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#include "print.h"
#include <stdio.h>
#include <inttypes.h>
#include "log.h"
#include "mem.h"
void print_token(token* tk) {
char c;
switch (tk->kind) {
case TOKEN_SEMICOLON: c = ';'; break;
case TOKEN_COLON: c = ':'; break;
case TOKEN_OPEN_P: c = '('; break;
case TOKEN_CLOSE_P: c = ')'; break;
case TOKEN_OPEN_SQ: c = '['; break;
case TOKEN_CLOSE_SQ: c = ']'; break;
case TOKEN_EQUALS: c = '='; break;
case TOKEN_COMMA: c = ','; break;
case TOKEN_CODE: printf("code "); return;
case TOKEN_IMPORT: printf("import "); return;
case TOKEN_NAME:
printf("%s", (char*) tk->var);
return;
case TOKEN_INT:
printf("%d", *((int*) tk->var));
return;
}
printf("%c", c);
}
void print_token_list(token_list* list) {
print_token(&list->elem);
if (list->rest) {
printf(list->elem.kind == TOKEN_SEMICOLON ? "\n" : " ");
print_token_list(list->rest);
}
}
void print_expression(expression* expr) {
if (!expr)
return;
switch (expr->kind) {
case EXPR_INT:
printf("%d", *((int*) expr->var1));
break;
case EXPR_NAME:
printf("%s", (char*) expr->var1);
break;
case EXPR_CODE:
printf("code [%p, %d args]",
(void*) expr->var1, *((unsigned char*) expr->var2));
break;
case EXPR_LIST:
if (!expr->var1) {
printf("[]");
} else {
printf("[");
print_expression(expr->var1);
printf(":");
print_expression(expr->var2);
printf("]");
}
break;
case EXPR_TUPLE:
printf("(");
print_expression(expr->var1);
printf(",");
print_expression(expr->var2);
printf(")");
break;
case EXPR_APP:
if (((expression*) expr->var1)->kind == EXPR_APP)
printf("(");
print_expression(expr->var1);
if (((expression*) expr->var1)->kind == EXPR_APP)
printf(")");
printf(" ");
if (((expression*) expr->var2)->kind == EXPR_APP)
printf("(");
print_expression(expr->var2);
if (((expression*) expr->var2)->kind == EXPR_APP)
printf(")");
break;
}
}
void print_arg_list(arg_list* args) {
if (!args)
return;
print_expression(&args->elem);
printf(" ");
if (args->rest)
print_arg_list(args->rest);
}
void print_rewrite_rule(rewrite_rule* rule) {
printf("%s ", rule->name);
print_arg_list(rule->args);
printf("= ");
print_expression(&rule->rhs);
printf(";");
}
void print_fuspel(fuspel* rules) {
print_rewrite_rule(&rules->rule);
if (rules->rest) {
printf("\n");
print_fuspel(rules->rest);
}
}
void print_node(struct node* node) {
expression* e = my_calloc(1, sizeof(expression));
cpy_node_to_expression(e, node);
print_expression(e);
free_expression(e);
my_free(e);
}
#ifdef _FUSPEL_DEBUG
static unsigned int file_count = 0;
void free_visited_nodes(struct visited_nodes *list) {
if (list) {
free_visited_nodes(list->next);
my_free(list);
}
}
void push_visited_node(struct visited_nodes *list, struct node *node) {
while (list->next) list = list->next;
list->next = my_calloc(1, sizeof(struct visited_nodes));
list->next->node = node;
}
unsigned visited_node_exists(struct visited_nodes *list, struct node *node) {
while (list) {
if (list->node == node)
return 1;
list = list->next;
}
return 0;
}
void print_node_to_file(struct node* node, FILE* f, struct visited_nodes *visited) {
unsigned close = 0;
unsigned do_free_visited = 0;
if (visited_node_exists(visited, node))
return;
if (!visited) {
visited = my_calloc(1, sizeof(struct visited_nodes));
do_free_visited = 1;
}
push_visited_node(visited, node);
if (!f) {
char fname[20];
printf(" === Drawing graph %d ===\n", file_count);
sprintf(fname, "graph-%03u.dot", file_count++);
f = fopen(fname, "w");
fprintf(f, "digraph {\n");
fprintf(f, "node [shape=rectangle];\n");
close = 1;
}
switch (node->kind) {
case NODE_INT:
fprintf(f, "%" PRIuPTR " [label=\"%p: %d (%d)\", penwidth=%d];\n",
(uintptr_t) node, node, *((int*) node->var1),
node->used_count, node->used_count);
break;
case NODE_NAME:
fprintf(f, "%" PRIuPTR " [label=\"%p: %s (%d)\", penwidth=%d];\n",
(uintptr_t) node, node, (char*) node->var1,
node->used_count, node->used_count);
break;
case NODE_CODE:
fprintf(f, "%" PRIuPTR " [label=\"%p: code: %p (%d)\", penwidth=%d];\n",
(uintptr_t) node, node, node->var1,
node->used_count, node->used_count);
break;
case NODE_LIST:
case NODE_TUPLE:
case NODE_APP:
if (node->kind == NODE_LIST)
fprintf(f, "%" PRIuPTR " [label=\"%p: List (%d)\", color=gray, penwidth=%d];\n",
(uintptr_t) node, node, node->used_count, node->used_count);
else if (node->kind == NODE_TUPLE)
fprintf(f, "%" PRIuPTR " [label=\"%p: Tuple (%d)\", color=gray, penwidth=%d];\n",
(uintptr_t) node, node, node->used_count, node->used_count);
else if (node->kind == NODE_APP)
fprintf(f, "%" PRIuPTR " [label=\"%p: App (%d)\", color=gray, penwidth=%d];\n",
(uintptr_t) node, node, node->used_count, node->used_count);
if (node->var1) {
print_node_to_file((struct node*) node->var1, f, visited);
print_node_to_file((struct node*) node->var2, f, visited);
fprintf(f, "%" PRIuPTR " -> %" PRIuPTR " [label=\"l\", penwidth=%d];\n",
(uintptr_t) node, (uintptr_t) node->var1, node->used_count);
fprintf(f, "%" PRIuPTR " -> %" PRIuPTR " [label=\"r\", penwidth=%d];\n",
(uintptr_t) node, (uintptr_t) node->var2, node->used_count);
}
break;
case NODE_REDIRECT:
fprintf(f, "%" PRIuPTR " [label=\"%p: Redirection (%d)\", color=gray, penwidth=%d];\n",
(uintptr_t) node, node, node->used_count, node->used_count);
print_node_to_file((struct node*) node->var1, f, visited);
fprintf(f, "%" PRIuPTR " -> %" PRIuPTR " [penwidth=%d];\n",
(uintptr_t) node, (uintptr_t) node->var1, node->used_count);
break;
}
if (close) {
fprintf(f, "}");
fclose(f);
}
if (do_free_visited) {
free_visited_nodes(visited);
}
}
#endif
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