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| author | Rupert Swarbrick <rswarbrick@gmail.com> | 2020-05-22 14:29:42 +0100 |
|---|---|---|
| committer | Rupert Swarbrick <rswarbrick@gmail.com> | 2020-05-26 17:54:57 +0100 |
| commit | 6aa0f72ae9e47c81441a2cecef18b7f90671ec6d (patch) | |
| tree | 378b3f3d368ace3a26eeb8d56bad7188017aba51 /frontends/verilog/verilog_lexer.l | |
| parent | a7f2ef6d34c4b336a910b3c6f3d2cc11da8a82b4 (diff) | |
| download | yosys-6aa0f72ae9e47c81441a2cecef18b7f90671ec6d.tar.gz yosys-6aa0f72ae9e47c81441a2cecef18b7f90671ec6d.tar.bz2 yosys-6aa0f72ae9e47c81441a2cecef18b7f90671ec6d.zip | |
Silence spurious warning in Verilog lexer when compiling with GCC
The chosen value shouldn't have any effect. I considered something
clearly wrong like -1, but there's no checking inside the generated
lexer, and I suspect this will cause even weirder bugs if triggered
than just setting it to INITIAL.
Diffstat (limited to 'frontends/verilog/verilog_lexer.l')
| -rw-r--r-- | frontends/verilog/verilog_lexer.l | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l index f6a3ac4db..65a2e9a78 100644 --- a/frontends/verilog/verilog_lexer.l +++ b/frontends/verilog/verilog_lexer.l @@ -128,7 +128,9 @@ static bool isUserType(std::string &s) %x BASED_CONST %% - int comment_caller; + // Initialise comment_caller to something to avoid a "maybe undefined" + // warning from GCC. + int comment_caller = INITIAL; <INITIAL,SYNOPSYS_TRANSLATE_OFF>"`file_push "[^\n]* { fn_stack.push_back(current_filename); |