diff options
Diffstat (limited to 'ruby_parser.c')
| -rw-r--r-- | ruby_parser.c | 1167 |
1 files changed, 1167 insertions, 0 deletions
diff --git a/ruby_parser.c b/ruby_parser.c new file mode 100644 index 0000000000..1dcdfd8e79 --- /dev/null +++ b/ruby_parser.c @@ -0,0 +1,1167 @@ +/* This is a wrapper for parse.y */ + +#include "internal/parse.h" +#include "internal/re.h" +#include "internal/ruby_parser.h" + +#include "node.h" +#include "rubyparser.h" +#include "internal/error.h" + +#ifdef UNIVERSAL_PARSER + +#include "internal.h" +#include "internal/array.h" +#include "internal/bignum.h" +#include "internal/compile.h" +#include "internal/complex.h" +#include "internal/encoding.h" +#include "internal/gc.h" +#include "internal/hash.h" +#include "internal/io.h" +#include "internal/rational.h" +#include "internal/re.h" +#include "internal/string.h" +#include "internal/symbol.h" +#include "internal/thread.h" + +#include "ruby/ractor.h" +#include "ruby/ruby.h" +#include "ruby/util.h" +#include "internal.h" +#include "vm_core.h" +#include "symbol.h" + +#define parser_encoding const void + +static int +is_ascii_string2(VALUE str) +{ + return is_ascii_string(str); +} + +RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 6, 0) +static VALUE +syntax_error_append(VALUE exc, VALUE file, int line, int column, + parser_encoding *enc, const char *fmt, va_list args) +{ + return rb_syntax_error_append(exc, file, line, column, enc, fmt, args); +} + +static int +local_defined(ID id, const void *p) +{ + return rb_local_defined(id, (const rb_iseq_t *)p); +} + +static int +dvar_defined(ID id, const void *p) +{ + return rb_dvar_defined(id, (const rb_iseq_t *)p); +} + +static int +is_usascii_enc(parser_encoding *enc) +{ + return rb_is_usascii_enc(enc); +} + +static int +is_local_id2(ID id) +{ + return is_local_id(id); +} + +static int +is_attrset_id2(ID id) +{ + return is_attrset_id(id); +} + +static int +is_notop_id2(ID id) +{ + return is_notop_id(id); +} + +static VALUE +enc_str_new(const char *ptr, long len, parser_encoding *enc) +{ + return rb_enc_str_new(ptr, len, enc); +} + +static int +enc_isalnum(OnigCodePoint c, parser_encoding *enc) +{ + return rb_enc_isalnum(c, enc); +} + +static int +enc_precise_mbclen(const char *p, const char *e, parser_encoding *enc) +{ + return rb_enc_precise_mbclen(p, e, enc); +} + +static int +mbclen_charfound_p(int len) +{ + return MBCLEN_CHARFOUND_P(len); +} + +static int +mbclen_charfound_len(int len) +{ + return MBCLEN_CHARFOUND_LEN(len); +} + +static const char * +enc_name(parser_encoding *enc) +{ + return rb_enc_name(enc); +} + +static char * +enc_prev_char(const char *s, const char *p, const char *e, parser_encoding *enc) +{ + return rb_enc_prev_char(s, p, e, enc); +} + +static parser_encoding * +enc_get(VALUE obj) +{ + return rb_enc_get(obj); +} + +static int +enc_asciicompat(parser_encoding *enc) +{ + return rb_enc_asciicompat(enc); +} + +static parser_encoding * +utf8_encoding(void) +{ + return rb_utf8_encoding(); +} + +static VALUE +enc_associate(VALUE obj, parser_encoding *enc) +{ + return rb_enc_associate(obj, enc); +} + +static parser_encoding * +ascii8bit_encoding(void) +{ + return rb_ascii8bit_encoding(); +} + +static int +enc_codelen(int c, parser_encoding *enc) +{ + return rb_enc_codelen(c, enc); +} + +static int +enc_mbcput(unsigned int c, void *buf, parser_encoding *enc) +{ + return rb_enc_mbcput(c, buf, enc); +} + +static int +enc_mbclen(const char *p, const char *e, parser_encoding *enc) +{ + return rb_enc_mbclen(p, e, enc); +} + +static parser_encoding * +enc_from_index(int idx) +{ + return rb_enc_from_index(idx); +} + +static int +enc_isspace(OnigCodePoint c, parser_encoding *enc) +{ + return rb_enc_isspace(c, enc); +} + +static ID +intern3(const char *name, long len, parser_encoding *enc) +{ + return rb_intern3(name, len, enc); +} + +static parser_encoding * +usascii_encoding(void) +{ + return rb_usascii_encoding(); +} + +static int +enc_symname_type(const char *name, long len, parser_encoding *enc, unsigned int allowed_attrset) +{ + return rb_enc_symname_type(name, len, enc, allowed_attrset); +} + +typedef struct { + struct parser_params *parser; + rb_encoding *enc; + NODE *succ_block; + const rb_code_location_t *loc; +} reg_named_capture_assign_t; + +static int +reg_named_capture_assign_iter(const OnigUChar *name, const OnigUChar *name_end, + int back_num, int *back_refs, OnigRegex regex, void *arg0) +{ + reg_named_capture_assign_t *arg = (reg_named_capture_assign_t*)arg0; + struct parser_params* p = arg->parser; + rb_encoding *enc = arg->enc; + const rb_code_location_t *loc = arg->loc; + long len = name_end - name; + const char *s = (const char *)name; + + return rb_reg_named_capture_assign_iter_impl(p, s, len, enc, &arg->succ_block, loc); +} + +static NODE * +reg_named_capture_assign(struct parser_params* p, VALUE regexp, const rb_code_location_t *loc) +{ + reg_named_capture_assign_t arg; + + arg.parser = p; + arg.enc = rb_enc_get(regexp); + arg.succ_block = 0; + arg.loc = loc; + onig_foreach_name(RREGEXP_PTR(regexp), reg_named_capture_assign_iter, &arg); + + if (!arg.succ_block) return 0; + return RNODE_BLOCK(arg.succ_block)->nd_next; +} + +static int +rtest(VALUE obj) +{ + return (int)RB_TEST(obj); +} + +static int +nil_p(VALUE obj) +{ + return (int)NIL_P(obj); +} + +static VALUE +syntax_error_new(void) +{ + return rb_class_new_instance(0, 0, rb_eSyntaxError); +} + +static void * +memmove2(void *dest, const void *src, size_t t, size_t n) +{ + return memmove(dest, src, rbimpl_size_mul_or_raise(t, n)); +} + +static void * +nonempty_memcpy(void *dest, const void *src, size_t t, size_t n) +{ + return ruby_nonempty_memcpy(dest, src, rbimpl_size_mul_or_raise(t, n)); +} + +static VALUE +ruby_verbose2(void) +{ + return ruby_verbose; +} + +static int * +rb_errno_ptr2(void) +{ + return rb_errno_ptr(); +} + +static void * +zalloc(size_t elemsiz) +{ + return ruby_xcalloc(1, elemsiz); +} + +static void +gc_guard(VALUE obj) +{ + RB_GC_GUARD(obj); +} + +static VALUE +arg_error(void) +{ + return rb_eArgError; +} + +static VALUE +static_id2sym(ID id) +{ + return (((VALUE)(id)<<RUBY_SPECIAL_SHIFT)|SYMBOL_FLAG); +} + +static long +str_coderange_scan_restartable(const char *s, const char *e, parser_encoding *enc, int *cr) +{ + return rb_str_coderange_scan_restartable(s, e, enc, cr); +} + +static int +enc_mbminlen(parser_encoding *enc) +{ + return rb_enc_mbminlen(enc); +} + +static bool +enc_isascii(OnigCodePoint c, parser_encoding *enc) +{ + return rb_enc_isascii(c, enc); +} + +static OnigCodePoint +enc_mbc_to_codepoint(const char *p, const char *e, parser_encoding *enc) +{ + const OnigUChar *up = RBIMPL_CAST((const OnigUChar *)p); + const OnigUChar *ue = RBIMPL_CAST((const OnigUChar *)e); + + return ONIGENC_MBC_TO_CODE((rb_encoding *)enc, up, ue); +} + +extern VALUE rb_eArgError; + +static const rb_parser_config_t rb_global_parser_config = { + .malloc = ruby_xmalloc, + .calloc = ruby_xcalloc, + .realloc = ruby_xrealloc, + .free = ruby_xfree, + .alloc_n = ruby_xmalloc2, + .alloc = ruby_xmalloc, + .realloc_n = ruby_xrealloc2, + .zalloc = zalloc, + .rb_memmove = memmove2, + .nonempty_memcpy = nonempty_memcpy, + .xmalloc_mul_add = rb_xmalloc_mul_add, + + .compile_callback = rb_suppress_tracing, + .reg_named_capture_assign = reg_named_capture_assign, + + .attr_get = rb_attr_get, + + .ary_new = rb_ary_new, + .ary_push = rb_ary_push, + .ary_new_from_args = rb_ary_new_from_args, + .ary_unshift = rb_ary_unshift, + + .make_temporary_id = rb_make_temporary_id, + .is_local_id = is_local_id2, + .is_attrset_id = is_attrset_id2, + .is_global_name_punct = is_global_name_punct, + .id_type = id_type, + .id_attrset = rb_id_attrset, + .intern = rb_intern, + .intern2 = rb_intern2, + .intern3 = intern3, + .intern_str = rb_intern_str, + .is_notop_id = is_notop_id2, + .enc_symname_type = enc_symname_type, + .id2name = rb_id2name, + .id2str = rb_id2str, + .id2sym = rb_id2sym, + .sym2id = rb_sym2id, + + .str_catf = rb_str_catf, + .str_cat_cstr = rb_str_cat_cstr, + .str_modify = rb_str_modify, + .str_set_len = rb_str_set_len, + .str_cat = rb_str_cat, + .str_resize = rb_str_resize, + .str_new = rb_str_new, + .str_new_cstr = rb_str_new_cstr, + .str_to_interned_str = rb_str_to_interned_str, + .is_ascii_string = is_ascii_string2, + .enc_str_new = enc_str_new, + .str_vcatf = rb_str_vcatf, + .string_value_cstr = rb_string_value_cstr, + .rb_sprintf = rb_sprintf, + .rstring_ptr = RSTRING_PTR, + .rstring_end = RSTRING_END, + .rstring_len = RSTRING_LEN, + .obj_as_string = rb_obj_as_string, + + .int2num = rb_int2num_inline, + + .stderr_tty_p = rb_stderr_tty_p, + .write_error_str = rb_write_error_str, + .io_write = rb_io_write, + .io_flush = rb_io_flush, + .io_puts = rb_io_puts, + + .debug_output_stdout = rb_ractor_stdout, + .debug_output_stderr = rb_ractor_stderr, + + .is_usascii_enc = is_usascii_enc, + .enc_isalnum = enc_isalnum, + .enc_precise_mbclen = enc_precise_mbclen, + .mbclen_charfound_p = mbclen_charfound_p, + .mbclen_charfound_len = mbclen_charfound_len, + .enc_name = enc_name, + .enc_prev_char = enc_prev_char, + .enc_get = enc_get, + .enc_asciicompat = enc_asciicompat, + .utf8_encoding = utf8_encoding, + .enc_associate = enc_associate, + .ascii8bit_encoding = ascii8bit_encoding, + .enc_codelen = enc_codelen, + .enc_mbcput = enc_mbcput, + .enc_mbclen = enc_mbclen, + .enc_find_index = rb_enc_find_index, + .enc_from_index = enc_from_index, + .enc_isspace = enc_isspace, + .enc_coderange_7bit = ENC_CODERANGE_7BIT, + .enc_coderange_unknown = ENC_CODERANGE_UNKNOWN, + .usascii_encoding = usascii_encoding, + .enc_coderange_broken = ENC_CODERANGE_BROKEN, + .enc_mbminlen = enc_mbminlen, + .enc_isascii = enc_isascii, + .enc_mbc_to_codepoint = enc_mbc_to_codepoint, + + .local_defined = local_defined, + .dvar_defined = dvar_defined, + + .syntax_error_append = syntax_error_append, + .raise = rb_raise, + .syntax_error_new = syntax_error_new, + + .errinfo = rb_errinfo, + .set_errinfo = rb_set_errinfo, + .exc_raise = rb_exc_raise, + .make_exception = rb_make_exception, + + .sized_xfree = ruby_sized_xfree, + .sized_realloc_n = ruby_sized_realloc_n, + .gc_guard = gc_guard, + .gc_mark = rb_gc_mark, + + .reg_compile = rb_reg_compile, + .reg_check_preprocess = rb_reg_check_preprocess, + .memcicmp = rb_memcicmp, + + .compile_warn = rb_compile_warn, + .compile_warning = rb_compile_warning, + .bug = rb_bug, + .fatal = rb_fatal, + .verbose = ruby_verbose2, + .errno_ptr = rb_errno_ptr2, + + .make_backtrace = rb_make_backtrace, + + .scan_hex = ruby_scan_hex, + .scan_oct = ruby_scan_oct, + .scan_digits = ruby_scan_digits, + .strtod = ruby_strtod, + + .rtest = rtest, + .nil_p = nil_p, + .qnil = Qnil, + .qfalse = Qfalse, + .eArgError = arg_error, + .long2int = rb_long2int, + + /* For Ripper */ + .static_id2sym = static_id2sym, + .str_coderange_scan_restartable = str_coderange_scan_restartable, +}; +#endif + +enum lex_type { + lex_type_str, + lex_type_io, + lex_type_array, + lex_type_generic, +}; + +struct ruby_parser { + rb_parser_t *parser_params; + enum lex_type type; + union { + struct lex_pointer_string lex_str; + struct { + VALUE file; + } lex_io; + struct { + VALUE ary; + } lex_array; + } data; +}; + +static void +parser_mark(void *ptr) +{ + struct ruby_parser *parser = (struct ruby_parser*)ptr; + rb_ruby_parser_mark(parser->parser_params); + + switch (parser->type) { + case lex_type_str: + rb_gc_mark(parser->data.lex_str.str); + break; + case lex_type_io: + rb_gc_mark(parser->data.lex_io.file); + break; + case lex_type_array: + rb_gc_mark(parser->data.lex_array.ary); + break; + case lex_type_generic: + /* noop. Caller of rb_parser_compile_generic should mark the objects. */ + break; + } +} + +static void +parser_free(void *ptr) +{ + struct ruby_parser *parser = (struct ruby_parser*)ptr; + rb_ruby_parser_free(parser->parser_params); + xfree(parser); +} + +static size_t +parser_memsize(const void *ptr) +{ + struct ruby_parser *parser = (struct ruby_parser*)ptr; + return rb_ruby_parser_memsize(parser->parser_params); +} + +static const rb_data_type_t ruby_parser_data_type = { + "parser", + { + parser_mark, + parser_free, + parser_memsize, + }, + 0, 0, RUBY_TYPED_FREE_IMMEDIATELY +}; + +#ifdef UNIVERSAL_PARSER +const rb_parser_config_t * +rb_ruby_parser_config(void) +{ + return &rb_global_parser_config; +} + +rb_parser_t * +rb_parser_params_new(void) +{ + return rb_ruby_parser_new(&rb_global_parser_config); +} +#else +rb_parser_t * +rb_parser_params_new(void) +{ + return rb_ruby_parser_new(); +} +#endif /* UNIVERSAL_PARSER */ + +VALUE +rb_parser_new(void) +{ + struct ruby_parser *parser; + rb_parser_t *parser_params; + + /* + * Create parser_params ahead of vparser because + * rb_ruby_parser_new can run GC so if create vparser + * first, parser_mark tries to mark not initialized parser_params. + */ + parser_params = rb_parser_params_new(); + VALUE vparser = TypedData_Make_Struct(0, struct ruby_parser, + &ruby_parser_data_type, parser); + parser->parser_params = parser_params; + + return vparser; +} + +void +rb_parser_set_options(VALUE vparser, int print, int loop, int chomp, int split) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + rb_ruby_parser_set_options(parser->parser_params, print, loop, chomp, split); +} + +VALUE +rb_parser_set_context(VALUE vparser, const struct rb_iseq_struct *base, int main) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + rb_ruby_parser_set_context(parser->parser_params, base, main); + return vparser; +} + +void +rb_parser_set_script_lines(VALUE vparser) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + rb_ruby_parser_set_script_lines(parser->parser_params); +} + +void +rb_parser_error_tolerant(VALUE vparser) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + rb_ruby_parser_error_tolerant(parser->parser_params); +} + +void +rb_parser_keep_tokens(VALUE vparser) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + rb_ruby_parser_keep_tokens(parser->parser_params); +} + +rb_parser_string_t * +rb_parser_lex_get_str(struct parser_params *p, struct lex_pointer_string *ptr_str) +{ + char *beg, *end, *start; + long len; + VALUE s = ptr_str->str; + + beg = RSTRING_PTR(s); + len = RSTRING_LEN(s); + start = beg; + if (ptr_str->ptr) { + if (len == ptr_str->ptr) return 0; + beg += ptr_str->ptr; + len -= ptr_str->ptr; + } + end = memchr(beg, '\n', len); + if (end) len = ++end - beg; + ptr_str->ptr += len; + return rb_str_to_parser_string(p, rb_str_subseq(s, beg - start, len)); +} + +static rb_parser_string_t * +lex_get_str(struct parser_params *p, rb_parser_input_data input, int line_count) +{ + return rb_parser_lex_get_str(p, (struct lex_pointer_string *)input); +} + +static void parser_aset_script_lines_for(VALUE path, rb_parser_ary_t *lines); + +static rb_ast_t* +parser_compile(rb_parser_t *p, rb_parser_lex_gets_func *gets, VALUE fname, rb_parser_input_data input, int line) +{ + rb_ast_t *ast; + const char *ptr = 0; + long len = 0; + rb_encoding *enc = 0; + + if (!NIL_P(fname)) { + StringValueCStr(fname); + ptr = RSTRING_PTR(fname); + len = RSTRING_LEN(fname); + enc = rb_enc_get(fname); + } + + ast = rb_parser_compile(p, gets, ptr, len, enc, input, line); + parser_aset_script_lines_for(fname, ast->body.script_lines); + return ast; +} + +static rb_ast_t* +parser_compile_string0(struct ruby_parser *parser, VALUE fname, VALUE s, int line) +{ + VALUE str = rb_str_new_frozen(s); + + parser->type = lex_type_str; + parser->data.lex_str.str = str; + parser->data.lex_str.ptr = 0; + + return parser_compile(parser->parser_params, lex_get_str, fname, (rb_parser_input_data)&parser->data, line); +} + +static rb_encoding * +must_be_ascii_compatible(VALUE s) +{ + rb_encoding *enc = rb_enc_get(s); + if (!rb_enc_asciicompat(enc)) { + rb_raise(rb_eArgError, "invalid source encoding"); + } + return enc; +} + +static rb_ast_t* +parser_compile_string_path(struct ruby_parser *parser, VALUE f, VALUE s, int line) +{ + must_be_ascii_compatible(s); + return parser_compile_string0(parser, f, s, line); +} + +static rb_ast_t* +parser_compile_string(struct ruby_parser *parser, const char *f, VALUE s, int line) +{ + return parser_compile_string_path(parser, rb_filesystem_str_new_cstr(f), s, line); +} + +VALUE rb_io_gets_internal(VALUE io); + +static rb_parser_string_t * +lex_io_gets(struct parser_params *p, rb_parser_input_data input, int line_count) +{ + VALUE io = (VALUE)input; + VALUE line = rb_io_gets_internal(io); + if (NIL_P(line)) return 0; + return rb_str_to_parser_string(p, line); +} + +static rb_parser_string_t * +lex_gets_array(struct parser_params *p, rb_parser_input_data data, int index) +{ + VALUE array = (VALUE)data; + VALUE str = rb_ary_entry(array, index); + if (!NIL_P(str)) { + StringValue(str); + if (!rb_enc_asciicompat(rb_enc_get(str))) { + rb_raise(rb_eArgError, "invalid source encoding"); + } + return rb_str_to_parser_string(p, str); + } + else { + return 0; + } +} + +static rb_ast_t* +parser_compile_file_path(struct ruby_parser *parser, VALUE fname, VALUE file, int start) +{ + parser->type = lex_type_io; + parser->data.lex_io.file = file; + + return parser_compile(parser->parser_params, lex_io_gets, fname, (rb_parser_input_data)file, start); +} + +static rb_ast_t* +parser_compile_array(struct ruby_parser *parser, VALUE fname, VALUE array, int start) +{ + parser->type = lex_type_array; + parser->data.lex_array.ary = array; + + return parser_compile(parser->parser_params, lex_gets_array, fname, (rb_parser_input_data)array, start); +} + +static rb_ast_t* +parser_compile_generic(struct ruby_parser *parser, rb_parser_lex_gets_func *lex_gets, VALUE fname, VALUE input, int start) +{ + parser->type = lex_type_generic; + + return parser_compile(parser->parser_params, lex_gets, fname, (rb_parser_input_data)input, start); +} + +static void +ast_free(void *ptr) +{ + rb_ast_t *ast = (rb_ast_t *)ptr; + rb_ast_free(ast); +} + +static const rb_data_type_t ast_data_type = { + "AST", + { + NULL, + ast_free, + NULL, // No dsize() because this object does not appear in ObjectSpace. + }, + 0, 0, RUBY_TYPED_FREE_IMMEDIATELY +}; + +static VALUE +ast_alloc(void) +{ + return TypedData_Wrap_Struct(0, &ast_data_type, NULL); +} + +VALUE +rb_parser_compile_file_path(VALUE vparser, VALUE fname, VALUE file, int start) +{ + struct ruby_parser *parser; + VALUE ast_value = ast_alloc(); + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + DATA_PTR(ast_value) = parser_compile_file_path(parser, fname, file, start); + RB_GC_GUARD(vparser); + + return ast_value; +} + +VALUE +rb_parser_compile_array(VALUE vparser, VALUE fname, VALUE array, int start) +{ + struct ruby_parser *parser; + VALUE ast_value = ast_alloc(); + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + DATA_PTR(ast_value) = parser_compile_array(parser, fname, array, start); + RB_GC_GUARD(vparser); + + return ast_value; +} + +VALUE +rb_parser_compile_generic(VALUE vparser, rb_parser_lex_gets_func *lex_gets, VALUE fname, VALUE input, int start) +{ + struct ruby_parser *parser; + VALUE ast_value = ast_alloc(); + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + DATA_PTR(ast_value) = parser_compile_generic(parser, lex_gets, fname, input, start); + RB_GC_GUARD(vparser); + + return ast_value; +} + +VALUE +rb_parser_compile_string(VALUE vparser, const char *f, VALUE s, int line) +{ + struct ruby_parser *parser; + VALUE ast_value = ast_alloc(); + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + DATA_PTR(ast_value) = parser_compile_string(parser, f, s, line); + RB_GC_GUARD(vparser); + + return ast_value; +} + +VALUE +rb_parser_compile_string_path(VALUE vparser, VALUE f, VALUE s, int line) +{ + struct ruby_parser *parser; + VALUE ast_value = ast_alloc(); + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + DATA_PTR(ast_value) = parser_compile_string_path(parser, f, s, line); + RB_GC_GUARD(vparser); + + return ast_value; +} + +VALUE +rb_parser_encoding(VALUE vparser) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + return rb_enc_from_encoding(rb_ruby_parser_encoding(parser->parser_params)); +} + +VALUE +rb_parser_end_seen_p(VALUE vparser) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + return RBOOL(rb_ruby_parser_end_seen_p(parser->parser_params)); +} + +VALUE +rb_parser_set_yydebug(VALUE vparser, VALUE flag) +{ + struct ruby_parser *parser; + + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + rb_ruby_parser_set_yydebug(parser->parser_params, RTEST(flag)); + return flag; +} + +void +rb_set_script_lines_for(VALUE vparser, VALUE path) +{ + struct ruby_parser *parser; + VALUE hash; + ID script_lines; + CONST_ID(script_lines, "SCRIPT_LINES__"); + if (!rb_const_defined_at(rb_cObject, script_lines)) return; + hash = rb_const_get_at(rb_cObject, script_lines); + if (RB_TYPE_P(hash, T_HASH)) { + rb_hash_aset(hash, path, Qtrue); + TypedData_Get_Struct(vparser, struct ruby_parser, &ruby_parser_data_type, parser); + rb_ruby_parser_set_script_lines(parser->parser_params); + } +} + +VALUE +rb_parser_build_script_lines_from(rb_parser_ary_t *lines) +{ + int i; + if (!lines) return Qnil; + if (lines->data_type != PARSER_ARY_DATA_SCRIPT_LINE) { + rb_bug("unexpected rb_parser_ary_data_type (%d) for script lines", lines->data_type); + } + VALUE script_lines = rb_ary_new_capa(lines->len); + for (i = 0; i < lines->len; i++) { + rb_parser_string_t *str = (rb_parser_string_t *)lines->data[i]; + rb_ary_push(script_lines, rb_enc_str_new(str->ptr, str->len, str->enc)); + } + return script_lines; +} + +VALUE +rb_str_new_parser_string(rb_parser_string_t *str) +{ + VALUE string = rb_enc_interned_str(str->ptr, str->len, str->enc); + rb_enc_str_coderange(string); + return string; +} + +VALUE +rb_str_new_mutable_parser_string(rb_parser_string_t *str) +{ + return rb_enc_str_new(str->ptr, str->len, str->enc); +} + +static VALUE +negative_numeric(VALUE val) +{ + if (FIXNUM_P(val)) { + return LONG2FIX(-FIX2LONG(val)); + } + if (SPECIAL_CONST_P(val)) { +#if USE_FLONUM + if (FLONUM_P(val)) { + return DBL2NUM(-RFLOAT_VALUE(val)); + } +#endif + goto unknown; + } + switch (BUILTIN_TYPE(val)) { + case T_BIGNUM: + BIGNUM_NEGATE(val); + val = rb_big_norm(val); + break; + case T_RATIONAL: + RATIONAL_SET_NUM(val, negative_numeric(RRATIONAL(val)->num)); + break; + case T_COMPLEX: + RCOMPLEX_SET_REAL(val, negative_numeric(RCOMPLEX(val)->real)); + RCOMPLEX_SET_IMAG(val, negative_numeric(RCOMPLEX(val)->imag)); + break; + case T_FLOAT: + val = DBL2NUM(-RFLOAT_VALUE(val)); + break; + unknown: + default: + rb_bug("unknown literal type (%s) passed to negative_numeric", + rb_builtin_class_name(val)); + break; + } + return val; +} + +static VALUE +integer_value(const char *val, int base) +{ + return rb_cstr_to_inum(val, base, FALSE); +} + +static VALUE +rational_value(const char *node_val, int base, int seen_point) +{ + VALUE lit; + char* val = strdup(node_val); + if (seen_point > 0) { + int len = (int)(strlen(val)); + char *point = &val[seen_point]; + size_t fraclen = len-seen_point-1; + memmove(point, point+1, fraclen+1); + + lit = rb_rational_new(integer_value(val, base), rb_int_positive_pow(10, fraclen)); + } + else { + lit = rb_rational_raw1(integer_value(val, base)); + } + + free(val); + + return lit; +} + +VALUE +rb_node_integer_literal_val(const NODE *n) +{ + const rb_node_integer_t *node = RNODE_INTEGER(n); + VALUE val = integer_value(node->val, node->base); + if (node->minus) { + val = negative_numeric(val); + } + return val; +} + +VALUE +rb_node_float_literal_val(const NODE *n) +{ + const rb_node_float_t *node = RNODE_FLOAT(n); + double d = strtod(node->val, 0); + if (node->minus) { + d = -d; + } + VALUE val = DBL2NUM(d); + return val; +} + +VALUE +rb_node_rational_literal_val(const NODE *n) +{ + VALUE lit; + const rb_node_rational_t *node = RNODE_RATIONAL(n); + + lit = rational_value(node->val, node->base, node->seen_point); + + if (node->minus) { + lit = negative_numeric(lit); + } + + return lit; +} + +VALUE +rb_node_imaginary_literal_val(const NODE *n) +{ + VALUE lit; + const rb_node_imaginary_t *node = RNODE_IMAGINARY(n); + + enum rb_numeric_type type = node->type; + + switch (type) { + case integer_literal: + lit = integer_value(node->val, node->base); + break; + case float_literal:{ + double d = strtod(node->val, 0); + lit = DBL2NUM(d); + break; + } + case rational_literal: + lit = rational_value(node->val, node->base, node->seen_point); + break; + default: + rb_bug("unreachable"); + } + + lit = rb_complex_raw(INT2FIX(0), lit); + + if (node->minus) { + lit = negative_numeric(lit); + } + return lit; +} + +VALUE +rb_node_str_string_val(const NODE *node) +{ + rb_parser_string_t *str = RNODE_STR(node)->string; + return rb_str_new_parser_string(str); +} + +VALUE +rb_node_sym_string_val(const NODE *node) +{ + rb_parser_string_t *str = RNODE_SYM(node)->string; + return ID2SYM(rb_intern3(str->ptr, str->len, str->enc)); +} + +VALUE +rb_node_dstr_string_val(const NODE *node) +{ + rb_parser_string_t *str = RNODE_DSTR(node)->string; + return str ? rb_str_new_parser_string(str) : Qnil; +} + +VALUE +rb_node_dregx_string_val(const NODE *node) +{ + rb_parser_string_t *str = RNODE_DREGX(node)->string; + return rb_str_new_parser_string(str); +} + +VALUE +rb_node_regx_string_val(const NODE *node) +{ + rb_node_regx_t *node_reg = RNODE_REGX(node); + rb_parser_string_t *string = node_reg->string; + VALUE str = rb_enc_str_new(string->ptr, string->len, string->enc); + + return rb_reg_compile(str, node_reg->options, NULL, 0); +} + +VALUE +rb_node_line_lineno_val(const NODE *node) +{ + return INT2FIX(node->nd_loc.beg_pos.lineno); +} + +VALUE +rb_node_file_path_val(const NODE *node) +{ + return rb_str_new_parser_string(RNODE_FILE(node)->path); +} + +VALUE +rb_node_encoding_val(const NODE *node) +{ + return rb_enc_from_encoding(RNODE_ENCODING(node)->enc); +} + +static void +parser_aset_script_lines_for(VALUE path, rb_parser_ary_t *lines) +{ + VALUE hash, script_lines; + ID script_lines_id; + if (NIL_P(path) || !lines) return; + CONST_ID(script_lines_id, "SCRIPT_LINES__"); + if (!rb_const_defined_at(rb_cObject, script_lines_id)) return; + hash = rb_const_get_at(rb_cObject, script_lines_id); + if (!RB_TYPE_P(hash, T_HASH)) return; + if (rb_hash_lookup(hash, path) == Qnil) return; + script_lines = rb_parser_build_script_lines_from(lines); + rb_hash_aset(hash, path, script_lines); +} + +VALUE +rb_ruby_ast_new(const NODE *const root) +{ + rb_ast_t *ast; + VALUE ast_value = TypedData_Make_Struct(0, rb_ast_t, &ast_data_type, ast); +#ifdef UNIVERSAL_PARSER + ast->config = &rb_global_parser_config; +#endif + ast->body = (rb_ast_body_t){ + .root = root, + .frozen_string_literal = -1, + .coverage_enabled = -1, + .script_lines = NULL, + .line_count = 0, + }; + return ast_value; +} + +rb_ast_t * +rb_ruby_ast_data_get(VALUE ast_value) +{ + rb_ast_t *ast; + if (NIL_P(ast_value)) return NULL; + TypedData_Get_Struct(ast_value, rb_ast_t, &ast_data_type, ast); + return ast; +} |