graphql_client_codegen: update to graphql-parser 0.3

Author: mathstuf

graphql_client_codegen/Cargo.toml

@@ -9,7 +9,7 @@ edition = "2018"
 
 [dependencies]
 graphql-introspection-query = { version = "0.2.0", path = "../graphql-introspection-query" }
-graphql-parser = "^0.2"
+graphql-parser = "0.3"
 heck = "0.3"
 lazy_static = "1.3"
 proc-macro2 = { version = "^1.0", features = [] }

graphql_client_codegen/src/lib.rs

@@ -63,14 +63,15 @@ pub fn generate_module_token_stream(
         .extension()
         .and_then(std::ffi::OsStr::to_str)
         .unwrap_or("INVALID");
+    let schema_string;
 
     // Check the schema cache.
     let schema: schema::Schema = {
         let mut lock = SCHEMA_CACHE.lock().expect("schema cache is poisoned");
         match lock.entry(schema_path.to_path_buf()) {
             hash_map::Entry::Occupied(o) => o.get().clone(),
             hash_map::Entry::Vacant(v) => {
-                let schema_string = read_file(v.key())?;
+                schema_string = read_file(v.key())?;
                 let schema = match schema_extension {
                     "graphql" | "gql" => {
                         let s = graphql_parser::schema::parse_schema(&schema_string).map_err(|parser_error| GeneralError(format!("Parser error: {}", parser_error)))?;