From df5bbb2e7d465699616d1fdbfdb76fa2b0bd1ee9 Mon Sep 17 00:00:00 2001
From: anon <anon@anon.anon>
Date: Fri, 1 Sep 2023 16:52:22 +0200
Subject: [PATCH] .

---
 debug/regex.pretty_print.py | 54 +++++++++++++++++++++++++++++++++++
 src/vector.c                | 68 +++++++++++++++++++++++++++++++++++++++++++++
 src/vector.h                | 33 ++++++++++++++++++++++
 3 files changed, 155 insertions(+)
 create mode 100644 debug/regex.pretty_print.py
 create mode 100644 src/vector.c
 create mode 100644 src/vector.h

diff --git a/debug/regex.pretty_print.py b/debug/regex.pretty_print.py
new file mode 100644
index 0000000..43f3646
--- /dev/null
+++ b/debug/regex.pretty_print.py
@@ -0,0 +1,54 @@
+class RegexPrinter:
+	def __init__(self, val):
+		self.val = val
+	def to_string(self):
+		# Init
+		s = "{"
+		#   Regular shit
+		s += "accepting_state = " + str(self.val['accepting_state']) + ", str = " + str(self.val['str']) + ",\n"
+		#   Delta
+		delta_t_ptr_ptr = gdb.lookup_type("delta_t").pointer().pointer()
+		dt = self.val['delta_table']
+		s += "delta_table = {\n"
+		for i in range(0, dt['element_count']):
+			s += "\t"
+			s += (
+					str(
+						(
+							dt['data'].cast(delta_t_ptr_ptr)
+								+
+							i
+						).dereference().dereference()
+					)
+				)
+			s += ",\n"
+		s = s[:-2]
+		s += "\n  },\n"
+		#   Offshoot
+		offshoot_t_ptr_ptr = gdb.lookup_type("offshoot_t").pointer().pointer()
+		dt = self.val['catch_table']
+		s += "offshoot_table = { \n"
+		for i in range(0, dt['element_count']):
+			s += "\t"
+			s += (
+					str(
+						(
+							dt['data'].cast(offshoot_t_ptr_ptr)
+								+
+							i
+						).dereference().dereference()
+					)
+				)
+			s += ",\n"
+		s = s[:-2]
+		s += "\n  }\n"
+		# Closour
+		s += "}"
+		return s
+
+def regex_lookup(val):
+	if str(val.type) == 'regex_t' or str(val.type) == 'const regex_t':
+		return RegexPrinter(val)
+	return None
+
+gdb.pretty_printers.append(regex_lookup)
diff --git a/src/vector.c b/src/vector.c
new file mode 100644
index 0000000..3cfe9f8
--- /dev/null
+++ b/src/vector.c
@@ -0,0 +1,68 @@
+/* vector.c
+ * Copyright 2023 Anon Anonson, Ognjen 'xolatile' Milan Robovic, Emil Williams
+ * SPDX Identifier: GPL-3.0-only / NO WARRANTY / NO GUARANTEE */
+
+#include "vector.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+void vector_init(vector_t *        vector,
+                 size_t      element_size,
+                 size_t     element_count) {
+	assert(element_size);
+
+	vector->data          = NULL;
+	vector->element_size  = element_size;
+	vector->element_count = element_count;
+
+	vector->data = calloc(vector->element_count, vector->element_size);
+
+	assert(vector->data);
+}
+
+void vector_push(vector_t * vector,
+                 void     *   data) {
+	assert(vector);
+
+	vector->element_count += 1;
+
+	vector->data = realloc(vector->data,
+	                       vector->element_size * vector->element_count);
+
+	assert(vector->data);
+
+	memcpy(&vector->data[(vector->element_count - 1) * vector->element_size],
+	       data,
+	       vector->element_size);
+}
+
+void vector_pop(vector_t * vector) {
+	assert(vector); // UNUSED
+}
+
+void * vector_get(const vector_t * const  vector,
+                  const size_t           element) {
+	assert(vector);
+	assert(element < vector->element_count);
+
+	return &vector->data[vector->element_size * element];
+}
+
+void vector_set(vector_t *  vector,
+                void     *    data,
+                size_t     element) {
+	assert(vector);
+	assert(element >= vector->element_count);
+
+	memcpy(&vector->data[vector->element_size * element],
+	       data,
+	       vector->element_size);
+}
+
+void vector_free(vector_t * vector) {
+	free(vector->data);
+}
+
diff --git a/src/vector.h b/src/vector.h
new file mode 100644
index 0000000..170e56b
--- /dev/null
+++ b/src/vector.h
@@ -0,0 +1,33 @@
+#ifndef VECTOR_H
+#define VECTOR_H
+
+#include <stddef.h>
+
+// TODO: Handle error warnings?
+// TODO: Implement more useful functions?
+
+typedef struct {
+	char   *          data;
+	size_t    element_size;
+	size_t   element_count;
+} vector_t;
+
+extern void vector_init(vector_t *        vector,
+                        size_t      element_size,
+                        size_t     element_count);
+
+extern void vector_push(vector_t * vector,
+                        void     *   data);
+
+extern void vector_pop(vector_t * vector);
+
+extern void * vector_get(const vector_t * const   vector,
+                         const size_t            element);
+
+extern void vector_set(vector_t *  vector,
+                       void     *    data,
+                       size_t     element);
+
+extern void vector_free(vector_t * vector);
+
+#endif