func check(t *testing.T, mp map[string]string) {
for raw, slex := range mp {
res := lex(lexer.Lex("test", raw))
if res != slex {
t.Errorf("fail in case: %q, err: %q", raw, res)
}
}
}
// Syntactic parsing in two phases:
// 1. Parse the tokens into a set of tuples;
// 2. Parse the tuples into abstract syntactic tree (AST).
func ParseFromString(expr string) []ast.Node {
parser := &Parser{lexer.Lex("gosp", expr)}
tuples := make([]ast.Node, 0)
parser.parse(&tuples, 0, -1)
// For debugging.
for _, node := range tuples {
printType(node)
fmt.Println()
}
return parseNodes(tuples)
}