426 lines
9.9 KiB
Go
426 lines
9.9 KiB
Go
package commands
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import (
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"strings"
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"testing"
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"c65gm/internal/compiler"
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"c65gm/internal/preproc"
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)
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func TestOrCommand_WillHandle(t *testing.T) {
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cmd := &OrCommand{}
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tests := []struct {
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name string
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line string
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want bool
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}{
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{"old syntax WITH/GIVING", "OR a WITH b GIVING c", true},
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{"old syntax WITH/arrow", "OR a WITH b -> c", true},
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{"new syntax", "result = x | y", true},
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{"not OR", "ADD a TO b GIVING c", false},
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{"wrong param count", "OR a b c", false},
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{"empty", "", false},
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{"new syntax wrong op", "result = x + y", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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line := preproc.Line{Text: tt.line, Kind: preproc.Source}
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got := cmd.WillHandle(line)
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if got != tt.want {
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t.Errorf("WillHandle() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestOrCommand_OldSyntax(t *testing.T) {
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tests := []struct {
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name string
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line string
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setupVars func(*compiler.SymbolTable)
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wantAsm []string
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wantErr bool
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}{
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{
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name: "byte OR byte -> byte (variables)",
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line: "OR a WITH b GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0xF0)
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st.AddVar("b", "", compiler.KindByte, 0x0F)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora b",
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"\tsta result",
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},
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},
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{
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name: "byte OR byte -> word",
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line: "OR a WITH b GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0xF0)
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st.AddVar("b", "", compiler.KindByte, 0x0F)
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st.AddVar("result", "", compiler.KindWord, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora b",
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"\tsta result",
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"\tlda #0",
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"\tora #0",
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"\tsta result+1",
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},
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},
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{
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name: "word OR word -> word",
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line: "OR x WITH y GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("x", "", compiler.KindWord, 0x1234)
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st.AddVar("y", "", compiler.KindWord, 0x0F0F)
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st.AddVar("result", "", compiler.KindWord, 0)
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},
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wantAsm: []string{
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"\tlda x",
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"\tora y",
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"\tsta result",
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"\tlda x+1",
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"\tora y+1",
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"\tsta result+1",
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},
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},
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{
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name: "byte OR literal -> byte",
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line: "OR a WITH $0F GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0xF0)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora #$0f",
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"\tsta result",
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},
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},
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{
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name: "literal OR byte -> byte",
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line: "OR 15 WITH b GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("b", "", compiler.KindByte, 0xF0)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda #$0f",
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"\tora b",
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"\tsta result",
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},
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},
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{
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name: "constant folding: 15 OR 240 -> byte",
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line: "OR 15 WITH 240 GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda #$ff",
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"\tsta result",
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},
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},
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{
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name: "constant folding: $00F0 OR $0F00 -> word",
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line: "OR $00F0 WITH $0F00 GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("result", "", compiler.KindWord, 0)
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},
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wantAsm: []string{
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"\tlda #$f0",
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"\tsta result",
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"\tlda #$0f",
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"\tsta result+1",
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},
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},
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{
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name: "arrow syntax",
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line: "OR a WITH b -> result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0)
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st.AddVar("b", "", compiler.KindByte, 0)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora b",
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"\tsta result",
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},
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},
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{
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name: "word OR byte -> byte",
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line: "OR wval WITH bval GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("wval", "", compiler.KindWord, 0x1234)
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st.AddVar("bval", "", compiler.KindByte, 0x0F)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda wval",
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"\tora bval",
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"\tsta result",
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},
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},
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{
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name: "word OR byte -> word",
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line: "OR wval WITH bval GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("wval", "", compiler.KindWord, 0x1234)
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st.AddVar("bval", "", compiler.KindByte, 0x0F)
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st.AddVar("result", "", compiler.KindWord, 0)
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},
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wantAsm: []string{
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"\tlda wval",
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"\tora bval",
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"\tsta result",
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"\tlda wval+1",
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"\tora #0",
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"\tsta result+1",
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},
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},
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{
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name: "error: unknown destination variable",
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line: "OR a WITH b GIVING unknown",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0)
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st.AddVar("b", "", compiler.KindByte, 0)
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},
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wantErr: true,
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},
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{
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name: "error: wrong separator",
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line: "OR a TO b GIVING result",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0)
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st.AddVar("b", "", compiler.KindByte, 0)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantErr: true,
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},
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{
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name: "error: cannot assign to constant",
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line: "OR a WITH b GIVING MAXVAL",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0)
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st.AddVar("b", "", compiler.KindByte, 0)
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st.AddConst("MAXVAL", "", compiler.KindByte, 255)
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},
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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ctx := compiler.NewCompilerContext(&preproc.Pragma{})
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tt.setupVars(ctx.SymbolTable)
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cmd := &OrCommand{}
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line := preproc.Line{Text: tt.line, Kind: preproc.Source}
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err := cmd.Interpret(line, ctx)
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if tt.wantErr {
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if err == nil {
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t.Error("expected error, got nil")
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}
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return
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}
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if err != nil {
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t.Fatalf("Interpret() error = %v", err)
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}
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asm, err := cmd.Generate(ctx)
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if err != nil {
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t.Fatalf("Generate() error = %v", err)
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}
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if !equalAsmOr(asm, tt.wantAsm) {
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t.Errorf("Generate() mismatch\ngot:\n%s\nwant:\n%s",
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strings.Join(asm, "\n"),
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strings.Join(tt.wantAsm, "\n"))
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}
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})
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}
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}
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func TestOrCommand_NewSyntax(t *testing.T) {
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tests := []struct {
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name string
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line string
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setupVars func(*compiler.SymbolTable)
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wantAsm []string
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wantErr bool
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}{
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{
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name: "byte | byte -> byte",
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line: "result = a | b",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0xF0)
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st.AddVar("b", "", compiler.KindByte, 0x0F)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora b",
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"\tsta result",
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},
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},
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{
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name: "byte | byte -> word",
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line: "result = a | b",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0xF0)
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st.AddVar("b", "", compiler.KindByte, 0x0F)
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st.AddVar("result", "", compiler.KindWord, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora b",
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"\tsta result",
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"\tlda #0",
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"\tora #0",
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"\tsta result+1",
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},
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},
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{
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name: "word | word -> word",
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line: "result = x | y",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("x", "", compiler.KindWord, 0x1234)
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st.AddVar("y", "", compiler.KindWord, 0x0F0F)
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st.AddVar("result", "", compiler.KindWord, 0)
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},
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wantAsm: []string{
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"\tlda x",
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"\tora y",
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"\tsta result",
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"\tlda x+1",
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"\tora y+1",
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"\tsta result+1",
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},
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},
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{
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name: "variable | literal",
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line: "result = a | $0F",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0xF0)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora #$0f",
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"\tsta result",
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},
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},
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{
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name: "constant folding",
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line: "result = 15 | 240",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda #$ff",
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"\tsta result",
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},
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},
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{
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name: "constant folding word",
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line: "result = $00F0 | $0F00",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("result", "", compiler.KindWord, 0)
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},
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wantAsm: []string{
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"\tlda #$f0",
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"\tsta result",
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"\tlda #$0f",
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"\tsta result+1",
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},
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},
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{
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name: "using constant in expression",
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line: "result = a | BITS",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0xF0)
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st.AddConst("BITS", "", compiler.KindByte, 0x0F)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantAsm: []string{
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"\tlda a",
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"\tora #$0f",
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"\tsta result",
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},
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},
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{
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name: "error: unknown destination",
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line: "unknown = a | b",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0)
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st.AddVar("b", "", compiler.KindByte, 0)
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},
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wantErr: true,
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},
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{
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name: "error: wrong operator",
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line: "result = a + b",
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setupVars: func(st *compiler.SymbolTable) {
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st.AddVar("a", "", compiler.KindByte, 0)
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st.AddVar("b", "", compiler.KindByte, 0)
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st.AddVar("result", "", compiler.KindByte, 0)
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},
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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ctx := compiler.NewCompilerContext(&preproc.Pragma{})
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tt.setupVars(ctx.SymbolTable)
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cmd := &OrCommand{}
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line := preproc.Line{Text: tt.line, Kind: preproc.Source}
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err := cmd.Interpret(line, ctx)
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if tt.wantErr {
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if err == nil {
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t.Error("expected error, got nil")
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}
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return
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}
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if err != nil {
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t.Fatalf("Interpret() error = %v", err)
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}
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asm, err := cmd.Generate(ctx)
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if err != nil {
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t.Fatalf("Generate() error = %v", err)
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}
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if !equalAsmOr(asm, tt.wantAsm) {
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t.Errorf("Generate() mismatch\ngot:\n%s\nwant:\n%s",
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strings.Join(asm, "\n"),
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strings.Join(tt.wantAsm, "\n"))
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}
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})
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}
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}
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// equalAsmOr compares two assembly slices for equality
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func equalAsmOr(a, b []string) bool {
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if len(a) != len(b) {
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return false
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}
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for i := range a {
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if a[i] != b[i] {
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return false
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}
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}
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return true
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}
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