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| author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-02 23:29:23 +0000 |
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| committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-02 23:29:23 +0000 |
| commit | 6c4469958e9373773eb7c43d98ff5e20b062c153 (patch) | |
| tree | bf36f3848031fe2a879aa19048920253bfc06bf9 /asm/parser.c | |
| parent | bd39c2b2835974c4ad9313f49a273df1af5887af (diff) | |
| download | ovm-6c4469958e9373773eb7c43d98ff5e20b062c153.tar.gz ovm-6c4469958e9373773eb7c43d98ff5e20b062c153.tar.bz2 ovm-6c4469958e9373773eb7c43d98ff5e20b062c153.zip | |
Implemented CALL(_STACK) and RET on the assembler
Diffstat (limited to 'asm/parser.c')
| -rw-r--r-- | asm/parser.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/asm/parser.c b/asm/parser.c index 4f76fe5..cf2e53e 100644 --- a/asm/parser.c +++ b/asm/parser.c @@ -418,6 +418,19 @@ perr_t parse_next(token_stream_t *stream, presult_t *ret) *ret = (presult_t){.instruction = INST_JUMP_IF(BYTE, 0)}; return parse_jump_inst_operand(stream, ret); } + case TOKEN_CALL: + *ret = (presult_t){.instruction = INST_CALL(0)}; + ++stream->used; + if (stream->used >= stream->available) + return PERR_EXPECTED_OPERAND; + return parse_word_label_or_relative(stream, ret); + case TOKEN_CALL_STACK: + *ret = (presult_t){.instruction = INST_CALL_STACK, + .type = PRES_COMPLETE_RESULT}; + break; + case TOKEN_RET: + *ret = (presult_t){.instruction = INST_RET, .type = PRES_COMPLETE_RESULT}; + break; case TOKEN_SYMBOL: { size_t label_size = strcspn(token.str, ":"); if (label_size == strlen(token.str)) |