From 4f088365e49d28e0d413d42eb024c3ff6cbfee35 Mon Sep 17 00:00:00 2001 From: Xavier Claessens Date: Wed, 18 Jul 2018 09:57:34 -0400 Subject: interpreter: Add support for dict addition --- mesonbuild/interpreterbase.py | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'mesonbuild/interpreterbase.py') diff --git a/mesonbuild/interpreterbase.py b/mesonbuild/interpreterbase.py index fd732bc..1c74eeb 100644 --- a/mesonbuild/interpreterbase.py +++ b/mesonbuild/interpreterbase.py @@ -573,6 +573,8 @@ The result of this is undefined and will become a hard error in a future Meson r return r if cur.operation == 'add': + if isinstance(l, dict) and isinstance(r, dict): + return {**l, **r} try: return l + r except Exception as e: @@ -651,14 +653,18 @@ The result of this is undefined and will become a hard error in a future Meson r if not isinstance(addition, int): raise InvalidArguments('The += operator requires an int on the right hand side if the variable on the left is an int') new_value = old_variable + addition - elif not isinstance(old_variable, list): - raise InvalidArguments('The += operator currently only works with arrays, strings or ints ') - # Add other data types here. - else: + elif isinstance(old_variable, list): if isinstance(addition, list): new_value = old_variable + addition else: new_value = old_variable + [addition] + elif isinstance(old_variable, dict): + if not isinstance(addition, dict): + raise InvalidArguments('The += operator requires a dict on the right hand side if the variable on the left is a dict') + new_value = {**old_variable, **addition} + # Add other data types here. + else: + raise InvalidArguments('The += operator currently only works with arrays, dicts, strings or ints ') self.set_variable(varname, new_value) def evaluate_indexing(self, node): -- cgit v1.1