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artiq
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compiler: insert new lines into long synthesized code (#1986)

This commit is contained in:
Egor Savkin 2022-11-23 12:10:32 +08:00 committed by GitHub
parent 0b3c232819
commit f7f027001e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 10 deletions
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29
artiq/compiler/embedding.py
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@ -169,6 +169,7 @@ class EmbeddingMap:
class ASTSynthesizer:
def __init__(self, embedding_map, value_map, quote_function=None, expanded_from=None):
self.source = ""
self.source_last_new_line = 0
self.source_buffer = source.Buffer(self.source, "<synthesized>")
self.embedding_map = embedding_map
self.value_map = value_map
@ -187,6 +188,14 @@ class ASTSynthesizer:
return source.Range(self.source_buffer, range_from, range_to,
expanded_from=self.expanded_from)
def _add_iterable(self, fragment):
# Since DILocation points on the beginning of the piece of source
# we don't care if the fragment's end will overflow LLVM's limit.
if len(self.source) - self.source_last_new_line >= 2**16:
fragment = "\\\n" + fragment
self.source_last_new_line = len(self.source) + 2
return self._add(fragment)
def fast_quote_list(self, value):
elts = [None] * len(value)
is_T = False
@ -245,7 +254,7 @@ class ASTSynthesizer:
for index, elt in enumerate(value):
elts[index] = self.quote(elt)
if index < len(value) - 1:
self._add(", ")
self._add_iterable(", ")
return elts
def quote(self, value):
@ -296,28 +305,28 @@ class ASTSynthesizer:
loc=self._add(repr(value)))
elif isinstance(value, str):
return asttyped.StrT(s=value, ctx=None, type=builtins.TStr(),
loc=self._add(repr(value)))
loc=self._add_iterable(repr(value)))
elif isinstance(value, bytes):
return asttyped.StrT(s=value, ctx=None, type=builtins.TBytes(),
loc=self._add(repr(value)))
loc=self._add_iterable(repr(value)))
elif isinstance(value, bytearray):
quote_loc = self._add('`')
repr_loc = self._add(repr(value))
unquote_loc = self._add('`')
quote_loc = self._add_iterable('`')
repr_loc = self._add_iterable(repr(value))
unquote_loc = self._add_iterable('`')
loc = quote_loc.join(unquote_loc)
return asttyped.QuoteT(value=value, type=builtins.TByteArray(), loc=loc)
elif isinstance(value, list):
begin_loc = self._add("[")
begin_loc = self._add_iterable("[")
elts = self.fast_quote_list(value)
end_loc = self._add("]")
end_loc = self._add_iterable("]")
return asttyped.ListT(elts=elts, ctx=None, type=builtins.TList(),
begin_loc=begin_loc, end_loc=end_loc,
loc=begin_loc.join(end_loc))
elif isinstance(value, tuple):
begin_loc = self._add("(")
begin_loc = self._add_iterable("(")
elts = self.fast_quote_list(value)
end_loc = self._add(")")
end_loc = self._add_iterable(")")
return asttyped.TupleT(elts=elts, ctx=None,
type=types.TTuple([e.type for e in elts]),
begin_loc=begin_loc, end_loc=end_loc,