diff options
Diffstat (limited to 'tools/aidl/aidl_language_l.l')
| -rw-r--r-- | tools/aidl/aidl_language_l.l | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/tools/aidl/aidl_language_l.l b/tools/aidl/aidl_language_l.l deleted file mode 100644 index 540b550035ff..000000000000 --- a/tools/aidl/aidl_language_l.l +++ /dev/null @@ -1,196 +0,0 @@ -%{ -#include "aidl_language.h" -#include "aidl_language_y.hpp" -#include "search_path.h" -#include <string.h> -#include <stdlib.h> - -extern YYSTYPE yylval; - -// comment and whitespace handling -// these functions save a copy of the buffer -static void begin_extra_text(unsigned lineno, which_extra_text which); -static void append_extra_text(char* text); -static extra_text_type* get_extra_text(void); // you now own the object - // this returns -static void drop_extra_text(void); - -// package handling -static void do_package_statement(const char* importText); - -#define SET_BUFFER(t) \ - do { \ - yylval->buffer.lineno = yyget_lineno(yyscanner); \ - yylval->buffer.token = (t); \ - yylval->buffer.data = strdup(yytext); \ - yylval->buffer.extra = get_extra_text(); \ - } while(0) - -%} - -%option yylineno -%option noyywrap -%option reentrant -%option bison-bridge -%option bison-locations - -%x COPYING LONG_COMMENT - -identifier [_a-zA-Z][_a-zA-Z0-9\.]* -whitespace ([ \t\n\r]+) -brackets \[{whitespace}?\] -idvalue (0|[1-9][0-9]*) - -%% - - -\%\%\{ { begin_extra_text(yylineno, COPY_TEXT); BEGIN(COPYING); } -<COPYING>\}\%\% { BEGIN(INITIAL); } -<COPYING>.*\n { append_extra_text(yytext); } -<COPYING>.* { append_extra_text(yytext); } -<COPYING>\n+ { append_extra_text(yytext); } - - -\/\* { begin_extra_text(yylineno, (which_extra_text)LONG_COMMENT); - BEGIN(LONG_COMMENT); } -<LONG_COMMENT>[^*]* { append_extra_text(yytext); } -<LONG_COMMENT>\*+[^/] { append_extra_text(yytext); } -<LONG_COMMENT>\n { append_extra_text(yytext); } -<LONG_COMMENT>\**\/ { BEGIN(INITIAL); } - -^{whitespace}?import{whitespace}[^ \t\r\n]+{whitespace}?; { - SET_BUFFER(yy::parser::token::IMPORT); - return yy::parser::token::IMPORT; - } -^{whitespace}?package{whitespace}[^ \t\r\n]+{whitespace}?; { - do_package_statement(yytext); - SET_BUFFER(yy::parser::token::PACKAGE); - return yy::parser::token::PACKAGE; - } -<<EOF>> { yyterminate(); } - -\/\/.*\n { begin_extra_text(yylineno, SHORT_COMMENT); - append_extra_text(yytext); } - -{whitespace} { /* begin_extra_text(yylineno, WHITESPACE); - append_extra_text(yytext); */ } - -; { SET_BUFFER(';'); return ';'; } -\{ { SET_BUFFER('{'); return '{'; } -\} { SET_BUFFER('}'); return '}'; } -\( { SET_BUFFER('('); return '('; } -\) { SET_BUFFER(')'); return ')'; } -, { SET_BUFFER(','); return ','; } -= { SET_BUFFER('='); return '='; } - - /* keywords */ -parcelable { SET_BUFFER(yy::parser::token::PARCELABLE); return yy::parser::token::PARCELABLE; } -interface { SET_BUFFER(yy::parser::token::INTERFACE); return yy::parser::token::INTERFACE; } -in { SET_BUFFER(yy::parser::token::IN); return yy::parser::token::IN; } -out { SET_BUFFER(yy::parser::token::OUT); return yy::parser::token::OUT; } -inout { SET_BUFFER(yy::parser::token::INOUT); return yy::parser::token::INOUT; } -oneway { SET_BUFFER(yy::parser::token::ONEWAY); return yy::parser::token::ONEWAY; } - -{brackets}+ { SET_BUFFER(yy::parser::token::ARRAY); return yy::parser::token::ARRAY; } -{idvalue} { SET_BUFFER(yy::parser::token::IDVALUE); return yy::parser::token::IDVALUE; } -{identifier} { SET_BUFFER(yy::parser::token::IDENTIFIER); return yy::parser::token::IDENTIFIER; } -{identifier}\<{whitespace}*{identifier}({whitespace}*,{whitespace}*{identifier})*{whitespace}*\> { - SET_BUFFER(yy::parser::token::GENERIC); return yy::parser::token::GENERIC; } - - /* syntax error! */ -. { printf("UNKNOWN(%s)", yytext); - yylval->buffer.lineno = yylineno; - yylval->buffer.token = yy::parser::token::IDENTIFIER; - yylval->buffer.data = strdup(yytext); - return yy::parser::token::IDENTIFIER; - } - -%% - -// comment and whitespace handling -// ================================================ -extra_text_type* g_extraText = NULL; -extra_text_type* g_nextExtraText = NULL; - -void begin_extra_text(unsigned lineno, which_extra_text which) -{ - extra_text_type* text = (extra_text_type*)malloc(sizeof(extra_text_type)); - text->lineno = lineno; - text->which = which; - text->data = NULL; - text->len = 0; - text->next = NULL; - if (g_nextExtraText == NULL) { - g_extraText = text; - } else { - g_nextExtraText->next = text; - } - g_nextExtraText = text; -} - -void append_extra_text(char* text) -{ - if (g_nextExtraText->data == NULL) { - g_nextExtraText->data = strdup(text); - g_nextExtraText->len = strlen(text); - } else { - char* orig = g_nextExtraText->data; - unsigned oldLen = g_nextExtraText->len; - unsigned len = strlen(text); - g_nextExtraText->len += len; - g_nextExtraText->data = (char*)malloc(g_nextExtraText->len+1); - memcpy(g_nextExtraText->data, orig, oldLen); - memcpy(g_nextExtraText->data+oldLen, text, len); - g_nextExtraText->data[g_nextExtraText->len] = '\0'; - free(orig); - } -} - -extra_text_type* -get_extra_text(void) -{ - extra_text_type* result = g_extraText; - g_extraText = NULL; - g_nextExtraText = NULL; - return result; -} - -void drop_extra_text(void) -{ - extra_text_type* p = g_extraText; - while (p) { - extra_text_type* next = p->next; - free(p->data); - free(p); - free(next); - } - g_extraText = NULL; - g_nextExtraText = NULL; -} - - -// package handling -// ================================================ -void do_package_statement(const char* importText) -{ - if (g_currentPackage) free((void*)g_currentPackage); - g_currentPackage = parse_import_statement(importText); -} - - -// main parse function -// ================================================ -extern ParseState *psGlobal; -char const* g_currentPackage = NULL; - -int parse_aidl(char const *filename) { - ParseState ps(filename); - psGlobal = &ps; - - if (!ps.OpenFileFromDisk()) { - fprintf(stderr, "aidl: unable to open file for read: %s\n", filename); - return 1; - } - - return ps.RunParser(); -} |