macross/listing.c
2016-01-23 16:07:37 +01:00

665 lines
17 KiB
C

/*
* Copyright (c) 1987 Fujitsu
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/*
listing.c -- Routines to generate a Macross assembly listing.
Chip Morningstar -- Lucasfilm Ltd.
10-February-1985
*/
#include "macrossTypes.h"
#include "macrossGlobals.h"
#include "listing.h"
#include <string.h>
static char lineBuffer1[LINE_BUFFER_SIZE];
static char lineBuffer2[LINE_BUFFER_SIZE];
int cumulativeLineNumber = 0;
static char macroLineBuffer[LINE_BUFFER_SIZE];
static char nextMacroLineBuffer[LINE_BUFFER_SIZE];
static int macroAddress;
static int nextMacroAddress;
static int macroDepth;
static int nextMacroDepth;
void
outputListing()
{
rewind(saveFileForPass2);
rewind(indexFileForPass2);
rewind(macroFileForPass2);
generateListing();
}
void
terminateListingFiles()
{
saveLineForListing("\n");
saveIndexForListing(NULL_STATEMENT, cumulativeLineNumber);
saveLineForListing("\n");
saveIndexForListing(NULL_STATEMENT, cumulativeLineNumber);
}
#define advanceSourceFile() \
if (nextSourceAddress == -1) {\
readSourceFileLine(&sourceAddress, &sourceDepth,\
sourceText = lineBuffer1, saveFileForPass2);\
readSourceFileLine(&nextSourceAddress,\
&nextSourceDepth, nextSourceText =\
lineBuffer2, saveFileForPass2);\
sourceLineNumber++;\
} else {\
sourceAddress = nextSourceAddress;\
sourceDepth = nextSourceDepth;\
tempText = sourceText;\
sourceText = nextSourceText;\
nextSourceText = tempText;\
if (tempText == NULL)\
nextSourceText = (sourceText==lineBuffer1) ?\
lineBuffer2 : lineBuffer1;\
readSourceFileLine(&nextSourceAddress,\
&nextSourceDepth, nextSourceText,\
saveFileForPass2);\
sourceLineNumber++;\
}
#define advanceIndexFile() {\
indexAddress = nextIndexAddress;\
indexLineNumber = nextIndexLineNumber;\
indexKind = nextIndexKind;\
readIndexFileLine(&nextIndexKind, &nextIndexAddress,\
&nextIndexLineNumber);\
}
/* This is the most horrible piece of code I have ever written in my entire
life -- cbm */
void
generateListing()
{
int sourceAddress;
int sourceDepth;
char *sourceText = lineBuffer1;
int nextSourceAddress;
int nextSourceDepth;
char *nextSourceText = lineBuffer2;
int sourceLineNumber;
int indexAddress;
int indexLineNumber;
statementKindType indexKind;
int nextIndexAddress;
int nextIndexLineNumber;
statementKindType nextIndexKind;
bool firstLine;
bool alreadyListingMacroExpansion;
bool finishingListingMacroExpansion;
bool nullMacroLine;
int callLineNumber;
int targetLineNumber;
bool mifEndFlag;
int numberOfBytesToList;
int numberOfBytesListed;
char *tempText;
sourceLineNumber = 1;
alreadyListingMacroExpansion = FALSE;
readSourceFileLine(&sourceAddress, &sourceDepth, sourceText,
saveFileForPass2);
readSourceFileLine(&nextSourceAddress, &nextSourceDepth,
nextSourceText, saveFileForPass2);
if (expandMacros)
readSourceFileLine(&nextMacroAddress, &nextMacroDepth,
nextMacroLineBuffer, macroFileForPass2);
readIndexFileLine(&indexKind, &indexAddress, &indexLineNumber);
readIndexFileLine(&nextIndexKind, &nextIndexAddress,
&nextIndexLineNumber);
currentCodeMode = RELOCATABLE_BUFFER;
if (indexKind == ORG_STATEMENT || indexKind == ALIGN_STATEMENT ||
indexKind == REL_STATEMENT) {
if (indexKind == ORG_STATEMENT) {
currentCodeMode = ABSOLUTE_BUFFER;
}
advanceIndexFile();
}
while (!feof(saveFileForPass2) && !feof(indexFileForPass2)) {
mifEndFlag = FALSE;
if ((int)indexKind == -1) {
advanceIndexFile();
if ((int)indexKind == -1)
currentCodeMode = ABSOLUTE_BUFFER;
else
currentCodeMode = RELOCATABLE_BUFFER;
advanceIndexFile();
sourceLineNumber = indexLineNumber;
if (nextIndexKind == ORG_STATEMENT || nextIndexKind ==
ALIGN_STATEMENT || nextIndexKind ==
REL_STATEMENT) {
if (nextIndexKind == ORG_STATEMENT) {
currentCodeMode = ABSOLUTE_BUFFER;
} else if (nextIndexKind == REL_STATEMENT) {
currentCodeMode = RELOCATABLE_BUFFER;
}
advanceIndexFile();
}
}
if (indexKind == MACRO_STATEMENT || indexKind ==
FUNCTION_STATEMENT || indexKind ==
STRUCT_STATEMENT) {
while (sourceLineNumber < indexLineNumber) {
printListingLine(0, indexAddress, sourceText,
indexKind);
advanceSourceFile();
}
} else if (!alreadyListingMacroExpansion && isBlockOpener(
indexKind)) {
while (sourceLineNumber < nextIndexLineNumber) {
printListingLine(0, indexAddress, sourceText,
indexKind);
advanceSourceFile();
}
readIndexFileLine(&nextIndexKind, &nextIndexAddress,
&nextIndexLineNumber);
}
while ((indexLineNumber == nextIndexLineNumber &&
!alreadyListingMacroExpansion &&
(int)nextIndexKind != -1 && indexKind !=
ORG_STATEMENT) || (indexKind ==
NULL_STATEMENT && nextSourceAddress == -1)) {
while (nextSourceAddress == -1) {
printListingLine(0, indexAddress, sourceText,
indexKind);
advanceSourceFile();
}
readIndexFileLine(&nextIndexKind, &nextIndexAddress,
&nextIndexLineNumber);
}
if (nextIndexLineNumber >= 0) {
targetLineNumber = alreadyListingMacroExpansion ?
callLineNumber : sourceLineNumber;
while (nextIndexLineNumber < targetLineNumber &&
!isBlockOpener(indexKind)) {
readIndexFileLine(&nextIndexKind,
&nextIndexAddress,
&nextIndexLineNumber);
}
}
while (nextIndexAddress == -1 && !feof(indexFileForPass2)) {
readIndexFileLine(&nextIndexKind, &nextIndexAddress,
&nextIndexLineNumber);
mifEndFlag = TRUE;
}
numberOfBytesToList = nextIndexAddress - indexAddress;
firstLine = TRUE;
nullMacroLine = FALSE;
while (numberOfBytesToList > 0 || nextSourceAddress == -1 ||
firstLine) {
firstLine = FALSE;
if (alreadyListingMacroExpansion) {
if (nullMacroLine) {
numberOfBytesListed = printListingLine(
numberOfBytesToList, indexAddress,
NULL, indexKind);
nullMacroLine = FALSE;
} else {
numberOfBytesListed = printMacroLine(
numberOfBytesToList, indexAddress,
indexKind);
}
} else if (!feof(indexFileForPass2)) {
numberOfBytesListed = printListingLine(
numberOfBytesToList, indexAddress,
sourceText, indexKind);
}
numberOfBytesToList -= numberOfBytesListed;
indexAddress += numberOfBytesListed;
if (nextSourceAddress == -1 || (sourceLineNumber <
indexLineNumber && indexKind ==
INSTRUCTION_STATEMENT &&
!alreadyListingMacroExpansion)) {
advanceSourceFile();
firstLine = TRUE;
} else if (!alreadyListingMacroExpansion &&
nextIndexLineNumber >= 0) {
sourceText = NULL;
} else if (alreadyListingMacroExpansion &&
numberOfBytesToList > 0) {
nullMacroLine = TRUE;
}
}
while (mifEndFlag && sourceLineNumber+1<nextIndexLineNumber
&& !alreadyListingMacroExpansion) {
advanceSourceFile();
printListingLine(0, indexAddress, sourceText,
indexKind);
}
if (nextIndexKind == ORG_STATEMENT || nextIndexKind ==
ALIGN_STATEMENT || nextIndexKind ==
REL_STATEMENT) {
if (nextIndexKind == ORG_STATEMENT) {
currentCodeMode = ABSOLUTE_BUFFER;
} else if (nextIndexKind == REL_STATEMENT) {
currentCodeMode = RELOCATABLE_BUFFER;
}
advanceIndexFile();
}
advanceIndexFile();
if (!alreadyListingMacroExpansion)
advanceSourceFile();
if (indexLineNumber < 0) {
while (nextIndexAddress == -1) {
readIndexFileLine(&nextIndexKind,
&nextIndexAddress,
&nextIndexLineNumber);
}
if ((int)indexKind == -2) {
indexKind = NULL_STATEMENT;
}
if (!alreadyListingMacroExpansion) {
callLineNumber = sourceLineNumber;
sourceLineNumber = -indexLineNumber;
alreadyListingMacroExpansion = TRUE;
}
} else if (alreadyListingMacroExpansion) {
alreadyListingMacroExpansion = FALSE;
while (abs(indexLineNumber) < callLineNumber &&
!feof(indexFileForPass2)) {
advanceIndexFile();
}
sourceLineNumber = /*isBlockOpener(indexKind) ?*/
callLineNumber /*+ 1 : indexLineNumber*/;
}
}
}
bool longLineFlag; /* defined in lexer.c */
int
printMacroLine(numberOfBytes, byteAddress, kind)
int numberOfBytes;
int byteAddress;
statementKindType kind;
{
macroAddress = nextMacroAddress;
macroDepth = nextMacroDepth;
strcpy(macroLineBuffer, nextMacroLineBuffer);
readSourceFileLine(&nextMacroAddress, &nextMacroDepth,
nextMacroLineBuffer, macroFileForPass2);
return(printListingLine(numberOfBytes, byteAddress, macroLineBuffer,
kind));
}
void
readSourceFileLine(sourceAddressPtr, sourceDepthPtr, lineBuffer, file)
int *sourceAddressPtr;
int *sourceDepthPtr;
char lineBuffer[];
FILE *file;
{
char c;
*sourceAddressPtr = getw(file);
*sourceDepthPtr = getw(file);
myfgets(lineBuffer, LINE_BUFFER_SIZE, file);
if (longLineFlag) {
while ((c = getc(file)) != '\n' && c != EOF)
;
lineBuffer[LINE_BUFFER_SIZE - 2] = '\n';
}
}
void
readIndexFileLine(statementKindPtr, indexAddressPtr, indexLineNumberPtr)
statementKindType *statementKindPtr;
int *indexAddressPtr;
int *indexLineNumberPtr;
{
statementKindType statementKindRead;
int indexAddressRead;
int indexLineNumberRead;
statementKindRead = (statementKindType) getw(indexFileForPass2);
indexAddressRead = getw(indexFileForPass2);
indexLineNumberRead = getw(indexFileForPass2) - 1;
if (!feof(indexFileForPass2)) {
*statementKindPtr = statementKindRead;
*indexAddressPtr = indexAddressRead;
*indexLineNumberPtr = indexLineNumberRead;
} else {
*indexLineNumberPtr += 1;
}
}
int
printListingLine(numberOfBytes, byteAddress, text, kind)
int numberOfBytes;
int byteAddress;
char *text;
statementKindType kind;
{
int i;
if (kind != BLOCK_STATEMENT)
numberOfBytes = (numberOfBytes < 4) ? numberOfBytes : 4;
if (numberOfBytes==0 && isBlankStatement(kind))
fprintf(listFileOutput, " ");
else
#if TARGET_CPU == CPU_6502
fprintf(listFileOutput, "%04x ", byteAddress);
#elif TARGET_CPU == CPU_68000
fprintf(listFileOutput, "%06x ", byteAddress);
#endif
if (kind != BLOCK_STATEMENT) {
#if TARGET_CPU == CPU_6502
for (i=0; i<numberOfBytes; i++)
fprintf(listFileOutput, " %02x",
getByte(byteAddress++));
for (i=numberOfBytes; i<4; i++)
fprintf(listFileOutput, " ");
} else {
fprintf(listFileOutput, " ");
#elif TARGET_CPU == CPU_68000
for (i=0; i<numberOfBytes; i++) {
fprintf(listFileOutput, "%02x",
getByte(byteAddress++));
if (i==1) fprintf(listFileOutput, " ");
}
for (i=numberOfBytes; i<4; i++) {
fprintf(listFileOutput, " ");
if (i==1) fprintf(listFileOutput, " ");
}
} else {
fprintf(listFileOutput, " ");
#endif
}
if (text == NULL) {
fprintf(listFileOutput, "\n");
} else {
fprintf(listFileOutput, " ");
tabPrint(text);
}
return(numberOfBytes);
}
bool
isBlockOpener(statementKind)
statementKindType statementKind;
{
return (statementKind==IF_STATEMENT ||
statementKind==WHILE_STATEMENT ||
statementKind==DO_WHILE_STATEMENT ||
statementKind==DO_UNTIL_STATEMENT ||
statementKind==CONSTRAIN_STATEMENT ||
/* statementKind==STRUCT_STATEMENT ||*/
statementKind==MIF_STATEMENT ||
statementKind==MFOR_STATEMENT ||
statementKind==MDO_WHILE_STATEMENT ||
statementKind==MDO_UNTIL_STATEMENT ||
statementKind==MWHILE_STATEMENT ||
statementKind==INCLUDE_STATEMENT ||
statementKind==GROUP_STATEMENT
);
}
bool
isBlankStatement(statementKind)
statementKindType statementKind;
{
return( statementKind == DEFINE_STATEMENT ||
statementKind == NULL_STATEMENT ||
statementKind == VARIABLE_STATEMENT ||
statementKind == CONSTRAIN_STATEMENT ||
statementKind == MACRO_STATEMENT ||
statementKind == FUNCTION_STATEMENT ||
statementKind == UNDEFINE_STATEMENT ||
statementKind == MDEFINE_STATEMENT ||
statementKind == MVARIABLE_STATEMENT ||
statementKind == FRETURN_STATEMENT ||
statementKind == UNDEFINE_STATEMENT ||
statementKind == EXTERN_STATEMENT ||
statementKind == START_STATEMENT ||
statementKind == INCLUDE_STATEMENT ||
statementKind == MIF_STATEMENT ||
statementKind == MFOR_STATEMENT ||
statementKind == MDO_WHILE_STATEMENT ||
statementKind == MDO_UNTIL_STATEMENT ||
statementKind == MWHILE_STATEMENT ||
statementKind == PERFORM_STATEMENT
);
}
void
tabPrint(text)
stringType *text;
{
int column;
int spaces;
column = 0;
while (*text != '\0') {
if (*text == '\t') {
for (spaces = 8 - (column % 8); spaces>0; spaces--) {
putc(' ', listFileOutput);
column++;
}
} else {
putc(*text, listFileOutput);
column++;
}
text++;
}
}
void
printNTimes(aChar, times)
char aChar;
int times;
{
while (times-- > 0)
moreText("%c", aChar, 0, 0);
}
void
tabIndent()
{
printNTimes('\t', tabCount);
}
static char expressionString[LINE_BUFFER_SIZE] = { '\0' };
static char *expressionStringPtr = expressionString;
static char expansionString[LINE_BUFFER_SIZE] = { '\0' };
static char *expansionStringPtr = expansionString;
static char labelString[LINE_BUFFER_SIZE] = { '\0' };
static char *labelStringPtr = labelString;
bool
labeledLine()
{
return(labelStringPtr != labelString);
}
void
addText(buffer, bufferPtr, format, arg1, arg2, arg3)
char *buffer;
char **bufferPtr;
char *format;
int arg1;
int arg2;
int arg3;
{
sprintf(*bufferPtr, format, arg1, arg2, arg3);
*bufferPtr = buffer + strlen(buffer);
}
void
moreTextOptional(buffer, bufferPtr, format, arg1, arg2, arg3)
char *buffer;
char **bufferPtr;
char *format;
int arg1;
int arg2;
int arg3;
{
if (buffer == NULL)
addText(expansionString, &expansionStringPtr, format, arg1,
arg2, arg3);
else
addText(buffer, bufferPtr, format, arg1, arg2, arg3);
}
void
moreText(format, arg1, arg2, arg3)
char *format;
int arg1;
int arg2;
int arg3;
{
addText(expansionString, &expansionStringPtr, format, arg1,arg2,arg3);
}
void
moreLabel(format, arg1, arg2, arg3)
char *format;
int arg1;
int arg2;
int arg3;
{
sprintf(labelStringPtr, format, arg1, arg2, arg3);
labelStringPtr = labelString + strlen(labelString);
}
static addressType savedCurrentLocationCounterValue;
static int savedIncludeNestingDepth;
void
startLine()
{
printNTimes('+', macroCallDepth);
savedCurrentLocationCounterValue = currentLocationCounter.value;
savedIncludeNestingDepth = includeNestingDepth;
}
void
endLine()
{
if (amListing()) {
putw(savedCurrentLocationCounterValue, macroFileForPass2);
putw(savedIncludeNestingDepth, macroFileForPass2);
fprintf(macroFileForPass2, "%s\n", expansionString);
}
expansionStringPtr = expansionString;
*expansionStringPtr = '\0';
}
void
flushExpressionString()
{
expressionStringPtr = expressionString;
*expressionStringPtr = '\0';
}
void
expandExpression(toBuffer, toBufferPtr)
char *toBuffer;
char **toBufferPtr;
{
if (toBuffer == NULL)
moreText("%s", expressionString, 0, 0);
else
addText(toBuffer, toBufferPtr, "%s", expressionString, 0, 0);
flushExpressionString();
}
void
expandNum(buffer, bufferPtr, n)
char *buffer;
char **bufferPtr;
int n;
{
moreTextOptional(buffer, bufferPtr, "%d", n, 0, 0);
}
void
flushOperand(n)
int n;
{
moreText("%s", operandBuffer[n], 0, 0);
operandBuffer[n][0] = '\0';
}
void
expandOperands(op)
int op;
{
int i;
if (op > 0) {
flushOperand(0);
for (i=1; i<op; i++) {
moreText(", ", 0, 0, 0);
flushOperand(i);
}
}
}
void
expandLabel()
{
moreText("%s", labelString, 0, 0);
labelStringPtr = labelString;
*labelStringPtr = '\0';
}
void
moreExpression(format, arg1, arg2, arg3)
char *format;
int arg1;
int arg2;
int arg3;
{
sprintf(expressionStringPtr, format, arg1, arg2, arg3);
expressionStringPtr = expressionString + strlen(expressionString);
}
void
startLineMarked()
{
startLine();
if (amListing())
saveIndexForListing(-2, cumulativeLineNumber);
}
bool
notListable(statementKind)
statementKindType statementKind;
{
return(!listableStatement(statementKind) &&
statementKind != INSTRUCTION_STATEMENT &&
(int)statementKind != -2);
}