def parse_literal(tok):
"""Given a token, parse its string value and return the denotated
Gobstones value.
"""
if tok.type == 'symbol':
val = tok.value
else:
val = gbs_builtins.parse_constant(tok.value)
#assert val is not None
if val is None:
val = tok.value
return val
def compile_and(self, tree, code):
"Compile a short-circuiting conjunction."
lcontinue = GbsLabel()
lend = GbsLabel()
type_annotation = self.get_type_annotation(tree)
self.compile_expression(tree.children[2], code)
code.push(('jumpIfFalse', lcontinue), near=tree)
self.compile_expression(tree.children[3], code)
code.push(('jump', lend), near=tree)
code.push(('label', lcontinue), near=tree)
code.push(('pushConst', gbs_builtins.parse_constant('False')),
near=tree)
code.push(('label', lend), near=tree)
def _parse_constant(self, name):
val = gbs_builtins.parse_constant(name)
if val is None:
self.fail('Unknown constant %s' % (name,))
return val
