https://github.com/python/cpython/commit/aba42c0b547e6395c9c268cf98a298d0494cb9df
commit: aba42c0b547e6395c9c268cf98a298d0494cb9df
branch: main
author: Irit Katriel <[email protected]>
committer: iritkatriel <[email protected]>
date: 2024-09-16T15:05:00+01:00
summary:
gh-123969: refactor _PyErr_RaiseSyntaxError and _PyErr_EmitSyntaxWarning out of
compiler (#123972)
files:
M Include/internal/pycore_compile.h
M Include/internal/pycore_pyerrors.h
M Python/compile.c
M Python/errors.c
diff --git a/Include/internal/pycore_compile.h
b/Include/internal/pycore_compile.h
index f089eb05097b52..9f0ca33892a43b 100644
--- a/Include/internal/pycore_compile.h
+++ b/Include/internal/pycore_compile.h
@@ -33,8 +33,6 @@ extern int _PyCompile_AstOptimize(
int optimize,
struct _arena *arena);
-struct _Py_SourceLocation;
-
extern int _PyAST_Optimize(
struct _mod *,
struct _arena *arena,
diff --git a/Include/internal/pycore_pyerrors.h
b/Include/internal/pycore_pyerrors.h
index 9835e495d176e7..02945f0e71a145 100644
--- a/Include/internal/pycore_pyerrors.h
+++ b/Include/internal/pycore_pyerrors.h
@@ -120,6 +120,11 @@ extern void _PyErr_SetNone(PyThreadState *tstate, PyObject
*exception);
extern PyObject* _PyErr_NoMemory(PyThreadState *tstate);
+extern int _PyErr_EmitSyntaxWarning(PyObject *msg, PyObject *filename, int
lineno, int col_offset,
+ int end_lineno, int end_col_offset);
+extern void _PyErr_RaiseSyntaxError(PyObject *msg, PyObject *filename, int
lineno, int col_offset,
+ int end_lineno, int end_col_offset);
+
PyAPI_FUNC(void) _PyErr_SetString(
PyThreadState *tstate,
PyObject *exception,
diff --git a/Python/compile.c b/Python/compile.c
index cdd4878257525f..7b3e6f336e44b1 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1112,27 +1112,15 @@ _PyCompile_Error(compiler *c, location loc, const char
*format, ...)
if (msg == NULL) {
return ERROR;
}
- PyObject *loc_obj = PyErr_ProgramTextObject(c->c_filename, loc.lineno);
- if (loc_obj == NULL) {
- loc_obj = Py_None;
- }
- PyObject *args = Py_BuildValue("O(OiiOii)", msg, c->c_filename,
- loc.lineno, loc.col_offset + 1, loc_obj,
- loc.end_lineno, loc.end_col_offset + 1);
+ _PyErr_RaiseSyntaxError(msg, c->c_filename, loc.lineno, loc.col_offset + 1,
+ loc.end_lineno, loc.end_col_offset + 1);
Py_DECREF(msg);
- if (args == NULL) {
- goto exit;
- }
- PyErr_SetObject(PyExc_SyntaxError, args);
- exit:
- Py_DECREF(loc_obj);
- Py_XDECREF(args);
return ERROR;
}
-/* Emits a SyntaxWarning and returns 1 on success.
+/* Emits a SyntaxWarning and returns 0 on success.
If a SyntaxWarning raised as error, replaces it with a SyntaxError
- and returns 0.
+ and returns -1.
*/
int
_PyCompile_Warn(compiler *c, location loc, const char *format, ...)
@@ -1144,21 +1132,10 @@ _PyCompile_Warn(compiler *c, location loc, const char
*format, ...)
if (msg == NULL) {
return ERROR;
}
- if (PyErr_WarnExplicitObject(PyExc_SyntaxWarning, msg, c->c_filename,
- loc.lineno, NULL, NULL) < 0)
- {
- if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
- /* Replace the SyntaxWarning exception with a SyntaxError
- to get a more accurate error report */
- PyErr_Clear();
- assert(PyUnicode_AsUTF8(msg) != NULL);
- _PyCompile_Error(c, loc, PyUnicode_AsUTF8(msg));
- }
- Py_DECREF(msg);
- return ERROR;
- }
+ int ret = _PyErr_EmitSyntaxWarning(msg, c->c_filename, loc.lineno,
loc.col_offset + 1,
+ loc.end_lineno, loc.end_col_offset + 1);
Py_DECREF(msg);
- return SUCCESS;
+ return ret;
}
PyObject *
diff --git a/Python/errors.c b/Python/errors.c
index ad6b7dbef075cc..29249ac41c6346 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -1850,6 +1850,52 @@ PyErr_SyntaxLocationEx(const char *filename, int lineno,
int col_offset)
Py_XDECREF(fileobj);
}
+/* Raises a SyntaxError.
+ * If something goes wrong, a different exception may be raised.
+ */
+void
+_PyErr_RaiseSyntaxError(PyObject *msg, PyObject *filename, int lineno, int
col_offset,
+ int end_lineno, int end_col_offset)
+{
+ PyObject *text = PyErr_ProgramTextObject(filename, lineno);
+ if (text == NULL) {
+ text = Py_NewRef(Py_None);
+ }
+ PyObject *args = Py_BuildValue("O(OiiOii)", msg, filename,
+ lineno, col_offset, text,
+ end_lineno, end_col_offset);
+ if (args == NULL) {
+ goto exit;
+ }
+ PyErr_SetObject(PyExc_SyntaxError, args);
+ exit:
+ Py_DECREF(text);
+ Py_XDECREF(args);
+}
+
+/* Emits a SyntaxWarning and returns 0 on success.
+ If a SyntaxWarning is raised as error, replaces it with a SyntaxError
+ and returns -1.
+*/
+int
+_PyErr_EmitSyntaxWarning(PyObject *msg, PyObject *filename, int lineno, int
col_offset,
+ int end_lineno, int end_col_offset)
+{
+ if (PyErr_WarnExplicitObject(PyExc_SyntaxWarning, msg, filename,
+ lineno, NULL, NULL) < 0)
+ {
+ if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
+ /* Replace the SyntaxWarning exception with a SyntaxError
+ to get a more accurate error report */
+ PyErr_Clear();
+ _PyErr_RaiseSyntaxError(msg, filename, lineno, col_offset,
+ end_lineno, end_col_offset);
+ }
+ return -1;
+ }
+ return 0;
+}
+
/* Attempt to load the line of text that the exception refers to. If it
fails, it will return NULL but will not set an exception.
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