79bee1a316
Uses `buildtag.Format` to format constraints in the assembly and stub file printers. This will ensure `// + build` and `//go:build` syntax are used consistent with the current Go version. Updates #183
51 lines
958 B
Go
51 lines
958 B
Go
package printer
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import (
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"github.com/mmcloughlin/avo/buildtags"
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"github.com/mmcloughlin/avo/internal/prnt"
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"github.com/mmcloughlin/avo/ir"
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)
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type stubs struct {
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cfg Config
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prnt.Generator
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}
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// NewStubs constructs a printer for writing stub function declarations.
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func NewStubs(cfg Config) Printer {
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return &stubs{cfg: cfg}
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}
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func (s *stubs) Print(f *ir.File) ([]byte, error) {
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s.Comment(s.cfg.GeneratedWarning())
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if len(f.Constraints) > 0 {
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constraints, err := buildtags.Format(f.Constraints)
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if err != nil {
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s.AddError(err)
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}
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s.NL()
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s.Printf(constraints)
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}
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s.NL()
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s.Printf("package %s\n", s.cfg.Pkg)
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for _, fn := range f.Functions() {
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s.NL()
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s.Comment(fn.Doc...)
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for _, pragma := range fn.Pragmas {
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s.pragma(pragma)
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}
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s.Printf("%s\n", fn.Stub())
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}
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return s.Result()
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}
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func (s *stubs) pragma(p ir.Pragma) {
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s.Printf("//go:%s", p.Directive)
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for _, arg := range p.Arguments {
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s.Printf(" %s", arg)
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}
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s.NL()
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}
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