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Show origin of expansion in diagnostics for synthesized code.

This commit is contained in:
whitequark 2015-08-07 13:56:18 +03:00
parent 50448ef554
commit a7633f75c7
2 changed files with 9 additions and 4 deletions

View File

@ -12,9 +12,10 @@ from .transforms import ASTTypedRewriter, Inferencer
class ASTSynthesizer: class ASTSynthesizer:
def __init__(self): def __init__(self, expanded_from=None):
self.source = "" self.source = ""
self.source_buffer = source.Buffer(self.source, "<synthesized>") self.source_buffer = source.Buffer(self.source, "<synthesized>")
self.expanded_from = expanded_from
def finalize(self): def finalize(self):
self.source_buffer.source = self.source self.source_buffer.source = self.source
@ -24,7 +25,8 @@ class ASTSynthesizer:
range_from = len(self.source) range_from = len(self.source)
self.source += fragment self.source += fragment
range_to = len(self.source) range_to = len(self.source)
return source.Range(self.source_buffer, range_from, range_to) return source.Range(self.source_buffer, range_from, range_to,
expanded_from=self.expanded_from)
def quote(self, value): def quote(self, value):
"""Construct an AST fragment equal to `value`.""" """Construct an AST fragment equal to `value`."""
@ -128,7 +130,7 @@ class StitchingASTTypedRewriter(ASTTypedRewriter):
else: else:
# It's just a value. Quote it. # It's just a value. Quote it.
synthesizer = ASTSynthesizer() synthesizer = ASTSynthesizer(expanded_from=node.loc)
node = synthesizer.quote(value) node = synthesizer.quote(value)
synthesizer.finalize() synthesizer.finalize()
return node return node

View File

@ -76,9 +76,12 @@ class Inferencer(algorithm.Visitor):
def visit_ListT(self, node): def visit_ListT(self, node):
self.generic_visit(node) self.generic_visit(node)
elt_type_loc = node.loc
for elt in node.elts: for elt in node.elts:
self._unify(node.type["elt"], elt.type, self._unify(node.type["elt"], elt.type,
node.loc, elt.loc, self._makenotes_elts(node.elts, "a list element")) elt_type_loc, elt.loc,
self._makenotes_elts(node.elts, "a list element"))
elt_type_loc = elt.loc
def visit_AttributeT(self, node): def visit_AttributeT(self, node):
self.generic_visit(node) self.generic_visit(node)