X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fcc65%2Finput.c;h=0f254f4921bb6034ad7ec79a62425aae5c46fae6;hb=aef8789873bd008d42aa50330ca98488fad91b31;hp=cefeed6a96cd9b726efcf6e3c6302beb9e353af8;hpb=221ef5a9c20b89c26535c59612dbe6f4b515e856;p=cc65 diff --git a/src/cc65/input.c b/src/cc65/input.c index cefeed6a9..0f254f492 100644 --- a/src/cc65/input.c +++ b/src/cc65/input.c @@ -36,17 +36,21 @@ #include #include #include +#include +#include /* common */ #include "check.h" #include "coll.h" +#include "print.h" #include "xmalloc.h" /* cc65 */ #include "asmcode.h" +#include "codegen.h" #include "error.h" -#include "global.h" #include "incpath.h" +#include "lineinfo.h" #include "input.h" @@ -69,20 +73,12 @@ char NextC = '\0'; /* Maximum count of nested includes */ #define MAX_INC_NESTING 16 -/* Struct that describes an input file */ -typedef struct IFile IFile; -struct IFile { - unsigned Index; /* File index */ - unsigned Usage; /* Usage counter */ - char Name[1]; /* Name of file (dynamically allocated) */ -}; - /* Struct that describes an active input file */ typedef struct AFile AFile; struct AFile { unsigned Line; /* Line number for this file */ FILE* F; /* Input file stream */ - const char* Name; /* Points to corresponding IFile name */ + IFile* Input; /* Points to corresponding IFile */ }; /* List of all input files */ @@ -94,7 +90,7 @@ static Collection AFiles = STATIC_COLLECTION_INITIALIZER; /*****************************************************************************/ -/* struct IFile */ +/* struct IFile */ /*****************************************************************************/ @@ -106,11 +102,13 @@ static IFile* NewIFile (const char* Name) unsigned Len = strlen (Name); /* Allocate a IFile structure */ - IFile* IF = xmalloc (sizeof (IFile) + Len); + IFile* IF = (IFile*) xmalloc (sizeof (IFile) + Len); /* Initialize the fields */ IF->Index = CollCount (&IFiles) + 1; IF->Usage = 0; + IF->Size = 0; + IF->MTime = 0; memcpy (IF->Name, Name, Len+1); /* Insert the new structure into the IFile collection */ @@ -132,15 +130,31 @@ static AFile* NewAFile (IFile* IF, FILE* F) /* Create and return a new AFile */ { /* Allocate a AFile structure */ - AFile* AF = xmalloc (sizeof (AFile)); + AFile* AF = (AFile*) xmalloc (sizeof (AFile)); /* Initialize the fields */ AF->Line = 0; AF->F = F; - AF->Name = IF->Name; + AF->Input = IF; + + /* Increment the usage counter of the corresponding IFile. If this + * is the first use, set the file data and output debug info if + * requested. + */ + if (IF->Usage++ == 0) { - /* Increment the usage counter of the corresponding IFile */ - ++IF->Usage; + /* Get file size and modification time */ + struct stat Buf; + if (fstat (fileno (F), &Buf) != 0) { + /* Error */ + Fatal ("Cannot stat `%s': %s", IF->Name, strerror (errno)); + } + IF->Size = (unsigned long) Buf.st_size; + IF->MTime = (unsigned long) Buf.st_mtime; + + /* Set the debug data */ + g_fileinfo (IF->Name, IF->Size, IF->MTime); + } /* Insert the new structure into the AFile collection */ CollAppend (&AFiles, AF); @@ -174,7 +188,7 @@ static IFile* FindFile (const char* Name) unsigned I; for (I = 0; I < CollCount (&IFiles); ++I) { /* Get the file struct */ - IFile* IF = CollAt (&IFiles, I); + IFile* IF = (IFile*) CollAt (&IFiles, I); /* Check the name */ if (strcmp (Name, IF->Name) == 0) { /* Found, return the struct */ @@ -246,6 +260,9 @@ void OpenIncludeFile (const char* Name, unsigned DirSpec) return; } + /* Debugging output */ + Print (stdout, 1, "Opened include file `%s'\n", IF->Name); + /* Allocate a new AFile structure */ (void) NewAFile (IF, F); } @@ -266,7 +283,7 @@ static void CloseIncludeFile (void) PRECONDITION (AFileCount > 0); /* Get the current active input file */ - Input = CollLast (&AFiles); + Input = (AFile*) CollLast (&AFiles); /* Close the current input file (we're just reading so no error check) */ fclose (Input->F); @@ -342,7 +359,7 @@ int NextLine (void) if (CollCount (&AFiles) == 0) { return 0; } - Input = CollLast (&AFiles); + Input = (AFile*) CollLast (&AFiles); /* Read lines until we get one with real contents */ Len = 0; @@ -363,29 +380,25 @@ int NextLine (void) if (CollCount (&AFiles) == 0) { return 0; } - Input = CollLast (&AFiles); + Input = (AFile*) CollLast (&AFiles); } /* We got a new line */ ++Input->Line; - /* Remove the trailing newline if we have one */ + /* Remove the trailing cr/lf if we have one. We will ignore both, cr + * and lf on all systems since this enables us to compile DOS/Windows + * stuff also on unix systems (where fgets does not remove the cr). + */ Part = strlen (line + Len); Start = Len; Len += Part; - while (Len > 0 && line [Len-1] == '\n') { + while (Len > 0 && (line[Len-1] == '\n' || line[Len-1] == '\r')) { --Len; } line [Len] = '\0'; - /* Output the source line in the generated assembler file - * if requested. - */ - if (AddSource && line[Start] != '\0') { - AddCodeLine ("; %s", line+Start); - } - /* Check if we have a line continuation character at the end. If not, * we're done. */ @@ -399,6 +412,9 @@ int NextLine (void) /* Got a line. Initialize the current and next characters. */ InitLine (line); + /* Create line information for this line */ + UpdateLineInfo (Input->Input, Input->Line, line); + /* Done */ return 1; } @@ -410,13 +426,13 @@ const char* GetCurrentFile (void) { unsigned AFileCount = CollCount (&AFiles); if (AFileCount > 0) { - const AFile* AF = CollAt (&AFiles, AFileCount-1); - return AF->Name; + const AFile* AF = (const AFile*) CollAt (&AFiles, AFileCount-1); + return AF->Input->Name; } else { /* No open file. Use the main file if we have one. */ unsigned IFileCount = CollCount (&IFiles); if (IFileCount > 0) { - const IFile* IF = CollAt (&IFiles, 0); + const IFile* IF = (const IFile*) CollAt (&IFiles, 0); return IF->Name; } else { return "(outside file scope)"; @@ -431,7 +447,7 @@ unsigned GetCurrentLine (void) { unsigned AFileCount = CollCount (&AFiles); if (AFileCount > 0) { - const AFile* AF = CollAt (&AFiles, AFileCount-1); + const AFile* AF = (const AFile*) CollAt (&AFiles, AFileCount-1); return AF->Line; } else { /* No open file */ @@ -455,7 +471,7 @@ void WriteDependencies (FILE* F, const char* OutputFile) /* Loop over all files */ for (I = 0; I < IFileCount; ++I) { /* Get the next input file */ - const IFile* IF = CollAt (&IFiles, I); + const IFile* IF = (const IFile*) CollAt (&IFiles, I); /* If this is not the first file, add a space */ const char* Format = (I == 0)? "%s" : " %s"; /* Print the dependency */