diff options
| author | Clifford Wolf <clifford@clifford.at> | 2014-07-21 15:15:18 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2014-07-21 15:15:18 +0200 |
| commit | 4147b55c233013dd861172f13d0b9669598d234c (patch) | |
| tree | e28ea6e5e9a1f73a9890ef4e08ab9d174dd181bc /frontends/ilang/lexer.l | |
| parent | e035f1d886b30329c1c061894146a5c6f92b4f7a (diff) | |
Added "autoidx" statement to ilang file format
Diffstat (limited to 'frontends/ilang/lexer.l')
| -rw-r--r-- | frontends/ilang/lexer.l | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/frontends/ilang/lexer.l b/frontends/ilang/lexer.l index 6557f98a..c40b81af 100644 --- a/frontends/ilang/lexer.l +++ b/frontends/ilang/lexer.l @@ -31,7 +31,6 @@ #include "kernel/rtlil.h" #include "parser.tab.h" -void update_autoidx(const char *p); %} @@ -44,6 +43,7 @@ void update_autoidx(const char *p); %% +"autoidx" { return TOK_AUTOIDX; } "module" { return TOK_MODULE; } "attribute" { return TOK_ATTRIBUTE; } "parameter" { return TOK_PARAMETER; } @@ -76,11 +76,11 @@ void update_autoidx(const char *p); [a-z]+ { return TOK_INVALID; } "\\"[^ \t\r\n]+ { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_ID; } -"$"[^ \t\r\n]+ { rtlil_frontend_ilang_yylval.string = strdup(yytext); update_autoidx(yytext); return TOK_ID; } +"$"[^ \t\r\n]+ { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_ID; } "."[0-9]+ { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_ID; } [0-9]+'[01xzm-]* { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_VALUE; } -[0-9]+ { rtlil_frontend_ilang_yylval.integer = atoi(yytext); return TOK_INT; } +-?[0-9]+ { rtlil_frontend_ilang_yylval.integer = atoi(yytext); return TOK_INT; } \" { BEGIN(STRING); } <STRING>\\. { yymore(); } @@ -124,27 +124,6 @@ void update_autoidx(const char *p); %% -void update_autoidx(const char *p) -{ - if (*p != '$') - return; - - while (*p) { - if (*(p++) != '$') - continue; - if ('0' <= *p && *p <= '9') { - const char *q = p; - while ('0' <= *q && *q <= '9') - q++; - if ((q - p) < 10) { - int idx = atoi(p); - if (idx >= RTLIL::autoidx) - RTLIL::autoidx = idx+1; - } - } - } -} - // this is a hack to avoid the 'yyinput defined but not used' error msgs void *rtlil_frontend_ilang_avoid_input_warnings() { return (void*)&yyinput; |