From 0eb6d709b6c38aa27f33d8b0ef977a33350f0d75 Mon Sep 17 00:00:00 2001 From: Jérémy Rosen Date: Tue, 16 Aug 2016 14:04:47 +0200 Subject: bitbake: ast/ConfHandler: Add a syntax to clear variable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit unset VAR will clear variable VAR unset VAR[flag] will clear flag "flag" from var VAR (Bitbake rev: bedbd46ece8d1285b5cd2ea07dc64b4875b479aa) Signed-off-by: Jérémy Rosen Signed-off-by: Richard Purdie --- bitbake/lib/bb/parse/ast.py | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'bitbake/lib/bb/parse/ast.py') diff --git a/bitbake/lib/bb/parse/ast.py b/bitbake/lib/bb/parse/ast.py index 0fc3a9e7a4..d7185b1664 100644 --- a/bitbake/lib/bb/parse/ast.py +++ b/bitbake/lib/bb/parse/ast.py @@ -69,6 +69,33 @@ class ExportNode(AstNode): def eval(self, data): data.setVarFlag(self.var, "export", 1, op = 'exported') +class UnsetNode(AstNode): + def __init__(self, filename, lineno, var): + AstNode.__init__(self, filename, lineno) + self.var = var + + def eval(self, data): + loginfo = { + 'variable': self.var, + 'file': self.filename, + 'line': self.lineno, + } + data.delVar(self.var,**loginfo) + +class UnsetFlagNode(AstNode): + def __init__(self, filename, lineno, var, flag): + AstNode.__init__(self, filename, lineno) + self.var = var + self.flag = flag + + def eval(self, data): + loginfo = { + 'variable': self.var, + 'file': self.filename, + 'line': self.lineno, + } + data.delVarFlag(self.var, self.flag, **loginfo) + class DataNode(AstNode): """ Various data related updates. For the sake of sanity @@ -270,6 +297,12 @@ def handleInclude(statements, filename, lineno, m, force): def handleExport(statements, filename, lineno, m): statements.append(ExportNode(filename, lineno, m.group(1))) +def handleUnset(statements, filename, lineno, m): + statements.append(UnsetNode(filename, lineno, m.group(1))) + +def handleUnsetFlag(statements, filename, lineno, m): + statements.append(UnsetFlagNode(filename, lineno, m.group(1), m.group(2))) + def handleData(statements, filename, lineno, groupd): statements.append(DataNode(filename, lineno, groupd)) -- cgit v1.2.3-54-g00ecf