xref: /titanic_52/usr/src/common/ficl/word.c (revision a1bf3f785ae05c419b339c3a2061f2b18c024f61)

#include "ficl.h"

/*
 * w o r d I s I m m e d i a t e
 */
int
ficlWordIsImmediate(ficlWord *word)
{
	return ((word != NULL) && (word->flags & FICL_WORD_IMMEDIATE));
}

/*
 * w o r d I s C o m p i l e O n l y
 */
int
ficlWordIsCompileOnly(ficlWord *word)
{
	return ((word != NULL) && (word->flags & FICL_WORD_COMPILE_ONLY));
}

/*
 * f i c l W o r d C l a s s i f y
 * This public function helps to classify word types for SEE
 * and the debugger in tools.c. Given an pointer to a word, it returns
 * a member of WOR
 */
ficlWordKind
ficlWordClassify(ficlWord *word)
{
	ficlPrimitive code;
	ficlInstruction i;
	ficlWordKind iType;

	if ((((ficlInstruction)word) > ficlInstructionInvalid) &&
	    (((ficlInstruction)word) < ficlInstructionLast)) {
		i = (ficlInstruction)word;
		iType = FICL_WORDKIND_INSTRUCTION;
		goto IS_INSTRUCTION;
	}

	code = word->code;

	if ((((ficlInstruction)code) > ficlInstructionInvalid) &&
	    (((ficlInstruction)code) < ficlInstructionLast)) {
		i = (ficlInstruction)code;
		iType = FICL_WORDKIND_INSTRUCTION_WORD;
		goto IS_INSTRUCTION;
	}

	return (FICL_WORDKIND_PRIMITIVE);

IS_INSTRUCTION:

	switch (i) {
	case ficlInstructionConstantParen:
#if FICL_WANT_FLOAT
	case ficlInstructionFConstantParen:
#endif /* FICL_WANT_FLOAT */
	return (FICL_WORDKIND_CONSTANT);

	case ficlInstruction2ConstantParen:
#if FICL_WANT_FLOAT
	case ficlInstructionF2ConstantParen:
#endif /* FICL_WANT_FLOAT */
	return (FICL_WORDKIND_2CONSTANT);

#if FICL_WANT_LOCALS
	case ficlInstructionToLocalParen:
	case ficlInstructionTo2LocalParen:
#if FICL_WANT_FLOAT
	case ficlInstructionToFLocalParen:
	case ficlInstructionToF2LocalParen:
#endif /* FICL_WANT_FLOAT */
	return (FICL_WORDKIND_INSTRUCTION_WITH_ARGUMENT);
#endif /* FICL_WANT_LOCALS */

#if FICL_WANT_USER
	case ficlInstructionUserParen:
	return (FICL_WORDKIND_USER);
#endif

	case ficlInstruction2LiteralParen:
	return (FICL_WORDKIND_2LITERAL);

#if FICL_WANT_FLOAT
	case ficlInstructionFLiteralParen:
	return (FICL_WORDKIND_FLITERAL);
#endif
	case ficlInstructionCreateParen:
	return (FICL_WORDKIND_CREATE);

	case ficlInstructionCStringLiteralParen:
	return (FICL_WORDKIND_CSTRING_LITERAL);

	case ficlInstructionStringLiteralParen:
	return (FICL_WORDKIND_STRING_LITERAL);

	case ficlInstructionColonParen:
	return (FICL_WORDKIND_COLON);

	case ficlInstructionDoDoes:
	return (FICL_WORDKIND_DOES);

	case ficlInstructionDoParen:
	return (FICL_WORDKIND_DO);

	case ficlInstructionQDoParen:
	return (FICL_WORDKIND_QDO);

	case ficlInstructionVariableParen:
	return (FICL_WORDKIND_VARIABLE);

	case ficlInstructionBranchParenWithCheck:
	case ficlInstructionBranchParen:
	return (FICL_WORDKIND_BRANCH);

	case ficlInstructionBranch0ParenWithCheck:
	case ficlInstructionBranch0Paren:
	return (FICL_WORDKIND_BRANCH0);

	case ficlInstructionLiteralParen:
	return (FICL_WORDKIND_LITERAL);

	case ficlInstructionLoopParen:
	return (FICL_WORDKIND_LOOP);

	case ficlInstructionOfParen:
	return (FICL_WORDKIND_OF);

	case ficlInstructionPlusLoopParen:
	return (FICL_WORDKIND_PLOOP);

	default:
	return (iType);
	}
}