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#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <ctype.h>
#include "global.h"
extern bool quiet;
class ncci * ncc;
//
int* CODE;
int C_Ntok;
char** C_Syms;
int C_Nsyms;
char** C_Strings;
int C_Nstrings;
cfile_i* C_Files;
int C_Nfiles;
clines_i* C_Lines;
int C_Nlines;
double* C_Floats;
signed char* C_Chars;
short int* C_Shortints;
long int* C_Ints;
unsigned long* C_Unsigned;
// *********** --------- ***********
struct __builtins__ ccbuiltins;
int syntax_error (int i, char *c)
{
if (c) fprintf (stderr, "ncc-error : %s \n", c);
debug ("syntax error:", i - 25, 50);
exit (1);
}
int syntax_error (char *a1, char *a2)
{
fprintf (stderr, "ncc-error: %s %s\n", a1, a2);
exit (1);
}
int syntax_error (int i, char *p, char *t)
{
fprintf (stderr, "ncc-error %s --> [%s]\n", p, t);
debug ("syntax error:", i - 25, 50);
exit (1);
}
static int nhe = 0;
void half_error (char *m1, char *m2)
{
#define STDDBG stderr
if (m2) fprintf (STDDBG, "%s %s\n", m1, m2);
else fprintf (STDDBG, "%s\n", m1);
debug ("expression ncc-error:", ExpressionPtr - 15, 30);
if (halt_on_error) { *(int*)0=0; }
if (no_error)
report_error ();
else if (nhe++ > 20)
syntax_error ("Maximum number of errors", "aborted");
throw EXPR_ERROR ();
}
void warning (char *m1, char m2)
{
if (m2) fprintf (stderr, "warning:%s %c\n", m1, m2);
else fprintf (stderr, "warning:%s\n", m1);
}
void yylex_open (char *file)
{
fprintf (stderr, "Opening preprocessed file %s\n", file);
load_file C (file);
if (C.success != ZC_OK) {
fprintf (stderr, "Problems opening %s\n", file);
exit (1);
}
yynorm (C.data, C.len);
}
extern void showdb ();
static void set_cwd ()
{
char tmp [512];
if (!getcwd (tmp, 512)) strcpy (tmp, "/TOO_BIG_PATH");
cwd = StrDup (strcat (tmp, "/"));
}
int main (int argc, char **argv)
{
set_cwd ();
// parse options and invoke preprocessor
preproc (argc, argv);
// initialize lexical analyser
prepare ();
// lexical analysis
yylex_open (preprocfile);
// unlink NCC.i if not -ncspp
if (preprocfile == PREPROCESSOR_OUTPUT)
unlink (preprocfile);
// sum up into the big normalized array of tokens
make_norm ();
// strings are in the symbol table, so look for ncc keys
ncc_keys ();
// initialize syntactical analyser database
init_cdb ();
// syntactical analysis
parse_C ();
// object file useless ?
if (nhe && !no_error) syntax_error ("Compilation errors", "in expressions");
// final stuff
ncc->finir ();
// file-as-function calling functions defined in this file
if (usage_only) functions_of_file ();
// report structure declaration locations
if (usage_only && report_structs) structs_of_file ();
// print out what we learned from all this
showdb ();
fprintf (stderr,
quiet ? "%i Tokens, %i symbols, %i expressions\n":
"%i Tokens\n%i symbols\n%i expressions\n",
C_Ntok, C_Nsyms, last_result);
}
char *StrDup (char *c)
{
return strcpy (new char [strlen (c) + 1], c);
}
char *StrDup (char *c, int i)
{
char *d = new char [i + 1];
d [i] = 0;
return strncpy (d, c, i);
}
#ifdef EFENCE
// ###### Electric Fence ######
// These activate efence on our C++ allocations.
// #############################################
void *operator new (size_t s)
{
return malloc (s);
}
void operator delete (void *p)
{
free (p);
}
void *operator new[] (size_t s)
{
return malloc (s);
}
void operator delete[] (void *p)
{
free (p);
}
#endif
#ifdef _POSIX_MAPPED_FILES
load_file::load_file (char *f)
{
data = NULL;
success = ZC_NA;
fd = -1;
struct stat statbuf;
if (stat (f, &statbuf) == -1) return;
len = statbuf.st_size;
if (len == -1 || (fd = open (f, O_RDONLY)) == -1) return;
success = ((data = (char*) mmap (0, len, PROT_READ, MAP_PRIVATE, fd, 0))
!= MAP_FAILED) ? ZC_OK : ZC_FF;
}
load_file::~load_file ()
{
if (data && data != MAP_FAILED) munmap (data, len);
if (fd != -1) close (fd);
}
#else
load_file::load_file (char *f)
{
data = NULL;
success = ZC_NA;
fd = -1;
struct stat statbuf;
if (stat (f, &statbuf) == -1) return;
len = statbuf.st_size;
if (len == -1 || (fd = open (f, O_RDONLY)) == -1) return;
data = (char*) malloc (len);
success = (len = read (fd, data, len)) != -1 ? ZC_OK : ZC_FF;
}
load_file::~load_file ()
{
if (data) free (data);
if (fd != -1) close (fd);
}
#endif
//***********************************************************************
// definitions
//***********************************************************************
void intcpycat (int *d, const int *s1, const int *s2)
{
while ((*d++ = *s1++) != -1);
d -= 1;
while ((*d++ = *s2++) != -1);
}
int *intdup (int *i)
{
int *r = new int [intlen (i) + 1];
intcpy (r, i);
return r;
}
int intcmp (int *x, int *y)
{
while (*x == *y && *x != -1) x++, y++;
return (*x < *y) ? -1 : (*x == *y) ? 0 : 1;
}
void intncpy (int *d, int *s, int l)
{
while (l--) *d++ = *s++;
}
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