Thread: [javascriptlint-commit] SF.net SVN: javascriptlint:[204] trunk/pyjsl/lint.py
Status: Beta
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From: <mat...@us...> - 2008-08-15 15:11:13
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Revision: 204
http://javascriptlint.svn.sourceforge.net/javascriptlint/?rev=204&view=rev
Author: matthiasmiller
Date: 2008-08-15 15:11:11 +0000 (Fri, 15 Aug 2008)
Log Message:
-----------
fix bug in variable declarations getting added to the wrong scope
Modified Paths:
--------------
trunk/pyjsl/lint.py
Modified: trunk/pyjsl/lint.py
===================================================================
--- trunk/pyjsl/lint.py 2008-08-15 14:55:20 UTC (rev 203)
+++ trunk/pyjsl/lint.py 2008-08-15 15:11:11 UTC (rev 204)
@@ -310,7 +310,7 @@
@visitation.visit('push', tok.VAR)
def _push_var(self, node):
for kid in node.kids:
- _warn_or_declare(scope, kid.atom, node, report)
+ _warn_or_declare(scopes[-1], kid.atom, node, report)
return scope_checks
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From: <mat...@us...> - 2008-08-28 00:18:46
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Revision: 229
http://javascriptlint.svn.sourceforge.net/javascriptlint/?rev=229&view=rev
Author: matthiasmiller
Date: 2008-08-28 00:18:44 +0000 (Thu, 28 Aug 2008)
Log Message:
-----------
pyjsl.lint.Scope's contract indicates that "node" may be None
Modified Paths:
--------------
trunk/pyjsl/lint.py
Modified: trunk/pyjsl/lint.py
===================================================================
--- trunk/pyjsl/lint.py 2008-08-28 00:14:15 UTC (rev 228)
+++ trunk/pyjsl/lint.py 2008-08-28 00:18:44 UTC (rev 229)
@@ -128,7 +128,8 @@
(scope, name, node)
]
"""
- is_in_with_scope = is_in_with_scope or self._node.kind == tok.WITH
+ if self._node and self._node.kind == tok.WITH:
+ is_in_with_scope = True
# Add all identifiers as unreferenced. Children scopes will remove
# them if they are referenced. Variables need to be keyed by name
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From: <mat...@us...> - 2008-08-28 00:25:44
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Revision: 230
http://javascriptlint.svn.sourceforge.net/javascriptlint/?rev=230&view=rev
Author: matthiasmiller
Date: 2008-08-28 00:25:42 +0000 (Thu, 28 Aug 2008)
Log Message:
-----------
improve pyjsl.lint.Scope's contract:
* Outer-level scopes will never be associated with a node.
* All inner-level scopes will always be associated with a node.
Modified Paths:
--------------
trunk/pyjsl/lint.py
Modified: trunk/pyjsl/lint.py
===================================================================
--- trunk/pyjsl/lint.py 2008-08-28 00:18:44 UTC (rev 229)
+++ trunk/pyjsl/lint.py 2008-08-28 00:25:42 UTC (rev 230)
@@ -72,16 +72,20 @@
return (comment, keyword, parms)
class Scope:
- def __init__(self, node):
- """ node may be None """
+ """ Outer-level scopes will never be associated with a node.
+ Inner-level scopes will always be associated with a node.
+ """
+ def __init__(self):
self._parent = None
self._kids = []
self._identifiers = {}
self._references = []
- self._node = node
+ self._node = None
def add_scope(self, node):
- self._kids.append(Scope(node))
+ assert not node is None
+ self._kids.append(Scope())
self._kids[-1]._parent = self
+ self._kids[-1]._node = node
return self._kids[-1]
def add_declaration(self, name, node):
self._identifiers[name] = node
@@ -157,22 +161,22 @@
child._find_unreferenced_and_undeclared(unreferenced, undeclared,
is_in_with_scope)
def find_scope(self, node):
- if not self._node:
- return None
-
for kid in self._kids:
scope = kid.find_scope(node)
if scope:
return scope
# Always add it to the outer scope.
- if not self._parent or \
- (node.start_pos() >= self._node.start_pos() and \
+ if not self._parent:
+ assert not self._node
+ return self
+
+ # Conditionally add it to an inner scope.
+ assert self._node
+ if (node.start_pos() >= self._node.start_pos() and \
node.end_pos() <= self._node.end_pos()):
return self
- return None
-
def lint_files(paths, lint_error, conf=conf.Conf()):
def lint_file(path):
def import_script(import_path):
@@ -258,7 +262,7 @@
# Cache empty results for this script.
assert not script_cache
script_cache['imports'] = set()
- script_cache['scope'] = Scope(None)
+ script_cache['scope'] = Scope()
# Report errors and quit.
for pos, msg in parse_errors:
@@ -321,7 +325,7 @@
assert not script_cache
imports = script_cache['imports'] = set()
- scope = script_cache['scope'] = Scope(root)
+ scope = script_cache['scope'] = Scope()
# Push the scope/variable checks.
visitation.make_visitors(visitors, [_get_scope_checks(scope, report)])
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From: <mat...@us...> - 2009-05-26 02:26:27
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Revision: 244
http://javascriptlint.svn.sourceforge.net/javascriptlint/?rev=244&view=rev
Author: matthiasmiller
Date: 2009-05-26 02:26:18 +0000 (Tue, 26 May 2009)
Log Message:
-----------
var_hides_arg should also check parent scopes
Modified Paths:
--------------
trunk/pyjsl/lint.py
Modified: trunk/pyjsl/lint.py
===================================================================
--- trunk/pyjsl/lint.py 2009-05-20 07:37:57 UTC (rev 243)
+++ trunk/pyjsl/lint.py 2009-05-26 02:26:18 UTC (rev 244)
@@ -435,12 +435,13 @@
return onpush
def _warn_or_declare(scope, name, node, report):
- other = scope.get_identifier(name)
+ parent_scope, other = scope.resolve_identifier(name) or (None, None)
if other and other.kind == tok.FUNCTION and name in other.fn_args:
report(node, 'var_hides_arg', name=name)
- elif other:
+ elif other and parent_scope == scope:
report(node, 'redeclared_var', name=name)
else:
+ # TODO: Warn when hiding a variable in a parent scope.
scope.add_declaration(name, node)
def _get_scope_checks(scope, report):
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From: <mat...@us...> - 2009-08-27 16:53:01
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Revision: 246
http://javascriptlint.svn.sourceforge.net/javascriptlint/?rev=246&view=rev
Author: matthiasmiller
Date: 2009-08-27 16:52:43 +0000 (Thu, 27 Aug 2009)
Log Message:
-----------
fix error position for nested comments
Modified Paths:
--------------
trunk/pyjsl/lint.py
Modified: trunk/pyjsl/lint.py
===================================================================
--- trunk/pyjsl/lint.py 2009-08-27 16:45:33 UTC (rev 245)
+++ trunk/pyjsl/lint.py 2009-08-27 16:52:43 UTC (rev 246)
@@ -252,7 +252,7 @@
'redeclared_var', 'var_hides_arg'):
parse_errors.append((jsparse.NodePos(row, col), msg))
- def report(node, errname, **errargs):
+ def report(node, errname, pos=None, **errargs):
if errname == 'empty_statement' and node.kind == tok.LC:
for pass_ in passes:
if pass_.start_pos() > node.start_pos() and \
@@ -283,7 +283,7 @@
fallthrus.remove(fallthru)
return
- report_lint(node, errname, **errargs)
+ report_lint(node, errname, pos, **errargs)
parse_errors = []
declares = []
@@ -334,8 +334,15 @@
passes.append(node)
else:
if comment.opcode == 'c_comment':
- if '/*' in comment.atom or comment.atom.endswith('/'):
- report(comment, 'nested_comment')
+ # Look for nested C-style comments.
+ nested_comment = comment.atom.find('/*')
+ if nested_comment < 0 and comment.atom.endswith('/'):
+ nested_comment = len(comment.atom) - 1
+ # Report at the actual error of the location. Add two
+ # characters for the opening two characters.
+ if nested_comment >= 0:
+ pos = node_positions.from_offset(node_positions.to_offset(comment.start_pos()) + 2 + nested_comment)
+ report(comment, 'nested_comment', pos=pos)
if comment.atom.lower().startswith('jsl:'):
report(comment, 'jsl_cc_not_understood')
elif comment.atom.startswith('@'):
@@ -378,15 +385,9 @@
declare_scope.add_declaration(name, node)
def _lint_script_parts(script_parts, script_cache, lint_error, conf, import_callback):
- def report_lint(node, errname, **errargs):
- # TODO: This is ugly hardcoding to improve the error positioning of
- # "missing_semicolon" errors.
- if errname == 'missing_semicolon' or errname == 'missing_semicolon_for_lambda':
- pos = node.end_pos()
- else:
- pos = node.start_pos()
+ def report_lint(node, errname, pos=None, **errargs):
errdesc = warnings.format_error(errname, **errargs)
- _report(pos, errname, errdesc, True)
+ _report(pos or node.start_pos(), errname, errdesc, True)
def report_native(pos, errname):
# TODO: Format the error.
@@ -431,7 +432,13 @@
ret = visitor(node)
assert ret is None, 'visitor should raise an exception, not return a value'
except warnings.LintWarning, warning:
- report(warning.node, visitor.warning, **warning.errargs)
+ # TODO: This is ugly hardcoding to improve the error positioning of
+ # "missing_semicolon" errors.
+ if visitor.warning in ('missing_semicolon', 'missing_semicolon_for_lambda'):
+ pos = warning.node.end_pos()
+ else:
+ pos = None
+ report(warning.node, visitor.warning, pos=pos, **warning.errargs)
return onpush
def _warn_or_declare(scope, name, node, report):
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