From 7eb593829f62476598bb15c2fb903d50108e5274 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Thu, 12 Sep 2019 09:43:19 +0200 Subject: [PATCH] Fix lexing of integer literals, fixes #1364 Signed-off-by: Clifford Wolf --- frontends/verilog/const2ast.cc | 4 ++-- frontends/verilog/verilog_lexer.l | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/frontends/verilog/const2ast.cc b/frontends/verilog/const2ast.cc index 4bf5b1cf5..5da88a93f 100644 --- a/frontends/verilog/const2ast.cc +++ b/frontends/verilog/const2ast.cc @@ -199,13 +199,13 @@ AstNode *VERILOG_FRONTEND::const2ast(std::string code, char case_type, bool warn if (str == endptr) len_in_bits = -1; - // The "'s?[bodhBODH]" syntax + // The "'[sS]?[bodhBODH]" syntax if (*endptr == '\'') { std::vector data; bool is_signed = false; bool is_unsized = len_in_bits < 0; - if (*(endptr+1) == 's') { + if (*(endptr+1) == 's' || *(endptr+1) == 'S') { is_signed = true; endptr++; } diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l index 57e55b1f4..e344ffd4f 100644 --- a/frontends/verilog/verilog_lexer.l +++ b/frontends/verilog/verilog_lexer.l @@ -239,7 +239,7 @@ YOSYS_NAMESPACE_END return TOK_CONSTVAL; } -[0-9]*[ \t]*\'s?[bodhBODH]*[ \t\r\n]*[0-9a-fA-FzxZX?_]+ { +[0-9]*[ \t]*\'[sS]?[bodhBODH][ \t\r\n]*[0-9a-fA-FzxZX?_]+ { frontend_verilog_yylval.string = new std::string(yytext); return TOK_CONSTVAL; }