janis/from-scratch
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comments, skip empty semis in blocks

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janis 2025-10-31 13:17:47 +01:00
parent e79af01925
commit 1201a6c45a
Signed by: janis
SSH key fingerprint: SHA256:bB1qbbqmDXZNT0KKD5c2Dfjg53JGhj7B3CFcLIzSqq8
2 changed files with 11 additions and 1 deletions
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7
lang/src/ast.asm
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@ -658,6 +658,13 @@ parse_block:
call peek_expect_token call peek_expect_token
test rax, rax test rax, rax
jnz .done jnz .done
; skip semicolons
mov dil, TOKEN_SEMI
call expect_token
test rax, rax
jnz .loop
mov rdi, [rsp + 56] ; Ast mov rdi, [rsp + 56] ; Ast
call parse_statement call parse_statement
lea rdi, [rsp + 8] ; vec lea rdi, [rsp + 8] ; vec

3
lang/src/tokeniser.asm
View file

@ -548,6 +548,7 @@ expect_token:
pop rbp pop rbp
ret ret
;; Returns the next token if it matches the expected token, else panics
;; dil: expected token ;; dil: expected token
unwrap_token: unwrap_token:
push rbp push rbp
@ -561,6 +562,7 @@ unwrap_token:
call panic call panic
;; returns 0 if token not found, else returns lexeme (ptr, len) ;; returns 0 if token not found, else returns lexeme (ptr, len)
;; doesn't advance the cursor
;; dil: expected token ;; dil: expected token
peek_expect_token: peek_expect_token:
push rbp push rbp
@ -573,6 +575,7 @@ peek_expect_token:
pop rbp pop rbp
ret ret
;; returns the next lexeme without advancing the cursor
;; rdi: out-struct pointer ;; rdi: out-struct pointer
peek_lexeme: peek_lexeme:
push rbp push rbp