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sv: extended support for integer types

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- Standard data declarations can now use any integer type
- Parameters and localparams can now use any integer type
- Function returns types can now use any integer type
- Fix `parameter logic`, `localparam reg`, etc. to be 1 bit (previously 32 bits)
- Added longint type (64 bits)
- Unified parser source for integer type widths
This commit is contained in:
Zachary Snow 2021-02-28 15:49:16 -05:00
parent d882b6fe3c
commit 0f5b646ab8
6 changed files with 148 additions and 39 deletions
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1
frontends/verilog/verilog_lexer.l
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@ -267,6 +267,7 @@ static bool isUserType(std::string &s)
"int" { SV_KEYWORD(TOK_INT); }
"byte" { SV_KEYWORD(TOK_BYTE); }
"shortint" { SV_KEYWORD(TOK_SHORTINT); }
"longint" { SV_KEYWORD(TOK_LONGINT); }
"eventually" { if (formal_mode) return TOK_EVENTUALLY; SV_KEYWORD(TOK_EVENTUALLY); }
"s_eventually" { if (formal_mode) return TOK_EVENTUALLY; SV_KEYWORD(TOK_EVENTUALLY); }