Rename and cleanup

5 files changed, 0 insertions, 194 deletions

diff --git a/sem1/osc/mm11/regn/Makefile b/sem1/osc/mm11/regn/Makefile
deleted file mode 100644
index 442feba..0000000
--- a/sem1/osc/mm11/regn/Makefile
+++ /dev/null
@@ -1,30 +0,0 @@
-
-LEX=flex
-YACC=bison
-LIBS=-ly -lfl -lm
-CC=gcc
-
-PROG=regn
-TRASH=lex.yy.c $(PROG).tab.c $(PROG) $(PROG).tab.h $(PROG).output
-
-$(PROG): $(PROG).tab.o lex.yy.o symtab.o
-		$(CC) -o $@ $^ $(LIBS) 
-
-$(PROG).tab.c $(PROG).tab.h: $(PROG).y
-		$(YACC) -d -v $(PROG).y
-
-lex.yy.c: $(PROG).l
-		$(LEX) $(PROG).l
-
-%.o: %.c
-	$(CC) -c -o $@ $^
-
-PHONY: clean run
-
-run: $(PROG)
-	./$(PROG)
-
-clean:
-	rm -f *.o
-	rm -f $(TRASH)
-
diff --git a/sem1/osc/mm11/regn/regn.l b/sem1/osc/mm11/regn/regn.l
deleted file mode 100644
index bbaadb8..0000000
--- a/sem1/osc/mm11/regn/regn.l
+++ /dev/null
@@ -1,40 +0,0 @@
-%{
-#include <math.h>
-#include <string.h>
-#include "symtab.h"
-#include "regn.tab.h"
-%}
-
-realtal      ([0-9]+|([0-9]*\.[0-9]+))([eE][-+]?[0-9]+)?
-var_begin	 let
-op_log		 log
-op_exp		 exp
-op_sqrt		 sqrt
-var			 [A-Za-z][A-Za-z0-9]*
-
-%%
-{realtal}      {yylval.dval = atof(yytext); 
-                return TAL;}
-{var_begin}	   {return VAR_BEGIN;}
-{op_log}	   {return LOG;}
-{op_exp}	   {return EXP;}
-{op_sqrt}	   {return SQRT;}
-
-{var}		   {yylval.string = strdup(yytext); return VAR;}
-
-[ \t] ;
-
-
-'$'            {return 0;} 
-
-\n|.           {return yytext[0];} 
-
-%%
-
-void init_sym()
-{
-	int  i;
-	for (i = 0; i < HASHSIZE; i++)
-		symbolarray[i] = NULL;
-}
-
diff --git a/sem1/osc/mm11/regn/regn.y b/sem1/osc/mm11/regn/regn.y
deleted file mode 100644
index d0f67eb..0000000
--- a/sem1/osc/mm11/regn/regn.y
+++ /dev/null
@@ -1,54 +0,0 @@
-%{
-#include <stdio.h>
-#include <math.h>
-#include "symtab.h"
-#include <string.h>
-%}
-
-%union {
-	char           *string;
-	double          dval;
-}
-
-%token <string> VAR
-%token <dval> TAL
-%token LOG EXP SQRT VAR_BEGIN
-
-%left '-' '+'
-%right LOG EXP SQRT
-%left '*' '/'
-%right UMINUS
-
-%type <dval> expression
-
-%%
-
-statement_list: statement '\n'
-	  | statement_list statement '\n' ;
-
-statement:  expression					{printf("= %f\n",$1);}
-	  | VAR_BEGIN VAR '=' expression	{symnode_t *n = sym_lookup($2);
-										 if( !n ) {n = sym_insert($2); }
-										 n->value = $4;};
-
-expression: expression '+' expression   {$$ = $1 + $3;}
-	  | expression '-' expression   {$$ = $1 - $3;}
-	  | expression '*' expression   {$$ = $1 * $3;}
-	  | expression '/' expression   {if ($3 == 0.0) 
-                                           yyerror("divide dy zero");
-                                         else $$ = $1 / $3;}
-	  | '-' expression %prec UMINUS {$$ =  - $2;}
-	  | '(' expression ')'          {$$= $2;}
-	  | LOG expression				{$$ = log($2);}
-	  | EXP expression				{$$ = exp($2);}
-	  | SQRT expression				{$$ = sqrt($2);}
-          | TAL                         {$$ = $1;}
-	  | VAR							{symnode_t *n = sym_lookup($1);
-									 if( !n ) { yyerror("Var not found"); } else { $$ = n->value;} };
-%%
-
-int main()
-{ 
-  yyparse(); 
-}
-
diff --git a/sem1/osc/mm11/regn/symtab.c b/sem1/osc/mm11/regn/symtab.c
deleted file mode 100644
index 8103203..0000000
--- a/sem1/osc/mm11/regn/symtab.c
+++ /dev/null
@@ -1,50 +0,0 @@
-#include "symtab.h"
-#include <stdlib.h>
-#include <string.h>
-
-unsigned int hash(char *s) {
-	uint32_t hv = 0;
-	for( int i = 0; s[i] != '\0'; i++ ) {
-		// take MSB 6 bits of hv and xors with LSB of s[i]
-		uint32_t v = ( hv >> 26 ) ^ (s[i] & 0x3f);
-
-		// Push those back on hv
-		hv = (hv << 4) | v;
-	}
-	// Return appropriate size
-	return hv % HASHSIZE;
-}
-
-
-symnode_t *sym_insert(char *var) {
-	unsigned int index = hash(var);
-
-	// Save old value
-	symnode_t *oldSym = symbolarray[index];
-
-	// Make new
-	symbolarray[index] = malloc(sizeof(symnode_t));
-	if( symbolarray[index] == NULL ) {
-		// If malloc failed
-		symbolarray[index] = oldSym;
-		return NULL;
-	}
-
-	// Link old one
-	symbolarray[index]->next = oldSym;
-	symbolarray[index]->name = var;
-
-	return symbolarray[index];
-}
-
-symnode_t *sym_lookup(char *var) {
-	unsigned int index = hash(var);
-	symnode_t *n = symbolarray[index];
-
-	// Look trough list
-	while(n != NULL && strcmp(n->name, var) != 0) {
-		n = n->next;
-	}
-
-	return n;
-}
diff --git a/sem1/osc/mm11/regn/symtab.h b/sem1/osc/mm11/regn/symtab.h
deleted file mode 100644
index c61f3a8..0000000
--- a/sem1/osc/mm11/regn/symtab.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <stdint.h>
-#define HASHSIZE 100
-
-typedef struct symnode_struct {
-	char *name;
-	struct symnode_struct *next;
-	double value;
-} symnode_t;
-
-symnode_t *sym_insert(char *var);
-symnode_t *sym_lookup(char *var);
-
-struct symnode {
-	struct symnode *next;
-	char *name;
-	int type;
-	double value;
-};
-
-symnode_t *symbolarray[HASHSIZE];