Bugfixing multi-DEF reader with LEF cache, adding a testcase. Making unknown vias an error.

testdata/lefdef/multi_def/comp_a.def

@@ -0,0 +1,20 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN comp_a ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( 0 0 ) ( 10000 2000 ) ;
+
+VIAS 2 ;
+    - via1 + VIARULE M1M2_PR + CUTSIZE 150 150  + LAYERS met1 via met2  + CUTSPACING 170 170  + ENCLOSURE 85 165 55 85  + ROWCOL 2 2  ;
+    - via2 + VIARULE M2M3_PR + CUTSIZE 200 200  + LAYERS met2 via2 met3  + CUTSPACING 200 200  + ENCLOSURE 40 85 65 65  + ROWCOL 3 3  ;
+END VIAS
+SPECIALNETS 2 ;
+    - VGND ( PIN VGND ) ( * VNB ) ( * VGND ) + USE GROUND
+      + ROUTED met1 480 + SHAPE FOLLOWPIN ( 0 1000 ) ( 2000 1000 )
+      NEW met1 0 + SHAPE STRIPE ( 2000 1000 ) via1
+      + ROUTED met2 480 + SHAPE FOLLOWPIN ( 2000 1000 ) ( 4000 1000 )
+      NEW met2 0 + SHAPE STRIPE ( 4000 1000 ) via2 ;
+END SPECIALNETS
+END DESIGN
+

testdata/lefdef/multi_def/comp_a.lef

@@ -0,0 +1,12 @@
+VERSION 5.7 ;
+  NOWIREEXTENSIONATPIN ON ;
+  DIVIDERCHAR "/" ;
+  BUSBITCHARS "[]" ;
+MACRO comp_a
+  CLASS BLOCK ;
+  FOREIGN comp_a ;
+  ORIGIN 0.000 0.000 ;
+  SIZE 10000.000 BY 2000.000 ;
+END comp_a
+END LIBRARY
+

testdata/lefdef/multi_def/comp_b.def

@@ -0,0 +1,20 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN comp_b ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( 0 0 ) ( 10000 2000 ) ;
+
+VIAS 2 ;
+    - via1 + VIARULE M1M2_PR + CUTSIZE 150 150  + LAYERS met1 via met2  + CUTSPACING 170 170  + ENCLOSURE 85 165 55 85  + ROWCOL 2 1  ;
+    - via2 + VIARULE M2M3_PR + CUTSIZE 200 200  + LAYERS met2 via2 met3  + CUTSPACING 200 200  + ENCLOSURE 40 85 65 65  + ROWCOL 3 2  ;
+END VIAS
+SPECIALNETS 2 ;
+    - VGND ( PIN VGND ) ( * VNB ) ( * VGND ) + USE GROUND
+      + ROUTED met1 480 + SHAPE FOLLOWPIN ( 0 1000 ) ( 2000 1000 )
+      NEW met1 0 + SHAPE STRIPE ( 2000 1000 ) via1
+      + ROUTED met2 480 + SHAPE FOLLOWPIN ( 2000 1000 ) ( 4000 1000 )
+      NEW met2 0 + SHAPE STRIPE ( 4000 1000 ) via2 ;
+END SPECIALNETS
+END DESIGN
+

testdata/lefdef/multi_def/comp_b.lef

@@ -0,0 +1,12 @@
+VERSION 5.7 ;
+  NOWIREEXTENSIONATPIN ON ;
+  DIVIDERCHAR "/" ;
+  BUSBITCHARS "[]" ;
+MACRO comp_b
+  CLASS BLOCK ;
+  FOREIGN comp_b ;
+  ORIGIN 0.000 0.000 ;
+  SIZE 10000.000 BY 2000.000 ;
+END comp_b
+END LIBRARY
+

testdata/lefdef/multi_def/comp_c.def

@@ -0,0 +1,16 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN comp_c ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( 0 0 ) ( 10000 2000 ) ;
+
+SPECIALNETS 2 ;
+    - VGND ( PIN VGND ) ( * VNB ) ( * VGND ) + USE GROUND
+      + ROUTED met1 480 + SHAPE FOLLOWPIN ( 0 1000 ) ( 2000 1000 )
+      NEW met1 0 + SHAPE STRIPE ( 2000 1000 ) via1
+      + ROUTED met2 480 + SHAPE FOLLOWPIN ( 2000 1000 ) ( 4000 1000 )
+      NEW met2 0 + SHAPE STRIPE ( 4000 1000 ) via2 ;
+END SPECIALNETS
+END DESIGN
+

testdata/lefdef/multi_def/comp_c.lef

@@ -0,0 +1,12 @@
+VERSION 5.7 ;
+  NOWIREEXTENSIONATPIN ON ;
+  DIVIDERCHAR "/" ;
+  BUSBITCHARS "[]" ;
+MACRO comp_c
+  CLASS BLOCK ;
+  FOREIGN comp_c ;
+  ORIGIN 0.000 0.000 ;
+  SIZE 10000.000 BY 2000.000 ;
+END comp_c
+END LIBRARY
+

testdata/lefdef/multi_def/layers.map

@@ -0,0 +1,7 @@
+met1    VIA,LEFPIN,PIN,SPNET,NET 1 0
+via     VIA,LEFPIN,PIN,SPNET,NET 2 0
+met2    VIA,LEFPIN,PIN,SPNET,NET 3 0
+via2    VIA,LEFPIN,PIN,SPNET,NET 4 0
+met3    VIA,LEFPIN,PIN,SPNET,NET 5 0
+
+DIEAREA ALL                      100 0

testdata/lefdef/multi_def/main.def

@@ -0,0 +1,13 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN caravel ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( 0 0 ) ( 10000 10000 ) ;
+COMPONENTS 4 ;
+- comp_a comp_a + PLACED ( 0 0 ) N ;
+- comp_b comp_b + PLACED ( 0 2000 ) N ;
+- comp_c comp_c + PLACED ( 0 4000 ) N ;
+#- comp_d comp_d + PLACED ( 0 4000 ) N ;
+END COMPONENTS
+END DESIGN

testdata/lefdef/multi_def/tech.lef

@@ -0,0 +1,89 @@
+
+VERSION 5.7 ;
+
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+USEMINSPACING OBS OFF ;
+
+UNITS
+  DATABASE MICRONS 1000 ;
+END UNITS
+
+MANUFACTURINGGRID 0.005 ;
+
+LAYER met1
+  TYPE ROUTING ;
+  DIRECTION HORIZONTAL ;
+  PITCH 0.34 ;
+  OFFSET 0.17 ;
+  WIDTH 0.14 ;
+END met1
+
+LAYER via
+  TYPE CUT ;
+  WIDTH 0.15 ;
+  SPACING 0.17 ;
+END via
+
+LAYER met2
+  TYPE ROUTING ;
+  DIRECTION VERTICAL ;
+  PITCH 0.46 ;
+  OFFSET 0.23 ;
+  WIDTH 0.14 ; 
+END met2
+
+LAYER via2
+  TYPE CUT ;
+  WIDTH 0.2 ; 
+  SPACING 0.2 ;
+END via2
+
+LAYER met3
+  TYPE ROUTING ;
+  DIRECTION HORIZONTAL ;
+  PITCH 0.68 ;
+  OFFSET 0.34 ;
+  WIDTH 0.3 ; 
+END met3
+
+VIA via1 DEFAULT
+  LAYER via ;
+  RECT -0.075 -0.075 0.075 0.075 ;
+  LAYER met1 ;
+  RECT -0.16 -0.24 0.16 0.24 ;
+  LAYER met2 ;
+  RECT -0.13 -0.24 0.13 0.24 ;
+END via1
+
+VIARULE M1M2_PR GENERATE
+  LAYER met1 ;
+  ENCLOSURE 0.085 0.055 ;
+  LAYER met2 ;
+  ENCLOSURE 0.055 0.085 ;
+  LAYER via ;
+  RECT -0.075 -0.075 0.075 0.075 ;
+  SPACING 0.32 BY 0.32 ;
+END M1M2_PR
+
+VIA via2 DEFAULT
+  LAYER via2 ;
+  RECT -0.1 -0.1 0.1 0.1 ;
+  LAYER met2 ;
+  RECT -0.14 -0.24 0.14 0.24 ;
+  LAYER met3 ;
+  RECT -0.165 -0.165 0.165 0.165 ;
+END via2
+
+VIARULE M2M3_PR GENERATE
+  LAYER met2 ;
+  ENCLOSURE 0.04 0.085 ;
+  LAYER met3 ;
+  ENCLOSURE 0.065 0.065 ;
+  LAYER via2 ;
+  RECT -0.1 -0.1 0.1 0.1 ;
+  SPACING 0.4 BY 0.4 ;
+END M2M3_PR
+
+END LIBRARY
+