start defining gcc types

include/ravi_gccjit.h

@@ -144,69 +144,69 @@ struct ravi_gcc_types_t {
   gcc_jit_struct *GCObjectT;
   gcc_jit_type *pGCObjectT;
 
-  gcc_jit_struct *ValueT;
+  gcc_jit_type *ValueT;
   gcc_jit_type *TValueT;
   gcc_jit_type *pTValueT;
 
-  gcc_jit_type *HiLoT;
+  gcc_jit_struct *HiLoT;
   gcc_jit_type *pHiLoT;
 
-  gcc_jit_type *TStringT;
+  gcc_jit_struct *TStringT;
   gcc_jit_type *pTStringT;
   gcc_jit_type *ppTStringT;
 
-  gcc_jit_type *UdataT;
-  gcc_jit_type *RaviArrayT;
-  gcc_jit_type *TableT;
+  gcc_jit_struct *UdataT;
+  gcc_jit_struct *RaviArrayT;
+  gcc_jit_struct *TableT;
   gcc_jit_type *pTableT;
   gcc_jit_type *ppTableT;
 
-  gcc_jit_type *UpvaldescT;
+  gcc_jit_struct *UpvaldescT;
   gcc_jit_type *pUpvaldescT;
 
-  gcc_jit_type *ravitype_tT;
-  gcc_jit_type *LocVarT;
+  gcc_jit_struct *ravitype_tT;
+  gcc_jit_struct *LocVarT;
   gcc_jit_type *pLocVarT;
 
   gcc_jit_type *InstructionT;
   gcc_jit_type *pInstructionT;
-  gcc_jit_type *LClosureT;
+  gcc_jit_struct *LClosureT;
   gcc_jit_type *pLClosureT;
   gcc_jit_type *ppLClosureT;
   gcc_jit_type *pppLClosureT;
 
-  gcc_jit_type *RaviJITProtoT;
+  gcc_jit_struct *RaviJITProtoT;
 
-  gcc_jit_type *ProtoT;
+  gcc_jit_struct *ProtoT;
   gcc_jit_type *pProtoT;
   gcc_jit_type *ppProtoT;
 
-  gcc_jit_type *UpValT;
+  gcc_jit_struct *UpValT;
   gcc_jit_type *pUpValT;
 
-  gcc_jit_type *CClosureT;
+  gcc_jit_struct *CClosureT;
   gcc_jit_type *pCClosureT;
 
-  gcc_jit_type *TKeyT;
+  gcc_jit_struct *TKeyT;
   gcc_jit_type *pTKeyT;
 
-  gcc_jit_type *NodeT;
+  gcc_jit_struct *NodeT;
   gcc_jit_type *pNodeT;
 
   gcc_jit_type *lua_DebugT;
   gcc_jit_type *plua_DebugT;
 
-  gcc_jit_type *lua_longjumpT;
+  gcc_jit_struct *lua_longjumpT;
   gcc_jit_type *plua_longjumpT;
 
-  gcc_jit_type *MbufferT;
+  gcc_jit_struct *MbufferT;
   gcc_jit_type *stringtableT;
 
   gcc_jit_type *StkIdT;
 
-  gcc_jit_type *CallInfoT;
-  gcc_jit_type *CallInfo_cT;
-  gcc_jit_type *CallInfo_lT;
+  gcc_jit_struct *CallInfoT;
+  gcc_jit_struct *CallInfo_cT;
+  gcc_jit_struct *CallInfo_lT;
   gcc_jit_type *pCallInfoT;
 
   gcc_jit_function *jitFunctionT;

readthedocs/ravi-jit-libgccjit.rst

@@ -31,12 +31,12 @@ I built gcc 5.1 from source as follows.
 3. Installed various pre-requisites for gcc.
 4. Then ran following from inside the build folder::
 
-   ../gcc-5.1.0/configure --prefix=~/local --enable-host-shared --enable-languages=jit,c++ --disable-bootstrap --disable-multilib
+     ../gcc-5.1.0/configure --prefix=~/local --enable-host-shared --enable-languages=jit,c++ --disable-bootstrap --disable-multilib
 
 5. Next performed the build as follows::
 
-   make
-   make install
+     make
+     make install
 
 Current Status
 --------------

src/ravi_gccjit.c

@@ -180,6 +180,21 @@ bool ravi_setup_lua_types(ravi_gcc_context_t *ravi) {
   fields[2] = gcc_jit_context_new_field(ravi->context, NULL, t->lu_byteT, "marked");
   gcc_jit_struct_set_fields(t->GCObjectT, NULL, 3, fields);
 
+  // union Value {
+  //   GCObject *gc;    /* collectable objects */
+  //   void *p;         /* light userdata */
+  //   int b;           /* booleans */
+  //   lua_CFunction f; /* light C functions */
+  //   lua_Integer i;   /* integer numbers */
+  //   lua_Number n;    /* float numbers */
+  // };
+  fields[0] = gcc_jit_context_new_field(ravi->context, NULL, t->pGCObjectT, "gc");
+  fields[1] = gcc_jit_context_new_field(ravi->context, NULL, t->C_pvoidT, "p");
+  fields[2] = gcc_jit_context_new_field(ravi->context, NULL, t->C_intT, "b");
+  fields[3] = gcc_jit_context_new_field(ravi->context, NULL, t->plua_CFunctionT, "f");
+  fields[4] = gcc_jit_context_new_field(ravi->context, NULL, t->lua_IntegerT, "i");
+  fields[5] = gcc_jit_context_new_field(ravi->context, NULL, t->lua_NumberT, "n");
+  t->ValueT = gcc_jit_context_new_union_type(ravi->context, NULL, "ravi_Value", 6, fields);
 
   gcc_jit_context_dump_to_file(ravi->context, "dump.txt", 0);
   return false;