codeparser: accept a name for better messages
- If a name is passed to the parser, prepend the messages with "while parsing <name>:". This gives a bit more context. - Tweak the warning messages slightly (they had to be altered anyway to inject the variable being parsed). Before: DEBUG: Warning: in call to 'bb.data.getVar': argument ''%s' % var' is \ not a literal After: DEBUG: while parsing emit_pkgdata, in call of bb.data.getVar, argument \ ''%s' % var' is not a string literal (Bitbake rev: 1060193ae4d54e667735dbff5d1d2be49a3f95c9) Signed-off-by: Christopher Larson <chris_larson@mentor.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -155,8 +155,7 @@ class PythonParser():
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expands = ("d.expand", "bb.data.expand", "data.expand")
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execfuncs = ("bb.build.exec_func", "bb.build.exec_task")
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@classmethod
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def warn(cls, func, arg):
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def warn(self, func, arg):
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"""Warn about calls of bitbake APIs which pass a non-literal
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argument for the variable name, as we're not able to track such
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a reference.
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@ -168,8 +167,7 @@ class PythonParser():
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except TypeError:
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logger.debug(2, 'Failed to convert function and argument to source form')
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else:
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logger.debug(1, "Warning: in call to '%s', argument '%s' is "
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"not a literal", funcstr, argstr)
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logger.debug(1, self.unhandled_message % (funcstr, argstr))
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def visit_Call(self, node):
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name = self.called_node_name(node.func)
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@ -208,13 +206,16 @@ class PythonParser():
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else:
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break
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def __init__(self):
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def __init__(self, name):
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self.var_references = set()
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self.var_execs = set()
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self.execs = set()
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self.var_expands = set()
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self.references = set()
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self.unhandled_message = "in call of %s, argument '%s' is not a string literal"
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self.unhandled_message = "while parsing %s, %s" % (name, self.unhandled_message)
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def parse_python(self, node):
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h = hash(str(node))
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@ -238,10 +239,12 @@ class PythonParser():
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pythonparsecache[h]["execs"] = self.execs
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class ShellParser():
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def __init__(self):
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def __init__(self, name):
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self.funcdefs = set()
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self.allexecs = set()
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self.execs = set()
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self.unhandled_template = "unable to handle non-literal command '%s'"
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self.unhandled_template = "while parsing %s, %s" % (name, self.unhandled_template)
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def parse_shell(self, value):
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"""Parse the supplied shell code in a string, returning the external
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@ -356,8 +359,7 @@ class ShellParser():
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cmd = word[1]
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if cmd.startswith("$"):
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logger.debug(1, "Warning: execution of non-literal "
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"command '%s'", cmd)
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logger.debug(1, self.unhandled_template % cmd)
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elif cmd == "eval":
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command = " ".join(word for _, word in words[1:])
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self.parse_shell(command)
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@ -258,7 +258,7 @@ def emit_func(func, o=sys.__stdout__, d = init()):
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emit_var(key, o, d, False) and o.write('\n')
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emit_var(func, o, d, False) and o.write('\n')
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newdeps = bb.codeparser.ShellParser().parse_shell(d.getVar(func, True))
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newdeps = bb.codeparser.ShellParser(func).parse_shell(d.getVar(func, True))
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seen = set()
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while newdeps:
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deps = newdeps
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@ -267,7 +267,7 @@ def emit_func(func, o=sys.__stdout__, d = init()):
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for dep in deps:
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if bb.data.getVarFlag(dep, "func", d):
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emit_var(dep, o, d, False) and o.write('\n')
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newdeps |= bb.codeparser.ShellParser().parse_shell(d.getVar(dep, True))
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newdeps |= bb.codeparser.ShellParser(dep).parse_shell(d.getVar(dep, True))
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newdeps -= seen
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def update_data(d):
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@ -68,7 +68,7 @@ class VariableParse:
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code = match.group()[3:-1]
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codeobj = compile(code.strip(), self.varname or "<expansion>", "eval")
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parser = bb.codeparser.PythonParser()
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parser = bb.codeparser.PythonParser(self.varname)
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parser.parse_python(code)
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self.references |= parser.references
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self.execs |= parser.execs
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