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Fix scanning of multiline operators with '<' or '/'

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This commit is contained in:
Elara 2024-11-11 00:08:02 -08:00
parent 58b45e6cac
commit 4098c0e25a
1 changed files with 3 additions and 5 deletions
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6
hisscl/lexer.py
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@ -175,7 +175,6 @@ class Lexer:
return Token.HEREDOC, pos, out.getvalue()
# TODO: scan multi-char operators like ==
def _scan_operator(self, char) -> tuple[Token, ast.Position, str]:
pos = dataclasses.replace(self.pos)
with io.StringIO() as out:
@ -183,7 +182,6 @@ class Lexer:
out.write(char)
char = self._read()
self._unread(char)
val = out.getvalue()
return Token.OPERATOR, pos, out.getvalue()
def scan(self) -> tuple[Token, ast.Position, str]:
@ -208,7 +206,7 @@ class Lexer:
# If the next character is not another less than symbol,
# this is probably a less than operator.
if self._peek(1) != '<':
return Token.OPERATOR, self.pos, char
return self._scan_operator(char)
return self._scan_heredoc(char)
case '/':
next = self._peek(1)
@ -224,7 +222,7 @@ class Lexer:
# If the next character is not another slash
# or an asterisk, this is probably a division
# operator.
return Token.OPERATOR, self.pos, char
return self._scan_operator(char)
case '#':
# Ignore comments and return next token
self._scan_comment(char)