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add hashmap to scope and identifier loading at runtime

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This commit is contained in:
William Bell
2025-07-12 03:33:59 +01:00
parent fe7eaa8de3
commit c0eb9e3a04
18 changed files with 141 additions and 35 deletions
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42
src/runtime/runtime.c
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@@ -1,5 +1,6 @@
#include "runtime.h"
#include "../err.h"
#include "../hash_data/hash_data.h"
#include "../translator/translator.h"
#include "objects/functions/functions.h"
#include "objects/null/null.h"
@@ -63,6 +64,31 @@ void load_const(Translated *translated, RuntimeState *state) {
state->registers[to_register] = object;
}
ArErr load_variable(Translated *translated, RuntimeState *state,
struct Stack stack) {
int64_t length = pop_bytecode(translated, state);
int64_t offset = pop_bytecode(translated, state);
int64_t source_location_index = pop_bytecode(translated, state);
char *name = checked_malloc(length);
memcpy(name, arena_get(&translated->constants, offset), length);
uint64_t hash = siphash64_bytes(name, length, siphash_key);
struct Stack *current_stack = &stack;
while (current_stack) {
ArgonObject *result = hashmap_lookup_GC(current_stack->scope, hash);
if (result) {
state->registers[0] = result;
free(name);
return no_err;
}
current_stack = current_stack->prev;
}
SourceLocation *source_location = darray_get(&translated->source_locations, source_location_index);
ArErr err = create_err(source_location->line, source_location->column, length, state->path, "Name Error", "name '%.*s' is not defined",
(int)length, name);
free(name);
return err;
}
ArErr run_instruction(Translated *translated, RuntimeState *state,
struct Stack stack) {
OperationType opcode = pop_byte(translated, state);
@@ -76,18 +102,25 @@ ArErr run_instruction(Translated *translated, RuntimeState *state,
case OP_LOAD_FUNCTION:
load_argon_function(translated, state, stack);
break;
case OP_IDENTIFIER:
return load_variable(translated, state, stack);
default:
return create_err(0, 0, 0, NULL, "Runtime Error", "Invalid Opcode %#x", opcode);
return create_err(0, 0, 0, NULL, "Runtime Error", "Invalid Opcode %#x",
opcode);
}
return no_err;
}
RuntimeState init_runtime_state(Translated translated) {
RuntimeState init_runtime_state(Translated translated, char *path) {
return (RuntimeState){
checked_malloc(translated.registerCount * sizeof(ArgonObject *)), 0};
checked_malloc(translated.registerCount * sizeof(ArgonObject *)), 0,
path};
}
Stack create_scope(Stack *prev) { return (Stack){NULL, prev}; }
Stack create_scope(Stack *prev) {
struct hashmap_GC *scope = createHashmap_GC();
return (Stack){scope, prev};
}
ArErr runtime(Translated translated, RuntimeState state, Stack stack) {
state.head = 0;
@@ -97,6 +130,5 @@ ArErr runtime(Translated translated, RuntimeState state, Stack stack) {
return err;
}
}
free(state.registers);
return no_err;
}