+# 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.
+
+# Generator of Nit modules to wrap Objective-C services
module objcwrapper
+import nitcc_runtime
+import opts
+
import objc_visitor
import objc_model
import objc_generator
-
-import nitcc_runtime
import objc_lexer
import objc_parser
+import preprocessing
+
+var opt_help = new OptionBool("Show this help message", "-h", "--help")
+
+var opts = new OptionContext
+opts.add_option(opt_help, opt_output, opt_init_as_methods, opt_gcc_options)
+opts.parse args
+
+if opts.errors.not_empty or opts.rest.is_empty or opt_help.value then
+ if opts.errors.not_empty then print_error opts.errors.join("\n")
-var v = new Interpretor
-var g = new CodeGenerator
+ print_error """
+Usage: objcwrapper [options] input_file [other_input_file [...]]
+Options:"""
+ opts.usage
-for arg in args do
- var file = new FileReader.open(arg)
- var lexer = new Lexer_objc(file.read_all)
+ if opt_help.value then exit 0
+ exit 1
+end
+
+var v = new ObjcVisitor
+
+for src in opts.rest do
+ # Read input
+ var content = src.preprocess_content
+
+ # Parse
+ var lexer = new Lexer_objc(content)
var parser = new Parser_objc
var tokens = lexer.lex
parser.tokens.add_all(tokens)
- v.enter_visit(parser.parse)
- file.close
+ var root = parser.parse
+
+ # Check for errors
+ if root isa NError then
+ var pos = root.position
+ print_error "Syntax Error: {root.message}, at {pos or else ""}"
+ print_error "in {src}"
+ if pos != null then
+ var lines = content.split("\n")
+ for line in [pos.line_start..pos.line_end] do
+ print_error lines[line-1]
+ end
+
+ var ptr = " "*(pos.col_start-1).max(0) + "^"*(pos.col_end-pos.col_start)
+ print_error ptr
+ end
+ continue
+ end
+
+ # Run analysis
+ v.enter_visit root
end
-g.generator v.model.classes
+var g = new CodeGenerator(v.model)
+g.generate