Nick Gasson
b0de1a8d7e
Implement part select for LHS of assignment
2008-07-07 16:11:45 +01:00
Nick Gasson
bdf5ee7ab7
Concat LPM
2008-07-07 14:48:57 +01:00
Nick Gasson
ebaa4c7d5d
Implement assignment to part select properly
...
Previously the base of the lval was ignored, this ensures
the correct assignment is generated.
2008-07-07 11:00:27 +01:00
Nick Gasson
85d2cc78d6
Finish ternary operator expansion
2008-07-06 17:56:48 +01:00
Nick Gasson
18071562ba
Partially implement ternary expressions
...
This handles the case where the expression appears as the
right hand side of an assignment. The expression is converted
into a regular if statement.
2008-07-04 21:55:51 +01:00
Nick Gasson
5aeff6d47d
Merge blocking and non-blocking assignment code
2008-07-04 20:07:38 +01:00
Nick Gasson
19871efd5a
Fix bug where sensitivity might reference undefined signals
2008-07-04 11:58:33 +01:00
Nick Gasson
409fc4dc19
Check if case expression variable is already defined
...
Verilog_Case_Ex is used as a temporary to store the result of
any non-static case expression. This fixes a bug where it would
be declared multiple times if there were multiple case statements
in a block.
2008-07-04 11:15:34 +01:00
Nick Gasson
c54b36c902
Add logical AND operator
2008-07-04 11:10:20 +01:00
Nick Gasson
19cbab78b2
Tidy up code to generate default branch of case
2008-07-03 20:04:47 +01:00
Nick Gasson
1736cd9bc8
Fix uneccessarily complicated generated case statement
...
No need to generate separate case test variable if the
test in the VL source is a simple variable reference.
2008-07-03 16:27:36 +01:00
Nick Gasson
a5264e9995
Make sure all choices are covered in case statement
2008-07-03 16:17:56 +01:00
Nick Gasson
6868127ba3
Make sure case expression has the correct type
2008-07-03 16:14:17 +01:00
Nick Gasson
dbbadbc309
Make sure the renamed signal is used in the sensitivity list
2008-07-03 16:13:02 +01:00
Nick Gasson
500442e5c5
Working function calls
2008-06-25 22:15:57 +01:00
Nick Gasson
899a70908e
Fix small bug with initialisation and ammend comments
2008-06-24 20:13:18 +01:00
Nick Gasson
bf95d77562
Finish replacing vhdl_process with vhdl_procedural
2008-06-24 20:01:06 +01:00
Nick Gasson
75631bd8f1
Move is_inital code out of vhdl_process into vhdl_scope
...
Part of tidy up before implementing functions
2008-06-24 19:06:06 +01:00
Nick Gasson
63b1887ff2
Refactor code to use the new vhdl_scope class
2008-06-24 18:52:25 +01:00
Nick Gasson
4188fbecee
Add XOR operator and catch default case branch
2008-06-24 10:55:45 +01:00
Nick Gasson
f261bf7e97
Fix bug where variables could be declared twice
2008-06-23 15:13:10 +01:00
Nick Gasson
f81129aa68
Fix some bugs with blocking assignment
2008-06-23 13:36:28 +01:00
Nick Gasson
469036990a
Output blocking assignments in the right place
2008-06-23 12:30:48 +01:00
Nick Gasson
d5cdb91d55
Handle complex expressions in case statement
2008-06-23 11:36:12 +01:00
Nick Gasson
75f7c9ae0c
Only move constant assignments into initialisation
2008-06-21 16:40:18 +01:00
Nick Gasson
5cfe7ea0aa
Tidy up output
2008-06-21 16:28:07 +01:00
Nick Gasson
ec23b70bb7
While loops
2008-06-21 15:13:44 +01:00
Nick Gasson
0caf4fd9d0
Add case statement
2008-06-21 15:03:36 +01:00
Nick Gasson
204862ac3c
Implement $write
2008-06-20 19:00:07 +01:00
Nick Gasson
404c22ac86
Improved implementation of $display
2008-06-20 11:51:13 +01:00
Nick Gasson
d7bb5658f2
Translate IVL_ST_DELAYX statements
2008-06-19 12:16:19 +01:00
Nick Gasson
e0f41198d6
Blocking assignment working correctly
2008-06-18 13:49:03 +01:00
Nick Gasson
fb31a88c51
Blocking assignment nearly working
2008-06-18 13:30:19 +01:00
Nick Gasson
254ccb9ccb
First passing at blocking assignment
2008-06-18 13:06:27 +01:00
Nick Gasson
d2bebee9d9
Refactor before adding blocking assignment
2008-06-18 12:51:11 +01:00
Nick Gasson
af8c08e6a7
Allow optional VHPI $finish implementation
2008-06-17 20:16:16 +01:00
Nick Gasson
01249000c3
Temporarily treat blocking assignment as non-blocking
2008-06-17 14:07:36 +01:00
Nick Gasson
1debbc3100
Simplify edge_detector() a bit
2008-06-16 20:06:06 +01:00
Nick Gasson
92c823680a
Fix crash when `if' statement had no `else'
2008-06-16 12:13:01 +01:00
Nick Gasson
0ea64ad8ab
Correct misleading comment
2008-06-13 14:47:06 +01:00
Nick Gasson
be3c4cf268
Generate signal initial values from `initial' processes
2008-06-13 14:10:28 +01:00
Nick Gasson
0a8fd50c4a
Find assignments that could be initializers
2008-06-13 13:59:48 +01:00
Nick Gasson
70db096b6d
Clean up the edge detector code a bit
2008-06-13 12:52:20 +01:00
Nick Gasson
005df31a0d
Use renamed signal in expressions, if there is one
2008-06-13 12:39:18 +01:00
Nick Gasson
8fe2211e2b
Generate `after' modifier instead of `wait' statements
2008-06-12 11:24:43 +01:00
Nick Gasson
46991aa65c
Generate process bodies in the right place
2008-06-12 10:47:52 +01:00
Nick Gasson
7eb41304e6
Generate rising/falling edge detectors
2008-06-12 10:36:38 +01:00
Nick Gasson
19e60b698f
Translate if statements
2008-06-11 14:20:05 +01:00
Nick Gasson
a7cfdc3a87
Add VHDL if statement to AST types
2008-06-11 14:11:37 +01:00
Nick Gasson
b010b8e3ca
Use `assert false' as initial translation of $finish
2008-06-11 13:37:21 +01:00