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https://github.com/ksherlock/x65.git
synced 2025-02-06 09:29:57 +00:00
Fix for Merlin macros with arguments
- Macro argument was assembled and first argument was defined as a label
This commit is contained in:
Carl-Henrik Skårstedt
parent
341cc8f2ad
commit
ee53c41776
63
x65.cpp
63
x65.cpp
@ -1406,8 +1406,8 @@ typedef struct {
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// Context stack is a stack of currently processing text
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class ContextStack {
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private:
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std::vector<SourceContext> stack;
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SourceContext *currContext;
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std::vector<SourceContext> stack; // stack of contexts
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SourceContext *currContext; // current context
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public:
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ContextStack() : currContext(nullptr) { stack.reserve(32); }
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SourceContext& curr() { return *currContext; }
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@ -1652,6 +1652,9 @@ public:
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// Change CPU
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void SetCPU(CPUIndex CPU);
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// Syntax
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bool Merlin() const { return syntax == SYNTAX_MERLIN; }
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// constructor
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Asm() : opcode_table(opcodes_6502), opcode_count(num_opcodes_6502), num_instructions(0),
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cpu(CPU_6502), list_cpu(CPU_6502) {
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@ -1761,7 +1764,7 @@ void Asm::SetCPU(CPUIndex CPU) {
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opcode_table = aCPUs[CPU].opcodes;
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opcode_count = aCPUs[CPU].num_opcodes;
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num_instructions = BuildInstructionTable(aInstructions, MAX_OPCODES_DIRECTIVES, opcode_table,
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opcode_count, aCPUs[CPU].aliases, syntax == SYNTAX_MERLIN);
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opcode_count, aCPUs[CPU].aliases, Merlin());
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}
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// Read in text data (main source, include, etc.)
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@ -2745,7 +2748,7 @@ StatusCode Asm::AddMacro(strref macro, strref source_name, strref source_file, s
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//
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strref name;
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bool params_first_line = false;
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if (syntax == SYNTAX_MERLIN) {
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if (Merlin()) {
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if (Label *pLastLabel = GetLabel(last_label)) {
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labels.remove((unsigned int)(pLastLabel - labels.getValues()));
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name = last_label;
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@ -2781,7 +2784,7 @@ StatusCode Asm::AddMacro(strref macro, strref source_name, strref source_file, s
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pMacro = macros.getValues() + ins;
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}
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pMacro->name = name;
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if (syntax == SYNTAX_MERLIN) {
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if (Merlin()) {
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strref source = macro;
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while (strref next_line = macro.line()) {
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next_line = next_line.before_or_full(';');
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@ -2846,7 +2849,7 @@ StatusCode Asm::BuildMacro(Macro &m, strref arg_list)
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params = (macro_src[0] == '(' ? macro_src.scoped_block_skip() : strref());
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params.trim_whitespace();
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arg_list.trim_whitespace();
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if (syntax == SYNTAX_MERLIN) {
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if (Merlin()) {
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// need to include comment field because separator is ;
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if (contextStack.curr().read_source.is_substr(arg_list.get()))
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arg_list = (contextStack.curr().read_source +
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@ -2867,6 +2870,7 @@ StatusCode Asm::BuildMacro(Macro &m, strref arg_list)
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int count = macro_src.substr_case_count(tag.get_strref());
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dSize += count * ((int)a.get_len() - (int)tag.get_len());
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}
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macro_src.line(); // skip macro parameters
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int mac_size = macro_src.get_len() + dSize + 32;
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if (char *buffer = (char*)malloc(mac_size)) {
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loadedData.push_back(buffer);
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@ -3326,7 +3330,7 @@ StatusCode Asm::EvalExpression(strref expression, const struct EvalContext &etx,
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if (!expression && exp_sp) {
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expression = expression_stack[--exp_sp];
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op = EVOP_RPR;
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} else if (syntax == SYNTAX_MERLIN)
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} else if (Merlin())
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op = RPNToken_Merlin(expression, etx, prev_op, section, value);
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else
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op = RPNToken(expression, etx, prev_op, section, value, subexp);
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@ -4261,7 +4265,7 @@ StatusCode Asm::ParseStringOp(StringSymbol *pStr, strref line)
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line += substr.get_len() + 2;
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pStr->Append(substr);
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} else {
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strref label = line.split_range(syntax == SYNTAX_MERLIN ?
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strref label = line.split_range(Merlin() ?
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label_end_char_range_merlin : label_end_char_range);
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if (StringSymbol *pStr2 = GetString(label))
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pStr->Append(pStr2->get());
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@ -4451,7 +4455,7 @@ StatusCode Asm::Directive_Rept(strref line, strref source_file)
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if (read_source.is_substr(line.get())) {
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read_source.skip(strl_t(line.get() - read_source.get()));
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strref expression;
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if (syntax == SYNTAX_MERLIN || end_macro_directive) {
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if (Merlin() || end_macro_directive) {
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expression = line; // Merlin repeat body begins next line
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read_source.line();
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} else {
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@ -4469,7 +4473,7 @@ StatusCode Asm::Directive_Rept(strref line, strref source_file)
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if (STATUS_OK != EvalExpression(expression, etx, count))
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return ERROR_REPT_COUNT_EXPRESSION;
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strref recur;
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if (syntax == SYNTAX_MERLIN || end_macro_directive) {
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if (Merlin() || end_macro_directive) {
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recur = read_source; // Merlin repeat body ends at "--^"
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while (strref next_line = read_source.line()) {
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next_line = next_line.before_or_full(';');
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@ -4491,9 +4495,10 @@ StatusCode Asm::Directive_Rept(strref line, strref source_file)
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// macro: create an assembler macro
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StatusCode Asm::Directive_Macro(strref line, strref source_file)
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{
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strref read_source = contextStack.curr().read_source;
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if (read_source.is_substr(line.get())) {
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read_source.skip(strl_t(line.get()-read_source.get()));
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strref read_source = contextStack.curr().read_source.get_skip_ws();
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if (!Merlin() && read_source.is_substr(line.get()))
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read_source.skip(line.get()-read_source.get());
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if (read_source) {
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StatusCode error = AddMacro(read_source, contextStack.curr().source_name,
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contextStack.curr().source_file, read_source);
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contextStack.curr().next_source = read_source;
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@ -4532,7 +4537,7 @@ StatusCode Asm::Directive_String(strref line)
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StatusCode Asm::Directive_Undef(strref line)
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{
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strref name = line.split_range_trim(syntax == SYNTAX_MERLIN ? label_end_char_range_merlin : label_end_char_range);
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strref name = line.split_range_trim(Merlin() ? label_end_char_range_merlin : label_end_char_range);
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unsigned int name_hash = name.fnv1a();
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unsigned int index = FindLabelIndex(name_hash, labels.getKeys(), labels.count());
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while (index < labels.count() && name_hash == labels.getKey(index)) {
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@ -4570,7 +4575,7 @@ StatusCode Asm::Directive_Include(strref line)
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loadedData.push_back(buffer);
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strref src(buffer, strl_t(size));
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PushContext(file, src, src);
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} else if (syntax == SYNTAX_MERLIN) {
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} else if (Merlin()) {
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// MERLIN include file name rules
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if (file[0]>='!' && file[0]<='&' && (buffer = LoadText(file+1, size))) {
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loadedData.push_back(buffer); // MERLIN: prepend with !-& to not auto-prepend with T.
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@ -4750,7 +4755,7 @@ StatusCode Asm::Directive_LNK(strref line)
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StatusCode Asm::Directive_XDEF(strref line)
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{
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line.trim_whitespace();
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if (strref xdef = line.split_range(syntax == SYNTAX_MERLIN ?
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if (strref xdef = line.split_range(Merlin() ?
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label_end_char_range_merlin : label_end_char_range)) {
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char f = xdef.get_first();
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char e = xdef.get_last();
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@ -4796,7 +4801,7 @@ StatusCode Asm::Directive_DC(strref line, int width, strref source_file)
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while (strref exp_dc = line.split_token_trim(',')) {
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int value = 0;
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if (!CurrSection().IsDummySection()) {
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if (syntax == SYNTAX_MERLIN && exp_dc.get_first() == '#') // MERLIN allows for an immediate declaration on data
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if (Merlin() && exp_dc.get_first() == '#') // MERLIN allows for an immediate declaration on data
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++exp_dc;
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StatusCode error = EvalExpression(exp_dc, etx, value);
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if (error > STATUS_XREF_DEPENDENT)
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@ -4883,7 +4888,7 @@ StatusCode Asm::Directive_EVAL(strref line)
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struct EvalContext etx;
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SetEvalCtxDefaults(etx);
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strref lab1 = line;
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lab1 = lab1.split_token_any_trim(syntax == SYNTAX_MERLIN ? label_end_char_range_merlin : label_end_char_range);
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lab1 = lab1.split_token_any_trim(Merlin() ? label_end_char_range_merlin : label_end_char_range);
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StringSymbol *pStr = line.same_str_case(lab1) ? GetString(lab1) : nullptr;
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if (line && EvalExpression(line, etx, value) == STATUS_OK) {
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@ -5027,7 +5032,7 @@ StatusCode Asm::ApplyDirective(AssemblerDirective dir, strref line, strref sourc
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case AD_XREF:
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Directive_XREF(line.split_range_trim(
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syntax == SYNTAX_MERLIN ? label_end_char_range_merlin : label_end_char_range));
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Merlin() ? label_end_char_range_merlin : label_end_char_range));
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break;
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case AD_ENT: // MERLIN version of xdef, makes most recently defined label external
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@ -5476,9 +5481,9 @@ StatusCode Asm::AddOpcode(strref line, int index, strref source_file)
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addrMode = AMB_ABS_L_X;
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else if (addrMode==AMB_REL_L && (validModes & AMM_ZP_REL_L))
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addrMode = AMB_ZP_REL_L;
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else if (syntax == SYNTAX_MERLIN && addrMode==AMB_IMM && validModes==AMM_ABS)
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else if (Merlin() && addrMode==AMB_IMM && validModes==AMM_ABS)
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addrMode = AMB_ABS; // Merlin seems to allow this
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else if (syntax == SYNTAX_MERLIN && addrMode==AMB_ABS && validModes==AMM_ZP_REL)
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else if (Merlin() && addrMode==AMB_ABS && validModes==AMM_ZP_REL)
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addrMode = AMB_ZP_REL; // Merlin seems to allow this
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else
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return ERROR_INVALID_ADDRESSING_MODE;
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@ -5665,7 +5670,7 @@ StatusCode Asm::BuildLine(strref line)
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StatusCode error = STATUS_OK;
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// MERLIN: First char of line is * means comment
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if (syntax==SYNTAX_MERLIN && line[0]=='*')
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if (Merlin() && line[0]=='*')
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return STATUS_OK;
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// remember for listing
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@ -5673,6 +5678,10 @@ StatusCode Asm::BuildLine(strref line)
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int start_address = CurrSection().address;
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strref code_line = line;
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list_flags = 0;
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if (line.find("macro")>=0)
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printf("HEY!");
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while (line && error == STATUS_OK) {
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strref line_start = line;
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char char0 = line[0]; // first char including white space
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@ -5684,13 +5693,13 @@ StatusCode Asm::BuildLine(strref line)
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if (line[0]==':' && syntax!=SYNTAX_MERLIN) // Kick Assembler macro prefix (incompatible with merlin)
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++line;
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strref line_nocom = line;
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strref operation = line.split_range(syntax==SYNTAX_MERLIN ? label_end_char_range_merlin : label_end_char_range);
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strref operation = line.split_range(Merlin() ? label_end_char_range_merlin : label_end_char_range);
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char char1 = operation[0]; // first char of first word
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char charE = operation.get_last(); // end char of first word
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line.trim_whitespace();
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bool force_label = charE==':' || charE=='$';
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if (!force_label && syntax==SYNTAX_MERLIN && (line || operation)) // MERLIN fixes and PoP does some naughty stuff like 'and = 0'
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if (!force_label && Merlin() && (line || operation)) // MERLIN fixes and PoP does some naughty stuff like 'and = 0'
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force_label = !strref::is_ws(char0) || char1==']' || charE=='?';
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else if (!force_label && syntax!=SYNTAX_MERLIN && line[0]==':')
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force_label = true;
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@ -5790,7 +5799,7 @@ StatusCode Asm::BuildLine(strref line)
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if (StringSymbol *pStr = GetString(label)) {
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StringAction(pStr, line);
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line.clear();
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} else if (syntax==SYNTAX_MERLIN && strref::is_ws(line_start[0])) {
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} else if (Merlin() && strref::is_ws(line_start[0])) {
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error = ERROR_UNDEFINED_CODE;
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} else if (label[0]=='$')
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line.clear();
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@ -5810,7 +5819,7 @@ StatusCode Asm::BuildLine(strref line)
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// Check for unterminated condition in source
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if (!contextStack.curr().next_source &&
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(!ConditionalAsm() || ConditionalConsumed() || !conditional_depth)) {
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if (syntax == SYNTAX_MERLIN) { // this isn't a listed feature,
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if (Merlin()) { // this isn't a listed feature,
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conditional_nesting[0] = 0; // some files just seem to get away without closing
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conditional_consumed[0] = 0;
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conditional_depth = 0;
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@ -6494,7 +6503,7 @@ StatusCode Asm::ReadObjectFile(strref filename, int link_to_section)
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size_t size;
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strown<512> file;
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file.copy(filename); // Merlin mostly uses extension-less files, append .x65 as a default
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if ((syntax==SYNTAX_MERLIN && !file.has_suffix(".x65")) || filename.find('.')<0)
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if ((Merlin() && !file.has_suffix(".x65")) || filename.find('.')<0)
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file.append(".x65");
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int file_index = (int)externals.size();
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if (char *data = LoadBinary(file.get_strref(), size)) {
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