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Added generation of C output.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@5607 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2012-03-11 12:38:54 +00:00
parent b599fe5793
commit 6d0d1575a6
7 changed files with 286 additions and 19 deletions
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2
src/sp65/asm.c
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@ -45,7 +45,7 @@
/* sp65 */
#include "attr.h"
#include "bin.h"
#include "asm.h"
#include "error.h"

207
src/sp65/c.c Normal file
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@ -0,0 +1,207 @@
/*****************************************************************************/
/* */
/* c.c */
/* */
/* C output for the sp65 sprite and bitmap utility */
/* */
/* */
/* */
/* (C) 2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#include <errno.h>
#include <stdio.h>
#include <string.h>
/* common */
#include "chartype.h"
#include "check.h"
#include "cmdline.h"
#include "version.h"
/* sp65 */
#include "attr.h"
#include "c.h"
#include "error.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
static int ValidIdentifier (const char* L)
/* Check a C identifier for validity */
{
/* Must begin with underscore or alphabetic character */
if (*L != '_' && !IsAlpha (*L)) {
return 0;
}
++L;
/* Remainder must be as above plus digits */
while (*L) {
if (*L != '_' && !IsAlNum (*L)) {
return 0;
}
++L;
}
/* Ok */
return 1;
}
static unsigned GetBytesPerLine (const Collection* A)
/* Return the number of bytes per line from the attribute collection A */
{
char C;
unsigned BytesPerLine = 16;
/* Check for a bytesperline attribute */
const char* V = GetAttrVal (A, "bytesperline");
if ((V && sscanf (V, "%u%c", &BytesPerLine, &C) != 1) ||
(BytesPerLine < 1 || BytesPerLine > 64)) {
Error ("Invalid value for attribute `bytesperline'");
}
return BytesPerLine;
}
static unsigned GetBase (const Collection* A)
/* Return the number base from the attribute collection A */
{
char C;
unsigned Base = 16;
/* Check for a base attribute */
const char* V = GetAttrVal (A, "base");
if ((V && sscanf (V, "%u%c", &Base, &C) != 1) || (Base != 10 && Base != 16)) {
Error ("Invalid value for attribute `base'");
}
return Base;
}
static const char* GetIdentifier (const Collection* A)
/* Return the variable identifier from the attribute collection A */
{
/* Check for a ident attribute */
const char* Ident = NeedAttrVal (A, "ident", "write");
if (!ValidIdentifier (Ident)) {
Error ("Invalid value for attribute `ident'");
}
return Ident;
}
void WriteCFile (const StrBuf* Data, const Collection* A)
/* Write the contents of Data to a file in C format */
{
FILE* F;
const char* D;
unsigned Size;
/* Get the file name */
const char* Name = NeedAttrVal (A, "name", "write");
/* Check the number of bytes per line */
unsigned BytesPerLine = GetBytesPerLine (A);
/* Get the number base */
unsigned Base = GetBase (A);
/* Get the identifier */
const char* Ident = GetIdentifier (A);
/* Open the output file */
F = fopen (Name, "w");
if (F == 0) {
Error ("Cannot open output file `%s': %s", Name, strerror (errno));
}
/* Write a readable header */
fprintf (F,
"/*\n"
" * This file was generated by %s %s\n"
" */\n"
"\n",
ProgName,
GetVersionAsString ());
/* Output the declaration and identifier */
fprintf (F, "const unsigned char %s[] = {\n", Ident);
/* Write the data */
D = SB_GetConstBuf (Data);
Size = SB_GetLen (Data);
while (Size) {
unsigned I;
/* Output one line */
unsigned Chunk = Size;
if (Chunk > BytesPerLine) {
Chunk = BytesPerLine;
}
fputs (" ", F);
for (I = 0; I < Chunk; ++I) {
switch (Base) {
case 10:
fprintf (F, "%u,", *D++);
break;
case 16:
fprintf (F, "0x%02X,", *D++);
break;
}
}
fputc ('\n', F);
/* Bump the counters */
Size -= Chunk;
}
/* Terminate the array */
fputs ("};\n", F);
/* Close the file */
if (fclose (F) != 0) {
Error ("Error closing output file `%s': %s", Name, strerror (errno));
}
}

63
src/sp65/c.h Normal file
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@ -0,0 +1,63 @@
/*****************************************************************************/
/* */
/* c.h */
/* */
/* C output for the sp65 sprite and bitmap utility */
/* */
/* */
/* */
/* (C) 2012, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef C_H
#define C_H
/* common */
#include "coll.h"
#include "strbuf.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void WriteCFile (const StrBuf* Data, const Collection* A);
/* Write the contents of Data to a file in C format */
/* End of c.h */
#endif

1
src/sp65/make/gcc.mak
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@ -26,6 +26,7 @@ OBJS = asm.o \
attr.o \
bin.o \
bitmap.o \
c.o \
color.o \
convert.o \
error.o \

1
src/sp65/make/watcom.mak
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@ -64,6 +64,7 @@ OBJS = asm.obj \
attr.obj \
bin.obj \
bitmap.obj \
c.obj \
color.obj \
convert.obj \
error.obj \

13
src/sp65/output.c
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@ -42,6 +42,7 @@
#include "asm.h"
#include "attr.h"
#include "bin.h"
#include "c.h"
#include "error.h"
#include "output.h"
@ -53,6 +54,15 @@
/* Different types of output formats */
enum OutputFormat {
ofAsm, /* Output assembler source */
ofBin, /* Output raw binary format */
ofC, /* Output C code */
ofCount /* Number of output formats without ofAuto */
};
typedef struct OutputFormatDesc OutputFormatDesc;
struct OutputFormatDesc {
@ -65,6 +75,7 @@ struct OutputFormatDesc {
static OutputFormatDesc OutputFormatTable[ofCount] = {
{ WriteAsmFile },
{ WriteBinFile },
{ WriteCFile },
};
/* Table that maps extensions to Output formats. Must be sorted alphabetically */
@ -73,12 +84,14 @@ static const FileId FormatTable[] = {
{ "A", ofAsm },
{ "ASM", ofAsm },
{ "BIN", ofBin },
{ "C", ofC },
{ "INC", ofAsm },
{ "S", ofAsm },
{ "a", ofAsm },
{ "asm", ofAsm },
{ "bin", ofBin },
{ "c", ofC },
{ "inc", ofAsm },
{ "s", ofAsm },
};

18
src/sp65/output.h
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@ -43,24 +43,6 @@
/*****************************************************************************/
/* Data */
/*****************************************************************************/
enum OutputFormat {
ofAuto = -1, /* Auto detect */
ofAsm, /* Output assembler source */
ofBin, /* Output raw binary format */
ofCount /* Number of output formats without ofAuto */
};
typedef enum OutputFormat OutputFormat;
/*****************************************************************************/
/* Code */
/*****************************************************************************/