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Implemented else blocks

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This commit is contained in:
Eduard Urbach 2024-07-30 16:36:33 +02:00
parent ff86dfe590
commit e537e543cc
Signed by: eduard
GPG key ID: 49226B848C78F6C8
17 changed files with 118 additions and 25 deletions
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37
src/build/core/CompileIf.go
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@ -3,15 +3,20 @@ package core
import (
"fmt"
"git.akyoto.dev/cli/q/src/build/asm"
"git.akyoto.dev/cli/q/src/build/ast"
)
// CompileIf compiles a branch instruction.
func (f *Function) CompileIf(branch *ast.If) error {
f.count.branch++
success := fmt.Sprintf("%s_if_%d_true", f.Name, f.count.branch)
fail := fmt.Sprintf("%s_if_%d_false", f.Name, f.count.branch)
err := f.CompileCondition(branch.Condition, success, fail)
var (
end string
success = fmt.Sprintf("%s_if_%d_true", f.Name, f.count.branch)
fail = fmt.Sprintf("%s_if_%d_false", f.Name, f.count.branch)
err = f.CompileCondition(branch.Condition, success, fail)
)
if err != nil {
return err
@ -20,7 +25,31 @@ func (f *Function) CompileIf(branch *ast.If) error {
f.AddLabel(success)
f.PushScope(branch.Body, f.File.Bytes)
err = f.CompileAST(branch.Body)
if err != nil {
return err
}
if branch.Else != nil {
end = fmt.Sprintf("%s_if_%d_end", f.Name, f.count.branch)
f.Jump(asm.JUMP, end)
}
f.PopScope()
f.AddLabel(fail)
return err
if branch.Else != nil {
f.PushScope(branch.Else, f.File.Bytes)
err = f.CompileAST(branch.Else)
if err != nil {
return err
}
f.PopScope()
f.AddLabel(end)
return nil
}
return nil
}