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parser: Shorter code for groups

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Add a "grammar" property on AstNode types so they can be used in grammar
expressions as groups
This commit is contained in:
James Westman 2022-01-17 00:04:26 -06:00
parent 8d587b62a0
commit 76f7befd68
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GPG key ID: CE2DBA0ADB654EA6
10 changed files with 119 additions and 159 deletions
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38
blueprintcompiler/extensions/gtk_size_group.py
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@ -27,19 +27,9 @@ from ..parser_utils import *
from ..xml_emitter import XmlEmitter
class Widgets(AstNode):
@validate("widgets")
def container_is_size_group(self):
self.validate_parent_type("Gtk", "SizeGroup", "size group properties")
def emit_xml(self, xml: XmlEmitter):
xml.start_tag("widgets")
for child in self.children:
child.emit_xml(xml)
xml.end_tag()
class Widget(AstNode):
grammar = UseIdent("name")
@validate("name")
def obj_widget(self):
object = self.root.objects_by_id.get(self.tokens["name"])
@ -58,21 +48,23 @@ class Widget(AstNode):
xml.put_self_closing("widget", name=self.tokens["name"])
widgets = Group(
Widgets,
[
class Widgets(AstNode):
grammar = [
Keyword("widgets"),
"[",
Delimited(
Group(
Widget,
UseIdent("name"),
),
",",
),
Delimited(Widget, ","),
"]",
]
)
@validate("widgets")
def container_is_size_group(self):
self.validate_parent_type("Gtk", "SizeGroup", "size group properties")
def emit_xml(self, xml: XmlEmitter):
xml.start_tag("widgets")
for child in self.children:
child.emit_xml(xml)
xml.end_tag()
@completer(