input.c File Reference

#include "c.h"

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Functions
void	fillbuf (void)
void	input_init (int argc, char *argv[])
void	nextline (void)
void	pragma (void)
void	resynch (void)
Variables
int	bsize
unsigned char	buffer [MAXLINE+1+BUFSIZE+1]
unsigned char *	cp
char *	file
char *	firstfile
unsigned char *	limit
char *	line
int	lineno

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Function Documentation

void fillbuf (  void   )

Definition at line 35 of file input.c. References assert, bsize, buffer, BUFSIZE, cp, error(), exit(), EXIT_FAILURE, feof, fread(), limit, line, MAXLINE, n, s, and stdin. Referenced by foldline(), gettok(), gettokens(), input_init(), nextline(), resynch(), scon(), and trigraph(). { if (bsize == 0) return; if (cp >= limit) cp = &buffer[MAXLINE+1]; else { int n = limit - cp; unsigned char *s = &buffer[MAXLINE+1] - n; assert(s >= buffer); line = (char *)s - ((char *)cp - line); while (cp < limit) *s++ = *cp++; cp = &buffer[MAXLINE+1] - n; } if (feof(stdin)) bsize = 0; else bsize = fread(&buffer[MAXLINE+1], 1, BUFSIZE, stdin); if (bsize < 0) { error("read error\n"); exit(EXIT_FAILURE); } limit = &buffer[MAXLINE+1+bsize]; *limit = '\n'; }

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void input_init (  int  argc, char *  argv[] )

Definition at line 61 of file input.c. References argc, argv, bsize, buffer, cp, file, fillbuf(), limit, lineno, main_init(), MAXLINE, and nextline(). Referenced by init(). { static int inited; if (inited) return; inited = 1; main_init(argc, argv); limit = cp = &buffer[MAXLINE+1]; bsize = -1; lineno = 0; file = NULL; fillbuf(); if (cp >= limit) cp = limit; nextline(); }

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void nextline (  void   )

Definition at line 16 of file input.c. References cp, fillbuf(), line, lineno, nextline(), and resynch(). Referenced by getchr(), gettok(), input_init(), nextline(), resynch(), and scon(). { do { if (cp >= limit) { fillbuf(); if (cp >= limit) cp = limit; if (cp == limit) return; } else { lineno++; for (line = (char *)cp; *cp==' ' || *cp=='\t'; cp++) ; if (*cp == '#') { resynch(); nextline(); } } } while (*cp == '\n' && cp == limit); }

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void pragma (  void   )  [static]

Definition at line 79 of file input.c. References cp, gettok(), ID, symbol::ref, src, strcmp(), t, tsym, and use(). Referenced by resynch(). { if ((t = gettok()) == ID && strcmp(token, "ref") == 0) for (;;) { while (*cp == ' ' || *cp == '\t') cp++; if (*cp == '\n' || *cp == 0) break; if ((t = gettok()) == ID && tsym) { tsym->ref++; use(tsym, src); } } }

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void resynch (  void   )  [static]

Definition at line 94 of file input.c. References Aflag, cp, file, fillbuf(), firstfile, limit, line, lineno, nextline(), pragma(), stringn(), strncmp(), and warning(). Referenced by nextline(). { for (cp++; *cp == ' ' || *cp == '\t'; ) cp++; if (limit - cp < MAXLINE) fillbuf(); if (strncmp((char *)cp, "pragma", 6) == 0) { cp += 6; pragma(); } else if (*cp >= '0' && *cp <= '9') { line: for (lineno = 0; *cp >= '0' && *cp <= '9'; ) lineno = 10*lineno + *cp++ - '0'; lineno--; while (*cp == ' ' || *cp == '\t') cp++; if (*cp == '"') { file = (char *)++cp; while (*cp && *cp != '"' && *cp != '\n') cp++; file = stringn(file, (char *)cp - file); if (*cp == '\n') warning("missing \" in preprocessor line\n"); if (firstfile == 0) firstfile = file; } } else if (strncmp((char *)cp, "line", 4) == 0) { for (cp += 4; *cp == ' ' || *cp == '\t'; ) cp++; if (*cp >= '0' && *cp <= '9') goto line; if (Aflag >= 2) warning("unrecognized control line\n"); } else if (Aflag >= 2 && *cp != '\n') warning("unrecognized control line\n"); while (*cp) if (*cp++ == '\n') if (cp == limit + 1) nextline(); else break; }

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Variable Documentation

int bsize [static]

Definition at line 7 of file input.c. Referenced by fillbuf(), and input_init().

unsigned char buffer[MAXLINE+1+BUFSIZE+1] [static]

Definition at line 8 of file input.c.

unsigned char* cp

Definition at line 9 of file input.c. Referenced by addrtree(), AngleVectors(), backslash(), bbcall(), bbincr(), BotGetMessageTeamGoal(), BotMatch_CheckPoint(), branch(), code(), compound(), ConvertFilePath(), CXYWnd::Copy(), definelab(), definept(), doAddress(), doBlockbeg(), EmitBrushes(), emitcode(), error(), fcon(), fillbuf(), funcdefn(), gencode(), getchr(), getopt(), gettok(), icon(), input_init(), locus(), lookup(), nextline(), CXYWnd::Paste(), ppnumber(), pragma(), reachable(), resynch(), scon(), stabline(), stringify(), toAngles(), angles_t::toForward(), toMatrix(), angles_t::toVectors(), and use().

char* file

Definition at line 10 of file input.c. Referenced by _assert(), _YYnull(), acaller(), afunction(), apoint(), bbfile(), BotSetupChatAI(), BotSetupWeaponAI(), DoesFileExist(), Eclass_InitForSourceDirectory(), emitdata(), findcount(), findfunc(), FS_FileExists(), FS_FOpenFileRead(), FS_ForceFlush(), FS_GetModList(), FS_Seek(), FS_SV_FileExists(), gather(), input_init(), Patch_Write(), PC_Directive_include(), process(), ReadBytes(), ReadMagic(), resynch(), idCameraDef::save(), stabinit(), Terrain_Write(), unzClose(), unzCloseCurrentFile(), unzeof(), unzGetCurrentFileInfo(), unzGetCurrentFileInfoPosition(), unzGetGlobalComment(), unzGetGlobalInfo(), unzGetLocalExtrafield(), unzGoToFirstFile(), unzGoToNextFile(), unzlocal_GetCurrentFileInfoInternal(), unzLocateFile(), unzOpenCurrentFile(), unzReadCurrentFile(), unzReOpen(), unzSetCurrentFileInfoPosition(), unztell(), idFixedPosition::write(), idInterpolatedPosition::write(), idSplinePosition::write(), WriteBytes(), and Z_Malloc().

char* firstfile

Definition at line 11 of file input.c. Referenced by resynch().

unsigned char* limit

Definition at line 12 of file input.c.

char* line

Definition at line 13 of file input.c. Referenced by _assert(), _YYnull(), AAS_DebugLine(), AAS_DrawPlaneCross(), AAS_PermanentLine(), AAS_ShowArea(), AAS_ShowBoundingBox(), BotExportTest(), BotImport_DebugLineDelete(), BotImport_DebugLineShow(), Cbuf_Execute(), CG_Tracer(), Com_ParseRestOfLine(), Con_Dump_f(), ConcatArgs(), fillbuf(), GetClearedHunkMemory(), GetClearedMemory(), HL_UnparseEntities(), nextline(), PC_SourceError(), PC_SourceFileAndLine(), PC_SourceWarning(), Q1_UnparseEntities(), Q2_UnparseEntities(), Q3_UnparseEntities(), resynch(), Sin_UnparseEntities(), trap_PC_SourceFileAndLine(), UnparseEntities(), and Z_Malloc().

int lineno

Definition at line 14 of file input.c. Referenced by input_init(), nextline(), printfile(), and resynch().

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