diff options
Diffstat (limited to 'cpp/src/Slice/GrammarUtil.h')
| -rw-r--r-- | cpp/src/Slice/GrammarUtil.h | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/cpp/src/Slice/GrammarUtil.h b/cpp/src/Slice/GrammarUtil.h index ea89bacd7bb..685475b74aa 100644 --- a/cpp/src/Slice/GrammarUtil.h +++ b/cpp/src/Slice/GrammarUtil.h @@ -12,11 +12,10 @@ // // ********************************************************************** -#ifndef SLICE_GRAMMER_UTIL_H -#define SLICE_GRAMMER_UTIL_H +#ifndef SLICE_GRAMMAR_UTIL_H +#define SLICE_GRAMMAR_UTIL_H #include <Slice/Parser.h> -#include <map> namespace Slice { @@ -179,4 +178,29 @@ public: } +// +// Stuff for flex and bison +// + +#define YYSTYPE Slice::GrammarBasePtr +#define YY_DECL int slice_lex(YYSTYPE* yylvalp) +YY_DECL; +int slice_parse(); + +// +// I must set the initial stack depth to the maximum stack depth to +// disable bison stack resizing. The bison stack resizing routines use +// simple malloc/alloc/memcpy calls, which do not work for the +// YYSTYPE, since YYSTYPE is a C++ type, with constructor, destructor, +// assignment operator, etc. +// +#define YYMAXDEPTH 20000 // 20000 should suffice. Bison default is 10000 as maximum. +#define YYINITDEPTH YYMAXDEPTH // Initial depth is set to max depth, for the reasons described above. + +// +// Newer bison versions allow to disable stack resizing by defining +// yyoverflow. +// +#define yyoverflow(a, b, c, d, e, f) yyerror(a) + #endif |