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asserts to catch lexer problems

This commit is contained in:
Allen Webster 2017-05-02 17:55:47 -04:00
parent 27dcead16f
commit 892fffe5b1
2 changed files with 33 additions and 27 deletions
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1
4cpp/4cpp_lexer_types.h
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@ -18,7 +18,6 @@
/* DOC(A Cpp_Token_Type classifies a token to make parsing easier. Some types are not actually output by the lexer, but exist because parsers will also make use of token types in their own output.) */
ENUM(uint32_t, Cpp_Token_Type){
CPP_TOKEN_JUNK = 0,
CPP_TOKEN_COMMENT = 1,

57
4ed_file_view.cpp
View File

@ -2152,13 +2152,10 @@ Job_Callback_Sig(job_full_lex){
// TODO(allen): deduplicate this against relex
char *chunks[3];
i32 chunk_sizes[3];
chunks[0] = buffer->data;
chunk_sizes[0] = buffer->size1;
chunks[1] = buffer->data + buffer->size1 + buffer->gap_size;
chunk_sizes[1] = buffer->size2;
chunks[2] = 0;
chunk_sizes[2] = 0;
@ -2172,22 +2169,27 @@ Job_Callback_Sig(job_full_lex){
cpp_lex_step(&lex, chunk, chunk_size, text_size, &tokens, 2048);
switch (result){
case LexResult_NeedChunk: ++chunk_index; break;
case LexResult_NeedChunk:
{
++chunk_index;
Assert(chunk_index < ArrayCount(chunks));
}break;
case LexResult_NeedTokenMemory:
if (system->check_cancel(thread)){
return;
}
system->grow_thread_memory(memory);
tokens.tokens = (Cpp_Token*)(memory->data);
tokens.max_count = memory->size / sizeof(Cpp_Token);
break;
{
if (system->check_cancel(thread)){
return;
}
system->grow_thread_memory(memory);
tokens.tokens = (Cpp_Token*)(memory->data);
tokens.max_count = memory->size / sizeof(Cpp_Token);
break;
case LexResult_HitTokenLimit:
if (system->check_cancel(thread)){
return;
}
break;
case LexResult_HitTokenLimit:
if (system->check_cancel(thread)){
return;
}
}break;
case LexResult_Finished: still_lexing = 0; break;
}
@ -2294,13 +2296,10 @@ file_first_lex_serial(Mem_Options *mem, Editing_File *file){
// TODO(allen): deduplicate this against relex
char *chunks[3];
i32 chunk_sizes[3];
chunks[0] = buffer->data;
chunk_sizes[0] = buffer->size1;
chunks[1] = buffer->data + buffer->size1 + buffer->gap_size;
chunk_sizes[1] = buffer->size2;
chunks[2] = 0;
chunk_sizes[2] = 0;
@ -2315,8 +2314,11 @@ file_first_lex_serial(Mem_Options *mem, Editing_File *file){
i32 result = cpp_lex_step(&lex, chunk, chunk_size, text_size, &tokens, NO_OUT_LIMIT);
switch (result){
case LexResult_NeedChunk: ++chunk_index; break;
case LexResult_NeedChunk:
{
++chunk_index;
Assert(chunk_index < ArrayCount(chunks));
}break;
case LexResult_Finished:
case LexResult_NeedTokenMemory:
@ -2418,6 +2420,7 @@ file_relex_parallel(System_Functions *system, Mem_Options *mem, Editing_File *fi
while (!cpp_relex_is_start_chunk(&state, chunk, chunk_size)){
++chunk_index;
Assert(chunk_index < ArrayCount(chunks));
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
}
@ -2430,6 +2433,7 @@ file_relex_parallel(System_Functions *system, Mem_Options *mem, Editing_File *fi
case LexResult_NeedChunk:
{
++chunk_index;
Assert(chunk_index < ArrayCount(chunks));
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
}break;
@ -2539,6 +2543,7 @@ file_relex_serial(Mem_Options *mem, Editing_File *file, i32 start_i, i32 end_i,
while (!cpp_relex_is_start_chunk(&state, chunk, chunk_size)){
++chunk_index;
Assert(chunk_index < ArrayCount(chunks));
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
}
@ -2548,10 +2553,12 @@ file_relex_serial(Mem_Options *mem, Editing_File *file, i32 start_i, i32 end_i,
switch (lex_result){
case LexResult_NeedChunk:
++chunk_index;
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
break;
{
++chunk_index;
Assert(chunk_index < ArrayCount(chunks));
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
}break;
case LexResult_NeedTokenMemory: InvalidCodePath;