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Diffstat (limited to 'tikzit/src/data/tikzparser.y')
| -rw-r--r-- | tikzit/src/data/tikzparser.y | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/tikzit/src/data/tikzparser.y b/tikzit/src/data/tikzparser.y deleted file mode 100644 index 420b8a0..0000000 --- a/tikzit/src/data/tikzparser.y +++ /dev/null @@ -1,262 +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/>. - */ - -#include "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 { - char *str; - GraphElementProperty *prop; - GraphElementData *data; - Node *node; - QPointF *pt; - struct noderef noderef; -} - -%{ -#include "node.h" -#include "edge.h" -#include "graphelementdata.h" -#include "graphelementproperty.h" - -#include "tikzlexer.h" -#import "tikzgraphassembler.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) { - // TODO: implement reportError() - //assembler->reportError(str, yylloc); - qDebug() << "parse error: " << str; -} -%} - -/* 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 <str> PROPSTRING "key/value string" -%token <str> REFSTRING "string" -%token <str> 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<str> nodename -%type<str> optanchor -%type<str> 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: - "[" "]" - { $$ = 0; } - | "[" properties "]" - { $$ = $2; } - | { $$ = 0; }; -properties: extraproperties property - { - $1->add(*$2); - delete $2; - $$ = $1; - }; -extraproperties: - extraproperties property "," - { - $1->add(*$2); - delete $2; - $$ = $1; - } - | { $$ = new GraphElementData(); }; -property: - val "=" val - { - GraphElementProperty *p = new GraphElementProperty(QString($1),QString($3)); - free($1); - free($3); - $$ = p; - } - | val - { - GraphElementProperty *a = new GraphElementProperty(QString($1)); - free($1); - $$ = a; - }; -val: PROPSTRING { $$ = $1; } | DELIMITEDSTRING { $$ = $1; }; - -nodename: "(" REFSTRING ")" { $$ = $2; }; -node: "\\node" optproperties nodename "at" COORD DELIMITEDSTRING ";" - { - Node *node = new Node(); - - if ($2) { - node->setData($2); - } - //qDebug() << "node name: " << $3; - node->setName(QString($3)); - node->setLabel(QString($6)); - free($3); - free($6); - - node->setPoint(*$5); - delete $5; - - assembler->graph()->addNode(node); - assembler->addNodeToMap(node); - }; - -optanchor: { $$ = 0; } | "." REFSTRING { $$ = $2; }; -noderef: "(" REFSTRING optanchor ")" - { - $$.node = assembler->nodeWithName(QString($2)); - free($2); - $$.anchor = $3; - }; -optnoderef: - noderef { $$ = $1; } - | "(" ")" { $$.node = 0; $$.anchor = 0; } -optedgenode: - { $$ = 0; } - | "node" optproperties DELIMITEDSTRING - { - $$ = new Node(); - if ($2) - $$->setData($2); - $$->setLabel(QString($3)); - free($3); - } -edge: "\\draw" optproperties noderef "to" optedgenode optnoderef ";" - { - Node *s; - Node *t; - - s = $3.node; - - if ($6.node) { - t = $6.node; - } else { - t = s; - } - - Edge *edge = new Edge(s, t); - if ($2) { - edge->setData($2); - edge->setAttributesFromData(); - } - - if ($5) - edge->setEdgeNode($5); - if ($3.anchor) { - edge->setSourceAnchor(QString($3.anchor)); - free($3.anchor); - } - - if ($6.node) { - if ($6.anchor) { - edge->setTargetAnchor(QString($6.anchor)); - free($6.anchor); - } - } else { - edge->setTargetAnchor(edge->sourceAnchor()); - } - - assembler->graph()->addEdge(edge); - }; - -ignoreprop: val | val "=" val; -ignoreprops: ignoreprop ignoreprops | ; -optignoreprops: "[" ignoreprops "]"; -boundingbox: - "\\path" optignoreprops COORD "rectangle" COORD ";" - { - assembler->graph()->setBbox(QRectF(*$3, *$5)); - delete $3; - delete $5; - }; - -/* vi:ft=yacc:noet:ts=4:sts=4:sw=4 -*/ |