import ppci
from . import Parser, Semantics, TypeChecker, Analyzer, CodeGenerator, AstPrinter

class Builder:
   def __init__(self, diag):
      self.diag = diag
      self.sema = Semantics(diag)
      self.p = Parser(self.sema, diag)
      self.tc = TypeChecker(diag)
      self.al = Analyzer(diag)
      self.cg = CodeGenerator()
      self.ap = AstPrinter()
   def build(self, src):
      # Store src for later:
      self.src = src
      print('[0] source:')
      print(src)
      print('[1] parsing')
      self.p.parseSource(src)
      ok = len(self.diag.diags) == 0
      if not ok:
         return
      pkg = self.sema.mod
      self.pkg = pkg
      self.al.analyzePackage(pkg)
      self.tc.checkPackage(pkg)
      print('{0} errors'.format(len(self.diag.diags)))

      for d in self.diag.diags:
         print('ERROR:')
         ppci.printError(src, d)
      print('[2] ast:')
      self.ap.printAst(pkg)

      #printAst(sema.mod)

      ok = len(self.diag.diags) == 0
      if ok:
         print('Generating ir-code')
         i = cg.gencode(pkg)
         return i