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indent + EOF work in progress

This commit is contained in:
Vítor Santos Costa 2015-07-06 11:49:56 +01:00
parent f5b50a4179
commit 4c56769210
1 changed files with 1218 additions and 1198 deletions
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64
C/scanner.c
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@ -453,7 +453,7 @@ Yap_setCurrentSourceLocation( struct stream_desc *s )
else else
LOCAL_SourceFileName = s->name; LOCAL_SourceFileName = s->name;
LOCAL_SourceFileLineno = s->linecount; LOCAL_SourceFileLineno = s->linecount;
} }
/* token table with some help from Richard O'Keefe's PD scanner */ /* token table with some help from Richard O'Keefe's PD scanner */
static char chtype0[NUMBER_OF_CHARS + 1] = { static char chtype0[NUMBER_OF_CHARS + 1] = {
@ -502,7 +502,7 @@ static char chtype0[NUMBER_OF_CHARS + 1] = {
BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS,
BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS, BS,
/*   ¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯ */ /* ¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯ */
BS, SY, SY, SY, SY, SY, SY, SY, SY, BS, SY, SY, SY, SY, SY, SY, SY, SY,
SY, LC, SY, SY, SY, SY, SY, SY, LC, SY, SY, SY, SY, SY,
@ -514,27 +514,27 @@ static char chtype0[NUMBER_OF_CHARS + 1] = {
UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC,
UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC,
/* Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß */ /* Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß */
#ifdef vms #ifdef vms
UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC, UC,
UC, UC, UC, UC, UC, UC, LC, UC, UC, UC, UC, UC, UC, LC,
#else #else
UC, UC, UC, UC, UC, UC, UC, SY, UC, UC, UC, UC, UC, UC, UC, UC, SY, UC,
UC, UC, UC, UC, UC, UC, LC, UC, UC, UC, UC, UC, UC, LC,
#endif #endif
/* à á â ã ä å æ ç è é ê ë ì í î ï */ /* à á â ã ä å æ ç è é ê ë ì í î ï */
LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC,
LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC,
/* ð ñ ò ó ô õ ö ÷ ø ù ú û ü cannot write the last /* ð ñ ò ó ô õ ö ÷ ø ù ú û ü cannot write the last
* three because of lcc */ * three because of lcc */
#ifdef vms #ifdef vms
LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC, LC,
LC, LC, LC, LC, LC, LC, LC LC, LC, LC, LC, LC, LC, LC
#else #else
LC, LC, LC, LC, LC, LC, LC, SY, LC, LC, LC, LC, LC, LC, LC, LC, SY, LC,
LC, LC, LC, LC, LC, LC, LC LC, LC, LC, LC, LC, LC, LC
#endif #endif
}; };
char *Yap_chtype = chtype0 + 1; char *Yap_chtype = chtype0 + 1;
@ -680,7 +680,7 @@ static int send_error_message(char s[]) {
static wchar_t read_quoted_char(int *scan_nextp, struct stream_desc* inp_stream) { static wchar_t read_quoted_char(int *scan_nextp, struct stream_desc* inp_stream) {
int ch; int ch;
/* escape sequence */ /* escape sequence */
do_switch: do_switch:
ch = getchrq(inp_stream); ch = getchrq(inp_stream);
switch (ch) { switch (ch) {
@ -1174,6 +1174,14 @@ static void close_comment(USES_REGS1) {
LOCAL_CommentsBuffLim = 0; LOCAL_CommentsBuffLim = 0;
} }
// mark that we reached EOF,
// next token will be end_of_file)
static void
mark_eof( struct stream_desc * inp_stream )
{
inp_stream->status |= Push_Eof_Stream_f;
}
static wchar_t *ch_to_wide(char *base, char *charp) { static wchar_t *ch_to_wide(char *base, char *charp) {
CACHE_REGS CACHE_REGS
int n = charp - base, i; int n = charp - base, i;
@ -1213,7 +1221,7 @@ static wchar_t *ch_to_wide(char *base, char *charp) {
} }
#define add_ch_to_utf8_buff(ch) \ #define add_ch_to_utf8_buff(ch) \
{ \ { \
if ((ch & 0xff) == ch) { \ if ((ch & 0xff) == ch) { \
*charp++ = ch; \ *charp++ = ch; \
} else { \ } else { \
@ -1269,7 +1277,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
else else
p->TokNext = t; p->TokNext = t;
p = t; p = t;
restart: restart:
while (chtype(ch) == BS) { while (chtype(ch) == BS) {
ch = getchr(inp_stream); ch = getchr(inp_stream);
} }
@ -1281,7 +1289,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
if (store_comments) { if (store_comments) {
CHECK_SPACE(); CHECK_SPACE();
open_comment(ch, inp_stream PASS_REGS); open_comment(ch, inp_stream PASS_REGS);
continue_comment: continue_comment:
while ((ch = getchr(inp_stream)) != 10 && chtype(ch) != EF) { while ((ch = getchr(inp_stream)) != 10 && chtype(ch) != EF) {
CHECK_SPACE(); CHECK_SPACE();
extend_comment(ch PASS_REGS); extend_comment(ch PASS_REGS);
@ -1314,6 +1322,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
goto restart; goto restart;
} else { } else {
t->Tok = Ord(kind = eot_tok); t->Tok = Ord(kind = eot_tok);
mark_eof(inp_stream);
} }
break; break;
@ -1322,7 +1331,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
case LC: case LC:
och = ch; och = ch;
ch = getchr(inp_stream); ch = getchr(inp_stream);
scan_name: scan_name:
TokImage = ((AtomEntry *)(Yap_PreAllocCodeSpace()))->StrOfAE; TokImage = ((AtomEntry *)(Yap_PreAllocCodeSpace()))->StrOfAE;
charp = TokImage; charp = TokImage;
wcharp = NULL; wcharp = NULL;
@ -1330,7 +1339,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
add_ch_to_buff(och); add_ch_to_buff(och);
for (; chtype(ch) <= NU; ch = getchr(inp_stream)) { for (; chtype(ch) <= NU; ch = getchr(inp_stream)) {
if (charp == (char *)AuxSp - 1024) { if (charp == (char *)AuxSp - 1024) {
huge_var_error: huge_var_error:
/* huge atom or variable, we are in trouble */ /* huge atom or variable, we are in trouble */
LOCAL_ErrorMessage = "Code Space Overflow due to huge atom"; LOCAL_ErrorMessage = "Code Space Overflow due to huge atom";
LOCAL_Error_TYPE = OUT_OF_AUXSPACE_ERROR; LOCAL_Error_TYPE = OUT_OF_AUXSPACE_ERROR;
@ -1495,7 +1504,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
case QT: case QT:
case DC: case DC:
quoted_string: quoted_string:
TokImage = ((AtomEntry *)(Yap_PreAllocCodeSpace()))->StrOfAE; TokImage = ((AtomEntry *)(Yap_PreAllocCodeSpace()))->StrOfAE;
charp = TokImage; charp = TokImage;
quote = ch; quote = ch;
@ -1532,6 +1541,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
} }
} else if (chtype(ch) == EF && ch <= MAX_ISO_LATIN1) { } else if (chtype(ch) == EF && ch <= MAX_ISO_LATIN1) {
Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage); Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage);
mark_eof(inp_stream);
t->Tok = Ord(kind = eot_tok); t->Tok = Ord(kind = eot_tok);
break; break;
} else { } else {
@ -1594,13 +1604,17 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
return l; return l;
} }
if (wcharp) { if (wcharp) {
utf8_wcscpy(mp, (const wchar_t *)TokImage); wcscpy((wchar_t *)mp, (wchar_t *)TokImage);
} else { } else {
strcpy(mp, TokImage); strcpy(mp, TokImage);
} }
t->TokInfo = Unsigned(mp); t->TokInfo = Unsigned(mp);
Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage); Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage);
t->Tok = Ord(kind = StringTerm_tok); if (wcharp) {
t->Tok = Ord(kind = WBQString_tok);
} else {
t->Tok = Ord(kind = BQString_tok);
}
} else { } else {
if (wcharp) { if (wcharp) {
t->TokInfo = Unsigned(Yap_LookupWideAtom((wchar_t *)TokImage)); t->TokInfo = Unsigned(Yap_LookupWideAtom((wchar_t *)TokImage));
@ -1618,12 +1632,12 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage); Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage);
t->Tok = Ord(kind = Name_tok); t->Tok = Ord(kind = Name_tok);
if (ch == '(') if (ch == '(')
solo_flag = FALSE; solo_flag = false;
} }
break; break;
case SY: case SY:
if (ch == '`' && trueGlobalPrologFlag(BACKQUOTED_STRING_FLAG)) if (ch == '`')
goto quoted_string; goto quoted_string;
och = ch; och = ch;
ch = getchr(inp_stream); ch = getchr(inp_stream);
@ -1650,6 +1664,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
} }
if (chtype(ch) == EF) { if (chtype(ch) == EF) {
t->Tok = Ord(kind = eot_tok); t->Tok = Ord(kind = eot_tok);
break;
} else { } else {
/* leave comments */ /* leave comments */
ch = getchr(inp_stream); ch = getchr(inp_stream);
@ -1665,13 +1680,16 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
} }
goto restart; goto restart;
} }
enter_symbol: enter_symbol:
if (och == '.' && if (och == '.' &&
(chtype(ch) == BS || chtype(ch) == EF || chtype(ch) == CC)) { (chtype(ch) == BS || chtype(ch) == EF || chtype(ch) == CC)) {
if (chtype(ch) == CC) if (chtype(ch) == CC)
while ((ch = getchr(inp_stream)) != 10 && chtype(ch) != EF) while ((ch = getchr(inp_stream)) != 10 && chtype(ch) != EF)
; ;
t->Tok = Ord(kind = eot_tok); t->Tok = Ord(kind = eot_tok);
if (chtype(chtype(ch)) == EF)
mark_eof(inp_stream);
break;
} else { } else {
Atom ae; Atom ae;
TokImage = ((AtomEntry *)(Yap_PreAllocCodeSpace()))->StrOfAE; TokImage = ((AtomEntry *)(Yap_PreAllocCodeSpace()))->StrOfAE;
@ -1847,6 +1865,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
} }
} else if (chtype(ch) == EF) { } else if (chtype(ch) == EF) {
Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage); Yap_ReleasePreAllocCodeSpace((CODEADDR)TokImage);
mark_eof(inp_stream);
t->Tok = Ord(kind = eot_tok); t->Tok = Ord(kind = eot_tok);
break; break;
} else { } else {
@ -1899,6 +1918,7 @@ TokEntry *Yap_tokenizer( struct stream_desc *inp_stream,
t->Tok = Ord(kind = Ponctuation_tok); t->Tok = Ord(kind = Ponctuation_tok);
break; break;
case EF: case EF:
mark_eof(inp_stream);
t->Tok = Ord(kind = eot_tok); t->Tok = Ord(kind = eot_tok);
break; break;