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language: Add closure expressions

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This commit is contained in:
James Westman 2022-12-24 21:46:03 -06:00
parent 5cf9b63547
commit 59aa054c4c
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GPG key ID: CE2DBA0ADB654EA6
10 changed files with 96 additions and 7 deletions
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10
blueprintcompiler/outputs/xml/__init__.py
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@ -179,7 +179,7 @@ class XmlOutput(OutputFormat):
def _emit_expression(self, expression: ExprChain, xml: XmlEmitter):
self._emit_expression_part(expression.children[-1], xml)
def _emit_expression_part(self, expression, xml: XmlEmitter):
def _emit_expression_part(self, expression: Expr, xml: XmlEmitter):
if isinstance(expression, IdentExpr):
self._emit_ident_expr(expression, xml)
elif isinstance(expression, LookupOp):
@ -188,6 +188,8 @@ class XmlOutput(OutputFormat):
self._emit_expression(expression, xml)
elif isinstance(expression, CastExpr):
self._emit_cast_expr(expression, xml)
elif isinstance(expression, ClosureExpr):
self._emit_closure_expr(expression, xml)
else:
raise CompilerBugError()
@ -204,6 +206,12 @@ class XmlOutput(OutputFormat):
def _emit_cast_expr(self, expr: CastExpr, xml: XmlEmitter):
self._emit_expression_part(expr.lhs, xml)
def _emit_closure_expr(self, expr: ClosureExpr, xml: XmlEmitter):
xml.start_tag("closure", function=expr.closure_name, type=expr.type)
for arg in expr.args:
self._emit_expression_part(arg, xml)
xml.end_tag()
def _emit_attribute(
self, tag: str, attr: str, name: str, value: Value, xml: XmlEmitter
):