diff options
Diffstat (limited to 'lsp.c')
-rw-r--r-- | lsp.c | 300 |
1 files changed, 1 insertions, 299 deletions
@@ -2,304 +2,6 @@ typedef struct { Process process; } LSP; -typedef struct { - u32 pos; - u32 len; -} JSONString; - -typedef struct JSONValue JSONValue; - -typedef struct { - u32 len; - // this is an index into the values array - // values[items..items+len] store the names - // values[items+len..items+2*len] store the values - u32 items; -} JSONObject; - -typedef struct { - u32 len; - // this is an index into the values array - // values[elements..elements+len] are the elements - u32 elements; -} JSONArray; - -enum { - JSON_NULL, - JSON_FALSE, - JSON_TRUE, - JSON_NUMBER, - JSON_STRING, - JSON_OBJECT, - JSON_ARRAY -}; - -struct JSONValue { - u8 type; - union { - double number; - JSONString string; - JSONArray array; - JSONObject object; - } val; -}; - - -typedef struct { - char error[64]; - const char *text; - // root = values[0] - JSONValue *values; -} JSON; - -static bool json_parse_value(JSON *json, u32 *p_index, JSONValue *val); - -// count number of comma-separated values until -// closing ] or } -static u32 json_count(JSON *json, u32 index) { - int bracket_depth = 0; - int brace_depth = 0; - u32 count = 1; - const char *text = json->text; - while (isspace(text[index])) ++index; - // special case: empty object/array - if (text[index] == '}' || text[index] == ']') - return 0; - - int mark[5000] = {0}; - for (; ; ++index) { - switch (text[index]) { - case '\0': - return 0; // bad no closing bracket - case '[': - ++bracket_depth; - break; - case ']': - --bracket_depth; - if (bracket_depth < 0) - return count; - break; - case '{': - ++brace_depth; - mark[index] = true; - break; - case '}': - --brace_depth; - mark[index] = true; - if (brace_depth < 0){ - - for (int i = 0; text[i]; ++i ){ - switch (mark[i]){ - case 1: printf("\x1b[91m"); break; - case 2: printf("\x1b[92m"); break; - } - printf("%c",text[i]); - if (mark[i]) printf("\x1b[0m"); - } - printf("\n"); - - return count; - } - break; - case ',': - if (bracket_depth == 0 && brace_depth == 0) - ++count; - break; - case '"': { - ++index; // skip opening " - int escaped = 0; - for (; ; ++index) { - mark[index] = 2; - switch (text[index]) { - case '\0': return 0; // bad no closing quote - case '\\': escaped = !escaped; break; - case '"': - if (!escaped) - goto done; - escaped = false; - break; - default: - escaped = false; - break; - } - } - done:; - } break; - } - } -} - -static bool json_parse_object(JSON *json, u32 *p_index, JSONObject *object) { - u32 index = *p_index; - const char *text = json->text; - ++index; // go past { - u32 count = json_count(json, index); - printf("%u\n",count); - exit(0); - object->len = count; - object->items = arr_len(json->values); - arr_set_len(json->values, arr_len(json->values) + 2 * count); - - - for (u32 i = 0; i < count; ++i) { - if (i > 0) { - if (text[index] != ',') { - strbuf_printf(json->error, "stuff after value in object"); - return false; - } - ++index; - } - JSONValue name = {0}, value = {0}; - if (!json_parse_value(json, &index, &name)) - return false; - while (isspace(text[index])) ++index; - if (text[index] != ':') { - strbuf_printf(json->error, "stuff after name in object"); - return false; - } - while (isspace(text[index])) ++index; - if (!json_parse_value(json, &index, &value)) - return false; - while (isspace(text[index])) ++index; - json->values[object->items + i] = name; - json->values[object->items + count + i] = value; - } - - if (text[index] != '}') { - strbuf_printf(json->error, "mismatched brackets or quotes."); - return false; - } - ++index; // skip } - *p_index = index; - return true; -} - -static bool json_parse_array(JSON *json, u32 *p_index, JSONArray *array) { - (void)json;(void)p_index;(void)array; - abort(); -} - -static bool json_parse_string(JSON *json, u32 *p_index, JSONString *string) { - (void)json;(void)p_index;(void)string; - abort(); -} - -static bool json_parse_number(JSON *json, u32 *p_index, double *number) { - (void)json;(void)p_index;(void)number; - abort(); -} - -static bool json_parse_value(JSON *json, u32 *p_index, JSONValue *val) { - const char *text = json->text; - u32 index = *p_index; - while (isspace(text[index])) ++index; - switch (text[index]) { - case '{': - val->type = JSON_OBJECT; - if (!json_parse_object(json, &index, &val->val.object)) - return false; - break; - case '[': - val->type = JSON_ARRAY; - if (!json_parse_array(json, &index, &val->val.array)) - return false; - break; - case '"': - val->type = JSON_STRING; - if (!json_parse_string(json, &index, &val->val.string)) - return false; - break; - case ANY_DIGIT: - val->type = JSON_NUMBER; - if (!json_parse_number(json, &index, &val->val.number)) - return false; - break; - case 'f': - val->type = JSON_FALSE; - if (!str_has_prefix(&text[index], "false")) - return false; - index += 5; - break; - case 't': - val->type = JSON_TRUE; - if (!str_has_prefix(&text[index], "true")) - return false; - index += 4; - break; - case 'n': - val->type = JSON_NULL; - if (!str_has_prefix(&text[index], "null")) - return false; - index += 4; - break; - default: - strbuf_printf(json->error, "bad value"); - } - *p_index = index; - return true; -} - -// NOTE: text must live as long as json!!! -static bool json_parse(JSON *json, const char *text) { - memset(json, 0, sizeof *json); - json->text = text; - // @TODO: is this a good capacity? - arr_reserve(json->values, strlen(text) / 8); - arr_addp(json->values); // add root - JSONValue val = {0}; - u32 index = 0; - if (!json_parse_value(json, &index, &val)) - return false; - - while (isspace(text[index])) ++index; - if (text[index]) { - strbuf_printf(json->error, "extra text after end of root object"); - return false; - } - json->values[0] = val; - return true; -} - - -static void json_debug_print_value(const JSON *json, u32 idx) { - JSONValue *value = &json->values[idx]; - switch (value->type) { - case JSON_NULL: printf("null"); break; - case JSON_FALSE: printf("false"); break; - case JSON_TRUE: printf("true"); break; - case JSON_NUMBER: printf("%f", value->val.number); break; - case JSON_STRING: { - JSONString *string = &value->val.string; - printf("\"%.*s\"", - (int)string->len, - json->text + string->pos); - } break; - case JSON_ARRAY: { - JSONArray *array = &value->val.array; - printf("["); - for (u32 i = 0; i < array->len; ++i) { - json_debug_print_value(json, array->elements + i); - printf(","); - } - printf("]"); - } break; - case JSON_OBJECT: { - JSONObject *obj = &value->val.object; - printf("{"); - for (u32 i = 0; i < obj->len; ++i) { - json_debug_print_value(json, obj->items + i); - printf(": "); - json_debug_print_value(json, obj->items + obj->len + i); - printf(","); - } - printf("}"); - } break; - } -} - -static void json_debug_print(const JSON *json) { - json_debug_print_value(json, 0); -} static void send_request(LSP *lsp, const char *content) { char header[128]; @@ -336,6 +38,6 @@ void lsp_create(LSP *lsp, const char *analyzer_command) { printf("%s\n",rnrn+4); if (!json_parse(&json, rnrn + 4)) printf("fail : %s\n",json.error); - json_debug_print(&json); +// json_debug_print(&json);printf("\n"); } |