From 37c4a3728790909f8fd1c682270310251b7e75a1 Mon Sep 17 00:00:00 2001
From: ALittlePatate <maxime@patate.dev>
Date: Sat, 24 Aug 2024 19:38:45 +0200
Subject: [PATCH] add: elements of strings are now 1 byte, new print api

---
 examples/array.pasm      | 17 +++--------------
 src/api.c                | 13 +++++++++++++
 src/api.h                |  2 ++
 src/interpreter_states.c | 13 +++++++------
 4 files changed, 25 insertions(+), 20 deletions(-)

diff --git a/examples/array.pasm b/examples/array.pasm
index 52adf7a..fa04eff 100644
--- a/examples/array.pasm
+++ b/examples/array.pasm
@@ -20,17 +20,6 @@ add a1, 8
 jmp loop2
 
 main:
-mov a1, msg ; msg is a char *
-loop:
-cmp *a1, 0
-jne 1
-jmp show_arr
-
-push *a1
-push 1
-call put
-
-add a1, 8	; little ptr theory here, as the stack is of type long long
-			; to go to the next value you have to add sizeof(long long) to the ptr
-			; so you need to add 8
-jmp loop
\ No newline at end of file
+push msg
+call print
+jmp show_arr
\ No newline at end of file
diff --git a/src/api.c b/src/api.c
index d239e86..7171445 100644
--- a/src/api.c
+++ b/src/api.c
@@ -40,6 +40,19 @@ void api_put() {
     }
 }
 
+void api_print() {
+    char *address = (char *)state->STACK[state->STACK_IDX--];
+    int f = fstream;
+#ifdef _WIN32
+    if (f == 2) //stderr (could use _fileno(stderr) but it uses the stdlib)
+        f = 1; //stdout
+#else
+    if (f == fileno(stderr))
+        f = fileno(stdout);
+#endif
+    dprintf(f, "%s", address);
+}
+
 void api_callrawaddr() {
     long long address = state->STACK[state->STACK_IDX--];
 
diff --git a/src/api.h b/src/api.h
index 81bb96a..888ed82 100644
--- a/src/api.h
+++ b/src/api.h
@@ -2,6 +2,7 @@
 #include "instructions.h"
 
 void api_put();
+void api_print();
 void api_callrawaddr();
 
 // generated APIs here
@@ -13,6 +14,7 @@ void api_GetAsyncKeyState();
 
 static const command_t api_map[] = {
     {.command = "put", .fptr = api_put},
+    {.command = "print", .fptr = api_print},
     {.command = "CallRawAddress", .fptr = api_callrawaddr},
 
 // generated APIs here
diff --git a/src/interpreter_states.c b/src/interpreter_states.c
index 27bcf78..ee59b46 100644
--- a/src/interpreter_states.c
+++ b/src/interpreter_states.c
@@ -154,6 +154,7 @@ ARRAY_ERR add_array(char* line) {
     char* start_of_values = ptr;
     int array_size = 0;
     long long *arr = NULL;
+    char* arr_char = NULL;
     if (ptr[0] == '"') {
         ++ptr;
         while (*ptr++ != '"') {
@@ -163,13 +164,13 @@ ARRAY_ERR add_array(char* line) {
             }
             ++array_size;
         }
-        long long *tmp = realloc_(arr, array_size * sizeof(long long));
+        char *tmp = realloc_(arr_char, array_size * sizeof(char));
         if (tmp == NULL || array_size == 0) {
 			dprintf(fstream, "Error allocating memory.\n");
 			return ARRAY_ERROR;
         }
-        arr = tmp;
-        memset__(arr, 0, array_size);
+        arr_char = tmp;
+        memset__(arr_char, 0, array_size);
 		long long **temp = realloc_(state->ARRAYS_VALUES, (state->num_arrays + 1) * sizeof(long long*));
 		if (temp == NULL) {
 			dprintf(fstream, "Error allocating memory.\n");
@@ -185,12 +186,12 @@ ARRAY_ERR add_array(char* line) {
                 return ARRAY_ERROR; //" is never closed
             }
             if (strncmp__(ptr, "\\0", 2) == 0) {
-                arr[i++] = 0;
+                arr_char[i++] = 0;
                 break;
             }
-            arr[i++] = (long long)* ptr++;
+            arr_char[i++] = (long long)* ptr++;
         }
-        state->ARRAYS_VALUES[state->num_arrays++] = arr;
+        state->ARRAYS_VALUES[state->num_arrays++] = arr_char;
         return ARRAY_OK;
     }
     ptr = strtok_(ptr, ",");