4coder/custom/languages/4coder_cpp_lexer_test.cpp

/*
4coder_lexer_cpp_test.cpp - A tester for the C++ lexer.
*/

// TOP

#if 0

0.
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0.1
0.1f
0.0
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.9
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0.e1
0.e1f
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0.e+1
0.e+1f
0.e+1F
0.E+1f
0.E+1F
0.e-1
0.e-1f
0.e-1F
0.E-1f
0.E-1F

0.l
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0x0
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0x0l
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0x0L
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0x0fU
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0x0lu
0x1lu
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0x0alu
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0x0Flu

0x0Lu
0x1Lu
0xaLu
0xfLu
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0xFLu
0x01Lu
0x0aLu
0x0fLu
0x0ALu
0x0FLu

0x0lU
0x1lU
0xalU
0xflU
0xAlU
0xFlU
0x01lU
0x0alU
0x0flU
0x0AlU
0x0FlU

0x0LU
0x1LU
0xaLU
0xfLU
0xALU
0xFLU
0x01LU
0x0aLU
0x0fLU
0x0ALU
0x0FLU

0x0ul
0x1ul
0xaul
0xful
0xAul
0xFul
0x01ul
0x0aul
0x0ful
0x0Aul
0x0Ful

0x0uL
0x1uL
0xauL
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0x0Ul
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0xAUl
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0x0UL
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0x0llu
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0xallu
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0x0Allu
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0x0LLu
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0x0llU
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0x0LLU
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0xALLU
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0x0aLLU
0x0fLLU
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0x0ull
0x1ull
0xaull
0xfull
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0xFull
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0x0aull
0x0full
0x0Aull
0x0Full

0x0uLL
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0xauLL
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0x0Ull
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0xaULL
0xfULL
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0xFULL
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0x0AULL
0x0FULL

01
07
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010
011
077
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087

"foo"
"foo
foo"
"foo\
bar"
L"foo"
L"foo
Lfoo"
L"foo\
bar"
u"foo"
u"foo
ufoo"
u"foo\
bar"
u8"foo"
u8"foo
u8foo"
u8"foo\
bar"
U"foo"
U"foo
Ufoo"
U"foo\
bar"
R"(foo)"
R"bar(foo)bar"
R"foo(foo)foo"
LR"bar(foo)bar"
uR"bar(foo)bar"
u8R"bar(foo)bar"
UR"bar(foo)bar"
LR"foo(foo)foo"
uR"foo(foo)foo"
u8R"foo(foo)foo"
UR"foo(foo)foo"
R"bar(foo

\

)bar"
R"foo(foo

\

)foo"
R"bar(foo

"

)"

)b"

)ba"

)bar"

R"bar(foo

)bar

)bar

)bar

)bar"

#error ``` Foo bar is bad news bears! ```
#   define foo bar
#    define bar baz
#define baz bish

# error wishy washy
#define swish(x,y,...) switch(x){ y(__VA_ARGS__) }

#endif

#include "4coder_base_types.h"
#include "4coder_token.h"
#include "generated/lexer_cpp.h"

#include "4coder_base_types.cpp"
#include "4coder_token.cpp"
#include "generated/lexer_cpp.cpp"

#include "4coder_stringf.cpp"
#include "4coder_malloc_allocator.cpp"

#include <stdio.h>
#include <time.h>

internal void
print_token_list(Token_List *list, String_Const_u8 text){
    for (Token_Block *block = list->first;
         block != 0;
         block = block->next){
        i32 count = block->count;
        Token *token = block->tokens;
        for (i32 i = 0; i < count; i += 1, token += 1){
            printf("[%5llu, %5llu) %20s / %20s : 0x%04x / 0x%04x\n",
                   token->pos, token->pos + token->size,
                   token_base_kind_names[token->kind],
                   token_cpp_kind_names[token->sub_kind],
                   token->flags, token->sub_flags);
            printf("\t:%.*s:\n", (i32)token->size, text.str + token->pos);
        }
    }
}

internal String_Const_u8
file_read_all(Arena *arena, FILE *file){
    String_Const_u8 result = {};
    fseek(file, 0, SEEK_END);
    result.size = ftell(file);
    fseek(file, 0, SEEK_SET);
    result.str = push_array(arena, u8, result.size + 1);
    fread(result.str, result.size, 1, file);
    result.str[result.size] = 0;
    return(result);
}

int main(void){
    Arena arena_ = make_arena_malloc();
    Arena *arena = &arena_;
    
    String_Const_u8 path_to_self = string_u8_litexpr(__FILE__);
    path_to_self = string_remove_last_folder(path_to_self);
    String_Const_u8 path_to_src = string_remove_last_folder(path_to_self);
    
    String_Const_u8 test_file_name = push_u8_stringf(arena, "%.*s/languages/4coder_lexer_cpp_test.cpp",
                                                     string_expand(path_to_src));
    
    FILE *test_file = fopen((char*)test_file_name.str, "rb");
    if (test_file == 0){
        printf("error: count not open test file %s\n", test_file_name.str);
        exit(1);
    }
    String_Const_u8 text = file_read_all(arena, test_file);
    fclose(test_file);
    
    Token_List list = lex_full_input_cpp(arena, text);
    print_token_list(&list, text);
    
    for (i32 i = 0; i < KB(4); i += 1){
        fprintf(stdout, "\n");
    }
    fflush(stdout);
    
    return(0);
}

// BOTTOM