kwil/src/kwil_generate.c
2023-09-16 17:27:03 +02:00

81 lines
2.4 KiB
C

#include "kwil_generate.h"
#include "kwil_serialize.h"
#include "kwil_deserialize.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
int kwil_header_generate(struct kwil_header_t* self) {
char file_buffer[255];
char* filename;
kwil_header_generated_file_name(self, &filename);
FILE* file = fopen(filename, "w+");
setvbuf(file, file_buffer, _IOLBF, 255);
if(!file) {
printf("Failed to open %s for writing", filename);
free(filename);
return 1;
}
fprintf(file, "#include <string.h>\n");
fprintf(file, "#define KWIL_GEN_IMPL(...)\\\n");
for(int type_index = 0; type_index < self->types_len; ++type_index) {
struct kwil_type_t* type = self->types + type_index;
printf("Generating functions for %s\n", type->type_name);
switch(type->type_tag) {
case KWIL_TYPE_STRUCT:
kwil_struct_generate_json_length(&type->struct_type, file, type->type_name);
kwil_struct_generate_to_json(&type->struct_type, file, type->type_name);
kwil_struct_generate_from_json(&type->struct_type, type->type_name, file);
break;
case KWIL_TYPE_ENUM:
kwil_enum_generate_json_length(&type->enum_type, file, type->type_name);
kwil_enum_generate_to_json(&type->enum_type, file, type->type_name);
kwil_enum_generate_from_json(&type->enum_type, type->type_name, file);
break;
}
}
fprintf(file, "\n");
fclose(file);
free(filename);
return 0;
}
int kwil_header_generated_file_name(struct kwil_header_t* self, char** out) {
int len = strlen(self->file_name);
char* filename = malloc(len + 5);
strncpy(filename, self->file_name, len-2);
strcpy(filename + len-2, ".kwil.h");
*out = filename;
return len;
}
int kwil_typename_to_prefix(const char* restrict type_name, char* restrict out_prefix, size_t out_size) {
if(strncmp("enum ", type_name, 5) == 0) {
type_name += 5;
} else if(strncmp("struct ", type_name, 7) == 0) {
type_name += 7;
}
int len = strlen(type_name);
if(len > out_size) {
return 1;
}
// generate a function prefix for a type name
strcpy(out_prefix, type_name);
// remove _t postfix if relevant
if(strcmp(out_prefix + len -3, "_t") == 0) {
*(out_prefix + len - 3) = '\0';
}
return strlen(out_prefix);
}