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tcc -dt -run ... : simpler is better

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* -dt now with lowercase t

* test snippets now separated by real preprocessor statements
  which is valid C also for other compilers

    #if defined test_xxx
       < test snippet x >
    #elif defined test_yyy
       < test snippet y >
    #elif ...
    #endif

* simpler implementation, behaves like -run if no 'test_...' macros
  are seen, works with -E too

* for demonstration I combined some of the small tests for errors
  and warnings (56..63,74) in "60_errors_and_warnings.c"

Also:
* libtcc.c:
  put tcc_preprocess() and tcc_assemble() under the setjmp clause
  to let them return to caller after errors.  This is for -dt -E.
* tccgen.c:
  - get rid of save/restore_parse_state(), macro_ptr is saved
    by begin_macro anyway, now line_num too.
  - use expr_eq for parsing _Generic's controlling_type
  - set nocode_wanted with const_wanted. too, This is to keep
    VT_JMP on vtop when parsing preprocessor expressions.
* tccpp.c: tcc -E: suppress trailing whitespace from lines with
  comments (that -E removes) such as
       NO_GOTPLT_ENTRY,\t    /* never generate ... */
This commit is contained in:
grischka
2017-07-20 22:21:27 +02:00
parent ba2b25e4ea
commit 0cc24d0e84
31 changed files with 323 additions and 446 deletions
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11
tests/tests2/Makefile
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@@ -20,7 +20,7 @@ endif
ifeq (,$(filter i386 x86_64,$(ARCH)))
SKIP += 85_asm-outside-function.test
endif
ifeq (-$(findstring gcc,$(CC)-)-,--)
ifeq (-$(findstring gcc,$(CC))-,--)
SKIP += $(patsubst %.expect,%.test,$(GEN-ALWAYS))
endif
ifeq (-$(CONFIG_WIN32)-$(CONFIG_i386)$(CONFIG_arm)-,--yes-)
@@ -40,8 +40,9 @@ NORUN =
FLAGS =
76_dollars_in_identifiers.test : FLAGS += -fdollars-in-identifiers
# run the source file cut into snippets
96_nodata_wanted.test : FLAGS = -dT
# These tests run several snippets from the same file one by one
60_errors_and_warnings.test : FLAGS += -dt
96_nodata_wanted.test : FLAGS += -dt
# Always generate certain .expects (don't put these in the GIT),
GEN-ALWAYS =
@@ -90,8 +91,8 @@ F2 = $1 UPDATE="$(patsubst %.test,%.expect,$1)"
@$(call GEN,$(SRC)/$*.c) $(FILTER) >$@ 2>&1
@rm -f *.exe *.obj *.pdb
# using TCC for .expect if -dT in FLAGS
GEN = $(if $(findstring -dT,$(FLAGS)),$(GEN-TCC),$(GEN-CC))
# using TCC for .expect if -dt in FLAGS
GEN = $(if $(filter -dt,$(FLAGS)),$(GEN-TCC),$(GEN-CC))
GEN-CC = $(CC) -w -std=gnu99 $(FLAGS) $1 -o a.exe && ./a.exe $(ARGS)
GEN-TCC = $(TCC) $(FLAGS) -run $1 $(ARGS)
GEN-MSC = $(MS-CC) $1 && ./$(basename $@).exe