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https://github.com/ksherlock/x65.git
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Bug fixes
- struse.h replace with bookend didn't check bookends in all cases - macros can be inside of conditionals (within if/else/endif, etc) - string symbols mistake caused garbage code (missing braces around assignment and return)
This commit is contained in:
Carl-Henrik Skårstedt
parent
72b81efc87
commit
260f48e126
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@ -89,6 +89,8 @@ Primarily tested with personal archive of sources written for Kick assmebler, DA
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* irp (indefinite repeat)
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**FIXED**
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* Macros works within conditionals (if/else/endif, etc)
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* String symbols broke late evaluation resulting in garbage references, this has been fixed
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* Added string symbols
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* Resolved the DirectPage_Stack section vs. Zeropage section for Apple II GS/OS executables.
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* OMF export for Apple II GS/OS executables
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17
struse.h
17
struse.h
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@ -2782,7 +2782,7 @@ int strref::find_last_bookend(const strref str, const strref bookend) const
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}
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}
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if (!left_check) {
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if (string == scan_chk || bookend.char_matches_ranges(int_tolower_ascii7(*--cmp_chk)))
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if (string == scan_chk || bookend.char_matches_ranges(int_tolower_ascii7(*--scan_chk)))
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return left - str.length + 1;
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}
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}
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@ -4272,7 +4272,7 @@ strl_t _strmod_inplace_replace_bookend_int(char *string, strl_t length, strl_t c
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ps += ss;
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while (ss >= 0 && strl_t(ss)<left) {
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ps += len_a;
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int sl = strref(ps, left - ss - len_a).find(a);
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int sl = strref(ps, left - ss - len_a).find_bookend(a, bookend);
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if (sl<0)
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sl = left - ss - len_a;
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if (len_b && b.get()) {
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@ -4281,10 +4281,15 @@ strl_t _strmod_inplace_replace_bookend_int(char *string, strl_t length, strl_t c
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while (r--)
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*pd++ = *po++;
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}
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if (ps != pd && sl) {
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int r = sl;
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while (r--)
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*pd++ = *ps++;
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if (sl) {
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if (ps != pd) {
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int r = sl;
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while (r--)
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*pd++ = *ps++;
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} else {
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pd += sl;
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ps += sl;
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}
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}
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ss += len_a + sl;
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}
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88
x65.cpp
88
x65.cpp
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@ -143,6 +143,7 @@ enum StatusCode {
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ERROR_OUT_OF_MEMORY,
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ERROR_CANT_WRITE_TO_FILE,
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ERROR_ABORTED,
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ERROR_CONDITION_TOO_NESTED,
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STATUSCODE_COUNT
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};
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@ -212,6 +213,7 @@ const char *aStatusStrings[STATUSCODE_COUNT] = {
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"Out of memory while building",
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"Can not write to file",
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"Assembly aborted",
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"Condition too deeply nested",
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};
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// Assembler directives
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@ -1394,6 +1396,7 @@ typedef struct {
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strref next_source; // next position/length in source file
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short repeat; // how many times to repeat this code segment
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short repeat_total; // initial number of repeats for this code segment
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short conditional_ctx; // conditional depth at root of this context
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bool scoped_context;
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void restart() { read_source = code_segment; }
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bool complete() { repeat--; return repeat <= 0; }
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@ -1464,7 +1467,7 @@ public:
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AsmSyntax syntax;
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// Conditional assembly vars
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int conditional_depth;
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int conditional_depth; // conditional depth / base depth for context
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strref conditional_source[MAX_CONDITIONAL_DEPTH]; // start of conditional for error report
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char conditional_nesting[MAX_CONDITIONAL_DEPTH];
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bool conditional_consumed[MAX_CONDITIONAL_DEPTH];
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@ -1491,6 +1494,10 @@ public:
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// Convert source to binary
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void Assemble(strref source, strref filename, bool obj_target);
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// Push a new context and handle enter / exit of context
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StatusCode PushContext(strref src_name, strref src_file, strref code_seg, int rept = 1);
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StatusCode PopContext();
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// Generate assembler listing if requested
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bool List(strref filename);
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@ -2675,6 +2682,41 @@ StatusCode Asm::ExitScope()
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}
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//
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//
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// CONTEXT ISOLATION
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//
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//
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StatusCode Asm::PushContext(strref src_name, strref src_file, strref code_seg, int rept)
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{
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if (conditional_depth>=MAX_CONDITIONAL_DEPTH)
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return ERROR_CONDITION_TOO_NESTED;
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conditional_depth++;
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conditional_nesting[conditional_depth] = 0;
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conditional_consumed[conditional_depth] = false;
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contextStack.push(src_name, src_file, code_seg, rept);
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contextStack.curr().conditional_ctx = conditional_depth;
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return STATUS_OK;
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}
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StatusCode Asm::PopContext()
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{
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if (contextStack.curr().scoped_context && scope_depth) {
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StatusCode ret = ExitScope();
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if (ret != STATUS_OK)
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return ret;
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}
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if (!ConditionalAsm() || ConditionalConsumed() ||
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conditional_depth!=contextStack.curr().conditional_ctx)
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return ERROR_UNTERMINATED_CONDITION;
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conditional_depth = contextStack.curr().conditional_ctx-1;
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contextStack.pop();
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return STATUS_OK;
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}
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//
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//
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@ -2836,7 +2878,7 @@ StatusCode Asm::BuildMacro(Macro &m, strref arg_list)
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macexp.replace_bookend(tag.get_strref(), a, label_end_char_range_merlin);
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}
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}
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contextStack.push(m.source_name, macexp.get_strref(), macexp.get_strref());
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PushContext(m.source_name, macexp.get_strref(), macexp.get_strref());
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if (scope_depth>=(MAX_SCOPE_DEPTH-1))
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return ERROR_TOO_DEEP_SCOPE;
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else
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@ -2869,9 +2911,9 @@ StatusCode Asm::BuildMacro(Macro &m, strref arg_list)
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strref a = arg_list.split_token_trim(token);
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macexp.replace_bookend(param, a, label_end_char_range);
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}
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contextStack.push(m.source_name, macexp.get_strref(), macexp.get_strref());
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PushContext(m.source_name, macexp.get_strref(), macexp.get_strref());
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if (end_macro_directive) {
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contextStack.push(m.source_name, macexp.get_strref(), macexp.get_strref());
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PushContext(m.source_name, macexp.get_strref(), macexp.get_strref());
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if (scope_depth>=(MAX_SCOPE_DEPTH-1))
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return ERROR_TOO_DEEP_SCOPE;
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else
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@ -2882,7 +2924,7 @@ StatusCode Asm::BuildMacro(Macro &m, strref arg_list)
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} else
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return ERROR_OUT_OF_MEMORY_FOR_MACRO_EXPANSION;
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}
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contextStack.push(m.source_name, m.source_file, macro_src);
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PushContext(m.source_name, m.source_file, macro_src);
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return STATUS_OK;
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}
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@ -3203,7 +3245,7 @@ EvalOperator Asm::RPNToken(strref &exp, const struct EvalContext &etx, EvalOpera
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if (ret != STATUS_NOT_STRUCT) return EVOP_ERR; // partial struct
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}
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if (!pLabel && label.same_str("rept")) { value = etx.rept_cnt; return EVOP_VAL; }
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if (!pLabel) { if (StringSymbol *pStr = GetString(label)) subexp = pStr->get(); return EVOP_EXP; }
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if (!pLabel) { if (StringSymbol *pStr = GetString(label)) { subexp = pStr->get(); return EVOP_EXP; } }
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if (!pLabel || !pLabel->evaluated) return EVOP_NRY; // this label could not be found (yet)
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value = pLabel->value; section = pLabel->section; return pLabel->reference ? EVOP_XRF : EVOP_VAL;
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}
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@ -4224,7 +4266,7 @@ StatusCode Asm::StringAction(StringSymbol *pStr, strref line)
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mac.copy(str);
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mac.replace("\\n", "\n");
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loadedData.push_back(macro);
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contextStack.push(contextStack.curr().source_name, mac.get_strref(), mac.get_strref());
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PushContext(contextStack.curr().source_name, mac.get_strref(), mac.get_strref());
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if (scope_depth >= (MAX_SCOPE_DEPTH - 1))
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return ERROR_TOO_DEEP_SCOPE;
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else
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@ -4255,7 +4297,7 @@ bool Asm::NewConditional() {
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// Encountered #endif, close out the current conditional
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void Asm::CloseConditional() {
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if (conditional_depth)
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if (conditional_depth>contextStack.curr().conditional_ctx)
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conditional_depth--;
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else
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conditional_consumed[conditional_depth] = false;
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@ -4419,7 +4461,7 @@ StatusCode Asm::Directive_Rept(strref line, strref source_file)
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} else
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recur = read_source.scoped_block_skip();
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ctx.next_source = read_source;
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contextStack.push(ctx.source_name, ctx.source_file, recur, count);
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PushContext(ctx.source_name, ctx.source_file, recur, count);
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}
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return STATUS_OK;
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}
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@ -4505,27 +4547,27 @@ StatusCode Asm::Directive_Include(strref line)
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if ((buffer = LoadText(file, size))) {
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loadedData.push_back(buffer);
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strref src(buffer, strl_t(size));
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contextStack.push(file, src, src);
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PushContext(file, src, src);
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} else if (syntax == SYNTAX_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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strref src(buffer, strl_t(size));
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contextStack.push(file+1, src, src);
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PushContext(file+1, src, src);
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} else {
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strown<512> fileadd(file[0]>='!' && file[0]<='&' ? (file+1) : file);
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fileadd.append(".s");
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if ((buffer = LoadText(fileadd.get_strref(), size))) {
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loadedData.push_back(buffer); // MERLIN: !+filename appends .S to filenames
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strref src(buffer, strl_t(size));
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contextStack.push(file, src, src);
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PushContext(file, src, src);
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} else {
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fileadd.copy("T."); // MERLIN: just filename prepends T. to filenames
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fileadd.append(file[0]>='!' && file[0]<='&' ? (file+1) : file);
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if ((buffer = LoadText(fileadd.get_strref(), size))) {
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loadedData.push_back(buffer);
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strref src(buffer, strl_t(size));
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contextStack.push(file, src, src);
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PushContext(file, src, src);
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}
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}
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}
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@ -5745,13 +5787,13 @@ StatusCode Asm::BuildLine(strref line)
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}
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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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(!ConditionalAsm() || ConditionalConsumed() || !conditional_depth)) {
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if (syntax == SYNTAX_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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} else {
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PrintError(conditional_source[conditional_depth], error);
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PrintError(conditional_source[conditional_depth], ERROR_UNTERMINATED_CONDITION);
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return ERROR_UNTERMINATED_CONDITION;
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}
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}
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@ -6069,16 +6111,14 @@ void Asm::Assemble(strref source, strref filename, bool obj_target)
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SetCPU(cpu);
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StatusCode error = STATUS_OK;
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contextStack.push(filename, source, source);
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PushContext(filename, source, source);
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scope_address[scope_depth] = CurrSection().GetPC();
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while (contextStack.has_work()) {
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while (contextStack.has_work() && error == STATUS_OK) {
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error = BuildSegment();
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if (contextStack.curr().complete()) {
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if (contextStack.curr().scoped_context && scope_depth)
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ExitScope();
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contextStack.pop();
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} else
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if (contextStack.curr().complete())
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error = PopContext();
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else
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contextStack.curr().restart();
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}
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if (error == STATUS_OK) {
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@ -6108,7 +6148,9 @@ void Asm::Assemble(strref source, strref filename, bool obj_target)
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fwrite(errorText.get(), errorText.get_len(), 1, stderr);
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}
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}
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}
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} else
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PrintError(&contextStack.curr() ?
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contextStack.curr().read_source.get_line() : strref(), error);
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}
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