&& getc (finput) == 'a'
&& ((c = getc (finput)) == ' ' || c == '\t' || c == '\n'))
{
+ while (c == ' ' || c == '\t')
+ c = getc (finput);
+ if (c == '\n')
+ return c;
#ifdef HANDLE_SYSV_PRAGMA
- return handle_sysv_pragma (finput, c);
+ ungetc (c, finput);
+ token = yylex ();
+ if (token != IDENTIFIER)
+ goto skipline;
+ return handle_sysv_pragma (finput, token);
#else /* !HANDLE_SYSV_PRAGMA */
#ifdef HANDLE_PRAGMA
- HANDLE_PRAGMA (finput, c);
+ ungetc (c, finput);
+ token = yylex ();
+ if (token != IDENTIFIER)
+ goto skipline;
+ if (HANDLE_PRAGMA (finput, yylval.ttype))
+ {
+ c = getc (finput);
+ return c;
+ }
#endif /* HANDLE_PRAGMA */
- goto skipline;
#endif /* !HANDLE_SYSV_PRAGMA */
+ goto skipline;
}
}
&& getc (finput) == 'e'
&& ((c = getc (finput)) == ' ' || c == '\t' || c == '\n'))
{
-#ifdef DWARF_DEBUGGING_INFO
- if (c != '\n'
- && (debug_info_level == DINFO_LEVEL_VERBOSE)
- && (write_symbols == DWARF_DEBUG))
- dwarfout_define (lineno, get_directive_line (finput));
-#endif /* DWARF_DEBUGGING_INFO */
+ if (c != '\n')
+ debug_define (lineno, get_directive_line (finput));
goto skipline;
}
}
&& getc (finput) == 'f'
&& ((c = getc (finput)) == ' ' || c == '\t' || c == '\n'))
{
-#ifdef DWARF_DEBUGGING_INFO
- if (c != '\n'
- && (debug_info_level == DINFO_LEVEL_VERBOSE)
- && (write_symbols == DWARF_DEBUG))
- dwarfout_undef (lineno, get_directive_line (finput));
-#endif /* DWARF_DEBUGGING_INFO */
+ if (c != '\n')
+ debug_undef (lineno, get_directive_line (finput));
goto skipline;
}
}
p->name = input_filename;
input_file_stack = p;
input_file_stack_tick++;
-#ifdef DBX_DEBUGGING_INFO
- if (write_symbols == DBX_DEBUG)
- dbxout_start_new_source_file (input_filename);
-#endif
-#ifdef DWARF_DEBUGGING_INFO
- if (debug_info_level == DINFO_LEVEL_VERBOSE
- && write_symbols == DWARF_DEBUG)
- dwarfout_start_new_source_file (input_filename);
-#endif /* DWARF_DEBUGGING_INFO */
-
+ debug_start_source_file (input_filename);
used_up = 1;
}
else if (TREE_INT_CST_LOW (yylval.ttype) == 2)
input_file_stack = p->next;
free (p);
input_file_stack_tick++;
-#ifdef DBX_DEBUGGING_INFO
- if (write_symbols == DBX_DEBUG)
- dbxout_resume_previous_source_file ();
-#endif
-#ifdef DWARF_DEBUGGING_INFO
- if (debug_info_level == DINFO_LEVEL_VERBOSE
- && write_symbols == DWARF_DEBUG)
- dwarfout_resume_previous_source_file (input_file_stack->line);
-#endif /* DWARF_DEBUGGING_INFO */
+ debug_end_source_file (input_file_stack->line);
}
else
error ("#-lines for entering and leaving files don't match");
#ifdef HANDLE_SYSV_PRAGMA
/* Handle a #pragma directive. INPUT is the current input stream,
- and C is a character to reread. Processes the entire input line
- and returns a character for the caller to reread: either \n or EOF. */
+ and TOKEN is the token we read after `#pragma'. Processes the entire input
+ line and returns a character for the caller to reread: either \n or EOF. */
/* This function has to be in this file, in order to get at
the token types. */
int
-handle_sysv_pragma (input, c)
+handle_sysv_pragma (input, token)
FILE *input;
- int c;
+ register int token;
{
+ register int c;
+
for (;;)
{
- while (c == ' ' || c == '\t')
- c = getc (input);
- if (c == '\n' || c == EOF)
- {
- handle_pragma_token (0, 0);
- return c;
- }
- ungetc (c, input);
- switch (yylex ())
+ switch (token)
{
case IDENTIFIER:
case TYPENAME:
default:
handle_pragma_token (token_buffer, 0);
}
+
if (nextchar >= 0)
c = nextchar, nextchar = -1;
else
c = getc (input);
+
+ while (c == ' ' || c == '\t')
+ c = getc (input);
+ if (c == '\n' || c == EOF)
+ {
+ handle_pragma_token (0, 0);
+ return c;
+ }
+ ungetc (c, input);
+ token = yylex ();
}
}
value = ENDFILE;
break;
- case '$':
- if (dollars_in_ident)
- goto letter;
- return '$';
-
case 'L':
/* Capital L may start a wide-string or wide-character constant. */
{
case 'u': case 'v': case 'w': case 'x': case 'y':
case 'z':
case '_':
+ case '$':
letter:
p = token_buffer;
while (isalnum (c) || c == '_' || c == '$' || c == '@')
/* Make sure this char really belongs in an identifier. */
if (c == '@' && ! doing_objc_thang)
break;
- if (c == '$' && ! dollars_in_ident)
- break;
+ if (c == '$')
+ {
+ if (! dollars_in_ident)
+ error ("`$' in identifier");
+ else if (pedantic)
+ pedwarn ("`$' in identifier");
+ }
if (p >= token_buffer + maxtoken)
p = extend_token_buffer (p);
break;
- case '0': case '1': case '2': case '3': case '4':
+ case '0': case '1':
+ {
+ int next_c;
+ /* Check first for common special case: single-digit 0 or 1. */
+
+ next_c = getc (finput);
+ ungetc (next_c, finput); /* Always undo this lookahead. */
+ if (!isalnum (next_c) && next_c != '.')
+ {
+ token_buffer[0] = (char)c, token_buffer[1] = '\0';
+ yylval.ttype = (c == '0') ? integer_zero_node : integer_one_node;
+ value = CONSTANT;
+ break;
+ }
+ /*FALLTHRU*/
+ }
+ case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case '.':
{
/* Create a node with determined type and value. */
if (imag)
- yylval.ttype = build_complex (convert (type, integer_zero_node),
+ yylval.ttype = build_complex (NULL_TREE,
+ convert (type, integer_zero_node),
build_real (type, value));
else
yylval.ttype = build_real (type, value);
if (TYPE_PRECISION (type)
<= TYPE_PRECISION (integer_type_node))
yylval.ttype
- = build_complex (integer_zero_node,
- convert (integer_type_node, yylval.ttype));
+ = build_complex (NULL_TREE, integer_zero_node,
+ convert (integer_type_node,
+ yylval.ttype));
else
error ("complex integer constant is too wide for `complex int'");
}
ungetc (c, finput);
*p = 0;
- if (isalnum (c) || c == '.' || c == '_'
+ if (isalnum (c) || c == '.' || c == '_' || c == '$'
|| (!flag_traditional && (c == '-' || c == '+')
&& (p[-1] == 'e' || p[-1] == 'E')))
error ("missing white space after number `%s'", token_buffer);
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