diff options
| -rw-r--r-- | scripts/codeconverter/codeconverter/patching.py | 193 | ||||
| -rw-r--r-- | scripts/codeconverter/codeconverter/qom_macros.py | 327 | ||||
| -rw-r--r-- | scripts/codeconverter/codeconverter/qom_type_info.py | 741 | ||||
| -rw-r--r-- | scripts/codeconverter/codeconverter/test_patching.py | 3 | ||||
| -rw-r--r-- | scripts/codeconverter/codeconverter/test_regexps.py | 26 | ||||
| -rwxr-xr-x | scripts/codeconverter/converter.py | 12 |
6 files changed, 1057 insertions, 245 deletions
diff --git a/scripts/codeconverter/codeconverter/patching.py b/scripts/codeconverter/codeconverter/patching.py index 627a1a1..9e92505 100644 --- a/scripts/codeconverter/codeconverter/patching.py +++ b/scripts/codeconverter/codeconverter/patching.py @@ -5,7 +5,7 @@ # # This work is licensed under the terms of the GNU GPL, version 2. See # the COPYING file in the top-level directory. -from typing import IO, Match, NamedTuple, Optional, Literal, Iterable, Type, Dict, List, Any, TypeVar, NewType, Tuple +from typing import IO, Match, NamedTuple, Optional, Literal, Iterable, Type, Dict, List, Any, TypeVar, NewType, Tuple, Union from pathlib import Path from itertools import chain from tempfile import NamedTemporaryFile @@ -47,7 +47,7 @@ class FileMatch: def __init__(self, f: 'FileInfo', m: Match) -> None: self.file: 'FileInfo' = f - self.match: Match = m + self.match: Match[str] = m @property def name(self) -> str: @@ -68,8 +68,13 @@ class FileMatch: def line_col(self) -> LineAndColumn: return self.file.line_col(self.start()) - def group(self, *args): - return self.match.group(*args) + def group(self, group: Union[int, str]) -> str: + return self.match.group(group) + + def getgroup(self, group: str) -> Optional[str]: + if group not in self.match.groupdict(): + return None + return self.match.group(group) def log(self, level, fmt, *args) -> None: pos = self.line_col() @@ -163,18 +168,51 @@ class FileMatch: raise NotImplementedError() @classmethod - def find_matches(klass, content: str) -> Iterable[Match]: - """Generate match objects for class + def finditer(klass, content: str, pos=0, endpos=-1) -> Iterable[Match]: + """Helper for re.finditer()""" + if endpos >= 0: + content = content[:endpos] + return klass.compiled_re().finditer(content, pos) - Might be reimplemented by subclasses if they - intend to look for matches using a different method. - """ - return klass.compiled_re().finditer(content) + @classmethod + def domatch(klass, content: str, pos=0, endpos=-1) -> Optional[Match]: + """Helper for re.match()""" + if endpos >= 0: + content = content[:endpos] + return klass.compiled_re().match(content, pos) + + def group_finditer(self, klass: Type['FileMatch'], group: Union[str, int]) -> Iterable['FileMatch']: + assert self.file.original_content + return (klass(self.file, m) + for m in klass.finditer(self.file.original_content, + self.match.start(group), + self.match.end(group))) + + def try_group_match(self, klass: Type['FileMatch'], group: Union[str, int]) -> Optional['FileMatch']: + assert self.file.original_content + m = klass.domatch(self.file.original_content, + self.match.start(group), + self.match.end(group)) + if not m: + return None + else: + return klass(self.file, m) + + def group_match(self, group: Union[str, int]) -> 'FileMatch': + m = self.try_group_match(FullMatch, group) + assert m + return m @property def allfiles(self) -> 'FileList': return self.file.allfiles +class FullMatch(FileMatch): + """Regexp that will match all contents of string + Useful when used with group_match() + """ + regexp = r'(?s).*' # (?s) is re.DOTALL + def all_subclasses(c: Type[FileMatch]) -> Iterable[Type[FileMatch]]: for sc in c.__subclasses__(): yield sc @@ -201,7 +239,15 @@ def apply_patches(s: str, patches: Iterable[Patch]) -> str: """ r = StringIO() last = 0 - for p in sorted(patches): + def patch_sort_key(item: Tuple[int, Patch]) -> Tuple[int, int, int]: + """Patches are sorted by byte position, + patches at the same byte position are applied in the order + they were generated. + """ + i,p = item + return (p.start, p.end, i) + + for i,p in sorted(enumerate(patches), key=patch_sort_key): DBG("Applying patch at position %d (%s) - %d (%s): %r", p.start, line_col(s, p.start), p.end, line_col(s, p.end), @@ -220,26 +266,35 @@ class RegexpScanner: self.match_index: Dict[Type[Any], List[FileMatch]] = {} self.match_name_index: Dict[Tuple[Type[Any], str, str], Optional[FileMatch]] = {} - def _find_matches(self, klass: Type[Any]) -> Iterable[FileMatch]: + def _matches_of_type(self, klass: Type[Any]) -> Iterable[FileMatch]: raise NotImplementedError() def matches_of_type(self, t: Type[T]) -> List[T]: if t not in self.match_index: - self.match_index[t] = list(self._find_matches(t)) - return self.match_index[t] # type: ignore + self.match_index[t] = list(self._matches_of_type(t)) + return self.match_index[t] # type: ignore - def find_match(self, t: Type[T], name: str, group: str='name') -> Optional[T]: + def find_matches(self, t: Type[T], name: str, group: str='name') -> List[T]: indexkey = (t, name, group) if indexkey in self.match_name_index: return self.match_name_index[indexkey] # type: ignore - r: Optional[T] = None + r: List[T] = [] for m in self.matches_of_type(t): assert isinstance(m, FileMatch) - if m.group(group) == name: - r = m # type: ignore + if m.getgroup(group) == name: + r.append(m) # type: ignore self.match_name_index[indexkey] = r # type: ignore return r + def find_match(self, t: Type[T], name: str, group: str='name') -> Optional[T]: + l = self.find_matches(t, name, group) + if not l: + return None + if len(l) > 1: + logger.warn("multiple matches found for %r (%s=%r)", t, group, name) + return None + return l[0] + def reset_index(self) -> None: self.match_index.clear() self.match_name_index.clear() @@ -258,18 +313,22 @@ class FileInfo(RegexpScanner): def __repr__(self) -> str: return f'<FileInfo {repr(self.filename)}>' + def filename_matches(self, name: str) -> bool: + nameparts = Path(name).parts + return self.filename.parts[-len(nameparts):] == nameparts + def line_col(self, start: int) -> LineAndColumn: """Return line and column for a match object inside original_content""" return line_col(self.original_content, start) - def _find_matches(self, klass: Type[Any]) -> List[FileMatch]: + def _matches_of_type(self, klass: Type[Any]) -> List[FileMatch]: """Build FileMatch objects for each match of regexp""" if not hasattr(klass, 'regexp') or klass.regexp is None: return [] assert hasattr(klass, 'regexp') DBG("%s: scanning for %s", self.filename, klass.__name__) DBG("regexp: %s", klass.regexp) - matches = [klass(self, m) for m in klass.find_matches(self.original_content)] + matches = [klass(self, m) for m in klass.finditer(self.original_content)] DBG('%s: %d matches found for %s: %s', self.filename, len(matches), klass.__name__,' '.join(names(matches))) return matches @@ -277,7 +336,7 @@ class FileInfo(RegexpScanner): def find_match(self, t: Type[T], name: str, group: str='name') -> Optional[T]: for m in self.matches_of_type(t): assert isinstance(m, FileMatch) - if m.group(group) == name: + if m.getgroup(group) == name: return m # type: ignore return None @@ -299,7 +358,16 @@ class FileInfo(RegexpScanner): return (m for l in lists for m in l) - def scan_for_matches(self, class_names: Optional[List[str]]=None) -> None: + def gen_patches(self, matches: List[FileMatch]) -> None: + for m in matches: + DBG("Generating patches for %r", m) + for i,p in enumerate(m.gen_patches()): + DBG("patch %d generated by %r:", i, m) + DBG("replace contents at %s-%s with %r", + self.line_col(p.start), self.line_col(p.end), p.replacement) + self.patches.append(p) + + def scan_for_matches(self, class_names: Optional[List[str]]=None) -> Iterable[FileMatch]: DBG("class names: %r", class_names) class_dict = match_class_dict() if class_names is None: @@ -309,40 +377,9 @@ class FileInfo(RegexpScanner): DBG("class_names: %r", class_names) for cn in class_names: matches = self.matches_of_type(class_dict[cn]) - if len(matches) > 0: - DBG('%s: %d matches found for %s: %s', self.filename, - len(matches), cn, ' '.join(names(matches))) - - def gen_patches(self) -> None: - for m in self.all_matches: - for i,p in enumerate(m.gen_patches()): - DBG("patch %d generated by %r:", i, m) - DBG("replace contents at %s-%s with %r", - self.line_col(p.start), self.line_col(p.end), p.replacement) - self.patches.append(p) - - def patch_content(self, max_passes=0, class_names: Optional[List[str]]=None) -> None: - """Multi-pass content patching loop - - We run multiple passes because there are rules that will - delete init functions once they become empty. - """ - passes = 0 - total_patches = 0 - DBG("max_passes: %r", max_passes) - while not max_passes or max_passes <= 0 or passes < max_passes: - passes += 1 - self.scan_for_matches(class_names) - self.gen_patches() - DBG("patch content: pass %d: %d patches generated", passes, len(self.patches)) - total_patches += len(self.patches) - if not self.patches: - break - try: - self.apply_patches() - except PatchingError: - logger.exception("%s: failed to patch file", self.filename) - DBG("%s: %d patches applied total in %d passes", self.filename, total_patches, passes) + DBG('%d matches found for %s: %s', + len(matches), cn, ' '.join(names(matches))) + yield from matches def apply_patches(self) -> None: """Replace self.original_content after applying patches from self.patches""" @@ -384,14 +421,46 @@ class FileList(RegexpScanner): def __iter__(self): return iter(self.files) - def _find_matches(self, klass: Type[Any]) -> Iterable[FileMatch]: - return chain(*(f._find_matches(klass) for f in self.files)) + def _matches_of_type(self, klass: Type[Any]) -> Iterable[FileMatch]: + return chain(*(f._matches_of_type(klass) for f in self.files)) - def find_file(self, name) -> Optional[FileInfo]: + def find_file(self, name: str) -> Optional[FileInfo]: """Get file with path ending with @name""" - nameparts = Path(name).parts for f in self.files: - if f.filename.parts[:len(nameparts)] == nameparts: + if f.filename_matches(name): return f else: - return None
\ No newline at end of file + return None + + def one_pass(self, class_names: List[str]) -> int: + total_patches = 0 + for f in self.files: + INFO("Scanning file %s", f.filename) + matches = list(f.scan_for_matches(class_names)) + INFO("Generating patches for file %s", f.filename) + f.gen_patches(matches) + total_patches += len(f.patches) + if total_patches: + for f in self.files: + try: + f.apply_patches() + except PatchingError: + logger.exception("%s: failed to patch file", f.filename) + return total_patches + + def patch_content(self, max_passes, class_names: List[str]) -> None: + """Multi-pass content patching loop + + We run multiple passes because there are rules that will + delete init functions once they become empty. + """ + passes = 0 + total_patches = 0 + DBG("max_passes: %r", max_passes) + while not max_passes or max_passes <= 0 or passes < max_passes: + passes += 1 + INFO("Running pass: %d", passes) + count = self.one_pass(class_names) + DBG("patch content: pass %d: %d patches generated", passes, count) + total_patches += count + DBG("%d patches applied total in %d passes", total_patches, passes) diff --git a/scripts/codeconverter/codeconverter/qom_macros.py b/scripts/codeconverter/codeconverter/qom_macros.py index 68a33d5..2d2f205 100644 --- a/scripts/codeconverter/codeconverter/qom_macros.py +++ b/scripts/codeconverter/codeconverter/qom_macros.py @@ -23,16 +23,24 @@ WARN = logger.warning RE_CONSTANT = OR(RE_STRING, RE_NUMBER) -class ConstantDefine(FileMatch): - """Simple #define preprocessor directive for a constant""" - # if the macro contents are very simple, it might be included - # in the match group 'value' +class DefineDirective(FileMatch): + """Match any #define directive""" + regexp = S(r'^[ \t]*#[ \t]*define', CPP_SPACE, NAMED('name', RE_IDENTIFIER), r'\b') + +class ExpressionDefine(FileMatch): + """Simple #define preprocessor directive for an expression""" regexp = S(r'^[ \t]*#[ \t]*define', CPP_SPACE, NAMED('name', RE_IDENTIFIER), - CPP_SPACE, NAMED('value', RE_CONSTANT), r'[ \t]*\n') + CPP_SPACE, NAMED('value', RE_EXPRESSION), r'[ \t]*\n') def provided_identifiers(self) -> Iterable[RequiredIdentifier]: yield RequiredIdentifier('constant', self.group('name')) +class ConstantDefine(ExpressionDefine): + """Simple #define preprocessor directive for a number or string constant""" + regexp = S(r'^[ \t]*#[ \t]*define', CPP_SPACE, NAMED('name', RE_IDENTIFIER), + CPP_SPACE, NAMED('value', RE_CONSTANT), r'[ \t]*\n') + + class TypeIdentifiers(NamedTuple): """Type names found in type declarations""" # TYPE_MYDEVICE @@ -236,13 +244,12 @@ class TypeCheckMacro(FileMatch): """OBJECT_CHECK/OBJECT_CLASS_CHECK/OBJECT_GET_CLASS macro definitions Will be replaced by DECLARE_*_CHECKERS macro """ - #TODO: handle and convert INTERFACE_CHECK macros regexp = RE_CHECK_MACRO @property def checker(self) -> CheckerMacroName: """Name of checker macro being used""" - return self.group('checker') + return self.group('checker') # type: ignore @property def typedefname(self) -> Optional[str]: @@ -330,6 +337,8 @@ class TypeCheckMacro(FileMatch): instancetype=instancetype, uppercase=uppercase) def gen_patches(self) -> Iterable[Patch]: + # the implementation is a bit tricky because we need to group + # macros dealing with the same type into a single declaration if self.type_identifiers is None: self.warn("couldn't extract type information from macro %s", self.name) return @@ -426,10 +435,61 @@ class TypeCheckMacro(FileMatch): yield self.prepend("/* FIXME: %s */\n" % (issue)) yield self.append(new_decl) -class DeclareInstanceChecker(FileMatch): - """DECLARE_INSTANCE_CHECKER use - Will be replaced with DECLARE_OBJ_CHECKERS if possible +class InterfaceCheckMacro(FileMatch): + """Type checking macro using INTERFACE_CHECK + Will be replaced by DECLARE_INTERFACE_CHECKER """ + regexp = S(RE_MACRO_DEFINE, + 'INTERFACE_CHECK', + r'\s*\(\s*', OR(NAMED('instancetype', RE_IDENTIFIER), RE_TYPE, name='c_type'), + r'\s*,', CPP_SPACE, + OPTIONAL_PARS(RE_IDENTIFIER), r',', CPP_SPACE, + NAMED('qom_typename', RE_IDENTIFIER), r'\s*\)\n') + + def required_identifiers(self) -> Iterable[RequiredIdentifier]: + yield RequiredIdentifier('include', '"qom/object.h"') + yield RequiredIdentifier('type', self.group('instancetype')) + yield RequiredIdentifier('constant', self.group('qom_typename')) + + def gen_patches(self) -> Iterable[Patch]: + if self.file.filename_matches('qom/object.h'): + self.debug("skipping object.h") + return + + typename = self.group('qom_typename') + uppercase = self.name + instancetype = self.group('instancetype') + c = f"DECLARE_INTERFACE_CHECKER({instancetype}, {uppercase},\n"+\ + f" {typename})\n" + yield self.make_patch(c) + + +class TypeDeclaration(FileMatch): + """Parent class to all type declarations""" + @property + def instancetype(self) -> Optional[str]: + return self.getgroup('instancetype') + + @property + def classtype(self) -> Optional[str]: + return self.getgroup('classtype') + + @property + def typename(self) -> Optional[str]: + return self.getgroup('typename') + +class TypeCheckerDeclaration(TypeDeclaration): + """Parent class to all type checker declarations""" + @property + def typename(self) -> str: + return self.group('typename') + + @property + def uppercase(self) -> str: + return self.group('uppercase') + +class DeclareInstanceChecker(TypeCheckerDeclaration): + """DECLARE_INSTANCE_CHECKER use""" #TODO: replace lonely DECLARE_INSTANCE_CHECKER with DECLARE_OBJ_CHECKERS # if all types are found. # This will require looking up the correct class type in the TypeInfo @@ -445,8 +505,45 @@ class DeclareInstanceChecker(FileMatch): yield RequiredIdentifier('constant', self.group('typename')) yield RequiredIdentifier('type', self.group('instancetype')) -class DeclareClassCheckers(FileMatch): - """DECLARE_INSTANCE_CHECKER use""" +class DeclareInterfaceChecker(TypeCheckerDeclaration): + """DECLARE_INTERFACE_CHECKER use""" + regexp = S(r'^[ \t]*DECLARE_INTERFACE_CHECKER\s*\(\s*', + NAMED('instancetype', RE_TYPE), r'\s*,\s*', + NAMED('uppercase', RE_IDENTIFIER), r'\s*,\s*', + OR(RE_IDENTIFIER, RE_STRING, RE_MACRO_CONCAT, RE_FUN_CALL, name='typename'), SP, + r'\)[ \t]*;?[ \t]*\n') + + def required_identifiers(self) -> Iterable[RequiredIdentifier]: + yield RequiredIdentifier('include', '"qom/object.h"') + yield RequiredIdentifier('constant', self.group('typename')) + yield RequiredIdentifier('type', self.group('instancetype')) + +class DeclareInstanceType(TypeDeclaration): + """DECLARE_INSTANCE_TYPE use""" + regexp = S(r'^[ \t]*DECLARE_INSTANCE_TYPE\s*\(\s*', + NAMED('uppercase', RE_IDENTIFIER), r'\s*,\s*', + NAMED('instancetype', RE_TYPE), SP, + r'\)[ \t]*;?[ \t]*\n') + + def required_identifiers(self) -> Iterable[RequiredIdentifier]: + yield RequiredIdentifier('include', '"qom/object.h"') + yield RequiredIdentifier('type', self.group('instancetype')) + +class DeclareClassType(TypeDeclaration): + """DECLARE_CLASS_TYPE use""" + regexp = S(r'^[ \t]*DECLARE_CLASS_TYPE\s*\(\s*', + NAMED('uppercase', RE_IDENTIFIER), r'\s*,\s*', + NAMED('classtype', RE_TYPE), SP, + r'\)[ \t]*;?[ \t]*\n') + + def required_identifiers(self) -> Iterable[RequiredIdentifier]: + yield RequiredIdentifier('include', '"qom/object.h"') + yield RequiredIdentifier('type', self.group('classtype')) + + + +class DeclareClassCheckers(TypeCheckerDeclaration): + """DECLARE_CLASS_CHECKER use""" regexp = S(r'^[ \t]*DECLARE_CLASS_CHECKERS\s*\(\s*', NAMED('classtype', RE_TYPE), r'\s*,\s*', NAMED('uppercase', RE_IDENTIFIER), r'\s*,\s*', @@ -458,10 +555,8 @@ class DeclareClassCheckers(FileMatch): yield RequiredIdentifier('constant', self.group('typename')) yield RequiredIdentifier('type', self.group('classtype')) -class DeclareObjCheckers(FileMatch): - """DECLARE_OBJ_CHECKERS use - Will be replaced with OBJECT_DECLARE_TYPE if possible - """ +class DeclareObjCheckers(TypeCheckerDeclaration): + """DECLARE_OBJ_CHECKERS use""" #TODO: detect when OBJECT_DECLARE_SIMPLE_TYPE can be used regexp = S(r'^[ \t]*DECLARE_OBJ_CHECKERS\s*\(\s*', NAMED('instancetype', RE_TYPE), r'\s*,\s*', @@ -476,44 +571,121 @@ class DeclareObjCheckers(FileMatch): yield RequiredIdentifier('type', self.group('classtype')) yield RequiredIdentifier('type', self.group('instancetype')) - def gen_patches(self): - ids = TypeIdentifiers(uppercase=self.group('uppercase'), - typename=self.group('typename'), - classtype=self.group('classtype'), - instancetype=self.group('instancetype')) - issues = ids.check_consistency() - if issues: - for i in issues: - self.warn("inconsistent identifiers: %s", i) +class TypeDeclarationFixup(FileMatch): + """Common base class for code that will look at a set of type declarations""" + regexp = RE_FILE_BEGIN + def gen_patches(self) -> Iterable[Patch]: + if self.file.filename_matches('qom/object.h'): + self.debug("skipping object.h") return - if self.group('typename') != 'TYPE_'+self.group('uppercase'): - self.warn("type %s mismatch with uppercase name %s", ids.typename, ids.uppercase) - return + # group checkers by uppercase name: + decl_types: List[Type[TypeDeclaration]] = [DeclareInstanceChecker, DeclareInstanceType, + DeclareClassCheckers, DeclareClassType, + DeclareObjCheckers] + checker_dict: Dict[str, List[TypeDeclaration]] = {} + for t in decl_types: + for m in self.file.matches_of_type(t): + checker_dict.setdefault(m.group('uppercase'), []).append(m) + self.debug("checker_dict: %r", checker_dict) + for uppercase,checkers in checker_dict.items(): + fields = ('instancetype', 'classtype', 'uppercase', 'typename') + fvalues = dict((field, set(getattr(m, field) for m in checkers + if getattr(m, field, None) is not None)) + for field in fields) + for field,values in fvalues.items(): + if len(values) > 1: + for c in checkers: + c.warn("%s mismatch (%s)", field, ' '.join(values)) + return - typedefs = [(t,self.file.find_match(SimpleTypedefMatch, t)) - for t in (ids.instancetype, ids.classtype)] - for t,td in typedefs: - if td is None: - self.warn("typedef %s not found", t) - break - if td.start() > self.start(): - self.warn("typedef %s needs to be move earlier in the file", t) - break - #HACK: check if typedef is used between its definition and the macro - #TODO: check if the only match is inside the "struct { ... }" declaration - if re.search(r'\b'+t+r'\b', self.file.original_content[td.end():self.start()]): - self.warn("typedef %s can't be moved, it is used before the macro", t) - break - else: - for t,td in typedefs: - yield td.make_removal_patch() + field_dict = dict((f, v.pop() if v else None) for f,v in fvalues.items()) + yield from self.gen_patches_for_type(uppercase, checkers, field_dict) + + def find_conflicts(self, uppercase: str, checkers: List[TypeDeclaration]) -> bool: + """Look for conflicting declarations that would make it unsafe to add new ones""" + conflicting: List[FileMatch] = [] + # conflicts in the same file: + conflicting.extend(chain(self.file.find_matches(DefineDirective, uppercase), + self.file.find_matches(DeclareInterfaceChecker, uppercase, 'uppercase'), + self.file.find_matches(DeclareClassType, uppercase, 'uppercase'), + self.file.find_matches(DeclareInstanceType, uppercase, 'uppercase'))) + + # conflicts in another file: + conflicting.extend(o for o in chain(self.allfiles.find_matches(DeclareInstanceChecker, uppercase, 'uppercase'), + self.allfiles.find_matches(DeclareClassCheckers, uppercase, 'uppercase'), + self.allfiles.find_matches(DeclareInterfaceChecker, uppercase, 'uppercase'), + self.allfiles.find_matches(DefineDirective, uppercase)) + if o is not None and o.file != self.file + # if both are .c files, there's no conflict at all: + and not (o.file.filename.suffix == '.c' and + self.file.filename.suffix == '.c')) + + if conflicting: + for c in checkers: + c.warn("skipping due to conflicting %s macro", uppercase) + for o in conflicting: + if o is None: + continue + o.warn("conflicting %s macro is here", uppercase) + return True - lowercase = ids.uppercase.lower() - # all is OK, we can replace the macro! - c = (f'OBJECT_DECLARE_TYPE({ids.instancetype}, {ids.classtype},\n' - f' {lowercase}, {ids.uppercase})\n') - yield self.make_patch(c) + return False + + def gen_patches_for_type(self, uppercase: str, + checkers: List[TypeDeclaration], + fields: Dict[str, Optional[str]]) -> Iterable[Patch]: + """Should be reimplemented by subclasses""" + return + yield + +class DeclareVoidTypes(TypeDeclarationFixup): + """Add DECLARE_*_TYPE(..., void) when there's no declared type""" + regexp = RE_FILE_BEGIN + def gen_patches_for_type(self, uppercase: str, + checkers: List[TypeDeclaration], + fields: Dict[str, Optional[str]]) -> Iterable[Patch]: + if self.find_conflicts(uppercase, checkers): + return + + #_,last_checker = max((m.start(), m) for m in checkers) + _,first_checker = min((m.start(), m) for m in checkers) + + if not any(m.instancetype for m in checkers): + yield first_checker.prepend(f'DECLARE_INSTANCE_TYPE({uppercase}, void)\n') + if not any(m.classtype for m in checkers): + yield first_checker.prepend(f'DECLARE_CLASS_TYPE({uppercase}, void)\n') + + #if not all(len(v) == 1 for v in fvalues.values()): + # return + # + #final_values = dict((field, values.pop()) + # for field,values in fvalues.items()) + #s = (f"DECLARE_OBJ_CHECKERS({final_values['instancetype']}, {final_values['classtype']},\n"+ + # f" {final_values['uppercase']}, {final_values['typename']})\n") + #for c in checkers: + # yield c.make_removal_patch() + #yield last_checker.append(s) + + +class AddDeclareTypeName(TypeDeclarationFixup): + """Add DECLARE_TYPE_NAME declarations if necessary""" + def gen_patches_for_type(self, uppercase: str, + checkers: List[TypeDeclaration], + fields: Dict[str, Optional[str]]) -> Iterable[Patch]: + typename = fields.get('typename') + if typename is None: + self.warn("typename unavailable") + return + if typename == f'TYPE_{uppercase}': + self.info("already using TYPE_%s as type name", uppercase) + return + if self.file.find_match(DeclareTypeName, uppercase, 'uppercase'): + self.info("type name for %s already declared", uppercase) + return + _,first_checker = min((m.start(), m) for m in checkers) + s = f'DECLARE_TYPE_NAME({uppercase}, {typename})\n' + yield first_checker.prepend(s) class TrivialClassStruct(FileMatch): """Trivial class struct""" @@ -527,14 +699,13 @@ class DeclareTypeName(FileMatch): OR(RE_IDENTIFIER, RE_STRING, RE_MACRO_CONCAT, RE_FUN_CALL, name='typename'), r'\s*\);?[ \t]*\n') -class ObjectDeclareType(FileMatch): +class ObjectDeclareType(TypeCheckerDeclaration): """OBJECT_DECLARE_TYPE usage Will be replaced with OBJECT_DECLARE_SIMPLE_TYPE if possible """ regexp = S(r'^[ \t]*OBJECT_DECLARE_TYPE\s*\(', NAMED('instancetype', RE_TYPE), r'\s*,\s*', NAMED('classtype', RE_TYPE), r'\s*,\s*', - NAMED('lowercase', RE_IDENTIFIER), r'\s*,\s*', NAMED('uppercase', RE_IDENTIFIER), SP, r'\)[ \t]*;?[ \t]*\n') @@ -549,14 +720,42 @@ class ObjectDeclareType(FileMatch): " %(uppercase)s, %(parent_struct)s)\n" % d) yield self.make_patch(c) -def find_type_declaration(files: FileList, typename: str) -> Optional[FileMatch]: - """Find usage of DECLARE*CHECKER macro""" - for c in (DeclareInstanceChecker, DeclareClassCheckers, DeclareObjCheckers, DeclareTypeName): - d = files.find_match(c, name=typename, group='typename') - if d: - return d +class ObjectDeclareSimpleType(TypeCheckerDeclaration): + """OBJECT_DECLARE_SIMPLE_TYPE usage""" + regexp = S(r'^[ \t]*OBJECT_DECLARE_SIMPLE_TYPE\s*\(', + NAMED('instancetype', RE_TYPE), r'\s*,\s*', + NAMED('uppercase', RE_IDENTIFIER), SP, + r'\)[ \t]*;?[ \t]*\n') + +class OldStyleObjectDeclareSimpleType(TypeCheckerDeclaration): + """OBJECT_DECLARE_SIMPLE_TYPE usage (old API)""" + regexp = S(r'^[ \t]*OBJECT_DECLARE_SIMPLE_TYPE\s*\(', + NAMED('instancetype', RE_TYPE), r'\s*,\s*', + NAMED('lowercase', RE_IDENTIFIER), r'\s*,\s*', + NAMED('uppercase', RE_IDENTIFIER), r'\s*,\s*', + NAMED('parent_classtype', RE_TYPE), SP, + r'\)[ \t]*;?[ \t]*\n') + + @property + def classtype(self) -> Optional[str]: + instancetype = self.instancetype + assert instancetype + return f"{instancetype}Class" + +def find_typename_uppercase(files: FileList, typename: str) -> Optional[str]: + """Try to find what's the right MODULE_OBJ_NAME for a given type name""" + decl = files.find_match(DeclareTypeName, name=typename, group='typename') + if decl: + return decl.group('uppercase') + if typename.startswith('TYPE_'): + return typename[len('TYPE_'):] return None +def find_type_checkers(files:FileList, name:str, group:str='uppercase') -> Iterable[TypeCheckerDeclaration]: + """Find usage of DECLARE*CHECKER macro""" + c: Type[TypeCheckerDeclaration] + for c in (DeclareInstanceChecker, DeclareClassCheckers, DeclareObjCheckers, ObjectDeclareType, ObjectDeclareSimpleType): + yield from files.find_matches(c, name=name, group=group) class Include(FileMatch): """#include directive""" @@ -586,9 +785,13 @@ class MoveSymbols(FileMatch): regexp = RE_FILE_BEGIN def gen_patches(self) -> Iterator[Patch]: + if self.file.filename_matches('qom/object.h'): + self.debug("skipping object.h") + return + index: Dict[RequiredIdentifier, SymbolUserList] = {} definition_classes = [SimpleTypedefMatch, FullStructTypedefMatch, ConstantDefine, Include] - user_classes = [TypeCheckMacro, DeclareObjCheckers, DeclareInstanceChecker, DeclareClassCheckers] + user_classes = [TypeCheckMacro, DeclareObjCheckers, DeclareInstanceChecker, DeclareClassCheckers, InterfaceCheckMacro] # first we scan for all symbol definitions and usage: for dc in definition_classes: @@ -650,3 +853,9 @@ class MoveSymbols(FileMatch): definition.warn("definition of %s %s needs to be moved earlier in the file", i.type, i.name) earliest.warn("definition of %s %s is used here", i.type, i.name) + +class EmptyPreprocessorConditional(FileMatch): + """Delete empty preprocessor conditionals""" + regexp = r'^[ \t]*#(if|ifdef)[ \t].*\n+[ \t]*#endif[ \t]*\n' + def gen_patches(self) -> Iterable[Patch]: + yield self.make_removal_patch() diff --git a/scripts/codeconverter/codeconverter/qom_type_info.py b/scripts/codeconverter/codeconverter/qom_type_info.py index fc02058..255cb59 100644 --- a/scripts/codeconverter/codeconverter/qom_type_info.py +++ b/scripts/codeconverter/codeconverter/qom_type_info.py @@ -24,11 +24,6 @@ RE_TI_FIELDS = M(RE_TI_FIELD_INIT) RE_TYPEINFO_START = S(r'^[ \t]*', M(r'(static|const)\s+', name='modifiers'), r'TypeInfo\s+', NAMED('name', RE_IDENTIFIER), r'\s*=\s*{[ \t]*\n') -RE_TYPEINFO_DEF = S(RE_TYPEINFO_START, - M(NAMED('fields', RE_TI_FIELDS), - SP, NAMED('endcomments', RE_COMMENTS), - r'};?\n', - n='?', name='fullspec')) ParsedArray = List[str] ParsedInitializerValue = Union[str, ParsedArray] @@ -36,26 +31,55 @@ class InitializerValue(NamedTuple): raw: str parsed: Optional[ParsedInitializerValue] match: Optional[Match] -TypeInfoInitializers = Dict[str, InitializerValue] - -def parse_array(m: Match) -> ParsedArray: - #DBG('parse_array: %r', m.group(0)) - return [m.group('arrayitem') for m in re.finditer(RE_ARRAY_ITEM, m.group('arrayitems'))] - -def parse_initializer_value(m: Match, s: str) -> InitializerValue: - parsed: Optional[ParsedInitializerValue] = None - #DBG("parse_initializer_value: %r", s) - array = re.match(RE_ARRAY, s) - if array: - parsed = parse_array(array) - return InitializerValue(s, parsed, m) - -class TypeInfoVar(FileMatch): - """TypeInfo variable declaration with initializer - Will be replaced by OBJECT_DEFINE_TYPE_EXTENDED macro - (not implemented yet) + +class ArrayItem(FileMatch): + regexp = RE_ARRAY_ITEM + +class ArrayInitializer(FileMatch): + regexp = RE_ARRAY + + def parsed(self) -> ParsedArray: + #DBG('parse_array: %r', m.group(0)) + return [m.group('arrayitem') for m in self.group_finditer(ArrayItem, 'arrayitems')] + +class FieldInitializer(FileMatch): + regexp = RE_TI_FIELD_INIT + + @property + def raw(self) -> str: + return self.group('value') + + @property + def parsed(self) -> ParsedInitializerValue: + parsed: ParsedInitializerValue = self.raw + #DBG("parse_initializer_value: %r", s) + array = self.try_group_match(ArrayInitializer, 'value') + if array: + assert isinstance(array, ArrayInitializer) + return array.parsed() + return parsed + +TypeInfoInitializers = Dict[str, FieldInitializer] + +class TypeDefinition(FileMatch): + """ + Common base class for type definitions (TypeInfo variables or OBJECT_DEFINE* macros) """ - regexp = RE_TYPEINFO_DEF + @property + def instancetype(self) -> Optional[str]: + return self.group('instancetype') + + @property + def classtype(self) -> Optional[str]: + return self.group('classtype') + + @property + def uppercase(self) -> Optional[str]: + return self.group('uppercase') + + @property + def parent_uppercase(self) -> str: + return self.group('parent_uppercase') @property def initializers(self) -> Optional[TypeInfoInitializers]: @@ -65,14 +89,26 @@ class TypeInfoVar(FileMatch): fields = self.group('fields') if fields is None: return None - d = dict((fm.group('field'), parse_initializer_value(fm, fm.group('value'))) - for fm in re.finditer(RE_TI_FIELD_INIT, fields)) - self._initializers = d - return d + d = dict((fm.group('field'), fm) + for fm in self.group_finditer(FieldInitializer, 'fields')) + self._initializers = d # type: ignore + return self._initializers + + +class TypeInfoVar(TypeDefinition): + """TypeInfo variable declaration with initializer""" + regexp = S(NAMED('begin', RE_TYPEINFO_START), + M(NAMED('fields', RE_TI_FIELDS), + NAMED('endcomments', SP, RE_COMMENTS), + NAMED('end', r'};?\n'), + n='?', name='fullspec')) def is_static(self) -> bool: return 'static' in self.group('modifiers') + def is_const(self) -> bool: + return 'const' in self.group('modifiers') + def is_full(self) -> bool: return bool(self.group('fullspec')) @@ -82,8 +118,46 @@ class TypeInfoVar(FileMatch): return {} return self.initializers - def get_initializer_value(self, field: str) -> InitializerValue: - return self.get_initializers().get(field, InitializerValue('', '', None)) + def get_raw_initializer_value(self, field: str, default: str = '') -> str: + initializers = self.get_initializers() + if field in initializers: + return initializers[field].raw + else: + return default + + @property + def typename(self) -> Optional[str]: + return self.get_raw_initializer_value('name') + + @property + def uppercase(self) -> Optional[str]: + typename = self.typename + if not typename: + return None + if not typename.startswith('TYPE_'): + return None + return typename[len('TYPE_'):] + + @property + def classtype(self) -> Optional[str]: + class_size = self.get_raw_initializer_value('class_size') + if not class_size: + return None + m = re.fullmatch(RE_SIZEOF, class_size) + if not m: + return None + return m.group('sizeoftype') + + @property + def instancetype(self) -> Optional[str]: + instance_size = self.get_raw_initializer_value('instance_size') + if not instance_size: + return None + m = re.fullmatch(RE_SIZEOF, instance_size) + if not m: + return None + return m.group('sizeoftype') + #def extract_identifiers(self) -> Optional[TypeIdentifiers]: # """Try to extract identifiers from names being used""" @@ -116,32 +190,105 @@ class TypeInfoVar(FileMatch): # uppercase=uppercase, lowercase=lowercase, # instancetype=instancetype, classtype=classtype) - def append_field(self, field, value) -> Patch: + def append_field(self, field: str, value: str) -> Patch: """Generate patch appending a field initializer""" content = f' .{field} = {value},\n' - return Patch(self.match.end('fields'), self.match.end('fields'), - content) + fm = self.group_match('fields') + assert fm + return fm.append(content) def patch_field(self, field: str, replacement: str) -> Patch: """Generate patch replacing a field initializer""" - values = self.initializers - assert values - value = values.get(field) + initializers = self.initializers + assert initializers + value = initializers.get(field) assert value - fm = value.match - assert fm - fstart = self.match.start('fields') + fm.start() - fend = self.match.start('fields') + fm.end() - return Patch(fstart, fend, replacement) + return value.make_patch(replacement) + + def remove_field(self, field: str) -> Iterable[Patch]: + initializers = self.initializers + assert initializers + if field in initializers: + yield self.patch_field(field, '') + + def remove_fields(self, *fields: str) -> Iterable[Patch]: + for f in fields: + yield from self.remove_field(f) + + def patch_field_value(self, field: str, replacement: str) -> Patch: + """Replace just the value of a field initializer""" + initializers = self.initializers + assert initializers + value = initializers.get(field) + assert value + vm = value.group_match('value') + assert vm + return vm.make_patch(replacement) + + +class RemoveRedundantClassSize(TypeInfoVar): + """Remove class_size when using OBJECT_DECLARE_SIMPLE_TYPE""" + def gen_patches(self) -> Iterable[Patch]: + initializers = self.initializers + if initializers is None: + return + if 'class_size' not in initializers: + return + + self.debug("Handling %s", self.name) + m = re.fullmatch(RE_SIZEOF, initializers['class_size'].raw) + if not m: + self.warn("%s class_size is not sizeof?", self.name) + return + classtype = m.group('sizeoftype') + if not classtype.endswith('Class'): + self.warn("%s class size type (%s) is not *Class?", self.name, classtype) + return + self.debug("classtype is %s", classtype) + instancetype = classtype[:-len('Class')] + self.debug("intanceypte is %s", instancetype) + self.debug("searching for simpletype declaration using %s as InstanceType", instancetype) + decl = self.allfiles.find_match(OldStyleObjectDeclareSimpleType, + instancetype, 'instancetype') + if not decl: + self.debug("No simpletype declaration found for %s", instancetype) + return + self.debug("Found simple type declaration") + decl.debug("declaration is here") + yield from self.remove_field('class_size') +class RemoveDeclareSimpleTypeArg(OldStyleObjectDeclareSimpleType): + """Remove class_size when using OBJECT_DECLARE_SIMPLE_TYPE""" def gen_patches(self) -> Iterable[Patch]: + c = (f'OBJECT_DECLARE_SIMPLE_TYPE({self.group("instancetype")}, {self.group("lowercase")},\n' + f' {self.group("uppercase")})\n') + yield self.make_patch(c) + +class UseDeclareTypeExtended(TypeInfoVar): + """Replace TypeInfo variable with OBJECT_DEFINE_TYPE_EXTENDED""" + def gen_patches(self) -> Iterable[Patch]: + # this will just ensure the caches for find_match() and matches_for_type() + # will be loaded in advance: + find_type_checkers(self.allfiles, 'xxxxxxxxxxxxxxxxx') + + if not self.is_static(): + self.info("Skipping non-static TypeInfo variable") + return + + type_info_macro = self.file.find_match(TypeInfoMacro, self.name) + if not type_info_macro: + self.warn("TYPE_INFO(%s) line not found", self.name) + return + values = self.initializers if values is None: return if 'name' not in values: self.warn("name not set in TypeInfo variable %s", self.name) return + typename = values['name'].raw + if 'parent' not in values: self.warn("parent not set in TypeInfo variable %s", self.name) return @@ -167,49 +314,403 @@ class TypeInfoVar(FileMatch): self.warn("class_size is set to: %r", values['class_size'].raw) return - #NOTE: this will NOT work after declarations are converted - # to OBJECT_DECLARE* + #for t in (typename, parent_typename): + # if not re.fullmatch(RE_IDENTIFIER, t): + # self.info("type name is not a macro/constant") + # if instancetype or classtype: + # self.warn("macro/constant type name is required for instance/class type") + # if not self.file.force: + # return # Now, the challenge is to find out the right MODULE_OBJ_NAME for the # type and for the parent type - instance_decl = find_type_declaration(self.allfiles, typename) - parent_decl = find_type_declaration(self.allfiles, parent_typename) - self.info("TypeInfo variable for %s is here", typename) - if instance_decl: - instance_decl.info("instance type declaration (%s) is here", instance_decl.match.group('uppercase')) - if parent_decl: - parent_decl.info("parent type declaration (%s) is here", parent_decl.match.group('uppercase')) + uppercase = find_typename_uppercase(self.allfiles, typename) + if not uppercase: + self.info("Can't find right uppercase name for %s", typename) + if instancetype or classtype: + self.warn("Can't find right uppercase name for %s", typename) + self.warn("This will make type validation difficult in the future") + return - ok = True - if (instance_decl is None and (instancetype or classtype)): - self.warn("Can't find where type checkers for %s are declared. We need them to validate sizes of %s", typename, self.name) - ok = False - - if (instance_decl is not None - and 'instancetype' in instance_decl.match.groupdict() - and instancetype != instance_decl.group('instancetype')): - self.warn("type at instance_size is %r. Should instance_size be set to sizeof(%s) ?", - instancetype, instance_decl.group('instancetype')) - instance_decl.warn("Type checker declaration for %s is here", typename) - ok = False - if (instance_decl is not None - and 'classtype' in instance_decl.match.groupdict() - and classtype != instance_decl.group('classtype')): - self.warn("type at class_size is %r. Should class_size be set to sizeof(%s) ?", - classtype, instance_decl.group('classtype')) - instance_decl.warn("Type checker declaration for %s is here", typename) - ok = False - - if not ok: + parent_uppercase = find_typename_uppercase(self.allfiles, parent_typename) + if not parent_uppercase: + self.info("Can't find right uppercase name for parent type (%s)", parent_typename) + if instancetype or classtype: + self.warn("Can't find right uppercase name for parent type (%s)", parent_typename) + self.warn("This will make type validation difficult in the future") return + ok = True + + #checkers: List[TypeCheckerDeclaration] = list(find_type_checkers(self.allfiles, uppercase)) + #for c in checkers: + # c.info("instance type checker declaration (%s) is here", c.group('uppercase')) + #if not checkers: + # self.info("No type checkers declared for %s", uppercase) + # if instancetype or classtype: + # self.warn("Can't find where type checkers for %s (%s) are declared. We will need them to validate sizes of %s", + # typename, uppercase, self.name) + + if not instancetype: + instancetype = 'void' + if not classtype: + classtype = 'void' + + #checker_instancetypes = set(c.instancetype for c in checkers + # if c.instancetype is not None) + #if len(checker_instancetypes) > 1: + # self.warn("ambiguous set of type checkers") + # for c in checkers: + # c.warn("instancetype is %s here", c.instancetype) + # ok = False + #elif len(checker_instancetypes) == 1: + # checker_instancetype = checker_instancetypes.pop() + # DBG("checker instance type: %r", checker_instancetype) + # if instancetype != checker_instancetype: + # self.warn("type at instance_size is %r. Should instance_size be set to sizeof(%s) ?", + # instancetype, checker_instancetype) + # ok = False + #else: + # if instancetype != 'void': + # self.warn("instance type checker for %s (%s) not found", typename, instancetype) + # ok = False + + #checker_classtypes = set(c.classtype for c in checkers + # if c.classtype is not None) + #if len(checker_classtypes) > 1: + # self.warn("ambiguous set of type checkers") + # for c in checkers: + # c.warn("classtype is %s here", c.classtype) + # ok = False + #elif len(checker_classtypes) == 1: + # checker_classtype = checker_classtypes.pop() + # DBG("checker class type: %r", checker_classtype) + # if classtype != checker_classtype: + # self.warn("type at class_size is %r. Should class_size be set to sizeof(%s) ?", + # classtype, checker_classtype) + # ok = False + #else: + # if classtype != 'void': + # self.warn("class type checker for %s (%s) not found", typename, classtype) + # ok = False + + #if not ok: + # for c in checkers: + # c.warn("Type checker declaration for %s (%s) is here", + # typename, type(c).__name__) + # return + #if parent_decl is None: # self.warn("Can't find where parent type %s is declared", parent_typename) + #yield self.prepend(f'DECLARE_TYPE_NAME({uppercase}, {typename})\n') + #if not instancetype: + # yield self.prepend(f'DECLARE_INSTANCE_TYPE({uppercase}, void)\n') + #if not classtype: + # yield self.prepend(f'DECLARE_CLASS_TYPE({uppercase}, void)\n') self.info("%s can be patched!", self.name) - return - yield + replaced_fields = ['name', 'parent', 'instance_size', 'class_size'] + begin = self.group_match('begin') + newbegin = f'OBJECT_DEFINE_TYPE_EXTENDED({self.name},\n' + newbegin += f' {instancetype}, {classtype},\n' + newbegin += f' {uppercase}, {parent_uppercase}' + if set(values.keys()) - set(replaced_fields): + newbegin += ',\n' + yield begin.make_patch(newbegin) + yield from self.remove_fields(*replaced_fields) + end = self.group_match('end') + yield end.make_patch(')\n') + yield type_info_macro.make_removal_patch() + +class ObjectDefineTypeExtended(TypeDefinition): + """OBJECT_DEFINE_TYPE_EXTENDED usage""" + regexp = S(r'^[ \t]*OBJECT_DEFINE_TYPE_EXTENDED\s*\(\s*', + NAMED('name', RE_IDENTIFIER), r'\s*,\s*', + NAMED('instancetype', RE_IDENTIFIER), r'\s*,\s*', + NAMED('classtype', RE_IDENTIFIER), r'\s*,\s*', + NAMED('uppercase', RE_IDENTIFIER), r'\s*,\s*', + NAMED('parent_uppercase', RE_IDENTIFIER), + M(r',\s*\n', + NAMED('fields', RE_TI_FIELDS), + n='?'), + r'\s*\);?\n?') + +class ObjectDefineType(TypeDefinition): + """OBJECT_DEFINE_TYPE usage""" + regexp = S(r'^[ \t]*OBJECT_DEFINE_TYPE\s*\(\s*', + NAMED('lowercase', RE_IDENTIFIER), r'\s*,\s*', + NAMED('uppercase', RE_IDENTIFIER), r'\s*,\s*', + NAMED('parent_uppercase', RE_IDENTIFIER), + M(r',\s*\n', + NAMED('fields', RE_TI_FIELDS), + n='?'), + r'\s*\);?\n?') + +def find_type_definitions(files: FileList, uppercase: str) -> Iterable[TypeDefinition]: + types: List[Type[TypeDefinition]] = [TypeInfoVar, ObjectDefineType, ObjectDefineTypeExtended] + for t in types: + for m in files.matches_of_type(t): + m.debug("uppercase: %s", m.uppercase) + yield from (m for t in types + for m in files.matches_of_type(t) + if m.uppercase == uppercase) + +class AddDeclareVoidClassType(TypeDeclarationFixup): + """Will add DECLARE_CLASS_TYPE(..., void) if possible""" + def gen_patches_for_type(self, uppercase: str, + checkers: List[TypeDeclaration], + fields: Dict[str, Optional[str]]) -> Iterable[Patch]: + defs = list(find_type_definitions(self.allfiles, uppercase)) + if len(defs) > 1: + self.warn("multiple definitions for %s", uppercase) + for d in defs: + d.warn("definition found here") + return + elif len(defs) == 0: + self.warn("type definition for %s not found", uppercase) + return + d = defs[0] + if d.classtype is None: + d.info("definition for %s has classtype, skipping", uppercase) + return + class_type_checkers = [c for c in checkers + if c.classtype is not None] + if class_type_checkers: + for c in class_type_checkers: + c.warn("class type checker for %s is present here", uppercase) + return + + _,last_checker = max((m.start(), m) for m in checkers) + s = f'DECLARE_CLASS_TYPE({uppercase}, void)\n' + yield last_checker.append(s) + +class AddDeclareVoidInstanceType(FileMatch): + """Will add DECLARE_INSTANCE_TYPE(..., void) if possible""" + regexp = S(r'^[ \t]*#[ \t]*define', CPP_SPACE, + NAMED('name', r'TYPE_[a-zA-Z0-9_]+\b'), + CPP_SPACE, r'.*\n') + + def gen_patches(self) -> Iterable[Patch]: + assert self.name.startswith('TYPE_') + uppercase = self.name[len('TYPE_'):] + defs = list(find_type_definitions(self.allfiles, uppercase)) + if len(defs) > 1: + self.warn("multiple definitions for %s", uppercase) + for d in defs: + d.warn("definition found here") + return + elif len(defs) == 0: + self.warn("type definition for %s not found", uppercase) + return + d = defs[0] + instancetype = d.instancetype + if instancetype is not None and instancetype != 'void': + return + + instance_checkers = [c for c in find_type_checkers(self.allfiles, uppercase) + if c.instancetype] + if instance_checkers: + d.warn("instance type checker for %s already declared", uppercase) + for c in instance_checkers: + c.warn("instance checker for %s is here", uppercase) + return + + s = f'DECLARE_INSTANCE_TYPE({uppercase}, void)\n' + yield self.append(s) + +class AddObjectDeclareType(DeclareObjCheckers): + """Will add OBJECT_DECLARE_TYPE(...) if possible""" + def gen_patches(self) -> Iterable[Patch]: + uppercase = self.uppercase + typename = self.group('typename') + instancetype = self.group('instancetype') + classtype = self.group('classtype') + + if typename != f'TYPE_{uppercase}': + self.warn("type name mismatch: %s vs %s", typename, uppercase) + return + + typedefs = [(t,self.allfiles.find_matches(SimpleTypedefMatch, t)) + for t in (instancetype, classtype)] + for t,tds in typedefs: + if not tds: + self.warn("typedef %s not found", t) + return + for td in tds: + td_type = td.group('typedef_type') + if td_type != f'struct {t}': + self.warn("typedef mismatch: %s is defined as %s", t, td_type) + td.warn("typedef is here") + return + + # look for reuse of same struct type + other_instance_checkers = [c for c in find_type_checkers(self.allfiles, instancetype, 'instancetype') + if c.uppercase != uppercase] + if other_instance_checkers: + self.warn("typedef %s is being reused", instancetype) + for ic in other_instance_checkers: + ic.warn("%s is reused here", instancetype) + if not self.file.force: + return + + decl_types: List[Type[TypeDeclaration]] = [DeclareClassCheckers, DeclareObjCheckers] + class_decls = [m for t in decl_types + for m in self.allfiles.find_matches(t, uppercase, 'uppercase')] + + defs = list(find_type_definitions(self.allfiles, uppercase)) + if len(defs) > 1: + self.warn("multiple definitions for %s", uppercase) + for d in defs: + d.warn("definition found here") + if not self.file.force: + return + elif len(defs) == 0: + self.warn("type definition for %s not found", uppercase) + if not self.file.force: + return + else: + d = defs[0] + if d.instancetype != instancetype: + self.warn("mismatching instance type for %s (%s)", uppercase, instancetype) + d.warn("instance type declared here (%s)", d.instancetype) + if not self.file.force: + return + if d.classtype != classtype: + self.warn("mismatching class type for %s (%s)", uppercase, classtype) + d.warn("class type declared here (%s)", d.classtype) + if not self.file.force: + return + + assert self.file.original_content + for t,tds in typedefs: + assert tds + for td in tds: + if td.file is not self.file: + continue + + # delete typedefs that are truly redundant: + # 1) defined after DECLARE_OBJ_CHECKERS + if td.start() > self.start(): + yield td.make_removal_patch() + # 2) defined before DECLARE_OBJ_CHECKERS, but unused + elif not re.search(r'\b'+t+r'\b', self.file.original_content[td.end():self.start()]): + yield td.make_removal_patch() + + c = (f'OBJECT_DECLARE_TYPE({instancetype}, {classtype}, {uppercase})\n') + yield self.make_patch(c) + +class AddObjectDeclareSimpleType(DeclareInstanceChecker): + """Will add OBJECT_DECLARE_SIMPLE_TYPE(...) if possible""" + def gen_patches(self) -> Iterable[Patch]: + uppercase = self.uppercase + typename = self.group('typename') + instancetype = self.group('instancetype') + + if typename != f'TYPE_{uppercase}': + self.warn("type name mismatch: %s vs %s", typename, uppercase) + return + + typedefs = [(t,self.allfiles.find_matches(SimpleTypedefMatch, t)) + for t in (instancetype,)] + for t,tds in typedefs: + if not tds: + self.warn("typedef %s not found", t) + return + for td in tds: + td_type = td.group('typedef_type') + if td_type != f'struct {t}': + self.warn("typedef mismatch: %s is defined as %s", t, td_type) + td.warn("typedef is here") + return + + # look for reuse of same struct type + other_instance_checkers = [c for c in find_type_checkers(self.allfiles, instancetype, 'instancetype') + if c.uppercase != uppercase] + if other_instance_checkers: + self.warn("typedef %s is being reused", instancetype) + for ic in other_instance_checkers: + ic.warn("%s is reused here", instancetype) + if not self.file.force: + return + + decl_types: List[Type[TypeDeclaration]] = [DeclareClassCheckers, DeclareObjCheckers] + class_decls = [m for t in decl_types + for m in self.allfiles.find_matches(t, uppercase, 'uppercase')] + if class_decls: + self.warn("class type declared for %s", uppercase) + for cd in class_decls: + cd.warn("class declaration found here") + return + + defs = list(find_type_definitions(self.allfiles, uppercase)) + if len(defs) > 1: + self.warn("multiple definitions for %s", uppercase) + for d in defs: + d.warn("definition found here") + if not self.file.force: + return + elif len(defs) == 0: + self.warn("type definition for %s not found", uppercase) + if not self.file.force: + return + else: + d = defs[0] + if d.instancetype != instancetype: + self.warn("mismatching instance type for %s (%s)", uppercase, instancetype) + d.warn("instance type declared here (%s)", d.instancetype) + if not self.file.force: + return + if d.classtype: + self.warn("class type set for %s", uppercase) + d.warn("class type declared here") + if not self.file.force: + return + + assert self.file.original_content + for t,tds in typedefs: + assert tds + for td in tds: + if td.file is not self.file: + continue + + # delete typedefs that are truly redundant: + # 1) defined after DECLARE_OBJ_CHECKERS + if td.start() > self.start(): + yield td.make_removal_patch() + # 2) defined before DECLARE_OBJ_CHECKERS, but unused + elif not re.search(r'\b'+t+r'\b', self.file.original_content[td.end():self.start()]): + yield td.make_removal_patch() + + c = (f'OBJECT_DECLARE_SIMPLE_TYPE({instancetype}, {uppercase})\n') + yield self.make_patch(c) + + +class TypeInfoStringName(TypeInfoVar): + """Replace hardcoded type names with TYPE_ constant""" + def gen_patches(self) -> Iterable[Patch]: + values = self.initializers + if values is None: + return + if 'name' not in values: + self.warn("name not set in TypeInfo variable %s", self.name) + return + typename = values['name'].raw + if re.fullmatch(RE_IDENTIFIER, typename): + return + + self.warn("name %s is not an identifier", typename) + #all_defines = [m for m in self.allfiles.matches_of_type(ExpressionDefine)] + #self.debug("all_defines: %r", all_defines) + constants = [m for m in self.allfiles.matches_of_type(ExpressionDefine) + if m.group('value').strip() == typename.strip()] + if not constants: + self.warn("No macro for %s found", typename) + return + if len(constants) > 1: + self.warn("I don't know which macro to use: %r", constants) + return + yield self.patch_field_value('name', constants[0].name) class RedundantTypeSizes(TypeInfoVar): """Remove redundant instance_size/class_size from TypeInfo vars""" @@ -230,8 +731,8 @@ class RedundantTypeSizes(TypeInfoVar): self.debug("no need to validate %s", self.name) return - instance_decl = find_type_declaration(self.allfiles, typename) - if instance_decl: + instance_decls = find_type_checkers(self.allfiles, typename) + if instance_decls: self.debug("won't touch TypeInfo var that has type checkers") return @@ -240,12 +741,12 @@ class RedundantTypeSizes(TypeInfoVar): self.warn("Can't find TypeInfo for %s", parent_typename) return - if 'instance_size' in values and parent.get_initializer_value('instance_size').raw != values['instance_size'].raw: + if 'instance_size' in values and parent.get_raw_initializer_value('instance_size') != values['instance_size'].raw: self.info("instance_size mismatch") parent.info("parent type declared here") return - if 'class_size' in values and parent.get_initializer_value('class_size').raw != values['class_size'].raw: + if 'class_size' in values and parent.get_raw_initializer_value('class_size') != values['class_size'].raw: self.info("class_size mismatch") parent.info("parent type declared here") return @@ -303,10 +804,11 @@ class RedundantTypeSizes(TypeInfoVar): # yield self.append_field('class_init', ids.lowercase+'_class_init') class TypeInitMacro(FileMatch): - """type_init(...) macro use - Will be deleted if function is empty - """ + """Use of type_init(...) macro""" regexp = S(r'^[ \t]*type_init\s*\(\s*', NAMED('name', RE_IDENTIFIER), r'\s*\);?[ \t]*\n') + +class DeleteEmptyTypeInitFunc(TypeInitMacro): + """Delete empty function declared using type_init(...)""" def gen_patches(self) -> Iterable[Patch]: fn = self.file.find_match(StaticVoidFunction, self.name) DBG("function for %s: %s", self.name, fn) @@ -331,7 +833,7 @@ class StaticVoidFunction(FileMatch): r'#[^\n]*\n', r'\n', repeat='*')), - r'}\n') + r'};?\n') @property def body(self) -> str: @@ -340,34 +842,40 @@ class StaticVoidFunction(FileMatch): def has_preprocessor_directive(self) -> bool: return bool(re.search(r'^[ \t]*#', self.body, re.MULTILINE)) -class TypeRegisterCall(FileMatch): +def find_containing_func(m: FileMatch) -> Optional['StaticVoidFunction']: + """Return function containing this match""" + for fn in m.file.matches_of_type(StaticVoidFunction): + if fn.contains(m): + return fn + return None + +class TypeRegisterStaticCall(FileMatch): """type_register_static() call Will be replaced by TYPE_INFO() macro """ - regexp = S(r'^[ \t]*type_register_static\s*\(&\s*', NAMED('name', RE_IDENTIFIER), r'\s*\);[ \t]*\n') - - def function(self) -> Optional['StaticVoidFunction']: - """Return function containing this call""" - for m in self.file.matches_of_type(StaticVoidFunction): - if m.contains(self): - return m - return None + regexp = S(r'^[ \t]*', NAMED('func_name', 'type_register_static'), + r'\s*\(&\s*', NAMED('name', RE_IDENTIFIER), r'\s*\);[ \t]*\n') +class UseTypeInfo(TypeRegisterStaticCall): + """Replace type_register_static() call with TYPE_INFO declaration""" def gen_patches(self) -> Iterable[Patch]: - fn = self.function() - if fn is None: - self.warn("can't find function where type_register_static(&%s) is called", self.name) - return + fn = find_containing_func(self) + if fn: + DBG("%r is inside %r", self, fn) + type_init = self.file.find_match(TypeInitMacro, fn.name) + if type_init is None: + self.warn("can't find type_init(%s) line", fn.name) + if not self.file.force: + return + else: + self.warn("can't identify the function where type_register_static(&%s) is called", self.name) + if not self.file.force: + return #if fn.has_preprocessor_directive() and not self.file.force: # self.warn("function %s has preprocessor directives, this requires --force", fn.name) # return - type_init = self.file.find_match(TypeInitMacro, fn.name) - if type_init is None: - self.warn("can't find type_init(%s) line", fn.name) - return - var = self.file.find_match(TypeInfoVar, self.name) if var is None: self.warn("can't find TypeInfo var declaration for %s", self.name) @@ -375,24 +883,51 @@ class TypeRegisterCall(FileMatch): if not var.is_full(): self.warn("variable declaration %s wasn't parsed fully", var.name) - return + if not self.file.force: + return - if fn.contains(var): + if fn and fn.contains(var): self.warn("TypeInfo %s variable is inside a function", self.name) - return + if not self.file.force: + return # delete type_register_static() call: yield self.make_patch('') # append TYPE_REGISTER(...) after variable declaration: yield var.append(f'TYPE_INFO({self.name})\n') +class TypeRegisterCall(FileMatch): + """type_register_static() call""" + regexp = S(r'^[ \t]*', NAMED('func_name', 'type_register'), + r'\s*\(&\s*', NAMED('name', RE_IDENTIFIER), r'\s*\);[ \t]*\n') + +class MakeTypeRegisterStatic(TypeRegisterCall): + """Make type_register() call static if variable is static const""" + def gen_patches(self): + var = self.file.find_match(TypeInfoVar, self.name) + if var is None: + self.warn("can't find TypeInfo var declaration for %s", self.name) + return + if var.is_static() and var.is_const(): + yield self.group_match('func_name').make_patch('type_register_static') + +class MakeTypeRegisterNotStatic(TypeRegisterStaticCall): + """Make type_register() call static if variable is static const""" + def gen_patches(self): + var = self.file.find_match(TypeInfoVar, self.name) + if var is None: + self.warn("can't find TypeInfo var declaration for %s", self.name) + return + if not var.is_static() or not var.is_const(): + yield self.group_match('func_name').make_patch('type_register') + class TypeInfoMacro(FileMatch): """TYPE_INFO macro usage""" regexp = S(r'^[ \t]*TYPE_INFO\s*\(\s*', NAMED('name', RE_IDENTIFIER), r'\s*\)[ \t]*;?[ \t]*\n') def find_type_info(files: RegexpScanner, name: str) -> Optional[TypeInfoVar]: ti = [ti for ti in files.matches_of_type(TypeInfoVar) - if ti.get_initializer_value('name').raw == name] + if ti.get_raw_initializer_value('name') == name] DBG("type info vars: %r", ti) if len(ti) > 1: DBG("multiple TypeInfo vars found for %s", name) diff --git a/scripts/codeconverter/codeconverter/test_patching.py b/scripts/codeconverter/codeconverter/test_patching.py index 5998af8..71dfbd4 100644 --- a/scripts/codeconverter/codeconverter/test_patching.py +++ b/scripts/codeconverter/codeconverter/test_patching.py @@ -31,7 +31,6 @@ def test_pattern_patching(): files = FileList() f = FileInfo(files, of.name) f.load() - f.scan_for_matches() matches = f.matches_of_type(BasicPattern) assert len(matches) == 2 p2 = matches[1] @@ -40,7 +39,7 @@ def test_pattern_patching(): f.patches.append(p2.append('XXX')) # apply all patches: - f.gen_patches() + f.gen_patches(matches) patched = f.get_patched_content() assert patched == ('one line\n'+ 'this pattern will be patched: defBBBBBhij\n'+ diff --git a/scripts/codeconverter/codeconverter/test_regexps.py b/scripts/codeconverter/codeconverter/test_regexps.py index 9b84d68..a445634 100644 --- a/scripts/codeconverter/codeconverter/test_regexps.py +++ b/scripts/codeconverter/codeconverter/test_regexps.py @@ -9,7 +9,7 @@ from .regexps import * from .qom_macros import * from .qom_type_info import * -def test_res(): +def test_res() -> None: def fullmatch(regexp, s): return re.fullmatch(regexp, s, re.MULTILINE) @@ -113,10 +113,10 @@ static const TypeInfo char_file_type_info = { * need to set up reset or vmstate, and has no realize method. */''') - print(RE_TYPEINFO_DEF) + print(TypeInfoVar.regexp) test_empty = 'static const TypeInfo x86_base_cpu_type_info = {\n'+\ '};\n'; - assert fullmatch(RE_TYPEINFO_DEF, test_empty) + assert fullmatch(TypeInfoVar.regexp, test_empty) test_simple = r''' static const TypeInfo x86_base_cpu_type_info = { @@ -125,7 +125,7 @@ static const TypeInfo char_file_type_info = { .class_init = x86_cpu_base_class_init, }; ''' - assert re.search(RE_TYPEINFO_DEF, test_simple, re.MULTILINE) + assert re.search(TypeInfoVar.regexp, test_simple, re.MULTILINE) test_interfaces = r''' static const TypeInfo acpi_ged_info = { @@ -141,7 +141,7 @@ static const TypeInfo char_file_type_info = { } }; ''' - assert re.search(RE_TYPEINFO_DEF, test_interfaces, re.MULTILINE) + assert re.search(TypeInfoVar.regexp, test_interfaces, re.MULTILINE) test_comments = r''' static const TypeInfo palm_misc_gpio_info = { @@ -155,7 +155,7 @@ static const TypeInfo char_file_type_info = { */ }; ''' - assert re.search(RE_TYPEINFO_DEF, test_comments, re.MULTILINE) + assert re.search(TypeInfoVar.regexp, test_comments, re.MULTILINE) test_comments = r''' static const TypeInfo tpm_crb_info = { @@ -170,7 +170,7 @@ static const TypeInfo char_file_type_info = { } }; ''' - assert re.search(RE_TYPEINFO_DEF, test_comments, re.MULTILINE) + assert re.search(TypeInfoVar.regexp, test_comments, re.MULTILINE) def test_struct_re(): print('---') @@ -232,8 +232,8 @@ def test_initial_includes(): /* pflash_cfi01.c */ ''' - print(repr(list(m.groupdict() for m in re.finditer(InitialIncludes.regexp, c, re.MULTILINE)))) - m = re.match(InitialIncludes.regexp, c, re.MULTILINE) + print(repr(list(m.groupdict() for m in InitialIncludes.finditer(c)))) + m = InitialIncludes.domatch(c) assert m print(repr(m.group(0))) assert m.group(0).endswith('#include "exec/hwaddr.h"\n') @@ -247,8 +247,8 @@ def test_initial_includes(): ''' - print(repr(list(m.groupdict() for m in re.finditer(InitialIncludes.regexp, c, re.MULTILINE)))) - m = re.match(InitialIncludes.regexp, c, re.MULTILINE) + print(repr(list(m.groupdict() for m in InitialIncludes.finditer(c)))) + m = InitialIncludes.domatch(c) assert m print(repr(m.group(0))) assert m.group(0).endswith('#include "9p.h"\n') @@ -274,8 +274,8 @@ def test_initial_includes(): /* Missing stuff: SCTRL_P[12](END|ST)INC ''' - print(repr(list(m.groupdict() for m in re.finditer(InitialIncludes.regexp, c, re.MULTILINE)))) - m = re.match(InitialIncludes.regexp, c, re.MULTILINE) + print(repr(list(m.groupdict() for m in InitialIncludes.finditer(c)))) + m = InitialIncludes.domatch(c) assert m print(repr(m.group(0))) assert m.group(0).endswith('#include "sysemu/dma.h"\n') diff --git a/scripts/codeconverter/converter.py b/scripts/codeconverter/converter.py index ebaf9b5..75cb515 100755 --- a/scripts/codeconverter/converter.py +++ b/scripts/codeconverter/converter.py @@ -42,7 +42,7 @@ def process_all_files(parser: argparse.ArgumentParser, args: argparse.Namespace) for t in f.matches_of_type(TypeInfoVar): assert isinstance(t, TypeInfoVar) values = [f.filename, t.name] + \ - [t.get_initializer_value(f).raw + [t.get_raw_initializer_value(f) for f in TI_FIELDS] DBG('values: %r', values) assert all('\t' not in v for v in values) @@ -55,18 +55,18 @@ def process_all_files(parser: argparse.ArgumentParser, args: argparse.Namespace) parser.error("--pattern is required") classes = [p for arg in args.patterns - for p in re.split(r'[\s,]', arg)] + for p in re.split(r'[\s,]', arg) + if p.strip()] for c in classes: - if c not in match_classes: + if c not in match_classes \ + or not match_classes[c].regexp: print("Invalid pattern name: %s" % (c), file=sys.stderr) print("Valid patterns:", file=sys.stderr) print(PATTERN_HELP, file=sys.stderr) sys.exit(1) DBG("classes: %r", classes) - for f in files: - DBG("patching contents of %s", f.filename) - f.patch_content(max_passes=args.passes, class_names=classes) + files.patch_content(max_passes=args.passes, class_names=classes) for f in files: #alltypes.extend(f.type_infos) |