77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
#include "priv.h"
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#include <stdlib.h>
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struct TycheVM {
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Stack* stack;
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Heap* heap;
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Code* code;
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};
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TycheVM* tyc_new(void)
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{
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TycheVM* t = xcalloc(1, sizeof(TycheVM));
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t->stack = stack_new();
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t->heap = heap_new();
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t->code = code_new();
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return t;
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}
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void tyc_destroy(TycheVM* t)
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{
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code_destroy(t->code);
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heap_destroy(t->heap);
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stack_destroy(t->stack);
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free(t);
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}
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TYC_RESULT tyc_load_bytecode(TycheVM* T, uint8_t const* bytecode, size_t bytecode_sz)
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{
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return code_load_bytecode(T->code, bytecode, bytecode_sz);
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}
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TYC_RESULT tyc_call(TycheVM* T, uint16_t n_pars)
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{
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abort(); // TODO
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}
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size_t tyc_stack_size(TycheVM* T)
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{
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return stack_len(T->stack);
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}
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void tyc_pushinteger(TycheVM* T, int32_t value)
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{
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stack_push(T->stack, create_value_integer(value));
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}
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TYC_RESULT tyc_type(TycheVM* T, int idx, TYC_TYPE* type)
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{
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VALUE v;
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TYC_RESULT r = stack_at(T->stack, idx, &v);
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if (r == T_OK)
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*type = v.type;
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return r;
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}
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TYC_RESULT tyc_tointeger(TycheVM* T, int idx, int32_t* value)
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{
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VALUE v;
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TYC_RESULT r = stack_at(T->stack, idx, &v);
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if (r == T_OK) {
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if (v.type != TT_INTEGER)
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return T_ERR_TYPE_UNEXPECTED;
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*value = value_integer(v);
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}
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return r;
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}
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TYC_RESULT tyc_expr(TycheVM* T, TYC_EXPR expr)
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{
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// TODO
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VALUE v1, v2;
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stack_pop(T->stack, &v2);
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stack_pop(T->stack, &v1);
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stack_push(T->stack, create_value_integer(value_integer(v1) + value_integer(v2)));
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return T_OK;
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} |