8000 bpo-35808: Retire pgen and use pgen2 to generate the parser by pablogsal · Pull Request #11814 · python/cpython · GitHub
[go: up one dir, main page]
Skip to content

bpo-35808: Retire pgen and use pgen2 to generate the parser #11814

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 9 commits into from
Mar 1, 2019
Merged

bpo-35808: Retire pgen and use pgen2 to generate the parser #11814

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
2bc3198
Add pgen module to the Parser folder to produce pgen output using pgen2
pablogsal Feb 12, 2019
9f8b58f
Remove pgen
pablogsal Feb 12, 2019
1777ae5
Modify Makefile to use pgen2 and remove pgen referenes
pablogsal Feb 12, 2019
7fa4dae
Regenerate the grammar
pablogsal Feb 12, 2019
e2ed0d1
Add News entry
pablogsal Feb 12, 2019
dc2facb
fixup! Add pgen module to the Parser folder to produce pgen output us…
pablogsal Feb 20, 2019
7e3beaf
Rename pgen2 -> pgen
pablogsal Feb 21, 2019
3d593ef
Use Lib/token.py and Lib/tokenize.py as the source of tokens
pablogsal Feb 21, 2019
b1fae75
Use tokenize from stdlib, detach completely from lib2to3 and fix some…
pablogsal Feb 22, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 0 additions & 2 deletions .gitignore
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -73,8 +73,6 @@ PCbuild/arm32/
PCbuild/obj/
PCbuild/win32/
.purify
Parser/pgen
Parser/pgen.exe
__pycache__
autom4te.cache
build/
Expand Down
18 changes: 0 additions & 18 deletions Include/metagrammar.h
View file
Open in desktop

This file was deleted.

3 changes: 0 additions & 3 deletions Include/parsetok.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,10 +12,7 @@ extern "C" {

typedef struct {
int error;
#ifndef PGEN
/* The filename is useless for pgen, see comment in tok_state structure */
PyObject *filename;
#endif
int lineno;
int offset;
char *text; /* UTF-8-encoded string */
Expand Down
18 changes: 0 additions & 18 deletions Include/pgen.h
View file
Open in desktop

This file was deleted.

42 changes: 4 additions & 38 deletions Makefile.pre.in
View file
Open in desktop
A3E2
Original file line number Diff line number Diff line change
Expand Up @@ -290,40 +290,21 @@ LIBFFI_INCLUDEDIR= @LIBFFI_INCLUDEDIR@

##########################################################################
# Parser
PGEN= Parser/pgen$(EXE)

POBJS= \
Parser/acceler.o \
Parser/grammar1.o \
Parser/listnode.o \
Parser/node.o \
Parser/parser.o \
Parser/bitset.o \
Parser/metagrammar.o \
Parser/firstsets.o \
Parser/grammar.o \
Parser/token.o \
Parser/pgen.o

PARSER_OBJS= $(POBJS) Parser/myreadline.o Parser/parsetok.o Parser/tokenizer.o

PGOBJS= \
Objects/obmalloc.o \
Python/dynamic_annotations.o \
Python/mysnprintf.o \
Python/pyctype.o \
Parser/tokenizer_pgen.o \
Parser/printgrammar.o \
Parser/parsetok_pgen.o \
Parser/pgenmain.o

PARSER_HEADERS= \
$(srcdir)/Parser/parser.h \
$(srcdir)/Include/parsetok.h \
$(srcdir)/Parser/tokenizer.h

PGENOBJS= $(POBJS) $(PGOBJS)

##########################################################################
# Python

Expand Down Expand Up @@ -801,31 +782,18 @@ Python/sysmodule.o: $(srcdir)/Python/sysmodule.c Makefile

$(IO_OBJS): $(IO_H)

$(PGEN): $(PGENOBJS)
$(CC) $(OPT) $(PY_CORE_LDFLAGS) $(PGENOBJS) $(LIBS) -o $(PGEN)

.PHONY: regen-grammar
regen-grammar: $(PGEN)
regen-grammar: regen-token
# Regenerate Include/graminit.h and Python/graminit.c
# from Grammar/Grammar using pgen
@$(MKDIR_P) Include
$(PGEN) $(srcdir)/Grammar/Grammar \
$(PYTHON_FOR_REGEN) -m Parser.pgen $(srcdir)/Grammar/Grammar \
$(srcdir)/Grammar/Tokens \
$(srcdir)/Include/graminit.h.new \
$(srcdir)/Python/graminit.c.new
$(UPDATE_FILE) $(srcdir)/Include/graminit.h $(srcdir)/Include/graminit.h.new
$(UPDATE_FILE) $(srcdir)/Python/graminit.c $(srcdir)/Python/graminit.c.new

Parser/grammar.o: $(srcdir)/Parser/grammar.c \
$(srcdir)/Include/token.h \
$(srcdir)/Include/grammar.h
Parser/metagrammar.o: $(srcdir)/Parser/metagrammar.c

Parser/tokenizer_pgen.o: $(srcdir)/Parser/tokenizer.c
Parser/parsetok_pgen.o: $(srcdir)/Parser/parsetok.c
Parser/printgrammar.o: $(srcdir)/Parser/printgrammar.c

Parser/pgenmain.o: $(srcdir)/Include/parsetok.h

.PHONY=regen-ast
regen-ast:
# Regenerate Include/Python-ast.h using Parser/asdl_c.py -h
Expand Down Expand Up @@ -1015,7 +983,6 @@ PYTHON_HEADERS= \
$(srcdir)/Include/longobject.h \
$(srcdir)/Include/marshal.h \
$(srcdir)/Include/memoryobject.h \
$(srcdir)/Include/metagrammar.h \
$(srcdir)/Include/methodobject.h \
$(srcdir)/Include/modsupport.h \
$(srcdir)/Include/moduleobject.h \
Expand All @@ -1027,7 +994,6 @@ PYTHON_HEADERS= \
$(srcdir)/Include/osdefs.h \
$(srcdir)/Include/osmodule.h \
$(srcdir)/Include/patchlevel.h \
$(srcdir)/Include/pgen.h \
$(srcdir)/Include/pgenheaders.h \
$(srcdir)/Include/pyarena.h \
$(srcdir)/Include/pycapsule.h \
Expand Down Expand Up @@ -1768,7 +1734,7 @@ profile-removal:
rm -f profile-run-stamp

clobber: clean profile-removal
-rm -f $(BUILDPYTHON) $(PGEN) $(LIBRARY) $(LDLIBRARY) $(DLLLIBRARY) \
-rm -f $(BUILDPYTHON) $(LIBRARY) $(LDLIBRARY) $(DLLLIBRARY) \
tags TAGS \
config.cache config.log pyconfig.h Modules/config.c
-rm -rf build platform
Expand Down
2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2019-02-11-00-50-03.bpo-11814.M12CMH.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Retire pgen and use a modified version of pgen2 to generate the parser.
Patch by Pablo Galindo.
8 changes: 0 additions & 8 deletions Misc/coverity_model.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,14 +92,6 @@ wchar_t *Py_DecodeLocale(const char* arg, size_t *size)
return w;
}

/* Parser/pgenmain.c */
grammar *getgrammar(const char *filename)
{
grammar *g;
__coverity_tainted_data_sink__(filename);
return g;
}

/* Python/marshal.c */

static Py_ssize_t r_string(char *s, Py_ssize_t n, RFILE *p)
Expand Down
6 changes: 0 additions & 6 deletions PCbuild/pythoncore.vcxproj
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -160,7 +160,6 @@
<ClInclude Include="..\Include\longobject.h" />
<ClInclude Include="..\Include\marshal.h" />
<ClInclude Include="..\Include\memoryobject.h" />
<ClInclude Include="..\Include\metagrammar.h" />
<ClInclude Include="..\Include\methodobject.h" />
<ClInclude Include="..\Include\modsupport.h" />
<ClInclude Include="..\Include\moduleobject.h" />
Expand All @@ -174,7 +173,6 @@
<ClInclude Include="..\Include\osmodule.h" />
<ClInclude Include="..\Include\parsetok.h" />
<ClInclude Include="..\Include\patchlevel.h" />
<ClInclude Include="..\Include\pgen.h" />
<ClInclude Include="..\Include\pgenheaders.h" />
<ClInclude Include="..\Include\pyhash.h" />
<ClInclude Include="..\Include\py_curses.h" />
Expand Down Expand Up @@ -371,12 +369,8 @@
<ClCompile Include="..\Objects\unicodeobject.c" />
<ClCompile Include="..\Objects\weakrefobject.c" />
<ClCompile Include="..\Parser\acceler.c" />
<ClCompile Include="..\Parser\bitset.c" />
<ClCompile Include="..\Parser\firstsets.c" />
<ClCompile Include="..\Parser\grammar.c" />
<ClCompile Include="..\Parser\grammar1.c" />
<ClCompile Include="..\Parser\listnode.c" />
<ClCompile Include="..\Parser\metagrammar.c" />
<ClCompile Include="..\Parser\myreadline.c" />
<ClCompile Include="..\Parser\node.c" />
<ClCompile Include="..\Parser\parser.c" />
Expand Down
18 changes: 0 additions & 18 deletions PCbuild/pythoncore.vcxproj.filters
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -231,9 +231,6 @@
<ClInclude Include="..\Include\memoryobject.h">
<Filter>Include</Filter>
</ClInclude>
<ClInclude Include="..\Include\metagrammar.h">
<Filter>Include</Filter>
</ClInclude>
<ClInclude Include="..\Include\methodobject.h">
<Filter>Include</Filter>
</ClInclude>
Expand Down Expand Up @@ -267,9 +264,6 @@
<ClInclude Include="..\Include\patchlevel.h">
<Filter>Include</Filter>
</ClInclude>
<ClInclude Include="..\Include\pgen.h">
<Filter>Include</Filter>
</ClInclude>
<ClInclude Include="..\Include\pgenheaders.h">
<Filter>Include</Filter>
</ClInclude>
Expand Down Expand Up @@ -833,24 +827,12 @@
<ClCompile Include="..\Parser\acceler.c">
<Filter>Parser</Filter>
</ClCompile>
<ClCompile Include="..\Parser\bitset.c">
<Filter>Parser</Filter>
</ClCompile>
<ClCompile Include="..\Parser\firstsets.c">
<Filter>Parser</Filter>
</ClCompile>
<ClCompile Include="..\Parser\grammar.c">
<Filter>Parser</Filter>
</ClCompile>
<ClCompile Include="..\Parser\grammar1.c">
<Filter>Parser</Filter>
</ClCompile>
<ClCompile Include="..\Parser\listnode.c">
<Filter>Parser</Filter>
</ClCompile>
<ClCompile Include="..\Parser\metagrammar.c">
<Filter>Parser</Filter>
</ClCompile>
<ClCompile Include="..\Parser\myreadline.c">
<Filter>Parser</Filter>
</ClCompile>
Expand Down
66 changes: 0 additions & 66 deletions Parser/bitset.c
View file
Open in desktop

This file was deleted.

Loading
0