vvanders · Dreagonmon · Jul 21, 2020 · Jul 21, 2020 · Jul 21, 2020 · Aug 26, 2020
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,3 @@
 **/*.o
-**/*.a
+**/*.a
+lua-*/**/*.wasm
diff --git a/README.md b/README.md
@@ -17,3 +17,10 @@ Currently test on Firefox 52.0 but probably works on other platforms as well.
 * Extensible debugger hooks for easy on-target debugging.
 
 Thanks to [rawgit](http://rawgit.com/) for hosting.
+
+# Files
+- main.js, main.wasm: auto-generated
+- main.c: export lua C function to javascript
+- index.html: test page and useage example
+- makefile: emcc config (which function to export, init function name, ...etc.)
+- lua-<version>: lua source code without any modify
diff --git a/demolib.c b/demolib.c
@@ -0,0 +1,14 @@
+#include <lauxlib.h>
+/* use emscripten to execute javascript */
+#include "emscripten.h"
+
+EM_JS(void, js_alert, (const char* message), {
+    alert(UTF8ToString(message));
+});
+
+static int lua_alert(lua_State* L) {
+    size_t len = 0;
+    const char * message = lua_tolstring(L, 1, &len);
+    js_alert(message);
+    return 0;
+}
diff --git a/index.html b/index.html
@@ -0,0 +1,63 @@
+<html>
+<meta charset="utf-8">
+
+<head>
+  <script src="main.js"></script>
+  <script>
+    var Module = undefined;
+    var timer;
+    function text_changed() {
+      clearTimeout(timer);
+      input = document.getElementById("edit").value;
+      timer = setTimeout(function () {
+        document.getElementById("result").innerHTML = "";
+        Module.ccall("run_lua", 'number', ['string'], [input]);
+      },
+      750);
+    }
+
+    // init wasm module
+    var ModuleConfig = {
+      print: (function () {
+        return function (text) {
+          if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
+          console.log(text);
+
+          if (text != "emsc")
+            document.getElementById("result").innerHTML += "<br>\n" + text;
+        };
+      })(),
+      printErr: function (text) {
+        if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
+        if (0) { // XXX disabled for safety typeof dump == 'function') {
+          dump(text + '\n'); // fast, straight to the real console
+        } else {
+          console.error(text);
+        }
+      }
+    };
+
+    // initWasmModule function name configured in makefile
+    initWasmModule(ModuleConfig).then((aModule) => {
+      Module = aModule;
+      text_changed();
+    });
+  </script>
+</head>
+
+<body>
+  <div>
+    <textarea id="edit" style="width: 800px; height: 480px;" onkeyup="text_changed();">
+function hello_lua()
+    print "Hello Lua!"
+    print(_VERSION)
+    alert("this alert is from lua")
+end
+
+hello_lua()
+return "this is return value"</textarea>
+    <div id="result" style="width: 800px; float: right"></div>
+  </div>
+</body>
+
+</html>
diff --git a/lua-5.3.4/src/lua b/lua-5.3.4/src/lua
diff --git a/lua-5.3.4/src/luac b/lua-5.3.4/src/luac
diff --git a/lua-5.4.0/Makefile b/lua-5.4.0/Makefile
@@ -0,0 +1,106 @@
+# Makefile for installing Lua
+# See doc/readme.html for installation and customization instructions.
+
+# == CHANGE THE SETTINGS BELOW TO SUIT YOUR ENVIRONMENT =======================
+
+# Your platform. See PLATS for possible values.
+PLAT= guess
+
+# Where to install. The installation starts in the src and doc directories,
+# so take care if INSTALL_TOP is not an absolute path. See the local target.
+# You may want to make INSTALL_LMOD and INSTALL_CMOD consistent with
+# LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h.
+INSTALL_TOP= /usr/local
+INSTALL_BIN= $(INSTALL_TOP)/bin
+INSTALL_INC= $(INSTALL_TOP)/include
+INSTALL_LIB= $(INSTALL_TOP)/lib
+INSTALL_MAN= $(INSTALL_TOP)/man/man1
+INSTALL_LMOD= $(INSTALL_TOP)/share/lua/$V
+INSTALL_CMOD= $(INSTALL_TOP)/lib/lua/$V
+
+# How to install. If your install program does not support "-p", then
+# you may have to run ranlib on the installed liblua.a.
+INSTALL= install -p
+INSTALL_EXEC= $(INSTALL) -m 0755
+INSTALL_DATA= $(INSTALL) -m 0644
+#
+# If you don't have "install" you can use "cp" instead.
+# INSTALL= cp -p
+# INSTALL_EXEC= $(INSTALL)
+# INSTALL_DATA= $(INSTALL)
+
+# Other utilities.
+MKDIR= mkdir -p
+RM= rm -f
+
+# == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
+
+# Convenience platforms targets.
+PLATS= guess aix bsd c89 freebsd generic linux linux-readline macosx mingw posix solaris
+
+# What to install.
+TO_BIN= lua luac
+TO_INC= lua.h luaconf.h lualib.h lauxlib.h lua.hpp
+TO_LIB= liblua.a
+TO_MAN= lua.1 luac.1
+
+# Lua version and release.
+V= 5.4
+R= $V.0
+
+# Targets start here.
+all:	$(PLAT)
+
+$(PLATS) help test clean:
+	@cd src && $(MAKE) $@
+
+install: dummy
+	cd src && $(MKDIR) $(INSTALL_BIN) $(INSTALL_INC) $(INSTALL_LIB) $(INSTALL_MAN) $(INSTALL_LMOD) $(INSTALL_CMOD)
+	cd src && $(INSTALL_EXEC) $(TO_BIN) $(INSTALL_BIN)
+	cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
+	cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
+	cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
+
+uninstall:
+	cd src && cd $(INSTALL_BIN) && $(RM) $(TO_BIN)
+	cd src && cd $(INSTALL_INC) && $(RM) $(TO_INC)
+	cd src && cd $(INSTALL_LIB) && $(RM) $(TO_LIB)
+	cd doc && cd $(INSTALL_MAN) && $(RM) $(TO_MAN)
+
+local:
+	$(MAKE) install INSTALL_TOP=../install
+
+# make may get confused with install/ if it does not support .PHONY.
+dummy:
+
+# Echo config parameters.
+echo:
+	@cd src && $(MAKE) -s echo
+	@echo "PLAT= $(PLAT)"
+	@echo "V= $V"
+	@echo "R= $R"
+	@echo "TO_BIN= $(TO_BIN)"
+	@echo "TO_INC= $(TO_INC)"
+	@echo "TO_LIB= $(TO_LIB)"
+	@echo "TO_MAN= $(TO_MAN)"
+	@echo "INSTALL_TOP= $(INSTALL_TOP)"
+	@echo "INSTALL_BIN= $(INSTALL_BIN)"
+	@echo "INSTALL_INC= $(INSTALL_INC)"
+	@echo "INSTALL_LIB= $(INSTALL_LIB)"
+	@echo "INSTALL_MAN= $(INSTALL_MAN)"
+	@echo "INSTALL_LMOD= $(INSTALL_LMOD)"
+	@echo "INSTALL_CMOD= $(INSTALL_CMOD)"
+	@echo "INSTALL_EXEC= $(INSTALL_EXEC)"
+	@echo "INSTALL_DATA= $(INSTALL_DATA)"
+
+# Echo pkg-config data.
+pc:
+	@echo "version=$R"
+	@echo "prefix=$(INSTALL_TOP)"
+	@echo "libdir=$(INSTALL_LIB)"
+	@echo "includedir=$(INSTALL_INC)"
+
+# Targets that do not create files (not all makes understand .PHONY).
+.PHONY: all $(PLATS) help test clean install uninstall local dummy echo pc
+
+# (end of Makefile)
diff --git a/lua-5.4.0/README b/lua-5.4.0/README
@@ -0,0 +1,6 @@
+
+This is Lua 5.4.0, released on 18 Jun 2020.
+
+For installation instructions, license details, and
+further information about Lua, see doc/readme.html.
+