Sprinter: добавить отладку C-исходников и интеграцию VS Code
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"""Регрессии реального SDCC/linker: код, коллизии, банк, stale и ошибки."""
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import json
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import os
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from pathlib import Path
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import shutil
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import subprocess
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import sys
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import tempfile
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import unittest
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ROOT = Path(__file__).resolve().parents[2]
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os.environ['SPRINTER_PYTHON'] = sys.executable
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sys.path.insert(0, str(ROOT/'toolchain'))
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from sdbg.build import normalize
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from sdbg.model import DebugMap
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class Integration(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.temp = tempfile.TemporaryDirectory(prefix='sdbg-tests-')
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cls.work = Path(cls.temp.name)
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cls.fixtures = cls.work/'src'
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shutil.copytree(ROOT/'tests/sdbg/fixtures', cls.fixtures)
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@classmethod
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def tearDownClass(cls): cls.temp.cleanup()
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def build(self, name, sources, *flags, success=True):
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output = self.work/(name+'.exe')
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result = subprocess.run([str(ROOT/'bin/sprinter-cc'), '-o', str(output),
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*flags, *map(str,sources)], cwd=ROOT,
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text=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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if success: self.assertEqual(result.returncode,0,result.stdout)
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else: self.assertNotEqual(result.returncode,0,result.stdout)
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return output, result
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def model(self, name): return DebugMap(self.work/('.sprinter-cc-'+name))
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def test_01_raw_collision_and_fixed_byte_identity(self):
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sources = [self.fixtures/'main.c', self.fixtures/'helper.c']
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sdcc = str(ROOT/'third_party/sdcc/bin/sdcc')
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objects=[]
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for source in sources:
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obj=self.work/(source.stem+'.rel')
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subprocess.run([sdcc,'-mz80','--debug','-c','-o',str(obj),str(source)],check=True)
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objects.append(str(obj))
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raw=subprocess.run([sdcc,'-mz80','--debug','--no-std-crt0','-o',str(self.work/'raw.ihx'),*objects],
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text=True,stdout=subprocess.PIPE,stderr=subprocess.STDOUT)
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self.assertNotEqual(raw.returncode,0)
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self.assertIn('Multiple definition of C$',raw.stdout)
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plain,_=self.build('plain',sources)
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debug,_=self.build('debug',sources,'--src-debug')
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self.assertEqual(plain.read_bytes(),debug.read_bytes())
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self.assertIn(b'Fmain$text$0_0$0 Lmain.fake', debug.read_bytes())
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model=self.model('debug')
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matches=[f for f in model.functions if f['name']=='transform']
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self.assertEqual(len(matches),2)
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self.assertNotEqual(matches[0]['start'],matches[1]['start'])
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for f in matches:
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self.assertTrue(model.addr2line(f['start'])['sources'])
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self.assertEqual(model.addr2line(0xffff)['status'],'unknown')
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total=next(v for v in model.variables if v['name']=='total')
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counter=next(v for v in model.variables if v['name']=='counter')
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self.assertEqual(total['size'],2)
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self.assertTrue(counter['signed'])
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self.assertEqual(counter['size'],1)
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model.verify_executable()
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def test_02_banks_and_windows(self):
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source=ROOT/'tests/banked'
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for mode,base in [('huge',0xc000),('big',0x4000)]:
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flags=['--memory',mode,'--bank','1='+str(source/'bank1.c'),
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'--bank','2='+str(source/'bank2.c')]
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plain,_=self.build(mode+'plain',[source/'banked.c'],*flags)
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debug,_=self.build(mode,[source/'banked.c'],'--src-debug',*flags)
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self.assertEqual(plain.read_bytes(),debug.read_bytes())
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model=self.model(mode)
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for bank in (1,2):
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function=next(f for f in model.functions if f['name']==f'bank{bank}_func')
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self.assertEqual(function['bank'],bank)
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self.assertEqual(function['logical_address'],base+12)
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# У sprinter_page_w1 в каждом TU существуют начало и epilogue.
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locations=model.line_locations('sprinter.h',111)['locations']
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self.assertEqual(len(locations),6)
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self.assertEqual({l['bank'] for l in locations},{None,1,2})
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def test_03_failure_preserves_published_package(self):
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source=self.fixtures/'main.c'
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sources=[source,self.fixtures/'helper.c']
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exe,_=self.build('transaction',sources,'--src-debug')
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before=exe.read_bytes()
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manifest=(self.work/'.sprinter-cc-transaction/manifest.json').read_bytes()
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broken=self.work/'broken.c'
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broken.write_text('extern void missing(void); int main(void) { missing(); return 0; }')
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_,result=self.build('transaction',[broken],'--src-debug',success=False)
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self.assertIn('missing',result.stdout)
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self.assertEqual(exe.read_bytes(),before)
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self.assertEqual((self.work/'.sprinter-cc-transaction/manifest.json').read_bytes(),manifest)
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self.model('transaction').verify_executable()
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def test_04_same_basename_and_bank_data(self):
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main=self.work/'names.c'
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main.write_text('int left(void); int right(void); int main(void) {return left()+right();}')
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self.build('names',[main,self.fixtures/'left/utils.c',self.fixtures/'right/utils.c'],'--src-debug')
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model=self.model('names')
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self.assertEqual(len([f for f in model.functions if f['name'] in ('left','right')]),2)
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self.assertEqual(len([v for v in model.variables if v['name']=='counter']),2)
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bank=self.work/'data.c'
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bank.write_text('volatile int value; void fun(void) __banked {value=42;}')
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main.write_text('void fun(void) __banked; int main(void) {fun();return 0;}')
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self.build('data',[main],'--src-debug','--memory','big','--bank','1='+str(bank),'--bank-data')
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value=next(v for v in self.model('data').variables if v['name']=='value')
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self.assertEqual(value['bank'],1)
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self.assertEqual(value['window'],1)
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def test_05_stale_sources_and_corrupt_artifacts(self):
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source=self.work/'stale.c'
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source.write_text('int main(void) {return 42;}')
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self.build('stale',[source],'--src-debug')
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source.write_text('int main(void) {return 0;}')
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model=self.model('stale')
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self.assertIn(str(source.resolve()),model.stale_sources)
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self.assertIn('42',model.source_text(str(source.resolve()),1))
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asm=next((self.work/'.sprinter-cc-stale').glob('*.asm'))
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asm.write_text('corrupted')
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with self.assertRaisesRegex(ValueError,'артефакт'): self.model('stale')
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def test_06_selected_tu_and_argument_errors(self):
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sources=[self.fixtures/'main.c',self.fixtures/'helper.c']
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self.build('selected',sources,'--src-debug-file',str(sources[0]))
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self.assertEqual(len(self.model('selected').units),1)
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self.build('invalid',sources,'--src-debug-file','nonexistent.c',success=False)
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self.build('invalid',sources,'--src-debug','--src-debug-file',str(sources[0]),success=False)
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def test_07_make_configuration_and_header_dependency(self):
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directory=self.work/'make-project'
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shutil.copytree(self.fixtures,directory)
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(directory/'Makefile').write_text(
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f'PROJ_ROOT := {ROOT}\nEXAMPLE := main\nEXTRA_SRCS := helper.c\n'
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f'include {ROOT}/app.mk\n')
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def make(*options):
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result=subprocess.run(['make','SRC_DEBUG=1','PYTHON='+sys.executable,*options],
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cwd=directory,text=True,stdout=subprocess.PIPE,stderr=subprocess.STDOUT)
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self.assertEqual(result.returncode,0,result.stdout)
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return result.stdout
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self.assertIn('sprinter-cc: wrote',make())
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self.assertNotIn('sprinter-cc: wrote',make())
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before=json.loads((directory/'.sprinter-cc-main/manifest.json').read_text())['build_id']
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header=directory/'common.h'
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header.write_text(header.read_text()+'\n/* Правка включённого заголовка. */\n')
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self.assertIn('sprinter-cc: wrote',make())
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after=json.loads((directory/'.sprinter-cc-main/manifest.json').read_text())['build_id']
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self.assertNotEqual(before,after)
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self.assertNotIn('sprinter-cc: wrote',make())
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self.assertIn('sprinter-cc: wrote',make('SRC_DEBUG=0'))
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self.assertNotIn('sprinter-cc: wrote',make('SRC_DEBUG=0'))
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def test_09_log_macro_has_linked_anchor_without_exe_growth(self):
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source = self.fixtures/'logmacro.c'
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plain, _ = self.build('logmacro_plain', [source])
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debug, _ = self.build('logmacro_debug', [source], '--src-debug')
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self.assertEqual(plain.read_bytes(), debug.read_bytes())
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self.assertNotIn(b'total=', debug.read_bytes())
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model = self.model('logmacro_debug')
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self.assertEqual([item['tag'] for item in model.logpoints], ['after_one'])
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anchor = model.logpoints[0]
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self.assertTrue(anchor['verified'], anchor)
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self.assertEqual(anchor['message'], 'total={total}')
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self.assertEqual(anchor['line'], 10)
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self.assertIn(anchor['link_address'], model.instructions)
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self.assertEqual(model.symbols[anchor['symbol']], anchor['link_address'])
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def test_10_duplicate_macro_tag_preserves_published_package(self):
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source = self.fixtures/'logmacro.c'
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exe, _ = self.build('logmacro_transaction', [source], '--src-debug')
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before = exe.read_bytes()
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manifest = (self.work/'.sprinter-cc-logmacro_transaction/manifest.json').read_bytes()
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duplicate = self.work/'duplicate_log.c'
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duplicate.write_text('#include <sdbg.h>\nint main(void) {\n'
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'SDBG_LOG(same, "one");\nSDBG_LOG(same, "two");\nreturn 0;\n}\n')
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_, result = self.build('logmacro_transaction', [duplicate], '--src-debug', success=False)
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self.assertIn('tag должен быть уникальным', result.stdout)
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self.assertEqual(exe.read_bytes(), before)
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self.assertEqual((self.work/'.sprinter-cc-logmacro_transaction/manifest.json').read_bytes(), manifest)
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invalid_format = self.work/'invalid_log_format.c'
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invalid_format.write_text('#include <sdbg.h>\nint value; int main(void) {'
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'SDBG_LOG(value_log,"value={value:04X}");return 0;}')
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_, result = self.build('logmacro_transaction', [invalid_format], '--src-debug', success=False)
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self.assertIn('только подстановки', result.stdout)
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self.assertEqual(exe.read_bytes(), before)
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self.assertEqual((self.work/'.sprinter-cc-logmacro_transaction/manifest.json').read_bytes(), manifest)
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def test_11_banked_macro_uses_typed_location_without_exe_growth(self):
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main = self.work/'bank_log_main.c'
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bank = self.work/'bank_log_worker.c'
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main.write_text('void worker(void) __banked; int main(void) {worker();return 0;}')
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bank.write_text('#include <sdbg.h>\nvolatile int bank_value;\n'
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'void worker(void) __banked {bank_value=1;'
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'SDBG_LOG(bank_hit,"bank_value={bank_value}");bank_value=2;}')
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flags = ('--memory', 'big', '--bank', '1='+str(bank))
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plain, _ = self.build('bank_log_plain', [main], *flags)
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debug, _ = self.build('bank_log_debug', [main], '--src-debug', *flags)
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self.assertEqual(plain.read_bytes(), debug.read_bytes())
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anchor = self.model('bank_log_debug').logpoints[0]
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self.assertTrue(anchor['verified'], anchor)
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self.assertEqual((anchor['bank'], anchor['window']), (1, 1))
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self.assertEqual(anchor['logical_address'], anchor['link_address'] & 0xffff)
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def test_08_archive_debug_descriptions_are_not_imported(self):
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directory=self.work/'archive'
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directory.mkdir()
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sdcc=ROOT/'third_party/sdcc/bin/sdcc'
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from sdbg.build import compile_unit
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compile_unit(sdcc,ROOT/'third_party/sdcc/bin/sdasz80',ROOT/'libc/string/strlwr.c',
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directory/'strlwr.rel',['-mz80','--std-c99','-I',str(ROOT/'libc/include')])
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subprocess.run([str(ROOT/'third_party/sdcc/bin/sdar'),'rcs',str(directory/'probe.lib'),
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str(directory/'strlwr.rel')],check=True)
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source=directory/'app.c'
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source.write_text('extern char *strlwr(char *); int main(void) {return *strlwr((char*)0x9000);}')
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subprocess.run([str(sdcc),'-mz80','--debug','-c','-o',str(directory/'app.rel'),str(source)],check=True)
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subprocess.run([str(sdcc),'-mz80','--debug','--no-std-crt0','-o',str(directory/'app.ihx'),
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str(directory/'app.rel'),'-L'+str(directory),'-lprobe'],check=True)
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records=(directory/'app.cdb').read_text()
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self.assertIn('L:G$strlwr$',records)
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self.assertNotIn('F:G$strlwr$',records)
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self.assertIn('F:G$strlwr$',(directory/'strlwr.adb').read_text())
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if __name__ == '__main__': unittest.main()
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