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ludic syntax, and ludic-dev syntax: every grammar written from the compiler's vocabulary and checked against it

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`ludic syntax [--json] [-o FILE]` prints what `ludicc --emit-syntax` does (a line
per entry, or the JSON). `ludic-dev syntax` writes, between "ludic-dev syntax:
begin" / "end" lines, the keyword, type, phase and attribute tables of
ludic_syntax.h, LudicVocabulary's sets (JetBrains), ludic-mode.el's lists and the
language server's word tests (is_keyword_word and the rest; is_contextual_word is
every word the parser does not reserve, and every declaring or modifying one),
and every TextMate pattern marked "comment": "ludic-dev syntax: <group>" (shared
and the VS Code copy). The grammars gain module uses port bind action reducer
dispatch registry def open component prop view alias friend unsafe numbers of as
from mut system; import and extern colour as declarations; the phase clause
knows Overlay; the bitwise pattern matches | and ^ on their own again.

`ludic-dev syntax --check` - and check-vocabulary, whose old parser comparison it
replaces, and the regression suite (syntax_cases, one line per file) - fails when
a written list is behind, when a grammar lacks a keyword, type or phase, when
docs/language has no page for a keyword, type, phase or attribute, or when the
parser (a scan of selfhost/frontend: is_id / text == words, a == / ann ==
attributes) tests a word or reads an attribute vocab.ludic lacks, or the reverse.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-29 23:59:30 +03:00
parent 73f7d0b7a3
commit 2ad6edaae3
15 changed files with 784 additions and 118 deletions
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46
tools/ludic-tools/ludic_syntax.h
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@ -48,34 +48,48 @@ typedef struct {
} LLex;
/* ---------- the vocabulary ------------------------------------------------*/
/* Reserved words, grouped so editors can colour them differently. The groups
* mirror the compiler's parser: anything parse_decl() dispatches on is a
* declaration keyword, anything stmt() dispatches on is a statement keyword. */
static const char* LUDIC_KW_DECL[] = {
"program","import","property","model","enum","ui","namespace",
"const","var","function","extern","handler","entry","event","scene","test", 0
};
static const char* LUDIC_KW_CLAUSE[] = {
"phase","query","on","cancellable","public","layer","start", 0
};
/* Keywords by role (declaring, modifying, statement), the built-in types, the
* phases and the attribute names: one vocabulary, printed by the compiler
* (`ludicc --emit-syntax`, selfhost/frontend/vocab.ludic, which is held to the
* parser's own recognisers) and written between the marked lines below by
* `ludic-dev syntax`; `ludic-dev syntax --check` fails when they fall behind. */
/* Documented design targets the self-hosted parser does not accept yet. Kept
* out of the highlighted vocabulary (they would read as working keywords) until
* they are implemented; check-vocabulary.py verifies the lists above are a
* subset of what selfhost/parse*.ludic actually dispatches on. */
* they are implemented. */
static const char* LUDIC_KW_RESERVED[] = {
0
};
/* ludic-dev syntax: begin - generated from `ludicc --emit-syntax` (selfhost/frontend/vocab.ludic); run `ludic-dev syntax`, do not edit */
static const char* LUDIC_KW_DECL[] = {
"program","module","import","property","state","event","action","reducer","enum","model",
"prefab","scene","handler","ui","namespace","alias","port","bind","registry","def","component",
"view","prop","const","var","function","fn","extern","entry","test", 0
};
static const char* LUDIC_KW_CLAUSE[] = {
"export","internal","friend","uses","open","of","as","from","numbers","unsafe","mut","phase",
"query","on","cancellable","public","layer","start","shows","lasts","then","loads","system", 0
};
static const char* LUDIC_KW_STMT[] = {
"let","return","if","else","while","for","in","spawn","despawn",
"enable","disable","match","machine","state","become","where","prefab",
"and","or","not","break","continue","new","emit","cancel","try", 0
"let","if","else","while","for","in","where","match","machine","become","return","break",
"continue","new","spawn","despawn","enable","disable","attach","detach","emit","cancel",
"dispatch","try","and","or","not", 0
};
static const char* LUDIC_TYPES[] = {
"int","long","fixed","float","double","countdown","bool","entity","string","pointer","byte","words","fixeds","floats","doubles","pointers","Vector","IVec2","Rect","void", 0
"int","long","float","double","fixed","bool","byte","string","pointer","void","entity",
"countdown","words","floats","doubles","fixeds","pointers","Vector","IVec2","Rect", 0
};
static const char* LUDIC_PHASES[] = {
"Start","Input","FixedUpdate","Update","LateUpdate","Render","Overlay", 0
};
static const char* LUDIC_ATTRIBUTES[] = {
"Ref","OneOf","Range","Unit","Asset","Color","Node","Clip","Material","Tint","Derived","Text",
"Multiline","Key","Computed","Sync","frame","max","owns","AppendOnly","ByKey","PerMap",
"Chunked","export","Public","On","Queries","OnSpawn","OnDespawn","OnAttach","OnDetach",
"OnEnable","OnDisable","OnStart","OnQuit","Owned","Server","Predicted","ToServer","ToClients",
"System","EngineSystem","Namespace","deterministic","ClearColor","alloc_ok","creates",
"releases","Handles","Reads","Writes", 0
};
/* ludic-dev syntax: end */
static const char* LUDIC_WIDGETS[] = {
"panel","col","row","label","button","image","spacer", 0
};