bison -y -d -t -v gram.y && mv y.tab.c gram.c
gram.y:47.9-52.4: type clash (nodeId' ') on default action
……
Ok. These errors are caused by missing semicolons at the end of each of rule.
So:
implicit_map : IOPEN in_implicit_map IEND
{
$$ = $2;
}
Should be:
implicit_map : IOPEN in_implicit_map IEND
{
$$ = $2;
}
;
See gram.y below.
_why
//
// gram.y
//
// $Author: whythluckystiff $
// $Date: 2003/03/14 05:29:26 $
//
// Copyright (C) 2003 why the lucky stiff
//
%start doc
%pure-parser
%{
#include “syck.h”
#define YYPARSE_PARAM parser
#define YYLEX_PARAM parser
%}
%union {
SYMID nodeId;
SyckNode *nodeData;
char *name;
};
%token ANCHOR ALIAS TRANSFER ITRANSFER
%token WORD PLAIN BLOCK
%token DOCSEP IOPEN INDENT IEND
%type doc basic_seq
%type atom word_rep struct_rep atom_or_empty
%type implicit_seq inline_seq implicit_map inline_map
%type in_implicit_seq in_inline_seq basic_mapping basic_mapping2
%type in_implicit_map in_inline_map complex_mapping
%left ‘-’ ‘:’
%left ‘+’ ‘[’ ‘]’ ‘{’ ‘}’ ‘,’ ‘?’
%%
doc : struct_rep
{
((SyckParser *)parser)->root = syck_hdlr_add_node( (SyckParser
*)parser, $1 );
}
> DOCSEP atom
{
((SyckParser *)parser)->root = syck_hdlr_add_node( (SyckParser
*)parser, $2 );
}
;
atom : word_rep
> struct_rep
> ANCHOR atom
{
/*
* Anchors: The language binding must keep a separate symbol
table
* for anchors. The actual ID in the symbol table is returned to
the
* higher nodes, though.
*/
$$ = syck_hdlr_add_anchor( (SyckParser )parser, $1, $2 );
}
> ALIAS
{
/
* Aliases: The anchor symbol table is scanned for the anchor
name.
* The anchor’s ID in the language’s symbol table is returned.
*/
$$ = syck_hdlr_add_alias( (SyckParser *)parser, $1 );
}
> IOPEN atom IEND
{
$$ = $2;
}
;
atom_or_empty : atom
>
{
SyckNode *n = syck_new_str( “” );
n->type_id = “null”;
$$ = n;
}
;
//
// Words are broken out to distinguish them
// as keys in implicit maps and valid elements
// for the inline structures
//
word_rep : TRANSFER word_rep
{
$$ = syck_add_transfer( $1, $2 );
}
> ITRANSFER word_rep
{
if ( ((SyckParser *)parser)->implicit_typing == 1 )
{
try_tag_implicit( $2 );
}
$$ = $2;
}
> WORD
{
SyckNode *n = $1;
n->type_id = “str”;
$$ = n;
}
> PLAIN
{
$$ = $1;
}
;
//
// Any of these structures can be used as
// complex keys
//
struct_rep : TRANSFER struct_rep
{
$$ = syck_add_transfer( $1, $2 );
}
> BLOCK
{
//SyckNode *n = $3;
//syck_fold_format( $1, $3 );
//n->type_id = “str”;
//$$ = n;
$$ = $1;
}
> implicit_seq
> inline_seq
> implicit_map
> inline_map
;
//
// Implicit sequence
//
implicit_seq : IOPEN in_implicit_seq IEND
{
$$ = $2;
}
;
basic_seq : ‘-’ atom_or_empty
{
$$ = syck_hdlr_add_node( (SyckParser *)parser, $2 );
}
;
in_implicit_seq : basic_seq
{
$$ = syck_new_seq( $1 );
}
> in_implicit_seq INDENT basic_seq
{
syck_seq_add( $1, $3 );
$$ = $1;
}
;
//
// Inline sequences
//
inline_seq : ‘[’ in_inline_seq ‘]’
{
$$ = $2;
}
> ‘[’ ‘]’
{
$$ = syck_alloc_seq();
}
;
in_inline_seq : atom
{
$$ = syck_new_seq( syck_hdlr_add_node( (SyckParser
*)parser, $1 ) );
}
> in_inline_seq ‘,’ atom
{
syck_seq_add( $1, syck_hdlr_add_node( (SyckParser
*)parser, $3 ) );
$$ = $1;
}
;
//
// Implicit maps
//
implicit_map : IOPEN in_implicit_map IEND
{
$$ = $2;
}
;
basic_mapping : word_rep ‘:’ atom_or_empty
{
$$ = syck_new_map(
syck_hdlr_add_node( (SyckParser *)parser, $1 ),
syck_hdlr_add_node( (SyckParser *)parser, $3 ) );
}
;
complex_mapping : basic_mapping
> ‘?’ atom INDENT ‘:’ atom_or_empty
{
$$ = syck_new_map(
syck_hdlr_add_node( (SyckParser *)parser, $2 ),
syck_hdlr_add_node( (SyckParser *)parser, $5 ) );
}
;
in_implicit_map : complex_mapping
{
$$ = $1;
}
> in_implicit_map INDENT complex_mapping
{
syck_map_update( $1, $3 );
$$ = $1;
}
;
//
// Inline maps
//
basic_mapping2 : atom ‘:’ atom_or_empty
{
$$ = syck_new_map(
syck_hdlr_add_node( (SyckParser *)parser, $1 ),
syck_hdlr_add_node( (SyckParser *)parser, $3 ) );
}
;
inline_map : ‘{’ in_inline_map ‘}’
{
$$ = $2;
}
> ‘{’ ‘}’
{
$$ = syck_alloc_map();
}
;
in_inline_map : basic_mapping2
{
$$ = $1;
}
> in_inline_map ‘,’ basic_mapping2
{
syck_map_update( $1, $3 );
$$ = $1;
}
;
%%
···
On Friday 14 March 2003 01:40 pm, Daniel Berger wrote:
