i].Jmp.iaddr += jmp_offset;
else if (other->toks[i].instr == IRJnz)
other->toks[i].CJmp.iaddr += jmp_offset;
v->toks[v->len++] = other->toks[i];
}
/* We're not calling irtoks_term() because we don't want associated items
* (for example function arguments) to get deallocated as well. */
free(other->toks);
}
static void print_val(const Value *v);