diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/main.cpp b/src/main.cpp index 5a43e3c02..0bfab0344 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -392,6 +392,8 @@ enum BuildFlagKind { BuildFlag_PrintLinkerFlags, + BuildFlag_IntegerDivisionByZero, + // internal use only BuildFlag_InternalFastISel, BuildFlag_InternalIgnoreLazy, @@ -613,6 +615,9 @@ gb_internal bool parse_build_flags(Array<String> args) { add_flag(&build_flags, BuildFlag_PrintLinkerFlags, str_lit("print-linker-flags"), BuildFlagParam_None, Command_build); + add_flag(&build_flags, BuildFlag_IntegerDivisionByZero, str_lit("integer-division-by-zero"), BuildFlagParam_String, Command__does_check); + + add_flag(&build_flags, BuildFlag_InternalFastISel, str_lit("internal-fast-isel"), BuildFlagParam_None, Command_all); add_flag(&build_flags, BuildFlag_InternalIgnoreLazy, str_lit("internal-ignore-lazy"), BuildFlagParam_None, Command_all); add_flag(&build_flags, BuildFlag_InternalIgnoreLLVMBuild, str_lit("internal-ignore-llvm-build"),BuildFlagParam_None, Command_all); @@ -1515,7 +1520,7 @@ gb_internal bool parse_build_flags(Array<String> args) { } else if (str_eq_ignore_case(value.value_string, str_lit("unix"))) { build_context.ODIN_ERROR_POS_STYLE = ErrorPosStyle_Unix; } else { - gb_printf_err("-error-pos-style options are 'unix', 'odin' and 'default' (odin)\n"); + gb_printf_err("-error-pos-style options are 'unix', 'odin', and 'default' (odin)\n"); bad_flags = true; } break; @@ -1539,6 +1544,18 @@ gb_internal bool parse_build_flags(Array<String> args) { build_context.print_linker_flags = true; break; + case BuildFlag_IntegerDivisionByZero: + GB_ASSERT(value.kind == ExactValue_String); + if (str_eq_ignore_case(value.value_string, "trap")) { + build_context.integer_division_by_zero_behaviour = IntegerDivisionByZero_Trap; + } else if (str_eq_ignore_case(value.value_string, "zero")) { + build_context.integer_division_by_zero_behaviour = IntegerDivisionByZero_Zero; + } else { + gb_printf_err("-integer-division-by-zero options are 'trap' and 'zero'.\n"); + bad_flags = true; + } + break; + case BuildFlag_InternalFastISel: build_context.fast_isel = true; break; @@ -2561,7 +2578,18 @@ gb_internal int print_show_help(String const arg0, String command, String option if (print_flag("-ignore-warnings")) { print_usage_line(2, "Ignores warning messages."); } + } + if (check) { + if (print_flag("-integer-division-by-zero:<strng>")) { + print_usage_line(2, "Specifies the default behaviour for integer division by zero."); + print_usage_line(2, "Available Options:"); + print_usage_line(3, "-integer-division-by-zero:trap Trap on division/modulo/remainder by zero"); + print_usage_line(3, "-integer-division-by-zero:zero x/0 == 0 and x%%0 == x and x%%%%0 == 0"); + } + } + + if (check) { if (print_flag("-json-errors")) { print_usage_line(2, "Prints the error messages as json to stderr."); } |