151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
/*
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* Copyright (c) 1987 Fujitsu
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/*
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parserMisc.c -- Miscellaneous parser support routines for the Macross
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assembler.
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Chip Morningstar -- Lucasfilm Ltd.
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3-November-1984
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*/
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#include "macrossTypes.h"
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#include "macrossGlobals.h"
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#include "y.tab.h"
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#include "buildStuff.h"
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#include "fixups.h"
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#include "initialize.h"
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#include "errorStuff.h"
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#include "parserMisc.h"
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#include <stdarg.h>
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#include <string.h>
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statementType *
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addLabelToStatement(labelListType *labelList, statementType *statement)
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{
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if (statement == NULL)
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statement = newStatement(NULL_STATEMENT, (statementBodyType){ NULL });
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statement->labels = labelList;
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return(statement);
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}
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/* TODO: This should be a varargs function. In 1984 it probably wasn't
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* standardized, but here in Glorious Future Year 1989 the vprintf
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* function does almost exactly what we want. */
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void
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botch(char *message, ...)
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{
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va_list ap;
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printf("Macross horrible terrible internal botch: ");
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va_start(ap, message);
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vprintf(message, ap);
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va_end(ap);
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chokePukeAndDie();
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}
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void
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checkDefineAssignmentOperator(assignmentKindType assignmentOperator)
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{
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if (assignmentOperator != ASSIGN_ASSIGN)
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puntOnError(DEFINE_ASSIGNMENT_WRONG_ERROR);
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}
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statementType *
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convertDefineToMdefine(statementType *defineStatement)
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{
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if (defineStatement->kindOfStatement != DEFINE_STATEMENT)
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botch("convertDefineToMdefine got statement kind: %d\n",
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defineStatement->kindOfStatement, 0, 0);
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defineStatement->kindOfStatement = MDEFINE_STATEMENT;
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return(defineStatement);
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}
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ifStatementBodyType *
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extractIfBody(statementType *ifStatement)
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{
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ifStatementBodyType *result;
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result = ifStatement->statementBody.ifUnion;
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if (ifStatement->labels != NULL)
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botch("extract if body with non-null labels\n", 0, 0, 0);
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else if (ifStatement->nextStatement != NULL)
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botch("extract if body with non-null next\n", 0, 0, 0);
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else
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qfree(ifStatement);
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return(result);
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}
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mifStatementBodyType *
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extractMifBody(statementType *mifStatement)
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{
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mifStatementBodyType *result;
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result = mifStatement->statementBody.mifUnion;
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if (mifStatement->labels != NULL)
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botch("extract mif body with non-null labels\n", 0, 0, 0);
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else if (mifStatement->nextStatement != NULL)
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botch("extract mif body with non-null next\n", 0, 0, 0);
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else
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qfree(mifStatement);
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return(result);
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}
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stringType *
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extractString(operandType *textExpression)
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{
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stringType *result;
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if (textExpression->kindOfOperand != STRING_OPND)
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botch("extract string got handed an opnd kind: %d\n",
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textExpression->kindOfOperand, 0, 0);
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result = textExpression->theOperand.stringUnion;
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qfree(textExpression);
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return(result);
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}
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void
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popMacroOrFunctionNestingDepth(void)
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{
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if (--macroOrFunctionNestingDepth == 0)
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unknownSymbolTag = UNKNOWN_SYMBOL;
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}
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void
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pushMacroOrFunctionNestingDepth(void)
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{
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macroOrFunctionNestingDepth++;
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unknownSymbolTag = NESTED_UNKNOWN_SYMBOL;
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}
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char *
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saveString(char *s)
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{
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char *result;
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result = (char *)malloc(strlen(s)+1);
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strcpy(result, s);
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return(result);
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}
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