#include "constants.h"
#include "utils.h"
-#define PARSER_VERSION "1.3-???"
-
tree root; /* The root of the built syntax tree. */
list Lnil;
BOOLEAN nonstandardFlag = FALSE; /* Set if non-std Haskell extensions to be used. */
-BOOLEAN acceptPrim = FALSE; /* Set if Int#, etc., may be used */
-BOOLEAN haskell1_2Flag = FALSE; /* Set if we are compiling for 1.2 */
BOOLEAN etags = FALSE; /* Set if we're parsing only to produce tags. */
BOOLEAN hashIds = FALSE; /* Set if Identifiers should be hashed. */
BOOLEAN ignoreSCC = TRUE; /* Set if we ignore/filter scc expressions. */
+BOOLEAN warnSCC = FALSE; /* Set if we want to inform the user what _scc_s are
+ being ignored. */
-BOOLEAN implicitPrelude = TRUE; /* Set if we implicitly import the Prelude. */
-BOOLEAN ignorePragmas = FALSE; /* Set if we want to ignore pragmas */
-
-/* From time to time, the format of interface files may change.
-
- So that we don't get gratuitous syntax errors or silently slurp in
- junk info, two things: (a) the compiler injects a "this is a
- version N interface":
-
- {-# GHC_PRAGMA INTERFACE VERSION <n> #-}
-
- (b) this parser has a "minimum acceptable version", below which it
- refuses to parse the pragmas (it just considers them as comments).
- It also has a "maximum acceptable version", above which...
-
- The minimum is so a new parser won't try to grok overly-old
- interfaces; the maximum (usually the current version number when
- the parser was released) is so an old parser will not try to grok
- since-upgraded interfaces.
-
- If an interface has no INTERFACE VERSION line, it is taken to be
- version 0.
-*/
-int minAcceptablePragmaVersion = 7; /* 1.3-xx ONLY */
-int maxAcceptablePragmaVersion = 7; /* 1.3-xx+ */
-int thisIfacePragmaVersion = 0;
-
-char *input_file_dir; /* The directory where the input file is. */
-
-char HiSuffix[64] = ".hi"; /* can be changed with -h flag */
-char PreludeHiSuffix[64] = ".hi"; /* can be changed with -g flag */
-
-static BOOLEAN verbose = FALSE; /* Set for verbose messages. */
-
-/* Forward decls */
-static void who_am_i PROTO((void));
-
/**********************************************************************
* *
* *
{
BOOLEAN keep_munging_option = FALSE;
- imports_dirlist = mklnil();
- sys_imports_dirlist = mklnil();
-
- argc--, argv++;
-
while (argc > 0 && argv[0][0] == '-') {
keep_munging_option = TRUE;
while (keep_munging_option && *++*argv != '\0') {
switch(**argv) {
- /* -I dir */
- case 'I':
- imports_dirlist = lapp(imports_dirlist,*argv+1);
- keep_munging_option = FALSE;
- break;
-
- /* -J dir (for system imports) */
- case 'J':
- sys_imports_dirlist = lapp(sys_imports_dirlist,*argv+1);
- keep_munging_option = FALSE;
- break;
-
- case 'g':
- strcpy(PreludeHiSuffix, *argv+1);
- keep_munging_option = FALSE;
- break;
-
- case 'h':
- strcpy(HiSuffix, *argv+1);
- keep_munging_option = FALSE;
- break;
-
- case 'v':
- who_am_i(); /* identify myself */
- verbose = TRUE;
- break;
-
- case 'N':
- nonstandardFlag = TRUE;
- acceptPrim = TRUE;
- break;
-
- case '2':
- haskell1_2Flag = TRUE;
- break;
-
- case 'S':
- ignoreSCC = FALSE;
- break;
-
- case 'p':
- ignorePragmas = TRUE;
- break;
-
- case 'P':
- implicitPrelude = FALSE;
- break;
-
case 'D':
#ifdef HSP_DEBUG
{ extern int yydebug;
#endif
break;
+ case 'E':
+ etags = TRUE;
+ break;
+
/* -Hn -- Use Hash Table, Size n (if given) */
case 'H':
hashIds = TRUE;
if(*(*argv+1)!= '\0')
hash_table_size = atoi(*argv+1);
break;
- case 'E':
- etags = TRUE;
+ case 'N':
+ nonstandardFlag = TRUE;
+ break;
+
+ case 'S':
+ ignoreSCC = FALSE;
+ break;
+
+ case 'W':
+ warnSCC = TRUE;
break;
+
}
}
argc--, argv++;
fprintf(stderr, "Cannot open %s.\n", argv[1]);
exit(1);
}
-
-
- /* By default, imports come from the directory of the source file */
- if ( argc >= 1 )
- {
- char *endchar;
-
- input_file_dir = xmalloc (strlen(argv[0]) + 1);
- strcpy(input_file_dir, argv[0]);
-#ifdef macintosh
- endchar = rindex(input_file_dir, (int) ':');
-#else
- endchar = rindex(input_file_dir, (int) '/');
-#endif /* ! macintosh */
-
- if ( endchar == NULL )
- {
- free(input_file_dir);
- input_file_dir = ".";
- }
- else
- *endchar = '\0';
- }
-
- /* No input file -- imports come from the current directory first */
- else
- input_file_dir = ".";
-
- imports_dirlist = mklcons( input_file_dir, imports_dirlist );
-
- if (verbose)
- {
- fprintf(stderr,"Hash Table Contains %d entries\n",hash_table_size);
- if(acceptPrim)
- fprintf(stderr,"Allowing special syntax for Unboxed Values\n");
- }
}
void
exit(1);
}
-static void
-who_am_i(void)
-{
- fprintf(stderr,"Glasgow Haskell parser, version %s\n", PARSER_VERSION);
-}
-
+/* lconc l1 l2 appends l2 to the end of l1 */
list
lconc(l1, l2)
list l1;
return(l1);
}
+/* lapp( l, x ) appends [x] to the end of list l */
list
lapp(list l1, VOID_STAR l2)
{
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