Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-09 20:33:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

grammar: split %union to group together related aspects

Browse Source 
* src/parse-gram.y (INT): Fuse the %type and %token declaration.
Move its %union right before its introduction.
(%union): Split in several %unions, right before their use.
This commit is contained in:
Akim Demaille
2013-04-04 15:32:49 +02:00
parent c56d0037d2
commit a17c70f876
1 changed files with 15 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
src/parse-gram.y
View File

@@ -101,23 +101,9 @@ static char const *char_name (char);
boundary_set (&@$.end, current_file, 1, 1);
}
%union
{
assoc assoc;
char *code;
char const *chars;
int integer;
named_ref *named_ref;
symbol *symbol;
symbol_list *list;
uniqstr uniqstr;
unsigned char character;
};
/* Define the tokens together with their human representation. */
%token GRAM_EOF 0 "end of file"
%token STRING "string"
%token INT "integer"
%token PERCENT_TOKEN "%token"
%token PERCENT_NTERM "%nterm"
@@ -182,11 +168,17 @@ static char const *char_name (char);
%token TAG_ANY "<*>"
%token TAG_NONE "<>"
%union {unsigned char character;}
%type <character> CHAR
%printer { fputs (char_name ($$), yyo); } CHAR
/* braceless is not to be used for rule or symbol actions, as it
calls code_props_plain_init. */
%union
{
char *code;
char const *chars;
};
%type <chars> STRING "%{...%}" EPILOGUE braceless content.opt
%type <code> "{...}" "%?{...}"
%printer { fputs (quotearg_style (c_quoting_style, $$), yyo); }
@@ -194,6 +186,7 @@ static char const *char_name (char);
%printer { fprintf (yyo, "{\n%s\n}", $$); }
braceless content.opt "{...}" "%{...%}" EPILOGUE
%union {uniqstr uniqstr;}
%type <uniqstr> BRACKETED_ID ID ID_COLON PERCENT_FLAG TAG tag variable
%printer { fputs ($$, yyo); } <uniqstr>
%printer { fprintf (yyo, "[%s]", $$); } BRACKETED_ID
@@ -201,15 +194,22 @@ static char const *char_name (char);
%printer { fprintf (yyo, "%%%s", $$); } PERCENT_FLAG
%printer { fprintf (yyo, "<%s>", $$); } TAG tag
%type <integer> INT
%union {int integer;};
%token <integer> INT "integer"
%printer { fprintf (yyo, "%d", $$); } <integer>
%union {symbol *symbol;}
%type <symbol> id id_colon string_as_id symbol symbol.prec
%printer { fprintf (yyo, "%s", $$->tag); } <symbol>
%printer { fprintf (yyo, "%s:", $$->tag); } id_colon
%union {assoc assoc;};
%type <assoc> precedence_declarator
%union {symbol_list *list;}
%type <list> symbols.1 symbols.prec generic_symlist generic_symlist_item
%union {named_ref *named_ref;}
%type <named_ref> named_ref.opt
/*---------.