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Added eval package

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This commit is contained in:
Eduard Urbach 2025-02-27 19:45:18 +01:00
parent 891b4d9f90
commit 3d294eb35c
Signed by: eduard
GPG key ID: 49226B848C78F6C8
16 changed files with 274 additions and 148 deletions
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24
src/core/CompileCondition.go
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@ -1,8 +1,11 @@
package core
import (
"fmt"
"git.urbach.dev/cli/q/src/asm"
"git.urbach.dev/cli/q/src/errors"
"git.urbach.dev/cli/q/src/eval"
"git.urbach.dev/cli/q/src/expression"
"git.urbach.dev/cli/q/src/token"
"git.urbach.dev/cli/q/src/types"
@ -66,22 +69,29 @@ func (f *Function) CompileCondition(condition *expression.Expression, successLab
return err
case token.Call:
typ, err := f.CompileCall(condition)
value, err := f.Evaluate(condition)
if err != nil {
return err
}
if len(typ) == 0 {
return errors.New(errors.UntypedExpression, f.File, condition.Token.Position)
if !types.Is(value.Type, types.Bool) {
return errors.New(&errors.TypeMismatch{Encountered: value.Type.Name(), Expected: types.Bool.Name()}, f.File, condition.Token.Position)
}
if !types.Is(typ[0], types.Bool) {
return errors.New(&errors.TypeMismatch{Encountered: typ[0].Name(), Expected: types.Bool.Name()}, f.File, condition.Token.Position)
switch value.Kind {
case eval.Number:
if value.Number == 0 {
f.Jump(asm.JUMP, failLabel)
}
case eval.Register:
f.RegisterNumber(asm.COMPARE, value.Register, 0)
f.FreeRegister(value.Register)
f.Jump(asm.JE, failLabel)
default:
panic(fmt.Errorf("%s: not implemented: %d", f.UniqueName, value.Kind))
}
f.RegisterNumber(asm.COMPARE, f.CPU.Output[0], 0)
f.Jump(asm.JE, failLabel)
return nil
case token.Equal, token.NotEqual, token.Greater, token.Less, token.GreaterEqual, token.LessEqual: