X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/c5e3e5105512fe14bc2c7d5fdcb49018712403e8..2f82502a6fc07c455cbbfa94e75c5febf930d1c9:/data/yacc.c?ds=inline diff --git a/data/yacc.c b/data/yacc.c index 0e30d1d8..462af2e2 100644 --- a/data/yacc.c +++ b/data/yacc.c @@ -547,6 +547,50 @@ do { \ } \ } while (0) +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (cinluded). | +`------------------------------------------------------------------*/ + +]b4_c_function_def([yy_stack_print], [static void], + [[short *bottom], [bottom]], + [[short *top], [top]])[ +{ + YYFPRINTF (stderr, "Stack now"); + for (/* Nothing. */; bottom <= top; ++bottom) + YYFPRINTF (stderr, " %d", *bottom); + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +]b4_c_function_def([yy_reduce_print], [static void], + [[int yyrule], [yyrule]])[ +{ + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %d), ", + yyrule - 1, yyrline[yyrule]); + /* Print the symbols being reduced, and their result. */ + for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) + YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); + YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]); +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (Rule); \ +} while (0) + /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ int yydebug; @@ -554,8 +598,11 @@ int yydebug; # define YYDPRINTF(Args) # define YYDSYMPRINT(Args) # define YYDSYMPRINTF(Title, Token, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) #endif /* !YYDEBUG */ + /* YYINITDEPTH -- initial size of the parser's stacks. */ #ifndef YYINITDEPTH # define YYINITDEPTH ]b4_stack_depth_init[ @@ -936,23 +983,7 @@ yyreduce: ]b4_location_if( [ /* Default location. */ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);])[ - -#if YYDEBUG - /* We have to keep this `#if YYDEBUG', since we use variables which - are defined only if `YYDEBUG' is set. */ - if (yydebug) - { - int yyi; - - YYFPRINTF (stderr, "Reducing by rule %d (line %d), ", - yyn - 1, yyrline[yyn]); - - /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyn]; 0 <= yyrhs[yyi]; yyi++) - YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); - YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyn]]); - } -#endif + YY_REDUCE_PRINT (yyn); switch (yyn) ]{ b4_actions @@ -965,16 +996,7 @@ b4_syncline([@oline@], [@ofile@]) yyssp -= yylen; ]b4_location_if([ yylsp -= yylen;])[ -#if YYDEBUG - if (yydebug) - { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); - } -#endif + YY_STACK_PRINT (yyss, yyssp); *++yyvsp = yyval; ]b4_location_if([ *++yylsp = yyloc;])[ @@ -1111,17 +1133,7 @@ yyerrlab1: yyvsp--; yystate = *--yyssp; ]b4_location_if([ yylsp--;])[ - -#if YYDEBUG - if (yydebug) - { - short *yyssp1 = yyss - 1; - YYFPRINTF (stderr, "Error: state stack now"); - while (yyssp1 != yyssp) - YYFPRINTF (stderr, " %d", *++yyssp1); - YYFPRINTF (stderr, "\n"); - } -#endif + YY_STACK_PRINT (yyss, yyssp); } if (yyn == YYFINAL)