+/* Globally accessible scratch buffer for file names.
+ TODO: replace them with local buffers */
+char scratchFileName[PATH_MAX];
+char buffer[PATH_MAX * 2];
+
+#define LENGTH(_a) (sizeof(_a)/sizeof(*(_a)))
+
+#define OPTION_HELP "--help"
+#define OPTION_OUT_FMT_IHX "--out-fmt-ihx"
+#define OPTION_OUT_FMT_S19 "--out-fmt-s19"
+#define OPTION_LARGE_MODEL "--model-large"
+#define OPTION_MEDIUM_MODEL "--model-medium"
+#define OPTION_SMALL_MODEL "--model-small"
+#define OPTION_DUMP_ALL "--dumpall"
+#define OPTION_PEEP_FILE "--peep-file"
+#define OPTION_LIB_PATH "--lib-path"
+#define OPTION_CALLEE_SAVES "--callee-saves"
+#define OPTION_STACK_LOC "--stack-loc"
+#define OPTION_XSTACK_LOC "--xstack-loc"
+#define OPTION_DATA_LOC "--data-loc"
+#define OPTION_IDATA_LOC "--idata-loc"
+#define OPTION_XRAM_LOC "--xram-loc"
+#define OPTION_CODE_LOC "--code-loc"
+#define OPTION_IRAM_SIZE "--iram-size"
+#define OPTION_XRAM_SIZE "--xram-size"
+#define OPTION_CODE_SIZE "--code-size"
+#define OPTION_VERSION "--version"
+#define OPTION_NO_LABEL_OPT "--nolabelopt"
+#define OPTION_NO_LOOP_INV "--noinvariant"
+#define OPTION_NO_LOOP_IND "--noinduction"
+#define OPTION_LESS_PEDANTIC "--less-pedantic"
+#define OPTION_DISABLE_WARNING "--disable-warning"
+#define OPTION_WERROR "--Werror"
+#define OPTION_NO_GCSE "--nogcse"
+#define OPTION_SHORT_IS_8BITS "--short-is-8bits"
+#define OPTION_NO_XINIT_OPT "--no-xinit-opt"
+#define OPTION_NO_CCODE_IN_ASM "--no-c-code-in-asm"
+#define OPTION_ICODE_IN_ASM "--i-code-in-asm"
+#define OPTION_PRINT_SEARCH_DIRS "--print-search-dirs"
+#define OPTION_MSVC_ERROR_STYLE "--vc"
+#define OPTION_USE_STDOUT "--use-stdout"
+#define OPTION_NO_PEEP_COMMENTS "--no-peep-comments"
+#define OPTION_VERBOSE_ASM "--fverbose-asm"
+#define OPTION_OPT_CODE_SPEED "--opt-code-speed"
+#define OPTION_OPT_CODE_SIZE "--opt-code-size"
+#define OPTION_STD_C89 "--std-c89"
+#define OPTION_STD_C99 "--std-c99"
+#define OPTION_STD_SDCC89 "--std-sdcc89"
+#define OPTION_STD_SDCC99 "--std-sdcc99"
+#define OPTION_CODE_SEG "--codeseg"
+#define OPTION_CONST_SEG "--constseg"
+#define OPTION_DOLLARS_IN_IDENT "--fdollars-in-identifiers"
+#define OPTION_UNSIGNED_CHAR "--funsigned-char"
+
+static const OPTION
+optionsTable[] = {
+ { 0, NULL, NULL, "General options" },
+ { 0, OPTION_HELP, NULL, "Display this help" },
+ { 'v', OPTION_VERSION, NULL, "Display sdcc's version" },
+ { 0, "--verbose", &options.verbose, "Trace calls to the preprocessor, assembler, and linker" },
+ { 'V', NULL, &options.verboseExec, "Execute verbosely. Show sub commands as they are run" },
+ { 'd', NULL, NULL, NULL },
+ { 'D', NULL, NULL, "Define macro as in -Dmacro" },
+ { 'I', NULL, NULL, "Add to the include (*.h) path, as in -Ipath" },
+ { 'A', NULL, NULL, NULL },
+ { 'U', NULL, NULL, NULL },
+ { 'M', NULL, NULL, "Preprocessor option" },
+ { 'W', NULL, NULL, "Pass through options to the pre-processor (p), assembler (a) or linker (l)" },
+ { 'S', NULL, &noAssemble, "Compile only; do not assemble or link" },
+ { 'c', "--compile-only", &options.cc_only, "Compile and assemble, but do not link" },
+ { 'E', "--preprocessonly", &preProcOnly, "Preprocess only, do not compile" },
+ { 0, "--c1mode", &options.c1mode, "Act in c1 mode. The standard input is preprocessed code, the output is assembly code." },
+ { 'o', NULL, NULL, "Place the output into the given path resp. file" },
+ { 0, OPTION_PRINT_SEARCH_DIRS, &options.printSearchDirs, "display the directories in the compiler's search path"},
+ { 0, OPTION_MSVC_ERROR_STYLE, &options.vc_err_style, "messages are compatible with Micro$oft visual studio"},
+ { 0, OPTION_USE_STDOUT, NULL, "send errors to stdout instead of stderr"},
+ { 0, "--nostdlib", &options.nostdlib, "Do not include the standard library directory in the search path" },
+ { 0, "--nostdinc", &options.nostdinc, "Do not include the standard include directory in the search path" },
+ { 0, OPTION_LESS_PEDANTIC, NULL, "Disable some of the more pedantic warnings" },
+ { 0, OPTION_DISABLE_WARNING, NULL, "<nnnn> Disable specific warning" },
+ { 0, OPTION_WERROR, NULL, "Treat the warnings as errors" },
+ { 0, "--debug", &options.debug, "Enable debugging symbol output" },
+ { 0, "--cyclomatic", &options.cyclomatic, "Display complexity of compiled functions" },
+ { 0, OPTION_STD_C89, NULL, "Use C89 standard only" },
+ { 0, OPTION_STD_SDCC89, NULL, "Use C89 standard with SDCC extensions (default)" },
+ { 0, OPTION_STD_C99, NULL, "Use C99 standard only (incomplete)" },
+ { 0, OPTION_STD_SDCC99, NULL, "Use C99 standard with SDCC extensions (incomplete)" },
+ { 0, OPTION_DOLLARS_IN_IDENT, &options.dollars_in_ident, "Permit '$' as an identifier character" },
+ { 0, OPTION_UNSIGNED_CHAR, &options.unsigned_char, "Make \"char\" unsigned by default" },
+
+ { 0, NULL, NULL, "Code generation options"},
+ { 'm', NULL, NULL, "Set the port to use e.g. -mz80." },
+ { 'p', NULL, NULL, "Select port specific processor e.g. -mpic14 -p16f84" },
+ { 0, OPTION_LARGE_MODEL, NULL, "external data space is used" },
+ { 0, OPTION_MEDIUM_MODEL, NULL, "external paged data space is used" },
+ { 0, OPTION_SMALL_MODEL, NULL, "internal data space is used (default)" },
+ { 0, "--stack-auto", &options.stackAuto, "Stack automatic variables" },
+ { 0, "--xstack", &options.useXstack, "Use external stack" },
+ { 0, "--int-long-reent", &options.intlong_rent, "Use reentrant calls on the int and long support functions" },
+ { 0, "--float-reent", &options.float_rent, "Use reentrant calls on the float support functions" },
+ { 0, "--main-return", &options.mainreturn, "Issue a return after main()" },
+ { 0, "--xram-movc", &options.xram_movc, "Use movc instead of movx to read xram (xdata)" },
+ { 0, OPTION_CALLEE_SAVES, &options.calleeSavesSet, "<func[,func,...]> Cause the called function to save registers insted of the caller", CLAT_SET },
+ { 0, "--profile", &options.profile, "On supported ports, generate extra profiling information" },
+ { 0, "--fommit-frame-pointer", &options.ommitFramePtr, "Leave out the frame pointer." },
+ { 0, "--all-callee-saves", &options.all_callee_saves, "callee will always save registers used" },
+ { 0, "--stack-probe", &options.stack_probe,"insert call to function __stack_probe at each function prologue"},
+ { 0, OPTION_NO_XINIT_OPT, &options.noXinitOpt, "don't memcpy initialized xram from code"},
+ { 0, OPTION_NO_CCODE_IN_ASM, &options.noCcodeInAsm, "don't include c-code as comments in the asm file"},
+ { 0, OPTION_NO_PEEP_COMMENTS, &options.noPeepComments, "don't include peephole optimizer comments"},
+ { 0, OPTION_VERBOSE_ASM, &options.verboseAsm, "include code generator comments"},
+ { 0, OPTION_SHORT_IS_8BITS, NULL, "Make short 8 bits (for old times sake)" },
+ { 0, OPTION_CODE_SEG, NULL, "<name> use this name for the code segment" },
+ { 0, OPTION_CONST_SEG, NULL, "<name> use this name for the const segment" },
+
+ { 0, NULL, NULL, "Optimization options"},
+ { 0, "--nooverlay", &options.noOverlay, "Disable overlaying leaf function auto variables" },
+ { 0, OPTION_NO_GCSE, NULL, "Disable the GCSE optimisation" },
+ { 0, OPTION_NO_LABEL_OPT, NULL, "Disable label optimisation" },
+ { 0, OPTION_NO_LOOP_INV, NULL, "Disable optimisation of invariants" },
+ { 0, OPTION_NO_LOOP_IND, NULL, "Disable loop variable induction" },
+ { 0, "--nojtbound", &optimize.noJTabBoundary, "Don't generate boundary check for jump tables" },
+ { 0, "--noloopreverse", &optimize.noLoopReverse, "Disable the loop reverse optimisation" },
+ { 0, "--no-peep", &options.nopeep, "Disable the peephole assembly file optimisation" },
+ { 0, "--no-reg-params", &options.noRegParams, "On some ports, disable passing some parameters in registers" },
+ { 0, "--peep-asm", &options.asmpeep, "Enable peephole optimization on inline assembly" },
+ { 0, OPTION_PEEP_FILE, &options.peep_file, "<file> use this extra peephole file", CLAT_STRING },
+ { 0, OPTION_OPT_CODE_SPEED, NULL, "Optimize for code speed rather than size" },
+ { 0, OPTION_OPT_CODE_SIZE, NULL, "Optimize for code size rather than speed" },
+
+ { 0, NULL, NULL, "Internal debugging options"},
+ { 0, "--dumpraw", &options.dump_raw, "Dump the internal structure after the initial parse" },
+ { 0, "--dumpgcse", &options.dump_gcse, NULL },
+ { 0, "--dumploop", &options.dump_loop, NULL },
+ { 0, "--dumpdeadcode", &options.dump_kill, NULL },
+ { 0, "--dumpliverange", &options.dump_range, NULL },
+ { 0, "--dumpregpack", &options.dump_pack, NULL },
+ { 0, "--dumpregassign", &options.dump_rassgn, NULL },
+ { 0, "--dumptree", &options.dump_tree, "dump front-end AST before generating iCode" },
+ { 0, OPTION_DUMP_ALL, NULL, "Dump the internal structure at all stages" },
+ { 0, OPTION_ICODE_IN_ASM, &options.iCodeInAsm, "include i-code as comments in the asm file"},
+
+ { 0, NULL, NULL, "Linker options" },
+ { 'l', NULL, NULL, "Include the given library in the link" },
+ { 'L', NULL, NULL, "Add the next field to the library search path" },
+ { 0, OPTION_LIB_PATH, &libPathsSet, "<path> use this path to search for libraries", CLAT_ADD_SET },
+ { 0, OPTION_OUT_FMT_IHX, NULL, "Output in Intel hex format" },
+ { 0, OPTION_OUT_FMT_S19, NULL, "Output in S19 hex format" },
+ { 0, OPTION_XRAM_LOC, &options.xdata_loc, "<nnnn> External Ram start location", CLAT_INTEGER },
+ { 0, OPTION_XRAM_SIZE, NULL, "<nnnn> External Ram size" },
+ { 0, OPTION_IRAM_SIZE, &options.iram_size, "<nnnn> Internal Ram size", CLAT_INTEGER },
+ { 0, OPTION_XSTACK_LOC, &options.xstack_loc, "<nnnn> External Stack start location", CLAT_INTEGER },
+ { 0, OPTION_CODE_LOC, &options.code_loc, "<nnnn> Code Segment Location", CLAT_INTEGER },
+ { 0, OPTION_CODE_SIZE, &options.code_size, "<nnnn> Code Segment size", CLAT_INTEGER },
+ { 0, OPTION_STACK_LOC, &options.stack_loc, "<nnnn> Stack pointer initial value", CLAT_INTEGER },
+ { 0, OPTION_DATA_LOC, &options.data_loc, "<nnnn> Direct data start location", CLAT_INTEGER },
+ { 0, OPTION_IDATA_LOC, &options.idata_loc, NULL, CLAT_INTEGER },
+
+ /* End of options */
+ { 0, NULL }
+};