go-pkg/expr
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solved a number of problems highlighted by the syntax analyzer

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This commit is contained in:
Celestino Amoroso 2024-12-27 07:46:11 +01:00
parent 24e31997fc
commit cca3b76baa
6 changed files with 29 additions and 28 deletions
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18
fraction-type.go
View File

@ -126,34 +126,36 @@ func (f *FractionType) ToString(opt FmtOpt) string {
if opt&MultiLine == 0 {
sb.WriteString(fmt.Sprintf("%d:%d", f.num, f.den))
} else {
var s, num string
var sign, num string
if f.num < 0 && opt&TTY == 0 {
num = strconv.FormatInt(-f.num, 10)
s = "-"
sign = "-"
} else {
num = strconv.FormatInt(f.num, 10)
}
den := strconv.FormatInt(f.den, 10)
size := max(len(num), len(den))
if opt&TTY != 0 {
sb.WriteString(fmt.Sprintf("\x1b[4m%[1]*s\x1b[0m\n", -size, fmt.Sprintf("%[1]*s", (size+len(num))/2, s+num)))
sNum := fmt.Sprintf("\x1b[4m%[1]*s\x1b[0m\n", -size, fmt.Sprintf("%[1]*s", (size+len(num))/2, sign+num))
sb.WriteString(sNum)
} else {
if len(s) > 0 {
if len(sign) > 0 {
sb.WriteString(" ")
}
sb.WriteString(fmt.Sprintf("%[1]*s", -size, fmt.Sprintf("%[1]*s", (size+len(num))/2, num)))
sb.WriteByte('\n')
if len(s) > 0 {
sb.WriteString(s)
if len(sign) > 0 {
sb.WriteString(sign)
sb.WriteByte(' ')
}
sb.WriteString(strings.Repeat("-", size))
sb.WriteByte('\n')
if len(s) > 0 {
if len(sign) > 0 {
sb.WriteString(" ")
}
}
sb.WriteString(fmt.Sprintf("%[1]*s", -size, fmt.Sprintf("%[1]*s", (size+len(den))/2, den)))
sDen := fmt.Sprintf("%[1]*s", size, fmt.Sprintf("%[1]*s", (size+len(den))/2, den))
sb.WriteString(sDen)
}
return sb.String()

8
iterator.go
View File

@ -5,7 +5,7 @@
package expr
import (
"errors"
// "errors"
"fmt"
)
@ -43,6 +43,6 @@ func errNoOperation(name string) error {
return fmt.Errorf("no %s() function defined in the data-source", name)
}
func errInvalidDataSource() error {
return errors.New("invalid data-source")
}
// func errInvalidDataSource() error {
// return errors.New("invalid data-source")
// }

2
operator-context.go
View File

@ -20,7 +20,7 @@ func evalContextValue(ctx ExprContext, opTerm *term) (v any, err error) {
var childValue any
var sourceCtx ExprContext
if opTerm.children == nil || len(opTerm.children) == 0 {
if len(opTerm.children) == 0 {
sourceCtx = ctx
} else if opTerm.children[0].symbol() == SymVariable && opTerm.children[0].source() == "global" {
sourceCtx = globalCtx

2
scanner.go
View File

@ -460,7 +460,7 @@ func (scanner *scanner) parseNumber(firstCh byte) (tk *Token) {
tk = scanner.makeErrorToken(err)
} else {
var value any
err = scanner.sync(err) // TODO: Check this function
_ = scanner.sync(err) // TODO: Check this function
txt := sb.String()
if sym == SymFloat {
value, err = strconv.ParseFloat(txt, 64)

3
t_fractions_test.go
View File

@ -59,8 +59,7 @@ func TestFractionToStringMultiline(t *testing.T) {
}
}
// TODO Check this test: the output string ends with a space
func _TestToStringMultilineTty(t *testing.T) {
func TestToStringMultilineTty(t *testing.T) {
source := newFraction(-1, 2)
want := "\x1b[4m-1\x1b[0m\n 2"
got := source.ToString(MultiLine | TTY)

22
t_plugin_test.go
View File

@ -8,18 +8,18 @@ import (
"testing"
)
func _TestImportPlugin(t *testing.T) {
t.Setenv("PLUGINS", "${HOME}/go/src/git.portale-stac.it/go")
t.Setenv("EXPR_PLUGIN_PATH","${PLUGINS}/expr-json-plugin:${PLUGINS}/expr-csv-plugin")
// func TestImportPlugin(t *testing.T) {
// t.Setenv("PLUGINS", "${HOME}/go/src/git.portale-stac.it/go")
// t.Setenv("EXPR_PLUGIN_PATH","${PLUGINS}/expr-json-plugin:${PLUGINS}/expr-csv-plugin")
gotCount, gotErr := importPluginFromSearchPath("json")
if gotCount != 1 {
t.Errorf("Import count: got=%d, want=1", gotCount)
}
if gotErr != nil {
t.Errorf("importPlugin() failed: %v", gotErr)
}
}
// gotCount, gotErr := importPluginFromSearchPath("json")
// if gotCount != 1 {
// t.Errorf("Import count: got=%d, want=1", gotCount)
// }
// if gotErr != nil {
// t.Errorf("importPlugin() failed: %v", gotErr)
// }
// }
func TestPluginExists(t *testing.T) {
name := "json"