Merge pull request #125 from AntelopeIO/mikelik/singleton_fix

Fix getting wrong name of the table for singleton

tests/toolchain/abigen-pass/singleton_contract.abi

@@ -0,0 +1,45 @@
+{
+    "____comment": "This file was generated with eosio-abigen. DO NOT EDIT ",
+    "version": "eosio::abi/1.2",
+    "types": [],
+    "structs": [
+        {
+            "name": "tbl_config",
+            "base": "",
+            "fields": [
+                {
+                    "name": "y",
+                    "type": "uint64"
+                },
+                {
+                    "name": "x",
+                    "type": "uint64"
+                }
+            ]
+        },
+        {
+            "name": "whatever",
+            "base": "",
+            "fields": []
+        }
+    ],
+    "actions": [
+        {
+            "name": "whatever",
+            "type": "whatever",
+            "ricardian_contract": ""
+        }
+    ],
+    "tables": [
+        {
+            "name": "config",
+            "type": "tbl_config",
+            "index_type": "i64",
+            "key_names": [],
+            "key_types": []
+        }
+    ],
+    "ricardian_clauses": [],
+    "variants": [],
+    "action_results": []
+}

tests/toolchain/abigen-pass/singleton_contract.cpp

@@ -0,0 +1,21 @@
+#include <eosio/asset.hpp>
+#include <eosio/eosio.hpp>
+#include <eosio/name.hpp>
+#include <eosio/singleton.hpp>
+
+using namespace eosio;
+
+class [[eosio::contract("singleton_contract")]] singleton_contract : public contract {
+    public:
+        using contract::contract;
+
+    [[eosio::action]]
+        void whatever() {};
+
+    struct [[eosio::table]] tbl_config {
+        uint64_t y;
+        uint64_t x;
+    };
+
+    typedef eosio::singleton<"config"_n, tbl_config> config;
+};

tests/toolchain/abigen-pass/singleton_contract.json

@@ -0,0 +1,10 @@
+{
+    "tests" : [
+       {
+          "expected" : {
+             "abi-file" : "singleton_contract.abi"
+          }
+       }
+    ]
+ }
+

tools/include/eosio/abigen.hpp

@@ -802,7 +802,7 @@ namespace eosio { namespace cdt {
          }
          virtual bool VisitDecl(clang::Decl* decl) {
             if (const auto* d = dyn_cast<clang::ClassTemplateSpecializationDecl>(decl)) {
-               if (d->getName() == "multi_index") {
+               if (d->getName() == "multi_index" || d->getName() == "singleton") {
                   ag.add_table(d->getTemplateArgs()[0].getAsIntegral().getExtValue(),
                         (clang::CXXRecordDecl*)((clang::RecordType*)d->getTemplateArgs()[1].getAsType().getTypePtr())->getDecl());
                }