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implemented enum serialization generation

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Sara 2023-09-13 10:40:39 +02:00
parent fdf11cec7a
commit 19deaea93e
5 changed files with 106 additions and 27 deletions
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37
src/kwil_generate.c
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@ -25,6 +25,7 @@ int kwil_typename_to_prefix(const char* restrict type_name, char* out_prefix, si
if(len > out_size) {
return 1;
}
// generate a function prefix for a type name
strcpy(out_prefix, type_name);
@ -44,7 +45,7 @@ int kwil_header_generate(struct kwil_header_t* self) {
setvbuf(file, file_buffer, _IOLBF, 255);
if(!file) {
printf("Failed to open kwil header for writing");
printf("Failed to open %s for writing", filename);
free(filename);
return 1;
}
@ -62,7 +63,8 @@ int kwil_header_generate(struct kwil_header_t* self) {
kwil_struct_generate_to_json(&type->struct_type, file, type->type_name);
break;
case KWIL_TYPE_ENUM:
//kwil_enum_generate_to_string(&type->enum_type, file, type->type_name);
kwil_enum_generate_json_length(&type->enum_type, file, type->type_name);
kwil_enum_generate_to_json(&type->enum_type, file, type->type_name);
break;
}
}
@ -184,3 +186,34 @@ int kwil_field_generate_to_json(struct kwil_field_t* self, FILE* file) {
return 0;
}
int kwil_enum_generate_json_length(struct kwil_enum_t* self, FILE* file, const char* type_name) {
char prefix[48];
kwil_typename_to_prefix(type_name, prefix, 47);
fprintf(file, "size_t %s_json_length(enum %s* src) {\\\n"
" switch(*src) {\\\n", prefix, type_name);
for(int option_index = 0; option_index < self->enum_values_len; ++option_index) {
fprintf(file, " case %s: return %zu;\\\n",
self->enum_values[option_index].name, strlen(self->enum_values[option_index].name));
}
fprintf(file, " }\\\n"
"}\\\n");
return 0;
}
int kwil_enum_generate_to_json(struct kwil_enum_t* self, FILE* file, const char* type_name) {
char prefix[48];
kwil_typename_to_prefix(type_name, prefix, 47);
fprintf(file, "size_t %s_to_json(enum %s* src, char* out) {\\\n"
" switch(*src) {\\\n", prefix, type_name);
for(int option_index = 0; option_index < self->enum_values_len; ++option_index) {
fprintf(file, " case %s:\\\n"
" return sprintf(out, \"\\\"%s\\\"\");\\\n",
self->enum_values[option_index].name, self->enum_values[option_index].name);
}
fprintf(file, " }\\\n"
"}\\\n");
return 0;
}

5
src/kwil_generate.h
View file

@ -6,8 +6,13 @@
extern int kwil_header_generate(struct kwil_header_t* self);
extern int kwil_struct_generate_json_length(struct kwil_struct_t* self, FILE* file, const char* type_name);
extern int kwil_struct_generate_to_json(struct kwil_struct_t* self, FILE* file, const char* type_name);
extern int kwil_field_generate_to_json(struct kwil_field_t* self, FILE* file);
extern int kwil_enum_generate_json_length(struct kwil_enum_t* self, FILE* file, const char* type_name);
extern int kwil_enum_generate_to_json(struct kwil_enum_t* self, FILE* file, const char* type_name);
#endif // !_kwil_generate_H

11
src/kwil_parse.c
View file

@ -56,18 +56,21 @@ int read_typename(FILE* file, char* out_buf, int max_size) {
char buffer[7];
buffer[6] = '\0';
for(int i = 0; i < 6; ++i) {
buffer[i] = fgetc(file);
c = next_non_whitespace(file);
for(int i = 0; i < 6 && (ispunct(c) || isalnum(c)); ++i) {
buffer[i] = c;
c = fgetc(file);
}
// next line is not a compatible type declaration,
// write null terminator and return zero
if(strncmp(buffer, "struct", 7) != 0 && strncmp(buffer, "enum", 4) != 0) {
if(strncmp(buffer, "struct ", 6) != 0 && strncmp(buffer, "enum ", 4) != 0) {
*out_buf = '\0';
printf("WARNING: KWIL_ENUM or KWIL_STRUCT specifier before incompatible declaration.\n");
return 0;
}
// ignore the whitespace after "struct"
// ignore the whitespace after "struct" or "enum"
c = next_non_whitespace(file);
// write all text until the next whitespace or '{' to the out buffer