mirror of
https://github.com/zellyn/go6502.git
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29 lines
830 B
Go
29 lines
830 B
Go
package macros
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import (
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"github.com/zellyn/go6502/asm/flavors"
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"github.com/zellyn/go6502/asm/inst"
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"github.com/zellyn/go6502/asm/lines"
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)
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type M struct {
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Name string
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Args []string
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Lines []string
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Locals map[string]bool // labels that should be scoped to macro invocation
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}
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func (m M) LineSource(flavor flavors.F, in inst.I, macroCall int) (lines.LineSource, error) {
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var ls []string
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context := lines.Context{Filename: "macro:" + m.Name, Parent: in.Line, MacroCall: macroCall, MacroLocals: m.Locals}
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for _, line := range m.Lines {
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// TODO(zellyn): implement named macro args
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subbed, err := flavor.ReplaceMacroArgs(line, in.MacroArgs, nil)
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if err != nil {
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return nil, in.Errorf("error in macro %s: %v", m.Name, err)
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}
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ls = append(ls, subbed)
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}
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return lines.NewSimpleLineSource(context, ls, 0), nil
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}
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