oreodave/ovm
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added TOKEN_PP_USE to lexer with implementation

Browse Source
This commit is contained in:
Aryadev Chavali
2023-11-29 15:38:41 +00:00
parent cad92bf3ba
commit 1cba5ccd8d
2 changed files with 12 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
asm/lexer.c
View File

@@ -24,6 +24,8 @@ const char *token_type_as_cstr(token_type_t type)
{ {
switch (type) switch (type)
{ {
case TOKEN_PP_USE:
return "PP_USE";
case TOKEN_PP_CONST: case TOKEN_PP_CONST:
return "PP_CONST"; return "PP_CONST";
case TOKEN_PP_END: case TOKEN_PP_END:
@@ -180,6 +182,11 @@ lerr_t tokenise_symbol(buffer_t *buffer, size_t *column, token_t *token)
type = TOKEN_PP_CONST; type = TOKEN_PP_CONST;
offset = 6; offset = 6;
} }
else if (sym_size == 4 && strncmp(opcode + 1, "USE", 3) == 0)
{
type = TOKEN_PP_USE;
offset = 4;
}
else if (sym_size == 4 && strncmp(opcode + 1, "END", 3) == 0) else if (sym_size == 4 && strncmp(opcode + 1, "END", 3) == 0)
{ {
type = TOKEN_PP_END; type = TOKEN_PP_END;
@@ -599,8 +606,7 @@ lerr_t tokenise_buffer(buffer_t *buffer, token_stream_t *tokens_ptr)
darr_append_bytes(&tokens, (byte *)&t, sizeof(t)); darr_append_bytes(&tokens, (byte *)&t, sizeof(t));
} }
} }
size_t n_tokens = tokens.used / sizeof(token_t); tokens.available = tokens.used / sizeof(token_t);
tokens.available = n_tokens;
tokens.used = 0; tokens.used = 0;
*tokens_ptr = tokens; *tokens_ptr = tokens;
return LERR_OK; return LERR_OK;

7
asm/lexer.h
View File

@@ -17,9 +17,10 @@
typedef enum TokenType typedef enum TokenType
{ {
TOKEN_PP_CONST, TOKEN_PP_CONST, // %const(<symbol>)...
TOKEN_PP_END, TOKEN_PP_USE, // %use <string>
TOKEN_PP_REFERENCE, TOKEN_PP_END, // %end
TOKEN_PP_REFERENCE, // $<symbol>
TOKEN_GLOBAL, TOKEN_GLOBAL,
TOKEN_STAR, TOKEN_STAR,
TOKEN_LITERAL_NUMBER, TOKEN_LITERAL_NUMBER,