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Castle: The best Real-Time/Embedded/HighTech language EVER. Attempt 2


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Revision290017360158b3308b186c4cda53422df45f72fb (tree)
Zeit2022-04-21 21:56:47
AutorAlbert Mietus < albert AT mietus DOT nl >
CommiterAlbert Mietus < albert AT mietus DOT nl >

Log Message

Refactored: moved (AST) serialization into subdir

Ändern Zusammenfassung

Diff

diff -r c1bc9415390a -r 290017360158 Makefile
--- a/Makefile Wed Apr 20 15:50:40 2022 +0200
+++ b/Makefile Thu Apr 21 14:56:47 2022 +0200
@@ -32,7 +32,7 @@
3232
3333 missing_serialization:
3434 @for R in ${shell grep '^ *class ' castle/ast/peg.py | sed 's/class //g' | sed 's/[:( ].*$$//g' } ; do \
35- if ! grep -q -E "^ *((def)|(# *NO_VISITOR_NEEDED:)) $${R}2xml" castle/ast/ast2xml.py > /dev/null ; then\
35+ if ! grep -q -E "^ *((def)|(# *NO_VISITOR_NEEDED:)) $${R}2xml" castle/ast/serialization/ast2xml.py > /dev/null ; then\
3636 echo "Warning: $${R} has no xml-serializer (nor is marked as to need none)" ;\
3737 fi ;\
3838 done
diff -r c1bc9415390a -r 290017360158 castle/ast/ast2xml.py
--- a/castle/ast/ast2xml.py Wed Apr 20 15:50:40 2022 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,117 +0,0 @@
1-""" Support to translate an AST into XML.
2-This file should be used directly, instead use :class:`castle.ast.serialization.Serialize` as in ``Serialize('XML')``
3-"""
4-
5-import logging; logger = logging.getLogger(__name__)
6-from castle.ast import serialization
7-from xml.etree import ElementTree as ET
8-
9-
10-class XML_Serialize(serialization.Serialize):
11- def serialize(self, ast) -> str:
12- logger.debug(f"serialize:: ast={ast._valType(ast)}")
13-
14- tree = self._ast2xml(ast)
15- return ET.tostring(tree, encoding="unicode")
16-
17-
18- def _ast2xml(self, ast, parent=None) -> ET.Element:
19- if parent is None:
20- parent = ET.Element('AST2XML', version="0.0")
21-
22- method_name = f'{type(ast).__name__}2xml'
23- visitor = getattr(self, method_name, None)
24- logger.debug(f'_ast2xml:: visitor={visitor}')
25-
26- if visitor:
27- visitor(ast=ast, parent=parent) # Grow the tree
28- else:
29- logger.info(f'No visitor >>{method_name}<<, skipping ... (fingers crossed)')
30- return parent
31-
32-
33- def ID2xml(self, ast, parent) ->None:
34- logger.debug(f"ID2xml:: ast={ast._valType(ast)} parent={parent} ast.name={ast.name}")
35- ET.SubElement(parent, 'ID', name=ast.name)
36-
37-
38-#NO_VISITOR_NEEDED: PEG2xml ## Pure Abstract
39-#NO_VISITOR_NEEDED: MixIn_value_attribute2xml ## MixIn
40-#NO_VISITOR_NEEDED: MixIn_expr_attribute2xml ## MixIn
41-#NO_VISITOR_NEEDED: MixIn_children_tuple2xml ## MixIn
42-#NO_VISITOR_NEEDED: Terminal2xml ## Pure Abstract
43-#NO_VISITOR_NEEDED: NonTerminal2xml ## Pure Abstract
44-#NO_VISITOR_NEEDED: Expression2xml ## Pure Abstract
45-#NO_VISITOR_NEEDED: Predicate2xml ## Pure Abstract
46-#NO_VISITOR_NEEDED: Group2xml ## Pure Abstract
47-#NO_VISITOR_NEEDED: Markers2xml ## Pure Abstract
48-#NO_VISITOR_NEEDED: Quantity2xml ## Pure Abstract
49-#NO_VISITOR_NEEDED: EOF2xml ## Not a real token
50-#NO_VISITOR_NEEDED: ParseRules2xml ## Handle in Rules2xml
51-#NO_VISITOR_NEEDED: Settings2xml ## Handle in Rules2xml
52-
53-
54- def _MixIn_value_attribute2xml(self, ast, parent, cls_name):
55- logger.debug(f"{cls_name}2xml:: ast={ast._valType(ast.value)}")
56- ET.SubElement(parent, cls_name, value=ast.value)
57-
58- def StrTerm2xml(self, ast, parent): self._MixIn_value_attribute2xml(ast, parent, 'StrTerm')
59- def RegExpTerm2xml(self, ast, parent): self._MixIn_value_attribute2xml(ast, parent, 'RegExpTerm')
60-
61- def Sequence2xml(self, ast, parent) ->None:
62- logger.debug(f"Sequence2xml::ast={ast._valType(ast._children)}")
63- seq = ET.SubElement(parent, 'Sequence')
64- for elm in ast:
65- self._ast2xml(elm, parent=seq)
66-
67- def Rule2xml(self, ast, parent) ->None:
68- logger.debug(f"Rule2xml:: ast:Rule.name={ast.name.name}")
69- rule = ET.SubElement(parent, 'Rule', name=ast.name.name)
70- self._ast2xml(ast.expr, parent=rule)
71-
72- def Rules2xml(self, ast, parent) ->None:
73- logger.debug(f"Rules2xml:: ast[{len(ast)}]")
74- for child in ast:
75- logger.debug(f'Rules2xml type(child)={type(child)}')
76- self._ast2xml(child, parent=parent)
77-
78- def _quantity_op2xml(self, ast, parent, tagName) -> None:
79- g = ET.SubElement(parent, tagName)
80- self._ast2xml(ast.expr, g)
81-
82- def UnorderedGroup2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'UnorderedGroup')
83- def Optional2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'Optional')
84- def ZeroOrMore2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'ZeroOrMore')
85- def OneOrMore2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'OneOrMore')
86-
87-
88- def OrderedChoice2xml(self, ast, parent) ->None:
89- oc = ET.SubElement(parent, 'OrderedChoice')
90- for c in ast:
91- self._ast2xml(c,oc)
92-
93- def _Predicate2xml(self, ast, parent, tagName) ->None:
94- logger.debug(f"_Predicate2xml.{tagName}:: expr: {ast.expr}:{type(ast.expr).__name__}")
95- predicate = ET.SubElement(parent, tagName)
96- self._ast2xml(ast.expr, predicate)
97-
98- def AndPredicate2xml(self, ast, parent): self._Predicate2xml(ast, parent,'AndPredicate')
99- def NotPredicate2xml(self, ast, parent): self._Predicate2xml(ast, parent,'NotPredicate')
100-
101-
102- def Number2xml(self, ast, parent) ->None:
103- logger.debug(f"Number2xml:: ast: {ast}:{type(ast).__name__}")
104- n = ET.SubElement(parent, 'Number')
105- n.text=ast.value
106-
107-
108- def Setting2xml(self, ast, parent) ->None:
109- logger.debug(f"Setting2xml:: ast: {ast}:{type(ast).__name__}")
110- setting = ET.SubElement(parent, 'Setting')
111- self._ast2xml(ast.name, setting)
112- self._ast2xml(ast.value, setting)
113-
114- def Grammar2xml(self, ast, parent) ->None:
115- g = ET.SubElement(parent, 'Grammar', no_parse_rules=str(len(ast.parse_rules)), no_settings=str(len(ast.settings)))
116- self._ast2xml(ast._all_rules, g)
117-
diff -r c1bc9415390a -r 290017360158 castle/ast/serialization.py
--- a/castle/ast/serialization.py Wed Apr 20 15:50:40 2022 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,16 +0,0 @@
1-
2-
3-class Serialize ():
4-
5- def __new__(cls, strategy=None):
6- if strategy is None:
7- return object.__new__(cls)
8- if str(strategy).upper() == "XML":
9- from .ast2xml import XML_Serialize
10- return XML_Serialize()
11- else:
12- raise NotImplementedError(f"No Serializer of {strategy} available")
13-
14- def serialize(self, ast):
15- raise NotImplementedError(f"Implement in subclass")
16-
diff -r c1bc9415390a -r 290017360158 castle/ast/serialization/__init__.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/castle/ast/serialization/__init__.py Thu Apr 21 14:56:47 2022 +0200
@@ -0,0 +1,16 @@
1+
2+
3+class Serialize ():
4+
5+ def __new__(cls, strategy=None):
6+ if strategy is None:
7+ return object.__new__(cls)
8+ if str(strategy).upper() == "XML":
9+ from .ast2xml import XML_Serialize
10+ return XML_Serialize()
11+ else:
12+ raise NotImplementedError(f"No Serializer of {strategy} available")
13+
14+ def serialize(self, ast):
15+ raise NotImplementedError(f"Implement in subclass")
16+
diff -r c1bc9415390a -r 290017360158 castle/ast/serialization/ast2xml.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/castle/ast/serialization/ast2xml.py Thu Apr 21 14:56:47 2022 +0200
@@ -0,0 +1,117 @@
1+""" Support to translate an AST into XML.
2+This file should be used directly, instead use :class:`castle.ast.serialization.Serialize` as in ``Serialize('XML')``
3+"""
4+
5+import logging; logger = logging.getLogger(__name__)
6+from castle.ast import serialization
7+from xml.etree import ElementTree as ET
8+
9+
10+class XML_Serialize(serialization.Serialize):
11+ def serialize(self, ast) -> str:
12+ logger.debug(f"serialize:: ast={ast._valType(ast)}")
13+
14+ tree = self._ast2xml(ast)
15+ return ET.tostring(tree, encoding="unicode")
16+
17+
18+ def _ast2xml(self, ast, parent=None) -> ET.Element:
19+ if parent is None:
20+ parent = ET.Element('AST2XML', version="0.0")
21+
22+ method_name = f'{type(ast).__name__}2xml'
23+ visitor = getattr(self, method_name, None)
24+ logger.debug(f'_ast2xml:: visitor={visitor}')
25+
26+ if visitor:
27+ visitor(ast=ast, parent=parent) # Grow the tree
28+ else:
29+ logger.info(f'No visitor >>{method_name}<<, skipping ... (fingers crossed)')
30+ return parent
31+
32+
33+ def ID2xml(self, ast, parent) ->None:
34+ logger.debug(f"ID2xml:: ast={ast._valType(ast)} parent={parent} ast.name={ast.name}")
35+ ET.SubElement(parent, 'ID', name=ast.name)
36+
37+
38+#NO_VISITOR_NEEDED: PEG2xml ## Pure Abstract
39+#NO_VISITOR_NEEDED: MixIn_value_attribute2xml ## MixIn
40+#NO_VISITOR_NEEDED: MixIn_expr_attribute2xml ## MixIn
41+#NO_VISITOR_NEEDED: MixIn_children_tuple2xml ## MixIn
42+#NO_VISITOR_NEEDED: Terminal2xml ## Pure Abstract
43+#NO_VISITOR_NEEDED: NonTerminal2xml ## Pure Abstract
44+#NO_VISITOR_NEEDED: Expression2xml ## Pure Abstract
45+#NO_VISITOR_NEEDED: Predicate2xml ## Pure Abstract
46+#NO_VISITOR_NEEDED: Group2xml ## Pure Abstract
47+#NO_VISITOR_NEEDED: Markers2xml ## Pure Abstract
48+#NO_VISITOR_NEEDED: Quantity2xml ## Pure Abstract
49+#NO_VISITOR_NEEDED: EOF2xml ## Not a real token
50+#NO_VISITOR_NEEDED: ParseRules2xml ## Handle in Rules2xml
51+#NO_VISITOR_NEEDED: Settings2xml ## Handle in Rules2xml
52+
53+
54+ def _MixIn_value_attribute2xml(self, ast, parent, cls_name):
55+ logger.debug(f"{cls_name}2xml:: ast={ast._valType(ast.value)}")
56+ ET.SubElement(parent, cls_name, value=ast.value)
57+
58+ def StrTerm2xml(self, ast, parent): self._MixIn_value_attribute2xml(ast, parent, 'StrTerm')
59+ def RegExpTerm2xml(self, ast, parent): self._MixIn_value_attribute2xml(ast, parent, 'RegExpTerm')
60+
61+ def Sequence2xml(self, ast, parent) ->None:
62+ logger.debug(f"Sequence2xml::ast={ast._valType(ast._children)}")
63+ seq = ET.SubElement(parent, 'Sequence')
64+ for elm in ast:
65+ self._ast2xml(elm, parent=seq)
66+
67+ def Rule2xml(self, ast, parent) ->None:
68+ logger.debug(f"Rule2xml:: ast:Rule.name={ast.name.name}")
69+ rule = ET.SubElement(parent, 'Rule', name=ast.name.name)
70+ self._ast2xml(ast.expr, parent=rule)
71+
72+ def Rules2xml(self, ast, parent) ->None:
73+ logger.debug(f"Rules2xml:: ast[{len(ast)}]")
74+ for child in ast:
75+ logger.debug(f'Rules2xml type(child)={type(child)}')
76+ self._ast2xml(child, parent=parent)
77+
78+ def _quantity_op2xml(self, ast, parent, tagName) -> None:
79+ g = ET.SubElement(parent, tagName)
80+ self._ast2xml(ast.expr, g)
81+
82+ def UnorderedGroup2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'UnorderedGroup')
83+ def Optional2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'Optional')
84+ def ZeroOrMore2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'ZeroOrMore')
85+ def OneOrMore2xml(self, ast, parent): self._quantity_op2xml(ast, parent, 'OneOrMore')
86+
87+
88+ def OrderedChoice2xml(self, ast, parent) ->None:
89+ oc = ET.SubElement(parent, 'OrderedChoice')
90+ for c in ast:
91+ self._ast2xml(c,oc)
92+
93+ def _Predicate2xml(self, ast, parent, tagName) ->None:
94+ logger.debug(f"_Predicate2xml.{tagName}:: expr: {ast.expr}:{type(ast.expr).__name__}")
95+ predicate = ET.SubElement(parent, tagName)
96+ self._ast2xml(ast.expr, predicate)
97+
98+ def AndPredicate2xml(self, ast, parent): self._Predicate2xml(ast, parent,'AndPredicate')
99+ def NotPredicate2xml(self, ast, parent): self._Predicate2xml(ast, parent,'NotPredicate')
100+
101+
102+ def Number2xml(self, ast, parent) ->None:
103+ logger.debug(f"Number2xml:: ast: {ast}:{type(ast).__name__}")
104+ n = ET.SubElement(parent, 'Number')
105+ n.text=ast.value
106+
107+
108+ def Setting2xml(self, ast, parent) ->None:
109+ logger.debug(f"Setting2xml:: ast: {ast}:{type(ast).__name__}")
110+ setting = ET.SubElement(parent, 'Setting')
111+ self._ast2xml(ast.name, setting)
112+ self._ast2xml(ast.value, setting)
113+
114+ def Grammar2xml(self, ast, parent) ->None:
115+ g = ET.SubElement(parent, 'Grammar', no_parse_rules=str(len(ast.parse_rules)), no_settings=str(len(ast.settings)))
116+ self._ast2xml(ast._all_rules, g)
117+