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Revamp statement block optimization.

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This commit is contained in:
Stephen Chung
2021-03-13 23:43:05 +08:00
parent 58d28fb468
commit 4e3fdf6dab
2 changed files with 158 additions and 157 deletions
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8
tests/optimizer.rs
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@@ -55,7 +55,13 @@ fn test_optimizer_parse() -> Result<(), Box<EvalAltResult>> {
let ast = engine.compile("{ const DECISION = false; if DECISION { 42 } else { 123 } }")?;
assert!(format!("{:?}", ast).starts_with(r#"AST { source: None, body: [Block([Const(BoolConstant(false, 1:20), Ident("DECISION" @ 1:9), false, 1:3), Expr(IntegerConstant(123, 1:53))], 1:1)], functions: Module("#));
assert!(format!("{:?}", ast).starts_with(
r#"AST { source: None, body: [Expr(IntegerConstant(123, 1:53))], functions: Module("#
));
let ast = engine.compile("const DECISION = false; if DECISION { 42 } else { 123 }")?;
assert!(format!("{:?}", ast).starts_with(r#"AST { source: None, body: [Const(BoolConstant(false, 1:18), Ident("DECISION" @ 1:7), false, 1:1), Expr(IntegerConstant(123, 1:51))], functions: Module("#));
let ast = engine.compile("if 1 == 2 { 42 }")?;