fix some double free, memory leaks, and seg faults

This commit is contained in:
2025-06-14 19:41:31 +01:00
parent 3a19b1519f
commit 3a1fc91352
16 changed files with 266 additions and 50 deletions

View File

@@ -16,14 +16,20 @@ size_t translate_parsed_declaration(Translated *translated,
if (i==0) first = temp;
size_t length = strlen(singleDeclaration->name);
size_t offset = arena_push(&translated->constants, singleDeclaration->name, length);
push_instruction_code(translated, OP_LOAD_CONST);
push_instruction_code(translated, 1);
push_instruction_code(translated, TYPE_OP_STRING);
push_instruction_code(translated,length);
push_instruction_code(translated, offset);
push_instruction_code(translated, OP_DECLARE);
push_instruction_code(translated, 0);
push_instruction_code(translated, 1);
}
if (delcarations->size != 1) {
push_instruction_code(translated, OP_LOAD_NULL);
push_instruction_code(translated, 0);
}
return first;
}

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@@ -0,0 +1,21 @@
#include "../translator.h"
#include "number.h"
#include <gmp-x86_64.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
size_t translate_parsed_number(Translated *translated, ParsedValue *parsedValue) {
char *number_str = (char*)parsedValue->data;
size_t length = strlen(number_str);
size_t number_pos = arena_push(&translated->constants, number_str, length);
set_registers(translated, 1);
size_t start = push_instruction_code(translated, OP_LOAD_CONST);
push_instruction_code(translated, 0);
push_instruction_code(translated, TYPE_OP_NUMBER);
push_instruction_code(translated,length);
push_instruction_code(translated, number_pos);
return start;
}

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@@ -0,0 +1,7 @@
#ifndef BYTECODE_NUMBER_H
#define BYTECODE_NUMBER_H
#include "../translator.h"
size_t translate_parsed_number(Translated *translated, ParsedValue *parsedValue);
#endif

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@@ -14,7 +14,5 @@ size_t translate_parsed_string(Translated *translated, ParsedValue *parsedValue)
push_instruction_code(translated, TYPE_OP_STRING);
push_instruction_code(translated,parsedString->length);
push_instruction_code(translated, string_pos);
fwrite(parsedString->string, 1, parsedString->length, stdout);
putchar('\n');
return start;
}

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@@ -1,6 +1,7 @@
#include "translator.h"
#include "string/string.h"
#include "declaration/declaration.h"
#include "number/number.h"
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
@@ -69,20 +70,27 @@ void set_registers(Translated * translator, size_t count) {
if (count>translator->registerCount) translator->registerCount = count;
}
size_t translate_parsed(Translated * translator, ParsedValue * parsedValue) {
size_t translate_parsed(Translated * translated, ParsedValue * parsedValue) {
switch (parsedValue->type) {
case AST_STRING:
return translate_parsed_string(translator,parsedValue);
return translate_parsed_string(translated,parsedValue);
case AST_DECLARATION:
return translate_parsed_declaration(translator,parsedValue);
return translate_parsed_declaration(translated,parsedValue);
case AST_NUMBER:
return translate_parsed_number(translated,parsedValue);
case AST_NULL:
set_registers(translated, 1);
size_t output = push_instruction_code(translated, OP_LOAD_NULL);
push_instruction_code(translated, 0);
return output;
}
return 0;
}
void translate(Translated * translator, DArray *ast) {
void translate(Translated * translated, DArray *ast) {
for (size_t i = 0; i<ast->size; i++) {
ParsedValue * parsedValue = darray_get(ast, i);
translate_parsed(translator,parsedValue);
translate_parsed(translated,parsedValue);
}
}

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@@ -8,7 +8,7 @@
#include <stdint.h>
typedef enum { OP_LOAD_CONST = 255, OP_DECLARE, OP_LOAD_NULL, OP_JUMP } OperationType;
typedef enum { TYPE_OP_STRING = 255 } types;
typedef enum { TYPE_OP_STRING = 255, TYPE_OP_NUMBER } types;
typedef struct {
void *data;