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compiler: improve typo detection

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This commit is contained in:
joe-conigliaro
2019-09-16 03:07:12 +10:00
committed by Alexander Medvednikov
parent 52fc16bc8a
commit 075a8e5ccb
3 changed files with 32 additions and 22 deletions
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27
compiler/table.v
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@ -856,11 +856,11 @@ fn (t &Type) contains_field_type(typ string) bool {
fn (table &Table) identify_typo(name string, current_fn &Fn, fit &FileImportTable) string {
// dont check if so short
if name.len < 2 { return '' }
min_match := 0.8 // for dice coefficient between 0.0 - 1.0
min_match := 0.50 // for dice coefficient between 0.0 - 1.0
name_orig := name.replace('__', '.').replace('_dot_', '.')
mut output := ''
// check functions
mut n := table.find_misspelled_fn(name_orig, min_match)
mut n := table.find_misspelled_fn(name, fit, min_match)
if n != '' {
output += '\n * function: `$n`'
}
@ -878,16 +878,27 @@ fn (table &Table) identify_typo(name string, current_fn &Fn, fit &FileImportTabl
}
// find function with closest name to `name`
fn (table &Table) find_misspelled_fn(name string, min_match f32) string {
fn (table &Table) find_misspelled_fn(name string, fit &FileImportTable, min_match f32) string {
mut closest := f32(0)
mut closest_fn := ''
is_main_fn := name.starts_with('main__')
n1 := if is_main_fn { name.right(6) } else { name }
for _, f in table.fns {
n := '${f.mod}.$f.name'
if !name.starts_with(f.mod) || (n.len - name.len > 3 || name.len - n.len > 3) { continue }
p := strings.dice_coefficient(name, n)
if n1.len - f.name.len > 2 || f.name.len - n1.len > 2 { continue }
if !(f.mod in ['', 'main', 'builtin']) {
mut mod_imported := false
for _, m in fit.imports {
if f.mod == m {
mod_imported = true
break
}
}
if !mod_imported { continue }
}
p := strings.dice_coefficient(n1, f.name)
if p > closest {
closest = p
closest_fn = n
closest_fn = f.name
}
}
return if closest >= min_match { closest_fn } else { '' }
@ -899,7 +910,7 @@ fn (table &Table) find_misspelled_imported_mod(name string, fit &FileImportTable
mut closest_mod := ''
for alias, mod in fit.imports {
n := '${fit.module_name}.$alias'
if !name.starts_with(fit.module_name) || (n.len - name.len > 3 || name.len - n.len > 3) { continue }
if !name.starts_with(fit.module_name) || (n.len - name.len > 2 || name.len - n.len > 2) { continue }
p := strings.dice_coefficient(name, n)
if p > closest {
closest = p