Working on #21 : Created classes

src/parsers/SyaConceptsParser.py

@@ -0,0 +1,42 @@
+from parsers.state_machine import End, ManageUnrecognized, PrepareReadTokens, ReadConcept, ReadTokens, Start, \
+    StateMachine, StateMachineContext
+from parsers.tokenizer import Token
+
+
+class SyaConceptsParser:
+    """"
+    This class is to parse concepts with parameter
+    ex : def concept a plus b as a + b
+    It parses a sequence of concepts
+    """
+
+    def __init__(self):
+        tokens_wkf = {
+            Start("start", next_states=["prepare read tokens"]),
+            PrepareReadTokens("prepare read tokens", next_states=["read tokens"]),
+            ReadTokens("read tokens", next_states=["read tokens", "eof", "concepts found"]),
+            ManageUnrecognized("eof", next_states=["end"]),
+            ManageUnrecognized("concepts found", next_states=["#concept_wkf"]),
+            End("end", next_states=None)
+        }
+
+        concept_wkf = {
+            Start("start", next_states=["read concept"]),
+            ReadConcept("read concept", next_states=["#tokens_wkf"]),
+        }
+
+        self.workflows = {
+            "#tokens_wkf": {t.name: t for t in tokens_wkf},
+            "#concept_wkf": {t.name: t for t in concept_wkf},
+        }
+        self.error_sink = []
+
+    @staticmethod
+    def get_metadata_from_first_token(context, token: Token):
+        pass
+
+    def parse(self, context, parser_input):
+        sm = StateMachine(self.workflows)
+        sm_context = StateMachineContext(context, parser_input, self.get_metadata_from_first_token)
+        sm.run("#tokens_wkf", "start", sm_context)
+        pass