feat: generate C struct info

src/main.c

@@ -1,3 +1,4 @@
+#include <ctype.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <string.h>
@@ -118,6 +119,35 @@ void print_struct(Struct_Info info) {
     printf("]\n");
 }
 
+#define gen(...) do {                                       \
+        fprintf(stream, __VA_ARGS__);                       \
+        fprintf(stream, " // %s:%d\n", __FILE__, __LINE__); \
+    } while(0)
+
+char* to_lowercase(char* str) {
+    size_t len = strlen(str);
+    for(size_t i = 0; i < len; i += 1) {
+        str[i] = tolower(str[i]);
+    }
+    return str;
+}
+
+void generate_struct_info(FILE* stream, Struct_Info info) {
+    char* lowercase_name = to_lowercase(strdup(info.name));
+
+    gen("static Struct_Info %s_info = {", lowercase_name);
+    gen("    .name = \"%s\",", info.name);
+    gen("    .fields_count = %zu,", info.fields_count);
+    gen("    .fields = (Field_Info[%zu]) {", info.fields_count);
+    for (size_t i = 0; i < info.fields_count; i += 1) {
+        gen("        { .type = \"%s\", .name = \"%s\" },", info.fields[i].type, info.fields[i].name);
+    }
+    gen("    },");
+    gen("};");
+    
+    free(lowercase_name);
+}
+
 int main(void)
 {
     const char *source = "typedef struct { int int_field; bool bool_field; } My_Struct;";
@@ -126,8 +156,10 @@ int main(void)
 
     Struct_Info info = {0};
     if (!parse_struct(&info)) return 1;
-
+    printf("--- Parsed ------------\n");
     print_struct(info);
+    printf("--- Generated ---------\n");
+    generate_struct_info(stdout, info);
 
     return 0;
 }