diff options
Diffstat (limited to 'Parser/pegen.c')
| -rw-r--r-- | Parser/pegen.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Parser/pegen.c b/Parser/pegen.c index 31e3ec0..a5d123d 100644 --- a/Parser/pegen.c +++ b/Parser/pegen.c @@ -1,5 +1,6 @@ #include <Python.h> #include "pycore_ast.h" // _PyAST_Validate(), +#include "pycore_pystate.h" // _PyThreadState_GET() #include <errcode.h> #include "tokenizer.h" @@ -645,6 +646,28 @@ _PyPegen_number_token(Parser *p) if (c == NULL) { p->error_indicator = 1; + PyThreadState *tstate = _PyThreadState_GET(); + // The only way a ValueError should happen in _this_ code is via + // PyLong_FromString hitting a length limit. + if (tstate->curexc_type == PyExc_ValueError && + tstate->curexc_value != NULL) { + PyObject *type, *value, *tb; + // This acts as PyErr_Clear() as we're replacing curexc. + PyErr_Fetch(&type, &value, &tb); + Py_XDECREF(tb); + Py_DECREF(type); + /* Intentionally omitting columns to avoid a wall of 1000s of '^'s + * on the error message. Nobody is going to overlook their huge + * numeric literal once given the line. */ + RAISE_ERROR_KNOWN_LOCATION( + p, PyExc_SyntaxError, + t->lineno, -1 /* col_offset */, + t->end_lineno, -1 /* end_col_offset */, + "%S - Consider hexadecimal for huge integer literals " + "to avoid decimal conversion limits.", + value); + Py_DECREF(value); + } return NULL; } |