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lang: make Marker
s debuggable
This commit is contained in:
parent
2bea3994c2
commit
e62b50a51a
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@ -47,10 +47,10 @@ impl<'src, 'toks> Parser<'src, 'toks> {
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self.input.kind(self.pos)
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}
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pub(crate) fn start(&mut self) -> Marker {
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pub(crate) fn start(&mut self, name: &str) -> Marker {
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let pos = self.events.len();
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self.push_ev(Event::tombstone());
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Marker::new(pos)
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Marker::new(pos, name)
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}
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pub(crate) fn at(&self, kind: SyntaxKind) -> bool {
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@ -88,10 +88,10 @@ pub(crate) struct Marker {
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}
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impl Marker {
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pub(crate) fn new(pos: usize) -> Self {
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pub(crate) fn new(pos: usize, name: &str) -> Self {
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Self {
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pos,
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bomb: DropBomb::new("Marker must be completed or abandoned"),
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bomb: DropBomb::new(format!("Marker {name} must be completed or abandoned")),
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}
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}
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@ -135,7 +135,7 @@ pub(crate) struct CompletedMarker {
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impl CompletedMarker {
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pub(crate) fn precede(self, p: &mut Parser<'_, '_>) -> Marker {
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let new_pos = p.start();
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let new_pos = p.start("new_pos");
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match &mut p.events[self.pos] {
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Event::Start { forward_parent, .. } => {
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@ -5,7 +5,7 @@ use super::Parser;
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mod expression;
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pub fn source_file(p: &mut Parser) {
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let root = p.start();
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let root = p.start("root");
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expression::expression(p);
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p.eat_succeeding_ws();
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@ -47,7 +47,7 @@ mod collection {
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}
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pub fn expression(p: &mut Parser) -> Option<CompletedMarker> {
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let expr = p.start();
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let expr = p.start("expr");
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if atom(p).or_else(|| instr(p)).is_none() {
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expr.abandon(p);
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@ -6,7 +6,7 @@ use crate::parser::{
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};
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pub fn matrix(p: &mut Parser) -> CompletedMarker {
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let matrix = p.start();
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let matrix = p.start("matrix");
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p.eat(MAT_KW);
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if !p.eat(PAT_DIMENSIONS) {
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@ -20,7 +20,7 @@ pub fn matrix(p: &mut Parser) -> CompletedMarker {
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}
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fn matrix_body(p: &mut Parser) {
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let mat_body = p.start();
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let mat_body = p.start("mat_body");
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if !p.eat(L_BRACK) {
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mat_body.complete_err(p, SyntaxError::Expected(vec![MAT_BODY]));
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return ();
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@ -28,10 +28,10 @@ fn matrix_body(p: &mut Parser) {
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let mut going = true;
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let mut mat_row = p.start();
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let mut mat_row = p.start("mat_row");
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let mut row_items = 0;
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while going {
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let mat_item = p.start();
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let mat_item = p.start("mat_item");
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if expression(p).is_some() {
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mat_item.complete(p, MAT_ITEM);
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row_items += 1;
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@ -39,13 +39,13 @@ fn matrix_body(p: &mut Parser) {
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COMMA => p.do_bump(),
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SEMICOLON => {
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mat_row.complete(p, MAT_ROW);
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mat_row = p.start();
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mat_row = p.start("mat_row");
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p.do_bump();
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row_items = 0;
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}
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R_BRACK => going = false,
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_ => {
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let err = p.start();
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let err = p.start("err");
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p.do_bump();
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err.complete_err(p, SyntaxError::Expected(vec![COMMA, SEMICOLON, R_BRACK]));
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@ -54,7 +54,7 @@ fn matrix_body(p: &mut Parser) {
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} else if p.at(R_BRACK) {
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going = false;
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} else {
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let err = p.start();
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let err = p.start("err");
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p.do_bump();
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err.complete_err(p, SyntaxError::Expected(vec![EXPR, R_BRACK]));
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}
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@ -7,7 +7,7 @@ pub fn instr(p: &mut Parser) -> Option<CompletedMarker> {
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return None;
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}
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let instr = p.start();
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let instr = p.start("instr");
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instr_name(p);
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instr_params(p);
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@ -16,7 +16,7 @@ pub fn instr(p: &mut Parser) -> Option<CompletedMarker> {
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}
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fn instr_name(p: &mut Parser) {
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let instr_name = p.start();
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let instr_name = p.start("instr_name");
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while p.at(IDENT) {
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p.do_bump();
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@ -12,7 +12,7 @@ pub fn literal(p: &mut Parser) -> Option<CompletedMarker> {
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return None;
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}
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let lit = p.start();
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let lit = p.start("lit");
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p.do_bump();
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@ -1,4 +1,4 @@
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mat 2x2 [
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1, 2;
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1 2, 2;
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3, 4
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]
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