diff options
Diffstat (limited to 'src/duk-libdom.c')
| -rw-r--r-- | src/duk-libdom.c | 118 |
1 files changed, 113 insertions, 5 deletions
diff --git a/src/duk-libdom.c b/src/duk-libdom.c index 5f82bd1..aad7bb6 100644 --- a/src/duk-libdom.c +++ b/src/duk-libdom.c @@ -1074,6 +1074,95 @@ output_operation_optional_defaults(FILE* outf, return 0; } +static int +output_operation_argument_type_check( + FILE* outf, + struct interface_map_entry *interfacee, + struct interface_map_operation_entry *operatione, + struct interface_map_operation_overload_entry *overloade, + int argidx) +{ + struct interface_map_operation_argument_entry *argumente; + struct webidl_node *type_node; + enum webidl_type *argument_type; + + argumente = overloade->argumentv + argidx; + + type_node = webidl_node_find_type( + webidl_node_getnode(argumente->node), + NULL, + WEBIDL_NODE_TYPE_TYPE); + + if (type_node == NULL) { + fprintf(stderr, "%s:%s %dth argument %s has no type\n", + interfacee->name, + operatione->name, + argidx, + argumente->name); + return -1; + } + + argument_type = (enum webidl_type *)webidl_node_getint( + webidl_node_find_type( + webidl_node_getnode(type_node), + NULL, + WEBIDL_NODE_TYPE_TYPE_BASE)); + + if (argument_type == NULL) { + fprintf(stderr, + "%s:%s %dth argument %s has no type base\n", + interfacee->name, + operatione->name, + argidx, + argumente->name); + return -1; + } + + if (*argument_type == WEBIDL_TYPE_ANY) { + /* allowing any type needs no check */ + return 0; + } + + fprintf(outf, "\tif (%s_argc > %d) {\n", DLPFX, argidx); + + switch (*argument_type) { + case WEBIDL_TYPE_STRING: + fprintf(outf, + "\t\tif (!duk_is_string(ctx, %d)) {\n" + "\t\t\tduk_error(ctx, DUK_ERR_ERROR, %s_error_fmt_string_type, %d, \"%s\");\n" + "\t\t}\n", argidx, DLPFX, argidx, argumente->name); + break; + + case WEBIDL_TYPE_BOOL: + fprintf(outf, + "\t\tif (!duk_is_boolean(ctx, %d)) {\n" + "\t\t\tduk_error(ctx, DUK_ERR_ERROR, %s_error_fmt_bool_type, %d, \"%s\");\n" + "\t\t}\n", argidx, DLPFX, argidx, argumente->name); + break; + + case WEBIDL_TYPE_FLOAT: + case WEBIDL_TYPE_DOUBLE: + case WEBIDL_TYPE_SHORT: + case WEBIDL_TYPE_LONG: + case WEBIDL_TYPE_LONGLONG: + fprintf(outf, + "\t\tif (!duk_is_number(ctx, %d)) {\n" + "\t\t\tduk_error(ctx, DUK_ERR_ERROR, %s_error_fmt_number_type, %d, \"%s\");\n" + "\t\t}\n", argidx, DLPFX, argidx, argumente->name); + break; + + + default: + fprintf(outf, + "\t\t/* unhandled type check */\n"); + } + + fprintf(outf, "\t}\n"); + + return 0; +} + + /** * generate a single class method for an interface operation */ @@ -1085,6 +1174,7 @@ output_interface_operation(FILE* outf, int cdatac; /* cdata blocks output */ struct interface_map_operation_overload_entry *overloade; int fixedargc; /* number of non optional arguments */ + int argidx; /* loop counter for arguments */ int optargc; /* loop counter for optional arguments */ if (operatione->name == NULL) { @@ -1155,12 +1245,24 @@ output_interface_operation(FILE* outf, fprintf(outf, "if (%s_argc > %d) {\n" "\t\t/* remove extraneous parameters */\n" - "\t\tduk_set_top(ctx, %d);\n", + "\t\tduk_set_top(ctx, %d);\n" + "\t}\n", DLPFX, overloade->argumentc, overloade->argumentc); - fprintf(outf, "\t}\n"); + fprintf(outf, "\n"); + + /* generate argument type checks */ + fprintf(outf, "\t/* check types of passed arguments are correct */\n"); + + for (argidx = 0; argidx < overloade->argumentc; argidx++) { + output_operation_argument_type_check(outf, + interfacee, + operatione, + overloade, + argidx); + } output_get_method_private(outf, interfacee->class_name); @@ -1618,10 +1720,13 @@ output_binding_header(struct interface_map *interface_map) fprintf(bindf, "/* Constant strings */\n" "extern const char *%s_error_fmt_argument;\n" + "extern const char *%s_error_fmt_string_type;\n" + "extern const char *%s_error_fmt_bool_type;\n" + "extern const char *%s_error_fmt_number_type;\n" "extern const char *%s_magic_string_private;\n" "extern const char *%s_magic_string_prototypes;\n" "\n", - DLPFX, DLPFX, DLPFX); + DLPFX, DLPFX, DLPFX, DLPFX, DLPFX, DLPFX); fprintf(bindf, "duk_bool_t %s_instanceof(duk_context *ctx, const char *klass);\n", @@ -1676,8 +1781,11 @@ output_binding_src(struct interface_map *interface_map) fprintf(bindf, "/* Error format strings */\n" - "const char *%s_error_fmt_argument =\"%%d argument required, but ony %%d present.\";\n", - DLPFX); + "const char *%s_error_fmt_argument =\"%%d argument required, but ony %%d present.\";\n" + "const char *%s_error_fmt_string_type =\"argument %%d (%%s) requires a string\";\n" + "const char *%s_error_fmt_bool_type =\"argument %%d (%%s) requires a bool\";\n" + "const char *%s_error_fmt_number_type =\"argument %%d (%%s) requires a number\";\n", + DLPFX, DLPFX, DLPFX, DLPFX); fprintf(bindf, "\n"); |