summaryrefslogtreecommitdiff
path: root/lsp.c
diff options
context:
space:
mode:
Diffstat (limited to 'lsp.c')
-rw-r--r--lsp.c300
1 files changed, 1 insertions, 299 deletions
diff --git a/lsp.c b/lsp.c
index 5847642..1b6d214 100644
--- a/lsp.c
+++ b/lsp.c
@@ -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");
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 04:53:14 +0000