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authorAryadev Chavali <aryadev@aryadevchavali.com>2023-11-02 23:29:23 +0000
committerAryadev Chavali <aryadev@aryadevchavali.com>2023-11-02 23:29:23 +0000
commit6c4469958e9373773eb7c43d98ff5e20b062c153 (patch)
treebf36f3848031fe2a879aa19048920253bfc06bf9 /asm/lexer.c
parentbd39c2b2835974c4ad9313f49a273df1af5887af (diff)
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Implemented CALL(_STACK) and RET on the assembler
Diffstat (limited to 'asm/lexer.c')
-rw-r--r--asm/lexer.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/asm/lexer.c b/asm/lexer.c
index baa5e92..525deb2 100644
--- a/asm/lexer.c
+++ b/asm/lexer.c
@@ -92,6 +92,12 @@ const char *token_type_as_cstr(token_type_t type)
return "JUMP_STACK";
case TOKEN_JUMP_IF:
return "JUMP_IF";
+ case TOKEN_CALL:
+ return "CALL";
+ case TOKEN_CALL_STACK:
+ return "CALL_STACK";
+ case TOKEN_RET:
+ return "RET";
case TOKEN_SYMBOL:
return "SYMBOL";
}
@@ -139,7 +145,7 @@ bool is_valid_hex_char(char c)
token_t tokenise_symbol(buffer_t *buffer, size_t *column)
{
- static_assert(NUMBER_OF_OPCODES == 95, "tokenise_buffer: Out of date!");
+ static_assert(NUMBER_OF_OPCODES == 98, "tokenise_buffer: Out of date!");
size_t sym_size = 0;
for (; sym_size < space_left(buffer) &&
@@ -310,6 +316,21 @@ token_t tokenise_symbol(buffer_t *buffer, size_t *column)
offset = 8;
type = TOKEN_JUMP_IF;
}
+ else if (sym_size == 10 && strncmp(opcode, "CALL.STACK", 10) == 0)
+ {
+ offset = 10;
+ type = TOKEN_CALL_STACK;
+ }
+ else if (sym_size == 4 && strncmp(opcode, "CALL", 4) == 0)
+ {
+ offset = 4;
+ type = TOKEN_CALL;
+ }
+ else if (sym_size == 3 && strncmp(opcode, "RET", 3) == 0)
+ {
+ offset = 3;
+ type = TOKEN_RET;
+ }
else
is_opcode = false;