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| author | Akim Demaille <akim.demaille@gmail.com> | 2020-04-26 14:48:13 +0200 |
|---|---|---|
| committer | Akim Demaille <akim.demaille@gmail.com> | 2020-04-26 14:49:26 +0200 |
| commit | 1c3d79b8715c6433d8d963563b35743ef64a0f9e (patch) | |
| tree | cd11564c77fcb773bb67a535faa546dcce89fca2 | |
| parent | 9c72d3c5a8e2267c1065b2c9ac46a1ec87a8941d (diff) | |
| download | bison-1c3d79b8715c6433d8d963563b35743ef64a0f9e.tar.gz | |
style: glr.c: clarify
* data/skeletons/glr.c: Make the code a bit clearer.
| -rw-r--r-- | data/skeletons/glr.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/data/skeletons/glr.c b/data/skeletons/glr.c index 39d4071f..5686e0b3 100644 --- a/data/skeletons/glr.c +++ b/data/skeletons/glr.c @@ -2034,7 +2034,7 @@ yyprocessOneStack (yyGLRStack* yystackp, ptrdiff_t yyk, const int yyaction = yygetLRActions (yystate, yytoken, &yyconflicts); yystackp->yytops.yylookaheadNeeds[yyk] = yytrue; - while (*yyconflicts != 0) + for (/* nothing */; *yyconflicts; yyconflicts += 1) { YYRESULTTAG yyflag; ptrdiff_t yynewStack = yysplitStack (yystackp, yyk); @@ -2053,7 +2053,6 @@ yyprocessOneStack (yyGLRStack* yystackp, ptrdiff_t yyk, } else return yyflag; - yyconflicts += 1; } if (yyisShiftAction (yyaction)) @@ -2450,7 +2449,7 @@ b4_dollar_popdef])[]dnl /* For efficiency, we have two loops, the first of which is specialized to deterministic operation (single stack, no potential ambiguity). */ - /* Standard mode */ + /* Standard mode. */ while (yytrue) { yy_state_t yystate = yystack.yytops.yystates[0]->yylrState; @@ -2473,7 +2472,8 @@ b4_dollar_popdef])[]dnl yysymbol_kind_t yytoken = ]b4_yygetToken_call;[ const short* yyconflicts; int yyaction = yygetLRActions (yystate, yytoken, &yyconflicts); - if (*yyconflicts != 0) + if (*yyconflicts) + /* Enter nondeterministic mode. */ break; if (yyisShiftAction (yyaction)) { @@ -2499,6 +2499,7 @@ b4_dollar_popdef])[]dnl } } + /* Nondeterministic mode. */ while (yytrue) { yysymbol_kind_t yytoken_to_shift; |