go-pkg/expr
1
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases Wiki Activity

several changes:

Browse Source 
1. moved scan/symbol.go to new package sym and adapted all files that reference Symbol type and its values.
2. new type interval defined by begin, end and step values.
3. replaced operator-range.go with operator-interval.go.
4. replaced range operator begin:end with begin..end..step.
5. new implementation of sub-collection extraction based on new interval literal.
This commit is contained in:
Celestino Amoroso
2026-07-27 16:01:52 +02:00
parent 07aecfc4e7
commit 8e596d5979
63 changed files with 1125 additions and 755 deletions
Download Patch File Download Diff File Expand all files Collapse all files
t_ast_test.go
+9 -8
View File
@@ -9,6 +9,7 @@ import (
"testing"
"git.portale-stac.it/go-pkg/expr/scan"
"git.portale-stac.it/go-pkg/expr/sym"
)
func TestAstString(t *testing.T) {
@@ -19,9 +20,9 @@ func TestAstString(t *testing.T) {
}
func TestAddTokensGood(t *testing.T) {
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)
tk1 := scan.NewValueToken(0, 0, sym.SymInteger, "100", 100)
tk2 := scan.NewToken(0, 0, sym.SymPlus, "+")
tk3 := scan.NewValueToken(0, 0, sym.SymInteger, "50", 500)
tree := scan.NewAst()
if gotErr := tree.AddTokens(tk1, tk2, tk3); gotErr != nil {
@@ -30,10 +31,10 @@ func TestAddTokensGood(t *testing.T) {
}
func TestAddTokensBad(t *testing.T) {
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)
tk0 := scan.NewValueToken(0, 0, sym.SymInteger, "200", 200)
tk1 := scan.NewValueToken(0, 0, sym.SymInteger, "100", 100)
tk2 := scan.NewToken(0, 0, sym.SymPlus, "+")
tk3 := scan.NewValueToken(0, 0, sym.SymInteger, "50", 500)
wantErr := errors.New(`[0:0] two adjacent operators: "200" and "100"`)
@@ -44,7 +45,7 @@ func TestAddTokensBad(t *testing.T) {
}
func TestAddUnknownTokens(t *testing.T) {
tk0 := scan.NewToken(0, 0, scan.SymPercent, "%")
tk0 := scan.NewToken(0, 0, sym.SymPercent, "%")
wantErr := errors.New(`unexpected token "%"`)