Function build_import_map

src/pipeline/pass_semantic.c:78–156

Build per-file import map from cached extraction result or graph buffer edges. */

/* Build per-file import map from cached extraction result or graph buffer edges. */
static int build_import_map(cbm_pipeline_ctx_t *ctx, const char *rel_path,
                            const CBMFileResult *result, const char ***out_keys,
                            const char ***out_vals, int *out_count) {
    *out_keys = NULL;
    *out_vals = NULL;
    *out_count = 0;

    /* Fast path: build from cached extraction result (no JSON parsing) */
    if (result && result->imports.count > 0) {
        const char **keys = calloc((size_t)result->imports.count, sizeof(const char *));
        const char **vals = calloc((size_t)result->imports.count, sizeof(const char *));
        int count = 0;

        for (int i = 0; i < result->imports.count; i++) {
            const CBMImport *imp = &result->imports.items[i];
            if (!imp->local_name || !imp->local_name[0] || !imp->module_path) {
                continue;
            }
            char *target_qn = cbm_pipeline_fqn_module(ctx->project_name, imp->module_path);
            const cbm_gbuf_node_t *target = cbm_gbuf_find_by_qn(ctx->gbuf, target_qn);
            free(target_qn);
            if (!target) {
                continue;
            }
            keys[count] = strdup(imp->local_name);
            vals[count] = target->qualified_name;
            count++;
        }

        *out_keys = keys;
        *out_vals = vals;
        *out_count = count;
        return 0;
    }

    /* Slow path: scan graph buffer IMPORTS edges + parse JSON properties */
    char *file_qn = cbm_pipeline_fqn_compute(ctx->project_name, rel_path, "__file__");
    const cbm_gbuf_node_t *file_node = cbm_gbuf_find_by_qn(ctx->gbuf, file_qn);
    free(file_qn);
    if (!file_node) {
        return 0;
    }

    const cbm_gbuf_edge_t **edges = NULL;
    int edge_count = 0;
    int rc = cbm_gbuf_find_edges_by_source_type(ctx->gbuf, file_node->id, "IMPORTS", &edges,
                                                &edge_count);
    if (rc != 0 || edge_count == 0) {
        return 0;
    }

    const char **keys = calloc(edge_count, sizeof(const char *));
    const char **vals = calloc(edge_count, sizeof(const char *));
    int count = 0;

    for (int i = 0; i < edge_count; i++) {
        const cbm_gbuf_edge_t *e = edges[i];
        const cbm_gbuf_node_t *target = cbm_gbuf_find_by_id(ctx->gbuf, e->target_id);