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[SDL Front] MSVC doesn't have an unistd.h system file, closest is io.h, this will fix building the SDL frontend with msvc again.

This commit is contained in:
Zach Bacon 2019-04-10 17:27:45 -04:00
parent 2ae72f38cd
commit 5019a20165
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GPG Key ID: 0F1C8FECF5BCF671
1 changed files with 103 additions and 99 deletions
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202
src/sdl/expr-lex.cpp
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@ -191,40 +191,40 @@ struct yy_buffer_state {
char* yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
* characters.
*/
yy_size_t yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
* characters.
*/
int yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
* end of it.
*/
int yy_fill_buffer;
int yy_buffer_status;
@ -232,15 +232,15 @@ struct yy_buffer_state {
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */
@ -470,8 +470,12 @@ int exprCol;
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
#ifndef __MSC_VER
#include <io.h>
#else
#include <unistd.h>
#endif
#endif
#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void*
@ -674,8 +678,8 @@ YY_DECL
*yy_cp = (yy_hold_char);
/* yy_bp points to the position in yy_ch_buf of the start of
* the current run.
*/
* the current run.
*/
yy_bp = yy_cp;
yy_current_state = (yy_start);
@ -794,26 +798,26 @@ YY_DECL
if (YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW) {
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed yyin at a new source and called
* yylex(). If so, then we have to assure
* consistency between YY_CURRENT_BUFFER and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
* possible that this happened because the user
* just pointed yyin at a new source and called
* yylex(). If so, then we have to assure
* consistency between YY_CURRENT_BUFFER and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
}
/* Note that here we test for yy_c_buf_p "<=" to the position
* of the first EOB in the buffer, since yy_c_buf_p will
* already have been incremented past the NUL character
* (since all states make transitions on EOB to the
* end-of-buffer state). Contrast this with the test
* in input().
*/
* of the first EOB in the buffer, since yy_c_buf_p will
* already have been incremented past the NUL character
* (since all states make transitions on EOB to the
* end-of-buffer state). Contrast this with the test
* in input().
*/
if ((yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]) { /* This was really a NUL. */
yy_state_type yy_next_state;
@ -822,13 +826,13 @@ YY_DECL
yy_current_state = yy_get_previous_state();
/* Okay, we're now positioned to make the NUL
* transition. We couldn't have
* yy_get_previous_state() go ahead and do it
* for us because it doesn't know how to deal
* with the possibility of jamming (and we don't
* want to build jamming into it because then it
* will run more slowly).
*/
* transition. We couldn't have
* yy_get_previous_state() go ahead and do it
* for us because it doesn't know how to deal
* with the possibility of jamming (and we don't
* want to build jamming into it because then it
* will run more slowly).
*/
yy_next_state = yy_try_NUL_trans(yy_current_state);
@ -854,14 +858,14 @@ YY_DECL
if (yywrap()) {
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_c_buf_p so that if some total
* hoser (like flex itself) wants to
* call the scanner after we return the
* YY_NULL, it'll still work - another
* YY_NULL will get returned.
*/
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_c_buf_p so that if some total
* hoser (like flex itself) wants to
* call the scanner after we return the
* YY_NULL, it'll still work - another
* YY_NULL will get returned.
*/
(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
yy_act = YY_STATE_EOF(YY_START);
@ -906,9 +910,9 @@ YY_DECL
/* yy_get_next_buffer - try to read in a new buffer
*
* Returns a code representing an action:
* EOB_ACT_LAST_MATCH -
* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
* EOB_ACT_END_OF_FILE - end of file
* EOB_ACT_LAST_MATCH -
* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
* EOB_ACT_END_OF_FILE - end of file
*/
static int yy_get_next_buffer(void)
{
@ -924,15 +928,15 @@ static int yy_get_next_buffer(void)
if (YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0) { /* Don't try to fill the buffer, so this is an EOF. */
if ((yy_c_buf_p) - (yytext_ptr)-YY_MORE_ADJ == 1) {
/* We matched a single character, the EOB, so
* treat this as a final EOF.
*/
* treat this as a final EOF.
*/
return EOB_ACT_END_OF_FILE;
}
else {
/* We matched some text prior to the EOB, first
* process it.
*/
* process it.
*/
return EOB_ACT_LAST_MATCH;
}
}
@ -947,8 +951,8 @@ static int yy_get_next_buffer(void)
if (YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING)
/* don't do the read, it's not guaranteed to return an EOF,
* just force an EOF
*/
* just force an EOF
*/
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
else {
@ -1056,7 +1060,7 @@ static yy_state_type yy_get_previous_state(void)
/* yy_try_NUL_trans - try to make a transition on the NUL character
*
* synopsis
* next_state = yy_try_NUL_trans( current_state );
* next_state = yy_try_NUL_trans( current_state );
*/
static yy_state_type yy_try_NUL_trans(yy_state_type yy_current_state)
{
@ -1093,9 +1097,9 @@ static int input(void)
if (*(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR) {
/* yy_c_buf_p now points to the character we want to return.
* If this occurs *before* the EOB characters, then it's a
* valid NUL; if not, then we've hit the end of the buffer.
*/
* If this occurs *before* the EOB characters, then it's a
* valid NUL; if not, then we've hit the end of the buffer.
*/
if ((yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)])
/* This was really a NUL. */
*(yy_c_buf_p) = '\0';
@ -1107,14 +1111,14 @@ static int input(void)
switch (yy_get_next_buffer()) {
case EOB_ACT_LAST_MATCH:
/* This happens because yy_g_n_b()
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
/* Reset buffer status. */
yyrestart(yyin);
@ -1174,9 +1178,9 @@ void yy_switch_to_buffer(YY_BUFFER_STATE new_buffer)
{
/* TODO. We should be able to replace this entire function body
* with
* yypop_buffer_state();
* yypush_buffer_state(new_buffer);
* with
* yypop_buffer_state();
* yypush_buffer_state(new_buffer);
*/
yyensure_buffer_stack();
if (YY_CURRENT_BUFFER == new_buffer)
@ -1193,10 +1197,10 @@ void yy_switch_to_buffer(YY_BUFFER_STATE new_buffer)
yy_load_buffer_state();
/* We don't actually know whether we did this switch during
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
(yy_did_buffer_switch_on_eof) = 1;
}
@ -1225,8 +1229,8 @@ YY_BUFFER_STATE yy_create_buffer(FILE* file, int size)
b->yy_buf_size = size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
* we need to put in 2 end-of-buffer characters.
*/
b->yy_ch_buf = (char*)yyalloc(b->yy_buf_size + 2);
if (!b->yy_ch_buf)
YY_FATAL_ERROR("out of dynamic memory in yy_create_buffer()");
@ -1301,9 +1305,9 @@ void yy_flush_buffer(YY_BUFFER_STATE b)
b->yy_n_chars = 0;
/* We always need two end-of-buffer characters. The first causes
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
@ -1377,8 +1381,8 @@ static void yyensure_buffer_stack(void)
if (!(yy_buffer_stack)) {
/* First allocation is just for 2 elements, since we don't know if this
* scanner will even need a stack. We use 2 instead of 1 to avoid an
* immediate realloc on the next call.
* scanner will even need a stack. We use 2 instead of 1 to avoid an
* immediate realloc on the next call.
*/
num_to_alloc = 1;
(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc(num_to_alloc * sizeof(struct yy_buffer_state*));
@ -1486,8 +1490,8 @@ YY_BUFFER_STATE yy_scan_bytes(yyconst char* yybytes, int _yybytes_len)
YY_FATAL_ERROR("bad buffer in yy_scan_bytes()");
/* It's okay to grow etc. this buffer, and we should throw it
* away when we're done.
*/
* away when we're done.
*/
b->yy_is_our_buffer = 1;
return b;
@ -1680,12 +1684,12 @@ void* yyalloc(yy_size_t size)
void* yyrealloc(void* ptr, yy_size_t size)
{
/* 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
* because both ANSI C and C++ allow castless assignment from
* any pointer type to void*, and deal with argument conversions
* as though doing an assignment.
*/
* implementations that use char* generic pointers, and those
* that use void* generic pointers. It works with the latter
* because both ANSI C and C++ allow castless assignment from
* any pointer type to void*, and deal with argument conversions
* as though doing an assignment.
*/
return (void*)realloc((char*)ptr, size);
}