diff options
Diffstat (limited to 'grc/python/expr_utils.py')
| -rw-r--r-- | grc/python/expr_utils.py | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/grc/python/expr_utils.py b/grc/python/expr_utils.py index 85f420f04c..9e0b2a4a0a 100644 --- a/grc/python/expr_utils.py +++ b/grc/python/expr_utils.py @@ -54,10 +54,10 @@ def expr_split(expr): Split up an expression by non alphanumeric characters, including underscore. Leave strings in-tact. #TODO ignore escaped quotes, use raw strings. - + Args: expr: an expression string - + Returns: a list of string tokens that form expr """ @@ -82,11 +82,11 @@ def expr_split(expr): def expr_replace(expr, replace_dict): """ Search for vars in the expression and add the prepend. - + Args: expr: an expression string replace_dict: a dict of find:replace - + Returns: a new expression with the prepend """ @@ -99,11 +99,11 @@ def expr_replace(expr, replace_dict): def get_variable_dependencies(expr, vars): """ Return a set of variables used in this expression. - + Args: expr: an expression string vars: a list of variable names - + Returns: a subset of vars used in the expression """ @@ -113,10 +113,10 @@ def get_variable_dependencies(expr, vars): def get_graph(exprs): """ Get a graph representing the variable dependencies - + Args: exprs: a mapping of variable name to expression - + Returns: a graph of variable deps """ @@ -132,10 +132,10 @@ def get_graph(exprs): def sort_variables(exprs): """ Get a list of variables in order of dependencies. - + Args: exprs: a mapping of variable name to expression - + Returns: a list of variable names @throws Exception circular dependencies @@ -156,12 +156,12 @@ def sort_variables(exprs): def sort_objects(objects, get_id, get_expr): """ Sort a list of objects according to their expressions. - + Args: objects: the list of objects to sort get_id: the function to extract an id from the object get_expr: the function to extract an expression from the object - + Returns: a list of sorted objects """ |