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#include <def.h>
#include <gui.h>
#include <lexer.h>
#include <stdio.h>
#include <syntax.h>
struct pos {
u32 x;
u32 y;
};
static void syntax_highlight_line(struct pos *pos, char *str, u32 size)
{
/* printf("Got size %d '", size); */
/* for (u32 i = 0; i < size; i++) { */
/* printf("%c", str[i]); */
/* } */
/* printf("'\n"); */
while (1) {
struct token tok = token_resolve(str + pos->x, size - pos->x);
if (tok.type == NEWLINE) {
pos->x = 0;
pos->y++;
return;
}
if (tok.type == UNKNOWN)
return;
if (tok.type == SPACE) {
pos->x += tok.length;
continue;
}
/* token_print(&tok); */
if (tok.type > INSTR_START && tok.type < INSTR_END)
gui_highlight(pos->x, pos->y, tok.length, "instr");
else if (tok.type > REGS_START && tok.type < REGS_END) {
gui_highlight(pos->x, pos->y, tok.length, "regs");
}
pos->x += tok.length;
}
}
void syntax_highlight(char *buf, u32 size)
{
struct pos pos = { 0 };
u32 diff = 0;
char *start = buf;
gui_unhighlight();
for (u32 i = 0; i < size; i++) {
// TODO: Fix highlighting of last line without \n
if (buf[i] == '\0')
break;
if (buf[i] == '\n') {
pos.x = 0;
syntax_highlight_line(&pos, start, diff);
start += diff + 1;
diff = 0;
} else {
diff++;
}
}
}
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