ed255/pod2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Wildcards without the ? prefix (#422)

Browse source
This commit is contained in:
Andrew Twyman 2025-09-12 13:08:17 -07:00 • committed by GitHub
parent 7e04eb51ff
commit 5de08da32c
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
15 changed files with 287 additions and 262 deletions
Download patch file Download diff file Expand all files Collapse all files

19
src/lang/grammar.pest
View file

@ -11,15 +11,14 @@ WHITESPACE = _{ (" " | "\t" | NEWLINE)+ }
// COMMENT matches a line comment (//...\n) or block comment (/*...*/).
COMMENT = _{ ("//" ~ (!NEWLINE ~ ANY)* | "/*" ~ (!"*/" ~ ANY)* ~ "*/" ) }
// Define rules for identifiers (predicate names, variable names without '?')
reserved_identifier = { "private" | "true" | "false" }
// Define rules for identifiers (predicate names, wildcard names)
// Must start with alpha or _, followed by alpha, numeric, or _
identifier = @{ !("private") ~ (ASCII_ALPHA | "_") ~ (ASCII_ALPHANUMERIC | "_")* }
identifier = @{ !reserved_identifier ~ (ASCII_ALPHA | "_") ~ (ASCII_ALPHANUMERIC | "_")* }
private_kw = { "private:" }
// Define wildcard names (start with '?')
wildcard = @{ "?" ~ identifier }
arg_section = {
public_arg_list ~ ("," ~ private_kw ~ private_arg_list)?
}
@ -49,15 +48,15 @@ custom_predicate_def = {
statement_list = { statement+ }
statement_arg = { anchored_key | wildcard | literal_value }
statement_arg = { literal_value | anchored_key | identifier }
statement_arg_list = { statement_arg ~ ("," ~ statement_arg)* }
statement = { identifier ~ "(" ~ statement_arg_list? ~ ")" }
// Anchored Key: ?Var["key_literal"] or ?Var.key_identifier
// Anchored Key: Var["key_literal"] or Var.key_identifier
anchored_key = {
(wildcard ~ "[" ~ literal_string ~ "]")
| (wildcard ~ "." ~ identifier)
(identifier ~ "[" ~ literal_string ~ "]")
| (identifier ~ "." ~ identifier)
}
// Literal Values (ordered to avoid ambiguity, e.g., string before int)
@ -110,10 +109,10 @@ dict_pair = { literal_string ~ ":" ~ literal_value }
// --- Rules for testing full input matching ---
test_identifier = { SOI ~ identifier ~ EOI }
test_wildcard = { SOI ~ wildcard ~ EOI }
test_literal_int = { SOI ~ literal_int ~ EOI }
test_hash_hex = { SOI ~ hash_hex ~ EOI }
test_literal_raw = { SOI ~ literal_raw ~ EOI }
test_literal_value = { SOI ~ literal_value ~ EOI }
test_statement = { SOI ~ statement ~ EOI }
test_statement_arg = { SOI ~ statement_arg ~ EOI }
test_custom_predicate_def = { SOI ~ custom_predicate_def ~ EOI }