720 lines
19 KiB
Go
720 lines
19 KiB
Go
package commands
|
|
|
|
import (
|
|
"strings"
|
|
"testing"
|
|
|
|
"c65gm/internal/compiler"
|
|
"c65gm/internal/preproc"
|
|
)
|
|
|
|
func TestAddCommand_WillHandle(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
text string
|
|
want bool
|
|
}{
|
|
// Old syntax
|
|
{"old syntax with TO/GIVING", "ADD a TO b GIVING c", true},
|
|
{"old syntax with +/->", "ADD a + b -> c", true},
|
|
{"old syntax mixed case", "add x to y giving z", true},
|
|
|
|
// New syntax
|
|
{"new syntax basic", "result = a + b", true},
|
|
{"new syntax with literals", "x = 10 + 20", true},
|
|
|
|
// Should not handle
|
|
{"not add - subtract", "result = a - b", false},
|
|
{"not add - multiply", "result = a * b", false},
|
|
{"not add - wrong params", "ADD a b c", false},
|
|
{"empty", "", false},
|
|
{"just ADD", "ADD", false},
|
|
{"assignment without add", "x = y", false},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
cmd := &AddCommand{}
|
|
line := preproc.Line{Text: tt.text}
|
|
if got := cmd.WillHandle(line); got != tt.want {
|
|
t.Errorf("WillHandle() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAddCommand_Interpret_OldSyntax(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
setup func(*compiler.CompilerContext)
|
|
text string
|
|
wantErr bool
|
|
check func(*testing.T, *AddCommand)
|
|
}{
|
|
{
|
|
name: "byte + byte -> byte",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD a TO b GIVING c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if !cmd.param1IsVar || cmd.param1VarName != "a" {
|
|
t.Errorf("param1 should be var 'a'")
|
|
}
|
|
if !cmd.param2IsVar || cmd.param2VarName != "b" {
|
|
t.Errorf("param2 should be var 'b'")
|
|
}
|
|
if cmd.destVarName != "c" || cmd.destVarKind != compiler.KindByte {
|
|
t.Errorf("dest should be byte 'c'")
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "word + word -> word",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("x", "", compiler.KindWord, 1000)
|
|
ctx.SymbolTable.AddVar("y", "", compiler.KindWord, 2000)
|
|
ctx.SymbolTable.AddVar("z", "", compiler.KindWord, 0)
|
|
},
|
|
text: "ADD x TO y GIVING z",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.destVarKind != compiler.KindWord {
|
|
t.Errorf("dest should be word")
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "byte + word -> word",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindWord, 1000)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindWord, 0)
|
|
},
|
|
text: "ADD a TO b GIVING c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param1VarKind != compiler.KindByte {
|
|
t.Errorf("param1 should be byte")
|
|
}
|
|
if cmd.param2VarKind != compiler.KindWord {
|
|
t.Errorf("param2 should be word")
|
|
}
|
|
if cmd.destVarKind != compiler.KindWord {
|
|
t.Errorf("dest should be word")
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "literal + var -> var",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD 10 TO b GIVING c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param1IsVar {
|
|
t.Errorf("param1 should be literal")
|
|
}
|
|
if cmd.param1Value != 10 {
|
|
t.Errorf("param1 value = %d, want 10", cmd.param1Value)
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "var + literal -> var",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD a TO 20 GIVING c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param2IsVar {
|
|
t.Errorf("param2 should be literal")
|
|
}
|
|
if cmd.param2Value != 20 {
|
|
t.Errorf("param2 value = %d, want 20", cmd.param2Value)
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "literal + literal -> var",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD 15 TO 25 GIVING c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param1IsVar || cmd.param2IsVar {
|
|
t.Errorf("both params should be literals")
|
|
}
|
|
if cmd.param1Value != 15 || cmd.param2Value != 25 {
|
|
t.Errorf("param values = %d, %d, want 15, 25", cmd.param1Value, cmd.param2Value)
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "hex literal",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD $10 TO $20 GIVING c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param1Value != 0x10 || cmd.param2Value != 0x20 {
|
|
t.Errorf("param values = %d, %d, want 16, 32", cmd.param1Value, cmd.param2Value)
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "constant usage",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddConst("MAX", "", compiler.KindByte, 100)
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD MAX TO a GIVING c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param1IsVar {
|
|
t.Errorf("param1 should be literal (constant inlined), got isVar=true")
|
|
}
|
|
if cmd.param1Value != 100 {
|
|
t.Errorf("param1 value = %d, want 100", cmd.param1Value)
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "alternative syntax +/->",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD a + b -> c",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.destVarName != "c" {
|
|
t.Errorf("dest should be c")
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "unknown variable",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
},
|
|
text: "ADD a TO b GIVING c",
|
|
wantErr: true,
|
|
},
|
|
{
|
|
name: "assign to constant",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddConst("MAX", "", compiler.KindByte, 100)
|
|
},
|
|
text: "ADD a TO b GIVING MAX",
|
|
wantErr: true,
|
|
},
|
|
{
|
|
name: "wrong parameter count",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
},
|
|
text: "ADD a TO b",
|
|
wantErr: true,
|
|
},
|
|
{
|
|
name: "wrong separator #3",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD a AND b GIVING c",
|
|
wantErr: true,
|
|
},
|
|
{
|
|
name: "wrong separator #5",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD a TO b INTO c",
|
|
wantErr: true,
|
|
},
|
|
{
|
|
name: "invalid expression",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("c", "", compiler.KindByte, 0)
|
|
},
|
|
text: "ADD @#$% TO 10 GIVING c",
|
|
wantErr: true,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
ctx := compiler.NewCompilerContext(preproc.NewPragma())
|
|
if tt.setup != nil {
|
|
tt.setup(ctx)
|
|
}
|
|
|
|
cmd := &AddCommand{}
|
|
line := preproc.Line{Text: tt.text}
|
|
|
|
err := cmd.Interpret(line, ctx)
|
|
|
|
if (err != nil) != tt.wantErr {
|
|
t.Errorf("Interpret() error = %v, wantErr %v", err, tt.wantErr)
|
|
return
|
|
}
|
|
|
|
if !tt.wantErr && tt.check != nil {
|
|
tt.check(t, cmd)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAddCommand_Interpret_NewSyntax(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
setup func(*compiler.CompilerContext)
|
|
text string
|
|
wantErr bool
|
|
check func(*testing.T, *AddCommand)
|
|
}{
|
|
{
|
|
name: "dest = var1 + var2",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
},
|
|
text: "result = a + b",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.destVarName != "result" {
|
|
t.Errorf("dest = %q, want 'result'", cmd.destVarName)
|
|
}
|
|
if !cmd.param1IsVar || cmd.param1VarName != "a" {
|
|
t.Errorf("param1 should be var 'a'")
|
|
}
|
|
if !cmd.param2IsVar || cmd.param2VarName != "b" {
|
|
t.Errorf("param2 should be var 'b'")
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "dest = literal + var",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("x", "", compiler.KindByte, 5)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
},
|
|
text: "result = 100 + x",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param1IsVar {
|
|
t.Errorf("param1 should be literal")
|
|
}
|
|
if cmd.param1Value != 100 {
|
|
t.Errorf("param1 = %d, want 100", cmd.param1Value)
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "dest = var + literal",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("x", "", compiler.KindByte, 5)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
},
|
|
text: "result = x + 50",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param2IsVar {
|
|
t.Errorf("param2 should be literal")
|
|
}
|
|
if cmd.param2Value != 50 {
|
|
t.Errorf("param2 = %d, want 50", cmd.param2Value)
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "dest = literal + literal",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
},
|
|
text: "result = 30 + 70",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.param1IsVar || cmd.param2IsVar {
|
|
t.Errorf("both params should be literals")
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "word destination",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindWord, 1000)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindWord, 2000)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindWord, 0)
|
|
},
|
|
text: "result = a + b",
|
|
wantErr: false,
|
|
check: func(t *testing.T, cmd *AddCommand) {
|
|
if cmd.destVarKind != compiler.KindWord {
|
|
t.Errorf("dest should be word")
|
|
}
|
|
},
|
|
},
|
|
{
|
|
name: "unknown dest variable",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
},
|
|
text: "result = a + b",
|
|
wantErr: true,
|
|
},
|
|
{
|
|
name: "assign to constant",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddConst("MAX", "", compiler.KindByte, 100)
|
|
},
|
|
text: "MAX = a + b",
|
|
wantErr: true,
|
|
},
|
|
{
|
|
name: "wrong operator (not +)",
|
|
setup: func(ctx *compiler.CompilerContext) {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
},
|
|
text: "result = a - b",
|
|
wantErr: true,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
ctx := compiler.NewCompilerContext(preproc.NewPragma())
|
|
if tt.setup != nil {
|
|
tt.setup(ctx)
|
|
}
|
|
|
|
cmd := &AddCommand{}
|
|
line := preproc.Line{Text: tt.text}
|
|
|
|
err := cmd.Interpret(line, ctx)
|
|
|
|
if (err != nil) != tt.wantErr {
|
|
t.Errorf("Interpret() error = %v, wantErr %v", err, tt.wantErr)
|
|
return
|
|
}
|
|
|
|
if !tt.wantErr && tt.check != nil {
|
|
tt.check(t, cmd)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAddCommand_Generate(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
setup func(*compiler.CompilerContext) *AddCommand
|
|
wantLines []string
|
|
}{
|
|
{
|
|
name: "constant folding - both literals to byte",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
return &AddCommand{
|
|
param1IsVar: false,
|
|
param1Value: 10,
|
|
param2IsVar: false,
|
|
param2Value: 20,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindByte,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tlda #$1e",
|
|
"\tsta result",
|
|
},
|
|
},
|
|
{
|
|
name: "constant folding - both literals to word",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindWord, 0)
|
|
return &AddCommand{
|
|
param1IsVar: false,
|
|
param1Value: 100,
|
|
param2IsVar: false,
|
|
param2Value: 200,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindWord,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tlda #$2c",
|
|
"\tsta result",
|
|
"\tlda #$01",
|
|
"\tsta result+1",
|
|
},
|
|
},
|
|
{
|
|
name: "constant folding with overflow",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindWord, 0)
|
|
return &AddCommand{
|
|
param1IsVar: false,
|
|
param1Value: 200,
|
|
param2IsVar: false,
|
|
param2Value: 100,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindWord,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tlda #$2c",
|
|
"\tsta result",
|
|
"\tlda #$01",
|
|
"\tsta result+1",
|
|
},
|
|
},
|
|
{
|
|
name: "byte + byte -> byte",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
return &AddCommand{
|
|
param1IsVar: true,
|
|
param1VarName: "a",
|
|
param1VarKind: compiler.KindByte,
|
|
param2IsVar: true,
|
|
param2VarName: "b",
|
|
param2VarKind: compiler.KindByte,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindByte,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tclc",
|
|
"\tlda a",
|
|
"\tadc b",
|
|
"\tsta result",
|
|
},
|
|
},
|
|
{
|
|
name: "word + word -> word",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("x", "", compiler.KindWord, 1000)
|
|
ctx.SymbolTable.AddVar("y", "", compiler.KindWord, 2000)
|
|
ctx.SymbolTable.AddVar("z", "", compiler.KindWord, 0)
|
|
return &AddCommand{
|
|
param1IsVar: true,
|
|
param1VarName: "x",
|
|
param1VarKind: compiler.KindWord,
|
|
param2IsVar: true,
|
|
param2VarName: "y",
|
|
param2VarKind: compiler.KindWord,
|
|
destVarName: "z",
|
|
destVarKind: compiler.KindWord,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tclc",
|
|
"\tlda x",
|
|
"\tadc y",
|
|
"\tsta z",
|
|
"\tlda x+1",
|
|
"\tadc y+1",
|
|
"\tsta z+1",
|
|
},
|
|
},
|
|
{
|
|
name: "byte + word -> word",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("w", "", compiler.KindWord, 1000)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindWord, 0)
|
|
return &AddCommand{
|
|
param1IsVar: true,
|
|
param1VarName: "a",
|
|
param1VarKind: compiler.KindByte,
|
|
param2IsVar: true,
|
|
param2VarName: "w",
|
|
param2VarKind: compiler.KindWord,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindWord,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tclc",
|
|
"\tlda a",
|
|
"\tadc w",
|
|
"\tsta result",
|
|
"\tlda #0",
|
|
"\tadc w+1",
|
|
"\tsta result+1",
|
|
},
|
|
},
|
|
{
|
|
name: "literal + var -> byte",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
return &AddCommand{
|
|
param1IsVar: false,
|
|
param1Value: 5,
|
|
param2IsVar: true,
|
|
param2VarName: "a",
|
|
param2VarKind: compiler.KindByte,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindByte,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tclc",
|
|
"\tlda #$05",
|
|
"\tadc a",
|
|
"\tsta result",
|
|
},
|
|
},
|
|
{
|
|
name: "var + literal -> word",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("w", "", compiler.KindWord, 1000)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindWord, 0)
|
|
return &AddCommand{
|
|
param1IsVar: true,
|
|
param1VarName: "w",
|
|
param1VarKind: compiler.KindWord,
|
|
param2IsVar: false,
|
|
param2Value: 300,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindWord,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tclc",
|
|
"\tlda w",
|
|
"\tadc #$2c",
|
|
"\tsta result",
|
|
"\tlda w+1",
|
|
"\tadc #$01",
|
|
"\tsta result+1",
|
|
},
|
|
},
|
|
{
|
|
name: "byte + byte -> word (promotion)",
|
|
setup: func(ctx *compiler.CompilerContext) *AddCommand {
|
|
ctx.SymbolTable.AddVar("a", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("b", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindWord, 0)
|
|
return &AddCommand{
|
|
param1IsVar: true,
|
|
param1VarName: "a",
|
|
param1VarKind: compiler.KindByte,
|
|
param2IsVar: true,
|
|
param2VarName: "b",
|
|
param2VarKind: compiler.KindByte,
|
|
destVarName: "result",
|
|
destVarKind: compiler.KindWord,
|
|
}
|
|
},
|
|
wantLines: []string{
|
|
"\tclc",
|
|
"\tlda a",
|
|
"\tadc b",
|
|
"\tsta result",
|
|
"\tlda #0",
|
|
"\tadc #0",
|
|
"\tsta result+1",
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
ctx := compiler.NewCompilerContext(preproc.NewPragma())
|
|
cmd := tt.setup(ctx)
|
|
|
|
got, err := cmd.Generate(ctx)
|
|
if err != nil {
|
|
t.Fatalf("Generate() error = %v", err)
|
|
}
|
|
|
|
if len(got) != len(tt.wantLines) {
|
|
t.Errorf("Generate() got %d lines, want %d lines\nGot:\n%s\nWant:\n%s",
|
|
len(got), len(tt.wantLines),
|
|
strings.Join(got, "\n"), strings.Join(tt.wantLines, "\n"))
|
|
return
|
|
}
|
|
|
|
for i := range got {
|
|
if got[i] != tt.wantLines[i] {
|
|
t.Errorf("Line %d:\ngot: %q\nwant: %q", i, got[i], tt.wantLines[i])
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAddCommand_Scopes(t *testing.T) {
|
|
ctx := compiler.NewCompilerContext(preproc.NewPragma())
|
|
|
|
// Global variables
|
|
ctx.SymbolTable.AddVar("globalA", "", compiler.KindByte, 10)
|
|
ctx.SymbolTable.AddVar("globalB", "", compiler.KindByte, 20)
|
|
ctx.SymbolTable.AddVar("result", "", compiler.KindByte, 0)
|
|
|
|
// Simulate function declaration to enter scope
|
|
line := preproc.Line{Text: "FUNC myFunc"}
|
|
_, err := ctx.FunctionHandler.HandleFuncDecl(line)
|
|
if err != nil {
|
|
t.Fatalf("HandleFuncDecl() error = %v", err)
|
|
}
|
|
|
|
// Function scope variables
|
|
ctx.SymbolTable.AddVar("localA", "myFunc", compiler.KindByte, 5)
|
|
ctx.SymbolTable.AddVar("localB", "myFunc", compiler.KindByte, 15)
|
|
|
|
// Test local variables
|
|
cmd := &AddCommand{}
|
|
cmdLine := preproc.Line{Text: "result = localA + localB"}
|
|
if err := cmd.Interpret(cmdLine, ctx); err != nil {
|
|
t.Fatalf("Interpret() error = %v", err)
|
|
}
|
|
|
|
if cmd.param1VarName != "myFunc_localA" {
|
|
t.Errorf("param1 = %q, want 'myFunc_localA'", cmd.param1VarName)
|
|
}
|
|
if cmd.param2VarName != "myFunc_localB" {
|
|
t.Errorf("param2 = %q, want 'myFunc_localB'", cmd.param2VarName)
|
|
}
|
|
|
|
// Test global variables while in function scope
|
|
cmd2 := &AddCommand{}
|
|
cmdLine2 := preproc.Line{Text: "result = globalA + globalB"}
|
|
if err := cmd2.Interpret(cmdLine2, ctx); err != nil {
|
|
t.Fatalf("Interpret() error = %v", err)
|
|
}
|
|
|
|
if cmd2.param1VarName != "globalA" {
|
|
t.Errorf("param1 = %q, want 'globalA'", cmd2.param1VarName)
|
|
}
|
|
}
|