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parser: fix columns in errors

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This commit is contained in:
Alexander Medvednikov 2019-09-27 05:27:57 +03:00
parent da43267e09
commit 8f9c0b621e
2 changed files with 18 additions and 52 deletions
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58
compiler/parser.v
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@ -20,7 +20,7 @@ struct Tok {
lit string
line_nr int
name_idx int // name table index for O(1) lookup
// col int
col int
}
struct Parser {
@ -131,35 +131,24 @@ fn (v mut V) new_parser(path string) Parser {
$if js {
p.is_js = true
}
if p.pref.is_repl {
p.scanner.should_print_line_on_error = false
}
v.cgen.line_directives = v.pref.is_debuggable
v.cgen.file = path
for {
res := p.scanner.scan()
p.tokens << Tok {
tok: res.tok
lit: res.lit
line_nr: p.scanner.line_nr
col: p.scanner.pos - p.scanner.last_nl_pos
}
if res.tok == .eof {
break
}
}
v.add_parser(p)
/*
if !(p in v.parsers) {
v.parsers << p
}
*/
//p.next()
//p.scanner.debug_tokens()
return p
}
@ -184,8 +173,7 @@ fn (p mut Parser) next() {
p.tok = res.tok
p.lit = res.lit
p.scanner.line_nr = res.line_nr
}
}
fn (p & Parser) peek() Token {
if p.token_idx >= p.tokens.len - 2 {
@ -193,40 +181,8 @@ fn (p & Parser) peek() Token {
}
tok := p.tokens[p.token_idx]
return tok.tok
/*
// save scanner state
pos := s.pos
line := s.line_nr
inside_string := s.inside_string
inter_start := s.inter_start
inter_end := s.inter_end
res := s.scan()
tok := res.tok
// restore scanner state
s.pos = pos
s.line_nr = line
s.inside_string = inside_string
s.inter_start = inter_start
s.inter_end = inter_end
return tok
*/
}
/*
fn (p mut Parser) next_old() {
p.prev_tok2 = p.prev_tok
p.prev_tok = p.tok
p.scanner.prev_tok = p.tok
res := p.scanner.scan()
p.tok = res.tok
p.lit = res.lit
}
*/
fn (p &Parser) log(s string) {
/*
if !p.pref.is_verbose {
@ -911,7 +867,7 @@ fn (p mut Parser) error(s string) {
println('pass=$p.pass fn=`$p.cur_fn.name`\n')
}
p.cgen.save()
// V git pull hint
// V up hint
cur_path := os.getwd()
if !p.pref.is_repl && !p.pref.is_test && ( p.file_path.contains('v/compiler') || cur_path.contains('v/compiler') ){
println('\n=========================')
@ -928,7 +884,11 @@ fn (p mut Parser) error(s string) {
}
// p.scanner.debug_tokens()
// Print `[]int` instead of `array_int` in errors
p.scanner.error(s.replace('array_', '[]').replace('__', '.').replace('Option_', '?'))
e := s.replace('array_', '[]')
.replace('__', '.')
.replace('Option_', '?')
.replace('main.', '')
p.scanner.error_with_col(e, p.tokens[p.token_idx-1].col)
}
fn (p &Parser) first_pass() bool {