bshell: re-organise build into three separate components

bshell: the front-end binary bshell.runtime: contains the parser, compiler, and classes needed to run bshell scripts bshell.core: contains the builtin commandlets and aliases
2026-05-25 10:33:29 +01:00
parent 58c76a1f57
commit edfb3e24a3
165 changed files with 5173 additions and 4995 deletions
@@ -0,0 +1,53 @@
+#include "../syntax.h"
+
+bool parse_block(struct bshell_parse_ctx *ctx, struct bshell_ast_node **out)
+{
+	if (!parse_symbol(ctx, BSHELL_SYM_LEFT_BRACE)) {
+		return false;
+	}
+
+	parse_linefeed(ctx);
+
+	struct bshell_block_ast_node *block
+		= (struct bshell_block_ast_node *)bshell_ast_node_create(
+			BSHELL_AST_BLOCK);
+
+	bool ok = true;
+	while (1) {
+		if (parse_symbol(ctx, BSHELL_SYM_RIGHT_BRACE)) {
+			break;
+		}
+
+		parse_linefeed(ctx);
+
+		struct bshell_ast_node *stmt = NULL;
+		if (!parse_statement(ctx, &stmt)) {
+			ok = false;
+			break;
+		}
+
+		fx_queue_push_back(&block->n_statements, &stmt->n_entry);
+
+		if (parse_symbol(ctx, BSHELL_SYM_RIGHT_BRACE)) {
+			break;
+		}
+
+		if (!parse_linefeed(ctx)
+		    && !parse_symbol(ctx, BSHELL_SYM_SEMICOLON)) {
+			report_error(
+				ctx,
+				"expected `;`, `}`, or linefeed after "
+				"statement");
+			ok = false;
+			break;
+		}
+	}
+
+	if (!ok) {
+		bshell_ast_node_destroy((struct bshell_ast_node *)block);
+		block = NULL;
+	}
+
+	*out = (struct bshell_ast_node *)block;
+	return true;
+}