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xenocara/app/xkbcomp/xkbparse.y
matthieu a5b6dd2df8 Update to xkbcomp 1.3.0
2015-01-25 11:44:55 +00:00

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/************************************************************
Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
Permission to use, copy, modify, and distribute this
software and its documentation for any purpose and without
fee is hereby granted, provided that the above copyright
notice appear in all copies and that both that copyright
notice and this permission notice appear in supporting
documentation, and that the name of Silicon Graphics not be
used in advertising or publicity pertaining to distribution
of the software without specific prior written permission.
Silicon Graphics makes no representation about the suitability
of this software for any purpose. It is provided "as is"
without any express or implied warranty.
SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.
********************************************************/
%token
END_OF_FILE 0
ERROR_TOK 255
XKB_KEYMAP 1
XKB_KEYCODES 2
XKB_TYPES 3
XKB_SYMBOLS 4
XKB_COMPATMAP 5
XKB_GEOMETRY 6
XKB_SEMANTICS 7
XKB_LAYOUT 8
INCLUDE 10
OVERRIDE 11
AUGMENT 12
REPLACE 13
ALTERNATE 14
VIRTUAL_MODS 20
TYPE 21
INTERPRET 22
ACTION_TOK 23
KEY 24
ALIAS 25
GROUP 26
MODIFIER_MAP 27
INDICATOR 28
SHAPE 29
KEYS 30
ROW 31
SECTION 32
OVERLAY 33
TEXT 34
OUTLINE 35
SOLID 36
LOGO 37
VIRTUAL 38
EQUALS 40
PLUS 41
MINUS 42
DIVIDE 43
TIMES 44
OBRACE 45
CBRACE 46
OPAREN 47
CPAREN 48
OBRACKET 49
CBRACKET 50
DOT 51
COMMA 52
SEMI 53
EXCLAM 54
INVERT 55
STRING 60
INTEGER 61
FLOAT 62
IDENT 63
KEYNAME 64
PARTIAL 70
DEFAULT 71
HIDDEN 72
ALPHANUMERIC_KEYS 73
MODIFIER_KEYS 74
KEYPAD_KEYS 75
FUNCTION_KEYS 76
ALTERNATE_GROUP 77
%{
#ifdef DEBUG
#define YYDEBUG 1
#endif
#define DEBUG_VAR parseDebug
#include "parseutils.h"
#include <X11/keysym.h>
#include <X11/extensions/XKBgeom.h>
#include <stdlib.h>
unsigned int parseDebug;
%}
%right EQUALS
%left PLUS MINUS
%left TIMES DIVIDE
%left EXCLAM INVERT
%left OPAREN
%start XkbFile
%union {
int ival;
unsigned uval;
char *str;
Atom sval;
ParseCommon *any;
ExprDef *expr;
VarDef *var;
VModDef *vmod;
InterpDef *interp;
KeyTypeDef *keyType;
SymbolsDef *syms;
ModMapDef *modMask;
GroupCompatDef *groupCompat;
IndicatorMapDef *ledMap;
IndicatorNameDef *ledName;
KeycodeDef *keyName;
KeyAliasDef *keyAlias;
ShapeDef *shape;
SectionDef *section;
RowDef *row;
KeyDef *key;
OverlayDef *overlay;
OverlayKeyDef *olKey;
OutlineDef *outline;
DoodadDef *doodad;
XkbFile *file;
}
%type <ival> Number Integer Float SignedNumber
%type <uval> XkbCompositeType FileType MergeMode OptMergeMode
%type <uval> DoodadType Flag Flags OptFlags
%type <str> KeyName MapName OptMapName KeySym
%type <sval> FieldSpec Ident Element String
%type <any> DeclList Decl
%type <expr> OptExprList ExprList Expr Term Lhs Terminal ArrayInit KeySyms
%type <expr> OptKeySymList KeySymList Action ActionList Coord CoordList
%type <var> VarDecl VarDeclList SymbolsBody SymbolsVarDecl
%type <vmod> VModDecl VModDefList VModDef
%type <interp> InterpretDecl InterpretMatch
%type <keyType> KeyTypeDecl
%type <syms> SymbolsDecl
%type <modMask> ModMapDecl
%type <groupCompat> GroupCompatDecl
%type <ledMap> IndicatorMapDecl
%type <ledName> IndicatorNameDecl
%type <keyName> KeyNameDecl
%type <keyAlias> KeyAliasDecl
%type <shape> ShapeDecl
%type <section> SectionDecl
%type <row> SectionBody SectionBodyItem
%type <key> RowBody RowBodyItem Keys Key
%type <overlay> OverlayDecl
%type <olKey> OverlayKeyList OverlayKey
%type <outline> OutlineList OutlineInList
%type <doodad> DoodadDecl
%type <file> XkbFile XkbMapConfigList XkbMapConfig XkbConfig
%type <file> XkbCompositeMap XkbCompMapList
%%
XkbFile : XkbCompMapList
{ $$= rtrnValue= $1; }
| XkbMapConfigList
{ $$= rtrnValue= $1; }
| XkbConfig
{ $$= rtrnValue= $1; }
;
XkbCompMapList : XkbCompMapList XkbCompositeMap
{ $$= (XkbFile *)AppendStmt(&$1->common,&$2->common); }
| XkbCompositeMap
{ $$= $1; }
;
XkbCompositeMap : OptFlags XkbCompositeType OptMapName OBRACE
XkbMapConfigList
CBRACE SEMI
{ $$= CreateXKBFile($2,$3,&$5->common,$1); }
;
XkbCompositeType: XKB_KEYMAP { $$= XkmKeymapFile; }
| XKB_SEMANTICS { $$= XkmSemanticsFile; }
| XKB_LAYOUT { $$= XkmLayoutFile; }
;
XkbMapConfigList : XkbMapConfigList XkbMapConfig
{ $$= (XkbFile *)AppendStmt(&$1->common,&$2->common); }
| XkbMapConfig
{ $$= $1; }
;
XkbMapConfig : OptFlags FileType OptMapName OBRACE
DeclList
CBRACE SEMI
{ $$= CreateXKBFile($2,$3,$5,$1); }
;
XkbConfig : OptFlags FileType OptMapName DeclList
{ $$= CreateXKBFile($2,$3,$4,$1); }
;
FileType : XKB_KEYCODES { $$= XkmKeyNamesIndex; }
| XKB_TYPES { $$= XkmTypesIndex; }
| XKB_COMPATMAP { $$= XkmCompatMapIndex; }
| XKB_SYMBOLS { $$= XkmSymbolsIndex; }
| XKB_GEOMETRY { $$= XkmGeometryIndex; }
;
OptFlags : Flags { $$= $1; }
| { $$= 0; }
;
Flags : Flags Flag { $$= (($1)|($2)); }
| Flag { $$= $1; }
;
Flag : PARTIAL { $$= XkbLC_Partial; }
| DEFAULT { $$= XkbLC_Default; }
| HIDDEN { $$= XkbLC_Hidden; }
| ALPHANUMERIC_KEYS { $$= XkbLC_AlphanumericKeys; }
| MODIFIER_KEYS { $$= XkbLC_ModifierKeys; }
| KEYPAD_KEYS { $$= XkbLC_KeypadKeys; }
| FUNCTION_KEYS { $$= XkbLC_FunctionKeys; }
| ALTERNATE_GROUP { $$= XkbLC_AlternateGroup; }
;
DeclList : DeclList Decl
{ $$= AppendStmt($1,$2); }
| { $$= NULL; }
;
Decl : OptMergeMode VarDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode VModDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode InterpretDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode KeyNameDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode KeyAliasDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode KeyTypeDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode SymbolsDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode ModMapDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode GroupCompatDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode IndicatorMapDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode IndicatorNameDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode ShapeDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode SectionDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| OptMergeMode DoodadDecl
{
$2->merge= StmtSetMerge(&$2->common,$1);
$$= &$2->common;
}
| MergeMode STRING
{
if ($1==MergeAltForm) {
yyerror("cannot use 'alternate' to include other maps");
$$= &IncludeCreate(scanBuf,MergeDefault)->common;
}
else {
$$= &IncludeCreate(scanBuf,$1)->common;
}
}
;
VarDecl : Lhs EQUALS Expr SEMI
{ $$= VarCreate($1,$3); }
| Ident SEMI
{ $$= BoolVarCreate($1,1); }
| EXCLAM Ident SEMI
{ $$= BoolVarCreate($2,0); }
;
KeyNameDecl : KeyName EQUALS Expr SEMI
{
KeycodeDef *def;
def= KeycodeCreate($1,$3);
if ($1)
free($1);
$$= def;
}
;
KeyAliasDecl : ALIAS KeyName EQUALS KeyName SEMI
{
KeyAliasDef *def;
def= KeyAliasCreate($2,$4);
if ($2) free($2);
if ($4) free($4);
$$= def;
}
;
VModDecl : VIRTUAL_MODS VModDefList SEMI
{ $$= $2; }
;
VModDefList : VModDefList COMMA VModDef
{ $$= (VModDef *)AppendStmt(&$1->common,&$3->common); }
| VModDef
{ $$= $1; }
;
VModDef : Ident
{ $$= VModCreate($1,NULL); }
| Ident EQUALS Expr
{ $$= VModCreate($1,$3); }
;
InterpretDecl : INTERPRET InterpretMatch OBRACE
VarDeclList
CBRACE SEMI
{
$2->def= $4;
$$= $2;
}
;
InterpretMatch : KeySym PLUS Expr
{ $$= InterpCreate($1, $3); }
| KeySym
{ $$= InterpCreate($1, NULL); }
;
VarDeclList : VarDeclList VarDecl
{ $$= (VarDef *)AppendStmt(&$1->common,&$2->common); }
| VarDecl
{ $$= $1; }
;
KeyTypeDecl : TYPE String OBRACE
VarDeclList
CBRACE SEMI
{ $$= KeyTypeCreate($2,$4); }
;
SymbolsDecl : KEY KeyName OBRACE
SymbolsBody
CBRACE SEMI
{ $$= SymbolsCreate($2,(ExprDef *)$4); }
;
SymbolsBody : SymbolsBody COMMA SymbolsVarDecl
{ $$= (VarDef *)AppendStmt(&$1->common,&$3->common); }
| SymbolsVarDecl
{ $$= $1; }
| { $$= NULL; }
;
SymbolsVarDecl : Lhs EQUALS Expr
{ $$= VarCreate($1,$3); }
| Lhs EQUALS ArrayInit
{ $$= VarCreate($1,$3); }
| Ident
{ $$= BoolVarCreate($1,1); }
| EXCLAM Ident
{ $$= BoolVarCreate($2,0); }
| ArrayInit
{ $$= VarCreate(NULL,$1); }
;
ArrayInit : OBRACKET OptKeySymList CBRACKET
{ $$= $2; }
| OBRACKET ActionList CBRACKET
{ $$= ExprCreateUnary(ExprActionList,TypeAction,$2); }
;
GroupCompatDecl : GROUP Integer EQUALS Expr SEMI
{ $$= GroupCompatCreate($2,$4); }
;
ModMapDecl : MODIFIER_MAP Ident OBRACE ExprList CBRACE SEMI
{ $$= ModMapCreate($2,$4); }
;
IndicatorMapDecl: INDICATOR String OBRACE VarDeclList CBRACE SEMI
{ $$= IndicatorMapCreate($2,$4); }
;
IndicatorNameDecl: INDICATOR Integer EQUALS Expr SEMI
{ $$= IndicatorNameCreate($2,$4,False); }
| VIRTUAL INDICATOR Integer EQUALS Expr SEMI
{ $$= IndicatorNameCreate($3,$5,True); }
;
ShapeDecl : SHAPE String OBRACE OutlineList CBRACE SEMI
{ $$= ShapeDeclCreate($2,(OutlineDef *)&$4->common); }
| SHAPE String OBRACE CoordList CBRACE SEMI
{
OutlineDef *outlines;
outlines= OutlineCreate(None,$4);
$$= ShapeDeclCreate($2,outlines);
}
;
SectionDecl : SECTION String OBRACE SectionBody CBRACE SEMI
{ $$= SectionDeclCreate($2,$4); }
;
SectionBody : SectionBody SectionBodyItem
{ $$=(RowDef *)AppendStmt(&$1->common,&$2->common);}
| SectionBodyItem
{ $$= $1; }
;
SectionBodyItem : ROW OBRACE RowBody CBRACE SEMI
{ $$= RowDeclCreate($3); }
| VarDecl
{ $$= (RowDef *)$1; }
| DoodadDecl
{ $$= (RowDef *)$1; }
| IndicatorMapDecl
{ $$= (RowDef *)$1; }
| OverlayDecl
{ $$= (RowDef *)$1; }
;
RowBody : RowBody RowBodyItem
{ $$=(KeyDef *)AppendStmt(&$1->common,&$2->common);}
| RowBodyItem
{ $$= $1; }
;
RowBodyItem : KEYS OBRACE Keys CBRACE SEMI
{ $$= $3; }
| VarDecl
{ $$= (KeyDef *)$1; }
;
Keys : Keys COMMA Key
{ $$=(KeyDef *)AppendStmt(&$1->common,&$3->common);}
| Key
{ $$= $1; }
;
Key : KeyName
{ $$= KeyDeclCreate($1,NULL); }
| OBRACE ExprList CBRACE
{ $$= KeyDeclCreate(NULL,$2); }
;
OverlayDecl : OVERLAY String OBRACE OverlayKeyList CBRACE SEMI
{ $$= OverlayDeclCreate($2,$4); }
;
OverlayKeyList : OverlayKeyList COMMA OverlayKey
{
$$= (OverlayKeyDef *)
AppendStmt(&$1->common,&$3->common);
}
| OverlayKey
{ $$= $1; }
;
OverlayKey : KeyName EQUALS KeyName
{ $$= OverlayKeyCreate($1,$3); }
;
OutlineList : OutlineList COMMA OutlineInList
{ $$=(OutlineDef *)AppendStmt(&$1->common,&$3->common);}
| OutlineInList
{ $$= $1; }
;
OutlineInList : OBRACE CoordList CBRACE
{ $$= OutlineCreate(None,$2); }
| Ident EQUALS OBRACE CoordList CBRACE
{ $$= OutlineCreate($1,$4); }
| Ident EQUALS Expr
{ $$= OutlineCreate($1,$3); }
;
CoordList : CoordList COMMA Coord
{ $$= (ExprDef *)AppendStmt(&$1->common,&$3->common); }
| Coord
{ $$= $1; }
;
Coord : OBRACKET SignedNumber COMMA SignedNumber CBRACKET
{
ExprDef *expr;
expr= ExprCreate(ExprCoord,TypeUnknown);
expr->value.coord.x= $2;
expr->value.coord.y= $4;
$$= expr;
}
;
DoodadDecl : DoodadType String OBRACE VarDeclList CBRACE SEMI
{ $$= DoodadCreate($1,$2,$4); }
;
DoodadType : TEXT { $$= XkbTextDoodad; }
| OUTLINE { $$= XkbOutlineDoodad; }
| SOLID { $$= XkbSolidDoodad; }
| LOGO { $$= XkbLogoDoodad; }
;
FieldSpec : Ident { $$= $1; }
| Element { $$= $1; }
;
Element : ACTION_TOK
{ $$= XkbInternAtom(NULL,"action",False); }
| INTERPRET
{ $$= XkbInternAtom(NULL,"interpret",False); }
| TYPE
{ $$= XkbInternAtom(NULL,"type",False); }
| KEY
{ $$= XkbInternAtom(NULL,"key",False); }
| GROUP
{ $$= XkbInternAtom(NULL,"group",False); }
| MODIFIER_MAP
{$$=XkbInternAtom(NULL,"modifier_map",False);}
| INDICATOR
{ $$= XkbInternAtom(NULL,"indicator",False); }
| SHAPE
{ $$= XkbInternAtom(NULL,"shape",False); }
| ROW
{ $$= XkbInternAtom(NULL,"row",False); }
| SECTION
{ $$= XkbInternAtom(NULL,"section",False); }
| TEXT
{ $$= XkbInternAtom(NULL,"text",False); }
;
OptMergeMode : MergeMode { $$= $1; }
| { $$= MergeDefault; }
;
MergeMode : INCLUDE { $$= MergeDefault; }
| AUGMENT { $$= MergeAugment; }
| OVERRIDE { $$= MergeOverride; }
| REPLACE { $$= MergeReplace; }
| ALTERNATE { $$= MergeAltForm; }
;
OptExprList : ExprList { $$= $1; }
| { $$= NULL; }
;
ExprList : ExprList COMMA Expr
{ $$= (ExprDef *)AppendStmt(&$1->common,&$3->common); }
| Expr
{ $$= $1; }
;
Expr : Expr DIVIDE Expr
{ $$= ExprCreateBinary(OpDivide,$1,$3); }
| Expr PLUS Expr
{ $$= ExprCreateBinary(OpAdd,$1,$3); }
| Expr MINUS Expr
{ $$= ExprCreateBinary(OpSubtract,$1,$3); }
| Expr TIMES Expr
{ $$= ExprCreateBinary(OpMultiply,$1,$3); }
| Lhs EQUALS Expr
{ $$= ExprCreateBinary(OpAssign,$1,$3); }
| Term
{ $$= $1; }
;
Term : MINUS Term
{ $$= ExprCreateUnary(OpNegate,$2->type,$2); }
| PLUS Term
{ $$= ExprCreateUnary(OpUnaryPlus,$2->type,$2); }
| EXCLAM Term
{ $$= ExprCreateUnary(OpNot,TypeBoolean,$2); }
| INVERT Term
{ $$= ExprCreateUnary(OpInvert,$2->type,$2); }
| Lhs
{ $$= $1; }
| FieldSpec OPAREN OptExprList CPAREN %prec OPAREN
{ $$= ActionCreate($1,$3); }
| Terminal
{ $$= $1; }
| OPAREN Expr CPAREN
{ $$= $2; }
;
ActionList : ActionList COMMA Action
{ $$= (ExprDef *)AppendStmt(&$1->common,&$3->common); }
| Action
{ $$= $1; }
;
Action : FieldSpec OPAREN OptExprList CPAREN
{ $$= ActionCreate($1,$3); }
;
Lhs : FieldSpec
{
ExprDef *expr;
expr= ExprCreate(ExprIdent,TypeUnknown);
expr->value.str= $1;
$$= expr;
}
| FieldSpec DOT FieldSpec
{
ExprDef *expr;
expr= ExprCreate(ExprFieldRef,TypeUnknown);
expr->value.field.element= $1;
expr->value.field.field= $3;
$$= expr;
}
| FieldSpec OBRACKET Expr CBRACKET
{
ExprDef *expr;
expr= ExprCreate(ExprArrayRef,TypeUnknown);
expr->value.array.element= None;
expr->value.array.field= $1;
expr->value.array.entry= $3;
$$= expr;
}
| FieldSpec DOT FieldSpec OBRACKET Expr CBRACKET
{
ExprDef *expr;
expr= ExprCreate(ExprArrayRef,TypeUnknown);
expr->value.array.element= $1;
expr->value.array.field= $3;
expr->value.array.entry= $5;
$$= expr;
}
;
Terminal : String
{
ExprDef *expr;
expr= ExprCreate(ExprValue,TypeString);
expr->value.str= $1;
$$= expr;
}
| Integer
{
ExprDef *expr;
expr= ExprCreate(ExprValue,TypeInt);
expr->value.ival= $1;
$$= expr;
}
| Float
{
ExprDef *expr;
expr= ExprCreate(ExprValue,TypeFloat);
expr->value.ival= $1;
$$= expr;
}
| KeyName
{
ExprDef *expr;
expr= ExprCreate(ExprValue,TypeKeyName);
memset(expr->value.keyName,0,5);
strncpy(expr->value.keyName,$1,4);
free($1);
$$= expr;
}
;
OptKeySymList : KeySymList { $$= $1; }
| { $$= NULL; }
;
KeySymList : KeySymList COMMA KeySym
{ $$= AppendKeysymList($1,$3); }
| KeySymList COMMA KeySyms
{ $$= AppendKeysymList($1,strdup("NoSymbol")); }
| KeySym
{ $$= CreateKeysymList($1); }
| KeySyms
{ $$= CreateKeysymList(strdup("NoSymbol")); }
;
KeySym : IDENT { $$= strdup(scanBuf); }
| SECTION { $$= strdup("section"); }
| Integer
{
if ($1<10) { $$= malloc(2); $$[0]= '0' + $1; $$[1]= '\0'; }
else { $$= malloc(19); snprintf($$, 19, "0x%x", $1); }
}
;
KeySyms : OBRACE KeySymList CBRACE
{ $$= $2; }
;
SignedNumber : MINUS Number { $$= -$2; }
| Number { $$= $1; }
;
Number : FLOAT { $$= scanInt; }
| INTEGER { $$= scanInt*XkbGeomPtsPerMM; }
;
Float : FLOAT { $$= scanInt; }
;
Integer : INTEGER { $$= scanInt; }
;
KeyName : KEYNAME { $$= strdup(scanBuf); }
;
Ident : IDENT { $$= XkbInternAtom(NULL,scanBuf,False); }
| DEFAULT { $$= XkbInternAtom(NULL,"default",False); }
;
String : STRING { $$= XkbInternAtom(NULL,scanBuf,False); }
;
OptMapName : MapName { $$= $1; }
| { $$= NULL; }
;
MapName : STRING { $$= strdup(scanBuf); }
;
%%
void
yyerror(const char *s)
{
if (warningLevel>0) {
(void)fprintf(stderr,"%s: line %d of %s\n",s,lineNum,
(scanFile?scanFile:"(unknown)"));
if ((warningLevel>3))
(void)fprintf(stderr,"last scanned symbol is: %s\n",scanBuf);
}
return;
}
int
yywrap(void)
{
return 1;
}
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