tests/cmdline: Improve coverage test for printing bytecode.

Author: dpgeorge

tests/cmdline/cmd_showbc.py

@@ -34,12 +34,14 @@ def f():
     # subscript
     p = b[0]
     b[0] = p
+    b[0] += p
 
     # slice
     a = b[::]
 
     # sequenc unpacking
     a, b = c
+    a, *a = a
 
     # tuple swapping
     a, b = b, a
@@ -79,6 +81,7 @@ def f():
         b
     while not a:
         b
+    a = a or a
 
     # for loop
     for a in b:
@@ -92,6 +95,11 @@ def f():
         b
     finally:
         c
+    while a:
+        try:
+            break
+        except:
+            pass
 
     # with
     with a:
@@ -117,6 +125,12 @@ def closure():
     return
     return 1
 
+# function with lots of locals
+def f():
+    l1 = l2 = l3 = l4 = l5 = l6 = l7 = l8 = l9 = l10 = 1
+    m1 = m2 = m3 = m4 = m5 = m6 = m7 = m8 = m9 = m10 = 2
+    l10 + m10
+
 # functions with default args
 def f(a=1):
     pass
@@ -133,3 +147,6 @@ def f():
 # class
 class Class:
     pass
+
+# delete name
+del Class

tests/cmdline/cmd_showbc.py.exp

@@ -7,9 +7,11 @@ arg names:
 (N_EXC_STACK 0)
   bc=-1 line=1
 ########
-  bc=\\d\+ line=134
+  bc=\\d\+ line=152
 00 MAKE_FUNCTION \.\+
 \\d\+ STORE_NAME f
+\\d\+ MAKE_FUNCTION \.\+
+\\d\+ STORE_NAME f
 \\d\+ LOAD_CONST_SMALL_INT 1
 \\d\+ BUILD_TUPLE 1
 \\d\+ LOAD_NULL
@@ -22,6 +24,7 @@ arg names:
 \\d\+ LOAD_CONST_STRING 'Class'
 \\d\+ CALL_FUNCTION n=2 nkw=0
 \\d\+ STORE_NAME Class
+\\d\+ DELETE_NAME Class
 \\d\+ LOAD_CONST_NONE
 \\d\+ RETURN_VALUE
 File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
@@ -35,7 +38,7 @@ Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 (INIT_CELL 16)
   bc=-4 line=1
 ########
-  bc=\\d\+ line=118
+  bc=\\d\+ line=126
 00 LOAD_CONST_NONE
 01 LOAD_CONST_FALSE
 02 BINARY_OP 5 __add__
@@ -123,6 +126,14 @@ Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 \\d\+ LOAD_CONST_SMALL_INT 0
 \\d\+ STORE_SUBSCR
 \\d\+ LOAD_DEREF 14
+\\d\+ LOAD_CONST_SMALL_INT 0
+\\d\+ DUP_TOP_TWO
+\\d\+ LOAD_SUBSCR
+\\d\+ LOAD_FAST 12
+\\d\+ BINARY_OP 18 __iadd__
+\\d\+ ROT_THREE
+\\d\+ STORE_SUBSCR
+\\d\+ LOAD_DEREF 14
 \\d\+ LOAD_CONST_NONE
 \\d\+ LOAD_CONST_NONE
 \\d\+ BUILD_SLICE 2
@@ -132,6 +143,10 @@ Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 \\d\+ UNPACK_SEQUENCE 2
 \\d\+ STORE_FAST 0
 \\d\+ STORE_DEREF 14
+\\d\+ LOAD_FAST 0
+\\d\+ UNPACK_EX 1
+\\d\+ STORE_FAST 0
+\\d\+ STORE_FAST 0
 \\d\+ LOAD_DEREF 14
 \\d\+ LOAD_FAST 0
 \\d\+ ROT_TWO
@@ -225,6 +240,10 @@ Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 \\d\+ POP_TOP
 \\d\+ LOAD_FAST 0
 \\d\+ POP_JUMP_IF_FALSE \\d\+
+\\d\+ LOAD_FAST 0
+\\d\+ JUMP_IF_TRUE_OR_POP \\d\+
+\\d\+ LOAD_FAST 0
+\\d\+ STORE_FAST 0
 \\d\+ LOAD_DEREF 14
 \\d\+ GET_ITER
 \\d\+ FOR_ITER \\d\+
@@ -251,6 +270,17 @@ Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 \\d\+ LOAD_FAST 1
 \\d\+ POP_TOP
 \\d\+ END_FINALLY
+\\d\+ JUMP \\d\+
+\\d\+ SETUP_EXCEPT \\d\+
+\\d\+ UNWIND_JUMP \\d\+ 1
+\\d\+ POP_BLOCK
+\\d\+ JUMP \\d\+
+\\d\+ POP_TOP
+\\d\+ POP_EXCEPT
+\\d\+ JUMP \\d\+
+\\d\+ END_FINALLY
+\\d\+ LOAD_FAST 0
+\\d\+ POP_JUMP_IF_TRUE \\d\+
 \\d\+ LOAD_FAST 0
 \\d\+ SETUP_WITH \\d\+
 \\d\+ POP_TOP
@@ -291,13 +321,68 @@ Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
 Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 ########
+\.\+rg names:
+(N_STATE 22)
+(N_EXC_STACK 0)
+  bc=-1 line=1
+########
+  bc=\\d\+ line=132
+00 LOAD_CONST_SMALL_INT 1
+01 DUP_TOP
+02 STORE_FAST 0
+03 DUP_TOP
+04 STORE_FAST 1
+05 DUP_TOP
+06 STORE_FAST 2
+07 DUP_TOP
+08 STORE_FAST 3
+09 DUP_TOP
+10 STORE_FAST 4
+11 DUP_TOP
+12 STORE_FAST 5
+13 DUP_TOP
+14 STORE_FAST 6
+15 DUP_TOP
+16 STORE_FAST 7
+17 DUP_TOP
+18 STORE_FAST 8
+19 STORE_FAST 9
+20 LOAD_CONST_SMALL_INT 2
+21 DUP_TOP
+22 STORE_FAST 10
+23 DUP_TOP
+24 STORE_FAST 11
+25 DUP_TOP
+26 STORE_FAST 12
+27 DUP_TOP
+28 STORE_FAST 13
+29 DUP_TOP
+30 STORE_FAST 14
+31 DUP_TOP
+32 STORE_FAST 15
+33 DUP_TOP
+34 STORE_FAST_N 16
+36 DUP_TOP
+37 STORE_FAST_N 17
+39 DUP_TOP
+40 STORE_FAST_N 18
+42 STORE_FAST_N 19
+44 LOAD_FAST 9
+45 LOAD_FAST_N 19
+47 BINARY_OP 5 __add__
+48 POP_TOP
+49 LOAD_CONST_NONE
+50 RETURN_VALUE
+File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
+Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
+########
 \.\+5b
 arg names: a
 (N_STATE 5)
 (N_EXC_STACK 0)
 (INIT_CELL 0)
 ########
-  bc=\\d\+ line=124
+  bc=\\d\+ line=138
 00 LOAD_CONST_SMALL_INT 2
 01 BUILD_TUPLE 1
 03 LOAD_NULL
@@ -314,9 +399,9 @@ arg names:
 (N_STATE 2)
 (N_EXC_STACK 0)
   bc=-1 line=1
-  bc=0 line=129
-  bc=3 line=130
-  bc=6 line=131
+  bc=0 line=143
+  bc=3 line=144
+  bc=6 line=145
 00 LOAD_CONST_NONE
 01 YIELD_VALUE
 02 POP_TOP
@@ -338,7 +423,7 @@ arg names:
 (N_STATE 1)
 (N_EXC_STACK 0)
   bc=-1 line=1
-  bc=13 line=135
+  bc=13 line=149
 00 LOAD_NAME __name__ (cache=0)
 04 STORE_NAME __module__
 07 LOAD_CONST_STRING 'Class'
@@ -411,7 +496,7 @@ arg names: *
 (N_EXC_STACK 0)
   bc=-\\d\+ line=1
 ########
-  bc=\\d\+ line=105
+  bc=\\d\+ line=113
 00 LOAD_DEREF 0
 02 LOAD_CONST_SMALL_INT 1
 03 BINARY_OP 5 __add__
@@ -430,7 +515,7 @@ arg names: * b
 (N_EXC_STACK 0)
   bc=-\\d\+ line=1
 ########
-  bc=\\d\+ line=125
+  bc=\\d\+ line=139
 00 LOAD_FAST 1
 01 LOAD_DEREF 0
 03 BINARY_OP 5 __add__