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Diffstat (limited to 'tikzit-old/src/common/tikzparser.ym')
| -rw-r--r-- | tikzit-old/src/common/tikzparser.ym | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/tikzit-old/src/common/tikzparser.ym b/tikzit-old/src/common/tikzparser.ym deleted file mode 100644 index 344e969..0000000 --- a/tikzit-old/src/common/tikzparser.ym +++ /dev/null @@ -1,224 +0,0 @@ -%{ -/* - * Copyright 2010 Chris Heunen - * Copyright 2010-2013 Aleks Kissinger - * Copyright 2013 K. Johan Paulsson - * Copyright 2013 Alex Merry <dev@randomguy3.me.uk> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#import "tikzparserdefs.h" -%} - -/* we use features added to bison 2.4 */ -%require "2.3" - -%error-verbose -/* enable maintaining locations for better error messages */ -%locations -/* the name of the header file */ -/*%defines "common/tikzparser.h"*/ -/* make it re-entrant (no global variables) */ -%pure-parser -/* We use a pure (re-entrant) lexer. This means yylex - will take a void* (opaque) type to maintain its state */ -%lex-param {void *scanner} -/* Since this parser is also pure, yyparse needs to take - that lexer state as an argument */ -%parse-param {void *scanner} - -/* possible data types for semantic values */ -%union { - NSString *nsstr; - GraphElementProperty *prop; - GraphElementData *data; - Node *node; - NSPoint pt; - struct noderef noderef; -} - -%{ -#import "GraphElementData.h" -#import "GraphElementProperty.h" -#import "Node.h" -#import "Edge.h" - -#import "tikzlexer.h" -#import "TikzGraphAssembler+Parser.h" -/* the assembler (used by this parser) is stored in the lexer - state as "extra" data */ -#define assembler yyget_extra(scanner) - -/* pass errors off to the assembler */ -void yyerror(YYLTYPE *yylloc, void *scanner, const char *str) { - [assembler reportError:str atLocation:yylloc]; -} -%} - -/* yyloc is set up with first_column = last_column = 1 by default; - however, it makes more sense to think of us being "before the - start of the line" before we parse anything */ -%initial-action { - yylloc.first_column = yylloc.last_column = 0; -} - - -%token BEGIN_TIKZPICTURE_CMD "\\begin{tikzpicture}" -%token END_TIKZPICTURE_CMD "\\end{tikzpicture}" -%token BEGIN_PGFONLAYER_CMD "\\begin{pgfonlayer}" -%token END_PGFONLAYER_CMD "\\end{pgfonlayer}" -%token DRAW_CMD "\\draw" -%token NODE_CMD "\\node" -%token PATH_CMD "\\path" -%token RECTANGLE "rectangle" -%token NODE "node" -%token AT "at" -%token TO "to" -%token SEMICOLON ";" -%token COMMA "," - -%token LEFTPARENTHESIS "(" -%token RIGHTPARENTHESIS ")" -%token LEFTBRACKET "[" -%token RIGHTBRACKET "]" -%token FULLSTOP "." -%token EQUALS "=" -%token <pt> COORD "co-ordinate" -%token <nsstr> PROPSTRING "key/value string" -%token <nsstr> REFSTRING "string" -%token <nsstr> DELIMITEDSTRING "{-delimited string" - -%token UNKNOWN_BEGIN_CMD "unknown \\begin command" -%token UNKNOWN_END_CMD "unknown \\end command" -%token UNKNOWN_CMD "unknown latex command" -%token UNKNOWN_STR "unknown string" -%token UNCLOSED_DELIM_STR "unclosed {-delimited string" - -%type<nsstr> nodename -%type<nsstr> optanchor -%type<nsstr> val -%type<prop> property -%type<data> extraproperties -%type<data> properties -%type<data> optproperties -%type<node> optedgenode -%type<noderef> noderef -%type<noderef> optnoderef - -%% - -tikzpicture: "\\begin{tikzpicture}" optproperties tikzcmds "\\end{tikzpicture}" - { - if ($2) { - [[assembler graph] setData:$2]; - } - }; -tikzcmds: tikzcmds tikzcmd | ; -tikzcmd: node | edge | boundingbox | ignore; - -ignore: "\\begin{pgfonlayer}" DELIMITEDSTRING | "\\end{pgfonlayer}"; - -optproperties: - "[" "]" - { $$ = nil; } - | "[" properties "]" - { $$ = $2; } - | { $$ = nil; }; -properties: extraproperties property - { - [$1 addObject:$2]; - $$ = $1; - }; -extraproperties: - extraproperties property "," - { - [$1 addObject:$2]; - $$ = $1; - } - | { $$ = [GraphElementData data]; }; -property: - val "=" val - { $$ = [GraphElementProperty property:$1 withValue:$3]; } - | val - { $$ = [GraphElementProperty atom:$1]; }; -val: PROPSTRING { $$ = $1; } | DELIMITEDSTRING { $$ = $1; }; - -nodename: "(" REFSTRING ")" { $$ = $2; }; -node: "\\node" optproperties nodename "at" COORD DELIMITEDSTRING ";" - { - Node *node = [[Node alloc] init]; - if ($2) - [node setData:$2]; - [node setName:$3]; - [node setPoint:$5]; - [node setLabel:$6]; - [assembler addNodeToMap:node]; - [[assembler graph] addNode:node]; -#if ! __has_feature(objc_arc) - [node release]; -#endif - }; - -optanchor: { $$ = nil; } | "." REFSTRING { $$ = $2; }; -noderef: "(" REFSTRING optanchor ")" - { - $$.node = [assembler nodeWithName:$2]; - $$.anchor = $3; - }; -optnoderef: - noderef { $$ = $1; } - | "(" ")" { $$.node = nil; $$.anchor = nil; } -optedgenode: - { $$ = nil; } - | "node" optproperties DELIMITEDSTRING - { - $$ = [Node node]; - if ($2) - [$$ setData:$2]; - [$$ setLabel:$3]; - } -edge: "\\draw" optproperties noderef "to" optedgenode optnoderef ";" - { - Edge *edge = [[Edge alloc] init]; - if ($2) - [edge setData:$2]; - [edge setSource:$3.node]; - [edge setSourceAnchor:$3.anchor]; - [edge setEdgeNode:$5]; - if ($6.node) { - [edge setTarget:$6.node]; - [edge setTargetAnchor:$6.anchor]; - } else { - [edge setTarget:$3.node]; - [edge setTargetAnchor:$3.anchor]; - } - [edge setAttributesFromData]; - [[assembler graph] addEdge:edge]; -#if ! __has_feature(objc_arc) - [edge release]; -#endif - }; - -ignoreprop: val | val "=" val; -ignoreprops: ignoreprop ignoreprops | ; -optignoreprops: "[" ignoreprops "]"; -boundingbox: - "\\path" optignoreprops COORD "rectangle" COORD ";" - { - [[assembler graph] setBoundingBox:NSRectAroundPoints($3, $5)]; - }; - -/* vi:ft=yacc:noet:ts=4:sts=4:sw=4 -*/ |