def _test_compile_source(self, source, expected_value, *, show_source=False, show_ptree=False,
show_ast=False, show_compiled=False, show_value=False):
if show_source:
print("The Source:")
print(source)
compiler = Compiler(source)
if show_ptree:
print()
print("The Parse Tree:")
pprint_pt(compiler.parse_tree)
if show_ast:
print()
print("The Abstract Syntax Tree (AST):")
pprint_ast(compiler.abstract_syntax_tree)
program = compiler.compile()
_, ptype, assns, rstmt = program
if show_compiled:
print()
print("The Compiled Code ({0}):".format(ptype))
for line in assns:
print(line)
print(rstmt)
value = Interpreter().execute(program)
if show_value:
print()
print("Value:")
print(value)
self.assertEqual(value, expected_value)
def interpret(self, source):
"""Compile and execute source code.
source is pxp source text.
"""
# Give the compiler all the non-global_scope scopes.
compiler = Compiler(source, self.scope.scopes[1:])
program = compiler.compile()
return self.execute(program)
