lcfOS: python/codegen.py comparison

Added missing file

comparison

equal deleted inserted replaced

-:07bfea4c1ed7
+:67b0feafe5ae
+import ir, target
+from ppci import CompilerError
+class CodeGenerator:
+""" Target independent code generator """
+def __init__(self, tg):
+assert isinstance(tg, target.Target)
+self.tg = tg
+def tryMap(self, ii):
+for mi in self.tg.instructions:
+if mi.irpattern is ii:
+return mi.FromIr(ii)
+raise CompilerError('Cannot map {0}'.format(ii))
+def generate(self, ircode):
+assert isinstance(ircode, ir.Module)
+obj = object()
+for gvar in ircode.Variables:
+print(gvar)
+print('TODO')
+for f in ircode.Functions:
+for bb in f.BasicBlocks:
+print(bb)
+for ins in bb.Instructions:
+# Instruction selection:
+print(ins)
+#mi = self.tryMap(ins)
+return obj

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