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static bool cgen_decls_stmt(CGenerator *g, Statement *s);
static bool cgen_decls_block(CGenerator *g, Block *b);
static bool cgen_decls_expr(CGenerator *g, Expression *e) {
switch (e->kind) {
case EXPR_UNARY_OP:
if (!cgen_decls_expr(g, e->unary.of))
return false;
break;
case EXPR_BINARY_OP:
if (!cgen_decls_expr(g, e->binary.lhs)
|| !cgen_decls_expr(g, e->binary.rhs))
return false;
break;
case EXPR_CAST:
if (!cgen_decls_expr(g, e->cast.expr))
return false;
break;
case EXPR_CALL:
if (!cgen_decls_expr(g, e->call.fn))
return false;
arr_foreach(e->call.arg_exprs, Expression, a)
if (!cgen_decls_expr(g, a))
return false;
break;
case EXPR_BLOCK:
if (!cgen_decls_block(g, &e->block))
return false;
break;
case EXPR_IF:
if (e->if_.cond)
if (!cgen_decls_expr(g, e->if_.cond))
return false;
if (!cgen_decls_block(g, &e->if_.body))
return false;
if (e->if_.next_elif)
if (!cgen_decls_expr(g, e->if_.next_elif))
return false;
break;
case EXPR_WHILE:
if (e->while_.cond)
if (!cgen_decls_expr(g, e->while_.cond))
return false;
if (!cgen_decls_block(g, &e->while_.body))
return false;
break;
case EXPR_TUPLE:
arr_foreach(e->tuple, Expression, x)
if (!cgen_decls_expr(g, x))
return false;
break;
case EXPR_FN:
e->fn.c.name = NULL;
e->fn.c.id = g->ident_counter++;
if (!cgen_fn_header(g, &e->fn, e->where))
return false;
cgen_write(g, ";");
cgen_nl(g);
if (!cgen_decls_block(g, &e->fn.body))
return false;
break;
case EXPR_DIRECT:
case EXPR_NEW:
case EXPR_IDENT:
case EXPR_LITERAL_BOOL:
case EXPR_LITERAL_INT:
case EXPR_LITERAL_STR:
case EXPR_LITERAL_CHAR:
case EXPR_LITERAL_FLOAT:
break;
}
return true;
}
static bool cgen_decls_block(CGenerator *g, Block *b) {
Block *prev = g->block;
cgen_block_enter(g, b);
arr_foreach(b->stmts, Statement, s)
cgen_decls_stmt(g, s);
cgen_block_exit(g, prev);
return true;
}
static bool cgen_decls_decl(CGenerator *g, Declaration *d) {
if (cgen_fn_is_direct(g, d)) {
d->expr.fn.c.name = d->idents[0];
if (!cgen_fn_header(g, &d->expr.fn, d->where))
return false;
cgen_write(g, ";");
cgen_nl(g);
if (!cgen_decls_block(g, &d->expr.fn.body))
return false;
} else if (d->flags & DECL_FLAG_HAS_EXPR) {
if (!cgen_decls_expr(g, &d->expr))
return false;
}
return true;
}
static bool cgen_decls_stmt(CGenerator *g, Statement *s) {
switch (s->kind) {
case STMT_DECL:
if (!cgen_decls_decl(g, &s->decl))
return false;
break;
case STMT_EXPR:
break;
case STMT_RET:
break;
}
return true;
}
static bool cgen_decls_file(CGenerator *g, ParsedFile *f) {
cgen_write(g, "/* declarations */\n");
arr_foreach(f->stmts, Statement, s) {
if (!cgen_decls_stmt(g, s))
return false;
}
return true;
}
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