Expressions now support function definition

This commit is contained in:
2024-04-02 04:36:03 +02:00
parent f58ec3ac32
commit 072dab4144
20 changed files with 376 additions and 143 deletions
+31 -25
View File
@@ -18,12 +18,6 @@ func TestParser(t *testing.T) {
wantErr error
}
// inputs1 := []inputType{
// {`a=5; a`, int64(5), nil},
// {`a=5; b=2; add(a, b*3)`, int64(11), nil},
// {`"a" < "b" AND ~ 2 == 1`, true, nil},
// }
inputs := []inputType{
/* 1 */ {`1+/*5*/2`, int64(3), nil},
/* 2 */ {`3 == 4`, false, nil},
@@ -66,10 +60,10 @@ func TestParser(t *testing.T) {
/* 39 */ {`(((1)))`, int64(1), nil},
/* 40 */ {`"uno_" + var2`, `uno_abc`, nil},
/* 41 */ {`0 || 0.0 && "hello"`, false, nil},
/* 42 */ {`"s" + true`, nil, errors.New(`left operand 's' [string] and right operand 'true' [bool] are not compatible with operator "+"`)},
/* 43 */ {`+false`, nil, errors.New(`prefix/postfix operator "+" do not support operand 'false' [bool]`)},
/* 42 */ {`"s" + true`, nil, errors.New(`[1:6] left operand 's' [string] and right operand 'true' [bool] are not compatible with operator "+"`)},
/* 43 */ {`+false`, nil, errors.New(`[1:2] prefix/postfix operator "+" do not support operand 'false' [bool]`)},
/* 44 */ {`false // very simple expression`, false, nil},
/* 45 */ {`1 + // Missing right operator`, nil, errors.New(`infix operator "+" requires two operands, got 1`)},
/* 45 */ {`1 + // Missing right operator`, nil, errors.New(`[1:4] infix operator "+" requires two operands, got 1`)},
/* 46 */ {"", nil, errors.New(`empty expression`)},
/* 47 */ {"4!", int64(24), nil},
/* 48 */ {"(-4)!", nil, errors.New(`factorial of a negative integer (-4) is not allowed`)},
@@ -84,18 +78,18 @@ func TestParser(t *testing.T) {
/* 57 */ {`"1.5" > "7"`, false, nil},
/* 58 */ {`"1.5" == "7"`, false, nil},
/* 59 */ {`"1.5" != "7"`, true, nil},
/* 60 */ {"1.5 < ", nil, errors.New(`infix operator "<" requires two operands, got 1`)},
/* 61 */ {"1.5 > ", nil, errors.New(`infix operator ">" requires two operands, got 1`)},
/* 62 */ {"1.5 <= ", nil, errors.New(`infix operator "<=" requires two operands, got 1`)},
/* 63 */ {"1.5 >= ", nil, errors.New(`infix operator ">=" requires two operands, got 1`)},
/* 64 */ {"1.5 != ", nil, errors.New(`infix operator "!=" requires two operands, got 1`)},
/* 65 */ {"1.5 == ", nil, errors.New(`infix operator "==" requires two operands, got 1`)},
/* 66 */ {`"1.5" < `, nil, errors.New(`infix operator "<" requires two operands, got 1`)},
/* 67 */ {`"1.5" > `, nil, errors.New(`infix operator ">" requires two operands, got 1`)},
/* 68 */ {`"1.5" == `, nil, errors.New(`infix operator "==" requires two operands, got 1`)},
/* 69 */ {`"1.5" != `, nil, errors.New(`infix operator "!=" requires two operands, got 1`)},
/* 60 */ {"1.5 < ", nil, errors.New(`[1:6] infix operator "<" requires two operands, got 1`)},
/* 61 */ {"1.5 > ", nil, errors.New(`[1:6] infix operator ">" requires two operands, got 1`)},
/* 62 */ {"1.5 <= ", nil, errors.New(`[1:6] infix operator "<=" requires two operands, got 1`)},
/* 63 */ {"1.5 >= ", nil, errors.New(`[1:6] infix operator ">=" requires two operands, got 1`)},
/* 64 */ {"1.5 != ", nil, errors.New(`[1:6] infix operator "!=" requires two operands, got 1`)},
/* 65 */ {"1.5 == ", nil, errors.New(`[1:6] infix operator "==" requires two operands, got 1`)},
/* 66 */ {`"1.5" < `, nil, errors.New(`[1:8] infix operator "<" requires two operands, got 1`)},
/* 67 */ {`"1.5" > `, nil, errors.New(`[1:8] infix operator ">" requires two operands, got 1`)},
/* 68 */ {`"1.5" == `, nil, errors.New(`[1:8] infix operator "==" requires two operands, got 1`)},
/* 69 */ {`"1.5" != `, nil, errors.New(`[1:8] infix operator "!=" requires two operands, got 1`)},
/* 70 */ {"+1.5", float64(1.5), nil},
/* 71 */ {"+", nil, errors.New(`prefix operator "+" requires one operand`)},
/* 71 */ {"+", nil, errors.New(`[1:2] prefix operator "+" requires one operand`)},
/* 72 */ {"4 / 0", nil, errors.New(`division by zero`)},
/* 73 */ {"4.0 / 0", nil, errors.New(`division by zero`)},
/* 74 */ {"4.0 / \n2", float64(2.0), nil},
@@ -109,7 +103,7 @@ func TestParser(t *testing.T) {
/* 82 */ {`5 % 2`, int64(1), nil},
/* 83 */ {`5 % (-2)`, int64(1), nil},
/* 84 */ {`-5 % 2`, int64(-1), nil},
/* 85 */ {`5 % 2.0`, nil, errors.New(`left operand '5' [int64] and right operand '2' [float64] are not compatible with operator "%"`)},
/* 85 */ {`5 % 2.0`, nil, errors.New(`[1:4] left operand '5' [int64] and right operand '2' [float64] are not compatible with operator "%"`)},
/* 86 */ {`"a" < "b" AND NOT (2 < 1)`, true, nil},
/* 87 */ {`"a" < "b" AND NOT (2 == 1)`, true, nil},
/* 88 */ {`"a" < "b" AND ~ 2 == 1`, true, nil},
@@ -129,12 +123,24 @@ func TestParser(t *testing.T) {
/* 102 */ {`a=5; a`, int64(5), nil},
/* 103 */ {`a=5; b=2; add(a, b*3)`, int64(11), nil},
/* 104 */ {`2=5`, nil, errors.New(`assign operator ("=") must be preceded by a variable`)},
/* 105 */ {`2+a=5`, nil, errors.New(`left operand of "=" must be a variable`)},
/* 105 */ {`2+a=5`, nil, errors.New(`[1:3] left operand of "=" must be a variable`)},
/* 106 */ {`2+(a=5)`, int64(7), nil},
/* 107 */ {`two=func(){2}; two()`, int64(2), nil},
/* 108 */ {`double=func(x) {2*x}; (double(3))`, int64(6), nil},
/* 109 */ {`double=func(x){2*x}; double(3)`, int64(6), nil},
/* 110 */ {`double=func(x){2*x}; a=5; double(3+a) + 1`, int64(17), nil},
/* 111 */ {`double=func(x){2*x}; a=5; two=func() {2}; (double(3+a) + 1) * two()`, int64(34), nil},
}
succeeded := 0
failed := 0
// inputs1 := []inputType{
// {`add(1,2,3)`, int64(6), nil},
// {`a=5; a`, int64(5), nil},
// {`a=5; b=2; add(a, b*3)`, int64(11), nil},
// {`"a" < "b" AND ~ 2 == 1`, true, nil},
// }
for i, input := range inputs {
var expr *ast
var gotResult any
@@ -153,7 +159,7 @@ func TestParser(t *testing.T) {
good := true
if expr, gotErr = parser.parse(scanner); gotErr == nil {
gotResult, gotErr = expr.Eval(ctx)
gotResult, gotErr = expr.Eval(ctx, true)
}
if gotResult != input.wantResult {
@@ -177,7 +183,7 @@ func TestParser(t *testing.T) {
t.Log(fmt.Sprintf("test count: %d, succeeded count: %d, failed count: %d", len(inputs), succeeded, failed))
}
func NoTestListParser(t *testing.T) {
func TestListParser(t *testing.T) {
type inputType struct {
source string
wantResult any
@@ -227,7 +233,7 @@ func NoTestListParser(t *testing.T) {
good := true
if expr, gotErr = parser.parse(scanner); gotErr == nil {
gotResult, gotErr = expr.Eval(ctx)
gotResult, gotErr = expr.Eval(ctx, true)
}
if (gotResult == nil && input.wantResult != nil) || (gotResult != nil && input.wantResult == nil) {