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-fdollar-in-identifiers addon

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* disable a -fdollar-in-identifiers option in assembler files
    * a test is added

    This is a patch addon from Daniel Holden.
This commit is contained in:
seyko 2015-04-20 03:44:08 +03:00
parent 9336fa7ae5
commit 5ce2154c74
4 changed files with 21 additions and 13 deletions
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2
tccasm.c
View File

@ -747,7 +747,7 @@ static int tcc_assemble_internal(TCCState *s1, int do_preprocess)
ch = file->buf_ptr[0];
tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
parse_flags = PARSE_FLAG_ASM_COMMENTS;
parse_flags = PARSE_FLAG_ASM_COMMENTS | PARSE_FLAG_ASM_FILE;
if (do_preprocess)
parse_flags |= PARSE_FLAG_PREPROCESS;
next();

18
tccpp.c
View File

@ -2313,9 +2313,11 @@ maybe_newline:
}
break;
/* treat $ as allowed char in indentifier */
case '$': if (!tcc_state->dollars_in_identifiers) goto parse_simple;
/* dollar is allowed to start identifiers when not parsing asm */
case '$':
if (!tcc_state->dollars_in_identifiers
|| (parse_flags & PARSE_FLAG_ASM_FILE)) goto parse_simple;
case 'a': case 'b': case 'c': case 'd':
case 'e': case 'f': case 'g': case 'h':
case 'i': case 'j': case 'k': case 'l':
@ -2338,7 +2340,8 @@ maybe_newline:
p++;
for(;;) {
c = *p;
if (!isidnum_table[c-CH_EOF])
if (!isidnum_table[c-CH_EOF]
&& (tcc_state->dollars_in_identifiers ? (c != '$') : 1))
break;
h = TOK_HASH_FUNC(h, c);
p++;
@ -2373,7 +2376,8 @@ maybe_newline:
p--;
PEEKC(c, p);
parse_ident_slow:
while (isidnum_table[c-CH_EOF]) {
while (isidnum_table[c-CH_EOF]
|| (tcc_state->dollars_in_identifiers ? (c == '$') : 0)) {
cstr_ccat(&tokcstr, c);
PEEKC(c, p);
}
@ -3202,9 +3206,9 @@ ST_FUNC void preprocess_new(void)
const char *p, *r;
/* init isid table */
for(i=CH_EOF;i<256;i++)
isidnum_table[i-CH_EOF] = (isid(i) || isnum(i) ||
(tcc_state->dollars_in_identifiers ? i == '$' : 0));
isidnum_table[i-CH_EOF] = isid(i) || isnum(i);
/* add all tokens */
if (table_ident) {

2
tests/Makefile
View File

@ -199,7 +199,7 @@ ex%: $(top_srcdir)/examples/ex%.c
# tiny assembler testing
asmtest.ref: asmtest.S
$(CC) -Wa,-W -o asmtest.ref.o -c asmtest.S
$(CC) -m32 -Wa,-W -o asmtest.ref.o -c asmtest.S
objdump -D asmtest.ref.o > asmtest.ref
asmtest: asmtest.ref

12
tests/tests2/Makefile
View File

@ -94,8 +94,8 @@ TESTS = \
72_long_long_constant.test \
73_arm64.test \
74_nocode_wanted.test \
75_array_in_struct_init.test
75_array_in_struct_init.test \
76_dollars_in_identifiers.test
# 34_array_assignment.test -- array assignment is not in C standard
@ -121,15 +121,19 @@ ARGS =
31_args.test : ARGS = arg1 arg2 arg3 arg4 arg5
46_grep.test : ARGS = '[^* ]*[:a:d: ]+\:\*-/: $$' 46_grep.c
# Some tests might need different flags
FLAGS =
76_dollars_in_identifiers.test : FLAGS = -fdollars-in-identifiers
all test: $(filter-out $(SKIP),$(TESTS))
%.test: %.c
@echo Test: $*...
@$(TCC) -run $< $(ARGS) 2>&1 | grep -v 'warning: soft float ABI currently not supported: default to softfp' >$*.output || true
@$(TCC) -run $(FLAGS) $< $(ARGS) 2>&1 | grep -v 'warning: soft float ABI currently not supported: default to softfp' >$*.output || true
@diff -Nbu $*.expect $*.output && rm -f $*.output
@($(TCC) $< -o $*.exe && ./$*.exe $(ARGS)) 2>&1 | grep -v 'warning: soft float ABI currently not supported: default to softfp' >$*.output2 || true
@($(TCC) $(FLAGS) $< -o $*.exe && ./$*.exe $(ARGS)) 2>&1 | grep -v 'warning: soft float ABI currently not supported: default to softfp' >$*.output2 || true
@diff -Nbu $*.expect $*.output2 && rm -f $*.output2 $*.exe
clean: