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authorpommicket <pommicket@gmail.com>2022-12-05 12:40:13 -0500
committerpommicket <pommicket@gmail.com>2022-12-05 12:40:13 -0500
commit074df673a792ce92a972095803f18749b8d92ea3 (patch)
tree2ba7feaa377f5aca57b576e91222435a067829cc /lsp.c
parent4dc976bc793af39ebad715ef669b335657926f65 (diff)
more lsp, start json parser
Diffstat (limited to 'lsp.c')
-rw-r--r--lsp.c111
1 files changed, 110 insertions, 1 deletions
diff --git a/lsp.c b/lsp.c
index 2c94dfa..c35b691 100644
--- a/lsp.c
+++ b/lsp.c
@@ -2,7 +2,105 @@ typedef struct {
Process process;
} LSP;
-static void send_message(LSP *lsp, const char *content, size_t content_size) {
+typedef struct {
+ u32 pos;
+ u32 len;
+} JSONString;
+
+typedef struct JSONValue JSONValue;
+
+typedef struct {
+ u32 len;
+ u32 properties;
+ u32 values;
+} JSONObject;
+
+typedef struct {
+ u32 len;
+ u32 values;
+} 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 {
+ const char *text;
+ // root = values[0]
+ JSONValue *values;
+} JSON;
+
+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;
+ json_parse_object(json, &index, &val->val.object);
+ break;
+ case '[':
+ val->type = JSON_ARRAY;
+ json_parse_array(json, &index, &val->val.array);
+ break;
+ case '"':
+ val->type = JSON_STRING;
+ json_parse_string(json, &index, &val->val.string);
+ break;
+ case ANY_DIGIT:
+ json_parse_number(json, &index, &val->val.number);
+ break;
+ case 'f':
+ if (!str_is_prefix(&text[index], "false", 5) != 0) {
+
+ }
+ }
+}
+
+// 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]) {
+ // more text after end of object
+ // @TODO error message
+ return false;
+ }
+ json->values[0] = val;
+}
+
+static void send_message(LSP *lsp, const char *content) {
+ char header[128];
+ size_t content_size = strlen(content);
+ strbuf_printf(header, "Content-Length: %zu\r\n\r\n", content_size);
+ process_write(&lsp->process, header, strlen(header));
+ process_write(&lsp->process, content, content_size);
}
void lsp_create(LSP *lsp, const char *analyzer_command) {
@@ -11,4 +109,15 @@ void lsp_create(LSP *lsp, const char *analyzer_command) {
.stdout_blocking = true
};
process_run_ex(&lsp->process, analyzer_command, &settings);
+ char init_request[1024];
+ strbuf_printf(init_request,
+ "{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"initialize\",\"params\":{"
+ "\"processId\":%d,"
+ "\"capabilities\":{}"
+ "}}",
+ process_get_id());
+ send_message(lsp, init_request);
+ char init_response[4096] = {0};
+ process_read(&lsp->process, init_response, sizeof init_response);
+ printf("%s\n",init_response);
}