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Aloyse ARNAUD
302
Anna et Vincent/printing.c
Normal file
302
Anna et Vincent/printing.c
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#include "printing.h"
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#include <sys/utsname.h>
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#define LINUX_VIEW_COMMAND "| convert - -resize 70% sixel:- | cat"
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#define OSX_VIEW_COMMAND "| ./imgcat -W auto"
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static char *view_command(void) {
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struct utsname name;
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uname(&name);
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if (strcmp(name.sysname, "Darwin") == 0) {
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return OSX_VIEW_COMMAND;
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}
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else {
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return LINUX_VIEW_COMMAND;
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}
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}
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bool external_viewer = false;
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/**********************/
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/* Printing functions */
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/**********************/
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// Print d'un sommet, version noms contenus dans un deq
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void list_print_state(void *p, FILE *out) {
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if (isempty_dequeue(p)) {
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fprintf(out, "E");
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}
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else {
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for (uint j = 0; j < size_dequeue(p) - 1; j++) {
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fprintf(out, "%d,", lefread_dequeue(p, j));
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}
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fprintf(out, "%d", lefread_dequeue(p, size_dequeue(p) - 1));
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}
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}
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/********************************/
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/* Print des arêtes d'un graphe */
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/********************************/
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void named_lgedges_print(stack *theedges, nfa *A, FILE *out) {
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for (uint i = 0; i < size_stack(theedges); i++) { // Boucle sur les états de départ
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fprintf(out, "%d -> %d [label = \"",
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((multi_edge *)read_stack(theedges, i))->in,
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((multi_edge *)read_stack(theedges, i))->out);
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if (!isempty_dequeue(((multi_edge *)read_stack(theedges, i))->lab)) {
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for (uint j = 0;
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j < size_dequeue(((multi_edge *)read_stack(theedges, i))->lab) - 1;
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j++) {
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uint letnum =
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lefread_dequeue(((multi_edge *)read_stack(theedges, i))->lab, j);
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if (A->alpha_names[letnum] == ' ') {
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fprintf(out, "%s,", "␣");
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}
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else if (A->alpha_names[letnum] == '\"') {
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fprintf(out, "\\\",");
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}
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else {
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fprintf(out, "%c,", A->alpha_names[letnum]);
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}
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}
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uint letnum = lefread_dequeue(
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((multi_edge *)read_stack(theedges, i))->lab,
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size_dequeue(((multi_edge *)read_stack(theedges, i))->lab) - 1);
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if (A->alpha_names[letnum] == ' ') {
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fprintf(out, "%s\"]\n", "␣");
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}
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else if (A->alpha_names[letnum] == '\"') {
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fprintf(out, "\\\"\"]\n");
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}
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else {
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fprintf(out, "%c\"]\n", A->alpha_names[letnum]);
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}
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}
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}
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}
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/******************/
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/* Print d'un NFA */
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/******************/
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bool nfa_print(nfa *A, FILE *out) {
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fprintf(out, "digraph {\n");
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fprintf(out, "gradientangle=90\n");
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fprintf(out, "fontname=\"Helvetica,Arial,sans-serif\"\n");
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fprintf(out, "resolution= \"200.0,0.0\"\n");
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fprintf(out, "node [fontname=\"Helvetica,Arial,sans-serif\"]\n");
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fprintf(out, "edge [fontname=\"Helvetica,Arial,sans-serif\"]\n");
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fprintf(out, "rankdir=LR;\n\n");
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uint i = 0;
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uint f = 0;
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for (uint k = 0; k < A->trans->size_graph; k++) {
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fprintf(out, "%d [style=solid", k);
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if (A->state_names) {
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fprintf(out, ",label=\"%s\"", A->state_names[k]);
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}
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if ((i < size_dequeue(A->initials) &&
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lefread_dequeue(A->initials, i) == k) &&
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(f < size_dequeue(A->finals) && lefread_dequeue(A->finals, f) == k)) {
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fprintf(
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out,
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",fillcolor=\"blue:green\",style=filled,shape = doublecircle];\n");
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i++;
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f++;
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continue;
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}
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if (i < size_dequeue(A->initials) && lefread_dequeue(A->initials, i) == k) {
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fprintf(out, ",fillcolor=\"blue:green\",style=filled,shape = circle];\n");
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i++;
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continue;
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}
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if (f < size_dequeue(A->finals) && lefread_dequeue(A->finals, f) == k) {
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fprintf(out, ",shape = doublecircle];\n");
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f++;
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continue;
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}
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fprintf(out, ",shape = circle];\n");
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}
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stack *theedges;
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// Calcul de l'ensemble de transitions
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theedges = lgraph_to_multi_edges(A->trans);
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if (!theedges) {
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fprintf(stderr, "Error when printing: unable to convert graph to "
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"multi_edges.\nPlease implement lgraph_to_multi_edges().");
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return false;
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}
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named_lgedges_print(theedges, A, out);
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while (!isempty_stack(theedges)) {
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multi_edge *new = pop(theedges);
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delete_dequeue(new->lab);
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free(new);
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}
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delete_stack(theedges);
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fprintf(out, "}\n");
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return true;
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}
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/**************************/
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/* Affichage sur le shell */
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/**************************/
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// Affichage d'un NFA
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void nfa_view(nfa *thenfa) {
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if (!thenfa) {
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CRITICAL("NFA is NULL, impossible to display it.");
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return;
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}
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char tmp_filename[] = "/tmp/nfa-XXXXXX.dot";
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int d = mkostemps(tmp_filename, 4, O_APPEND);
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char png_filename[1 + strlen(tmp_filename)];
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strcpy(png_filename, tmp_filename);
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strcpy(png_filename + strlen(tmp_filename) - 3, "png");
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FILE *f_tmp = fdopen(d, "w");
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if (!f_tmp) {
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CRITICAL("Unable to open temporary file");
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}
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nfa_print(thenfa, f_tmp);
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fclose(f_tmp);
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char *command;
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if (!external_viewer) {
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command = multiple_strcat("dot -Tpng ", tmp_filename, view_command(), NULL);
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}
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else {
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command = multiple_strcat("dot -Tpng ", tmp_filename, " -o ", png_filename,
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"&& open ", png_filename, NULL);
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}
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TRACE("%s", command);
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system(command);
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free(command);
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}
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// Affichage de regexp, pour le débogage.
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// Ces fonctions vous sont fournies pour vous aider à déboguer votre code.
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static void reg_print_helper(regexp *r, regelem parent) {
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TRACE("reg_print_helper");
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if (r == NULL) {
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return;
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}
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switch (r->op) {
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case CHAR:
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if (r->letter == ' ') {
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fprintf(stdout, "%s", "␣");
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}
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else {
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fprintf(stdout, "%c", r->letter);
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}
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break;
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case EMPTY:
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print_color("∅", BLUE, stdout);
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break;
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case EPSILON:
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print_color("ε", YELLOW, stdout);
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break;
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case UNION:
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DEBUG("Union");
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if (parent != UNION && parent != NONE) {
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print_color("(", CYAN, stdout);
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}
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reg_print_helper(r->left, UNION);
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print_color(" + ", RED, stdout);
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reg_print_helper(r->right, UNION);
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if (parent != UNION && parent != NONE) {
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print_color(")", CYAN, stdout);
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}
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break;
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case INTER:
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if (parent != INTER && parent != NONE) {
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print_color("(", CYAN, stdout);
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}
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reg_print_helper(r->left, INTER);
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printf(" ∩ ");
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reg_print_helper(r->right, INTER);
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if (parent != INTER && parent != NONE) {
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print_color(")", CYAN, stdout);
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}
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break;
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case CONCAT:
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DEBUG("Concat");
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if (parent != CONCAT && parent != UNION && parent != NONE) {
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print_color("(", CYAN, stdout);
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}
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reg_print_helper(r->left, CONCAT);
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reg_print_helper(r->right, CONCAT);
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if (parent != CONCAT && parent != UNION && parent != NONE) {
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print_color(")", CYAN, stdout);
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}
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break;
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case STAR:
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DEBUG("Star");
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if (r->left->op == CHAR || r->left->op == EPSILON || r->left->op == EMPTY) {
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reg_print_helper(r->left, STAR);
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print_color("*", CYAN, stdout);
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}
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else {
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// printf("(");
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reg_print_helper(r->left, STAR);
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// printf(")");
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print_color("*", CYAN, stdout);
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}
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break;
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case COMPLEMENT:
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if (parent != NONE) {
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print_color("(", CYAN, stdout);
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}
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print_color("¬", RED, stdout);
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reg_print_helper(r->left, COMPLEMENT);
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if (parent != NONE) {
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print_color(")", CYAN, stdout);
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}
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break;
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default:
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CRITICAL("Unknown regexp operator (%d)", r->op);
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break;
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}
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}
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void reg_print(regexp *r) {
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TRACE("reg_print");
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reg_print_helper(r, NONE);
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printf("\n");
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}
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