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- #include "vm/print.h"
-
- #include <stdio.h>
- #include <string.h>
- #include <stdint.h>
-
- void l2_vm_print_val(struct l2_vm_value *val) {
-
- switch (l2_vm_value_type(val)) {
- case L2_VAL_TYPE_NONE:
- printf("NONE\n");
- break;
-
- case L2_VAL_TYPE_ATOM:
- printf("ATOM %u\n", val->atom);
- break;
-
- case L2_VAL_TYPE_REAL:
- printf("REAL %f\n", val->real);
- break;
-
- case L2_VAL_TYPE_ARRAY:
- {
- if (val->array == NULL) {
- printf("ARRAY, empty\n");
- return;
- }
-
- printf("ARRAY, len %zu\n", val->array->len);
- for (size_t i = 0; i < val->array->len; ++i) {
- printf(" %zu: %u\n", i, val->array->data[i]);
- }
- }
- break;
-
- case L2_VAL_TYPE_BUFFER:
- {
- if (val->buffer == NULL) {
- printf("BUFFER, empty\n");
- return;
- }
-
- printf("BUFFER, len %zu\n", val->buffer->len);
- for (size_t i = 0; i < val->buffer->len; ++i) {
- printf(" %zu: %c\n", i, val->buffer->data[i]);
- }
- }
- break;
-
- case L2_VAL_TYPE_NAMESPACE:
- {
- if (val->ns == NULL) {
- printf("NAMESPACE, empty, parent %u\n", val->extra.ns_parent);
- return;
- }
-
- printf("NAMESPACE, len %zu, parent %u\n", val->ns->len, val->extra.ns_parent);
- for (size_t i = 0; i < val->ns->size; ++i) {
- l2_word key = val->ns->data[i];
- l2_word v = val->ns->data[val->ns->size + i];
- if (key == 0 || key == ~(l2_word)0) continue;
- printf(" %u: %u\n", key, v);
- }
- }
- break;
-
- case L2_VAL_TYPE_FUNCTION:
- printf("FUNCTION, pos %u, ns %u\n", val->func.pos, val->func.ns);
- break;
-
- case L2_VAL_TYPE_CFUNCTION:
- // ISO C doesn't let you cast a function pointer to void*.
- printf("C FUNCTION, %jx\n", (uintmax_t)val->cfunc);
- break;
-
- case L2_VAL_TYPE_ERROR:
- printf("ERROR, %s\n", val->error);
- break;
- }
- }
-
- void l2_vm_print_state(struct l2_vm *vm) {
- printf("Stack:\n");
- l2_vm_print_stack(vm);
- printf("Heap:\n");
- l2_vm_print_heap(vm);
- printf("Frame Stack:\n");
- l2_vm_print_fstack(vm);
- }
-
- void l2_vm_print_heap(struct l2_vm *vm) {
- for (l2_word i = 0; i < vm->valuessize; ++i) {
- if (l2_bitset_get(&vm->valueset, i)) {
- printf(" %u: ", i);
- l2_vm_print_val(&vm->values[i]);
- }
- }
- }
-
- void l2_vm_print_stack(struct l2_vm *vm) {
- for (l2_word i = 0; i < vm->sptr; ++i) {
- printf(" %i: %i\n", i, vm->stack[i]);
- }
- }
-
- void l2_vm_print_fstack(struct l2_vm *vm) {
- for (l2_word i = 0; i < vm->fsptr; ++i) {
- printf(" %i: %i, ret %i, stack base %i\n",
- i, vm->fstack[i].ns, vm->fstack[i].retptr, vm->fstack[i].sptr);
- }
- }
-
- void l2_vm_print_op(l2_word *ops, size_t opcount, size_t *ptr) {
- enum l2_opcode opcode = (enum l2_opcode)ops[(*ptr)++];
-
- switch (opcode) {
- case L2_OP_NOP:
- printf("NOP\n");
- return;
-
- case L2_OP_DISCARD:
- printf("DISCARD\n");
- return;
-
- case L2_OP_SWAP_DISCARD:
- printf("SWAP_DISCARD\n");
- return;
-
- case L2_OP_DUP:
- printf("DUP\n");
- return;
-
- case L2_OP_ADD:
- printf("ADD\n");
- return;
-
- case L2_OP_FUNC_CALL:
- printf("FUNC_CALL %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_RJMP:
- printf("RJMP %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_STACK_FRAME_LOOKUP:
- printf("STACK_FRAME_LOOKUP %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_STACK_FRAME_SET:
- printf("STACK_FRAME_SET %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_STACK_FRAME_REPLACE:
- printf("STACK_FRAME_REPLACE %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_RET:
- printf("RET\n");
- return;
-
- case L2_OP_ALLOC_NONE:
- printf("ALLOC_NONE\n");
- return;
-
- case L2_OP_ALLOC_ATOM:
- printf("ALLOC_ATOM %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_ALLOC_REAL:
- {
- l2_word w1 = ops[(*ptr)++];
- l2_word w2 = ops[(*ptr)++];
- printf("ALLOC_REAL %08x %08x\n", w1, w2);
- }
- return;
-
- case L2_OP_ALLOC_BUFFER_STATIC:
- {
- l2_word w1 = ops[(*ptr)++];
- l2_word w2 = ops[(*ptr)++];
- printf("ALLOC_BUFFER_STATIC %08x %08x\n", w1, w2);
- }
- return;
-
- case L2_OP_ALLOC_ARRAY:
- printf("ALLOC_ARRAY %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_ALLOC_NAMESPACE:
- printf("ALLOC_NAMESPACE\n");
- return;
-
- case L2_OP_ALLOC_FUNCTION:
- printf("ALLOC_FUNCTION %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_NAMESPACE_SET:
- printf("NAMESPACE_SET %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_NAMESPACE_LOOKUP:
- printf("NAMESPACE_LOOKUP %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_ARRAY_LOOKUP:
- printf("ARRAY_LOOKUP %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_ARRAY_SET:
- printf("ARRAY_SET %08x\n", ops[(*ptr)++]);
- return;
-
- case L2_OP_DYNAMIC_LOOKUP:
- printf("DYNAMIC_LOOKUP\n");
- return;
-
- case L2_OP_DYNAMIC_SET:
- printf("DYNAMIC_SET\n");
- return;
-
- case L2_OP_HALT:
- printf("HALT\n");
- return;
- }
-
- l2_word word = (l2_word)opcode;
- char bytes[sizeof(word)];
- memcpy(&bytes, &word, sizeof(word));
- printf("?");
- for (size_t i = 0; i < sizeof(bytes); ++i) {
- printf(" %02x", bytes[i]);
- }
- printf("\n");
- }
-
- void l2_vm_print_bytecode(l2_word *ops, size_t opcount) {
- size_t ptr = 0;
- while (ptr < opcount) {
- printf("%04zu ", ptr);
- l2_vm_print_op(ops, opcount, &ptr);
- }
- }
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