Added SyaNodeParser (finally, after one month)

src/core/sheerka/ExecutionContext.py

@@ -43,6 +43,7 @@ class ExecutionContext:
                  desc: str = None,
                  logger=None,
                  global_hints=None,
+                 global_errors=None,
                  **kwargs):
 
         self._parent = None
@@ -61,6 +62,7 @@ class ExecutionContext:
         self.logger = logger
         self.local_hints = set()
         self.global_hints = set() if global_hints is None else global_hints
+        self.global_errors = [] if global_errors is None else global_errors
 
         self.inputs = {}  # what was the parameters of the execution context
         self.values = {}  # what was produced by the execution context
@@ -146,8 +148,8 @@ class ExecutionContext:
             preprocess.set_prop(k, v)
 
         if not self.preprocess:
-            self.preprocess = set()
-        self.preprocess.add(preprocess)
+            self.preprocess = []
+        self.preprocess.append(preprocess)
         return self
 
     def add_inputs(self, **kwargs):
@@ -212,6 +214,7 @@ class ExecutionContext:
             desc,
             logger,
             self.global_hints,
+            self.global_errors,
             **_kwargs)
         new._parent = self
         new._tab = self._tab + " " * DEBUG_TAB_SIZE
@@ -230,7 +233,8 @@ class ExecutionContext:
         if self.logger and not self.logger.disabled:
             self.logger.debug(f"[{self._id:2}]" + self._tab + (f"[{who}] " if who else "") + str(message))
 
-    def log_error(self, message, who=None):
+    def log_error(self, message, who=None, exc=None):
+        self.global_errors.append(exc or message)
         if self.logger and not self.logger.disabled:
             self.logger.exception(f"[{self._id:2}]" + self._tab + (f"[{who}] " if who else "") + str(message))