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Initial implementation of lossy cast lints.

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Introduces 3 lints :
  cast_possible_overflow
  cast_precision_loss
  cast_sign_loss
Add a compile-test test case.
Fix errors spotted by dogfood script.
This commit is contained in:
R.Chavignat 2015-08-20 00:04:01 +02:00
parent 150840667e
commit 993239d33a
5 changed files with 223 additions and 51 deletions
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4
src/lib.rs
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@ -68,6 +68,7 @@ pub fn plugin_registrar(reg: &mut Registry) {
reg.register_lint_pass(box loops::LoopsPass as LintPassObject);
reg.register_lint_pass(box lifetimes::LifetimePass as LintPassObject);
reg.register_lint_pass(box ranges::StepByZero as LintPassObject);
reg.register_lint_pass(box types::CastPass as LintPassObject);
reg.register_lint_group("clippy", vec![
approx_const::APPROX_CONSTANT,
@ -104,6 +105,9 @@ pub fn plugin_registrar(reg: &mut Registry) {
strings::STRING_ADD,
strings::STRING_ADD_ASSIGN,
types::BOX_VEC,
types::CAST_POSSIBLE_OVERFLOW,
types::CAST_PRECISION_LOSS,
types::CAST_SIGN_LOSS,
types::LET_UNIT_VALUE,
types::LINKEDLIST,
types::UNIT_CMP,