pep8analysis: intro a variant main program for a web interface

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/contrib/pep8analysis/src/pep8analysis_web.nit b/contrib/pep8analysis/src/pep8analysis_web.nit
new file mode 100644 (file)
index 0000000..bb314f1
--- /dev/null
+++ b/contrib/pep8analysis/src/pep8analysis_web.nit
@@ -0,0 +1,67 @@
+module pep8analysis_web
+
+import emscripten
+
+import backbone
+import ast
+import model
+import cfg
+import flow_analysis
+
+redef class AnalysisManager
+
+       fun run(src: String)
+       do
+               var stream = new StringIStream(src)
+               var ast = build_ast("web", stream)
+               assert ast != null
+
+               if failed then exit 1
+
+               # Build program model
+               var model = build_model(ast)
+               if failed then exit 1
+
+               if model.lines.is_empty then
+                       fatal_error( ast, "This programs appears empty" )
+                       exit 1
+               end
+
+               # Create CFG
+               var cfg = build_cfg(model)
+               if failed then exit 1
+
+               # Run analyses
+
+               ## Reaching defs
+               do_reaching_defs_analysis(cfg)
+
+               ## Range
+               do_range_analysis(ast, cfg)
+
+               ## Types
+               do_types_analysis(ast, cfg)
+
+               print_notes
+               if notes.is_empty then print "Success: Nothing wrong detected"
+
+               # Ready next
+               reset
+               clear
+       end
+end
+
+class StringIStream
+       super BufferedIStream
+
+       init(str: String) do _buffer = new FlatBuffer.from(str)
+
+       redef fun fill_buffer do end_reached = true
+       redef var end_reached: Bool = false
+end
+
+redef class Object
+       redef fun manager do return once new AnalysisManager
+end
+
+manager.run args.first