mirror of
https://github.com/reactos/CMake.git
synced 2024-11-24 20:19:53 +00:00
ENH: Added cmListFileLexer_SetString method to allow a string to be parsed as input.
This commit is contained in:
Brad King
parent
7aaf404cc1
commit
5473791b4b
@ -503,6 +503,7 @@ Modify cmListFileLexer.c:
|
||||
#define ECHO
|
||||
|
||||
/* Setup the proper yylex declaration. */
|
||||
#define YY_EXTRA_TYPE cmListFileLexer*
|
||||
#define YY_DECL int yylex (yyscan_t yyscanner, cmListFileLexer* lexer)
|
||||
|
||||
/* Disable some warnings. */
|
||||
@ -528,6 +529,9 @@ struct cmListFileLexer_s
|
||||
int column;
|
||||
int size;
|
||||
FILE* file;
|
||||
char* string_buffer;
|
||||
char* string_position;
|
||||
int string_left;
|
||||
yyscan_t scanner;
|
||||
};
|
||||
|
||||
@ -535,10 +539,19 @@ static void cmListFileLexerSetToken(cmListFileLexer* lexer, const char* text,
|
||||
int length);
|
||||
static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
|
||||
int length);
|
||||
static int cmListFileLexerInput(cmListFileLexer* lexer, char* buffer,
|
||||
size_t bufferSize);
|
||||
static void cmListFileLexerInit(cmListFileLexer* lexer);
|
||||
static void cmListFileLexerDestroy(cmListFileLexer* lexer);
|
||||
|
||||
/* Replace the lexer input function. */
|
||||
#undef YY_INPUT
|
||||
#define YY_INPUT(buf, result, max_size) \
|
||||
{ result = cmListFileLexerInput(yyget_extra(yyscanner), buf, max_size); }
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
#line 541 "cmListFileLexer.c"
|
||||
#line 555 "cmListFileLexer.c"
|
||||
|
||||
#define INITIAL 0
|
||||
#define STRING 1
|
||||
@ -630,6 +643,8 @@ extern int yywrap (yyscan_t yyscanner );
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#ifndef yytext_ptr
|
||||
static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
|
||||
#endif
|
||||
@ -752,10 +767,10 @@ YY_DECL
|
||||
register int yy_act;
|
||||
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
||||
|
||||
#line 83 "cmListFileLexer.in.l"
|
||||
#line 97 "cmListFileLexer.in.l"
|
||||
|
||||
|
||||
#line 760 "cmListFileLexer.c"
|
||||
#line 774 "cmListFileLexer.c"
|
||||
|
||||
if ( yyg->yy_init )
|
||||
{
|
||||
@ -853,7 +868,7 @@ do_action: /* This label is used only to access EOF actions. */
|
||||
case 1:
|
||||
/* rule 1 can match eol */
|
||||
YY_RULE_SETUP
|
||||
#line 85 "cmListFileLexer.in.l"
|
||||
#line 99 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_Newline;
|
||||
cmListFileLexerSetToken(lexer, yytext, yyleng);
|
||||
@ -863,14 +878,14 @@ YY_RULE_SETUP
|
||||
}
|
||||
case 2:
|
||||
YY_RULE_SETUP
|
||||
#line 93 "cmListFileLexer.in.l"
|
||||
#line 107 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->column += yyleng;
|
||||
}
|
||||
YY_BREAK
|
||||
case 3:
|
||||
YY_RULE_SETUP
|
||||
#line 97 "cmListFileLexer.in.l"
|
||||
#line 111 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_ParenLeft;
|
||||
cmListFileLexerSetToken(lexer, yytext, yyleng);
|
||||
@ -879,7 +894,7 @@ YY_RULE_SETUP
|
||||
}
|
||||
case 4:
|
||||
YY_RULE_SETUP
|
||||
#line 104 "cmListFileLexer.in.l"
|
||||
#line 118 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_ParenRight;
|
||||
cmListFileLexerSetToken(lexer, yytext, yyleng);
|
||||
@ -888,7 +903,7 @@ YY_RULE_SETUP
|
||||
}
|
||||
case 5:
|
||||
YY_RULE_SETUP
|
||||
#line 111 "cmListFileLexer.in.l"
|
||||
#line 125 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_Identifier;
|
||||
cmListFileLexerSetToken(lexer, yytext, yyleng);
|
||||
@ -897,7 +912,7 @@ YY_RULE_SETUP
|
||||
}
|
||||
case 6:
|
||||
YY_RULE_SETUP
|
||||
#line 118 "cmListFileLexer.in.l"
|
||||
#line 132 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_ArgumentUnquoted;
|
||||
cmListFileLexerSetToken(lexer, yytext, yyleng);
|
||||
@ -906,7 +921,7 @@ YY_RULE_SETUP
|
||||
}
|
||||
case 7:
|
||||
YY_RULE_SETUP
|
||||
#line 125 "cmListFileLexer.in.l"
|
||||
#line 139 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_ArgumentQuoted;
|
||||
cmListFileLexerSetToken(lexer, "", 0);
|
||||
@ -917,7 +932,7 @@ YY_RULE_SETUP
|
||||
case 8:
|
||||
/* rule 8 can match eol */
|
||||
YY_RULE_SETUP
|
||||
#line 132 "cmListFileLexer.in.l"
|
||||
#line 146 "cmListFileLexer.in.l"
|
||||
{
|
||||
cmListFileLexerAppend(lexer, yytext, yyleng);
|
||||
lexer->column += yyleng;
|
||||
@ -926,7 +941,7 @@ YY_RULE_SETUP
|
||||
case 9:
|
||||
/* rule 9 can match eol */
|
||||
YY_RULE_SETUP
|
||||
#line 137 "cmListFileLexer.in.l"
|
||||
#line 151 "cmListFileLexer.in.l"
|
||||
{
|
||||
cmListFileLexerAppend(lexer, yytext, yyleng);
|
||||
++lexer->line;
|
||||
@ -935,7 +950,7 @@ YY_RULE_SETUP
|
||||
YY_BREAK
|
||||
case 10:
|
||||
YY_RULE_SETUP
|
||||
#line 143 "cmListFileLexer.in.l"
|
||||
#line 157 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->column += yyleng;
|
||||
BEGIN(INITIAL);
|
||||
@ -943,7 +958,7 @@ YY_RULE_SETUP
|
||||
}
|
||||
case 11:
|
||||
YY_RULE_SETUP
|
||||
#line 149 "cmListFileLexer.in.l"
|
||||
#line 163 "cmListFileLexer.in.l"
|
||||
{
|
||||
cmListFileLexerAppend(lexer, yytext, yyleng);
|
||||
lexer->column += yyleng;
|
||||
@ -951,14 +966,14 @@ YY_RULE_SETUP
|
||||
YY_BREAK
|
||||
case 12:
|
||||
YY_RULE_SETUP
|
||||
#line 154 "cmListFileLexer.in.l"
|
||||
#line 168 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->column += yyleng;
|
||||
}
|
||||
YY_BREAK
|
||||
case 13:
|
||||
YY_RULE_SETUP
|
||||
#line 158 "cmListFileLexer.in.l"
|
||||
#line 172 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_Error;
|
||||
cmListFileLexerSetToken(lexer, yytext, yyleng);
|
||||
@ -967,7 +982,7 @@ YY_RULE_SETUP
|
||||
}
|
||||
case YY_STATE_EOF(INITIAL):
|
||||
case YY_STATE_EOF(STRING):
|
||||
#line 165 "cmListFileLexer.in.l"
|
||||
#line 179 "cmListFileLexer.in.l"
|
||||
{
|
||||
lexer->token.type = cmListFileLexer_Token_None;
|
||||
cmListFileLexerSetToken(lexer, 0, 0);
|
||||
@ -975,10 +990,10 @@ case YY_STATE_EOF(STRING):
|
||||
}
|
||||
case 14:
|
||||
YY_RULE_SETUP
|
||||
#line 171 "cmListFileLexer.in.l"
|
||||
#line 185 "cmListFileLexer.in.l"
|
||||
ECHO;
|
||||
YY_BREAK
|
||||
#line 991 "cmListFileLexer.c"
|
||||
#line 1005 "cmListFileLexer.c"
|
||||
|
||||
case YY_END_OF_BUFFER:
|
||||
{
|
||||
@ -1300,6 +1315,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
|
||||
return yy_is_jam ? 0 : yy_current_state;
|
||||
}
|
||||
|
||||
|
||||
#ifndef YY_NO_INPUT
|
||||
#ifdef __cplusplus
|
||||
static int yyinput (yyscan_t yyscanner)
|
||||
@ -2031,7 +2047,6 @@ void *yyalloc (yy_size_t size , yyscan_t yyscanner)
|
||||
|
||||
void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
|
||||
{
|
||||
(void)yyscanner;
|
||||
/* The cast to (char *) in the following accommodates both
|
||||
* implementations that use char* generic pointers, and those
|
||||
* that use void* generic pointers. It works with the latter
|
||||
@ -2039,6 +2054,7 @@ void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
|
||||
* any pointer type to void*, and deal with argument conversions
|
||||
* as though doing an assignment.
|
||||
*/
|
||||
(void)yyscanner;
|
||||
return (void *) realloc( (char *) ptr, size );
|
||||
}
|
||||
|
||||
@ -2062,7 +2078,7 @@ void yyfree (void * ptr , yyscan_t yyscanner)
|
||||
#undef YY_DECL_IS_OURS
|
||||
#undef YY_DECL
|
||||
#endif
|
||||
#line 171 "cmListFileLexer.in.l"
|
||||
#line 185 "cmListFileLexer.in.l"
|
||||
|
||||
|
||||
|
||||
@ -2131,6 +2147,60 @@ static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
|
||||
lexer->size = newSize;
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
static int cmListFileLexerInput(cmListFileLexer* lexer, char* buffer,
|
||||
size_t bufferSize)
|
||||
{
|
||||
if(lexer)
|
||||
{
|
||||
if(lexer->file)
|
||||
{
|
||||
return (int)fread(buffer, 1, bufferSize, lexer->file);
|
||||
}
|
||||
else if(lexer->string_left)
|
||||
{
|
||||
int length = lexer->string_left;
|
||||
if((int)bufferSize < length) { length = (int)bufferSize; }
|
||||
memcpy(buffer, lexer->string_position, length);
|
||||
lexer->string_position += length;
|
||||
lexer->string_left -= length;
|
||||
return length;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
static void cmListFileLexerInit(cmListFileLexer* lexer)
|
||||
{
|
||||
if(lexer->file || lexer->string_buffer)
|
||||
{
|
||||
yylex_init(&lexer->scanner);
|
||||
yyset_extra(lexer,lexer->scanner);
|
||||
}
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
static void cmListFileLexerDestroy(cmListFileLexer* lexer)
|
||||
{
|
||||
if(lexer->file || lexer->string_buffer)
|
||||
{
|
||||
yylex_destroy(lexer->scanner);
|
||||
if(lexer->file)
|
||||
{
|
||||
fclose(lexer->file);
|
||||
lexer->file = 0;
|
||||
}
|
||||
if(lexer->string_buffer)
|
||||
{
|
||||
free(lexer->string_buffer);
|
||||
lexer->string_buffer = 0;
|
||||
lexer->string_left = 0;
|
||||
lexer->string_position = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
cmListFileLexer* cmListFileLexer_New()
|
||||
{
|
||||
@ -2156,12 +2226,7 @@ void cmListFileLexer_Delete(cmListFileLexer* lexer)
|
||||
int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name)
|
||||
{
|
||||
int result = 1;
|
||||
if(lexer->file)
|
||||
{
|
||||
yylex_destroy(lexer->scanner);
|
||||
fclose(lexer->file);
|
||||
lexer->file = 0;
|
||||
}
|
||||
cmListFileLexerDestroy(lexer);
|
||||
if(name)
|
||||
{
|
||||
lexer->file = fopen(name, "r");
|
||||
@ -2170,11 +2235,31 @@ int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name)
|
||||
result = 0;
|
||||
}
|
||||
}
|
||||
if(lexer->file)
|
||||
cmListFileLexerInit(lexer);
|
||||
return result;
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
int cmListFileLexer_SetString(cmListFileLexer* lexer, const char* text)
|
||||
{
|
||||
int result = 1;
|
||||
cmListFileLexerDestroy(lexer);
|
||||
if(text)
|
||||
{
|
||||
yylex_init(&lexer->scanner);
|
||||
yyset_in(lexer->file,lexer->scanner);
|
||||
int length = (int)strlen(text);
|
||||
lexer->string_buffer = (char*)malloc(length+1);
|
||||
if(lexer->string_buffer)
|
||||
{
|
||||
strcpy(lexer->string_buffer, text);
|
||||
lexer->string_position = lexer->string_buffer;
|
||||
lexer->string_left = length;
|
||||
}
|
||||
else
|
||||
{
|
||||
result = 0;
|
||||
}
|
||||
}
|
||||
cmListFileLexerInit(lexer);
|
||||
return result;
|
||||
}
|
||||
|
||||
@ -2221,4 +2306,3 @@ long cmListFileLexer_GetCurrentColumn(cmListFileLexer* lexer)
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -48,6 +48,7 @@ extern "C"
|
||||
|
||||
cmListFileLexer* cmListFileLexer_New();
|
||||
int cmListFileLexer_SetFileName(cmListFileLexer*, const char*);
|
||||
int cmListFileLexer_SetString(cmListFileLexer*, const char*);
|
||||
cmListFileLexer_Token* cmListFileLexer_Scan(cmListFileLexer*);
|
||||
long cmListFileLexer_GetCurrentLine(cmListFileLexer*);
|
||||
long cmListFileLexer_GetCurrentColumn(cmListFileLexer*);
|
||||
|
||||
@ -39,6 +39,7 @@ Modify cmListFileLexer.c:
|
||||
#define ECHO
|
||||
|
||||
/* Setup the proper yylex declaration. */
|
||||
#define YY_EXTRA_TYPE cmListFileLexer*
|
||||
#define YY_DECL int yylex (yyscan_t yyscanner, cmListFileLexer* lexer)
|
||||
|
||||
/* Disable some warnings. */
|
||||
@ -64,6 +65,9 @@ struct cmListFileLexer_s
|
||||
int column;
|
||||
int size;
|
||||
FILE* file;
|
||||
char* string_buffer;
|
||||
char* string_position;
|
||||
int string_left;
|
||||
yyscan_t scanner;
|
||||
};
|
||||
|
||||
@ -71,6 +75,15 @@ static void cmListFileLexerSetToken(cmListFileLexer* lexer, const char* text,
|
||||
int length);
|
||||
static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
|
||||
int length);
|
||||
static int cmListFileLexerInput(cmListFileLexer* lexer, char* buffer,
|
||||
size_t bufferSize);
|
||||
static void cmListFileLexerInit(cmListFileLexer* lexer);
|
||||
static void cmListFileLexerDestroy(cmListFileLexer* lexer);
|
||||
|
||||
/* Replace the lexer input function. */
|
||||
#undef YY_INPUT
|
||||
#define YY_INPUT(buf, result, max_size) \
|
||||
{ result = cmListFileLexerInput(yyget_extra(yyscanner), buf, max_size); }
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
%}
|
||||
@ -236,6 +249,60 @@ static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text,
|
||||
lexer->size = newSize;
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
static int cmListFileLexerInput(cmListFileLexer* lexer, char* buffer,
|
||||
size_t bufferSize)
|
||||
{
|
||||
if(lexer)
|
||||
{
|
||||
if(lexer->file)
|
||||
{
|
||||
return (int)fread(buffer, 1, bufferSize, lexer->file);
|
||||
}
|
||||
else if(lexer->string_left)
|
||||
{
|
||||
int length = lexer->string_left;
|
||||
if((int)bufferSize < length) { length = (int)bufferSize; }
|
||||
memcpy(buffer, lexer->string_position, length);
|
||||
lexer->string_position += length;
|
||||
lexer->string_left -= length;
|
||||
return length;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
static void cmListFileLexerInit(cmListFileLexer* lexer)
|
||||
{
|
||||
if(lexer->file || lexer->string_buffer)
|
||||
{
|
||||
yylex_init(&lexer->scanner);
|
||||
yyset_extra(lexer, lexer->scanner);
|
||||
}
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
static void cmListFileLexerDestroy(cmListFileLexer* lexer)
|
||||
{
|
||||
if(lexer->file || lexer->string_buffer)
|
||||
{
|
||||
yylex_destroy(lexer->scanner);
|
||||
if(lexer->file)
|
||||
{
|
||||
fclose(lexer->file);
|
||||
lexer->file = 0;
|
||||
}
|
||||
if(lexer->string_buffer)
|
||||
{
|
||||
free(lexer->string_buffer);
|
||||
lexer->string_buffer = 0;
|
||||
lexer->string_left = 0;
|
||||
lexer->string_position = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
cmListFileLexer* cmListFileLexer_New()
|
||||
{
|
||||
@ -261,12 +328,7 @@ void cmListFileLexer_Delete(cmListFileLexer* lexer)
|
||||
int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name)
|
||||
{
|
||||
int result = 1;
|
||||
if(lexer->file)
|
||||
{
|
||||
yylex_destroy(lexer->scanner);
|
||||
fclose(lexer->file);
|
||||
lexer->file = 0;
|
||||
}
|
||||
cmListFileLexerDestroy(lexer);
|
||||
if(name)
|
||||
{
|
||||
lexer->file = fopen(name, "r");
|
||||
@ -275,11 +337,31 @@ int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name)
|
||||
result = 0;
|
||||
}
|
||||
}
|
||||
if(lexer->file)
|
||||
cmListFileLexerInit(lexer);
|
||||
return result;
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
int cmListFileLexer_SetString(cmListFileLexer* lexer, const char* text)
|
||||
{
|
||||
int result = 1;
|
||||
cmListFileLexerDestroy(lexer);
|
||||
if(text)
|
||||
{
|
||||
yylex_init(&lexer->scanner);
|
||||
yyset_in(lexer->file, lexer->scanner);
|
||||
int length = (int)strlen(text);
|
||||
lexer->string_buffer = (char*)malloc(length+1);
|
||||
if(lexer->string_buffer)
|
||||
{
|
||||
strcpy(lexer->string_buffer, text);
|
||||
lexer->string_position = lexer->string_buffer;
|
||||
lexer->string_left = length;
|
||||
}
|
||||
else
|
||||
{
|
||||
result = 0;
|
||||
}
|
||||
}
|
||||
cmListFileLexerInit(lexer);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user