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Commit d471ad91 authored by Eckhart Arnold's avatar Eckhart Arnold
Browse files

- Fehlerkorrektur DHParser.transform.error_on

parent c3dc9adf
......@@ -758,7 +758,7 @@ class Node(collections.abc.Sized):
"""
Picks the first descendant with one of the given tag_names.
This function is just syntactic sugar for
This function is mostly just syntactic sugar for
``next(node.select_by_tag(tag_names, False))``. However, rather than
raising a StopIterationError if no descendant with the given tag-name
exists, it returns None.
......
......@@ -32,7 +32,7 @@ import inspect
import fnmatch
from functools import partial, reduce, singledispatch
from DHParser.error import Error
from DHParser.error import Error, ErrorCode
from DHParser.syntaxtree import Node, WHITESPACE_PTYPE, TOKEN_PTYPE, ParserBase, MockParser, \
ZOMBIE_NODE, parse_sxpr, flatten_sxpr
from DHParser.toolkit import issubtype, isgenerictype, expand_table, smart_list, re, typing
......@@ -101,7 +101,6 @@ __all__ = ('TransformationDict',
'require',
'assert_content',
'error_on',
'warn_on',
'assert_has_children',
'peek')
......@@ -957,37 +956,42 @@ def remove_content(context: List[Node], regexp: str):
########################################################################
@transformation_factory(collections.abc.Callable)
def error_on(context: List[Node], condition: Callable, error_msg: str = ''):
def error_on(context: List[Node],
condition: Callable,
error_msg: str = '',
error_code: ErrorCode = Error.ERROR):
"""
Checks for `condition`; adds an error message if condition is not met.
Checks for `condition`; adds an error or warning message if condition is not met.
"""
node = context[-1]
if not condition(context):
if error_msg:
node.add_error(error_msg % node.tag_name if error_msg.find("%s") > 0 else error_msg)
context[0].new_error(node, error_msg % node.tag_name if error_msg.find("%s") > 0
else error_msg, error_code)
else:
cond_name = condition.__name__ if hasattr(condition, '__name__') \
else condition.__class__.__name__ if hasattr(condition, '__class__') \
else '<unknown>'
node.add_error("transform.error_on: Failed to meet condition " + cond_name)
context[0].new_error(node, "transform.error_on: Failed to meet condition " + cond_name,
error_code)
@transformation_factory(collections.abc.Callable)
def warn_on(context: List[Node], condition: Callable, warning: str = ''):
"""
Checks for `condition`; adds an warning message if condition is not met.
"""
node = context[-1]
if not condition(context):
if warning:
node.add_error(warning % node.tag_name if warning.find("%s") > 0 else warning,
Error.WARNING)
else:
cond_name = condition.__name__ if hasattr(condition, '__name__') \
else condition.__class__.__name__ if hasattr(condition, '__class__') \
else '<unknown>'
node.add_error("transform.warn_on: Failed to meet condition " + cond_name,
Error.WARNING)
#
# @transformation_factory(collections.abc.Callable)
# def warn_on(context: List[Node], condition: Callable, warning: str = ''):
# """
# Checks for `condition`; adds an warning message if condition is not met.
# """
# node = context[-1]
# if not condition(context):
# if warning:
# node.add_error(warning % node.tag_name if warning.find("%s") > 0 else warning,
# Error.WARNING)
# else:
# cond_name = condition.__name__ if hasattr(condition, '__name__') \
# else condition.__class__.__name__ if hasattr(condition, '__class__') \
# else '<unknown>'
# context[0].new_error(node, "transform.warn_on: Failed to meet condition " + cond_name,
# Error.WARNING)
assert_has_children = error_on(lambda nd: nd.children, 'Element "%s" has no children')
......
......@@ -96,8 +96,8 @@ class TestNode:
tree['d'].result = "x"
assert tree != tree_copy
assert tree_copy == parse_sxpr('(a (b c) (d (e f) (h i)))')
print(tree.as_sxpr())
print(parse_sxpr('(a (b c) (d x))').as_sxpr())
# print(tree.as_sxpr())
# print(parse_sxpr('(a (b c) (d x))').as_sxpr())
assert tree == parse_sxpr('(a (b c) (d x))')
# this also checks for errors equality...
......
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