diff options
Diffstat (limited to 'nfa.c')
| -rw-r--r-- | nfa.c | 58 |
1 files changed, 21 insertions, 37 deletions
@@ -36,8 +36,8 @@ /* declare functions that have forward references */ -int dupmachine PROTO ((int)); -void mkxtion PROTO ((int, int)); +int dupmachine (int); +void mkxtion (int, int); /* add_accept - add an accepting state to a machine @@ -45,8 +45,7 @@ void mkxtion PROTO ((int, int)); * accepting_number becomes mach's accepting number. */ -void add_accept (mach, accepting_number) - int mach, accepting_number; +void add_accept (int mach, int accepting_number) { /* Hang the accepting number off an epsilon state. if it is associated * with a state that has a non-epsilon out-transition, then the state @@ -77,8 +76,7 @@ void add_accept (mach, accepting_number) * num - the number of copies of singl to be present in newsng */ -int copysingl (singl, num) - int singl, num; +int copysingl (int singl, int num) { int copy, i; @@ -93,9 +91,7 @@ int copysingl (singl, num) /* dumpnfa - debugging routine to write out an nfa */ -void dumpnfa (state1) - int state1; - +void dumpnfa (int state1) { int sym, tsp1, tsp2, anum, ns; @@ -148,8 +144,7 @@ void dumpnfa (state1) * states accessible by the arrays firstst and lastst */ -int dupmachine (mach) - int mach; +int dupmachine (int mach) { int i, init, state_offset; int state = 0; @@ -196,9 +191,8 @@ int dupmachine (mach) * context has variable length. */ -void finish_rule (mach, variable_trail_rule, headcnt, trailcnt, - pcont_act) - int mach, variable_trail_rule, headcnt, trailcnt, pcont_act; +void finish_rule (int mach, int variable_trail_rule, int headcnt, int trailcnt, + int pcont_act) { char action_text[MAXLINE]; @@ -250,11 +244,11 @@ void finish_rule (mach, variable_trail_rule, headcnt, trailcnt, /* Do trailing context magic to not match the trailing * characters. */ - char *scanner_cp = "YY_G(yy_c_buf_p) = yy_cp"; + char *scanner_cp = "yy_c_buf_p = yy_cp"; char *scanner_bp = "yy_bp"; add_action - ("*yy_cp = YY_G(yy_hold_char); /* undo effects of setting up yytext */\n"); + ("*yy_cp = yy_hold_char; /* undo effects of setting up yytext */\n"); if (headcnt > 0) { snprintf (action_text, sizeof(action_text), "%s = %s + %d;\n", @@ -301,8 +295,7 @@ void finish_rule (mach, variable_trail_rule, headcnt, trailcnt, * FIRST is set to new by the operation. last is unmolested. */ -int link_machines (first, last) - int first, last; +int link_machines (int first, int last) { if (first == NIL) return last; @@ -328,8 +321,7 @@ int link_machines (first, last) * The "beginning" states are the epsilon closure of the first state */ -void mark_beginning_as_normal (mach) - register int mach; +void mark_beginning_as_normal (register int mach) { switch (state_type[mach]) { case STATE_NORMAL: @@ -370,8 +362,7 @@ void mark_beginning_as_normal (mach) * more mkbranch's. Compare with mkor() */ -int mkbranch (first, second) - int first, second; +int mkbranch (int first, int second) { int eps; @@ -398,8 +389,7 @@ int mkbranch (first, second) * new - a new state which matches the closure of "state" */ -int mkclos (state) - int state; +int mkclos (int state) { return mkopt (mkposcl (state)); } @@ -419,8 +409,7 @@ int mkclos (state) * 2. mach is destroyed by the call */ -int mkopt (mach) - int mach; +int mkopt (int mach) { int eps; @@ -456,8 +445,7 @@ int mkopt (mach) * the number of epsilon states needed */ -int mkor (first, second) - int first, second; +int mkor (int first, int second) { int eps, orend; @@ -512,8 +500,7 @@ int mkor (first, second) * new - a machine matching the positive closure of "state" */ -int mkposcl (state) - int state; +int mkposcl (int state) { int eps; @@ -542,8 +529,7 @@ int mkposcl (state) * if "ub" is INFINITE_REPEAT then "new" matches "lb" or more occurrences of "mach" */ -int mkrep (mach, lb, ub) - int mach, lb, ub; +int mkrep (int mach, int lb, int ub) { int base_mach, tail, copy, i; @@ -589,8 +575,7 @@ int mkrep (mach, lb, ub) * that it admittedly is) */ -int mkstate (sym) - int sym; +int mkstate (int sym) { if (++lastnfa >= current_mns) { if ((current_mns += MNS_INCREMENT) >= maximum_mns) @@ -666,8 +651,7 @@ current_mns); * stateto - the state to which the transition is to be made */ -void mkxtion (statefrom, stateto) - int statefrom, stateto; +void mkxtion (int statefrom, int stateto) { if (trans1[statefrom] == NO_TRANSITION) trans1[statefrom] = stateto; @@ -684,7 +668,7 @@ void mkxtion (statefrom, stateto) /* new_rule - initialize for a new rule */ -void new_rule () +void new_rule (void) { if (++num_rules >= current_max_rules) { ++num_reallocs; |