diff options
| author | Stefan Eßer <se@FreeBSD.org> | 2022-06-11 09:50:28 +0000 |
|---|---|---|
| committer | Stefan Eßer <se@FreeBSD.org> | 2022-06-11 09:50:28 +0000 |
| commit | 5bdd626528a2bb3e341e283b2eb279235997b8f4 (patch) | |
| tree | 76ed2ffea2671f693d61e61f456805da8c39c7b2 /include/lex.h | |
| parent | ed0603704174b01c25b49efc08c82e1532dc5622 (diff) | |
vendor/bc: import of version 5.3.0vendor/bc/5.3.0
This version adds support for command line editing and history using
the editline or readline libraries in addition to the line editing
features available in previous versions.
Diffstat (limited to 'include/lex.h')
| -rw-r--r-- | include/lex.h | 49 |
1 files changed, 31 insertions, 18 deletions
diff --git a/include/lex.h b/include/lex.h index 129b9940618f..20be6efa9cde 100644 --- a/include/lex.h +++ b/include/lex.h @@ -84,8 +84,8 @@ ((c) == '.' && !(pt) && !(int_only))) /// An enum of lex token types. -typedef enum BcLexType { - +typedef enum BcLexType +{ /// End of file. BC_LEX_EOF, @@ -462,10 +462,10 @@ struct BcLex; typedef void (*BcLexNext)(struct BcLex* l); /// The lexer. -typedef struct BcLex { - +typedef struct BcLex +{ /// A pointer to the text to lex. - const char *buf; + const char* buf; /// The current index into buf. size_t i; @@ -502,7 +502,8 @@ typedef struct BcLex { * Initializes a lexer. * @param l The lexer to initialize. */ -void bc_lex_init(BcLex *l); +void +bc_lex_init(BcLex* l); /** * Frees a lexer. This is not guarded by #ifndef NDEBUG because a separate @@ -510,14 +511,16 @@ void bc_lex_init(BcLex *l); * that parser needs a lexer. * @param l The lexer to free. */ -void bc_lex_free(BcLex *l); +void +bc_lex_free(BcLex* l); /** * Sets the filename that the lexer will be lexing. * @param l The lexer. * @param file The filename that the lexer will lex. */ -void bc_lex_file(BcLex *l, const char *file); +void +bc_lex_file(BcLex* l, const char* file); /** * Sets the text the lexer will lex. @@ -527,32 +530,37 @@ void bc_lex_file(BcLex *l, const char *file); * @param is_exprs True if the text is from command-line expressions, false * otherwise. */ -void bc_lex_text(BcLex *l, const char *text, bool is_stdin, bool is_exprs); +void +bc_lex_text(BcLex* l, const char* text, bool is_stdin, bool is_exprs); /** * Generic next function for the parser to call. It takes care of calling the * correct @a BcLexNext function and consuming whitespace. * @param l The lexer. */ -void bc_lex_next(BcLex *l); +void +bc_lex_next(BcLex* l); /** * Lexes a line comment (one beginning with '#' and going to a newline). * @param l The lexer. */ -void bc_lex_lineComment(BcLex *l); +void +bc_lex_lineComment(BcLex* l); /** * Lexes a general comment (C-style comment). * @param l The lexer. */ -void bc_lex_comment(BcLex *l); +void +bc_lex_comment(BcLex* l); /** * Lexes whitespace, finding as much as possible. * @param l The lexer. */ -void bc_lex_whitespace(BcLex *l); +void +bc_lex_whitespace(BcLex* l); /** * Lexes a number that begins with char @a start. This takes care of parsing @@ -562,32 +570,37 @@ void bc_lex_whitespace(BcLex *l); * this function, the lexer had to eat the first char. It fixes * that by passing it in. */ -void bc_lex_number(BcLex *l, char start); +void +bc_lex_number(BcLex* l, char start); /** * Lexes a name/identifier. * @param l The lexer. */ -void bc_lex_name(BcLex *l); +void +bc_lex_name(BcLex* l); /** * Lexes common whitespace characters. * @param l The lexer. * @param c The character to lex. */ -void bc_lex_commonTokens(BcLex *l, char c); +void +bc_lex_commonTokens(BcLex* l, char c); /** * Throws a parse error because char @a c was invalid. * @param l The lexer. * @param c The problem character. */ -void bc_lex_invalidChar(BcLex *l, char c); +void +bc_lex_invalidChar(BcLex* l, char c); /** * Reads a line from stdin and puts it into the lexer's buffer. * @param l The lexer. */ -bool bc_lex_readLine(BcLex *l); +bool +bc_lex_readLine(BcLex* l); #endif // BC_LEX_H |