mirror of
git://projects.qi-hardware.com/fped.git
synced 2024-11-05 06:18:26 +02:00
4a0fd61016
- removed support for old-style measurements - new-style measurements are now embedded in "struct obj", so we can dump and delete them - "measxy" is now called "meas" - updated examples to use new-style measurements git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5412 99fdad57-331a-0410-800a-d7fa5415bdb3
150 lines
3.2 KiB
Plaintext
150 lines
3.2 KiB
Plaintext
%{
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/*
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* fpd.l - FootPrint Definition language
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*
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* Written 2009 by Werner Almesberger
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* Copyright 2009 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include "util.h"
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#include "coord.h"
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#include "expr.h"
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#include "error.h"
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#include "meas.h"
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#include "y.tab.h"
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int start_token = START_FPD;
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static int disable_keywords = 0;
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static int is_table = 0;
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void scan_empty(void)
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{
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yy_scan_string("");
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}
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void scan_expr(const char *s)
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{
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start_token = START_EXPR;
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yy_scan_string(s);
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}
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%}
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/* keywords are only accepted at the beginning of a line */
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%s NOKEYWORD
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NUM [0-9]+\.?[0-9]*
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SP [\t ]*
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%%
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%{
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/*
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* Nice hack:
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*
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* http://www.gnu.org/software/bison/manual/bison.html#
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* Multiple-start_002dsymbols
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*/
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if (start_token) {
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int tmp = start_token;
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start_token = 0;
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return tmp;
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}
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%}
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<INITIAL>"set" { BEGIN(NOKEYWORD);
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return TOK_SET; }
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<INITIAL>"loop" { BEGIN(NOKEYWORD);
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return TOK_LOOP; }
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<INITIAL>"part" { BEGIN(NOKEYWORD);
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return TOK_PART; }
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<INITIAL>"frame" { BEGIN(NOKEYWORD);
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is_table = 0;
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return TOK_FRAME; }
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<INITIAL>"table" { BEGIN(NOKEYWORD);
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is_table = 1;
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return TOK_TABLE; }
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<INITIAL>"vec" { BEGIN(NOKEYWORD);
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return TOK_VEC; }
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<INITIAL>"pad" { BEGIN(NOKEYWORD);
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return TOK_PAD; }
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<INITIAL>"rect" { BEGIN(NOKEYWORD);
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return TOK_RECT; }
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<INITIAL>"line" { BEGIN(NOKEYWORD);
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return TOK_LINE; }
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<INITIAL>"circ" { BEGIN(NOKEYWORD);
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return TOK_CIRC; }
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<INITIAL>"arc" { BEGIN(NOKEYWORD);
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return TOK_ARC; }
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<INITIAL>"meas" { BEGIN(NOKEYWORD);
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return TOK_MEAS; }
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<INITIAL>"measx" { BEGIN(NOKEYWORD);
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return TOK_MEASX; }
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<INITIAL>"measy" { BEGIN(NOKEYWORD);
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return TOK_MEASY; }
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<INITIAL>[a-zA-Z_][a-zA-Z_0-9]*: { *strchr(yytext, ':') = 0;
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yylval.id = unique(yytext);
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return LABEL; }
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[a-zA-Z_][a-zA-Z_0-9]* { yylval.id = unique(yytext);
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return ID; }
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{NUM}{SP}mm { yylval.num.type = nt_mm;
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yylval.num.exponent = 1;
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sscanf(yytext, "%lf", &yylval.num.n);
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return NUMBER; }
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{NUM}{SP}mil { yylval.num.type = nt_mil;
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yylval.num.exponent = 1;
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sscanf(yytext, "%lf", &yylval.num.n);
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return NUMBER; }
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{NUM} { yylval.num.type = nt_mm; /* mm or mil */
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yylval.num.exponent = 0;
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sscanf(yytext, "%lf", &yylval.num.n);
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return NUMBER; }
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\"(\\[^\n\t]|[^\\"\n\t])*\" { *strrchr(yytext, '"') = 0;
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yylval.str = stralloc(yytext+1);
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return STRING; }
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"->" return TOK_NEXT;
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"<-" return TOK_NEXT_INVERTED;
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">>" return TOK_MAX;
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"<<" return TOK_MAX_INVERTED;
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{SP} ;
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\n { if (!disable_keywords)
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BEGIN(INITIAL);
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lineno++; }
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; BEGIN(INITIAL);
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"{" { BEGIN(NOKEYWORD);
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disable_keywords = is_table;
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return '{'; }
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"}" { disable_keywords = 0;
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return '}'; }
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^#\ [0-9]+\ \"[^"]*\"(\ [0-9]+)*\n {
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if (!disable_keywords)
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BEGIN(INITIAL);
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lineno = strtol(yytext+2, NULL, 0); }
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. return *yytext;
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