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feat(lang): string_split/replace/slice, int/float_parse, bool_to_string, 7 map built-ins #66

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Merged
escapeboy merged 1 commit into from
Apr 30, 2026
Merged

feat(lang): string_split/replace/slice, int/float_parse, bool_to_string, 7 map built-ins #66

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54 changes: 54 additions & 0 deletions crates/llmbc/src/opcode.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -175,6 +175,47 @@ pub enum Op {
/// Pop a List, push reversed List.
ListReverse,

// String built-ins (0x9A+)
/// Pop two strings (string, sep), push List<String>.
StringSplit,

/// Pop three strings (string, from, to), push String.
StringReplace,

/// Pop a String and two Ints (start, end), push String slice.
StringSlice,

/// Pop a String, push Option<Int>.
IntParse,

/// Pop a String, push Option<Float>.
FloatParse,

/// Pop a Bool, push String ("true" or "false").
BoolToString,

// Map built-ins (0xA0+)
/// Pop a Map and a String key, push Option<Value>.
MapGet,

/// Pop a Map, a String key, and a Value; push new Map with key set.
MapSet,

/// Pop a Map and a String key; push new Map with key removed.
MapRemove,

/// Pop a Map and a String key; push Bool.
MapContainsKey,

/// Pop a Map; push List<String> of keys.
MapKeys,

/// Pop a Map; push List of values.
MapValues,

/// Pop a Map; push Int length.
MapLen,

/// No operation.
Nop,

Expand Down Expand Up @@ -250,6 +291,19 @@ impl Op {
Op::ListAppend => 0x97,
Op::ListConcat => 0x98,
Op::ListReverse => 0x99,
Op::StringSplit => 0x9A,
Op::StringReplace => 0x9B,
Op::StringSlice => 0x9C,
Op::IntParse => 0x9D,
Op::FloatParse => 0x9E,
Op::BoolToString => 0x9F,
Op::MapGet => 0xA0,
Op::MapSet => 0xA1,
Op::MapRemove => 0xA2,
Op::MapContainsKey => 0xA3,
Op::MapKeys => 0xA4,
Op::MapValues => 0xA5,
Op::MapLen => 0xA6,
Op::Nop => 0xFE,
Op::Halt => 0xFF,
}
Expand Down
75 changes: 75 additions & 0 deletions crates/llmc/src/codegen.rs
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Expand Up @@ -390,6 +390,81 @@ impl Emitter {
fe.code.push(Op::ListReverse);
return Ok(());
}
"__builtin_string_split" if args.len() == 2 => {
self.emit_expr(&args[0], fe)?;
self.emit_expr(&args[1], fe)?;
fe.code.push(Op::StringSplit);
return Ok(());
}
"__builtin_string_replace" if args.len() == 3 => {
self.emit_expr(&args[0], fe)?;
self.emit_expr(&args[1], fe)?;
self.emit_expr(&args[2], fe)?;
fe.code.push(Op::StringReplace);
return Ok(());
}
"__builtin_string_slice" if args.len() == 3 => {
self.emit_expr(&args[0], fe)?;
self.emit_expr(&args[1], fe)?;
self.emit_expr(&args[2], fe)?;
fe.code.push(Op::StringSlice);
return Ok(());
}
"__builtin_int_parse" if args.len() == 1 => {
self.emit_expr(&args[0], fe)?;
fe.code.push(Op::IntParse);
return Ok(());
}
"__builtin_float_parse" if args.len() == 1 => {
self.emit_expr(&args[0], fe)?;
fe.code.push(Op::FloatParse);
return Ok(());
}
"__builtin_bool_to_string" if args.len() == 1 => {
self.emit_expr(&args[0], fe)?;
fe.code.push(Op::BoolToString);
return Ok(());
}
"__builtin_map_get" if args.len() == 2 => {
self.emit_expr(&args[0], fe)?;
self.emit_expr(&args[1], fe)?;
fe.code.push(Op::MapGet);
return Ok(());
}
"__builtin_map_set" if args.len() == 3 => {
self.emit_expr(&args[0], fe)?;
self.emit_expr(&args[1], fe)?;
self.emit_expr(&args[2], fe)?;
fe.code.push(Op::MapSet);
return Ok(());
}
"__builtin_map_remove" if args.len() == 2 => {
self.emit_expr(&args[0], fe)?;
self.emit_expr(&args[1], fe)?;
fe.code.push(Op::MapRemove);
return Ok(());
}
"__builtin_map_contains_key" if args.len() == 2 => {
self.emit_expr(&args[0], fe)?;
self.emit_expr(&args[1], fe)?;
fe.code.push(Op::MapContainsKey);
return Ok(());
}
"__builtin_map_keys" if args.len() == 1 => {
self.emit_expr(&args[0], fe)?;
fe.code.push(Op::MapKeys);
return Ok(());
}
"__builtin_map_values" if args.len() == 1 => {
self.emit_expr(&args[0], fe)?;
fe.code.push(Op::MapValues);
return Ok(());
}
"__builtin_map_len" if args.len() == 1 => {
self.emit_expr(&args[0], fe)?;
fe.code.push(Op::MapLen);
return Ok(());
}
// 0.3-S14: builtin `step_input(name)` reads a
// workflow step's resolved upstream output.
// Emits `Op::CapCall(StepInput, 1)` which
Expand Down
13 changes: 13 additions & 0 deletions crates/llmc/src/typeck.rs
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Expand Up @@ -71,6 +71,19 @@ impl TypeChecker {
functions.insert("__builtin_list_append".to_string(), 2);
functions.insert("__builtin_list_concat".to_string(), 2);
functions.insert("__builtin_list_reverse".to_string(), 1);
functions.insert("__builtin_string_split".to_string(), 2);
functions.insert("__builtin_string_replace".to_string(), 3);
functions.insert("__builtin_string_slice".to_string(), 3);
functions.insert("__builtin_int_parse".to_string(), 1);
functions.insert("__builtin_float_parse".to_string(), 1);
functions.insert("__builtin_bool_to_string".to_string(), 1);
functions.insert("__builtin_map_get".to_string(), 2);
functions.insert("__builtin_map_set".to_string(), 3);
functions.insert("__builtin_map_remove".to_string(), 2);
functions.insert("__builtin_map_contains_key".to_string(), 2);
functions.insert("__builtin_map_keys".to_string(), 1);
functions.insert("__builtin_map_values".to_string(), 1);
functions.insert("__builtin_map_len".to_string(), 1);
// 0.3-S14: read a workflow step's resolved input value at
// runtime. Compiles to `Op::CapCall(StepInput, 1)` which
// dispatches through the gateway's StepInputHandler. Returns
Expand Down
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