syndicate-lang
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syndicate-rs
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Script `+=` operator; sketch of `=~` operator

This commit is contained in:
Tony Garnock-Jones 2022-01-15 23:22:51 +01:00
parent 9453408e42
commit b810784750
1 changed files with 37 additions and 5 deletions
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42
syndicate-server/src/script/mod.rs
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@ -690,11 +690,11 @@ impl<'t> Parser<'t> {
self.drop();
let ctor = match s.as_ref() {
"" => |target, pattern_template, body| {
"" => |target, pattern_template, body| { // "?"
Instruction::During { target, pattern_template, body } },
"?" => |target, pattern_template, body| {
"?" => |target, pattern_template, body| { // "??"
Instruction::OnMessage { target, pattern_template, body } },
"-" => match self.parse(target) {
"-" => match self.parse(target) { // "?-"
Parsed::Value(i) => return Parsed::Value(Instruction::OnStop {
body: Box::new(i),
}),
@ -759,12 +759,44 @@ impl<'t> Parser<'t> {
target: target.to_owned(),
template: self.shift(),
});
} else if s == "+=" {
self.drop();
if self.ateof() {
return self.error("Missing payload after '+='");
}
return Parsed::Value(Instruction::Assert {
target: target.to_owned(),
template: self.shift(),
});
} else {
/* fall through */
}
}
Symbolic::Literal(_) => {
/* fall through */
Symbolic::Literal(s) => {
if s == "~" { // "=~"
// s.drop();
// if self.ateof() {
// return self.error("Missing pattern, true-instruction and false-continuation in match");
// }
// let match_template = self.shift();
// return match self.parse(target) {
// Parsed::Eof =>
// self.error(format!(
// "Missing true-instruction in conditional with pattern {:?}",
// match_template)),
// Parsed::Skip =>
// Parsed::Skip,
// Parsed::Value(true_instruction) => {
// let false_instructions = self.parse_all();
// Parsed::Value(Instruction::Cond {
// value: target.to_owned(),
// pattern: match_template,
// on_match: true_instruction,
// on_nomatch: self.parse_all(
// };
} else {
/* fall through */
}
}
}
}