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authorAryadev Chavali <aryadev@aryadevchavali.com>2023-09-02 16:38:54 +0100
committerAryadev Chavali <aryadev@aryadevchavali.com>2023-09-02 18:06:22 +0100
commitc2a4eb3985de412b548a713ed72ee752f4ee8e3b (patch)
tree57c21a6d7744d606fcb1958619e73dd5ae27d234 /main.c
parenta4f548f3ee1ff2ed9e198527644c76737b3a1464 (diff)
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Diffstat (limited to 'main.c')
-rw-r--r--main.c45
1 files changed, 41 insertions, 4 deletions
diff --git a/main.c b/main.c
index 0743578..bef8d3c 100644
--- a/main.c
+++ b/main.c
@@ -15,10 +15,17 @@
#define MEMORY_DEFAULT 30000
+#define DEBUG 0
+#define MIN_MEM_DUMP 64
+
typedef struct
{
size_t dp;
uint8_t memory[MEMORY_DEFAULT];
+
+#if DEBUG
+ size_t dp_max;
+#endif
} machine_t;
void interpret(machine_t *cpu, node_t *ast, size_t num)
@@ -55,7 +62,16 @@ void interpret(machine_t *cpu, node_t *ast, size_t num)
i = node.loop_ref;
break;
}
+#if DEBUG
+ if (cpu->dp > cpu->dp_max)
+ cpu->dp_max = cpu->dp + 1;
+#endif
}
+
+#if DEBUG
+ if (cpu->dp_max < MIN_MEM_DUMP)
+ cpu->dp_max = MIN_MEM_DUMP;
+#endif
}
int main(int argc, char *argv[])
@@ -80,6 +96,9 @@ int main(int argc, char *argv[])
filepath = argv[i];
FILE *handle = fopen(filepath, "r");
+#if DEBUG
+ printf("[DEBUG]: Attempting to open file handle to %s\n", filepath);
+#endif
if (!handle)
{
fprintf(stderr, "ERROR: Could not open \"%s\"\n", filepath);
@@ -87,22 +106,40 @@ int main(int argc, char *argv[])
}
file_data = fread_all(handle);
fclose(handle);
+#if DEBUG
+ printf("[DEBUG]: Read data from file %s\n", filepath);
+#endif
buffer = buffer_init_str(filepath, file_data, strlen(file_data));
- res = parse_buffer(buffer);
+#if DEBUG
+ puts("[DEBUG]: Initialised buffer");
+#endif
+ res = parse_buffer(buffer);
if (res.nodes == NULL)
{
fputs("Exiting early...\n", stderr);
goto error;
}
+#if DEBUG
char *str = ast_to_str(res.nodes, res.size);
-
- printf("%s=>%s\n", filepath, str);
+ printf("[DEBUG]: Parsed buffer (%lu nodes parsed)\n\t[DEBUG]: Out=%s\n",
+ res.size, str);
+ free(str);
+#endif
interpret(&machine, res.nodes, res.size);
- free(str);
+#if DEBUG
+ printf("[DEBUG]: Finished interpreting, memory:");
+ for (size_t i = 0; i < machine.dp_max; ++i)
+ {
+ if (i % 8 == 0)
+ printf("\n\t");
+ printf("%d ", machine.memory[i]);
+ }
+#endif
+
free(res.nodes);
free(buffer);
free(file_data);