go-pkg/expr
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moved scanner sources to package 'scan'

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This commit is contained in:
Celestino Amoroso
2026-05-03 14:19:17 +02:00
parent f63ff5953e
commit 7f34ccf955
66 changed files with 1793 additions and 1726 deletions
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t_ast_test.go
+17 -15
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@@ -7,47 +7,49 @@ package expr
import (
"errors"
"testing"
"git.portale-stac.it/go-pkg/expr/scan"
)
func TestAstString(t *testing.T) {
tree := NewAst()
tree := scan.NewAst()
if gotResult := tree.String(); gotResult != "(nil)" {
t.Errorf(`result: got %q, want "(nil)"`, gotResult)
}
}
func TestAddTokensGood(t *testing.T) {
tk1 := NewValueToken(0, 0, SymInteger, "100", 100)
tk2 := NewToken(0, 0, SymPlus, "+")
tk3 := NewValueToken(0, 0, SymInteger, "50", 500)
tk1 := scan.NewValueToken(0, 0, scan.SymInteger, "100", 100)
tk2 := scan.NewToken(0, 0, scan.SymPlus, "+")
tk3 := scan.NewValueToken(0, 0, scan.SymInteger, "50", 500)
tree := NewAst()
if gotErr := tree.addTokens(tk1, tk2, tk3); gotErr != nil {
tree := scan.NewAst()
if gotErr := tree.AddTokens(tk1, tk2, tk3); gotErr != nil {
t.Errorf("err: got <%v>, want <nil>", gotErr)
}
}
func TestAddTokensBad(t *testing.T) {
tk0 := NewValueToken(0, 0, SymInteger, "200", 200)
tk1 := NewValueToken(0, 0, SymInteger, "100", 100)
tk2 := NewToken(0, 0, SymPlus, "+")
tk3 := NewValueToken(0, 0, SymInteger, "50", 500)
tk0 := scan.NewValueToken(0, 0, scan.SymInteger, "200", 200)
tk1 := scan.NewValueToken(0, 0, scan.SymInteger, "100", 100)
tk2 := scan.NewToken(0, 0, scan.SymPlus, "+")
tk3 := scan.NewValueToken(0, 0, scan.SymInteger, "50", 500)
wantErr := errors.New(`[0:0] two adjacent operators: "200" and "100"`)
tree := NewAst()
if gotErr := tree.addTokens(tk0, tk1, tk2, tk3); gotErr != nil && gotErr.Error() != wantErr.Error() {
tree := scan.NewAst()
if gotErr := tree.AddTokens(tk0, tk1, tk2, tk3); gotErr != nil && gotErr.Error() != wantErr.Error() {
t.Errorf("err: got <%v>, want <nil>", gotErr)
}
}
func TestAddUnknownTokens(t *testing.T) {
tk0 := NewToken(0, 0, SymPercent, "%")
tk0 := scan.NewToken(0, 0, scan.SymPercent, "%")
wantErr := errors.New(`unexpected token "%"`)
tree := NewAst()
if _, gotErr := tree.addToken(tk0); gotErr != nil && gotErr.Error() != wantErr.Error() {
tree := scan.NewAst()
if _, gotErr := tree.AddToken(tk0); gotErr != nil && gotErr.Error() != wantErr.Error() {
t.Errorf("err: got <%v>, want <%v>", gotErr, wantErr)
}
}