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Parallelization of the Parser

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~66% reduction (unoptimized build)
~30% reduction (optimized build)
This commit is contained in:
Ginger Bill
2017-07-30 19:01:02 +01:00
parent 62a72f0163
commit 629b248f53
7 changed files with 312 additions and 130 deletions
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src/main.cpp
+51 -13
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@@ -172,6 +172,7 @@ enum BuildFlagKind {
BuildFlag_OptimizationLevel,
BuildFlag_ShowTimings,
BuildFlag_ThreadCount,
BuildFlag_COUNT,
};
@@ -202,9 +203,9 @@ void add_flag(Array<BuildFlag> *build_flags, BuildFlagKind kind, String name, Bu
bool parse_build_flags(Array<String> args) {
Array<BuildFlag> build_flags = {};
array_init(&build_flags, heap_allocator(), BuildFlag_COUNT);
add_flag(&build_flags, BuildFlag_OptimizationLevel, str_lit("opt"), BuildFlagParam_Integer);
add_flag(&build_flags, BuildFlag_ShowTimings, str_lit("show-timings"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_OptimizationLevel, str_lit("opt"), BuildFlagParam_Integer);
add_flag(&build_flags, BuildFlag_ShowTimings, str_lit("show-timings"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_ThreadCount, str_lit("thread-count"), BuildFlagParam_Integer);
Array<String> flag_args = args;
@@ -291,27 +292,64 @@ bool parse_build_flags(Array<String> args) {
}
}
if (ok) {
switch (bf.kind) {
case BuildFlag_OptimizationLevel:
if (value.kind == ExactValue_Integer) {
build_context.optimization_level = cast(i32)i128_to_i64(value.value_integer);
} else {
switch (bf.param_kind) {
case BuildFlagParam_None:
if (value.kind != ExactValue_Invalid) {
gb_printf_err("%.*s expected no value, got %.*s", LIT(name), LIT(param));
bad_flags = true;
ok = false;
}
break;
case BuildFlagParam_Boolean:
if (value.kind != ExactValue_Bool) {
gb_printf_err("%.*s expected a boolean, got %.*s", LIT(name), LIT(param));
bad_flags = true;
ok = false;
}
break;
case BuildFlagParam_Integer:
if (value.kind != ExactValue_Integer) {
gb_printf_err("%.*s expected an integer, got %.*s", LIT(name), LIT(param));
bad_flags = true;
ok = false;
}
break;
case BuildFlag_ShowTimings:
if (value.kind == ExactValue_Invalid) {
build_context.show_timings = true;
} else {
gb_printf_err("%.*s expected no value, got %.*s", LIT(name), LIT(param));
case BuildFlagParam_Float:
if (value.kind != ExactValue_Float) {
gb_printf_err("%.*s expected a floating pointer number, got %.*s", LIT(name), LIT(param));
bad_flags = true;
ok = false;
}
break;
case BuildFlagParam_String:
if (value.kind != ExactValue_String) {
gb_printf_err("%.*s expected a string, got %.*s", LIT(name), LIT(param));
bad_flags = true;
ok = false;
}
break;
}
if (ok) switch (bf.kind) {
case BuildFlag_OptimizationLevel:
GB_ASSERT(value.kind == ExactValue_Integer);
build_context.optimization_level = cast(i32)i128_to_i64(value.value_integer);
break;
case BuildFlag_ShowTimings:
GB_ASSERT(value.kind == ExactValue_Invalid);
build_context.show_timings = true;
break;
case BuildFlag_ThreadCount: {
GB_ASSERT(value.kind == ExactValue_Integer);
isize count = cast(isize)i128_to_i64(value.value_integer);
if (count <= 0) {
gb_printf_err("%.*s expected a positive non-zero number, got %.*s", LIT(name), LIT(param));
build_context.thread_count = 0;
} else {
build_context.thread_count = count;
}
} break;
}
}