Batuhan Taşkaya | 258f517 | 2020-04-14 01:51:31 +0300 | [diff] [blame] | 1 | #include <float.h> /* DBL_MAX_10_EXP */ |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 2 | #include <stdbool.h> |
| 3 | #include "Python.h" |
| 4 | #include "Python-ast.h" |
| 5 | |
| 6 | static PyObject *_str_open_br; |
| 7 | static PyObject *_str_dbl_open_br; |
| 8 | static PyObject *_str_close_br; |
| 9 | static PyObject *_str_dbl_close_br; |
Batuhan Taşkaya | 258f517 | 2020-04-14 01:51:31 +0300 | [diff] [blame] | 10 | static PyObject *_str_inf; |
| 11 | static PyObject *_str_replace_inf; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 12 | |
| 13 | /* Forward declarations for recursion via helper functions. */ |
| 14 | static PyObject * |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 15 | expr_as_unicode(expr_ty e, int level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 16 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 17 | append_ast_expr(_PyUnicodeWriter *writer, expr_ty e, int level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 18 | static int |
| 19 | append_joinedstr(_PyUnicodeWriter *writer, expr_ty e, bool is_format_spec); |
| 20 | static int |
Andy Lester | 28ca43b | 2020-03-08 11:53:59 -0500 | [diff] [blame] | 21 | append_formattedvalue(_PyUnicodeWriter *writer, expr_ty e); |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 22 | static int |
Serhiy Storchaka | 13d52c2 | 2020-03-10 18:52:34 +0200 | [diff] [blame] | 23 | append_ast_slice(_PyUnicodeWriter *writer, expr_ty e); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 24 | |
| 25 | static int |
| 26 | append_charp(_PyUnicodeWriter *writer, const char *charp) |
| 27 | { |
Stéphane Wirtel | 83ab995 | 2018-02-01 17:59:27 +0100 | [diff] [blame] | 28 | return _PyUnicodeWriter_WriteASCIIString(writer, charp, -1); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 29 | } |
| 30 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 31 | #define APPEND_STR_FINISH(str) do { \ |
| 32 | return append_charp(writer, (str)); \ |
| 33 | } while (0) |
| 34 | |
| 35 | #define APPEND_STR(str) do { \ |
| 36 | if (-1 == append_charp(writer, (str))) { \ |
| 37 | return -1; \ |
| 38 | } \ |
| 39 | } while (0) |
| 40 | |
| 41 | #define APPEND_STR_IF(cond, str) do { \ |
| 42 | if ((cond) && -1 == append_charp(writer, (str))) { \ |
| 43 | return -1; \ |
| 44 | } \ |
| 45 | } while (0) |
| 46 | |
| 47 | #define APPEND_STR_IF_NOT_FIRST(str) do { \ |
| 48 | APPEND_STR_IF(!first, (str)); \ |
| 49 | first = false; \ |
| 50 | } while (0) |
| 51 | |
| 52 | #define APPEND_EXPR(expr, pr) do { \ |
| 53 | if (-1 == append_ast_expr(writer, (expr), (pr))) { \ |
| 54 | return -1; \ |
| 55 | } \ |
| 56 | } while (0) |
| 57 | |
| 58 | #define APPEND(type, value) do { \ |
| 59 | if (-1 == append_ast_ ## type(writer, (value))) { \ |
| 60 | return -1; \ |
| 61 | } \ |
| 62 | } while (0) |
| 63 | |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 64 | static int |
| 65 | append_repr(_PyUnicodeWriter *writer, PyObject *obj) |
| 66 | { |
Batuhan Taşkaya | 258f517 | 2020-04-14 01:51:31 +0300 | [diff] [blame] | 67 | PyObject *repr = PyObject_Repr(obj); |
| 68 | |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 69 | if (!repr) { |
| 70 | return -1; |
| 71 | } |
Batuhan Taşkaya | 258f517 | 2020-04-14 01:51:31 +0300 | [diff] [blame] | 72 | |
| 73 | if ((PyFloat_CheckExact(obj) && Py_IS_INFINITY(PyFloat_AS_DOUBLE(obj))) || |
| 74 | PyComplex_CheckExact(obj)) |
| 75 | { |
| 76 | PyObject *new_repr = PyUnicode_Replace( |
| 77 | repr, |
| 78 | _str_inf, |
| 79 | _str_replace_inf, |
| 80 | -1 |
| 81 | ); |
| 82 | Py_DECREF(repr); |
| 83 | if (!new_repr) { |
| 84 | return -1; |
| 85 | } |
| 86 | repr = new_repr; |
| 87 | } |
| 88 | int ret = _PyUnicodeWriter_WriteStr(writer, repr); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 89 | Py_DECREF(repr); |
| 90 | return ret; |
| 91 | } |
| 92 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 93 | /* Priority levels */ |
| 94 | |
| 95 | enum { |
| 96 | PR_TUPLE, |
| 97 | PR_TEST, /* 'if'-'else', 'lambda' */ |
| 98 | PR_OR, /* 'or' */ |
| 99 | PR_AND, /* 'and' */ |
| 100 | PR_NOT, /* 'not' */ |
| 101 | PR_CMP, /* '<', '>', '==', '>=', '<=', '!=', |
| 102 | 'in', 'not in', 'is', 'is not' */ |
| 103 | PR_EXPR, |
| 104 | PR_BOR = PR_EXPR, /* '|' */ |
| 105 | PR_BXOR, /* '^' */ |
| 106 | PR_BAND, /* '&' */ |
| 107 | PR_SHIFT, /* '<<', '>>' */ |
| 108 | PR_ARITH, /* '+', '-' */ |
| 109 | PR_TERM, /* '*', '@', '/', '%', '//' */ |
| 110 | PR_FACTOR, /* unary '+', '-', '~' */ |
| 111 | PR_POWER, /* '**' */ |
| 112 | PR_AWAIT, /* 'await' */ |
| 113 | PR_ATOM, |
| 114 | }; |
| 115 | |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 116 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 117 | append_ast_boolop(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 118 | { |
| 119 | Py_ssize_t i, value_count; |
| 120 | asdl_seq *values; |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 121 | const char *op = (e->v.BoolOp.op == And) ? " and " : " or "; |
| 122 | int pr = (e->v.BoolOp.op == And) ? PR_AND : PR_OR; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 123 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 124 | APPEND_STR_IF(level > pr, "("); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 125 | |
| 126 | values = e->v.BoolOp.values; |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 127 | value_count = asdl_seq_LEN(values); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 128 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 129 | for (i = 0; i < value_count; ++i) { |
| 130 | APPEND_STR_IF(i > 0, op); |
| 131 | APPEND_EXPR((expr_ty)asdl_seq_GET(values, i), pr + 1); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 132 | } |
| 133 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 134 | APPEND_STR_IF(level > pr, ")"); |
| 135 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 139 | append_ast_binop(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 140 | { |
| 141 | const char *op; |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 142 | int pr; |
| 143 | bool rassoc = false; /* is right-associative? */ |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 144 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 145 | switch (e->v.BinOp.op) { |
| 146 | case Add: op = " + "; pr = PR_ARITH; break; |
| 147 | case Sub: op = " - "; pr = PR_ARITH; break; |
| 148 | case Mult: op = " * "; pr = PR_TERM; break; |
| 149 | case MatMult: op = " @ "; pr = PR_TERM; break; |
| 150 | case Div: op = " / "; pr = PR_TERM; break; |
| 151 | case Mod: op = " % "; pr = PR_TERM; break; |
| 152 | case LShift: op = " << "; pr = PR_SHIFT; break; |
| 153 | case RShift: op = " >> "; pr = PR_SHIFT; break; |
| 154 | case BitOr: op = " | "; pr = PR_BOR; break; |
| 155 | case BitXor: op = " ^ "; pr = PR_BXOR; break; |
| 156 | case BitAnd: op = " & "; pr = PR_BAND; break; |
| 157 | case FloorDiv: op = " // "; pr = PR_TERM; break; |
| 158 | case Pow: op = " ** "; pr = PR_POWER; rassoc = true; break; |
Stéphane Wirtel | 83ab995 | 2018-02-01 17:59:27 +0100 | [diff] [blame] | 159 | default: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 160 | PyErr_SetString(PyExc_SystemError, |
| 161 | "unknown binary operator"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 162 | return -1; |
| 163 | } |
| 164 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 165 | APPEND_STR_IF(level > pr, "("); |
| 166 | APPEND_EXPR(e->v.BinOp.left, pr + rassoc); |
| 167 | APPEND_STR(op); |
| 168 | APPEND_EXPR(e->v.BinOp.right, pr + !rassoc); |
| 169 | APPEND_STR_IF(level > pr, ")"); |
| 170 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 174 | append_ast_unaryop(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 175 | { |
| 176 | const char *op; |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 177 | int pr; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 178 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 179 | switch (e->v.UnaryOp.op) { |
| 180 | case Invert: op = "~"; pr = PR_FACTOR; break; |
| 181 | case Not: op = "not "; pr = PR_NOT; break; |
| 182 | case UAdd: op = "+"; pr = PR_FACTOR; break; |
| 183 | case USub: op = "-"; pr = PR_FACTOR; break; |
Stéphane Wirtel | 83ab995 | 2018-02-01 17:59:27 +0100 | [diff] [blame] | 184 | default: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 185 | PyErr_SetString(PyExc_SystemError, |
| 186 | "unknown unary operator"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 187 | return -1; |
| 188 | } |
| 189 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 190 | APPEND_STR_IF(level > pr, "("); |
| 191 | APPEND_STR(op); |
| 192 | APPEND_EXPR(e->v.UnaryOp.operand, pr); |
| 193 | APPEND_STR_IF(level > pr, ")"); |
| 194 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | static int |
| 198 | append_ast_arg(_PyUnicodeWriter *writer, arg_ty arg) |
| 199 | { |
| 200 | if (-1 == _PyUnicodeWriter_WriteStr(writer, arg->arg)) { |
| 201 | return -1; |
| 202 | } |
| 203 | if (arg->annotation) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 204 | APPEND_STR(": "); |
| 205 | APPEND_EXPR(arg->annotation, PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 206 | } |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | static int |
| 211 | append_ast_args(_PyUnicodeWriter *writer, arguments_ty args) |
| 212 | { |
| 213 | bool first; |
Pablo Galindo | da6129e | 2019-05-18 23:40:22 +0100 | [diff] [blame] | 214 | Py_ssize_t i, di, arg_count, posonlyarg_count, default_count; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 215 | |
| 216 | first = true; |
| 217 | |
Pablo Galindo | da6129e | 2019-05-18 23:40:22 +0100 | [diff] [blame] | 218 | /* positional-only and positional arguments with defaults */ |
| 219 | posonlyarg_count = asdl_seq_LEN(args->posonlyargs); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 220 | arg_count = asdl_seq_LEN(args->args); |
| 221 | default_count = asdl_seq_LEN(args->defaults); |
Pablo Galindo | da6129e | 2019-05-18 23:40:22 +0100 | [diff] [blame] | 222 | for (i = 0; i < posonlyarg_count + arg_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 223 | APPEND_STR_IF_NOT_FIRST(", "); |
Pablo Galindo | da6129e | 2019-05-18 23:40:22 +0100 | [diff] [blame] | 224 | if (i < posonlyarg_count){ |
| 225 | APPEND(arg, (arg_ty)asdl_seq_GET(args->posonlyargs, i)); |
| 226 | } else { |
| 227 | APPEND(arg, (arg_ty)asdl_seq_GET(args->args, i-posonlyarg_count)); |
| 228 | } |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 229 | |
Pablo Galindo | da6129e | 2019-05-18 23:40:22 +0100 | [diff] [blame] | 230 | di = i - posonlyarg_count - arg_count + default_count; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 231 | if (di >= 0) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 232 | APPEND_STR("="); |
| 233 | APPEND_EXPR((expr_ty)asdl_seq_GET(args->defaults, di), PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 234 | } |
Pablo Galindo | da6129e | 2019-05-18 23:40:22 +0100 | [diff] [blame] | 235 | if (posonlyarg_count && i + 1 == posonlyarg_count) { |
| 236 | APPEND_STR(", /"); |
| 237 | } |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | /* vararg, or bare '*' if no varargs but keyword-only arguments present */ |
Serhiy Storchaka | 2a2940e | 2018-09-30 21:07:05 +0300 | [diff] [blame] | 241 | if (args->vararg || asdl_seq_LEN(args->kwonlyargs)) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 242 | APPEND_STR_IF_NOT_FIRST(", "); |
| 243 | APPEND_STR("*"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 244 | if (args->vararg) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 245 | APPEND(arg, args->vararg); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 246 | } |
| 247 | } |
| 248 | |
| 249 | /* keyword-only arguments */ |
| 250 | arg_count = asdl_seq_LEN(args->kwonlyargs); |
| 251 | default_count = asdl_seq_LEN(args->kw_defaults); |
| 252 | for (i = 0; i < arg_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 253 | APPEND_STR_IF_NOT_FIRST(", "); |
| 254 | APPEND(arg, (arg_ty)asdl_seq_GET(args->kwonlyargs, i)); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 255 | |
| 256 | di = i - arg_count + default_count; |
| 257 | if (di >= 0) { |
Serhiy Storchaka | 2a2940e | 2018-09-30 21:07:05 +0300 | [diff] [blame] | 258 | expr_ty default_ = (expr_ty)asdl_seq_GET(args->kw_defaults, di); |
| 259 | if (default_) { |
| 260 | APPEND_STR("="); |
| 261 | APPEND_EXPR(default_, PR_TEST); |
| 262 | } |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 263 | } |
| 264 | } |
| 265 | |
| 266 | /* **kwargs */ |
| 267 | if (args->kwarg) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 268 | APPEND_STR_IF_NOT_FIRST(", "); |
| 269 | APPEND_STR("**"); |
| 270 | APPEND(arg, args->kwarg); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | return 0; |
| 274 | } |
| 275 | |
| 276 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 277 | append_ast_lambda(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 278 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 279 | APPEND_STR_IF(level > PR_TEST, "("); |
Pablo Galindo | da6129e | 2019-05-18 23:40:22 +0100 | [diff] [blame] | 280 | Py_ssize_t n_positional = (asdl_seq_LEN(e->v.Lambda.args->args) + |
| 281 | asdl_seq_LEN(e->v.Lambda.args->posonlyargs)); |
| 282 | APPEND_STR(n_positional ? "lambda " : "lambda"); |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 283 | APPEND(args, e->v.Lambda.args); |
| 284 | APPEND_STR(": "); |
| 285 | APPEND_EXPR(e->v.Lambda.body, PR_TEST); |
| 286 | APPEND_STR_IF(level > PR_TEST, ")"); |
| 287 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 291 | append_ast_ifexp(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 292 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 293 | APPEND_STR_IF(level > PR_TEST, "("); |
| 294 | APPEND_EXPR(e->v.IfExp.body, PR_TEST + 1); |
| 295 | APPEND_STR(" if "); |
| 296 | APPEND_EXPR(e->v.IfExp.test, PR_TEST + 1); |
| 297 | APPEND_STR(" else "); |
| 298 | APPEND_EXPR(e->v.IfExp.orelse, PR_TEST); |
| 299 | APPEND_STR_IF(level > PR_TEST, ")"); |
| 300 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | static int |
| 304 | append_ast_dict(_PyUnicodeWriter *writer, expr_ty e) |
| 305 | { |
| 306 | Py_ssize_t i, value_count; |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 307 | expr_ty key_node; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 308 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 309 | APPEND_STR("{"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 310 | value_count = asdl_seq_LEN(e->v.Dict.values); |
| 311 | |
| 312 | for (i = 0; i < value_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 313 | APPEND_STR_IF(i > 0, ", "); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 314 | key_node = (expr_ty)asdl_seq_GET(e->v.Dict.keys, i); |
| 315 | if (key_node != NULL) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 316 | APPEND_EXPR(key_node, PR_TEST); |
| 317 | APPEND_STR(": "); |
| 318 | APPEND_EXPR((expr_ty)asdl_seq_GET(e->v.Dict.values, i), PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 319 | } |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 320 | else { |
| 321 | APPEND_STR("**"); |
| 322 | APPEND_EXPR((expr_ty)asdl_seq_GET(e->v.Dict.values, i), PR_EXPR); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 323 | } |
| 324 | } |
| 325 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 326 | APPEND_STR_FINISH("}"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | static int |
| 330 | append_ast_set(_PyUnicodeWriter *writer, expr_ty e) |
| 331 | { |
| 332 | Py_ssize_t i, elem_count; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 333 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 334 | APPEND_STR("{"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 335 | elem_count = asdl_seq_LEN(e->v.Set.elts); |
| 336 | for (i = 0; i < elem_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 337 | APPEND_STR_IF(i > 0, ", "); |
| 338 | APPEND_EXPR((expr_ty)asdl_seq_GET(e->v.Set.elts, i), PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 339 | } |
| 340 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 341 | APPEND_STR_FINISH("}"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | static int |
| 345 | append_ast_list(_PyUnicodeWriter *writer, expr_ty e) |
| 346 | { |
| 347 | Py_ssize_t i, elem_count; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 348 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 349 | APPEND_STR("["); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 350 | elem_count = asdl_seq_LEN(e->v.List.elts); |
| 351 | for (i = 0; i < elem_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 352 | APPEND_STR_IF(i > 0, ", "); |
| 353 | APPEND_EXPR((expr_ty)asdl_seq_GET(e->v.List.elts, i), PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 354 | } |
| 355 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 356 | APPEND_STR_FINISH("]"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 360 | append_ast_tuple(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 361 | { |
| 362 | Py_ssize_t i, elem_count; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 363 | |
| 364 | elem_count = asdl_seq_LEN(e->v.Tuple.elts); |
| 365 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 366 | if (elem_count == 0) { |
| 367 | APPEND_STR_FINISH("()"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 368 | } |
| 369 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 370 | APPEND_STR_IF(level > PR_TUPLE, "("); |
| 371 | |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 372 | for (i = 0; i < elem_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 373 | APPEND_STR_IF(i > 0, ", "); |
| 374 | APPEND_EXPR((expr_ty)asdl_seq_GET(e->v.Tuple.elts, i), PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 375 | } |
| 376 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 377 | APPEND_STR_IF(elem_count == 1, ","); |
| 378 | APPEND_STR_IF(level > PR_TUPLE, ")"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | static int |
| 383 | append_ast_comprehension(_PyUnicodeWriter *writer, comprehension_ty gen) |
| 384 | { |
| 385 | Py_ssize_t i, if_count; |
| 386 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 387 | APPEND_STR(gen->is_async ? " async for " : " for "); |
| 388 | APPEND_EXPR(gen->target, PR_TUPLE); |
| 389 | APPEND_STR(" in "); |
| 390 | APPEND_EXPR(gen->iter, PR_TEST + 1); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 391 | |
| 392 | if_count = asdl_seq_LEN(gen->ifs); |
| 393 | for (i = 0; i < if_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 394 | APPEND_STR(" if "); |
| 395 | APPEND_EXPR((expr_ty)asdl_seq_GET(gen->ifs, i), PR_TEST + 1); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 396 | } |
| 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | static int |
| 401 | append_ast_comprehensions(_PyUnicodeWriter *writer, asdl_seq *comprehensions) |
| 402 | { |
| 403 | Py_ssize_t i, gen_count; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 404 | gen_count = asdl_seq_LEN(comprehensions); |
| 405 | |
| 406 | for (i = 0; i < gen_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 407 | APPEND(comprehension, (comprehension_ty)asdl_seq_GET(comprehensions, i)); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | return 0; |
| 411 | } |
| 412 | |
| 413 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 414 | append_ast_genexp(_PyUnicodeWriter *writer, expr_ty e) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 415 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 416 | APPEND_STR("("); |
| 417 | APPEND_EXPR(e->v.GeneratorExp.elt, PR_TEST); |
| 418 | APPEND(comprehensions, e->v.GeneratorExp.generators); |
| 419 | APPEND_STR_FINISH(")"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | static int |
| 423 | append_ast_listcomp(_PyUnicodeWriter *writer, expr_ty e) |
| 424 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 425 | APPEND_STR("["); |
| 426 | APPEND_EXPR(e->v.ListComp.elt, PR_TEST); |
| 427 | APPEND(comprehensions, e->v.ListComp.generators); |
| 428 | APPEND_STR_FINISH("]"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | static int |
| 432 | append_ast_setcomp(_PyUnicodeWriter *writer, expr_ty e) |
| 433 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 434 | APPEND_STR("{"); |
| 435 | APPEND_EXPR(e->v.SetComp.elt, PR_TEST); |
| 436 | APPEND(comprehensions, e->v.SetComp.generators); |
| 437 | APPEND_STR_FINISH("}"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 438 | } |
| 439 | |
| 440 | static int |
| 441 | append_ast_dictcomp(_PyUnicodeWriter *writer, expr_ty e) |
| 442 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 443 | APPEND_STR("{"); |
| 444 | APPEND_EXPR(e->v.DictComp.key, PR_TEST); |
| 445 | APPEND_STR(": "); |
| 446 | APPEND_EXPR(e->v.DictComp.value, PR_TEST); |
| 447 | APPEND(comprehensions, e->v.DictComp.generators); |
| 448 | APPEND_STR_FINISH("}"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 452 | append_ast_compare(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 453 | { |
| 454 | const char *op; |
| 455 | Py_ssize_t i, comparator_count; |
| 456 | asdl_seq *comparators; |
| 457 | asdl_int_seq *ops; |
| 458 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 459 | APPEND_STR_IF(level > PR_CMP, "("); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 460 | |
| 461 | comparators = e->v.Compare.comparators; |
| 462 | ops = e->v.Compare.ops; |
| 463 | comparator_count = asdl_seq_LEN(comparators); |
| 464 | assert(comparator_count > 0); |
| 465 | assert(comparator_count == asdl_seq_LEN(ops)); |
| 466 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 467 | APPEND_EXPR(e->v.Compare.left, PR_CMP + 1); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 468 | |
| 469 | for (i = 0; i < comparator_count; i++) { |
| 470 | switch ((cmpop_ty)asdl_seq_GET(ops, i)) { |
| 471 | case Eq: |
| 472 | op = " == "; |
| 473 | break; |
| 474 | case NotEq: |
| 475 | op = " != "; |
| 476 | break; |
| 477 | case Lt: |
| 478 | op = " < "; |
| 479 | break; |
| 480 | case LtE: |
| 481 | op = " <= "; |
| 482 | break; |
| 483 | case Gt: |
| 484 | op = " > "; |
| 485 | break; |
| 486 | case GtE: |
| 487 | op = " >= "; |
| 488 | break; |
| 489 | case Is: |
| 490 | op = " is "; |
| 491 | break; |
| 492 | case IsNot: |
| 493 | op = " is not "; |
| 494 | break; |
| 495 | case In: |
| 496 | op = " in "; |
| 497 | break; |
| 498 | case NotIn: |
| 499 | op = " not in "; |
| 500 | break; |
| 501 | default: |
| 502 | PyErr_SetString(PyExc_SystemError, |
| 503 | "unexpected comparison kind"); |
| 504 | return -1; |
| 505 | } |
| 506 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 507 | APPEND_STR(op); |
| 508 | APPEND_EXPR((expr_ty)asdl_seq_GET(comparators, i), PR_CMP + 1); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 509 | } |
| 510 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 511 | APPEND_STR_IF(level > PR_CMP, ")"); |
| 512 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | static int |
| 516 | append_ast_keyword(_PyUnicodeWriter *writer, keyword_ty kw) |
| 517 | { |
| 518 | if (kw->arg == NULL) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 519 | APPEND_STR("**"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 520 | } |
| 521 | else { |
| 522 | if (-1 == _PyUnicodeWriter_WriteStr(writer, kw->arg)) { |
| 523 | return -1; |
| 524 | } |
| 525 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 526 | APPEND_STR("="); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 527 | } |
| 528 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 529 | APPEND_EXPR(kw->value, PR_TEST); |
| 530 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 531 | } |
| 532 | |
| 533 | static int |
| 534 | append_ast_call(_PyUnicodeWriter *writer, expr_ty e) |
| 535 | { |
| 536 | bool first; |
| 537 | Py_ssize_t i, arg_count, kw_count; |
| 538 | expr_ty expr; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 539 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 540 | APPEND_EXPR(e->v.Call.func, PR_ATOM); |
| 541 | |
| 542 | arg_count = asdl_seq_LEN(e->v.Call.args); |
| 543 | kw_count = asdl_seq_LEN(e->v.Call.keywords); |
| 544 | if (arg_count == 1 && kw_count == 0) { |
| 545 | expr = (expr_ty)asdl_seq_GET(e->v.Call.args, 0); |
| 546 | if (expr->kind == GeneratorExp_kind) { |
| 547 | /* Special case: a single generator expression. */ |
| 548 | return append_ast_genexp(writer, expr); |
| 549 | } |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 550 | } |
| 551 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 552 | APPEND_STR("("); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 553 | |
| 554 | first = true; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 555 | for (i = 0; i < arg_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 556 | APPEND_STR_IF_NOT_FIRST(", "); |
| 557 | APPEND_EXPR((expr_ty)asdl_seq_GET(e->v.Call.args, i), PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 558 | } |
| 559 | |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 560 | for (i = 0; i < kw_count; i++) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 561 | APPEND_STR_IF_NOT_FIRST(", "); |
| 562 | APPEND(keyword, (keyword_ty)asdl_seq_GET(e->v.Call.keywords, i)); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 563 | } |
| 564 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 565 | APPEND_STR_FINISH(")"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | static PyObject * |
| 569 | escape_braces(PyObject *orig) |
| 570 | { |
| 571 | PyObject *temp; |
| 572 | PyObject *result; |
| 573 | temp = PyUnicode_Replace(orig, _str_open_br, _str_dbl_open_br, -1); |
| 574 | if (!temp) { |
| 575 | return NULL; |
| 576 | } |
| 577 | result = PyUnicode_Replace(temp, _str_close_br, _str_dbl_close_br, -1); |
| 578 | Py_DECREF(temp); |
| 579 | return result; |
| 580 | } |
| 581 | |
| 582 | static int |
| 583 | append_fstring_unicode(_PyUnicodeWriter *writer, PyObject *unicode) |
| 584 | { |
| 585 | PyObject *escaped; |
| 586 | int result = -1; |
| 587 | escaped = escape_braces(unicode); |
| 588 | if (escaped) { |
| 589 | result = _PyUnicodeWriter_WriteStr(writer, escaped); |
| 590 | Py_DECREF(escaped); |
| 591 | } |
| 592 | return result; |
| 593 | } |
| 594 | |
| 595 | static int |
| 596 | append_fstring_element(_PyUnicodeWriter *writer, expr_ty e, bool is_format_spec) |
| 597 | { |
| 598 | switch (e->kind) { |
| 599 | case Constant_kind: |
| 600 | return append_fstring_unicode(writer, e->v.Constant.value); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 601 | case JoinedStr_kind: |
| 602 | return append_joinedstr(writer, e, is_format_spec); |
| 603 | case FormattedValue_kind: |
Andy Lester | 28ca43b | 2020-03-08 11:53:59 -0500 | [diff] [blame] | 604 | return append_formattedvalue(writer, e); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 605 | default: |
| 606 | PyErr_SetString(PyExc_SystemError, |
| 607 | "unknown expression kind inside f-string"); |
| 608 | return -1; |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | /* Build body separately to enable wrapping the entire stream of Strs, |
| 613 | Constants and FormattedValues in one opening and one closing quote. */ |
| 614 | static PyObject * |
| 615 | build_fstring_body(asdl_seq *values, bool is_format_spec) |
| 616 | { |
| 617 | Py_ssize_t i, value_count; |
| 618 | _PyUnicodeWriter body_writer; |
| 619 | _PyUnicodeWriter_Init(&body_writer); |
| 620 | body_writer.min_length = 256; |
| 621 | body_writer.overallocate = 1; |
| 622 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 623 | value_count = asdl_seq_LEN(values); |
| 624 | for (i = 0; i < value_count; ++i) { |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 625 | if (-1 == append_fstring_element(&body_writer, |
| 626 | (expr_ty)asdl_seq_GET(values, i), |
| 627 | is_format_spec |
| 628 | )) { |
| 629 | _PyUnicodeWriter_Dealloc(&body_writer); |
| 630 | return NULL; |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | return _PyUnicodeWriter_Finish(&body_writer); |
| 635 | } |
| 636 | |
| 637 | static int |
| 638 | append_joinedstr(_PyUnicodeWriter *writer, expr_ty e, bool is_format_spec) |
| 639 | { |
| 640 | int result = -1; |
| 641 | PyObject *body = build_fstring_body(e->v.JoinedStr.values, is_format_spec); |
| 642 | if (!body) { |
| 643 | return -1; |
| 644 | } |
| 645 | |
| 646 | if (!is_format_spec) { |
| 647 | if (-1 != append_charp(writer, "f") && |
| 648 | -1 != append_repr(writer, body)) |
| 649 | { |
| 650 | result = 0; |
| 651 | } |
| 652 | } |
| 653 | else { |
| 654 | result = _PyUnicodeWriter_WriteStr(writer, body); |
| 655 | } |
| 656 | Py_DECREF(body); |
| 657 | return result; |
| 658 | } |
| 659 | |
| 660 | static int |
Andy Lester | 28ca43b | 2020-03-08 11:53:59 -0500 | [diff] [blame] | 661 | append_formattedvalue(_PyUnicodeWriter *writer, expr_ty e) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 662 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 663 | const char *conversion; |
| 664 | const char *outer_brace = "{"; |
| 665 | /* Grammar allows PR_TUPLE, but use >PR_TEST for adding parenthesis |
| 666 | around a lambda with ':' */ |
| 667 | PyObject *temp_fv_str = expr_as_unicode(e->v.FormattedValue.value, PR_TEST + 1); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 668 | if (!temp_fv_str) { |
| 669 | return -1; |
| 670 | } |
| 671 | if (PyUnicode_Find(temp_fv_str, _str_open_br, 0, 1, 1) == 0) { |
| 672 | /* Expression starts with a brace, split it with a space from the outer |
| 673 | one. */ |
| 674 | outer_brace = "{ "; |
| 675 | } |
| 676 | if (-1 == append_charp(writer, outer_brace)) { |
| 677 | Py_DECREF(temp_fv_str); |
| 678 | return -1; |
| 679 | } |
| 680 | if (-1 == _PyUnicodeWriter_WriteStr(writer, temp_fv_str)) { |
| 681 | Py_DECREF(temp_fv_str); |
| 682 | return -1; |
| 683 | } |
| 684 | Py_DECREF(temp_fv_str); |
| 685 | |
| 686 | if (e->v.FormattedValue.conversion > 0) { |
| 687 | switch (e->v.FormattedValue.conversion) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 688 | case 'a': |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 689 | conversion = "!a"; |
| 690 | break; |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 691 | case 'r': |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 692 | conversion = "!r"; |
| 693 | break; |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 694 | case 's': |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 695 | conversion = "!s"; |
| 696 | break; |
| 697 | default: |
| 698 | PyErr_SetString(PyExc_SystemError, |
| 699 | "unknown f-value conversion kind"); |
| 700 | return -1; |
| 701 | } |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 702 | APPEND_STR(conversion); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 703 | } |
Stéphane Wirtel | 83ab995 | 2018-02-01 17:59:27 +0100 | [diff] [blame] | 704 | if (e->v.FormattedValue.format_spec) { |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 705 | if (-1 == _PyUnicodeWriter_WriteASCIIString(writer, ":", 1) || |
| 706 | -1 == append_fstring_element(writer, |
| 707 | e->v.FormattedValue.format_spec, |
| 708 | true |
| 709 | )) |
| 710 | { |
| 711 | return -1; |
| 712 | } |
| 713 | } |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 714 | |
| 715 | APPEND_STR_FINISH("}"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 716 | } |
| 717 | |
| 718 | static int |
Batuhan Taşkaya | 258f517 | 2020-04-14 01:51:31 +0300 | [diff] [blame] | 719 | append_ast_constant(_PyUnicodeWriter *writer, PyObject *constant) |
| 720 | { |
| 721 | if (PyTuple_CheckExact(constant)) { |
| 722 | Py_ssize_t i, elem_count; |
| 723 | |
| 724 | elem_count = PyTuple_GET_SIZE(constant); |
| 725 | APPEND_STR("("); |
| 726 | for (i = 0; i < elem_count; i++) { |
| 727 | APPEND_STR_IF(i > 0, ", "); |
| 728 | if (append_ast_constant(writer, PyTuple_GET_ITEM(constant, i)) < 0) { |
| 729 | return -1; |
| 730 | } |
| 731 | } |
| 732 | |
| 733 | APPEND_STR_IF(elem_count == 1, ","); |
| 734 | APPEND_STR(")"); |
| 735 | return 0; |
| 736 | } |
| 737 | return append_repr(writer, constant); |
| 738 | } |
| 739 | |
| 740 | static int |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 741 | append_ast_attribute(_PyUnicodeWriter *writer, expr_ty e) |
| 742 | { |
| 743 | const char *period; |
Serhiy Storchaka | 3f22811 | 2018-09-27 17:42:37 +0300 | [diff] [blame] | 744 | expr_ty v = e->v.Attribute.value; |
| 745 | APPEND_EXPR(v, PR_ATOM); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 746 | |
| 747 | /* Special case: integers require a space for attribute access to be |
Serhiy Storchaka | 3f22811 | 2018-09-27 17:42:37 +0300 | [diff] [blame] | 748 | unambiguous. */ |
| 749 | if (v->kind == Constant_kind && PyLong_CheckExact(v->v.Constant.value)) { |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 750 | period = " ."; |
| 751 | } |
| 752 | else { |
| 753 | period = "."; |
| 754 | } |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 755 | APPEND_STR(period); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 756 | |
| 757 | return _PyUnicodeWriter_WriteStr(writer, e->v.Attribute.attr); |
| 758 | } |
| 759 | |
| 760 | static int |
Serhiy Storchaka | 13d52c2 | 2020-03-10 18:52:34 +0200 | [diff] [blame] | 761 | append_ast_slice(_PyUnicodeWriter *writer, expr_ty e) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 762 | { |
Serhiy Storchaka | 13d52c2 | 2020-03-10 18:52:34 +0200 | [diff] [blame] | 763 | if (e->v.Slice.lower) { |
| 764 | APPEND_EXPR(e->v.Slice.lower, PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 765 | } |
| 766 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 767 | APPEND_STR(":"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 768 | |
Serhiy Storchaka | 13d52c2 | 2020-03-10 18:52:34 +0200 | [diff] [blame] | 769 | if (e->v.Slice.upper) { |
| 770 | APPEND_EXPR(e->v.Slice.upper, PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 771 | } |
| 772 | |
Serhiy Storchaka | 13d52c2 | 2020-03-10 18:52:34 +0200 | [diff] [blame] | 773 | if (e->v.Slice.step) { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 774 | APPEND_STR(":"); |
Serhiy Storchaka | 13d52c2 | 2020-03-10 18:52:34 +0200 | [diff] [blame] | 775 | APPEND_EXPR(e->v.Slice.step, PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 776 | } |
| 777 | return 0; |
| 778 | } |
| 779 | |
| 780 | static int |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 781 | append_ast_subscript(_PyUnicodeWriter *writer, expr_ty e) |
| 782 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 783 | APPEND_EXPR(e->v.Subscript.value, PR_ATOM); |
Batuhan Taskaya | 2135e10 | 2020-05-18 21:23:48 +0300 | [diff] [blame] | 784 | int level = PR_TUPLE; |
| 785 | expr_ty slice = e->v.Subscript.slice; |
| 786 | if (slice->kind == Tuple_kind) { |
| 787 | for (Py_ssize_t i = 0; i < asdl_seq_LEN(slice->v.Tuple.elts); i++) { |
| 788 | expr_ty element = asdl_seq_GET(slice->v.Tuple.elts, i); |
| 789 | if (element->kind == Starred_kind) { |
| 790 | ++level; |
| 791 | break; |
| 792 | } |
| 793 | } |
| 794 | } |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 795 | APPEND_STR("["); |
Batuhan Taskaya | 2135e10 | 2020-05-18 21:23:48 +0300 | [diff] [blame] | 796 | APPEND_EXPR(e->v.Subscript.slice, level); |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 797 | APPEND_STR_FINISH("]"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 798 | } |
| 799 | |
| 800 | static int |
| 801 | append_ast_starred(_PyUnicodeWriter *writer, expr_ty e) |
| 802 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 803 | APPEND_STR("*"); |
| 804 | APPEND_EXPR(e->v.Starred.value, PR_EXPR); |
| 805 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 806 | } |
| 807 | |
| 808 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 809 | append_ast_yield(_PyUnicodeWriter *writer, expr_ty e) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 810 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 811 | if (!e->v.Yield.value) { |
| 812 | APPEND_STR_FINISH("(yield)"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 813 | } |
| 814 | |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 815 | APPEND_STR("(yield "); |
| 816 | APPEND_EXPR(e->v.Yield.value, PR_TEST); |
| 817 | APPEND_STR_FINISH(")"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 818 | } |
| 819 | |
| 820 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 821 | append_ast_yield_from(_PyUnicodeWriter *writer, expr_ty e) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 822 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 823 | APPEND_STR("(yield from "); |
| 824 | APPEND_EXPR(e->v.YieldFrom.value, PR_TEST); |
| 825 | APPEND_STR_FINISH(")"); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 826 | } |
| 827 | |
| 828 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 829 | append_ast_await(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 830 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 831 | APPEND_STR_IF(level > PR_AWAIT, "("); |
| 832 | APPEND_STR("await "); |
| 833 | APPEND_EXPR(e->v.Await.value, PR_ATOM); |
| 834 | APPEND_STR_IF(level > PR_AWAIT, ")"); |
| 835 | return 0; |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 836 | } |
| 837 | |
| 838 | static int |
Batuhan Taşkaya | fa19a25 | 2019-05-19 01:10:20 +0300 | [diff] [blame] | 839 | append_named_expr(_PyUnicodeWriter *writer, expr_ty e, int level) |
| 840 | { |
| 841 | APPEND_STR_IF(level > PR_TUPLE, "("); |
| 842 | APPEND_EXPR(e->v.NamedExpr.target, PR_ATOM); |
Hakan Çelik | ce57883 | 2020-04-18 19:17:19 +0300 | [diff] [blame] | 843 | APPEND_STR(" := "); |
Batuhan Taşkaya | fa19a25 | 2019-05-19 01:10:20 +0300 | [diff] [blame] | 844 | APPEND_EXPR(e->v.NamedExpr.value, PR_ATOM); |
| 845 | APPEND_STR_IF(level > PR_TUPLE, ")"); |
| 846 | return 0; |
| 847 | } |
| 848 | |
| 849 | static int |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 850 | append_ast_expr(_PyUnicodeWriter *writer, expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 851 | { |
| 852 | switch (e->kind) { |
| 853 | case BoolOp_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 854 | return append_ast_boolop(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 855 | case BinOp_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 856 | return append_ast_binop(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 857 | case UnaryOp_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 858 | return append_ast_unaryop(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 859 | case Lambda_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 860 | return append_ast_lambda(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 861 | case IfExp_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 862 | return append_ast_ifexp(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 863 | case Dict_kind: |
| 864 | return append_ast_dict(writer, e); |
| 865 | case Set_kind: |
| 866 | return append_ast_set(writer, e); |
| 867 | case GeneratorExp_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 868 | return append_ast_genexp(writer, e); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 869 | case ListComp_kind: |
| 870 | return append_ast_listcomp(writer, e); |
| 871 | case SetComp_kind: |
| 872 | return append_ast_setcomp(writer, e); |
| 873 | case DictComp_kind: |
| 874 | return append_ast_dictcomp(writer, e); |
| 875 | case Yield_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 876 | return append_ast_yield(writer, e); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 877 | case YieldFrom_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 878 | return append_ast_yield_from(writer, e); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 879 | case Await_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 880 | return append_ast_await(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 881 | case Compare_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 882 | return append_ast_compare(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 883 | case Call_kind: |
| 884 | return append_ast_call(writer, e); |
| 885 | case Constant_kind: |
Serhiy Storchaka | 3f22811 | 2018-09-27 17:42:37 +0300 | [diff] [blame] | 886 | if (e->v.Constant.value == Py_Ellipsis) { |
| 887 | APPEND_STR_FINISH("..."); |
| 888 | } |
Batuhan Taşkaya | 43aeefa | 2020-04-14 23:21:22 +0300 | [diff] [blame] | 889 | if (e->v.Constant.kind != NULL |
| 890 | && -1 == _PyUnicodeWriter_WriteStr(writer, e->v.Constant.kind)) { |
| 891 | return -1; |
| 892 | } |
Batuhan Taşkaya | 258f517 | 2020-04-14 01:51:31 +0300 | [diff] [blame] | 893 | return append_ast_constant(writer, e->v.Constant.value); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 894 | case JoinedStr_kind: |
| 895 | return append_joinedstr(writer, e, false); |
| 896 | case FormattedValue_kind: |
Andy Lester | 28ca43b | 2020-03-08 11:53:59 -0500 | [diff] [blame] | 897 | return append_formattedvalue(writer, e); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 898 | /* The following exprs can be assignment targets. */ |
| 899 | case Attribute_kind: |
| 900 | return append_ast_attribute(writer, e); |
| 901 | case Subscript_kind: |
| 902 | return append_ast_subscript(writer, e); |
| 903 | case Starred_kind: |
| 904 | return append_ast_starred(writer, e); |
Serhiy Storchaka | 13d52c2 | 2020-03-10 18:52:34 +0200 | [diff] [blame] | 905 | case Slice_kind: |
| 906 | return append_ast_slice(writer, e); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 907 | case Name_kind: |
| 908 | return _PyUnicodeWriter_WriteStr(writer, e->v.Name.id); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 909 | case List_kind: |
| 910 | return append_ast_list(writer, e); |
| 911 | case Tuple_kind: |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 912 | return append_ast_tuple(writer, e, level); |
Batuhan Taşkaya | fa19a25 | 2019-05-19 01:10:20 +0300 | [diff] [blame] | 913 | case NamedExpr_kind: |
| 914 | return append_named_expr(writer, e, level); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 915 | default: |
| 916 | PyErr_SetString(PyExc_SystemError, |
| 917 | "unknown expression kind"); |
| 918 | return -1; |
| 919 | } |
| 920 | } |
| 921 | |
| 922 | static int |
Stéphane Wirtel | 83ab995 | 2018-02-01 17:59:27 +0100 | [diff] [blame] | 923 | maybe_init_static_strings(void) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 924 | { |
| 925 | if (!_str_open_br && |
| 926 | !(_str_open_br = PyUnicode_InternFromString("{"))) { |
| 927 | return -1; |
| 928 | } |
| 929 | if (!_str_dbl_open_br && |
| 930 | !(_str_dbl_open_br = PyUnicode_InternFromString("{{"))) { |
| 931 | return -1; |
| 932 | } |
| 933 | if (!_str_close_br && |
| 934 | !(_str_close_br = PyUnicode_InternFromString("}"))) { |
| 935 | return -1; |
| 936 | } |
| 937 | if (!_str_dbl_close_br && |
| 938 | !(_str_dbl_close_br = PyUnicode_InternFromString("}}"))) { |
| 939 | return -1; |
| 940 | } |
Batuhan Taşkaya | 258f517 | 2020-04-14 01:51:31 +0300 | [diff] [blame] | 941 | if (!_str_inf && |
| 942 | !(_str_inf = PyUnicode_FromString("inf"))) { |
| 943 | return -1; |
| 944 | } |
| 945 | if (!_str_replace_inf && |
| 946 | !(_str_replace_inf = PyUnicode_FromFormat("1e%d", 1 + DBL_MAX_10_EXP))) { |
| 947 | return -1; |
| 948 | } |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 949 | return 0; |
| 950 | } |
| 951 | |
| 952 | static PyObject * |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 953 | expr_as_unicode(expr_ty e, int level) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 954 | { |
| 955 | _PyUnicodeWriter writer; |
| 956 | _PyUnicodeWriter_Init(&writer); |
| 957 | writer.min_length = 256; |
| 958 | writer.overallocate = 1; |
| 959 | if (-1 == maybe_init_static_strings() || |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 960 | -1 == append_ast_expr(&writer, e, level)) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 961 | { |
| 962 | _PyUnicodeWriter_Dealloc(&writer); |
| 963 | return NULL; |
| 964 | } |
| 965 | return _PyUnicodeWriter_Finish(&writer); |
| 966 | } |
| 967 | |
| 968 | PyObject * |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 969 | _PyAST_ExprAsUnicode(expr_ty e) |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 970 | { |
Serhiy Storchaka | 64fddc4 | 2018-05-17 06:17:48 +0300 | [diff] [blame] | 971 | return expr_as_unicode(e, PR_TEST); |
Guido van Rossum | 95e4d58 | 2018-01-26 08:20:18 -0800 | [diff] [blame] | 972 | } |