Bugfix LEF/DEF reader: via needs to change the layer also if it's inside a DEF. Added more test cases.

testdata/lefdef/doxy_vias/test.def

@@ -16,4 +16,13 @@ SPECIALNETS 1 ;
    + ROUTED M1 150 + SHAPE IOWIRE ( 40000 3600 ) VIA1_dummy DO 16000 BY 1 STEP 700 0
 ;
 END SPECIALNETS
+SCANCHAINS 77 ;
+- chain1_clock1
++ PARTITION clock1
++ START block1/bsr_reg_0 Q
++ FLOATING
+block1/pgm_cgm_en_reg_reg ( IN SD ) ( OUT QZ )
+block1/start_reset_dd_reg ( IN SD ) ( OUT QZ )
++ STOP block1/start_reset_d_reg SD ;
+END SCANCHAINS
 END DESIGN

testdata/lefdef/specialnets_geo/test.def

@@ -0,0 +1,26 @@
+
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN chip_top ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( 0 0 ) ( 300 300 ) ;
+STYLES 2 ;
+- STYLE 1 ( 30 10 ) ( 10 30 ) ( -10 30 ) ( -30 10 ) ( -30 -10 ) ( -10 -30 ) ( 10 -30 ) ( 30 -10 ) ;
+END STYLES
+VIAS 1 ;
+ - VIA1_dummy
+   + RECT M1 ( -20 -15 ) ( 20 15 )
+   + RECT VIA1 ( -10 -10 ) ( 10 10 )
+   + RECT M2 ( -25 -25 ) ( 25 25 ) ;
+END VIAS
+SPECIALNETS 1 ;
+- dummy
+  + POLYGON M1 ( 300 0 ) ( 300 50 ) ( 350 50 ) ( 400 100 ) ( 400 0 )
+  + POLYGON M2 ( 300 150 ) ( 300 200 ) ( 350 200 ) ( 400 250 ) ( 400 150 )
+  + RECT M1 ( 0 0 ) ( 100 200 )
+  + ROUTED M1 30 ( 0 0 15 ) ( 100 0 0 ) VIA1_dummy ( 100 100 10 )
+  + ROUTED M2 50 + SHAPE RING + STYLE 1 ( 0 100 ) ( 100 200 ) ( 200 200 )
+;
+END SPECIALNETS
+END DESIGN

testdata/lefdef/specialnets_geo/test.lef

@@ -0,0 +1,24 @@
+VERSION 5.8 ;
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+
+UNITS
+  DATABASE MICRONS 1000 ;
+END UNITS
+
+MANUFACTURINGGRID 0.001 ;
+
+LAYER M1
+  TYPE ROUTING ;
+END M1
+
+LAYER VIA1
+  TYPE CUT ;
+END VIA1
+
+LAYER M2
+  TYPE ROUTING ;
+  WIDTH 0.05 ;
+END M2
+
+END LIBRARY