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Debug messages

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Flag which provides some helpful messages for debugging.
This commit is contained in:
Aryadev Chavali
2023-09-02 16:38:54 +01:00
parent a4f548f3ee
commit c2a4eb3985
1 changed files with 41 additions and 4 deletions
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43
main.c
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@@ -15,10 +15,17 @@
#define MEMORY_DEFAULT 30000 #define MEMORY_DEFAULT 30000
#define DEBUG 0
#define MIN_MEM_DUMP 64
typedef struct typedef struct
{ {
size_t dp; size_t dp;
uint8_t memory[MEMORY_DEFAULT]; uint8_t memory[MEMORY_DEFAULT];
#if DEBUG
size_t dp_max;
#endif
} machine_t; } machine_t;
void interpret(machine_t *cpu, node_t *ast, size_t num) 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; i = node.loop_ref;
break; 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[]) int main(int argc, char *argv[])
@@ -80,6 +96,9 @@ int main(int argc, char *argv[])
filepath = argv[i]; filepath = argv[i];
FILE *handle = fopen(filepath, "r"); FILE *handle = fopen(filepath, "r");
#if DEBUG
printf("[DEBUG]: Attempting to open file handle to %s\n", filepath);
#endif
if (!handle) if (!handle)
{ {
fprintf(stderr, "ERROR: Could not open \"%s\"\n", filepath); fprintf(stderr, "ERROR: Could not open \"%s\"\n", filepath);
@@ -87,8 +106,14 @@ int main(int argc, char *argv[])
} }
file_data = fread_all(handle); file_data = fread_all(handle);
fclose(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)); buffer = buffer_init_str(filepath, file_data, strlen(file_data));
#if DEBUG
puts("[DEBUG]: Initialised buffer");
#endif
res = parse_buffer(buffer); res = parse_buffer(buffer);
if (res.nodes == NULL) if (res.nodes == NULL)
{ {
@@ -96,13 +121,25 @@ int main(int argc, char *argv[])
goto error; goto error;
} }
#if DEBUG
char *str = ast_to_str(res.nodes, res.size); char *str = ast_to_str(res.nodes, res.size);
printf("[DEBUG]: Parsed buffer (%lu nodes parsed)\n\t[DEBUG]: Out=%s\n",
printf("%s=>%s\n", filepath, str); res.size, str);
free(str);
#endif
interpret(&machine, res.nodes, res.size); 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(res.nodes);
free(buffer); free(buffer);
free(file_data); free(file_data);