vhdl: recognize ieee.std_logic_1164.is_x.

1 files changed, 187 insertions, 186 deletions

diff --git a/python/libghdl/thin/std_names.py b/python/libghdl/thin/std_names.py
index 27639788f..3dca3b712 100644
--- a/python/libghdl/thin/std_names.py
+++ b/python/libghdl/thin/std_names.py
@@ -592,189 +592,190 @@ class Name:
     Rotate_Left = 806
     Rotate_Right = 807
     To_Bitvector = 808
-    Conv_Signed = 809
-    Conv_Unsigned = 810
-    Conv_Integer = 811
-    Math_Real = 812
-    Ceil = 813
-    Log2 = 814
-    Sin = 815
-    Cos = 816
-    Last_Ieee = 816
-    First_Synthesis = 817
-    Allconst = 817
-    Allseq = 818
-    Anyconst = 819
-    Anyseq = 820
-    Last_Synthesis = 820
-    First_Directive = 821
-    Define = 821
-    Endif = 822
-    Ifdef = 823
-    Ifndef = 824
-    Include = 825
-    Timescale = 826
-    Undef = 827
-    Protect = 828
-    Begin_Protected = 829
-    End_Protected = 830
-    Key_Block = 831
-    Data_Block = 832
-    Line = 833
-    Celldefine = 834
-    Endcelldefine = 835
-    Default_Nettype = 836
-    Resetall = 837
-    Last_Directive = 837
-    First_Systask = 838
-    Bits = 838
-    D_Root = 839
-    D_Unit = 840
-    Last_Systask = 840
-    First_SV_Method = 841
-    Size = 841
-    Insert = 842
-    Delete = 843
-    Pop_Front = 844
-    Pop_Back = 845
-    Push_Front = 846
-    Push_Back = 847
-    Name = 848
-    Len = 849
-    Substr = 850
-    Exists = 851
-    Atoi = 852
-    Itoa = 853
-    Find = 854
-    Find_Index = 855
-    Find_First = 856
-    Find_First_Index = 857
-    Find_Last = 858
-    Find_Last_Index = 859
-    Num = 860
-    Randomize = 861
-    Pre_Randomize = 862
-    Post_Randomize = 863
-    Srandom = 864
-    Get_Randstate = 865
-    Set_Randstate = 866
-    Seed = 867
-    State = 868
-    Last_SV_Method = 868
-    First_BSV = 869
-    uAction = 869
-    uActionValue = 870
-    BVI = 871
-    uC = 872
-    uCF = 873
-    uE = 874
-    uSB = 875
-    uSBR = 876
-    Action = 877
-    Endaction = 878
-    Actionvalue = 879
-    Endactionvalue = 880
-    Ancestor = 881
-    Clocked_By = 882
-    Default_Clock = 883
-    Default_Reset = 884
-    Dependencies = 885
-    Deriving = 886
-    Determines = 887
-    Enable = 888
-    Ifc_Inout = 889
-    Input_Clock = 890
-    Input_Reset = 891
-    Instance = 892
-    Endinstance = 893
-    Let = 894
-    Match = 895
-    Method = 896
-    Endmethod = 897
-    Numeric = 898
-    Output_Clock = 899
-    Output_Reset = 900
-    Par = 901
-    Endpar = 902
-    Path = 903
-    Provisos = 904
-    Ready = 905
-    Reset_By = 906
-    Rule = 907
-    Endrule = 908
-    Rules = 909
-    Endrules = 910
-    Same_Family = 911
-    Schedule = 912
-    Seq = 913
-    Endseq = 914
-    Typeclass = 915
-    Endtypeclass = 916
-    Valueof = 917
-    uValueof = 918
-    Last_BSV = 918
-    First_Comment = 919
-    Psl = 919
-    Pragma = 920
-    Synthesis = 921
-    Synopsys = 922
-    Translate_Off = 923
-    Translate_On = 924
-    Last_Comment = 924
-    First_PSL = 925
-    A = 925
-    Af = 926
-    Ag = 927
-    Ax = 928
-    Abort = 929
-    Assume_Guarantee = 930
-    Before = 931
-    Clock = 932
-    E = 933
-    Ef = 934
-    Eg = 935
-    Ex = 936
-    Endpoint = 937
-    Eventually = 938
-    Fairness = 939
-    Fell = 940
-    Forall = 941
-    G = 942
-    Inf = 943
-    Inherit = 944
-    Never = 945
-    Next_A = 946
-    Next_E = 947
-    Next_Event = 948
-    Next_Event_A = 949
-    Next_Event_E = 950
-    Prev = 951
-    Rose = 952
-    Strong = 953
-    W = 954
-    Whilenot = 955
-    Within = 956
-    X = 957
-    Last_PSL = 957
-    First_Edif = 958
-    Celltype = 968
-    View = 969
-    Viewtype = 970
-    Direction = 971
-    Contents = 972
-    Net = 973
-    Viewref = 974
-    Cellref = 975
-    Libraryref = 976
-    Portinstance = 977
-    Joined = 978
-    Portref = 979
-    Instanceref = 980
-    Design = 981
-    Designator = 982
-    Owner = 983
-    Member = 984
-    Number = 985
-    Rename = 986
-    Userdata = 987
-    Last_Edif = 987
+    Is_X = 809
+    Conv_Signed = 810
+    Conv_Unsigned = 811
+    Conv_Integer = 812
+    Math_Real = 813
+    Ceil = 814
+    Log2 = 815
+    Sin = 816
+    Cos = 817
+    Last_Ieee = 817
+    First_Synthesis = 818
+    Allconst = 818
+    Allseq = 819
+    Anyconst = 820
+    Anyseq = 821
+    Last_Synthesis = 821
+    First_Directive = 822
+    Define = 822
+    Endif = 823
+    Ifdef = 824
+    Ifndef = 825
+    Include = 826
+    Timescale = 827
+    Undef = 828
+    Protect = 829
+    Begin_Protected = 830
+    End_Protected = 831
+    Key_Block = 832
+    Data_Block = 833
+    Line = 834
+    Celldefine = 835
+    Endcelldefine = 836
+    Default_Nettype = 837
+    Resetall = 838
+    Last_Directive = 838
+    First_Systask = 839
+    Bits = 839
+    D_Root = 840
+    D_Unit = 841
+    Last_Systask = 841
+    First_SV_Method = 842
+    Size = 842
+    Insert = 843
+    Delete = 844
+    Pop_Front = 845
+    Pop_Back = 846
+    Push_Front = 847
+    Push_Back = 848
+    Name = 849
+    Len = 850
+    Substr = 851
+    Exists = 852
+    Atoi = 853
+    Itoa = 854
+    Find = 855
+    Find_Index = 856
+    Find_First = 857
+    Find_First_Index = 858
+    Find_Last = 859
+    Find_Last_Index = 860
+    Num = 861
+    Randomize = 862
+    Pre_Randomize = 863
+    Post_Randomize = 864
+    Srandom = 865
+    Get_Randstate = 866
+    Set_Randstate = 867
+    Seed = 868
+    State = 869
+    Last_SV_Method = 869
+    First_BSV = 870
+    uAction = 870
+    uActionValue = 871
+    BVI = 872
+    uC = 873
+    uCF = 874
+    uE = 875
+    uSB = 876
+    uSBR = 877
+    Action = 878
+    Endaction = 879
+    Actionvalue = 880
+    Endactionvalue = 881
+    Ancestor = 882
+    Clocked_By = 883
+    Default_Clock = 884
+    Default_Reset = 885
+    Dependencies = 886
+    Deriving = 887
+    Determines = 888
+    Enable = 889
+    Ifc_Inout = 890
+    Input_Clock = 891
+    Input_Reset = 892
+    Instance = 893
+    Endinstance = 894
+    Let = 895
+    Match = 896
+    Method = 897
+    Endmethod = 898
+    Numeric = 899
+    Output_Clock = 900
+    Output_Reset = 901
+    Par = 902
+    Endpar = 903
+    Path = 904
+    Provisos = 905
+    Ready = 906
+    Reset_By = 907
+    Rule = 908
+    Endrule = 909
+    Rules = 910
+    Endrules = 911
+    Same_Family = 912
+    Schedule = 913
+    Seq = 914
+    Endseq = 915
+    Typeclass = 916
+    Endtypeclass = 917
+    Valueof = 918
+    uValueof = 919
+    Last_BSV = 919
+    First_Comment = 920
+    Psl = 920
+    Pragma = 921
+    Synthesis = 922
+    Synopsys = 923
+    Translate_Off = 924
+    Translate_On = 925
+    Last_Comment = 925
+    First_PSL = 926
+    A = 926
+    Af = 927
+    Ag = 928
+    Ax = 929
+    Abort = 930
+    Assume_Guarantee = 931
+    Before = 932
+    Clock = 933
+    E = 934
+    Ef = 935
+    Eg = 936
+    Ex = 937
+    Endpoint = 938
+    Eventually = 939
+    Fairness = 940
+    Fell = 941
+    Forall = 942
+    G = 943
+    Inf = 944
+    Inherit = 945
+    Never = 946
+    Next_A = 947
+    Next_E = 948
+    Next_Event = 949
+    Next_Event_A = 950
+    Next_Event_E = 951
+    Prev = 952
+    Rose = 953
+    Strong = 954
+    W = 955
+    Whilenot = 956
+    Within = 957
+    X = 958
+    Last_PSL = 958
+    First_Edif = 959
+    Celltype = 969
+    View = 970
+    Viewtype = 971
+    Direction = 972
+    Contents = 973
+    Net = 974
+    Viewref = 975
+    Cellref = 976
+    Libraryref = 977
+    Portinstance = 978
+    Joined = 979
+    Portref = 980
+    Instanceref = 981
+    Design = 982
+    Designator = 983
+    Owner = 984
+    Member = 985
+    Number = 986
+    Rename = 987
+    Userdata = 988
+    Last_Edif = 988