53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package gen
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import (
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"sources.truenas.cloud/code/avo/internal/api"
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"sources.truenas.cloud/code/avo/internal/inst"
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"sources.truenas.cloud/code/avo/internal/prnt"
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"sources.truenas.cloud/code/avo/printer"
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)
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type ctors struct {
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cfg printer.Config
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prnt.Generator
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}
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// NewCtors will build instruction constructors. Each constructor delegates to
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// the optab-based instruction builder, providing it with a candidate list of
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// forms to match against.
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func NewCtors(cfg printer.Config) Interface {
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return GoFmt(&ctors{cfg: cfg})
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}
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func (c *ctors) Generate(is []inst.Instruction) ([]byte, error) {
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c.Printf("// %s\n\n", c.cfg.GeneratedWarning())
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c.Printf("package x86\n\n")
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c.Printf("import (\n")
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c.Printf("\tintrep %q\n", api.ImportPath(api.IRPackage))
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c.Printf("\t%q\n", api.ImportPath(api.OperandPackage))
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c.Printf(")\n\n")
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fns := api.InstructionsFunctions(is)
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table := NewTable(is)
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for _, fn := range fns {
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c.function(fn, table)
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}
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return c.Result()
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}
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func (c *ctors) function(fn *api.Function, table *Table) {
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c.Comment(fn.Doc()...)
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s := fn.Signature()
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c.Printf("func %s(%s) (*intrep.Instruction, error) {\n", fn.Name(), s.ParameterList())
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c.Printf(
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"return build(%s.Forms(), %s, %s)\n",
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table.OpcodeConst(fn.Instruction.Opcode),
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table.SuffixesConst(fn.Suffixes),
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s.ParameterSlice(),
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)
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c.Printf("}\n\n")
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}
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