nitj: introduce compiler to Java code

[nit.git] / src / nitj.nit

diff --git a/src/nitj.nit b/src/nitj.nit
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+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Compile Nit into Java code runnable on the Java Virtual Machine.
+module nitj
+
+import compiler::java_compiler
+
+# Create a tool context to handle options and paths
+var toolcontext = new ToolContext
+toolcontext.process_options(args)
+
+# We need a model to collect stufs
+var model = new Model
+# And a model builder to parse files
+var modelbuilder = new ModelBuilder(model, toolcontext)
+
+# Collect arguments
+var arguments = toolcontext.option_context.rest
+if arguments.is_empty then
+       toolcontext.option_context.usage
+       return
+end
+if arguments.length > 1 then
+       print "Too much arguments: {arguments.join(" ")}"
+       toolcontext.option_context.usage
+       return
+end
+var progname = arguments.first
+
+# Here we load an process all modules passed on the command line
+var mmodules = modelbuilder.parse([progname])
+
+if mmodules.is_empty then return
+modelbuilder.run_phases
+
+var mainmodule
+if mmodules.length == 1 then
+       mainmodule = mmodules.first
+else
+       mainmodule = new MModule(model, null, mmodules.first.name, mmodules.first.location)
+       mainmodule.set_imported_mmodules(mmodules)
+end
+
+var analysis = modelbuilder.do_rapid_type_analysis(mainmodule)
+
+# Do compilation
+modelbuilder.run_java_compiler(mainmodule, analysis)