Remove iwasm/runtime/platform src files, refine interpreter and fix issue of --repl option (#150)

core/iwasm/lib/native/libc/libc_builtin_wrapper.c

@@ -1245,7 +1245,9 @@ wasm_native_func_lookup(const char *module_name, const char *func_name)
     uint32 size = sizeof(native_func_defs) / sizeof(WASMNativeFuncDef);
     WASMNativeFuncDef *func_def = native_func_defs;
     WASMNativeFuncDef *func_def_end = func_def + size;
+#if WASM_ENABLE_WASI != 0
     void *ret;
+#endif
 
     if (!module_name || !func_name)
         return NULL;
@@ -1259,9 +1261,6 @@ wasm_native_func_lookup(const char *module_name, const char *func_name)
         func_def++;
     }
 
-    if ((ret = wasm_platform_native_func_lookup(module_name, func_name)))
-        return ret;
-
 #if WASM_ENABLE_WASI != 0
     if ((ret = wasi_native_func_lookup(module_name, func_name)))
         return ret;

core/iwasm/lib/native/libc/wasmtime-wasi-c/sandboxed-system-primitives/src/locking.h

@@ -12,7 +12,7 @@
 #ifndef LOCKING_H
 #define LOCKING_H
 
-#include "config.h"
+#include "ssp_config.h"
 
 #include <assert.h>
 #include <errno.h>

core/iwasm/lib/native/libc/wasmtime-wasi-c/sandboxed-system-primitives/src/posix.c

@@ -9,7 +9,7 @@
 //
 // Copyright (c) 2016-2018 Nuxi, https://nuxi.nl/
 
-#include "config.h"
+#include "ssp_config.h"
 
 #include <sys/types.h>
 

core/iwasm/lib/native/libc/wasmtime-wasi-c/sandboxed-system-primitives/src/random.c

@@ -9,7 +9,7 @@
 //
 // Copyright (c) 2016 Nuxi, https://nuxi.nl/
 
-#include "config.h"
+#include "ssp_config.h"
 
 #include <fcntl.h>
 #include <pthread.h>

core/iwasm/lib/native/libc/wasmtime-wasi-c/sandboxed-system-primitives/src/ssp_config.h

@@ -9,8 +9,8 @@
 //
 // Copyright (c) 2016 Nuxi, https://nuxi.nl/
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#ifndef SSP_CONFIG_H
+#define SSP_CONFIG_H
 
 #include <stdlib.h>
 

core/iwasm/lib/native/libc/wasmtime-wasi-c/sandboxed-system-primitives/src/str.c

@@ -9,7 +9,7 @@
 //
 // Copyright (c) 2016 Nuxi, https://nuxi.nl/
 
-#include "config.h"
+#include "ssp_config.h"
 
 #include <errno.h>
 #include <stdlib.h>

core/iwasm/lib/native/libc/wasmtime-wasi-c/sandboxed-system-primitives/src/str.h

@@ -12,7 +12,7 @@
 #ifndef STR_H
 #define STR_H
 
-#include "config.h"
+#include "ssp_config.h"
 
 char *str_nullterminate(const char *, size_t);