allow backslash in string, fixes issue chipsalliance#45

Signed-off-by: Christian Lanius <christian.lanius@rwth-aachen.de>
christian-lanius · Apr 6, 2021 · b167e27 · b167e27
1 parent e307c81
commit b167e27
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Showing 3 changed files with 33 additions and 1 deletion.
diff --git a/sdf_timing/sdflex.py b/sdf_timing/sdflex.py
@@ -150,7 +150,7 @@ def t_SLASH(t):
 
 
 def t_STRING(t):
-    r'[a-zA-Z0-9_\/.\[\]]+'
+    r'[a-zA-Z0-9_\/.\[\]\\\\]+'
     t.type = reserved.get(t.value, 'STRING')
     return t
 

diff --git a/tests/data/escaped_name.sdf b/tests/data/escaped_name.sdf
@@ -0,0 +1,16 @@
+(DELAYFILE
+    (SDFVERSION "3.0")
+    (TIMESCALE 1ps)
+
+    (CELL
+        (CELLTYPE "vpr_interconnect")
+        (INSTANCE dut/routing_segment_b0_output_0_0_to_c0_input_0_0)
+        (DELAY
+            (ABSOLUTE
+                (INTERCONNECT clk_i TESTENV/clock_generator/clk_mux/CLK1 (1.4:8.4:8.4)(1.6:7.7:7.7))
+                (INTERCONNECT rstn_i TESTENV/reset_synchronizer_genblk1\[0\]\.ff_1_reg/RESET (3.7:3.5:3.5)(3.8:3.5:3.5))
+                (INTERCONNECT rstn_i TESTENV/reset_synchronizer_genblk1\[0\]\.ff_2_reg/RESET (3.7:3.5:3.5)(3.8:3.5:3.5))
+            )
+        )
+    )
+)
diff --git a/tests/data/golden/escaped_name.sdf b/tests/data/golden/escaped_name.sdf
@@ -0,0 +1,16 @@
+(DELAYFILE
+    (SDFVERSION "3.0")
+    (TIMESCALE 1ps)
+
+    (CELL
+        (CELLTYPE "vpr_interconnect")
+        (INSTANCE dut/routing_segment_b0_output_0_0_to_c0_input_0_0)
+        (DELAY
+            (ABSOLUTE
+                (INTERCONNECT clk_i TESTENV/clock_generator/clk_mux/CLK1 (1.4:8.4:8.4)(1.6:7.7:7.7))
+                (INTERCONNECT rstn_i TESTENV/reset_synchronizer_genblk1\[0\]\.ff_1_reg/RESET (3.7:3.5:3.5)(3.8:3.5:3.5))
+                (INTERCONNECT rstn_i TESTENV/reset_synchronizer_genblk1\[0\]\.ff_2_reg/RESET (3.7:3.5:3.5)(3.8:3.5:3.5))
+            )
+        )
+    )
+)