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-rw-r--r--bitbake/lib/bb/parse/parse_py/BBHandler.py263
1 files changed, 0 insertions, 263 deletions
diff --git a/bitbake/lib/bb/parse/parse_py/BBHandler.py b/bitbake/lib/bb/parse/parse_py/BBHandler.py
deleted file mode 100644
index f8988b8631..0000000000
--- a/bitbake/lib/bb/parse/parse_py/BBHandler.py
+++ /dev/null
@@ -1,263 +0,0 @@
1"""
2 class for handling .bb files
3
4 Reads a .bb file and obtains its metadata
5
6"""
7
8
9# Copyright (C) 2003, 2004 Chris Larson
10# Copyright (C) 2003, 2004 Phil Blundell
11#
12# SPDX-License-Identifier: GPL-2.0-only
13#
14
15import re, bb, os
16import bb.build, bb.utils, bb.data_smart
17
18from . import ConfHandler
19from .. import resolve_file, ast, logger, ParseError
20from .ConfHandler import include, init
21
22# For compatibility
23bb.deprecate_import(__name__, "bb.parse", ["vars_from_file"])
24
25__func_start_regexp__ = re.compile(r"(((?P<py>python(?=(\s|\()))|(?P<fr>fakeroot(?=\s)))\s*)*(?P<func>[\w\.\-\+\{\}\$]+)?\s*\(\s*\)\s*{$" )
26__inherit_regexp__ = re.compile(r"inherit\s+(.+)" )
27__export_func_regexp__ = re.compile(r"EXPORT_FUNCTIONS\s+(.+)" )
28__addtask_regexp__ = re.compile(r"addtask\s+(?P<func>\w+)\s*((before\s*(?P<before>((.*(?=after))|(.*))))|(after\s*(?P<after>((.*(?=before))|(.*)))))*")
29__deltask_regexp__ = re.compile(r"deltask\s+(.+)")
30__addhandler_regexp__ = re.compile(r"addhandler\s+(.+)" )
31__def_regexp__ = re.compile(r"def\s+(\w+).*:" )
32__python_func_regexp__ = re.compile(r"(\s+.*)|(^$)|(^#)" )
33__python_tab_regexp__ = re.compile(r" *\t")
34
35__infunc__ = []
36__inpython__ = False
37__body__ = []
38__classname__ = ""
39
40cached_statements = {}
41
42def supports(fn, d):
43 """Return True if fn has a supported extension"""
44 return os.path.splitext(fn)[-1] in [".bb", ".bbclass", ".inc"]
45
46def inherit(files, fn, lineno, d):
47 __inherit_cache = d.getVar('__inherit_cache', False) or []
48 files = d.expand(files).split()
49 for file in files:
50 if not os.path.isabs(file) and not file.endswith(".bbclass"):
51 file = os.path.join('classes', '%s.bbclass' % file)
52
53 if not os.path.isabs(file):
54 bbpath = d.getVar("BBPATH")
55 abs_fn, attempts = bb.utils.which(bbpath, file, history=True)
56 for af in attempts:
57 if af != abs_fn:
58 bb.parse.mark_dependency(d, af)
59 if abs_fn:
60 file = abs_fn
61
62 if not file in __inherit_cache:
63 logger.debug("Inheriting %s (from %s:%d)" % (file, fn, lineno))
64 __inherit_cache.append( file )
65 d.setVar('__inherit_cache', __inherit_cache)
66 include(fn, file, lineno, d, "inherit")
67 __inherit_cache = d.getVar('__inherit_cache', False) or []
68
69def get_statements(filename, absolute_filename, base_name):
70 global cached_statements
71
72 try:
73 return cached_statements[absolute_filename]
74 except KeyError:
75 with open(absolute_filename, 'r') as f:
76 statements = ast.StatementGroup()
77
78 lineno = 0
79 while True:
80 lineno = lineno + 1
81 s = f.readline()
82 if not s: break
83 s = s.rstrip()
84 feeder(lineno, s, filename, base_name, statements)
85
86 if __inpython__:
87 # add a blank line to close out any python definition
88 feeder(lineno, "", filename, base_name, statements, eof=True)
89
90 if filename.endswith(".bbclass") or filename.endswith(".inc"):
91 cached_statements[absolute_filename] = statements
92 return statements
93
94def handle(fn, d, include):
95 global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __infunc__, __body__, __residue__, __classname__
96 __body__ = []
97 __infunc__ = []
98 __classname__ = ""
99 __residue__ = []
100
101 base_name = os.path.basename(fn)
102 (root, ext) = os.path.splitext(base_name)
103 init(d)
104
105 if ext == ".bbclass":
106 __classname__ = root
107 __inherit_cache = d.getVar('__inherit_cache', False) or []
108 if not fn in __inherit_cache:
109 __inherit_cache.append(fn)
110 d.setVar('__inherit_cache', __inherit_cache)
111
112 if include != 0:
113 oldfile = d.getVar('FILE', False)
114 else:
115 oldfile = None
116
117 abs_fn = resolve_file(fn, d)
118
119 # actual loading
120 statements = get_statements(fn, abs_fn, base_name)
121
122 # DONE WITH PARSING... time to evaluate
123 if ext != ".bbclass" and abs_fn != oldfile:
124 d.setVar('FILE', abs_fn)
125
126 try:
127 statements.eval(d)
128 except bb.parse.SkipRecipe:
129 d.setVar("__SKIPPED", True)
130 if include == 0:
131 return { "" : d }
132
133 if __infunc__:
134 raise ParseError("Shell function %s is never closed" % __infunc__[0], __infunc__[1], __infunc__[2])
135 if __residue__:
136 raise ParseError("Leftover unparsed (incomplete?) data %s from %s" % __residue__, fn)
137
138 if ext != ".bbclass" and include == 0:
139 return ast.multi_finalize(fn, d)
140
141 if ext != ".bbclass" and oldfile and abs_fn != oldfile:
142 d.setVar("FILE", oldfile)
143
144 return d
145
146def feeder(lineno, s, fn, root, statements, eof=False):
147 global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __def_regexp__, __python_func_regexp__, __inpython__, __infunc__, __body__, bb, __residue__, __classname__
148
149 # Check tabs in python functions:
150 # - def py_funcname(): covered by __inpython__
151 # - python(): covered by '__anonymous' == __infunc__[0]
152 # - python funcname(): covered by __infunc__[3]
153 if __inpython__ or (__infunc__ and ('__anonymous' == __infunc__[0] or __infunc__[3])):
154 tab = __python_tab_regexp__.match(s)
155 if tab:
156 bb.warn('python should use 4 spaces indentation, but found tabs in %s, line %s' % (root, lineno))
157
158 if __infunc__:
159 if s == '}':
160 __body__.append('')
161 ast.handleMethod(statements, fn, lineno, __infunc__[0], __body__, __infunc__[3], __infunc__[4])
162 __infunc__ = []
163 __body__ = []
164 else:
165 __body__.append(s)
166 return
167
168 if __inpython__:
169 m = __python_func_regexp__.match(s)
170 if m and not eof:
171 __body__.append(s)
172 return
173 else:
174 ast.handlePythonMethod(statements, fn, lineno, __inpython__,
175 root, __body__)
176 __body__ = []
177 __inpython__ = False
178
179 if eof:
180 return
181
182 if s and s[0] == '#':
183 if len(__residue__) != 0 and __residue__[0][0] != "#":
184 bb.fatal("There is a comment on line %s of file %s (%s) which is in the middle of a multiline expression.\nBitbake used to ignore these but no longer does so, please fix your metadata as errors are likely as a result of this change." % (lineno, fn, s))
185
186 if len(__residue__) != 0 and __residue__[0][0] == "#" and (not s or s[0] != "#"):
187 bb.fatal("There is a confusing multiline, partially commented expression on line %s of file %s (%s).\nPlease clarify whether this is all a comment or should be parsed." % (lineno, fn, s))
188
189 if s and s[-1] == '\\':
190 __residue__.append(s[:-1])
191 return
192
193 s = "".join(__residue__) + s
194 __residue__ = []
195
196 # Skip empty lines
197 if s == '':
198 return
199
200 # Skip comments
201 if s[0] == '#':
202 return
203
204 m = __func_start_regexp__.match(s)
205 if m:
206 __infunc__ = [m.group("func") or "__anonymous", fn, lineno, m.group("py") is not None, m.group("fr") is not None]
207 return
208
209 m = __def_regexp__.match(s)
210 if m:
211 __body__.append(s)
212 __inpython__ = m.group(1)
213
214 return
215
216 m = __export_func_regexp__.match(s)
217 if m:
218 ast.handleExportFuncs(statements, fn, lineno, m, __classname__)
219 return
220
221 m = __addtask_regexp__.match(s)
222 if m:
223 if len(m.group().split()) == 2:
224 # Check and warn for "addtask task1 task2"
225 m2 = re.match(r"addtask\s+(?P<func>\w+)(?P<ignores>.*)", s)
226 if m2 and m2.group('ignores'):
227 logger.warning('addtask ignored: "%s"' % m2.group('ignores'))
228
229 # Check and warn for "addtask task1 before task2 before task3", the
230 # similar to "after"
231 taskexpression = s.split()
232 for word in ('before', 'after'):
233 if taskexpression.count(word) > 1:
234 logger.warning("addtask contained multiple '%s' keywords, only one is supported" % word)
235
236 # Check and warn for having task with exprssion as part of task name
237 for te in taskexpression:
238 if any( ( "%s_" % keyword ) in te for keyword in bb.data_smart.__setvar_keyword__ ):
239 raise ParseError("Task name '%s' contains a keyword which is not recommended/supported.\nPlease rename the task not to include the keyword.\n%s" % (te, ("\n".join(map(str, bb.data_smart.__setvar_keyword__)))), fn)
240 ast.handleAddTask(statements, fn, lineno, m)
241 return
242
243 m = __deltask_regexp__.match(s)
244 if m:
245 ast.handleDelTask(statements, fn, lineno, m)
246 return
247
248 m = __addhandler_regexp__.match(s)
249 if m:
250 ast.handleBBHandlers(statements, fn, lineno, m)
251 return
252
253 m = __inherit_regexp__.match(s)
254 if m:
255 ast.handleInherit(statements, fn, lineno, m)
256 return
257
258 return ConfHandler.feeder(lineno, s, fn, statements)
259
260# Add us to the handlers list
261from .. import handlers
262handlers.append({'supports': supports, 'handle': handle, 'init': init})
263del handlers