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implement literal %W %w %s

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refactor string parsing
This commit is contained in:
FUKUZAWA-Tadashi
2013-03-12 21:54:17 +09:00
parent 7872bee700
commit 44fbfc5184
6 changed files with 921 additions and 820 deletions
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include/mruby/compile.h
+21 -7
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@@ -58,16 +58,31 @@ struct mrb_parser_message {
char* message;
};
/* heredoc parse type */
enum heredoc_type {
heredoc_type_norm, /* <<EOH */
heredoc_type_quote, /* <<'EOH' */
#define STR_FUNC_PARSING 0x01
#define STR_FUNC_EXPAND 0x02
#define STR_FUNC_REGEXP 0x04
#define STR_FUNC_WORD 0x08
#define STR_FUNC_SYMBOL 0x10
#define STR_FUNC_ARRAY 0x20
#define STR_FUNC_HEREDOC 0x40
enum mrb_string_type {
str_not_parsing = (0),
str_squote = (STR_FUNC_PARSING),
str_dquote = (STR_FUNC_PARSING|STR_FUNC_EXPAND),
str_regexp = (STR_FUNC_PARSING|STR_FUNC_REGEXP|STR_FUNC_EXPAND),
str_sword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY),
str_dword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
str_ssym = (STR_FUNC_PARSING|STR_FUNC_SYMBOL),
str_sheredoc = (STR_FUNC_PARSING|STR_FUNC_HEREDOC),
str_dheredoc = (STR_FUNC_PARSING|STR_FUNC_HEREDOC|STR_FUNC_EXPAND),
};
/* heredoc structure */
struct mrb_parser_heredoc_info {
enum heredoc_type type;
mrb_bool allow_indent:1;
mrb_bool line_head:1;
enum mrb_string_type type;
const char *term;
int term_len;
mrb_ast_node *doc;
@@ -85,8 +100,7 @@ struct mrb_parser_state {
int column;
enum mrb_lex_state_enum lstate;
int sterm; /* string terminator : ' ' means heredoc */
int regexp;
mrb_ast_node *lex_strterm; /* (type nest_level beg . end) */
unsigned int cond_stack;
unsigned int cmdarg_stack;