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-rw-r--r--Parser/Python.asdl10
-rw-r--r--Parser/asdl.py23
-rwxr-xr-xParser/asdl_c.py18
-rw-r--r--Parser/intrcheck.c174
-rw-r--r--Parser/parsetok.c37
-rw-r--r--Parser/parsetok_pgen.c2
-rw-r--r--Parser/pgenmain.c2
-rw-r--r--Parser/tokenizer.c67
-rw-r--r--Parser/tokenizer.h9
9 files changed, 94 insertions, 248 deletions
diff --git a/Parser/Python.asdl b/Parser/Python.asdl
index 9407b2f..dc322dc 100644
--- a/Parser/Python.asdl
+++ b/Parser/Python.asdl
@@ -1,6 +1,6 @@
-- ASDL's four builtin types are identifier, int, string, object
-module Python version "$Revision$"
+module Python
{
mod = Module(stmt* body)
| Interactive(stmt* body)
@@ -28,11 +28,10 @@ module Python version "$Revision$"
| For(expr target, expr iter, stmt* body, stmt* orelse)
| While(expr test, stmt* body, stmt* orelse)
| If(expr test, stmt* body, stmt* orelse)
- | With(expr context_expr, expr? optional_vars, stmt* body)
+ | With(withitem* items, stmt* body)
| Raise(expr? exc, expr? cause)
- | TryExcept(stmt* body, excepthandler* handlers, stmt* orelse)
- | TryFinally(stmt* body, stmt* finalbody)
+ | Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody)
| Assert(expr test, expr? msg)
| Import(alias* names)
@@ -100,7 +99,6 @@ module Python version "$Revision$"
comprehension = (expr target, expr iter, expr* ifs)
- -- not sure what to call the first argument for raise and except
excepthandler = ExceptHandler(expr? type, identifier? name, stmt* body)
attributes (int lineno, int col_offset)
@@ -115,5 +113,7 @@ module Python version "$Revision$"
-- import name with optional 'as' alias.
alias = (identifier name, identifier? asname)
+
+ withitem = (expr context_expr, expr? optional_vars)
}
diff --git a/Parser/asdl.py b/Parser/asdl.py
index 7b4e2dc..c63dfa7 100644
--- a/Parser/asdl.py
+++ b/Parser/asdl.py
@@ -114,28 +114,20 @@ class ASDLParser(spark.GenericParser, object):
raise ASDLSyntaxError(tok.lineno, tok)
def p_module_0(self, info):
- " module ::= Id Id version { } "
- module, name, version, _0, _1 = info
+ " module ::= Id Id { } "
+ module, name, _0, _1 = info
if module.value != "module":
raise ASDLSyntaxError(module.lineno,
msg="expected 'module', found %s" % module)
- return Module(name, None, version)
+ return Module(name, None)
def p_module(self, info):
- " module ::= Id Id version { definitions } "
- module, name, version, _0, definitions, _1 = info
+ " module ::= Id Id { definitions } "
+ module, name, _0, definitions, _1 = info
if module.value != "module":
raise ASDLSyntaxError(module.lineno,
msg="expected 'module', found %s" % module)
- return Module(name, definitions, version)
-
- def p_version(self, info):
- "version ::= Id String"
- version, V = info
- if version.value != "version":
- raise ASDLSyntaxError(version.lineno,
- msg="expected 'version', found %" % version)
- return V
+ return Module(name, definitions)
def p_definition_0(self, definition):
" definitions ::= definition "
@@ -246,10 +238,9 @@ class AST(object):
pass # a marker class
class Module(AST):
- def __init__(self, name, dfns, version):
+ def __init__(self, name, dfns):
self.name = name
self.dfns = dfns
- self.version = version
self.types = {} # maps type name to value (from dfns)
for type in dfns:
self.types[type.name.value] = type.value
diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index 8a7f8ae..432d7b7 100755
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -5,6 +5,7 @@
# handle fields that have a type but no name
import os, sys
+import subprocess
import asdl
@@ -914,10 +915,6 @@ class ASTModuleVisitor(PickleVisitor):
self.emit('if (PyDict_SetItemString(d, "AST", (PyObject*)&AST_type) < 0) return NULL;', 1)
self.emit('if (PyModule_AddIntConstant(m, "PyCF_ONLY_AST", PyCF_ONLY_AST) < 0)', 1)
self.emit("return NULL;", 2)
- # Value of version: "$Revision$"
- self.emit('if (PyModule_AddStringConstant(m, "__version__", "%s") < 0)'
- % mod.version, 1)
- self.emit("return NULL;", 2)
for dfn in mod.dfns:
self.visit(dfn)
self.emit("return m;", 1)
@@ -1138,24 +1135,12 @@ class ChainOfVisitors:
common_msg = "/* File automatically generated by %s. */\n\n"
-c_file_msg = """
-/*
- __version__ %s.
-
- This module must be committed separately after each AST grammar change;
- The __version__ number is set to the revision number of the commit
- containing the grammar change.
-*/
-
-"""
-
def main(srcfile):
argv0 = sys.argv[0]
components = argv0.split(os.sep)
argv0 = os.sep.join(components[-2:])
auto_gen_msg = common_msg % argv0
mod = asdl.parse(srcfile)
- mod.version = "82163"
if not asdl.check(mod):
sys.exit(1)
if INC_DIR:
@@ -1177,7 +1162,6 @@ def main(srcfile):
p = os.path.join(SRC_DIR, str(mod.name) + "-ast.c")
f = open(p, "w")
f.write(auto_gen_msg)
- f.write(c_file_msg % mod.version)
f.write('#include "Python.h"\n')
f.write('#include "%s-ast.h"\n' % mod.name)
f.write('\n')
diff --git a/Parser/intrcheck.c b/Parser/intrcheck.c
deleted file mode 100644
index 4439864..0000000
--- a/Parser/intrcheck.c
+++ /dev/null
@@ -1,174 +0,0 @@
-
-/* Check for interrupts */
-
-#include "Python.h"
-#include "pythread.h"
-
-#ifdef QUICKWIN
-
-#include <io.h>
-
-void
-PyOS_InitInterrupts(void)
-{
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
- _wyield();
-}
-
-#define OK
-
-#endif /* QUICKWIN */
-
-#if defined(_M_IX86) && !defined(__QNX__)
-#include <io.h>
-#endif
-
-#if defined(MSDOS) && !defined(QUICKWIN)
-
-#ifdef __GNUC__
-
-/* This is for DJGPP's GO32 extender. I don't know how to trap
- * control-C (There's no API for ctrl-C, and I don't want to mess with
- * the interrupt vectors.) However, this DOES catch control-break.
- * --Amrit
- */
-
-#include <go32.h>
-
-void
-PyOS_InitInterrupts(void)
-{
- _go32_want_ctrl_break(1 /* TRUE */);
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
- return _go32_was_ctrl_break_hit();
-}
-
-#else /* !__GNUC__ */
-
-/* This might work for MS-DOS (untested though): */
-
-void
-PyOS_InitInterrupts(void)
-{
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
- int interrupted = 0;
- while (kbhit()) {
- if (getch() == '\003')
- interrupted = 1;
- }
- return interrupted;
-}
-
-#endif /* __GNUC__ */
-
-#define OK
-
-#endif /* MSDOS && !QUICKWIN */
-
-
-#ifndef OK
-
-/* Default version -- for real operating systems and for Standard C */
-
-#include <stdio.h>
-#include <string.h>
-#include <signal.h>
-
-static int interrupted;
-
-void
-PyErr_SetInterrupt(void)
-{
- interrupted = 1;
-}
-
-extern int PyErr_CheckSignals(void);
-
-static int
-checksignals_witharg(void * arg)
-{
- return PyErr_CheckSignals();
-}
-
-static void
-intcatcher(int sig)
-{
- extern void Py_Exit(int);
- static char message[] =
-"python: to interrupt a truly hanging Python program, interrupt once more.\n";
- switch (interrupted++) {
- case 0:
- break;
- case 1:
- write(2, message, strlen(message));
- break;
- case 2:
- interrupted = 0;
- Py_Exit(1);
- break;
- }
- PyOS_setsig(SIGINT, intcatcher);
- Py_AddPendingCall(checksignals_witharg, NULL);
-}
-
-static void (*old_siginthandler)(int) = SIG_DFL;
-
-void
-PyOS_InitInterrupts(void)
-{
- if ((old_siginthandler = PyOS_setsig(SIGINT, SIG_IGN)) != SIG_IGN)
- PyOS_setsig(SIGINT, intcatcher);
-}
-
-void
-PyOS_FiniInterrupts(void)
-{
- PyOS_setsig(SIGINT, old_siginthandler);
-}
-
-int
-PyOS_InterruptOccurred(void)
-{
- if (!interrupted)
- return 0;
- interrupted = 0;
- return 1;
-}
-
-#endif /* !OK */
-
-void
-PyOS_AfterFork(void)
-{
-#ifdef WITH_THREAD
- PyEval_ReInitThreads();
- PyThread_ReInitTLS();
-#endif
-}
diff --git a/Parser/parsetok.c b/Parser/parsetok.c
index 7636a54..431a87c 100644
--- a/Parser/parsetok.c
+++ b/Parser/parsetok.c
@@ -13,7 +13,7 @@
/* Forward */
static node *parsetok(struct tok_state *, grammar *, int, perrdetail *, int *);
-static void initerr(perrdetail *err_ret, const char* filename);
+static int initerr(perrdetail *err_ret, const char* filename);
/* Parse input coming from a string. Return error code, print some errors. */
node *
@@ -48,7 +48,8 @@ PyParser_ParseStringFlagsFilenameEx(const char *s, const char *filename,
struct tok_state *tok;
int exec_input = start == file_input;
- initerr(err_ret, filename);
+ if (initerr(err_ret, filename) < 0)
+ return NULL;
if (*flags & PyPARSE_IGNORE_COOKIE)
tok = PyTokenizer_FromUTF8(s, exec_input);
@@ -59,7 +60,10 @@ PyParser_ParseStringFlagsFilenameEx(const char *s, const char *filename,
return NULL;
}
- tok->filename = filename ? filename : "<string>";
+#ifndef PGEN
+ Py_INCREF(err_ret->filename);
+ tok->filename = err_ret->filename;
+#endif
return parsetok(tok, g, start, err_ret, flags);
}
@@ -90,13 +94,17 @@ PyParser_ParseFileFlagsEx(FILE *fp, const char *filename,
{
struct tok_state *tok;
- initerr(err_ret, filename);
+ if (initerr(err_ret, filename) < 0)
+ return NULL;
if ((tok = PyTokenizer_FromFile(fp, (char *)enc, ps1, ps2)) == NULL) {
err_ret->error = E_NOMEM;
return NULL;
}
- tok->filename = filename;
+#ifndef PGEN
+ Py_INCREF(err_ret->filename);
+ tok->filename = err_ret->filename;
+#endif
return parsetok(tok, g, start, err_ret, flags);
}
@@ -127,7 +135,7 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
{
parser_state *ps;
node *n;
- int started = 0, handling_import = 0, handling_with = 0;
+ int started = 0;
if ((ps = PyParser_New(g, start)) == NULL) {
fprintf(stderr, "no mem for new parser\n");
@@ -154,7 +162,6 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
}
if (type == ENDMARKER && started) {
type = NEWLINE; /* Add an extra newline */
- handling_with = handling_import = 0;
started = 0;
/* Add the right number of dedent tokens,
except if a certain flag is given --
@@ -225,7 +232,7 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
PyParser_Delete(ps);
if (n == NULL) {
- if (tok->lineno <= 1 && tok->done == E_EOF)
+ if (tok->done == E_EOF)
err_ret->error = E_EOF;
err_ret->lineno = tok->lineno;
if (tok->buf != NULL) {
@@ -268,14 +275,24 @@ done:
return n;
}
-static void
+static int
initerr(perrdetail *err_ret, const char *filename)
{
err_ret->error = E_OK;
- err_ret->filename = filename;
err_ret->lineno = 0;
err_ret->offset = 0;
err_ret->text = NULL;
err_ret->token = -1;
err_ret->expected = -1;
+#ifndef PGEN
+ if (filename)
+ err_ret->filename = PyUnicode_DecodeFSDefault(filename);
+ else
+ err_ret->filename = PyUnicode_FromString("<string>");
+ if (err_ret->filename == NULL) {
+ err_ret->error = E_ERROR;
+ return -1;
+ }
+#endif
+ return 0;
}
diff --git a/Parser/parsetok_pgen.c b/Parser/parsetok_pgen.c
new file mode 100644
index 0000000..97b9288
--- /dev/null
+++ b/Parser/parsetok_pgen.c
@@ -0,0 +1,2 @@
+#define PGEN
+#include "parsetok.c"
diff --git a/Parser/pgenmain.c b/Parser/pgenmain.c
index 4b7b55a..52b8380 100644
--- a/Parser/pgenmain.c
+++ b/Parser/pgenmain.c
@@ -29,6 +29,8 @@ int Py_IgnoreEnvironmentFlag;
/* Forward */
grammar *getgrammar(char *filename);
+void Py_Exit(int) _Py_NO_RETURN;
+
void
Py_Exit(int sts)
{
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 5ba12a4..f4d7e3f 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -128,7 +128,6 @@ tok_new(void)
tok->prompt = tok->nextprompt = NULL;
tok->lineno = 0;
tok->level = 0;
- tok->filename = NULL;
tok->altwarning = 1;
tok->alterror = 1;
tok->alttabsize = 1;
@@ -140,6 +139,7 @@ tok_new(void)
tok->encoding = NULL;
tok->cont_line = 0;
#ifndef PGEN
+ tok->filename = NULL;
tok->decoding_readline = NULL;
tok->decoding_buffer = NULL;
#endif
@@ -545,7 +545,6 @@ decoding_fgets(char *s, int size, struct tok_state *tok)
{
char *line = NULL;
int badchar = 0;
- PyObject *filename;
for (;;) {
if (tok->decoding_state == STATE_NORMAL) {
/* We already have a codec associated with
@@ -586,19 +585,12 @@ decoding_fgets(char *s, int size, struct tok_state *tok)
if (badchar) {
/* Need to add 1 to the line number, since this line
has not been counted, yet. */
- if (tok->filename != NULL)
- filename = PyUnicode_DecodeFSDefault(tok->filename);
- else
- filename = PyUnicode_FromString("<file>");
- if (filename != NULL) {
- PyErr_Format(PyExc_SyntaxError,
- "Non-UTF-8 code starting with '\\x%.2x' "
- "in file %U on line %i, "
- "but no encoding declared; "
- "see http://python.org/dev/peps/pep-0263/ for details",
- badchar, filename, tok->lineno + 1);
- Py_DECREF(filename);
- }
+ PyErr_Format(PyExc_SyntaxError,
+ "Non-UTF-8 code starting with '\\x%.2x' "
+ "in file %U on line %i, "
+ "but no encoding declared; "
+ "see http://python.org/dev/peps/pep-0263/ for details",
+ badchar, tok->filename, tok->lineno + 1);
return error_ret(tok);
}
#endif
@@ -856,6 +848,7 @@ PyTokenizer_Free(struct tok_state *tok)
#ifndef PGEN
Py_XDECREF(tok->decoding_readline);
Py_XDECREF(tok->decoding_buffer);
+ Py_XDECREF(tok->filename);
#endif
if (tok->fp != NULL && tok->buf != NULL)
PyMem_FREE(tok->buf);
@@ -1250,8 +1243,13 @@ indenterror(struct tok_state *tok)
return 1;
}
if (tok->altwarning) {
- PySys_WriteStderr("%s: inconsistent use of tabs and spaces "
+#ifdef PGEN
+ PySys_WriteStderr("inconsistent use of tabs and spaces "
+ "in indentation\n");
+#else
+ PySys_FormatStderr("%U: inconsistent use of tabs and spaces "
"in indentation\n", tok->filename);
+#endif
tok->altwarning = 0;
}
return 0;
@@ -1692,17 +1690,18 @@ PyTokenizer_Get(struct tok_state *tok, char **p_start, char **p_end)
return result;
}
-/* Get -*- encoding -*- from a Python file.
+/* Get the encoding of a Python file. Check for the coding cookie and check if
+ the file starts with a BOM.
- PyTokenizer_FindEncoding returns NULL when it can't find the encoding in
- the first or second line of the file (in which case the encoding
- should be assumed to be PyUnicode_GetDefaultEncoding()).
+ PyTokenizer_FindEncodingFilename() returns NULL when it can't find the
+ encoding in the first or second line of the file (in which case the encoding
+ should be assumed to be UTF-8).
+
+ The char* returned is malloc'ed via PyMem_MALLOC() and thus must be freed
+ by the caller. */
- The char * returned is malloc'ed via PyMem_MALLOC() and thus must be freed
- by the caller.
-*/
char *
-PyTokenizer_FindEncoding(int fd)
+PyTokenizer_FindEncodingFilename(int fd, PyObject *filename)
{
struct tok_state *tok;
FILE *fp;
@@ -1721,6 +1720,20 @@ PyTokenizer_FindEncoding(int fd)
fclose(fp);
return NULL;
}
+#ifndef PGEN
+ if (filename != NULL) {
+ Py_INCREF(filename);
+ tok->filename = filename;
+ }
+ else {
+ tok->filename = PyUnicode_FromString("<string>");
+ if (tok->filename == NULL) {
+ fclose(fp);
+ PyTokenizer_Free(tok);
+ return encoding;
+ }
+ }
+#endif
while (tok->lineno < 2 && tok->done == E_OK) {
PyTokenizer_Get(tok, &p_start, &p_end);
}
@@ -1734,6 +1747,12 @@ PyTokenizer_FindEncoding(int fd)
return encoding;
}
+char *
+PyTokenizer_FindEncoding(int fd)
+{
+ return PyTokenizer_FindEncodingFilename(fd, NULL);
+}
+
#ifdef Py_DEBUG
void
diff --git a/Parser/tokenizer.h b/Parser/tokenizer.h
index 2be3bf2..ed1f3aa 100644
--- a/Parser/tokenizer.h
+++ b/Parser/tokenizer.h
@@ -40,7 +40,13 @@ struct tok_state {
int level; /* () [] {} Parentheses nesting level */
/* Used to allow free continuations inside them */
/* Stuff for checking on different tab sizes */
- const char *filename; /* encoded to the filesystem encoding */
+#ifndef PGEN
+ /* pgen doesn't have access to Python codecs, it cannot decode the input
+ filename. The bytes filename might be kept, but it is only used by
+ indenterror() and it is not really needed: pgen only compiles one file
+ (Grammar/Grammar). */
+ PyObject *filename;
+#endif
int altwarning; /* Issue warning if alternate tabs don't match */
int alterror; /* Issue error if alternate tabs don't match */
int alttabsize; /* Alternate tab spacing */
@@ -69,7 +75,6 @@ extern void PyTokenizer_Free(struct tok_state *);
extern int PyTokenizer_Get(struct tok_state *, char **, char **);
extern char * PyTokenizer_RestoreEncoding(struct tok_state* tok,
int len, int *offset);
-extern char * PyTokenizer_FindEncoding(int);
#ifdef __cplusplus
}
generated by cgit v0.12 at 2024-11-28 20:47:35 (GMT)