bpo-40939: Remove PEG parser easter egg (__new_parser__) (#20802)
It no longer serves a purpose (there's only one parser) and having "new" in any name will eventually look odd. Also, it impinges on a potential sub-namespace, `__new_...__`.
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@ -477,7 +477,6 @@ atom[expr_ty]:
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| 'True' { _Py_Constant(Py_True, NULL, EXTRA) }
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| 'False' { _Py_Constant(Py_False, NULL, EXTRA) }
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| 'None' { _Py_Constant(Py_None, NULL, EXTRA) }
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| '__new_parser__' { RAISE_SYNTAX_ERROR("You found it!") }
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| &STRING strings
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| NUMBER
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| &'(' (tuple | group | genexp)
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@ -19,7 +19,6 @@ kwlist = [
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'False',
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'None',
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'True',
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'__new_parser__',
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'and',
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'as',
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'assert',
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@ -1817,7 +1817,6 @@ class Helper:
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'False': '',
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'None': '',
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'True': '',
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'__new_parser__': '',
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'and': 'BOOLEAN',
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'as': 'with',
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'assert': ('assert', ''),
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@ -7,7 +7,7 @@ extern int Py_DebugFlag;
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#else
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#define D(x)
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#endif
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static const int n_keyword_lists = 15;
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static const int n_keyword_lists = 9;
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static KeywordToken *reserved_keywords[] = {
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NULL,
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NULL,
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@ -15,8 +15,8 @@ static KeywordToken *reserved_keywords[] = {
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{"if", 510},
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{"in", 518},
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{"is", 526},
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{"as", 531},
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{"or", 532},
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{"as", 530},
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{"or", 531},
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{NULL, -1},
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},
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(KeywordToken[]) {
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@ -25,7 +25,7 @@ static KeywordToken *reserved_keywords[] = {
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{"for", 517},
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{"def", 522},
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{"not", 525},
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{"and", 533},
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{"and", 532},
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{NULL, -1},
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},
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(KeywordToken[]) {
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@ -65,15 +65,6 @@ static KeywordToken *reserved_keywords[] = {
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{"nonlocal", 509},
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{NULL, -1},
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},
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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(KeywordToken[]) {
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{"__new_parser__", 530},
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{NULL, -1},
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},
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};
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#define file_type 1000
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#define interactive_type 1001
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@ -10567,7 +10558,6 @@ slice_rule(Parser *p)
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// | 'True'
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// | 'False'
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// | 'None'
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// | '__new_parser__'
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// | &STRING strings
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// | NUMBER
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// | &'(' (tuple | group | genexp)
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@ -10711,30 +10701,6 @@ atom_rule(Parser *p)
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D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
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p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'None'"));
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}
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{ // '__new_parser__'
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if (p->error_indicator) {
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D(p->level--);
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return NULL;
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}
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D(fprintf(stderr, "%*c> atom[%d-%d]: %s\n", p->level, ' ', _mark, p->mark, "'__new_parser__'"));
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Token * _keyword;
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if (
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(_keyword = _PyPegen_expect_token(p, 530)) // token='__new_parser__'
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)
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{
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D(fprintf(stderr, "%*c+ atom[%d-%d]: %s succeeded!\n", p->level, ' ', _mark, p->mark, "'__new_parser__'"));
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_res = RAISE_SYNTAX_ERROR ( "You found it!" );
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if (_res == NULL && PyErr_Occurred()) {
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p->error_indicator = 1;
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D(p->level--);
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return NULL;
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}
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goto done;
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}
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p->mark = _mark;
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D(fprintf(stderr, "%*c%s atom[%d-%d]: %s failed!\n", p->level, ' ',
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p->error_indicator ? "ERROR!" : "-", _mark, p->mark, "'__new_parser__'"));
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}
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{ // &STRING strings
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if (p->error_indicator) {
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D(p->level--);
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@ -17313,7 +17279,7 @@ _tmp_34_rule(Parser *p)
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Token * _keyword;
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expr_ty z;
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if (
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(_keyword = _PyPegen_expect_token(p, 531)) // token='as'
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(_keyword = _PyPegen_expect_token(p, 530)) // token='as'
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&&
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(z = _PyPegen_name_token(p)) // NAME
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)
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@ -17471,7 +17437,7 @@ _tmp_37_rule(Parser *p)
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Token * _keyword;
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expr_ty z;
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if (
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(_keyword = _PyPegen_expect_token(p, 531)) // token='as'
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(_keyword = _PyPegen_expect_token(p, 530)) // token='as'
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&&
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(z = _PyPegen_name_token(p)) // NAME
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)
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@ -17971,7 +17937,7 @@ _tmp_46_rule(Parser *p)
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Token * _keyword;
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expr_ty t;
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if (
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(_keyword = _PyPegen_expect_token(p, 531)) // token='as'
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(_keyword = _PyPegen_expect_token(p, 530)) // token='as'
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&&
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(t = target_rule(p)) // target
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)
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@ -18086,7 +18052,7 @@ _tmp_48_rule(Parser *p)
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Token * _keyword;
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expr_ty z;
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if (
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(_keyword = _PyPegen_expect_token(p, 531)) // token='as'
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(_keyword = _PyPegen_expect_token(p, 530)) // token='as'
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&&
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(z = _PyPegen_name_token(p)) // NAME
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)
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@ -23892,7 +23858,7 @@ _tmp_144_rule(Parser *p)
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Token * _keyword;
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expr_ty c;
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if (
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(_keyword = _PyPegen_expect_token(p, 532)) // token='or'
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(_keyword = _PyPegen_expect_token(p, 531)) // token='or'
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&&
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(c = conjunction_rule(p)) // conjunction
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)
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@ -23936,7 +23902,7 @@ _tmp_145_rule(Parser *p)
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Token * _keyword;
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expr_ty c;
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if (
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(_keyword = _PyPegen_expect_token(p, 533)) // token='and'
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(_keyword = _PyPegen_expect_token(p, 532)) // token='and'
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&&
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(c = inversion_rule(p)) // inversion
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)
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