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-rw-r--r--interpreter.py16
1 files changed, 15 insertions, 1 deletions
diff --git a/interpreter.py b/interpreter.py
index cd4788f..3443058 100644
--- a/interpreter.py
+++ b/interpreter.py
@@ -1056,6 +1056,8 @@ class Interpreter():
return self.evaluate_foreach(cur)
elif isinstance(cur, mparser.PlusAssignmentNode):
return self.evaluate_plusassign(cur)
+ elif isinstance(cur, mparser.IndexNode):
+ return self.evaluate_indexing(cur)
elif self.is_elementary_type(cur):
return cur
else:
@@ -1465,7 +1467,7 @@ class Interpreter():
if not isinstance(cmd_args, list):
cmd_args = [cmd_args]
for i in cmd_args:
- if not isinstance(i, str):
+ if not isinstance(i, (str, mesonlib.File)):
raise InterpreterException('Command line arguments must be strings')
envlist = kwargs.get('env', [])
if not isinstance(envlist, list):
@@ -1903,6 +1905,18 @@ class Interpreter():
new_value = old_variable + [addition]
self.set_variable(varname, new_value)
+ def evaluate_indexing(self, node):
+ assert(isinstance(node, mparser.IndexNode))
+ iobject = self.evaluate_statement(node.iobject)
+ if not isinstance(iobject, list):
+ raise InterpreterException('Tried to index a non-array object.')
+ index = self.evaluate_statement(node.index)
+ if not isinstance(index, int):
+ raise InterpreterException('Index value is not an integer.')
+ if index < -len(iobject) or index >= len(iobject):
+ raise InterpreterException('Index %d out of bounds of array of size %d.' % (index, len(iobject)))
+ return iobject[index]
+
def is_elementary_type(self, v):
if isinstance(v, (int, float, str, bool, list)):
return True