luke
/
verilator
mirror of https://github.com/verilator/verilator.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Work around bison 3.0 bug printing wrong debug token names

This commit is contained in:
Wilson Snyder 2017-11-23 09:50:15 -05:00
parent 78192308e1
commit 813468bfe6
1 changed files with 17 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/verilog.y
View File

@ -3780,11 +3780,23 @@ int V3ParseImp::bisonParse() {
const char* V3ParseImp::tokenName(int token) {
#if YYDEBUG || YYERROR_VERBOSE
if (token >= 255)
return yytname[token-255];
else {
static char ch[2]; ch[0]=token; ch[1]='\0';
return ch;
static const char** nameTablep = NULL;
if (!nameTablep) {
int size;
for (size=0; yytname[size]; ++size) ;
nameTablep = new const char* [size];
// Workaround bug in bison's which have '!' in yytname but not token values
int iout = 0;
for (int i=0; yytname[i]; ++i) {
if (yytname[i][0] == '\'') continue;
nameTablep[iout++] = yytname[i];
}
}
if (token >= 255) {
return nameTablep[token-255];
} else {
static char ch[2]; ch[0]=token; ch[1]='\0';
return ch;
}
#else
return "";