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author | Ori Bernstein <ori@eigenstate.org> | 2021-06-14 00:00:37 +0000 |
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committer | Ori Bernstein <ori@eigenstate.org> | 2021-06-14 00:00:37 +0000 |
commit | a73a964e51247ed169d322c725a3a18859f109a3 (patch) | |
tree | 3f752d117274d444bda44e85609aeac1acf313f3 /sys/lib/python/compiler/syntax.py | |
parent | e64efe273fcb921a61bf27d33b230c4e64fcd425 (diff) |
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
Diffstat (limited to 'sys/lib/python/compiler/syntax.py')
-rw-r--r-- | sys/lib/python/compiler/syntax.py | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/sys/lib/python/compiler/syntax.py b/sys/lib/python/compiler/syntax.py deleted file mode 100644 index a45d9c2cf..000000000 --- a/sys/lib/python/compiler/syntax.py +++ /dev/null @@ -1,46 +0,0 @@ -"""Check for errs in the AST. - -The Python parser does not catch all syntax errors. Others, like -assignments with invalid targets, are caught in the code generation -phase. - -The compiler package catches some errors in the transformer module. -But it seems clearer to write checkers that use the AST to detect -errors. -""" - -from compiler import ast, walk - -def check(tree, multi=None): - v = SyntaxErrorChecker(multi) - walk(tree, v) - return v.errors - -class SyntaxErrorChecker: - """A visitor to find syntax errors in the AST.""" - - def __init__(self, multi=None): - """Create new visitor object. - - If optional argument multi is not None, then print messages - for each error rather than raising a SyntaxError for the - first. - """ - self.multi = multi - self.errors = 0 - - def error(self, node, msg): - self.errors = self.errors + 1 - if self.multi is not None: - print "%s:%s: %s" % (node.filename, node.lineno, msg) - else: - raise SyntaxError, "%s (%s:%s)" % (msg, node.filename, node.lineno) - - def visitAssign(self, node): - # the transformer module handles many of these - pass -## for target in node.nodes: -## if isinstance(target, ast.AssList): -## if target.lineno is None: -## target.lineno = node.lineno -## self.error(target, "can't assign to list comprehension") |