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lang: funcs: Add math pow function and a few examples

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Just a few small things I think should be committed.
This commit is contained in:
James Shubin
2018-02-25 19:09:21 -05:00
parent 6370f0cb95
commit df1e50e599
8 changed files with 98 additions and 29 deletions
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52
lang/lexparse_test.go
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@@ -80,7 +80,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "bad escaping",
code: `
test "n1" {
test "t1" {
str => "he\ llo", # incorrect escaping
}
`,
@@ -91,7 +91,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "int overflow",
code: `
test "n1" {
test "t1" {
int => 888888888888888888888888, # overflows
}
`,
@@ -102,7 +102,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "overflow after lexer",
code: `
test "n1" {
test "t1" {
uint8 => 128, # does not overflow at lexer stage
}
`,
@@ -114,7 +114,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "one res",
code: `
test "n1" {
test "t1" {
int16 => 01134, # some comment
}
`,
@@ -262,7 +262,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "res with floats",
code: `
test "n1" {
test "t1" {
float32 => -25.38789, # some float
float64 => 53.393908945, # some float
}
@@ -279,7 +279,7 @@ func TestLexParse0(t *testing.T) {
// values = append(values, test{
// name: "overflowing float",
// code: `
// test "n1" {
// test "t1" {
// float32 => -457643875645764387564578645457864525457643875645764387564578645457864525.457643875645764387564578645457864525387899898753459879587574928798759863965, # overflow
// }
// `,
@@ -290,7 +290,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "res and addition",
code: `
test "n1" {
test "t1" {
float32 => -25.38789 + 32.6,
}
`,
@@ -304,7 +304,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -331,7 +331,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "addition",
code: `
test "n1" {
test "t1" {
int64ptr => 13 + 42,
}
`,
@@ -345,7 +345,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -383,7 +383,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "multiple float addition",
code: `
test "n1" {
test "t1" {
float32 => -25.38789 + 32.6 + 13.7,
}
`,
@@ -397,7 +397,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -435,7 +435,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "order of operations lucky",
code: `
test "n1" {
test "t1" {
int64ptr => 4 + 3 * 12, # 40, not 84
}
`,
@@ -449,7 +449,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -487,7 +487,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "order of operations needs left precedence",
code: `
test "n1" {
test "t1" {
int64ptr => 3 * 12 + 4, # 40, not 48
}
`,
@@ -501,7 +501,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -539,7 +539,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "order of operations parens",
code: `
test "n1" {
test "t1" {
int64ptr => 3 * (12 + 4), # 48, not 40
}
`,
@@ -553,7 +553,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -591,7 +591,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "order of operations bools",
code: `
test "n1" {
test "t1" {
boolptr => 3 + 4 > 5, # should be true
}
`,
@@ -605,7 +605,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -643,7 +643,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "order of operations bools reversed",
code: `
test "n1" {
test "t1" {
boolptr => 3 > 4 + 5, # should be false
}
`,
@@ -657,7 +657,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -692,7 +692,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "order of operations with not",
code: `
test "n1" {
test "t1" {
boolptr => ! 3 > 4, # should parse, but not compile
}
`,
@@ -706,7 +706,7 @@ func TestLexParse0(t *testing.T) {
&StmtRes{
Kind: "test",
Name: &ExprStr{
V: "n1",
V: "t1",
},
Fields: []*StmtResField{
{
@@ -744,7 +744,7 @@ func TestLexParse0(t *testing.T) {
values = append(values, test{
name: "order of operations logical",
code: `
test "n1" {
test "t1" {
boolptr => 7 < 4 && true, # should be false
}
`,
@@ -879,7 +879,7 @@ func TestLexParse1(t *testing.T) {
}
# hello
# world
test "n1" {}
test "t1" {}
` // error
str := strings.NewReader(code)
_, err := LexParse(str)