cli/q
Code Issues 1 Pull Requests Activity

Improved type system checks

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This commit is contained in:
Eduard Urbach
2025-02-10 14:09:27 +01:00
parent b2a9dc3aa7
commit 371059d08a
9 changed files with 49 additions and 61 deletions
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10
src/core/CompileLen.go
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@ -4,17 +4,25 @@ import (
"math"
"git.akyoto.dev/cli/q/src/asm"
"git.akyoto.dev/cli/q/src/errors"
"git.akyoto.dev/cli/q/src/expression"
"git.akyoto.dev/cli/q/src/types"
)
var _len = Function{OutputTypes: []types.Type{types.Int}}
// CompileLen returns the length of a slice.
func (f *Function) CompileLen(root *expression.Expression) error {
_, register, isTemporary, err := f.Evaluate(root.Children[1])
typ, register, isTemporary, err := f.Evaluate(root.Children[1])
if err != nil {
return err
}
if !types.Is(typ, types.AnyArray) {
return errors.New(&errors.TypeMismatch{Encountered: typ.Name(), Expected: types.AnyArray.Name(), ParameterName: "array"}, f.File, root.Children[1].Token.Position)
}
f.SaveRegister(f.CPU.Output[0])
f.MemoryRegister(asm.LOAD, asm.Memory{Base: register, Offset: -8, OffsetRegister: math.MaxUint8, Length: 8}, f.CPU.Output[0])