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we_progn.c
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/* we_progn.c */
/* Copyright (C) 1993 Fred Kruse */
/* This is free software; you can redistribute it and/or */
/* modify it under the terms of the */
/* GNU General Public License, see the file COPYING. */
#include "messages.h"
#include "edit.h"
#include "WeExpArr.h"
#undef TESTSDEF
#ifdef PROG
#include "makro.h"
extern struct dirfile *e_p_get_var(char *string);
extern char *e_p_msg[];
#define FRB1 s->fb->cr.fb /* key words etc */
#define FRB2 s->fb->ck.fb /* constants */
#define FRB3 s->fb->cp.fb /* pre-processor A. */
#define FRB4 s->fb->cc.fb /* comments */
#define FRB5 s->fb->ct.fb /* text */
#define iscase(s) ( (!strncmp(s, "case", 4) && !isalnum1(*(s+4))) \
|| (!strncmp(s, "default", 7) && !isalnum1(*(s+7))) )
#define isstatus(s) ( !strncmp(s, "private:", 8) || !strncmp(s, "public:", 7) \
|| !strncmp(s, "protected:", 10) )
#define ispif(s) ( !strncmp(s, "#if", 3) || !strncmp(s, "#ifdef", 6) \
|| !strncmp(s, "#ifndef", 7) )
#define ispelse(s) ( !strncmp(s, "#else", 5) || !strncmp(s, "#elif", 5) )
#define ispendif(s) ( !strncmp(s, "#endif", 6) )
#define iscop(c) ( c == '<' || c == '>' || c == '+' || c == '-' || \
c == '/' || c == '*' || c == '%' || c == '=' || \
c == '|' || c == '&' || c == '!' || c == ':' || \
c == '?' || c == '.' )
#define e_mk_col(str, l, n, frb, cs, n_nd, n_bg) \
{ \
if (n < l) \
{ \
if (n == cs->special_column) \
{ \
int ii; \
for (ii = 0; cs->special_comment[ii] && \
cs->special_comment[ii] != toupper(str[n]); ii++) \
; \
if (cs->special_comment[ii]) \
mcsw = 7; \
} \
if (mcsw == 6 && (isalnum(str[n]) || str[n] == '_')) \
frb = FRB1; \
else if(mcsw == 7) frb = FRB4; \
else if(mcsw == 3 && (isalnum(str[n]) || str[n] == '.')) frb = FRB2; \
else if(mcsw == 5) \
{ \
if (str[n] == cs->begin_comment[0]) \
{ \
int jj; \
for (jj = 1; cs->begin_comment[jj] && \
str[n+jj] == cs->begin_comment[jj]; jj++) \
; \
if (!cs->begin_comment[jj]) \
{ mcsw = 4; n_bg = n+jj-1; frb = FRB4; } \
} \
if (mcsw == 5 && str[n] == cs->line_comment[0]) \
{ \
int jj; \
for (jj = 1; cs->line_comment[jj] && \
str[n+jj] == cs->line_comment[jj]; jj++); \
if (!cs->line_comment[jj]) { mcsw = 7; frb = FRB4; } \
} \
if (mcsw == 5) frb = FRB3; \
} \
else if (mcsw == 1) \
{ \
if (str[n] == cs->string_constant && !bssw) mcsw = 0; \
frb = FRB2; \
} \
else if (mcsw == 2) \
{ \
if (str[n] == cs->char_constant && !bssw) mcsw = 0; \
frb = FRB2; \
} \
else if (mcsw == 4) \
{ \
if (n_nd < n-n_bg && str[n] == cs->end_comment[n_nd]) \
{ \
int jj; \
for (jj = 1; jj <= n_nd && n-jj >= 0 && \
str[n-jj] == cs->end_comment[n_nd-jj]; jj++); \
if (jj > n_nd) mcsw = svmsw; \
} \
frb = FRB4; \
} \
else \
{ \
if (n >= cs->comment_column) { mcsw = 7; frb = FRB4; } \
else if (isdigit(str[n])) \
{ \
if (n == 0 || (!isalnum(str[n-1]) && str[n-1] != '_')) \
{ mcsw = 3; frb = FRB2; } \
else frb = FRB5; \
} \
else if (isalpha(str[n])) \
{ \
if(cs->insensitive && (n == 0 || (!isalnum(str[n-1]) && \
str[n-1] != '_'))) \
{ \
int ii, jj; \
int kk = strlen(cs->line_comment); \
if ((WpeStrnccmp(cs->line_comment, str + n, kk) == 0) && \
(!isalnum(str[n +kk])) && (str[n + kk] != '_')) \
{ \
mcsw = 7; \
frb = FRB4; \
} \
else \
{ \
for (ii = 0; cs->reserved_word[ii] && \
cs->reserved_word[ii][0] < toupper(str[n]); \
ii++); \
for ( ; cs->reserved_word[ii] && \
cs->reserved_word[ii][0] == toupper(str[n]); \
ii++) \
{ \
for (jj = 0; cs->reserved_word[ii][jj] && \
cs->reserved_word[ii][jj] == toupper(str[n+jj]); \
jj++); \
if (!cs->reserved_word[ii][jj] && !isalnum(str[n+jj]) && \
str[n+jj] != '_') \
{ mcsw = 6; frb = FRB1; break; } \
} \
} \
} \
else if (!cs->insensitive && (n == 0 || (!isalnum(str[n-1]) && \
str[n-1] != '_'))) \
{ \
int ii, jj; \
int kk = strlen(cs->line_comment); \
if ((strncmp(cs->line_comment, str + n, kk) == 0) && \
(!isalnum(str[n +kk])) && (str[n + kk] != '_')) \
{ \
mcsw = 7; \
frb = FRB4; \
} \
else \
{ \
for (ii = 0; cs->reserved_word[ii] && \
cs->reserved_word[ii][0] < str[n]; ii++); \
for( ; cs->reserved_word[ii] && \
cs->reserved_word[ii][0] == str[n]; ii++) \
{ \
for (jj = 0; cs->reserved_word[ii][jj] && \
cs->reserved_word[ii][jj] == str[n+jj]; jj++); \
if (!cs->reserved_word[ii][jj] && !isalnum(str[n+jj]) && \
str[n+jj] != '_') \
{ mcsw = 6; frb = FRB1; break; } \
} \
} \
} \
if (!mcsw) frb = FRB5; \
} \
else if (isspace(str[n])) \
{ mcsw = 0; frb = FRB5; } \
else \
{ \
if (str[n] == cs->string_constant) \
{ mcsw = 1; frb = FRB2; } \
else if (str[n] == cs->char_constant) \
{ mcsw = 2; frb = FRB2; } \
else if (str[n] == cs->preproc_cmd) \
{ svmsw = mcsw = 5; frb = FRB3; } \
else \
{ \
mcsw = 0; \
if (str[n] == cs->begin_comment[0]) \
{ \
int jj; \
for(jj = 1; cs->begin_comment[jj] && \
str[n+jj] == cs->begin_comment[jj]; jj++); \
if (!cs->begin_comment[jj]) \
{ mcsw = 4; n_bg = n+jj-1; frb = FRB4; } \
} \
if (!mcsw && str[n] == cs->line_comment[0]) \
{ \
int jj; \
for (jj = 1; cs->line_comment[jj] && \
str[n+jj] == cs->line_comment[jj]; jj++); \
if (!cs->line_comment[jj]) { mcsw = 7; frb = FRB4; } \
} \
if (cs->long_operator && !mcsw) \
{ \
if(cs->insensitive) \
{ \
int ii, jj; \
for (ii = 0; cs->long_operator[ii] && \
cs->long_operator[ii][0] < str[n]; ii++); \
for ( ; cs->long_operator[ii] && \
cs->long_operator[ii][0] == str[n]; ii++) \
{ \
for (jj = 0; cs->long_operator[ii][jj] && \
cs->long_operator[ii][jj] == toupper(str[n+jj]); jj++); \
if (!cs->long_operator[ii][jj]) \
{ mcsw = 6; frb = FRB1; break; } \
} \
} \
else \
{ \
int ii, jj; \
for (ii = 0; cs->long_operator[ii] && \
cs->long_operator[ii][0] < str[n]; ii++); \
for ( ; cs->long_operator[ii] && \
cs->long_operator[ii][0] == str[n]; ii++) \
{ \
for (jj = 0; cs->long_operator[ii][jj] && \
cs->long_operator[ii][jj] == str[n+jj]; jj++); \
if (!cs->long_operator[ii][jj]) \
{ mcsw = 6; frb = FRB1; break; } \
} \
} \
} \
if (!mcsw) \
{ \
int jj; \
for (jj = 0; cs->single_operator[jj] && \
str[n] != cs->single_operator[jj]; jj++); \
if (!cs->single_operator[jj]) frb = FRB5; \
else frb = FRB1; \
} \
} \
} \
} \
if (str[n] == cs->quoting_char) bssw = !bssw; \
else bssw = 0; \
} \
else \
{ \
if ((mcsw == 7) || (mcsw == 4)) frb = FRB4; \
else if ((mcsw == 1) || (mcsw == 2)) frb = FRB2; \
else if (mcsw == 5) frb = FRB3; \
else \
frb = FRB5; \
} \
}
int e_scfbol(int n, int mcsw, unsigned char *str, WpeSyntaxRule *cs)
{
int bssw = 0, svmsw = 0, nla = 0, i, j;
for (i = 0; i < n && isspace(str[i]); i++)
;
if (mcsw == 5)
svmsw = 5;
else if (mcsw == 0 && str[i] == cs->preproc_cmd)
{
svmsw = mcsw = 5;
i++;
}
for (; i < n; i++)
{
if (i == cs->special_column)
return(0);
else if (mcsw == 4)
{
if (str[i] == cs->end_comment[0])
{
for (j = 1; cs->end_comment[j] && str[i+j] == cs->end_comment[j]; j++)
;
if (!cs->end_comment[j])
{
i += (j-1);
mcsw = svmsw;
}
}
}
else if (mcsw == 1)
{
if (str[i] == cs->string_constant && !bssw)
mcsw = svmsw;
}
else if (str[i] == cs->string_constant && !bssw)
mcsw = 1;
else
{
if (str[i] == cs->line_comment[0])
{
for (j = 1; cs->line_comment[j] && str[i+j] == cs->line_comment[j]; j++)
;
if (!cs->line_comment[j])
return(0);
}
if (str[i] == cs->begin_comment[0])
{
for (j = 1; cs->begin_comment[j] && str[i+j] == cs->begin_comment[j]; j++)
;
if (!cs->begin_comment[j])
mcsw = 4;
i += (j-1);
}
}
if (str[i] == cs->quoting_char)
bssw = !bssw;
else
bssw = 0;
}
return ((mcsw == 4 || (bssw && n > 0 && str[n-1] == cs->continue_char) ||
nla || cs->continue_column >= 0 ) ? mcsw : 0);
}
int e_sc_all(FENSTER *f, int sw)
{
int i;
if (!WpeIsProg() || !WpeIsXwin())
return(0);
if (!sw)
{
for (i = 0; i <= f->ed->mxedt; i++)
if (f->ed->f[i]->c_sw)
{
FREE(f->ed->f[i]->c_sw);
f->ed->f[i]->c_sw = NULL;
}
}
else
{
for (i = 0; i <= f->ed->mxedt; i++)
{
if (f->ed->f[i]->c_sw)
FREE(f->ed->f[i]->c_sw);
e_add_synt_tl(f->ed->f[i]->datnam, f->ed->f[i]);
if (f->ed->f[i]->c_st)
{
if (f->ed->f[i]->c_sw)
FREE(f->ed->f[i]->c_sw);
f->ed->f[i]->c_sw = e_sc_txt(NULL, f->ed->f[i]->b);
}
}
}
e_rep_win_tree(f->ed);
return(0);
}
int e_program_opt(FENSTER *f)
{
int ret, sw = f->ed->edopt & ED_SYNTAX_HIGHLIGHT ? 1 : 0;
W_OPTSTR *o = e_init_opt_kst(f);
if (!o) return(-1);
o->xa = 17; o->ya = 4; o->xe = 59; o->ye = 18;
o->bgsw = AltO;
o->name = "Programming-Options";
o->crsw = AltO;
e_add_txtstr(21, 2, "Screen:", o);
e_add_txtstr(4, 2, "Stop at", o);
e_add_sswstr(5, 3, 0, AltE, f->ed->edopt & ED_ERRORS_STOP_AT ? 1 : 0,
"Errors ", o);
e_add_sswstr(5, 4, 0, AltM, f->ed->edopt & ED_MESSAGES_STOP_AT ? 1 : 0,
"Messages", o);
e_add_sswstr(22, 3, 0, AltD, f->ed->edopt & ED_SYNTAX_HIGHLIGHT ? 1 : 0,
"Diff. Colors", o);
e_add_wrstr(4, 6, 4, 7, 35, 128, 1, AltX, "EXecution-Directory:",
e_prog.exedir, NULL, o);
e_add_wrstr(4, 9, 4, 10, 35, 128, 0, AltS, "System-Include-Path:",
e_prog.sys_include, NULL, o);
e_add_bttstr(10, 12, 1, AltO, " Ok ", NULL, o);
e_add_bttstr(26, 12, -1, WPE_ESC, "Cancel", NULL, o);
ret = e_opt_kst(o);
if (ret != WPE_ESC)
{
if (e_prog.exedir)
FREE(e_prog.exedir);
e_prog.exedir = WpeStrdup(o->wstr[0]->txt);
if (e_prog.sys_include)
FREE(e_prog.sys_include);
e_prog.sys_include = WpeStrdup(o->wstr[1]->txt);
f->ed->edopt = (f->ed->edopt & ~ED_PROGRAMMING_OPTIONS) +
(o->sstr[0]->num ? ED_ERRORS_STOP_AT : 0) +
(o->sstr[1]->num ? ED_MESSAGES_STOP_AT : 0) +
(o->sstr[2]->num ? ED_SYNTAX_HIGHLIGHT : 0);
if (sw != o->sstr[2]->num)
e_sc_all(f, o->sstr[2]->num);
}
freeostr(o);
return(0);
}
int e_sc_nw_txt(int y, BUFFER *b, int sw)
{
int i, out;
if (sw < 0)
{
out = b->f->c_sw[y+1];
for (i = y+1; i < b->mxlines; i++)
b->f->c_sw[i] = b->f->c_sw[i+1];
if (out == b->f->c_sw[y])
return(0);
}
else if (sw > 0)
for (i = b->mxlines-1; i > y; i--)
b->f->c_sw[i] = b->f->c_sw[i-1];
if (b->f->c_st->continue_column < 0)
{
for (i = y; i < b->mxlines-1; i++)
{
if ((out = e_scfbol(b->bf[i].len, b->f->c_sw[i], b->bf[i].s, b->f->c_st)) == b->f->c_sw[i+1])
break;
else
b->f->c_sw[i+1] = out;
}
}
else
{
if (y != 0) /* Quick fix to continue line check - Dennis */
{
b->f->c_sw[y] = isspace(b->bf[y].s[b->f->c_st->continue_column]) ? 0 :
e_scfbol(b->bf[y-1].len, b->f->c_sw[y-1], b->bf[y-1].s, b->f->c_st);
for (i = y; i < b->mxlines-1; i++)
{
out = isspace(b->bf[i+1].s[b->f->c_st->continue_column]) ? 0 :
e_scfbol(b->bf[i].len, b->f->c_sw[i], b->bf[i].s, b->f->c_st);
if (out == b->f->c_sw[i+1])
break;
else
b->f->c_sw[i+1] = out;
}
}
}
return(0);
}
int *e_sc_txt(int *c_sw, BUFFER *b)
{
int i;
if (!c_sw)
c_sw = MALLOC(b->mx.y * sizeof(int));
c_sw[0] = 0;
if (b->f->c_st->continue_column < 0)
{
for (i = 0; i < b->mxlines-1; i++)
c_sw[i+1] = e_scfbol(b->bf[i].len, c_sw[i], b->bf[i].s, b->f->c_st);
}
else
{
for (i = 0; i < b->mxlines-1; i++)
{
c_sw[i+1] = isspace(b->bf[i+1].s[b->f->c_st->continue_column]) ? 0 :
e_scfbol(b->bf[i].len, c_sw[i], b->bf[i].s, b->f->c_st);
}
}
return(c_sw);
}
/* Writing of a line (content of a screen) */
void e_pr_c_line(int y, FENSTER *f)
{
BUFFER *b = f->b;
SCHIRM *s = f->s;
int i, j, k, frb = 0;
int mcsw = f->c_sw[y], svmsw = f->c_sw[y] == 5 ? 5 : 0, bssw = 0;
int n_bg = -1, n_nd = strlen(f->c_st->end_comment)-1;
#ifdef DEBUGGER
int fsw = 0;
#endif
for (i = j = 0; j < s->c.x; j++, i++)
{
if (*(b->bf[y].s + i) == WPE_TAB)
j += (f->ed->tabn - j % f->ed->tabn - 1);
#ifdef UNIX
else if (((unsigned char) *(b->bf[y].s + i)) > 126)
{
j++;
if (((unsigned char) *(b->bf[y].s + i)) < 128 + ' ')
j++;
}
else if (*(b->bf[y].s + i) < ' ')
j++;
#endif
}
if (j > s->c.x)
i--;
for (k = 0; k < i; k++)
e_mk_col(b->bf[y].s, b->bf[y].len, k, frb, f->c_st, n_nd, n_bg);
#ifdef DEBUGGER
for (j = 1; j <= s->brp[0]; j++)
if (s->brp[j] == y)
{
fsw = 1;
break;
}
for (j = s->c.x; i < b->bf[y].len && j < NUM_COLS_ON_SCREEN_SAFE + s->c.x - 1; i++, j++)
{
e_mk_col(b->bf[y].s, b->bf[y].len, i, frb, f->c_st, n_nd, n_bg);
if ( y == s->da.y && i >= s->da.x && i < s->de.x )
frb = s->fb->dy.fb;
else if (fsw)
frb = s->fb->db.fb;
else if ( y == s->fa.y && i >= s->fa.x && i < s->fe.x )
frb = s->fb->ek.fb;
#else
for (j = s->c.x; i < b->bf[y].len && j < NUM_COLS_ON_SCREEN_SAFE + s->c.x - 1; i++, j++)
{
e_mk_col(b->bf[y].s, b->bf[y].len, i, frb, f->c_st, n_nd, n_bg);
if ( y == s->fa.y && i >= s->fa.x && i < s->fe.x )
frb = s->fb->ek.fb;
#endif
else if ((y < s->mark_end.y && ( y > s->mark_begin.y ||
(y == s->mark_begin.y && i >= s->mark_begin.x))) ||
(y == s->mark_end.y && i < s->mark_end.x && ( y > s->mark_begin.y ||
(y == s->mark_begin.y && i >= s->mark_begin.x))))
frb = s->fb->ez.fb;
if (*(b->bf[y].s + i) == WPE_TAB)
for (k = f->ed->tabn - j % f->ed->tabn;
k > 1 && j < NUM_COLS_ON_SCREEN + s->c.x - 2; k--, j++)
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1, ' ', frb);
#ifdef UNIX
else if (!WpeIsXwin() && ((unsigned char)*(b->bf[y].s + i)) > 126)
{
e_pr_char(f->a.x - s->c.x + j +1, y - s->c.y + f->a.y + 1, '@', frb);
if (++j >= NUM_COLS_ON_SCREEN + s->c.x - 1)
return;
if (((unsigned char)*(b->bf[y].s + i)) < 128 + ' ' && j < NUM_COLS_ON_SCREEN + s->c.x - 1)
{
e_pr_char(f->a.x - s->c.x + j +1, y - s->c.y + f->a.y + 1, '^', frb);
if (++j >= NUM_COLS_ON_SCREEN + s->c.x - 1)
return;
}
}
else if (*(b->bf[y].s + i) < ' ')
{
e_pr_char(f->a.x - s->c.x + j +1, y - s->c.y + f->a.y + 1, '^', frb);
if (++j >= NUM_COLS_ON_SCREEN + s->c.x - 1)
return;
}
#endif
if (*(b->bf[y].s + i) == WPE_TAB)
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1, ' ', frb);
#ifdef UNIX
else if(!WpeIsXwin() && ((unsigned char)*(b->bf[y].s + i)) > 126 &&
j < NUM_COLS_ON_SCREEN + s->c.x - 1)
{
if (((unsigned char)*(b->bf[y].s + i)) < 128 + ' ')
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
((unsigned char) *(b->bf[y].s + i)) + 'A' - 129, frb);
else
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
((unsigned char) *(b->bf[y].s + i)) - 128, frb);
}
else if (*(b->bf[y].s + i) < ' ' && j < NUM_COLS_ON_SCREEN + s->c.x - 1)
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
*(b->bf[y].s + i) + 'A' - 1, frb);
#endif
else
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
*(b->bf[y].s + i), frb);
}
e_mk_col(b->bf[y].s, b->bf[y].len, i, frb, f->c_st, n_nd, n_bg);
if ((i == b->bf[y].len) && (f->ed->edopt & ED_SHOW_ENDMARKS) &&
(DTMD_ISMARKABLE(f->dtmd)) && (j < NUM_COLS_ON_SCREEN_SAFE + s->c.x - 1))
{
if ((y < s->mark_end.y && ( y > s->mark_begin.y ||
(y == s->mark_begin.y && i >= s->mark_begin.x) ) ) ||
(y == s->mark_end.y && i < s->mark_end.x && ( y > s->mark_begin.y ||
(y == s->mark_begin.y && i >= s->mark_begin.x) ) ) )
{
if (*(b->bf[y].s + i) == WPE_WR)
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
PWR, s->fb->ez.fb);
else
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
PNL, s->fb->ez.fb);
}
else
{
if (*(b->bf[y].s + i) == WPE_WR)
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
PWR, frb);
else
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1,
PNL, frb);
}
j++;
}
for (; j < NUM_COLS_ON_SCREEN + s->c.x - 1; j++)
e_pr_char(f->a.x - s->c.x + j + 1, y - s->c.y + f->a.y + 1, ' ', frb);
}
int e_add_synt_tl(char *filename, FENSTER *f)
{
int i, k;
f->c_st = NULL;
f->c_sw = NULL;
if (!WpeSyntaxDef || !filename) return 0;
filename = strrchr(filename, '.');
if (!filename) return 0;
for(i = 0; i < WpeExpArrayGetSize(WpeSyntaxDef); i++)
{
for (k = 0; k < WpeExpArrayGetSize(WpeSyntaxDef[i]->extension); k++)
{
if (!strcmp(filename, WpeSyntaxDef[i]->extension[k]))
{
f->c_st = WpeSyntaxDef[i]->syntax_rule;
if (f->ed->edopt & ED_SYNTAX_HIGHLIGHT)
f->c_sw = MALLOC(f->b->mx.y*sizeof(int));
}
}
}
return(0);
}
/* Browser */
E_AFILE *e_aopen(char *name, char *path, int mode)
{
ECNT *cn = WpeEditor;
E_AFILE *ep = MALLOC(sizeof(E_AFILE));
char str[256];
int i, j;
ep->b = NULL;
ep->fp = NULL;
if (mode & 1)
{
for (i = 1; i <= cn->mxedt && strcmp(cn->f[i]->datnam, name); i++)
;
if (i <= cn->mxedt)
{
ep->b = cn->f[i]->b;
ep->p.x = ep->p.y = 0;
}
}
if ((mode & 2) && !ep->b && !access(name, R_OK))
ep->fp = fopen(name, "r");
if ((mode & 4) && !ep->b && !ep->fp)
{
for (i = 0; path[i] && !ep->fp; i++)
{
for (j = 0; (str[j] = path[i]) && path[i] != ':'; j++, i++)
;
if (!path[i]) i--;
str[j] = '/';
str[j+1] = '\0';
strcat(str, name);
if (!access(str, R_OK))
ep->fp = fopen(str, "r");
if (ep->fp)
strcpy(name, str);
}
}
if (!ep->b && !ep->fp)
{
FREE(ep);
return NULL;
}
return(ep);
}
int e_aclose(E_AFILE *ep)
{
int ret = 0;
if (ep->fp)
ret = fclose(ep->fp);
FREE(ep);
return(ret);
}
char *e_agets(char *str, int n, E_AFILE *ep)
{
int i, j;
if (ep->fp)
return(fgets(str, n, ep->fp));
if (ep->p.y >= ep->b->mxlines ||
(ep->p.y == ep->b->mxlines-1 && ep->p.x > ep->b->bf[ep->p.y].len))
return(NULL);
for (i = 0; ep->p.y < ep->b->mxlines; (ep->p.y)++)
{
for (j = ep->p.x; i < n-1 && j <= ep->b->bf[ep->p.y].len; i++, j++)
str[i] = ep->b->bf[ep->p.y].s[j];
if (str[i-1] == '\n')
{
ep->p.x = 0;
(ep->p.y)++;
break;
}
else if (i == n-1)
{
ep->p.x = j;
break;
}
else
{
ep->p.x = 0;
(ep->p.y)++;
}
}
str[i] = '\0';
return(str);
}
char *e_sh_spl1(char *sp, char *str, E_AFILE *fp, int *n)
{
while (1)
{
while (isspace(*++sp))
;
if (sp[0] == '\\')
{
(*n)++;
if (!e_agets((sp = str), 256, fp))
return(NULL);
--sp;
}
else if (sp[0] == '/' && sp[1] == '*')
{
while (!(sp = strstr(sp, "*/")))
{
(*n)++;
if (!e_agets((sp = str), 256, fp))
return(NULL);
}
sp++;
}
else
break;
}
return(sp);
}
char *e_sh_spl2(char *sp, char *str, E_AFILE *fp, int *n)
{
while (1)
{
while (isspace(*++sp))
;
if (!sp[0] || sp[0] == '\n' || sp[0] == '\\')
{
(*n)++;
if (!e_agets((sp = str), 256, fp))
return(NULL);
--sp;
}
else if (sp[0] == '/' && sp[1] == '*')
{
while (!(sp = strstr(sp, "*/")))
{
(*n)++;
if (!e_agets((sp = str), 256, fp))
return(NULL);
}
sp++;
}
else
break;
}
return(sp);
}
char *e_sh_spl3(sp, str, fp, n)
char *sp;
char *str;
E_AFILE *fp;
int *n;
{
int brk = 1;
while(*++sp != '}' || brk > 1)
{ if(!sp[0] || sp[0] == '\n')
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL);
if(isspace(*sp)) while(isspace(*++sp));
if(sp[0] == '#' && ispelse(sp))
{ do
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL);
if(isspace(*sp)) while(isspace(*++sp));
} while(sp[0] != '#' || !ispendif(sp));
}
sp--;
}
else if(sp[0] == '/' && sp[1] == '*')
{ while(!(sp = strstr(sp, "*/")))
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL); }
sp++;
}
else if(sp[0] == '{') brk++;
else if(sp[0] == '}') brk--;
else if(sp[0] == '\'')
{ int bsl = 0;
while(*++sp && (sp[0] != '\'' || bsl))
{ bsl = *sp == '\\' ? !bsl : 0; }
if(!*sp) sp--;
}
else if(sp[0] == '\"')
{ int bsl = 0;
while(*++sp && ( *sp != '\"' || bsl))
{ bsl = *sp == '\\' ? !bsl : 0; }
if(!*sp) sp--;
}
}
return(sp);
}
char *e_sh_spl5(sp, str, fp, n)
char *sp;
char *str;
E_AFILE *fp;
int *n;
{
int brk = 1;
while(*++sp != ')' || brk > 1)
{ if(!sp[0] || sp[0] == '\n')
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL);
if(isspace(*sp)) while(isspace(*++sp));
if(sp[0] == '#' && ispelse(sp))
{ do
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL);
if(isspace(*sp)) while(isspace(*++sp));
} while(sp[0] != '#' || !ispendif(sp));
}
sp--;
}
else if(sp[0] == '/' && sp[1] == '*')
{ while(!(sp = strstr(sp, "*/")))
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL); }
sp++;
}
else if(sp[0] == '(') brk++;
else if(sp[0] == ')') brk--;
else if(sp[0] == '\'')
{ int bsl = 0;
while(*++sp && (sp[0] != '\'' || bsl))
{ bsl = *sp == '\\' ? !bsl : 0; }
if(!*sp) sp--;
}
else if(sp[0] == '\"')
{ int bsl = 0;
while(*++sp && (*sp != '\"' || bsl))
{ bsl = *sp == '\\' ? !bsl : 0; }
if(!*sp) sp--;
}
}
return(sp);
}
char *e_sh_spl4(sp, str, fp, n)
char *sp;
char *str;
E_AFILE *fp;
int *n;
{
int brk = 0;
while((*++sp != ',' && *sp != ';' && *sp != '(') || brk)
{ if(!sp[0] || sp[0] == '\n')
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL);
--sp;
}
else if(sp[0] == '/' && sp[1] == '*')
{ while(!(sp = strstr(sp, "*/")))
{ (*n)++; if(!e_agets((sp = str), 256, fp)) return(NULL); }
sp++;
}
else if(sp[0] == '\"')
{ int bsl = 0;
while(*++sp && (sp[0] != '\"' || bsl))
{ bsl = *sp == '\\' ? !bsl : 0; }
if(!*sp) sp--;
}
else if(sp[0] == '\'')
{ int bsl = 0;
while(*++sp && (sp[0] != '\'' || bsl))
{ bsl = *sp == '\\' ? !bsl : 0; }
if(!*sp) sp--;
}
else if(sp[0] == '{') brk++;
else if(sp[0] == '}') brk--;
}
return(sp);
}
struct dirfile *e_c_add_df(char *str, struct dirfile *df)
{
if (df == NULL)
{
df = MALLOC(sizeof(struct dirfile));
df->anz = 0;
df->name = MALLOC(sizeof(char*));
}
df->anz++;
df->name = REALLOC(df->name, df->anz * sizeof(char*));
df->name[df->anz-1] = MALLOC((strlen(str)+1) * sizeof(char));
strcpy(df->name[df->anz-1], str);
return(df);
}
int e_find_def(name, startfile, mode, file, num, xn, nold, oldfile, df, first)
char *name;
char *startfile;
int mode;
char *file;
int *num;
int *xn;
int nold;
char *oldfile;
struct dirfile **df;
int *first;
{
E_AFILE *fp = NULL;
char *sp = NULL, str[256], *w, word[256];
int i, n, com = 0, ret = 1;
int len = strlen(name);
if(*df)
{ for(i = 0; i < (*df)->anz; i++)
if(!strcmp((*df)->name[i], startfile)) return(-2);
}
*df = e_c_add_df(startfile, *df);
if(!fp) fp = e_aopen(startfile, e_prog.sys_include, mode);
if(!fp) return(-1);
for(n = 0; com == 2 || e_agets((sp = str), 256, fp); n++)
{ if(com)
{ if(com == 1 && !(sp = strstr(sp, "*/"))) continue;
else com = 0;
}
if(isspace(*sp) && !(sp = e_sh_spl2(sp, str, fp, &n))) goto b_end;
if(sp[0] == '/' && sp[1] == '*')
{ if(!(sp = strstr(sp, "*/"))) com = 1;
else { n--; com = 2; sp += 2; }
continue;
}
else if(*sp == '#')
{ if(!(sp = e_sh_spl1(sp, str, fp, &n))) goto b_end;
if(!strncmp(sp, "define", 6))
{ while(isalpha(*++sp));
if(isspace(*sp) && !(sp = e_sh_spl1(sp, str, fp, &n))) goto b_end;
if(!strncmp(sp, name, len) && !isalnum1(sp[len]))
{ if(*first)
{ e_aclose(fp); strcpy(file, startfile);
*num = n; *xn = ((int)(sp - str)) + len; return(0);
}
else if(n == nold && !strcmp(startfile, oldfile)) *first = 1;
}
}
#ifndef TESTSDEF
else if(!strncmp(sp, "include", 7))
{ while(isalpha(*++sp));
if(isspace(*sp) && !(sp = e_sh_spl1(sp, str, fp, &n))) goto b_end;
for(i = 1; (word[i-1] = sp[i])
&& sp[i] != '\"' && sp[i] != '>'; i++);
word[i-1] = '\0';
if(!e_find_def(name, word, sp[i] == '>' ? 4 : 7,
file, num, xn, nold, oldfile, df, first))
{ e_aclose(fp); return(0); }
}
#endif
while(sp[i = (strlen(sp) - 1)] != '\n' || sp[i-1] == '\\')
{ n++; if(!e_agets((sp = str), 256, fp)) goto b_end; }
}
else if(*sp == '{')
{ if(!(sp = e_sh_spl3(sp, str, fp, &n))) goto b_end;
sp++; com = 2; n--;
}
else if(!strncmp(sp, "extern", 6)) continue;
else if(!strncmp(sp, "typedef", 7))
{ while(!isspace(*++sp));
if(!(sp = e_sh_spl2(sp, str, fp, &n))) goto b_end;
if(!strncmp(sp, "struct", 6) || !strncmp(sp, "class", 5) ||
!strncmp(sp, "union", 5))
{ while(!isspace(*++sp));
if(!(sp = e_sh_spl2(sp, str, fp, &n))) goto b_end;
if(*sp == ';') { sp++; com = 2; n--; continue; }
if(!strncmp(sp, name, len) && !isalnum1(sp[len]))
{ while(!isspace(*++sp));
if(!(sp = e_sh_spl2(sp, str, fp, &n))) goto b_end;
if(*sp == '{')
{ if(*first)
{ e_aclose(fp); strcpy(file, startfile);
*num = n; *xn = (int)(sp - str); return(0);
}
else if(n == nold && !strcmp(startfile, oldfile)) *first = 1;
}
}
}
while(1)
{ if(isalpha1(*sp))
{ for(w = word; isalnum1(*w = *sp); w++, sp++);
*w = '\0';
if(isspace(*sp) && !(sp = e_sh_spl2(sp, str, fp, &n))) goto b_end;
if(*sp == ';')
{ if(!strncmp(word, name, len))
{ if(*first)
{ e_aclose(fp); strcpy(file, startfile);
*num = n; *xn = (int)(sp - str); return(0);
}
else if(n == nold && !strcmp(startfile, oldfile)) *first = 1;