forked from osmocom/wireshark
b19bed43d1
The strategy here is to delay resolving literals to values until
we have looked at the entire argument list.
Also we will try to commute the relation in a comparison if
we do not have a type for the return value of the function,
like any other constant.
Before:
Filter: max(1,_ws.ftypes.int8) == 1
dftest: Argument '1' is not valid for max()
max(1,_ws.ftypes.int8) == 1
^
After:
Filter: max(1,_ws.ftypes.int8) == 1
Syntax tree:
0 TEST_ANY_EQ:
1 FUNCTION(max#2):
2 FVALUE(1 <FT_INT8>)
2 FIELD(_ws.ftypes.int8 <FT_INT8>)
1 FVALUE(1 <FT_INT8>)
Instructions:
00000 STACK_PUSH 1 <FT_INT8>
00001 READ_TREE _ws.ftypes.int8 <FT_INT8> -> reg#1
00002 IF_FALSE_GOTO 3
00003 STACK_PUSH reg#1
00004 CALL_FUNCTION max(reg#1, 1 <FT_INT8>) -> reg#0
00005 STACK_POP 2
00006 IF_FALSE_GOTO 8
00007 ANY_EQ reg#0 == 1 <FT_INT8>
00008 RETURN
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|---|---|---|
| .. | ||
| .editorconfig | ||
| CMakeLists.txt | ||
| dfilter-int.h | ||
| dfilter-loc.h | ||
| dfilter-macro.c | ||
| dfilter-macro.h | ||
| dfilter.c | ||
| dfilter.h | ||
| dfunctions.c | ||
| dfunctions.h | ||
| dfvm.c | ||
| dfvm.h | ||
| drange.c | ||
| drange.h | ||
| gencode.c | ||
| gencode.h | ||
| grammar.lemon | ||
| scanner.l | ||
| semcheck.c | ||
| semcheck.h | ||
| sttype-field.c | ||
| sttype-field.h | ||
| sttype-function.c | ||
| sttype-function.h | ||
| sttype-op.c | ||
| sttype-op.h | ||
| sttype-pointer.c | ||
| sttype-pointer.h | ||
| sttype-set.c | ||
| sttype-set.h | ||
| sttype-slice.c | ||
| sttype-slice.h | ||
| sttype-string.c | ||
| syntax-tree.c | ||
| syntax-tree.h | ||