vhdl: recognize ieee.std_logic_1164.is_x.

1 files changed, 161 insertions, 159 deletions

diff --git a/python/libghdl/thin/vhdl/nodes.py b/python/libghdl/thin/vhdl/nodes.py
index 15b1d9074..e5c1a431b 100644
--- a/python/libghdl/thin/vhdl/nodes.py
+++ b/python/libghdl/thin/vhdl/nodes.py
@@ -1066,165 +1066,167 @@ class Iir_Predefined:
     Ieee_1164_Vector_Xnor = 187
     Ieee_1164_Vector_Not = 188
     Ieee_1164_To_Bitvector = 189
-    Ieee_1164_Rising_Edge = 190
-    Ieee_1164_Falling_Edge = 191
-    Ieee_1164_Vector_And_Reduce = 192
-    Ieee_1164_Vector_Or_Reduce = 193
-    Ieee_1164_Condition_Operator = 194
-    Ieee_Numeric_Std_Toint_Uns_Nat = 195
-    Ieee_Numeric_Std_Toint_Sgn_Int = 196
-    Ieee_Numeric_Std_Touns_Nat_Nat_Uns = 197
-    Ieee_Numeric_Std_Touns_Nat_Uns_Uns = 198
-    Ieee_Numeric_Std_Tosgn_Int_Nat_Sgn = 199
-    Ieee_Numeric_Std_Tosgn_Int_Sgn_Sgn = 200
-    Ieee_Numeric_Std_Resize_Uns_Nat = 201
-    Ieee_Numeric_Std_Resize_Sgn_Nat = 202
-    Ieee_Numeric_Std_Resize_Uns_Uns = 203
-    Ieee_Numeric_Std_Resize_Sgn_Sgn = 204
-    Ieee_Numeric_Std_Add_Uns_Uns = 205
-    Ieee_Numeric_Std_Add_Uns_Nat = 206
-    Ieee_Numeric_Std_Add_Nat_Uns = 207
-    Ieee_Numeric_Std_Add_Uns_Log = 208
-    Ieee_Numeric_Std_Add_Log_Uns = 209
-    Ieee_Numeric_Std_Add_Sgn_Sgn = 210
-    Ieee_Numeric_Std_Add_Sgn_Int = 211
-    Ieee_Numeric_Std_Add_Int_Sgn = 212
-    Ieee_Numeric_Std_Add_Sgn_Log = 213
-    Ieee_Numeric_Std_Add_Log_Sgn = 214
-    Ieee_Numeric_Std_Sub_Uns_Uns = 215
-    Ieee_Numeric_Std_Sub_Uns_Nat = 216
-    Ieee_Numeric_Std_Sub_Nat_Uns = 217
-    Ieee_Numeric_Std_Sub_Sgn_Sgn = 218
-    Ieee_Numeric_Std_Sub_Sgn_Int = 219
-    Ieee_Numeric_Std_Sub_Int_Sgn = 220
-    Ieee_Numeric_Std_Mul_Uns_Uns = 221
-    Ieee_Numeric_Std_Mul_Uns_Nat = 222
-    Ieee_Numeric_Std_Mul_Nat_Uns = 223
-    Ieee_Numeric_Std_Mul_Sgn_Sgn = 224
-    Ieee_Numeric_Std_Mul_Sgn_Int = 225
-    Ieee_Numeric_Std_Mul_Int_Sgn = 226
-    Ieee_Numeric_Std_Div_Uns_Uns = 227
-    Ieee_Numeric_Std_Div_Uns_Nat = 228
-    Ieee_Numeric_Std_Div_Nat_Uns = 229
-    Ieee_Numeric_Std_Div_Sgn_Sgn = 230
-    Ieee_Numeric_Std_Div_Sgn_Int = 231
-    Ieee_Numeric_Std_Div_Int_Sgn = 232
-    Ieee_Numeric_Std_Gt_Uns_Uns = 233
-    Ieee_Numeric_Std_Gt_Uns_Nat = 234
-    Ieee_Numeric_Std_Gt_Nat_Uns = 235
-    Ieee_Numeric_Std_Gt_Sgn_Sgn = 236
-    Ieee_Numeric_Std_Gt_Sgn_Int = 237
-    Ieee_Numeric_Std_Gt_Int_Sgn = 238
-    Ieee_Numeric_Std_Lt_Uns_Uns = 239
-    Ieee_Numeric_Std_Lt_Uns_Nat = 240
-    Ieee_Numeric_Std_Lt_Nat_Uns = 241
-    Ieee_Numeric_Std_Lt_Sgn_Sgn = 242
-    Ieee_Numeric_Std_Lt_Sgn_Int = 243
-    Ieee_Numeric_Std_Lt_Int_Sgn = 244
-    Ieee_Numeric_Std_Le_Uns_Uns = 245
-    Ieee_Numeric_Std_Le_Uns_Nat = 246
-    Ieee_Numeric_Std_Le_Nat_Uns = 247
-    Ieee_Numeric_Std_Le_Sgn_Sgn = 248
-    Ieee_Numeric_Std_Le_Sgn_Int = 249
-    Ieee_Numeric_Std_Le_Int_Sgn = 250
-    Ieee_Numeric_Std_Ge_Uns_Uns = 251
-    Ieee_Numeric_Std_Ge_Uns_Nat = 252
-    Ieee_Numeric_Std_Ge_Nat_Uns = 253
-    Ieee_Numeric_Std_Ge_Sgn_Sgn = 254
-    Ieee_Numeric_Std_Ge_Sgn_Int = 255
-    Ieee_Numeric_Std_Ge_Int_Sgn = 256
-    Ieee_Numeric_Std_Eq_Uns_Uns = 257
-    Ieee_Numeric_Std_Eq_Uns_Nat = 258
-    Ieee_Numeric_Std_Eq_Nat_Uns = 259
-    Ieee_Numeric_Std_Eq_Sgn_Sgn = 260
-    Ieee_Numeric_Std_Eq_Sgn_Int = 261
-    Ieee_Numeric_Std_Eq_Int_Sgn = 262
-    Ieee_Numeric_Std_Ne_Uns_Uns = 263
-    Ieee_Numeric_Std_Ne_Uns_Nat = 264
-    Ieee_Numeric_Std_Ne_Nat_Uns = 265
-    Ieee_Numeric_Std_Ne_Sgn_Sgn = 266
-    Ieee_Numeric_Std_Ne_Sgn_Int = 267
-    Ieee_Numeric_Std_Ne_Int_Sgn = 268
-    Ieee_Numeric_Std_Shl_Uns_Nat = 269
-    Ieee_Numeric_Std_Shr_Uns_Nat = 270
-    Ieee_Numeric_Std_Shl_Sgn_Nat = 271
-    Ieee_Numeric_Std_Shr_Sgn_Nat = 272
-    Ieee_Numeric_Std_Rol_Uns_Nat = 273
-    Ieee_Numeric_Std_Ror_Uns_Nat = 274
-    Ieee_Numeric_Std_Rol_Sgn_Nat = 275
-    Ieee_Numeric_Std_Ror_Sgn_Nat = 276
-    Ieee_Numeric_Std_Not_Uns = 277
-    Ieee_Numeric_Std_Not_Sgn = 278
-    Ieee_Numeric_Std_And_Uns_Uns = 279
-    Ieee_Numeric_Std_And_Sgn_Sgn = 280
-    Ieee_Numeric_Std_Or_Uns_Uns = 281
-    Ieee_Numeric_Std_Or_Sgn_Sgn = 282
-    Ieee_Numeric_Std_Nand_Uns_Uns = 283
-    Ieee_Numeric_Std_Nand_Sgn_Sgn = 284
-    Ieee_Numeric_Std_Nor_Uns_Uns = 285
-    Ieee_Numeric_Std_Nor_Sgn_Sgn = 286
-    Ieee_Numeric_Std_Xor_Uns_Uns = 287
-    Ieee_Numeric_Std_Xor_Sgn_Sgn = 288
-    Ieee_Numeric_Std_Xnor_Uns_Uns = 289
-    Ieee_Numeric_Std_Xnor_Sgn_Sgn = 290
-    Ieee_Numeric_Std_Neg_Uns = 291
-    Ieee_Numeric_Std_Neg_Sgn = 292
-    Ieee_Numeric_Std_Match_Log = 293
-    Ieee_Numeric_Std_Match_Uns = 294
-    Ieee_Numeric_Std_Match_Sgn = 295
-    Ieee_Numeric_Std_Match_Slv = 296
-    Ieee_Numeric_Std_Match_Suv = 297
-    Ieee_Math_Real_Ceil = 298
-    Ieee_Math_Real_Log2 = 299
-    Ieee_Math_Real_Sin = 300
-    Ieee_Math_Real_Cos = 301
-    Ieee_Std_Logic_Unsigned_Add_Slv_Slv = 302
-    Ieee_Std_Logic_Unsigned_Add_Slv_Int = 303
-    Ieee_Std_Logic_Unsigned_Add_Int_Slv = 304
-    Ieee_Std_Logic_Unsigned_Add_Slv_Sl = 305
-    Ieee_Std_Logic_Unsigned_Add_Sl_Slv = 306
-    Ieee_Std_Logic_Unsigned_Sub_Slv_Slv = 307
-    Ieee_Std_Logic_Unsigned_Sub_Slv_Int = 308
-    Ieee_Std_Logic_Unsigned_Sub_Int_Slv = 309
-    Ieee_Std_Logic_Unsigned_Sub_Slv_Sl = 310
-    Ieee_Std_Logic_Unsigned_Sub_Sl_Slv = 311
-    Ieee_Std_Logic_Unsigned_Lt_Slv_Slv = 312
-    Ieee_Std_Logic_Unsigned_Lt_Slv_Int = 313
-    Ieee_Std_Logic_Unsigned_Lt_Int_Slv = 314
-    Ieee_Std_Logic_Unsigned_Le_Slv_Slv = 315
-    Ieee_Std_Logic_Unsigned_Le_Slv_Int = 316
-    Ieee_Std_Logic_Unsigned_Le_Int_Slv = 317
-    Ieee_Std_Logic_Unsigned_Gt_Slv_Slv = 318
-    Ieee_Std_Logic_Unsigned_Gt_Slv_Int = 319
-    Ieee_Std_Logic_Unsigned_Gt_Int_Slv = 320
-    Ieee_Std_Logic_Unsigned_Ge_Slv_Slv = 321
-    Ieee_Std_Logic_Unsigned_Ge_Slv_Int = 322
-    Ieee_Std_Logic_Unsigned_Ge_Int_Slv = 323
-    Ieee_Std_Logic_Unsigned_Eq_Slv_Slv = 324
-    Ieee_Std_Logic_Unsigned_Eq_Slv_Int = 325
-    Ieee_Std_Logic_Unsigned_Eq_Int_Slv = 326
-    Ieee_Std_Logic_Unsigned_Ne_Slv_Slv = 327
-    Ieee_Std_Logic_Unsigned_Ne_Slv_Int = 328
-    Ieee_Std_Logic_Unsigned_Ne_Int_Slv = 329
-    Ieee_Std_Logic_Unsigned_Conv_Integer = 330
-    Ieee_Std_Logic_Signed_Add_Slv_Slv = 331
-    Ieee_Std_Logic_Signed_Add_Slv_Int = 332
-    Ieee_Std_Logic_Signed_Add_Int_Slv = 333
-    Ieee_Std_Logic_Signed_Add_Slv_Sl = 334
-    Ieee_Std_Logic_Signed_Add_Sl_Slv = 335
-    Ieee_Std_Logic_Signed_Sub_Slv_Slv = 336
-    Ieee_Std_Logic_Signed_Sub_Slv_Int = 337
-    Ieee_Std_Logic_Signed_Sub_Int_Slv = 338
-    Ieee_Std_Logic_Signed_Sub_Slv_Sl = 339
-    Ieee_Std_Logic_Signed_Sub_Sl_Slv = 340
-    Ieee_Std_Logic_Arith_Conv_Unsigned_Int = 341
-    Ieee_Std_Logic_Arith_Conv_Unsigned_Uns = 342
-    Ieee_Std_Logic_Arith_Conv_Unsigned_Sgn = 343
-    Ieee_Std_Logic_Arith_Conv_Unsigned_Log = 344
-    Ieee_Std_Logic_Arith_Conv_Integer_Int = 345
-    Ieee_Std_Logic_Arith_Conv_Integer_Uns = 346
-    Ieee_Std_Logic_Arith_Conv_Integer_Sgn = 347
-    Ieee_Std_Logic_Arith_Conv_Integer_Log = 348
+    Ieee_1164_Vector_Is_X = 190
+    Ieee_1164_Scalar_Is_X = 191
+    Ieee_1164_Rising_Edge = 192
+    Ieee_1164_Falling_Edge = 193
+    Ieee_1164_Vector_And_Reduce = 194
+    Ieee_1164_Vector_Or_Reduce = 195
+    Ieee_1164_Condition_Operator = 196
+    Ieee_Numeric_Std_Toint_Uns_Nat = 197
+    Ieee_Numeric_Std_Toint_Sgn_Int = 198
+    Ieee_Numeric_Std_Touns_Nat_Nat_Uns = 199
+    Ieee_Numeric_Std_Touns_Nat_Uns_Uns = 200
+    Ieee_Numeric_Std_Tosgn_Int_Nat_Sgn = 201
+    Ieee_Numeric_Std_Tosgn_Int_Sgn_Sgn = 202
+    Ieee_Numeric_Std_Resize_Uns_Nat = 203
+    Ieee_Numeric_Std_Resize_Sgn_Nat = 204
+    Ieee_Numeric_Std_Resize_Uns_Uns = 205
+    Ieee_Numeric_Std_Resize_Sgn_Sgn = 206
+    Ieee_Numeric_Std_Add_Uns_Uns = 207
+    Ieee_Numeric_Std_Add_Uns_Nat = 208
+    Ieee_Numeric_Std_Add_Nat_Uns = 209
+    Ieee_Numeric_Std_Add_Uns_Log = 210
+    Ieee_Numeric_Std_Add_Log_Uns = 211
+    Ieee_Numeric_Std_Add_Sgn_Sgn = 212
+    Ieee_Numeric_Std_Add_Sgn_Int = 213
+    Ieee_Numeric_Std_Add_Int_Sgn = 214
+    Ieee_Numeric_Std_Add_Sgn_Log = 215
+    Ieee_Numeric_Std_Add_Log_Sgn = 216
+    Ieee_Numeric_Std_Sub_Uns_Uns = 217
+    Ieee_Numeric_Std_Sub_Uns_Nat = 218
+    Ieee_Numeric_Std_Sub_Nat_Uns = 219
+    Ieee_Numeric_Std_Sub_Sgn_Sgn = 220
+    Ieee_Numeric_Std_Sub_Sgn_Int = 221
+    Ieee_Numeric_Std_Sub_Int_Sgn = 222
+    Ieee_Numeric_Std_Mul_Uns_Uns = 223
+    Ieee_Numeric_Std_Mul_Uns_Nat = 224
+    Ieee_Numeric_Std_Mul_Nat_Uns = 225
+    Ieee_Numeric_Std_Mul_Sgn_Sgn = 226
+    Ieee_Numeric_Std_Mul_Sgn_Int = 227
+    Ieee_Numeric_Std_Mul_Int_Sgn = 228
+    Ieee_Numeric_Std_Div_Uns_Uns = 229
+    Ieee_Numeric_Std_Div_Uns_Nat = 230
+    Ieee_Numeric_Std_Div_Nat_Uns = 231
+    Ieee_Numeric_Std_Div_Sgn_Sgn = 232
+    Ieee_Numeric_Std_Div_Sgn_Int = 233
+    Ieee_Numeric_Std_Div_Int_Sgn = 234
+    Ieee_Numeric_Std_Gt_Uns_Uns = 235
+    Ieee_Numeric_Std_Gt_Uns_Nat = 236
+    Ieee_Numeric_Std_Gt_Nat_Uns = 237
+    Ieee_Numeric_Std_Gt_Sgn_Sgn = 238
+    Ieee_Numeric_Std_Gt_Sgn_Int = 239
+    Ieee_Numeric_Std_Gt_Int_Sgn = 240
+    Ieee_Numeric_Std_Lt_Uns_Uns = 241
+    Ieee_Numeric_Std_Lt_Uns_Nat = 242
+    Ieee_Numeric_Std_Lt_Nat_Uns = 243
+    Ieee_Numeric_Std_Lt_Sgn_Sgn = 244
+    Ieee_Numeric_Std_Lt_Sgn_Int = 245
+    Ieee_Numeric_Std_Lt_Int_Sgn = 246
+    Ieee_Numeric_Std_Le_Uns_Uns = 247
+    Ieee_Numeric_Std_Le_Uns_Nat = 248
+    Ieee_Numeric_Std_Le_Nat_Uns = 249
+    Ieee_Numeric_Std_Le_Sgn_Sgn = 250
+    Ieee_Numeric_Std_Le_Sgn_Int = 251
+    Ieee_Numeric_Std_Le_Int_Sgn = 252
+    Ieee_Numeric_Std_Ge_Uns_Uns = 253
+    Ieee_Numeric_Std_Ge_Uns_Nat = 254
+    Ieee_Numeric_Std_Ge_Nat_Uns = 255
+    Ieee_Numeric_Std_Ge_Sgn_Sgn = 256
+    Ieee_Numeric_Std_Ge_Sgn_Int = 257
+    Ieee_Numeric_Std_Ge_Int_Sgn = 258
+    Ieee_Numeric_Std_Eq_Uns_Uns = 259
+    Ieee_Numeric_Std_Eq_Uns_Nat = 260
+    Ieee_Numeric_Std_Eq_Nat_Uns = 261
+    Ieee_Numeric_Std_Eq_Sgn_Sgn = 262
+    Ieee_Numeric_Std_Eq_Sgn_Int = 263
+    Ieee_Numeric_Std_Eq_Int_Sgn = 264
+    Ieee_Numeric_Std_Ne_Uns_Uns = 265
+    Ieee_Numeric_Std_Ne_Uns_Nat = 266
+    Ieee_Numeric_Std_Ne_Nat_Uns = 267
+    Ieee_Numeric_Std_Ne_Sgn_Sgn = 268
+    Ieee_Numeric_Std_Ne_Sgn_Int = 269
+    Ieee_Numeric_Std_Ne_Int_Sgn = 270
+    Ieee_Numeric_Std_Shl_Uns_Nat = 271
+    Ieee_Numeric_Std_Shr_Uns_Nat = 272
+    Ieee_Numeric_Std_Shl_Sgn_Nat = 273
+    Ieee_Numeric_Std_Shr_Sgn_Nat = 274
+    Ieee_Numeric_Std_Rol_Uns_Nat = 275
+    Ieee_Numeric_Std_Ror_Uns_Nat = 276
+    Ieee_Numeric_Std_Rol_Sgn_Nat = 277
+    Ieee_Numeric_Std_Ror_Sgn_Nat = 278
+    Ieee_Numeric_Std_Not_Uns = 279
+    Ieee_Numeric_Std_Not_Sgn = 280
+    Ieee_Numeric_Std_And_Uns_Uns = 281
+    Ieee_Numeric_Std_And_Sgn_Sgn = 282
+    Ieee_Numeric_Std_Or_Uns_Uns = 283
+    Ieee_Numeric_Std_Or_Sgn_Sgn = 284
+    Ieee_Numeric_Std_Nand_Uns_Uns = 285
+    Ieee_Numeric_Std_Nand_Sgn_Sgn = 286
+    Ieee_Numeric_Std_Nor_Uns_Uns = 287
+    Ieee_Numeric_Std_Nor_Sgn_Sgn = 288
+    Ieee_Numeric_Std_Xor_Uns_Uns = 289
+    Ieee_Numeric_Std_Xor_Sgn_Sgn = 290
+    Ieee_Numeric_Std_Xnor_Uns_Uns = 291
+    Ieee_Numeric_Std_Xnor_Sgn_Sgn = 292
+    Ieee_Numeric_Std_Neg_Uns = 293
+    Ieee_Numeric_Std_Neg_Sgn = 294
+    Ieee_Numeric_Std_Match_Log = 295
+    Ieee_Numeric_Std_Match_Uns = 296
+    Ieee_Numeric_Std_Match_Sgn = 297
+    Ieee_Numeric_Std_Match_Slv = 298
+    Ieee_Numeric_Std_Match_Suv = 299
+    Ieee_Math_Real_Ceil = 300
+    Ieee_Math_Real_Log2 = 301
+    Ieee_Math_Real_Sin = 302
+    Ieee_Math_Real_Cos = 303
+    Ieee_Std_Logic_Unsigned_Add_Slv_Slv = 304
+    Ieee_Std_Logic_Unsigned_Add_Slv_Int = 305
+    Ieee_Std_Logic_Unsigned_Add_Int_Slv = 306
+    Ieee_Std_Logic_Unsigned_Add_Slv_Sl = 307
+    Ieee_Std_Logic_Unsigned_Add_Sl_Slv = 308
+    Ieee_Std_Logic_Unsigned_Sub_Slv_Slv = 309
+    Ieee_Std_Logic_Unsigned_Sub_Slv_Int = 310
+    Ieee_Std_Logic_Unsigned_Sub_Int_Slv = 311
+    Ieee_Std_Logic_Unsigned_Sub_Slv_Sl = 312
+    Ieee_Std_Logic_Unsigned_Sub_Sl_Slv = 313
+    Ieee_Std_Logic_Unsigned_Lt_Slv_Slv = 314
+    Ieee_Std_Logic_Unsigned_Lt_Slv_Int = 315
+    Ieee_Std_Logic_Unsigned_Lt_Int_Slv = 316
+    Ieee_Std_Logic_Unsigned_Le_Slv_Slv = 317
+    Ieee_Std_Logic_Unsigned_Le_Slv_Int = 318
+    Ieee_Std_Logic_Unsigned_Le_Int_Slv = 319
+    Ieee_Std_Logic_Unsigned_Gt_Slv_Slv = 320
+    Ieee_Std_Logic_Unsigned_Gt_Slv_Int = 321
+    Ieee_Std_Logic_Unsigned_Gt_Int_Slv = 322
+    Ieee_Std_Logic_Unsigned_Ge_Slv_Slv = 323
+    Ieee_Std_Logic_Unsigned_Ge_Slv_Int = 324
+    Ieee_Std_Logic_Unsigned_Ge_Int_Slv = 325
+    Ieee_Std_Logic_Unsigned_Eq_Slv_Slv = 326
+    Ieee_Std_Logic_Unsigned_Eq_Slv_Int = 327
+    Ieee_Std_Logic_Unsigned_Eq_Int_Slv = 328
+    Ieee_Std_Logic_Unsigned_Ne_Slv_Slv = 329
+    Ieee_Std_Logic_Unsigned_Ne_Slv_Int = 330
+    Ieee_Std_Logic_Unsigned_Ne_Int_Slv = 331
+    Ieee_Std_Logic_Unsigned_Conv_Integer = 332
+    Ieee_Std_Logic_Signed_Add_Slv_Slv = 333
+    Ieee_Std_Logic_Signed_Add_Slv_Int = 334
+    Ieee_Std_Logic_Signed_Add_Int_Slv = 335
+    Ieee_Std_Logic_Signed_Add_Slv_Sl = 336
+    Ieee_Std_Logic_Signed_Add_Sl_Slv = 337
+    Ieee_Std_Logic_Signed_Sub_Slv_Slv = 338
+    Ieee_Std_Logic_Signed_Sub_Slv_Int = 339
+    Ieee_Std_Logic_Signed_Sub_Int_Slv = 340
+    Ieee_Std_Logic_Signed_Sub_Slv_Sl = 341
+    Ieee_Std_Logic_Signed_Sub_Sl_Slv = 342
+    Ieee_Std_Logic_Arith_Conv_Unsigned_Int = 343
+    Ieee_Std_Logic_Arith_Conv_Unsigned_Uns = 344
+    Ieee_Std_Logic_Arith_Conv_Unsigned_Sgn = 345
+    Ieee_Std_Logic_Arith_Conv_Unsigned_Log = 346
+    Ieee_Std_Logic_Arith_Conv_Integer_Int = 347
+    Ieee_Std_Logic_Arith_Conv_Integer_Uns = 348
+    Ieee_Std_Logic_Arith_Conv_Integer_Sgn = 349
+    Ieee_Std_Logic_Arith_Conv_Integer_Log = 350
 
 Get_Kind = libghdl.vhdl__nodes__get_kind
 Get_Location = libghdl.vhdl__nodes__get_location