tinc-build 0.2.1

A build script that generates code for tinc protobuf annotations
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use super::Function;
use crate::codegen::cel::compiler::{CompileError, CompiledExpr, CompilerCtx};

#[derive(Debug, Clone, Default)]
pub(crate) struct Bool;

impl Function for Bool {
    fn name(&self) -> &'static str {
        "bool"
    }

    fn syntax(&self) -> &'static str {
        "<this>.bool()"
    }

    fn compile(&self, mut ctx: CompilerCtx) -> Result<CompiledExpr, CompileError> {
        let Some(this) = ctx.this.take() else {
            return Err(CompileError::syntax("missing this", self));
        };

        if !ctx.args.is_empty() {
            return Err(CompileError::syntax("takes no arguments", self));
        }

        Ok(this.into_bool(&ctx))
    }
}

#[cfg(test)]
#[cfg(feature = "prost")]
#[cfg_attr(coverage_nightly, coverage(off))]
mod tests {
    use tinc_cel::CelValue;

    use crate::codegen::cel::compiler::{CompiledExpr, Compiler, CompilerCtx};
    use crate::codegen::cel::functions::{Bool, Function};
    use crate::extern_paths::ExternPaths;
    use crate::path_set::PathSet;
    use crate::types::ProtoTypeRegistry;

    #[test]
    fn test_bool_syntax() {
        let registry = ProtoTypeRegistry::new(crate::Mode::Prost, ExternPaths::new(crate::Mode::Prost), PathSet::default());
        let compiler = Compiler::new(&registry);
        insta::assert_debug_snapshot!(Bool.compile(CompilerCtx::new(compiler.child(), None, &[])), @r#"
        Err(
            InvalidSyntax {
                message: "missing this",
                syntax: "<this>.bool()",
            },
        )
        "#);

        insta::assert_debug_snapshot!(Bool.compile(CompilerCtx::new(compiler.child(), Some(CompiledExpr::constant(CelValue::List(Default::default()))), &[])), @r"
        Ok(
            Constant(
                ConstantCompiledExpr {
                    value: Bool(
                        false,
                    ),
                },
            ),
        )
        ");

        insta::assert_debug_snapshot!(Bool.compile(CompilerCtx::new(compiler.child(), Some(CompiledExpr::constant(CelValue::List(Default::default()))), &[
            cel_parser::parse("1 + 1").unwrap(), // not an ident
        ])), @r#"
        Err(
            InvalidSyntax {
                message: "takes no arguments",
                syntax: "<this>.bool()",
            },
        )
        "#);
    }
}