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implement M6 borrow checker integration

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coolguy
2026-08-16 20:46:45 +09:00
parent db0ed4bbe0
commit aba9370ea6
3 changed files with 481 additions and 14 deletions
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fec/src/parser.c
+1 -1
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@@ -221,7 +221,7 @@ static FeNode *decl(FeParser *p)
if(eat(p,FE_TOK_ENUM)) { n=toknode(p,FE_N_ENUM,t);if(is_name(p)){next(p);n->text=fe_arena_strdup(&p->ast->arena,p->previous.begin,p->previous.length);}else error(p,"expected enum name");want(p,FE_TOK_LBRACE,"expected '{' in enum");while(!is(p,FE_TOK_RBRACE)&&!is(p,FE_TOK_EOF)){FeNode *v=toknode(p,FE_N_VARIANT,p->current);if(is_name(p))next(p);else{error(p,"expected variant name");recover(p);break;}if(eat(p,FE_TOK_LPAREN)){v->a=type(p);want(p,FE_TOK_RPAREN,"expected ')' in variant");}else if(eat(p,FE_TOK_LBRACE)){while(!is(p,FE_TOK_RBRACE)&&!is(p,FE_TOK_EOF))fe_node_add(v,field(p));want(p,FE_TOK_RBRACE,"expected '}' in variant");}fe_node_add(n,v);if(!eat(p,FE_TOK_COMMA))break;}want(p,FE_TOK_RBRACE,"expected '}' after enum");return n; }
if(eat(p,FE_TOK_ERROR_KW)) { n=toknode(p,FE_N_ERROR_DECL,t);if(is_name(p)){next(p);n->text=fe_arena_strdup(&p->ast->arena,p->previous.begin,p->previous.length);}else error(p,"expected error name");want(p,FE_TOK_LBRACE,"expected '{' in error declaration");while(!is(p,FE_TOK_RBRACE)&&!is(p,FE_TOK_EOF)){FeNode *v=toknode(p,FE_N_VARIANT,p->current);if(is_name(p))next(p);else{error(p,"expected error member");recover(p);break;}want(p,FE_TOK_EQ,"expected '=' in error member");v->a=expr(p,0);want(p,FE_TOK_COMMA,"expected ',' in error declaration");fe_node_add(n,v);}want(p,FE_TOK_RBRACE,"expected '}' after error");return n; }
if(eat(p,FE_TOK_SHARED)) { shared=1; if(eat(p,FE_TOK_ATOMIC)) atomic=1; if(!is(p,FE_TOK_VAR)) error(p,"expected 'var' after shared"); }
if(is(p,FE_TOK_CONST)||is(p,FE_TOK_STATIC)||is(p,FE_TOK_VAR)) { FeTokKind kk=p->current.kind;next(p);n=toknode(p,kk==FE_TOK_CONST?FE_N_CONST:FE_N_GLOBAL,t);if(is_name(p)){next(p);n->text=fe_arena_strdup(&p->ast->arena,p->previous.begin,p->previous.length);}else error(p,"expected declaration name");if(eat(p,FE_TOK_COLON))n->a=type(p);want(p,FE_TOK_EQ,"expected '=' in declaration");n->b=expr(p,0);want(p,FE_TOK_SEMI,"expected ';' after declaration");return n; }
if(is(p,FE_TOK_CONST)||is(p,FE_TOK_STATIC)||is(p,FE_TOK_VAR)) { FeTokKind kk=p->current.kind;next(p);n=toknode(p,kk==FE_TOK_CONST?FE_N_CONST:FE_N_GLOBAL,t);if(kk==FE_TOK_STATIC)n->flags|=2U;if(shared)n->flags|=4U;if(is_name(p)){next(p);n->text=fe_arena_strdup(&p->ast->arena,p->previous.begin,p->previous.length);}else error(p,"expected declaration name");if(eat(p,FE_TOK_COLON))n->a=type(p);want(p,FE_TOK_EQ,"expected '=' in declaration");n->b=expr(p,0);want(p,FE_TOK_SEMI,"expected ';' after declaration");return n; }
error(p,"expected declaration"); before=p->current.kind; recover(p);
if (p->current.kind==before && p->current.kind!=FE_TOK_EOF) next(p);
return 0;