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language: Add cast expressions

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James Westman 2022-12-23 23:24:29 -06:00
parent 2033bd9e16
commit 5cf9b63547
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GPG key ID: CE2DBA0ADB654EA6
15 changed files with 122 additions and 20 deletions
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13
blueprintcompiler/outputs/xml/__init__.py
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@ -114,7 +114,7 @@ class XmlOutput(OutputFormat):
elif value is None:
if property.tokens["binding"]:
xml.start_tag("binding", **props)
self._emit_expression(property.children[Expr][0], xml)
self._emit_expression(property.children[ExprChain][0], xml)
xml.end_tag()
else:
xml.put_self_closing("property", **props)
@ -176,7 +176,7 @@ class XmlOutput(OutputFormat):
else:
raise CompilerBugError()
def _emit_expression(self, expression: Expr, xml: XmlEmitter):
def _emit_expression(self, expression: ExprChain, xml: XmlEmitter):
self._emit_expression_part(expression.children[-1], xml)
def _emit_expression_part(self, expression, xml: XmlEmitter):
@ -184,8 +184,10 @@ class XmlOutput(OutputFormat):
self._emit_ident_expr(expression, xml)
elif isinstance(expression, LookupOp):
self._emit_lookup_op(expression, xml)
elif isinstance(expression, Expr):
elif isinstance(expression, ExprChain):
self._emit_expression(expression, xml)
elif isinstance(expression, CastExpr):
self._emit_cast_expr(expression, xml)
else:
raise CompilerBugError()
@ -195,10 +197,13 @@ class XmlOutput(OutputFormat):
xml.end_tag()
def _emit_lookup_op(self, expr: LookupOp, xml: XmlEmitter):
xml.start_tag("lookup", name=expr.property_name)
xml.start_tag("lookup", name=expr.property_name, type=expr.lhs.type)
self._emit_expression_part(expr.lhs, xml)
xml.end_tag()
def _emit_cast_expr(self, expr: CastExpr, xml: XmlEmitter):
self._emit_expression_part(expr.lhs, xml)
def _emit_attribute(
self, tag: str, attr: str, name: str, value: Value, xml: XmlEmitter
):