fix a regression bug of string boudnary check and more regression tests (#1054)

* fix no_char regression bug

* more regression tests

Author: bobzhang

bsconfig.json

@@ -1,6 +1,6 @@
 {
     "name": "bs-platform",
-    "version": "1.2.2",
+    "version": "1.4.1",
 
     "package-specs": [
         "commonjs"

jscomp/all.depend

@@ -448,9 +448,9 @@ core/lam_pass_collect.cmx : core/lam_util.cmx core/lam_stats_util.cmx \
     ext/ident_hashtbl.cmx core/lam_pass_collect.cmi
 core/js_program_loader.cmx : core/lam_module_ident.cmx \
     core/lam_compile_env.cmx core/js_stmt_make.cmx core/js_exp_make.cmx \
-    common/js_config.cmx core/j.cmx ext/ident_set.cmx ext/ext_pervasives.cmx \
-    ext/ext_filename.cmx core/config_util.cmx depends/bs_exception.cmx \
-    core/js_program_loader.cmi
+    common/js_config.cmx core/j.cmx ext/ident_set.cmx ext/ext_string.cmx \
+    ext/ext_pervasives.cmx ext/ext_filename.cmx core/config_util.cmx \
+    depends/bs_exception.cmx core/js_program_loader.cmi
 core/js_dump.cmx : ext/literals.cmx core/lam_module_ident.cmx \
     core/js_stmt_make.cmx core/js_program_loader.cmx core/js_op_util.cmx \
     core/js_op.cmx core/js_number.cmx core/js_fun_env.cmx \
@@ -622,9 +622,9 @@ bsb/bsb_build_ui.cmx : ext/string_set.cmx ext/string_map.cmx \
     ext/ext_filename.cmx ext/ext_file_pp.cmx bsb/bsb_dir.cmx \
     bsb/bsb_build_util.cmx bsb/bsb_build_schemas.cmx common/binary_cache.cmx \
     bsb/bsb_build_ui.cmi
-bsb/bsb_build_util.cmx : ext/ext_list.cmx ext/ext_json.cmx \
-    ext/ext_filename.cmx ext/ext_array.cmx bsb/bsb_config.cmx \
-    bsb/bsb_build_util.cmi
+bsb/bsb_build_util.cmx : ext/ext_string.cmx ext/ext_list.cmx \
+    ext/ext_json.cmx ext/ext_filename.cmx ext/ext_array.cmx \
+    bsb/bsb_config.cmx bsb/bsb_build_util.cmi
 bsb/bsb_config.cmx : common/js_config.cmx ext/ext_filename.cmx \
     bsb/bsb_config.cmi
 bsb/bsb_default.cmx : ext/string_set.cmx ext/literals.cmx ext/ext_string.cmx \