mirror of
https://github.com/cc65/cc65.git
synced 2024-06-26 05:29:30 +00:00
Added generation of C output.
git-svn-id: svn://svn.cc65.org/cc65/trunk@5607 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
parent
b599fe5793
commit
6d0d1575a6
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@ -45,7 +45,7 @@
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/* sp65 */
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#include "attr.h"
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#include "bin.h"
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#include "asm.h"
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#include "error.h"
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207
src/sp65/c.c
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207
src/sp65/c.c
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@ -0,0 +1,207 @@
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/*****************************************************************************/
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/* */
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/* c.c */
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/* */
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/* C output for the sp65 sprite and bitmap utility */
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/* */
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/* */
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/* */
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/* (C) 2012, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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/* common */
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#include "chartype.h"
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#include "check.h"
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#include "cmdline.h"
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#include "version.h"
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/* sp65 */
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#include "attr.h"
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#include "c.h"
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#include "error.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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static int ValidIdentifier (const char* L)
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/* Check a C identifier for validity */
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{
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/* Must begin with underscore or alphabetic character */
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if (*L != '_' && !IsAlpha (*L)) {
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return 0;
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}
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++L;
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/* Remainder must be as above plus digits */
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while (*L) {
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if (*L != '_' && !IsAlNum (*L)) {
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return 0;
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}
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++L;
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}
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/* Ok */
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return 1;
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}
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static unsigned GetBytesPerLine (const Collection* A)
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/* Return the number of bytes per line from the attribute collection A */
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{
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char C;
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unsigned BytesPerLine = 16;
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/* Check for a bytesperline attribute */
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const char* V = GetAttrVal (A, "bytesperline");
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if ((V && sscanf (V, "%u%c", &BytesPerLine, &C) != 1) ||
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(BytesPerLine < 1 || BytesPerLine > 64)) {
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Error ("Invalid value for attribute `bytesperline'");
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}
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return BytesPerLine;
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}
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static unsigned GetBase (const Collection* A)
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/* Return the number base from the attribute collection A */
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{
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char C;
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unsigned Base = 16;
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/* Check for a base attribute */
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const char* V = GetAttrVal (A, "base");
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if ((V && sscanf (V, "%u%c", &Base, &C) != 1) || (Base != 10 && Base != 16)) {
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Error ("Invalid value for attribute `base'");
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}
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return Base;
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}
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static const char* GetIdentifier (const Collection* A)
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/* Return the variable identifier from the attribute collection A */
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{
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/* Check for a ident attribute */
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const char* Ident = NeedAttrVal (A, "ident", "write");
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if (!ValidIdentifier (Ident)) {
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Error ("Invalid value for attribute `ident'");
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}
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return Ident;
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}
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void WriteCFile (const StrBuf* Data, const Collection* A)
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/* Write the contents of Data to a file in C format */
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{
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FILE* F;
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const char* D;
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unsigned Size;
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/* Get the file name */
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const char* Name = NeedAttrVal (A, "name", "write");
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/* Check the number of bytes per line */
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unsigned BytesPerLine = GetBytesPerLine (A);
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/* Get the number base */
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unsigned Base = GetBase (A);
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/* Get the identifier */
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const char* Ident = GetIdentifier (A);
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/* Open the output file */
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F = fopen (Name, "w");
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if (F == 0) {
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Error ("Cannot open output file `%s': %s", Name, strerror (errno));
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}
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/* Write a readable header */
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fprintf (F,
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"/*\n"
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" * This file was generated by %s %s\n"
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" */\n"
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"\n",
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ProgName,
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GetVersionAsString ());
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/* Output the declaration and identifier */
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fprintf (F, "const unsigned char %s[] = {\n", Ident);
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/* Write the data */
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D = SB_GetConstBuf (Data);
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Size = SB_GetLen (Data);
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while (Size) {
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unsigned I;
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/* Output one line */
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unsigned Chunk = Size;
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if (Chunk > BytesPerLine) {
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Chunk = BytesPerLine;
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}
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fputs (" ", F);
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for (I = 0; I < Chunk; ++I) {
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switch (Base) {
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case 10:
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fprintf (F, "%u,", *D++);
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break;
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case 16:
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fprintf (F, "0x%02X,", *D++);
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break;
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}
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}
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fputc ('\n', F);
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/* Bump the counters */
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Size -= Chunk;
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}
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/* Terminate the array */
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fputs ("};\n", F);
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/* Close the file */
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if (fclose (F) != 0) {
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Error ("Error closing output file `%s': %s", Name, strerror (errno));
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}
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}
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63
src/sp65/c.h
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63
src/sp65/c.h
Normal file
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@ -0,0 +1,63 @@
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/*****************************************************************************/
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/* */
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/* c.h */
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/* */
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/* C output for the sp65 sprite and bitmap utility */
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/* */
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/* */
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/* */
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/* (C) 2012, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef C_H
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#define C_H
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/* common */
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#include "coll.h"
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#include "strbuf.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void WriteCFile (const StrBuf* Data, const Collection* A);
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/* Write the contents of Data to a file in C format */
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/* End of c.h */
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#endif
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@ -26,6 +26,7 @@ OBJS = asm.o \
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attr.o \
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bin.o \
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bitmap.o \
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c.o \
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color.o \
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convert.o \
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error.o \
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@ -64,6 +64,7 @@ OBJS = asm.obj \
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attr.obj \
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bin.obj \
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bitmap.obj \
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c.obj \
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color.obj \
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convert.obj \
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error.obj \
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@ -42,6 +42,7 @@
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#include "asm.h"
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#include "attr.h"
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#include "bin.h"
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#include "c.h"
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#include "error.h"
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#include "output.h"
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@ -53,6 +54,15 @@
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/* Different types of output formats */
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enum OutputFormat {
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ofAsm, /* Output assembler source */
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ofBin, /* Output raw binary format */
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ofC, /* Output C code */
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ofCount /* Number of output formats without ofAuto */
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};
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typedef struct OutputFormatDesc OutputFormatDesc;
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struct OutputFormatDesc {
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@ -65,6 +75,7 @@ struct OutputFormatDesc {
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static OutputFormatDesc OutputFormatTable[ofCount] = {
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{ WriteAsmFile },
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{ WriteBinFile },
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{ WriteCFile },
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};
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/* Table that maps extensions to Output formats. Must be sorted alphabetically */
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@ -73,12 +84,14 @@ static const FileId FormatTable[] = {
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{ "A", ofAsm },
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{ "ASM", ofAsm },
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{ "BIN", ofBin },
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{ "C", ofC },
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{ "INC", ofAsm },
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{ "S", ofAsm },
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{ "a", ofAsm },
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{ "asm", ofAsm },
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{ "bin", ofBin },
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{ "c", ofC },
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{ "inc", ofAsm },
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{ "s", ofAsm },
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};
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@ -43,24 +43,6 @@
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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enum OutputFormat {
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ofAuto = -1, /* Auto detect */
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ofAsm, /* Output assembler source */
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ofBin, /* Output raw binary format */
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ofCount /* Number of output formats without ofAuto */
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};
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typedef enum OutputFormat OutputFormat;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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