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bpo-31536: Avoid wholesale rebuild after make regen-all (#3678)

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* bpo-31536: Avoid wholesale rebuild after `make regen-all`

* Add NEWS
This commit is contained in:
Antoine Pitrou 2017-09-20 23:57:56 +02:00 • committed by Victor Stinner
parent aaf6fc0982
commit b091bec824
4 changed files with 85 additions and 50 deletions
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78
Parser/asdl_c.py
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@ -1285,59 +1285,55 @@ def main(srcfile, dump_module=False):
print(mod)
if not asdl.check(mod):
sys.exit(1)
if INC_DIR:
p = "%s/%s-ast.h" % (INC_DIR, mod.name)
f = open(p, "w")
f.write(auto_gen_msg)
f.write('#include "asdl.h"\n\n')
c = ChainOfVisitors(TypeDefVisitor(f),
StructVisitor(f),
PrototypeVisitor(f),
)
c.visit(mod)
f.write("PyObject* PyAST_mod2obj(mod_ty t);\n")
f.write("mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode);\n")
f.write("int PyAST_Check(PyObject* obj);\n")
f.close()
if H_FILE:
with open(H_FILE, "w") as f:
f.write(auto_gen_msg)
f.write('#include "asdl.h"\n\n')
c = ChainOfVisitors(TypeDefVisitor(f),
StructVisitor(f),
PrototypeVisitor(f),
)
c.visit(mod)
f.write("PyObject* PyAST_mod2obj(mod_ty t);\n")
f.write("mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode);\n")
f.write("int PyAST_Check(PyObject* obj);\n")
if SRC_DIR:
p = os.path.join(SRC_DIR, str(mod.name) + "-ast.c")
f = open(p, "w")
f.write(auto_gen_msg)
f.write('#include <stddef.h>\n')
f.write('\n')
f.write('#include "Python.h"\n')
f.write('#include "%s-ast.h"\n' % mod.name)
f.write('\n')
f.write("static PyTypeObject AST_type;\n")
v = ChainOfVisitors(
PyTypesDeclareVisitor(f),
PyTypesVisitor(f),
Obj2ModPrototypeVisitor(f),
FunctionVisitor(f),
ObjVisitor(f),
Obj2ModVisitor(f),
ASTModuleVisitor(f),
PartingShots(f),
)
v.visit(mod)
f.close()
if C_FILE:
with open(C_FILE, "w") as f:
f.write(auto_gen_msg)
f.write('#include <stddef.h>\n')
f.write('\n')
f.write('#include "Python.h"\n')
f.write('#include "%s-ast.h"\n' % mod.name)
f.write('\n')
f.write("static PyTypeObject AST_type;\n")
v = ChainOfVisitors(
PyTypesDeclareVisitor(f),
PyTypesVisitor(f),
Obj2ModPrototypeVisitor(f),
FunctionVisitor(f),
ObjVisitor(f),
Obj2ModVisitor(f),
ASTModuleVisitor(f),
PartingShots(f),
)
v.visit(mod)
if __name__ == "__main__":
import getopt
INC_DIR = ''
SRC_DIR = ''
H_FILE = ''
C_FILE = ''
dump_module = False
opts, args = getopt.getopt(sys.argv[1:], "dh:c:")
for o, v in opts:
if o == '-h':
INC_DIR = v
H_FILE = v
if o == '-c':
SRC_DIR = v
C_FILE = v
if o == '-d':
dump_module = True
if INC_DIR and SRC_DIR:
if H_FILE and C_FILE:
print('Must specify exactly one output file')
sys.exit(1)
elif len(args) != 1: