nova/tern-assembler
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

refractoring, making the disgusting if else chain somewhat tolerable

Browse Source
This commit is contained in:
nova
2024-03-24 19:36:29 +01:00
parent fb59048075
commit f428423c49
2 changed files with 31 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
asm_rules.c
View File

@ -1,11 +1,15 @@
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
void asm_rules(char *in, char _asm[27]){
void trit_flip(char *in, char n0, char n1, char n2, char n3) {
in[0] = n0;
in[1] = n1;
in[2] = n2;
in[3] = n3;
}
void asm_rules(char *in, char *_asm){
for (int i=0; i<27; i++) {
_asm[i] = 0;
}
char *word = strtok(in, " ");
@ -21,79 +25,39 @@ void asm_rules(char *in, char _asm[27]){
//comments
break;
} else {
//cases make larger checks harder to read
if(word[0] == 'i') {
//integer
_asm[1] = 1;
} else if(word[0] == 'f') {
//floating
_asm[1] = 2;
}
if (word[0] == '$') {
//constants
_asm[0] = 2; //set constant loading (on input 1)
_asm[12] = 2; //set constant loading (on input 1)
} else if (word[0] == '@') {
//address location
//beware: beginning yandev style
//cases make larger checks harder to read
} else if (strstr(word, "max")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 0;
_asm[4] = 0;
_asm[5] = 1;
trit_flip(_asm, '+', '0', '0', '0');
} else if (strstr(word, "min")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 0;
_asm[4] = 0;
_asm[5] = 2;
trit_flip(_asm, '-', '0', '0', '0');
} else if (strstr(word, "any")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 0;
_asm[4] = 2;
_asm[5] = 2;
trit_flip(_asm, '0', '0', '0', '0');
} else if (strstr(word, "cons")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 0;
_asm[4] = 1;
_asm[5] = 1;
trit_flip(_asm, '-', '+', '0', '0');
} else if (strstr(word, "add")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 1;
_asm[4] = 0;
_asm[5] = 1;
trit_flip(_asm, '+', '-', '+', '0');
} else if (strstr(word, "sub")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 1;
_asm[4] = 0;
_asm[5] = 2;
trit_flip(_asm, '+', '-', '-', '0');
} else if (strstr(word, "mul")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 1;
_asm[4] = 1;
_asm[5] = 0;
trit_flip(_asm, '+', '0', '+', '0');
} else if (strstr(word, "div")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 1;
_asm[4] = 2;
_asm[5] = 0;
trit_flip(_asm, '+', '0', '-', '0');
} else if (strstr(word, "dec")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 2;
_asm[4] = 2;
_asm[5] = 0;
trit_flip(_asm, '-', '-', '0', '0');
} else if (strstr(word, "inc")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 2;
_asm[4] = 2;
_asm[5] = 1;
} else if (strstr(word, "not")) {
_asm[2] = 2; //set layer to arithmetics and logic
_asm[3] = 2;
_asm[4] = 2;
_asm[5] = 2;
trit_flip(_asm, '-', '+', '0', '0');
}
}
word = strtok(NULL, " ");