Commit Graph

31 Commits

Author SHA1 Message Date
Stephen Williams 7975e14b5c LineInfo uses perm_string for path.
Rework the handling of file names to use a perm_string heap to hold
the file names, instead of the custom file name heap in the lexor.
Also rename the get_line to get_fileline to reflect its real duties.
This latter chage touched a lot of files.
2007-12-20 12:31:01 -05:00
Stephen Williams c7edace243 Unsized integers have minimum size
Fix the handling of expressions that have unsized integers and are
in self determined context. Unsized integers are generally assumed
to have at least 32bits.

Signed-off-by: Stephen Williams <steve@icarus.com>
2007-10-08 19:58:49 -07:00
Stephen Williams 30273a1172 Real value constants have width 1
Real value constants have width 1 in Icarus Verilog. This is not
the same as the output from $bitstoreal, which is *not* a real
valued expression but a logic vector that losslessly carries the
real value.

Also remove unused CVS markings.

Signed-off-by: Stephen Williams <steve@icarus.com>
2007-08-15 22:01:59 -07:00
Stephen Williams 845e74c30e Evaluate parameter expressions losslessly
Make sure parameter expressions are evaluated losslessly, as if
the l-value is unsigned and thus virtually infinite.
2007-06-27 22:05:36 -07:00
steve 49b65e86fe Add support for power in constant expressions. 2006-07-31 03:50:17 +00:00
steve 0e044d6684 More precise about r-value width of constants. 2005-11-26 00:35:42 +00:00
steve 9fd16575d9 Support bool expressions and compares handle them optimally. 2005-09-14 02:53:13 +00:00
steve b9799cf6ec Remove NetVariable and ivl_variable_t structures. 2005-07-11 16:56:50 +00:00
steve e4ae832153 Clean up spurious trailing white space. 2004-10-04 01:10:51 +00:00
steve 1295058e5d parameter keys are per_strings. 2004-02-20 06:22:56 +00:00
steve 7c1401a2ba Spelling patch. 2003-08-28 04:11:17 +00:00
steve 71a404a546 Add arithmetic shift operators. 2003-06-18 03:55:18 +00:00
steve 222eaa0f88 Operands of unsigned multiply are unsigned. 2003-06-15 18:53:20 +00:00
steve 5903f0744c Support parameters in real expressions and
as real expressions, and fix multiply and
 divide with real results.
2003-05-30 02:55:32 +00:00
steve 7e2848b105 Do not try to set constants to width 0. 2003-05-20 15:05:33 +00:00
steve c602d94cef Comparison operators do have defined width. 2003-03-15 18:08:43 +00:00
steve 6d94f2ea55 Better organize the NetESFunc return type guesses. 2003-03-15 04:46:28 +00:00
steve 4c67de5ca7 Add the lex_strings string handler, and put
scope names and system task/function names
 into this table. Also, permallocate event
 names from the beginning.
2003-03-01 06:25:30 +00:00
steve 589422b505 Real constants have no defined vector width 2003-02-06 17:50:23 +00:00
steve 04ada23119 Support in various contexts the $realtime
system task.
2003-01-27 00:14:37 +00:00
steve 46253ed873 Rework expression parsing and elaboration to
accommodate real/realtime values and expressions.
2003-01-26 21:15:58 +00:00
steve aa8869a3c7 Postpone parameter width check to evaluation. 2002-11-09 01:40:19 +00:00
steve de94d09706 No need to keep excess width from an
unsigned constant value, if it can
 be trimmed safely.
2002-11-06 02:25:13 +00:00
steve 43501809b1 Redo the parameter vector support to allow
parameter names in range expressions.
2002-10-19 22:59:49 +00:00
steve 7e1e44e87a Properly cast signedness of parameters with ranges. 2002-09-01 03:01:48 +00:00
steve 52bf4e613f conditional ident string using autoconfig. 2002-08-12 01:34:58 +00:00
steve 28e0616543 Use standard name for iostream. 2002-06-06 18:57:18 +00:00
steve 8941a594ee include iostream for gcc 3.1 2002-05-25 16:51:37 +00:00
steve 8667b9a35d Put off evaluation of concatenation repeat expresions
until after parameters are defined. This allows parms
 to be used in repeat expresions.

 Add the builtin $signed system function.
2002-05-05 21:11:49 +00:00
steve 928df5caf7 include config.h to eliminate warnings. 2002-01-29 22:36:31 +00:00
steve 5796524f06 Add ne_expr.cc 2002-01-28 01:39:45 +00:00