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-rw-r--r--src/vhdl/iirs.ads4
-rw-r--r--src/vhdl/nodes_meta.adb466
-rw-r--r--src/vhdl/sem_assocs.adb67
-rw-r--r--src/vhdl/sem_expr.adb465
-rw-r--r--src/vhdl/sem_expr.ads13
5 files changed, 545 insertions, 470 deletions
diff --git a/src/vhdl/iirs.ads b/src/vhdl/iirs.ads
index 70072f6..ba22be9 100644
--- a/src/vhdl/iirs.ads
+++ b/src/vhdl/iirs.ads
@@ -401,6 +401,10 @@ package Iirs is
-- Get/Set_Actual_Type (Field3)
--
-- Only for Iir_Kind_Association_Element_By_Individual:
+ -- Must be Locally unless there is an error on one choice.
+ -- Get/Set_Choice_Staticness (State2)
+ --
+ -- Only for Iir_Kind_Association_Element_By_Individual:
-- Get/Set_Individual_Association_Chain (Field4)
--
-- Only for Iir_Kind_Association_Element_Package:
diff --git a/src/vhdl/nodes_meta.adb b/src/vhdl/nodes_meta.adb
index 2af55d4..16fb1f4 100644
--- a/src/vhdl/nodes_meta.adb
+++ b/src/vhdl/nodes_meta.adb
@@ -2147,6 +2147,7 @@ package body Nodes_Meta is
-- Iir_Kind_Association_Element_By_Individual
Field_Whole_Association_Flag,
Field_Collapse_Signal_Flag,
+ Field_Choice_Staticness,
Field_Formal,
Field_Chain,
Field_Actual_Type,
@@ -3984,237 +3985,237 @@ package body Nodes_Meta is
Iir_Kind_Waveform_Element => 86,
Iir_Kind_Conditional_Waveform => 89,
Iir_Kind_Association_Element_By_Expression => 96,
- Iir_Kind_Association_Element_By_Individual => 102,
- Iir_Kind_Association_Element_Open => 107,
- Iir_Kind_Association_Element_Package => 113,
- Iir_Kind_Choice_By_Others => 118,
- Iir_Kind_Choice_By_Expression => 125,
- Iir_Kind_Choice_By_Range => 132,
- Iir_Kind_Choice_By_None => 137,
- Iir_Kind_Choice_By_Name => 143,
- Iir_Kind_Entity_Aspect_Entity => 145,
- Iir_Kind_Entity_Aspect_Configuration => 146,
- Iir_Kind_Entity_Aspect_Open => 146,
- Iir_Kind_Block_Configuration => 152,
- Iir_Kind_Block_Header => 156,
- Iir_Kind_Component_Configuration => 162,
- Iir_Kind_Binding_Indication => 168,
- Iir_Kind_Entity_Class => 170,
- Iir_Kind_Attribute_Value => 178,
- Iir_Kind_Signature => 181,
- Iir_Kind_Aggregate_Info => 188,
- Iir_Kind_Procedure_Call => 192,
- Iir_Kind_Record_Element_Constraint => 198,
- Iir_Kind_Array_Element_Resolution => 199,
- Iir_Kind_Record_Resolution => 200,
- Iir_Kind_Record_Element_Resolution => 203,
- Iir_Kind_Attribute_Specification => 211,
- Iir_Kind_Disconnection_Specification => 216,
- Iir_Kind_Configuration_Specification => 221,
- Iir_Kind_Access_Type_Definition => 228,
- Iir_Kind_Incomplete_Type_Definition => 235,
- Iir_Kind_File_Type_Definition => 242,
- Iir_Kind_Protected_Type_Declaration => 251,
- Iir_Kind_Record_Type_Definition => 261,
- Iir_Kind_Array_Type_Definition => 273,
- Iir_Kind_Array_Subtype_Definition => 288,
- Iir_Kind_Record_Subtype_Definition => 299,
- Iir_Kind_Access_Subtype_Definition => 307,
- Iir_Kind_Physical_Subtype_Definition => 316,
- Iir_Kind_Floating_Subtype_Definition => 326,
- Iir_Kind_Integer_Subtype_Definition => 335,
- Iir_Kind_Enumeration_Subtype_Definition => 344,
- Iir_Kind_Enumeration_Type_Definition => 353,
- Iir_Kind_Integer_Type_Definition => 359,
- Iir_Kind_Floating_Type_Definition => 365,
- Iir_Kind_Physical_Type_Definition => 374,
- Iir_Kind_Range_Expression => 380,
- Iir_Kind_Protected_Type_Body => 387,
- Iir_Kind_Subtype_Definition => 391,
- Iir_Kind_Scalar_Nature_Definition => 395,
- Iir_Kind_Overload_List => 396,
- Iir_Kind_Type_Declaration => 402,
- Iir_Kind_Anonymous_Type_Declaration => 407,
- Iir_Kind_Subtype_Declaration => 415,
- Iir_Kind_Nature_Declaration => 421,
- Iir_Kind_Subnature_Declaration => 427,
- Iir_Kind_Package_Declaration => 437,
- Iir_Kind_Package_Instantiation_Declaration => 448,
- Iir_Kind_Package_Body => 455,
- Iir_Kind_Configuration_Declaration => 464,
- Iir_Kind_Entity_Declaration => 476,
- Iir_Kind_Architecture_Body => 488,
- Iir_Kind_Context_Declaration => 494,
- Iir_Kind_Package_Header => 496,
- Iir_Kind_Unit_Declaration => 505,
- Iir_Kind_Library_Declaration => 512,
- Iir_Kind_Component_Declaration => 522,
- Iir_Kind_Attribute_Declaration => 529,
- Iir_Kind_Group_Template_Declaration => 535,
- Iir_Kind_Group_Declaration => 542,
- Iir_Kind_Element_Declaration => 549,
- Iir_Kind_Non_Object_Alias_Declaration => 557,
- Iir_Kind_Psl_Declaration => 565,
- Iir_Kind_Terminal_Declaration => 571,
- Iir_Kind_Free_Quantity_Declaration => 580,
- Iir_Kind_Across_Quantity_Declaration => 592,
- Iir_Kind_Through_Quantity_Declaration => 604,
- Iir_Kind_Enumeration_Literal => 615,
- Iir_Kind_Function_Declaration => 639,
- Iir_Kind_Procedure_Declaration => 662,
- Iir_Kind_Function_Body => 672,
- Iir_Kind_Procedure_Body => 683,
- Iir_Kind_Object_Alias_Declaration => 695,
- Iir_Kind_File_Declaration => 710,
- Iir_Kind_Guard_Signal_Declaration => 723,
- Iir_Kind_Signal_Declaration => 740,
- Iir_Kind_Variable_Declaration => 753,
- Iir_Kind_Constant_Declaration => 767,
- Iir_Kind_Iterator_Declaration => 779,
- Iir_Kind_Interface_Constant_Declaration => 795,
- Iir_Kind_Interface_Variable_Declaration => 811,
- Iir_Kind_Interface_Signal_Declaration => 832,
- Iir_Kind_Interface_File_Declaration => 848,
- Iir_Kind_Interface_Package_Declaration => 857,
- Iir_Kind_Identity_Operator => 861,
- Iir_Kind_Negation_Operator => 865,
- Iir_Kind_Absolute_Operator => 869,
- Iir_Kind_Not_Operator => 873,
- Iir_Kind_Condition_Operator => 877,
- Iir_Kind_Reduction_And_Operator => 881,
- Iir_Kind_Reduction_Or_Operator => 885,
- Iir_Kind_Reduction_Nand_Operator => 889,
- Iir_Kind_Reduction_Nor_Operator => 893,
- Iir_Kind_Reduction_Xor_Operator => 897,
- Iir_Kind_Reduction_Xnor_Operator => 901,
- Iir_Kind_And_Operator => 906,
- Iir_Kind_Or_Operator => 911,
- Iir_Kind_Nand_Operator => 916,
- Iir_Kind_Nor_Operator => 921,
- Iir_Kind_Xor_Operator => 926,
- Iir_Kind_Xnor_Operator => 931,
- Iir_Kind_Equality_Operator => 936,
- Iir_Kind_Inequality_Operator => 941,
- Iir_Kind_Less_Than_Operator => 946,
- Iir_Kind_Less_Than_Or_Equal_Operator => 951,
- Iir_Kind_Greater_Than_Operator => 956,
- Iir_Kind_Greater_Than_Or_Equal_Operator => 961,
- Iir_Kind_Match_Equality_Operator => 966,
- Iir_Kind_Match_Inequality_Operator => 971,
- Iir_Kind_Match_Less_Than_Operator => 976,
- Iir_Kind_Match_Less_Than_Or_Equal_Operator => 981,
- Iir_Kind_Match_Greater_Than_Operator => 986,
- Iir_Kind_Match_Greater_Than_Or_Equal_Operator => 991,
- Iir_Kind_Sll_Operator => 996,
- Iir_Kind_Sla_Operator => 1001,
- Iir_Kind_Srl_Operator => 1006,
- Iir_Kind_Sra_Operator => 1011,
- Iir_Kind_Rol_Operator => 1016,
- Iir_Kind_Ror_Operator => 1021,
- Iir_Kind_Addition_Operator => 1026,
- Iir_Kind_Substraction_Operator => 1031,
- Iir_Kind_Concatenation_Operator => 1036,
- Iir_Kind_Multiplication_Operator => 1041,
- Iir_Kind_Division_Operator => 1046,
- Iir_Kind_Modulus_Operator => 1051,
- Iir_Kind_Remainder_Operator => 1056,
- Iir_Kind_Exponentiation_Operator => 1061,
- Iir_Kind_Function_Call => 1069,
- Iir_Kind_Aggregate => 1075,
- Iir_Kind_Parenthesis_Expression => 1078,
- Iir_Kind_Qualified_Expression => 1082,
- Iir_Kind_Type_Conversion => 1087,
- Iir_Kind_Allocator_By_Expression => 1091,
- Iir_Kind_Allocator_By_Subtype => 1097,
- Iir_Kind_Selected_Element => 1103,
- Iir_Kind_Dereference => 1108,
- Iir_Kind_Implicit_Dereference => 1113,
- Iir_Kind_Slice_Name => 1120,
- Iir_Kind_Indexed_Name => 1126,
- Iir_Kind_Psl_Expression => 1128,
- Iir_Kind_Sensitized_Process_Statement => 1148,
- Iir_Kind_Process_Statement => 1168,
- Iir_Kind_Concurrent_Conditional_Signal_Assignment => 1179,
- Iir_Kind_Concurrent_Selected_Signal_Assignment => 1191,
- Iir_Kind_Concurrent_Assertion_Statement => 1199,
- Iir_Kind_Psl_Default_Clock => 1203,
- Iir_Kind_Psl_Assert_Statement => 1212,
- Iir_Kind_Psl_Cover_Statement => 1221,
- Iir_Kind_Concurrent_Procedure_Call_Statement => 1228,
- Iir_Kind_Block_Statement => 1241,
- Iir_Kind_If_Generate_Statement => 1251,
- Iir_Kind_For_Generate_Statement => 1260,
- Iir_Kind_Component_Instantiation_Statement => 1270,
- Iir_Kind_Simple_Simultaneous_Statement => 1277,
- Iir_Kind_Generate_Statement_Body => 1288,
- Iir_Kind_If_Generate_Else_Clause => 1293,
- Iir_Kind_Signal_Assignment_Statement => 1302,
- Iir_Kind_Null_Statement => 1306,
- Iir_Kind_Assertion_Statement => 1313,
- Iir_Kind_Report_Statement => 1319,
- Iir_Kind_Wait_Statement => 1326,
- Iir_Kind_Variable_Assignment_Statement => 1332,
- Iir_Kind_Return_Statement => 1338,
- Iir_Kind_For_Loop_Statement => 1347,
- Iir_Kind_While_Loop_Statement => 1355,
- Iir_Kind_Next_Statement => 1361,
- Iir_Kind_Exit_Statement => 1367,
- Iir_Kind_Case_Statement => 1375,
- Iir_Kind_Procedure_Call_Statement => 1381,
- Iir_Kind_If_Statement => 1390,
- Iir_Kind_Elsif => 1395,
- Iir_Kind_Character_Literal => 1402,
- Iir_Kind_Simple_Name => 1409,
- Iir_Kind_Selected_Name => 1417,
- Iir_Kind_Operator_Symbol => 1422,
- Iir_Kind_Selected_By_All_Name => 1427,
- Iir_Kind_Parenthesis_Name => 1431,
- Iir_Kind_External_Constant_Name => 1440,
- Iir_Kind_External_Signal_Name => 1449,
- Iir_Kind_External_Variable_Name => 1458,
- Iir_Kind_Package_Pathname => 1461,
- Iir_Kind_Absolute_Pathname => 1462,
- Iir_Kind_Relative_Pathname => 1463,
- Iir_Kind_Pathname_Element => 1467,
- Iir_Kind_Base_Attribute => 1469,
- Iir_Kind_Left_Type_Attribute => 1474,
- Iir_Kind_Right_Type_Attribute => 1479,
- Iir_Kind_High_Type_Attribute => 1484,
- Iir_Kind_Low_Type_Attribute => 1489,
- Iir_Kind_Ascending_Type_Attribute => 1494,
- Iir_Kind_Image_Attribute => 1500,
- Iir_Kind_Value_Attribute => 1506,
- Iir_Kind_Pos_Attribute => 1512,
- Iir_Kind_Val_Attribute => 1518,
- Iir_Kind_Succ_Attribute => 1524,
- Iir_Kind_Pred_Attribute => 1530,
- Iir_Kind_Leftof_Attribute => 1536,
- Iir_Kind_Rightof_Attribute => 1542,
- Iir_Kind_Delayed_Attribute => 1550,
- Iir_Kind_Stable_Attribute => 1558,
- Iir_Kind_Quiet_Attribute => 1566,
- Iir_Kind_Transaction_Attribute => 1574,
- Iir_Kind_Event_Attribute => 1578,
- Iir_Kind_Active_Attribute => 1582,
- Iir_Kind_Last_Event_Attribute => 1586,
- Iir_Kind_Last_Active_Attribute => 1590,
- Iir_Kind_Last_Value_Attribute => 1594,
- Iir_Kind_Driving_Attribute => 1598,
- Iir_Kind_Driving_Value_Attribute => 1602,
- Iir_Kind_Behavior_Attribute => 1602,
- Iir_Kind_Structure_Attribute => 1602,
- Iir_Kind_Simple_Name_Attribute => 1609,
- Iir_Kind_Instance_Name_Attribute => 1614,
- Iir_Kind_Path_Name_Attribute => 1619,
- Iir_Kind_Left_Array_Attribute => 1626,
- Iir_Kind_Right_Array_Attribute => 1633,
- Iir_Kind_High_Array_Attribute => 1640,
- Iir_Kind_Low_Array_Attribute => 1647,
- Iir_Kind_Length_Array_Attribute => 1654,
- Iir_Kind_Ascending_Array_Attribute => 1661,
- Iir_Kind_Range_Array_Attribute => 1668,
- Iir_Kind_Reverse_Range_Array_Attribute => 1675,
- Iir_Kind_Attribute_Name => 1683
+ Iir_Kind_Association_Element_By_Individual => 103,
+ Iir_Kind_Association_Element_Open => 108,
+ Iir_Kind_Association_Element_Package => 114,
+ Iir_Kind_Choice_By_Others => 119,
+ Iir_Kind_Choice_By_Expression => 126,
+ Iir_Kind_Choice_By_Range => 133,
+ Iir_Kind_Choice_By_None => 138,
+ Iir_Kind_Choice_By_Name => 144,
+ Iir_Kind_Entity_Aspect_Entity => 146,
+ Iir_Kind_Entity_Aspect_Configuration => 147,
+ Iir_Kind_Entity_Aspect_Open => 147,
+ Iir_Kind_Block_Configuration => 153,
+ Iir_Kind_Block_Header => 157,
+ Iir_Kind_Component_Configuration => 163,
+ Iir_Kind_Binding_Indication => 169,
+ Iir_Kind_Entity_Class => 171,
+ Iir_Kind_Attribute_Value => 179,
+ Iir_Kind_Signature => 182,
+ Iir_Kind_Aggregate_Info => 189,
+ Iir_Kind_Procedure_Call => 193,
+ Iir_Kind_Record_Element_Constraint => 199,
+ Iir_Kind_Array_Element_Resolution => 200,
+ Iir_Kind_Record_Resolution => 201,
+ Iir_Kind_Record_Element_Resolution => 204,
+ Iir_Kind_Attribute_Specification => 212,
+ Iir_Kind_Disconnection_Specification => 217,
+ Iir_Kind_Configuration_Specification => 222,
+ Iir_Kind_Access_Type_Definition => 229,
+ Iir_Kind_Incomplete_Type_Definition => 236,
+ Iir_Kind_File_Type_Definition => 243,
+ Iir_Kind_Protected_Type_Declaration => 252,
+ Iir_Kind_Record_Type_Definition => 262,
+ Iir_Kind_Array_Type_Definition => 274,
+ Iir_Kind_Array_Subtype_Definition => 289,
+ Iir_Kind_Record_Subtype_Definition => 300,
+ Iir_Kind_Access_Subtype_Definition => 308,
+ Iir_Kind_Physical_Subtype_Definition => 317,
+ Iir_Kind_Floating_Subtype_Definition => 327,
+ Iir_Kind_Integer_Subtype_Definition => 336,
+ Iir_Kind_Enumeration_Subtype_Definition => 345,
+ Iir_Kind_Enumeration_Type_Definition => 354,
+ Iir_Kind_Integer_Type_Definition => 360,
+ Iir_Kind_Floating_Type_Definition => 366,
+ Iir_Kind_Physical_Type_Definition => 375,
+ Iir_Kind_Range_Expression => 381,
+ Iir_Kind_Protected_Type_Body => 388,
+ Iir_Kind_Subtype_Definition => 392,
+ Iir_Kind_Scalar_Nature_Definition => 396,
+ Iir_Kind_Overload_List => 397,
+ Iir_Kind_Type_Declaration => 403,
+ Iir_Kind_Anonymous_Type_Declaration => 408,
+ Iir_Kind_Subtype_Declaration => 416,
+ Iir_Kind_Nature_Declaration => 422,
+ Iir_Kind_Subnature_Declaration => 428,
+ Iir_Kind_Package_Declaration => 438,
+ Iir_Kind_Package_Instantiation_Declaration => 449,
+ Iir_Kind_Package_Body => 456,
+ Iir_Kind_Configuration_Declaration => 465,
+ Iir_Kind_Entity_Declaration => 477,
+ Iir_Kind_Architecture_Body => 489,
+ Iir_Kind_Context_Declaration => 495,
+ Iir_Kind_Package_Header => 497,
+ Iir_Kind_Unit_Declaration => 506,
+ Iir_Kind_Library_Declaration => 513,
+ Iir_Kind_Component_Declaration => 523,
+ Iir_Kind_Attribute_Declaration => 530,
+ Iir_Kind_Group_Template_Declaration => 536,
+ Iir_Kind_Group_Declaration => 543,
+ Iir_Kind_Element_Declaration => 550,
+ Iir_Kind_Non_Object_Alias_Declaration => 558,
+ Iir_Kind_Psl_Declaration => 566,
+ Iir_Kind_Terminal_Declaration => 572,
+ Iir_Kind_Free_Quantity_Declaration => 581,
+ Iir_Kind_Across_Quantity_Declaration => 593,
+ Iir_Kind_Through_Quantity_Declaration => 605,
+ Iir_Kind_Enumeration_Literal => 616,
+ Iir_Kind_Function_Declaration => 640,
+ Iir_Kind_Procedure_Declaration => 663,
+ Iir_Kind_Function_Body => 673,
+ Iir_Kind_Procedure_Body => 684,
+ Iir_Kind_Object_Alias_Declaration => 696,
+ Iir_Kind_File_Declaration => 711,
+ Iir_Kind_Guard_Signal_Declaration => 724,
+ Iir_Kind_Signal_Declaration => 741,
+ Iir_Kind_Variable_Declaration => 754,
+ Iir_Kind_Constant_Declaration => 768,
+ Iir_Kind_Iterator_Declaration => 780,
+ Iir_Kind_Interface_Constant_Declaration => 796,
+ Iir_Kind_Interface_Variable_Declaration => 812,
+ Iir_Kind_Interface_Signal_Declaration => 833,
+ Iir_Kind_Interface_File_Declaration => 849,
+ Iir_Kind_Interface_Package_Declaration => 858,
+ Iir_Kind_Identity_Operator => 862,
+ Iir_Kind_Negation_Operator => 866,
+ Iir_Kind_Absolute_Operator => 870,
+ Iir_Kind_Not_Operator => 874,
+ Iir_Kind_Condition_Operator => 878,
+ Iir_Kind_Reduction_And_Operator => 882,
+ Iir_Kind_Reduction_Or_Operator => 886,
+ Iir_Kind_Reduction_Nand_Operator => 890,
+ Iir_Kind_Reduction_Nor_Operator => 894,
+ Iir_Kind_Reduction_Xor_Operator => 898,
+ Iir_Kind_Reduction_Xnor_Operator => 902,
+ Iir_Kind_And_Operator => 907,
+ Iir_Kind_Or_Operator => 912,
+ Iir_Kind_Nand_Operator => 917,
+ Iir_Kind_Nor_Operator => 922,
+ Iir_Kind_Xor_Operator => 927,
+ Iir_Kind_Xnor_Operator => 932,
+ Iir_Kind_Equality_Operator => 937,
+ Iir_Kind_Inequality_Operator => 942,
+ Iir_Kind_Less_Than_Operator => 947,
+ Iir_Kind_Less_Than_Or_Equal_Operator => 952,
+ Iir_Kind_Greater_Than_Operator => 957,
+ Iir_Kind_Greater_Than_Or_Equal_Operator => 962,
+ Iir_Kind_Match_Equality_Operator => 967,
+ Iir_Kind_Match_Inequality_Operator => 972,
+ Iir_Kind_Match_Less_Than_Operator => 977,
+ Iir_Kind_Match_Less_Than_Or_Equal_Operator => 982,
+ Iir_Kind_Match_Greater_Than_Operator => 987,
+ Iir_Kind_Match_Greater_Than_Or_Equal_Operator => 992,
+ Iir_Kind_Sll_Operator => 997,
+ Iir_Kind_Sla_Operator => 1002,
+ Iir_Kind_Srl_Operator => 1007,
+ Iir_Kind_Sra_Operator => 1012,
+ Iir_Kind_Rol_Operator => 1017,
+ Iir_Kind_Ror_Operator => 1022,
+ Iir_Kind_Addition_Operator => 1027,
+ Iir_Kind_Substraction_Operator => 1032,
+ Iir_Kind_Concatenation_Operator => 1037,
+ Iir_Kind_Multiplication_Operator => 1042,
+ Iir_Kind_Division_Operator => 1047,
+ Iir_Kind_Modulus_Operator => 1052,
+ Iir_Kind_Remainder_Operator => 1057,
+ Iir_Kind_Exponentiation_Operator => 1062,
+ Iir_Kind_Function_Call => 1070,
+ Iir_Kind_Aggregate => 1076,
+ Iir_Kind_Parenthesis_Expression => 1079,
+ Iir_Kind_Qualified_Expression => 1083,
+ Iir_Kind_Type_Conversion => 1088,
+ Iir_Kind_Allocator_By_Expression => 1092,
+ Iir_Kind_Allocator_By_Subtype => 1098,
+ Iir_Kind_Selected_Element => 1104,
+ Iir_Kind_Dereference => 1109,
+ Iir_Kind_Implicit_Dereference => 1114,
+ Iir_Kind_Slice_Name => 1121,
+ Iir_Kind_Indexed_Name => 1127,
+ Iir_Kind_Psl_Expression => 1129,
+ Iir_Kind_Sensitized_Process_Statement => 1149,
+ Iir_Kind_Process_Statement => 1169,
+ Iir_Kind_Concurrent_Conditional_Signal_Assignment => 1180,
+ Iir_Kind_Concurrent_Selected_Signal_Assignment => 1192,
+ Iir_Kind_Concurrent_Assertion_Statement => 1200,
+ Iir_Kind_Psl_Default_Clock => 1204,
+ Iir_Kind_Psl_Assert_Statement => 1213,
+ Iir_Kind_Psl_Cover_Statement => 1222,
+ Iir_Kind_Concurrent_Procedure_Call_Statement => 1229,
+ Iir_Kind_Block_Statement => 1242,
+ Iir_Kind_If_Generate_Statement => 1252,
+ Iir_Kind_For_Generate_Statement => 1261,
+ Iir_Kind_Component_Instantiation_Statement => 1271,
+ Iir_Kind_Simple_Simultaneous_Statement => 1278,
+ Iir_Kind_Generate_Statement_Body => 1289,
+ Iir_Kind_If_Generate_Else_Clause => 1294,
+ Iir_Kind_Signal_Assignment_Statement => 1303,
+ Iir_Kind_Null_Statement => 1307,
+ Iir_Kind_Assertion_Statement => 1314,
+ Iir_Kind_Report_Statement => 1320,
+ Iir_Kind_Wait_Statement => 1327,
+ Iir_Kind_Variable_Assignment_Statement => 1333,
+ Iir_Kind_Return_Statement => 1339,
+ Iir_Kind_For_Loop_Statement => 1348,
+ Iir_Kind_While_Loop_Statement => 1356,
+ Iir_Kind_Next_Statement => 1362,
+ Iir_Kind_Exit_Statement => 1368,
+ Iir_Kind_Case_Statement => 1376,
+ Iir_Kind_Procedure_Call_Statement => 1382,
+ Iir_Kind_If_Statement => 1391,
+ Iir_Kind_Elsif => 1396,
+ Iir_Kind_Character_Literal => 1403,
+ Iir_Kind_Simple_Name => 1410,
+ Iir_Kind_Selected_Name => 1418,
+ Iir_Kind_Operator_Symbol => 1423,
+ Iir_Kind_Selected_By_All_Name => 1428,
+ Iir_Kind_Parenthesis_Name => 1432,
+ Iir_Kind_External_Constant_Name => 1441,
+ Iir_Kind_External_Signal_Name => 1450,
+ Iir_Kind_External_Variable_Name => 1459,
+ Iir_Kind_Package_Pathname => 1462,
+ Iir_Kind_Absolute_Pathname => 1463,
+ Iir_Kind_Relative_Pathname => 1464,
+ Iir_Kind_Pathname_Element => 1468,
+ Iir_Kind_Base_Attribute => 1470,
+ Iir_Kind_Left_Type_Attribute => 1475,
+ Iir_Kind_Right_Type_Attribute => 1480,
+ Iir_Kind_High_Type_Attribute => 1485,
+ Iir_Kind_Low_Type_Attribute => 1490,
+ Iir_Kind_Ascending_Type_Attribute => 1495,
+ Iir_Kind_Image_Attribute => 1501,
+ Iir_Kind_Value_Attribute => 1507,
+ Iir_Kind_Pos_Attribute => 1513,
+ Iir_Kind_Val_Attribute => 1519,
+ Iir_Kind_Succ_Attribute => 1525,
+ Iir_Kind_Pred_Attribute => 1531,
+ Iir_Kind_Leftof_Attribute => 1537,
+ Iir_Kind_Rightof_Attribute => 1543,
+ Iir_Kind_Delayed_Attribute => 1551,
+ Iir_Kind_Stable_Attribute => 1559,
+ Iir_Kind_Quiet_Attribute => 1567,
+ Iir_Kind_Transaction_Attribute => 1575,
+ Iir_Kind_Event_Attribute => 1579,
+ Iir_Kind_Active_Attribute => 1583,
+ Iir_Kind_Last_Event_Attribute => 1587,
+ Iir_Kind_Last_Active_Attribute => 1591,
+ Iir_Kind_Last_Value_Attribute => 1595,
+ Iir_Kind_Driving_Attribute => 1599,
+ Iir_Kind_Driving_Value_Attribute => 1603,
+ Iir_Kind_Behavior_Attribute => 1603,
+ Iir_Kind_Structure_Attribute => 1603,
+ Iir_Kind_Simple_Name_Attribute => 1610,
+ Iir_Kind_Instance_Name_Attribute => 1615,
+ Iir_Kind_Path_Name_Attribute => 1620,
+ Iir_Kind_Left_Array_Attribute => 1627,
+ Iir_Kind_Right_Array_Attribute => 1634,
+ Iir_Kind_High_Array_Attribute => 1641,
+ Iir_Kind_Low_Array_Attribute => 1648,
+ Iir_Kind_Length_Array_Attribute => 1655,
+ Iir_Kind_Ascending_Array_Attribute => 1662,
+ Iir_Kind_Range_Array_Attribute => 1669,
+ Iir_Kind_Reverse_Range_Array_Attribute => 1676,
+ Iir_Kind_Attribute_Name => 1684
);
function Get_Fields (K : Iir_Kind) return Fields_Array
@@ -9109,7 +9110,8 @@ package body Nodes_Meta is
function Has_Choice_Staticness (K : Iir_Kind) return Boolean is
begin
case K is
- when Iir_Kind_Choice_By_Expression
+ when Iir_Kind_Association_Element_By_Individual
+ | Iir_Kind_Choice_By_Expression
| Iir_Kind_Choice_By_Range =>
return True;
when others =>
diff --git a/src/vhdl/sem_assocs.adb b/src/vhdl/sem_assocs.adb
index 841f503..3123fbd 100644
--- a/src/vhdl/sem_assocs.adb
+++ b/src/vhdl/sem_assocs.adb
@@ -427,11 +427,13 @@ package body Sem_Assocs is
procedure Add_Individual_Assoc_Indexed_Name
(Sub_Assoc : in out Iir; Formal : Iir)
is
+ Base_Assoc : constant Iir := Sub_Assoc;
Choice : Iir;
Last_Choice : Iir;
Index_List : Iir_List;
Index : Iir;
Nbr : Natural;
+ Staticness : Iir_Staticness;
begin
-- Find element.
Index_List := Get_Index_List (Formal);
@@ -440,8 +442,14 @@ package body Sem_Assocs is
Index := Get_Nth_Element (Index_List, I);
-- Evaluate index.
- Index := Eval_Expr (Index);
- Replace_Nth_Element (Index_List, I, Index);
+ Staticness := Get_Expr_Staticness (Index);
+ if Staticness = Locally then
+ Index := Eval_Expr (Index);
+ Replace_Nth_Element (Index_List, I, Index);
+ else
+ Error_Msg_Sem ("index expression must be locally static", Index);
+ Set_Choice_Staticness (Base_Assoc, None);
+ end if;
-- Find index in choice list.
Last_Choice := Null_Iir;
@@ -476,6 +484,7 @@ package body Sem_Assocs is
-- If not found, append it.
Choice := Create_Iir (Iir_Kind_Choice_By_Expression);
Set_Choice_Expression (Choice, Index);
+ Set_Choice_Staticness (Choice, Staticness);
Location_Copy (Choice, Formal);
if Last_Choice = Null_Iir then
Set_Individual_Association_Chain (Sub_Assoc, Choice);
@@ -492,6 +501,7 @@ package body Sem_Assocs is
(Iir_Kind_Association_Element_By_Individual);
Location_Copy (Sub_Assoc, Index);
Set_Associated_Expr (Choice, Sub_Assoc);
+ Set_Choice_Staticness (Sub_Assoc, Locally);
end if;
else
Sub_Assoc := Choice;
@@ -504,6 +514,7 @@ package body Sem_Assocs is
is
Choice : Iir;
Index : Iir;
+ Staticness : Iir_Staticness;
begin
-- FIXME: handle cases such as param(5 to 6)(5)
@@ -511,15 +522,20 @@ package body Sem_Assocs is
Index := Get_Suffix (Formal);
-- Evaluate index.
- if Get_Expr_Staticness (Index) = Locally then
+ Staticness := Get_Expr_Staticness (Index);
+ if Staticness = Locally then
Index := Eval_Range (Index);
Set_Suffix (Formal, Index);
+ else
+ Error_Msg_Sem ("range expression must be locally static", Index);
+ Set_Choice_Staticness (Sub_Assoc, None);
end if;
Choice := Create_Iir (Iir_Kind_Choice_By_Range);
Location_Copy (Choice, Formal);
Set_Choice_Range (Choice, Index);
Set_Chain (Choice, Get_Individual_Association_Chain (Sub_Assoc));
+ Set_Choice_Staticness (Choice, Staticness);
Set_Individual_Association_Chain (Sub_Assoc, Choice);
Sub_Assoc := Choice;
@@ -541,11 +557,14 @@ package body Sem_Assocs is
procedure Add_Individual_Association_1 (Iassoc : in out Iir; Formal : Iir)
is
+ Base_Assoc : constant Iir := Iassoc;
+ Formal_Object : constant Iir := Name_To_Object (Formal);
Sub : Iir;
- Formal_Object : Iir;
begin
- -- Recurse.
- Formal_Object := Name_To_Object (Formal);
+ pragma Assert
+ (Get_Kind (Base_Assoc) = Iir_Kind_Association_Element_By_Individual);
+
+ -- Recurse to start from the basename of the formal.
case Get_Kind (Formal_Object) is
when Iir_Kind_Indexed_Name
| Iir_Kind_Slice_Name
@@ -565,6 +584,7 @@ package body Sem_Assocs is
if Sub = Null_Iir then
Sub := Create_Iir (Iir_Kind_Association_Element_By_Individual);
Location_Copy (Sub, Formal);
+ Set_Choice_Staticness (Sub, Locally);
Set_Formal (Sub, Iassoc);
Set_Associated_Expr (Iassoc, Sub);
Iassoc := Sub;
@@ -585,6 +605,7 @@ package body Sem_Assocs is
Error_Kind ("add_individual_association_1(2)", Iassoc);
end case;
+ Sub := Iassoc;
case Get_Kind (Formal_Object) is
when Iir_Kind_Indexed_Name =>
Add_Individual_Assoc_Indexed_Name (Iassoc, Formal_Object);
@@ -595,26 +616,32 @@ package body Sem_Assocs is
when others =>
Error_Kind ("add_individual_association_1(3)", Formal);
end case;
+
+ if Get_Choice_Staticness (Sub) /= Locally then
+ -- Propagate error.
+ Set_Choice_Staticness (Base_Assoc, None);
+ end if;
end Add_Individual_Association_1;
-- Insert ASSOC into the tree of individual assoc rooted by IASSOC.
procedure Add_Individual_Association (Iassoc : Iir; Assoc : Iir)
is
- Formal : Iir;
- Iass : Iir;
+ Formal : constant Iir := Get_Formal (Assoc);
+ Res_Iass : Iir;
Prev : Iir;
begin
- Formal := Get_Formal (Assoc);
- Iass := Iassoc;
- Add_Individual_Association_1 (Iass, Formal);
- Prev := Get_Associated_Expr (Iass);
+ -- Create the individual association for the formal.
+ Res_Iass := Iassoc;
+ Add_Individual_Association_1 (Res_Iass, Formal);
+
+ Prev := Get_Associated_Expr (Res_Iass);
if Prev /= Null_Iir then
Error_Msg_Sem ("individual association of "
& Disp_Node (Get_Association_Interface (Assoc))
& " conflicts with that at " & Disp_Location (Prev),
Assoc);
else
- Set_Associated_Expr (Iass, Assoc);
+ Set_Associated_Expr (Res_Iass, Assoc);
end if;
end Add_Individual_Association;
@@ -623,15 +650,14 @@ package body Sem_Assocs is
is
Index_Tlist : constant Iir_List := Get_Index_Subtype_List (Atype);
Nbr_Dims : constant Natural := Get_Nbr_Elements (Index_Tlist);
- Index_Type : Iir;
+ Index_Type : constant Iir := Get_Nth_Element (Index_Tlist, Dim - 1);
Low, High : Iir;
Chain : Iir;
El : Iir;
begin
- Index_Type := Get_Nth_Element (Index_Tlist, Dim - 1);
Chain := Get_Individual_Association_Chain (Assoc);
- Sem_Choices_Range
- (Chain, Index_Type, False, False, Get_Location (Assoc), Low, High);
+ Sem_Check_Continuous_Choices
+ (Chain, Index_Type, False, Get_Location (Assoc), Low, High);
Set_Individual_Association_Chain (Assoc, Chain);
if Dim < Nbr_Dims then
El := Chain;
@@ -763,7 +789,7 @@ package body Sem_Assocs is
Atype : Iir;
begin
-- Guard.
- if Assoc = Null_Iir then
+ if Assoc = Null_Iir or else Get_Choice_Staticness (Assoc) /= Locally then
return;
end if;
@@ -821,9 +847,8 @@ package body Sem_Assocs is
Iassoc :=
Create_Iir (Iir_Kind_Association_Element_By_Individual);
Location_Copy (Iassoc, Assoc);
- if Cur_Iface = Null_Iir then
- raise Internal_Error;
- end if;
+ Set_Choice_Staticness (Iassoc, Locally);
+ pragma Assert (Cur_Iface /= Null_Iir);
Set_Formal (Iassoc, Cur_Iface);
-- Insert IASSOC.
if Prev_Assoc = Null_Iir then
diff --git a/src/vhdl/sem_expr.adb b/src/vhdl/sem_expr.adb
index ec796b9..2956019 100644
--- a/src/vhdl/sem_expr.adb
+++ b/src/vhdl/sem_expr.adb
@@ -2310,17 +2310,19 @@ package body Sem_Expr is
end if;
end Sem_String_Choices_Range;
- procedure Sem_Choices_Range
- (Choice_Chain : in out Iir;
+ procedure Sem_Check_Continuous_Choices
+ (Choice_Chain : Iir;
Sub_Type : Iir;
Is_Sub_Range : Boolean;
- Is_Case_Stmt : Boolean;
Loc : Location_Type;
Low : out Iir;
High : out Iir)
is
- -- Number of positionnal choice.
- Nbr_Pos : Iir_Int64;
+ -- Nodes that can appear.
+ subtype Iir_Kinds_Case_Choice is Iir_Kind range
+ Iir_Kind_Choice_By_Others ..
+ --Iir_Kind_Choice_By_Expression
+ Iir_Kind_Choice_By_Range;
-- Number of named choices.
Nbr_Named : Natural;
@@ -2328,113 +2330,12 @@ package body Sem_Expr is
-- True if others choice is present.
Has_Others : Boolean;
- Has_Error : Boolean;
-
-- True if SUB_TYPE has bounds.
Type_Has_Bounds : Boolean;
Arr : Iir_Array_Acc;
Index : Natural;
- Pos_Max : Iir_Int64;
El : Iir;
- Prev_El : Iir;
-
- -- Staticness of the current choice.
- Choice_Staticness : Iir_Staticness;
-
- -- Staticness of all the choices.
- Staticness : Iir_Staticness;
-
- function Replace_By_Range_Choice (Name : Iir; Range_Type : Iir)
- return Boolean
- is
- N_Choice : Iir;
- Name1 : Iir;
- begin
- if Are_Types_Compatible (Range_Type, Sub_Type) = Not_Compatible then
- Not_Match (Name, Sub_Type);
- return False;
- end if;
-
- Name1 := Finish_Sem_Name (Name);
- N_Choice := Create_Iir (Iir_Kind_Choice_By_Range);
- Location_Copy (N_Choice, El);
- Set_Chain (N_Choice, Get_Chain (El));
- Set_Associated_Expr (N_Choice, Get_Associated_Expr (El));
- Set_Associated_Chain (N_Choice, Get_Associated_Chain (El));
- Set_Same_Alternative_Flag (N_Choice, Get_Same_Alternative_Flag (El));
- Set_Choice_Range (N_Choice, Eval_Range_If_Static (Name1));
- Set_Choice_Staticness (N_Choice, Get_Type_Staticness (Range_Type));
- Free_Iir (El);
-
- if Prev_El = Null_Iir then
- Choice_Chain := N_Choice;
- else
- Set_Chain (Prev_El, N_Choice);
- end if;
- El := N_Choice;
-
- return True;
- end Replace_By_Range_Choice;
-
- -- Analyze a simple (by expression or by range) choice.
- -- Return FALSE in case of error.
- function Sem_Simple_Choice return Boolean
- is
- Expr : Iir;
- Ent : Iir;
- begin
- if Get_Kind (El) = Iir_Kind_Choice_By_Range then
- Expr := Get_Choice_Range (El);
- Expr := Sem_Discrete_Range_Expression (Expr, Sub_Type, True);
- if Expr = Null_Iir then
- return False;
- end if;
- Expr := Eval_Range_If_Static (Expr);
- Set_Choice_Range (El, Expr);
- else
- Expr := Get_Choice_Expression (El);
- case Get_Kind (Expr) is
- when Iir_Kind_Selected_Name
- | Iir_Kind_Simple_Name
- | Iir_Kind_Character_Literal
- | Iir_Kind_Parenthesis_Name
- | Iir_Kind_Selected_By_All_Name
- | Iir_Kind_Attribute_Name =>
- Sem_Name (Expr);
- Ent := Get_Named_Entity (Expr);
- if Ent = Error_Mark then
- return False;
- end if;
-
- -- So range or expression ?
- -- FIXME: share code with sem_name for slice/index.
- case Get_Kind (Ent) is
- when Iir_Kind_Range_Array_Attribute
- | Iir_Kind_Reverse_Range_Array_Attribute
- | Iir_Kind_Range_Expression =>
- return Replace_By_Range_Choice (Expr, Ent);
- when Iir_Kind_Subtype_Declaration
- | Iir_Kind_Type_Declaration =>
- Ent := Is_Type_Name (Expr);
- Set_Expr_Staticness (Expr, Get_Type_Staticness (Ent));
- return Replace_By_Range_Choice (Expr, Ent);
- when others =>
- Expr := Name_To_Expression
- (Expr, Get_Base_Type (Sub_Type));
- end case;
- when others =>
- Expr := Sem_Expression_Ov (Expr, Get_Base_Type (Sub_Type));
- end case;
- if Expr = Null_Iir then
- return False;
- end if;
- Expr := Eval_Expr_If_Static (Expr);
- Set_Choice_Expression (El, Expr);
- end if;
- Set_Choice_Staticness (El, Get_Expr_Staticness (Expr));
- return True;
- end Sem_Simple_Choice;
-- Get low limit of ASSOC.
-- First, get the expression of the association, then the low limit.
@@ -2452,12 +2353,7 @@ package body Sem_Expr is
Expr := Get_Choice_Range (Assoc);
case Get_Kind (Expr) is
when Iir_Kind_Range_Expression =>
- case Get_Direction (Expr) is
- when Iir_To =>
- return Get_Left_Limit (Expr);
- when Iir_Downto =>
- return Get_Right_Limit (Expr);
- end case;
+ return Get_Low_Limit (Expr);
when others =>
return Expr;
end case;
@@ -2477,12 +2373,7 @@ package body Sem_Expr is
Expr := Get_Choice_Range (Assoc);
case Get_Kind (Expr) is
when Iir_Kind_Range_Expression =>
- case Get_Direction (Expr) is
- when Iir_To =>
- return Get_Right_Limit (Expr);
- when Iir_Downto =>
- return Get_Left_Limit (Expr);
- end case;
+ return Get_High_Limit (Expr);
when others =>
return Expr;
end case;
@@ -2514,112 +2405,23 @@ package body Sem_Expr is
Low := Null_Iir;
High := Null_Iir;
- -- First:
- -- Analyze the choices
- -- compute the range of positionnal choices
- -- compute the number of choice elements (extracted from lists).
- -- check for others presence.
- Nbr_Pos := 0;
+ -- Compute the number of elements, return early if a choice is not
+ -- static.
Nbr_Named := 0;
Has_Others := False;
- Has_Error := False;
- Staticness := Locally;
El := Choice_Chain;
- Prev_El := Null_Iir;
while El /= Null_Iir loop
- case Get_Kind (El) is
- when Iir_Kind_Choice_By_None =>
- Nbr_Pos := Nbr_Pos + 1;
+ case Iir_Kinds_Case_Choice (Get_Kind (El)) is
when Iir_Kind_Choice_By_Expression
| Iir_Kind_Choice_By_Range =>
- if Sem_Simple_Choice then
- Choice_Staticness := Get_Choice_Staticness (El);
- Staticness := Min (Staticness, Choice_Staticness);
- if Choice_Staticness /= Locally
- and then Is_Case_Stmt
- then
- -- FIXME: explain why
- Error_Msg_Sem ("choice is not locally static", El);
- end if;
- else
- Has_Error := True;
- end if;
+ pragma Assert (Get_Choice_Staticness (El) = Locally);
Nbr_Named := Nbr_Named + 1;
- when Iir_Kind_Choice_By_Name =>
- -- It is not possible to have such a choice in an array
- -- aggregate.
- -- Should have been caught previously.
- raise Internal_Error;
when Iir_Kind_Choice_By_Others =>
- if Has_Others then
- Error_Msg_Sem ("duplicate others choice", El);
- elsif Get_Chain (El) /= Null_Iir then
- Error_Msg_Sem
- ("choice others should be the last alternative", El);
- end if;
Has_Others := True;
- when others =>
- Error_Kind ("sem_choices_range", El);
end case;
- Prev_El := El;
El := Get_Chain (El);
end loop;
- if Has_Error then
- -- Nothing can be done here...
- return;
- end if;
- if Nbr_Pos > 0 and then Nbr_Named > 0 then
- -- LRM93 7.3.2.2
- -- Apart from the final element with the single choice OTHERS, the
- -- rest (if any) of the element associations of an array aggregate
- -- must be either all positionnal or all named.
- Error_Msg_Sem
- ("element associations must be all positional or all named", Loc);
- return;
- end if;
-
- -- For a positional aggregate.
- if Nbr_Pos > 0 then
- -- Check number of elements match, but only if it is possible.
- if Get_Type_Staticness (Sub_Type) /= Locally then
- return;
- end if;
- Pos_Max := Eval_Discrete_Type_Length (Sub_Type);
- if (not Has_Others and not Is_Sub_Range)
- and then Nbr_Pos < Pos_Max
- then
- Error_Msg_Sem ("not enough elements associated", Loc);
- elsif Nbr_Pos > Pos_Max then
- Error_Msg_Sem ("too many elements associated", Loc);
- end if;
- return;
- end if;
-
- -- Second:
- -- Create the list of choices
- if Nbr_Named = 0 and then Has_Others then
- -- This is only a others association.
- return;
- end if;
- if Staticness /= Locally then
- -- Emit a message for aggregrate. The message has already been
- -- emitted for a case stmt.
- -- FIXME: what about individual associations?
- if not Is_Case_Stmt then
- -- LRM93 §7.3.2.2
- -- A named association of an array aggregate is allowed to have
- -- a choice that is not locally static, or likewise a choice that
- -- is a null range, only if the aggregate includes a single
- -- element association and the element association has a single
- -- choice.
- if Nbr_Named > 1 or Has_Others then
- Error_Msg_Sem ("not static choice exclude others choice", Loc);
- end if;
- end if;
- return;
- end if;
-
-- Set TYPE_HAS_BOUNDS
case Get_Kind (Sub_Type) is
when Iir_Kind_Enumeration_Type_Definition
@@ -2670,17 +2472,12 @@ package body Sem_Expr is
-- Fill the array.
El := Choice_Chain;
while El /= Null_Iir loop
- case Get_Kind (El) is
- when Iir_Kind_Choice_By_None =>
- -- Only named associations are considered.
- raise Internal_Error;
+ case Iir_Kinds_Case_Choice (Get_Kind (El)) is
when Iir_Kind_Choice_By_Expression
| Iir_Kind_Choice_By_Range =>
Add_Choice (El, Sub_Type);
when Iir_Kind_Choice_By_Others =>
null;
- when others =>
- Error_Kind ("sem_choices_range(2)", El);
end case;
El := Get_Chain (El);
end loop;
@@ -2779,6 +2576,240 @@ package body Sem_Expr is
end;
Free (Arr);
+ end Sem_Check_Continuous_Choices;
+
+ procedure Sem_Choices_Range
+ (Choice_Chain : in out Iir;
+ Sub_Type : Iir;
+ Is_Sub_Range : Boolean;
+ Is_Case_Stmt : Boolean;
+ Loc : Location_Type;
+ Low : out Iir;
+ High : out Iir)
+ is
+ -- Number of positionnal choice.
+ Nbr_Pos : Iir_Int64;
+
+ -- Number of named choices.
+ Nbr_Named : Natural;
+
+ -- True if others choice is present.
+ Has_Others : Boolean;
+
+ Has_Error : Boolean;
+
+ Pos_Max : Iir_Int64;
+ El : Iir;
+ Prev_El : Iir;
+
+ -- Staticness of the current choice.
+ Choice_Staticness : Iir_Staticness;
+
+ -- Staticness of all the choices.
+ Staticness : Iir_Staticness;
+
+ function Replace_By_Range_Choice (Name : Iir; Range_Type : Iir)
+ return Boolean
+ is
+ N_Choice : Iir;
+ Name1 : Iir;
+ begin
+ if Are_Types_Compatible (Range_Type, Sub_Type) = Not_Compatible then
+ Not_Match (Name, Sub_Type);
+ return False;
+ end if;
+
+ Name1 := Finish_Sem_Name (Name);
+ N_Choice := Create_Iir (Iir_Kind_Choice_By_Range);
+ Location_Copy (N_Choice, El);
+ Set_Chain (N_Choice, Get_Chain (El));
+ Set_Associated_Expr (N_Choice, Get_Associated_Expr (El));
+ Set_Associated_Chain (N_Choice, Get_Associated_Chain (El));
+ Set_Same_Alternative_Flag (N_Choice, Get_Same_Alternative_Flag (El));
+ Set_Choice_Range (N_Choice, Eval_Range_If_Static (Name1));
+ Set_Choice_Staticness (N_Choice, Get_Type_Staticness (Range_Type));
+ Free_Iir (El);
+
+ if Prev_El = Null_Iir then
+ Choice_Chain := N_Choice;
+ else
+ Set_Chain (Prev_El, N_Choice);
+ end if;
+ El := N_Choice;
+
+ return True;
+ end Replace_By_Range_Choice;
+
+ -- Analyze a simple (by expression or by range) choice.
+ -- Return FALSE in case of error.
+ function Sem_Simple_Choice return Boolean
+ is
+ Expr : Iir;
+ Ent : Iir;
+ begin
+ if Get_Kind (El) = Iir_Kind_Choice_By_Range then
+ Expr := Get_Choice_Range (El);
+ Expr := Sem_Discrete_Range_Expression (Expr, Sub_Type, True);
+ if Expr = Null_Iir then
+ return False;
+ end if;
+ Expr := Eval_Range_If_Static (Expr);
+ Set_Choice_Range (El, Expr);
+ else
+ Expr := Get_Choice_Expression (El);
+ case Get_Kind (Expr) is
+ when Iir_Kind_Selected_Name
+ | Iir_Kind_Simple_Name
+ | Iir_Kind_Character_Literal
+ | Iir_Kind_Parenthesis_Name
+ | Iir_Kind_Selected_By_All_Name
+ | Iir_Kind_Attribute_Name =>
+ Sem_Name (Expr);
+ Ent := Get_Named_Entity (Expr);
+ if Ent = Error_Mark then
+ return False;
+ end if;
+
+ -- So range or expression ?
+ -- FIXME: share code with sem_name for slice/index.
+ case Get_Kind (Ent) is
+ when Iir_Kind_Range_Array_Attribute
+ | Iir_Kind_Reverse_Range_Array_Attribute
+ | Iir_Kind_Range_Expression =>
+ return Replace_By_Range_Choice (Expr, Ent);
+ when Iir_Kind_Subtype_Declaration
+ | Iir_Kind_Type_Declaration =>
+ Ent := Is_Type_Name (Expr);
+ Set_Expr_Staticness (Expr, Get_Type_Staticness (Ent));
+ return Replace_By_Range_Choice (Expr, Ent);
+ when others =>
+ Expr := Name_To_Expression
+ (Expr, Get_Base_Type (Sub_Type));
+ end case;
+ when others =>
+ Expr := Sem_Expression_Ov (Expr, Get_Base_Type (Sub_Type));
+ end case;
+ if Expr = Null_Iir then
+ return False;
+ end if;
+ Expr := Eval_Expr_If_Static (Expr);
+ Set_Choice_Expression (El, Expr);
+ end if;
+ Set_Choice_Staticness (El, Get_Expr_Staticness (Expr));
+ return True;
+ end Sem_Simple_Choice;
+ begin
+ Low := Null_Iir;
+ High := Null_Iir;
+
+ -- First:
+ -- Analyze the choices
+ -- compute the range of positionnal choices
+ -- compute the number of choice elements (extracted from lists).
+ -- check for others presence.
+ Nbr_Pos := 0;
+ Nbr_Named := 0;
+ Has_Others := False;
+ Has_Error := False;
+ Staticness := Locally;
+ El := Choice_Chain;
+ Prev_El := Null_Iir;
+ while El /= Null_Iir loop
+ case Get_Kind (El) is
+ when Iir_Kind_Choice_By_None =>
+ Nbr_Pos := Nbr_Pos + 1;
+ when Iir_Kind_Choice_By_Expression
+ | Iir_Kind_Choice_By_Range =>
+ if Sem_Simple_Choice then
+ Choice_Staticness := Get_Choice_Staticness (El);
+ Staticness := Min (Staticness, Choice_Staticness);
+ if Choice_Staticness /= Locally
+ and then Is_Case_Stmt
+ then
+ -- FIXME: explain why
+ Error_Msg_Sem ("choice is not locally static", El);
+ end if;
+ else
+ Has_Error := True;
+ end if;
+ Nbr_Named := Nbr_Named + 1;
+ when Iir_Kind_Choice_By_Name =>
+ -- It is not possible to have such a choice in an array
+ -- aggregate.
+ -- Should have been caught previously.
+ raise Internal_Error;
+ when Iir_Kind_Choice_By_Others =>
+ if Has_Others then
+ Error_Msg_Sem ("duplicate others choice", El);
+ elsif Get_Chain (El) /= Null_Iir then
+ Error_Msg_Sem
+ ("choice others should be the last alternative", El);
+ end if;
+ Has_Others := True;
+ when others =>
+ Error_Kind ("sem_choices_range", El);
+ end case;
+ Prev_El := El;
+ El := Get_Chain (El);
+ end loop;
+
+ if Has_Error then
+ -- Nothing can be done here...
+ return;
+ end if;
+ if Nbr_Pos > 0 and then Nbr_Named > 0 then
+ -- LRM93 7.3.2.2
+ -- Apart from the final element with the single choice OTHERS, the
+ -- rest (if any) of the element associations of an array aggregate
+ -- must be either all positionnal or all named.
+ Error_Msg_Sem
+ ("element associations must be all positional or all named", Loc);
+ return;
+ end if;
+
+ -- For a positional aggregate.
+ if Nbr_Pos > 0 then
+ -- Check number of elements match, but only if it is possible.
+ if Get_Type_Staticness (Sub_Type) /= Locally then
+ return;
+ end if;
+ Pos_Max := Eval_Discrete_Type_Length (Sub_Type);
+ if (not Has_Others and not Is_Sub_Range)
+ and then Nbr_Pos < Pos_Max
+ then
+ Error_Msg_Sem ("not enough elements associated", Loc);
+ elsif Nbr_Pos > Pos_Max then
+ Error_Msg_Sem ("too many elements associated", Loc);
+ end if;
+ return;
+ end if;
+
+ -- Second:
+ -- Create the list of choices
+ if Nbr_Named = 0 and then Has_Others then
+ -- This is only a others association.
+ return;
+ end if;
+ if Staticness /= Locally then
+ -- Emit a message for aggregrate. The message has already been
+ -- emitted for a case stmt.
+ -- FIXME: what about individual associations?
+ if not Is_Case_Stmt then
+ -- LRM93 §7.3.2.2
+ -- A named association of an array aggregate is allowed to have
+ -- a choice that is not locally static, or likewise a choice that
+ -- is a null range, only if the aggregate includes a single
+ -- element association and the element association has a single
+ -- choice.
+ if Nbr_Named > 1 or Has_Others then
+ Error_Msg_Sem ("not static choice exclude others choice", Loc);
+ end if;
+ end if;
+ return;
+ end if;
+
+ Sem_Check_Continuous_Choices
+ (Choice_Chain, Sub_Type, Is_Sub_Range, Loc, Low, High);
end Sem_Choices_Range;
-- -- Find out the MIN and the MAX of an all named association choice list.
diff --git a/src/vhdl/sem_expr.ads b/src/vhdl/sem_expr.ads
index 1a1c32b..5d84902 100644
--- a/src/vhdl/sem_expr.ads
+++ b/src/vhdl/sem_expr.ads
@@ -164,6 +164,19 @@ package Sem_Expr is
Low : out Iir;
High : out Iir);
+ -- Check that the values of CHOICE_CHAIN are a continuous range, and
+ -- extract the lower LOW and upper HIGH bound (useful to create the
+ -- corresponding subtype). The values must be of type SUB_TYPE, and if
+ -- IS_SUB_RANGE True, they must be within SUB_TYPE.
+ -- The choices must be locally static.
+ procedure Sem_Check_Continuous_Choices
+ (Choice_Chain : Iir;
+ Sub_Type : Iir;
+ Is_Sub_Range : Boolean;
+ Loc : Location_Type;
+ Low : out Iir;
+ High : out Iir);
+
-- Semantize CHOICE_LIST when the choice expression SEL is of a
-- one-dimensional character array type.
procedure Sem_String_Choices_Range (Choice_Chain : Iir; Sel : Iir);