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#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "node.h"
#include "scope.h"
#include "y.tab.h"
#include "pc.h"
extern char *yytext;
extern int line_num;
scope *cur_scope;
char* pretty_type(t)
int t;
{
if (t == ARRAY) {
return "ARRAY";
} else if (t == INT - ARRAY) {
return "ARRAY of INT";
} else if (t == INT - ARRAY) {
return "ARRAY of INT";
} else if (t == INT) {
return "INT";
} else if (t == REAL) {
return "REAL";
} else if (t == BOOL) {
return "BOOL";
} else if (t == -1) {
return "NO TYPE";
} else {
return "Unknown type";
}
}
void debug_print(d, y)
int d;
union YYSTYPE* y;
{
#ifdef DEBUG
if (d == PROG){
fprintf(stderr, "[PROG]");
} else if (d == VAR){
fprintf(stderr, "[VAR]");
} else if (d == PROC){
fprintf(stderr, "[PROC]");
} else if (d == FUNC){
fprintf(stderr, "[FUNC]");
} else if (d == BEG){
fprintf(stderr, "[BEG]");
} else if (d == END){
fprintf(stderr, "[END]");
} else if (d == ARRAY){
fprintf(stderr, "[ARRAY]");
} else if (d == OF){
fprintf(stderr, "[OF]");
} else if (d == INT){
fprintf(stderr, "[INT]");
} else if (d == REAL){
fprintf(stderr, "[REAL]");
} else if (d == IF){
fprintf(stderr, "[IF]");
} else if (d == THEN){
fprintf(stderr, "[THEN]");
} else if (d == ELSE){
fprintf(stderr, "[ELSE]");
} else if (d == WHILE){
fprintf(stderr, "[WHILE]");
} else if (d == DO){
fprintf(stderr, "[DO]");
} else if (d == FOR){
fprintf(stderr, "[FOR]");
} else if (d == TO){
fprintf(stderr, "[TO]");
} else if (d == DT){
fprintf(stderr, "[DOWNTO]");
} else if (d == NOT){
fprintf(stderr, "[NOT]");
} else if (d == DOTS){
fprintf(stderr, "[ .. ]");
} else if (d == ASSIGNOP){
fprintf(stderr, "[ASSIGN]");
} else if (d == RELOP){
fprintf(stderr, "[RELOP:");
if (y->opval == EQ){
fprintf(stderr, "EQ");
} else if (y->opval == NE){
fprintf(stderr, "NE");
} else if (y->opval == LT){
fprintf(stderr, "LT");
} else if (y->opval == LE){
fprintf(stderr, "LE");
} else if (y->opval == GT){
fprintf(stderr, "GT");
} else if (y->opval == GE){
fprintf(stderr, "GE");
} else if (y->opval == ADD){
fprintf(stderr, "ADD");
} else if (y->opval == SUB){
fprintf(stderr, "SUB");
} else if (y->opval == OR){
fprintf(stderr, "OR");
} else if (y->opval == MUL){
fprintf(stderr, "MUL");
} else if (y->opval == DIV){
fprintf(stderr, "DIV");
} else if (y->opval == AND){
fprintf(stderr, "AND");
}
fprintf(stderr,"]");
} else if (d == INUM) {
fprintf(stderr, "[INUM: %d]", y->ival);
} else if (d == RNUM) {
fprintf(stderr, "[INUM: %f]", y->rval);
} else if (d == ID) {
fprintf(stderr, "[ID: %s]", y->sval);
} else if (d == '\n') {
fprintf(stderr, "\n");
} else {
fprintf(stderr, "{%c}", d);
}
fprintf(stderr, " ");
#endif
return;
}
int yyerror(msg)
char* msg;
{
fprintf(stderr, "\nError, line %d: %s\n", line_num, msg);
#ifdef DEBUG
fprintf(stderr, "%s\n", yytext);
exit(1);
#endif
return 0;
}
int main()
{
cur_scope = mkscope();
assert(cur_scope);
yyparse();
return 0;
}
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