Skip to content

Add _emitfulltype to Optional and _emitprimitivetype to Peek #1029

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wbarnha wants to merge 3 commits into
base: master
Choose a base branch
from
Open

Add _emitfulltype to Optional and _emitprimitivetype to Peek #1029

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
eadc665
Add emitfulltype to Optional
wbarnha Apr 24, 2023
0333a91
add parenthesis to not() in order to properly generate python file
wbarnha Apr 24, 2023
5140f76
Add _emitprimitivetype to Peek
wbarnha Apr 24, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 10 additions & 1 deletion construct/core.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3866,7 +3866,11 @@ def Optional(subcon):
>>> d.build(None)
b''
"""
return Select(subcon, Pass)
macro = Select(subcon, Pass)
def _emitfulltype(ksy, bitwise):
return dict(type=subcon._compileprimitivetype(ksy, bitwise), if_="not(_io.eof)")
macro._emitfulltype = _emitfulltype
return macro


def If(condfunc, subcon):
Expand Down Expand Up @@ -4465,6 +4469,11 @@ def _build(self, obj, stream, context, path):
def _sizeof(self, context, path):
return 0

def _emitprimitivetype(self, ksy, bitwise):
name = "instance_%s" % ksy.allocateId()
ksy.instances[name] = dict(**self.subcon._compilefulltype(ksy, bitwise))
return name

def _emitparse(self, code):
code.append("""
def parse_peek(io, func):
Expand Down