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

class Builder:
    """ 
        Generates IR-code from c3 source.
        Reports errors to the diagnostics system
    """
    def __init__(self, diag):
        self.diag = diag
        self.parser = Parser(diag)
        self.tc = TypeChecker(diag)
        self.al = Analyzer(diag)
        self.cg = CodeGenerator()
    def build(self, src):
        """ Create IR-code from sources """
        pkg = self.parser.parseSource(src)
        if not pkg:
            return
        self.pkg = pkg
        # TODO: merge the two below?
        #AstPrinter().printAst(pkg)
        if not self.al.analyzePackage(pkg):
            return
        if not self.tc.checkPackage(pkg):
            return

        # Only return ircode when everything is OK
        return self.cg.gencode(pkg)