X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser_proc.y;h=8c6018fc4d3f784ab1fc41d7a8e86dcb96325274;hp=66d884485260160f2d07dcc3a41b7b5c8d27f304;hb=ef48feab1da9d7a419980294bcbf03ceefd81d1c;hpb=3b0b651ea1b555d8d023e45b43e5eb93b23d00a1 diff --git a/src/parser_proc.y b/src/parser_proc.y index 66d8844..8c6018f 100644 --- a/src/parser_proc.y +++ b/src/parser_proc.y @@ -6,28 +6,56 @@ #include "plist.h" #include "parser.h" + +/* rename lemon symbols, works better than DEF(%name) */ +#define ParseAlloc psi_parser_proc_init_ex +#define Parse psi_parser_proc_parse +#define ParseTrace psi_parser_proc_trace +#define ParseFree psi_parser_proc_free_ex + +/* fwd decls */ +void *ParseAlloc(void *(*mallocProc)(size_t)); +void ParseFree(void *p, void (*freeProc)(void*)); + +/* wrappers */ +void *psi_parser_proc_init(void) +{ + return ParseAlloc(malloc); +} + +void psi_parser_proc_free(void **parser_proc) +{ + if (*parser_proc) { + ParseFree(*parser_proc, free); + *parser_proc = NULL; + } +} + } -%name psi_parser_proc_ %token_prefix PSI_T_ %token_type {struct psi_token *} %token_destructor {free($$);} %default_destructor {(void)P;} %extra_argument {struct psi_parser *P} %syntax_error { ++P->errors; if (TOKEN && TOKEN->type != PSI_T_EOF) { psi_error(PSI_WARNING, TOKEN->file, TOKEN->line, "PSI syntax error: Unexpected token '%s' at pos %u", TOKEN->text, TOKEN->col); } else { psi_error(PSI_WARNING, P->file.fn, P->line, "PSI syntax error: Unexpected end of input"); } } -%token_class const_type_token BOOL INT FLOAT STRING. -%token_class decl_type_token FLOAT DOUBLE INT8 UINT8 INT16 UINT16 INT32 UINT32 INT64 UINT64 NAME. -%token_class impl_def_val_token NULL NUMBER TRUE FALSE QUOTED_STRING. -%token_class number_token NUMBER NSNAME. -%token_class num_exp_binary_op_token PIPE CARET AMPERSAND LSHIFT RSHIFT PLUS MINUS ASTERISK SLASH MODULO. -%token_class num_exp_unary_op_token TILDE NOT PLUS MINUS. -%token_class let_func_token ZVAL OBJVAL ARRVAL PATHVAL STRLEN STRVAL FLOATVAL INTVAL BOOLVAL COUNT. -%token_class set_func_token TO_OBJECT TO_ARRAY TO_STRING TO_INT TO_FLOAT TO_BOOL ZVAL VOID. -%token_class impl_type_token VOID MIXED BOOL INT FLOAT STRING ARRAY OBJECT CALLABLE. +%token_class const_type_token BOOL INT FLOAT STRING . +%token_class decl_type_token FLOAT DOUBLE INT8 UINT8 INT16 UINT16 INT32 UINT32 INT64 UINT64 NAME . +%token_class impl_def_val_token NULL NUMBER TRUE FALSE QUOTED_STRING . +%token_class number_token NUMBER NSNAME . +%token_class binary_op_token PIPE CARET AMPERSAND LSHIFT RSHIFT PLUS MINUS ASTERISK SLASH MODULO RCHEVR LCHEVR CMP_GE CMP_LE OR AND CMP_EQ CMP_NE . +%token_class unary_op_token TILDE NOT PLUS MINUS . +%token_class let_func_token ZVAL OBJVAL ARRVAL PATHVAL STRLEN STRVAL FLOATVAL INTVAL BOOLVAL COUNT . +%token_class set_func_token TO_OBJECT TO_ARRAY TO_STRING TO_INT TO_FLOAT TO_BOOL ZVAL VOID . +%token_class impl_type_token VOID MIXED BOOL INT FLOAT STRING ARRAY OBJECT CALLABLE . +%token_class assert_stmt_token PRE_ASSERT POST_ASSERT . %nonassoc NAME. %right NOT TILDE. +%left AND OR. %left PIPE. %left CARET. %left AMPERSAND. +%left CMP_EQ CMP_NE. +%left LCHEVR CMP_LE RCHEVR CMP_GE. %left LSHIFT RSHIFT. %left PLUS MINUS. %left ASTERISK SLASH MODULO. @@ -121,6 +149,8 @@ %destructor let_exp {psi_let_exp_free(&$$);} %type let_exps {struct psi_plist*} %destructor let_exps {psi_plist_free($$);} +%type assert_stmt {struct psi_assert_stmt*} +%destructor assert_stmt {psi_assert_stmt_free(&$$);} %type set_stmt {struct psi_set_stmt*} %destructor set_stmt {psi_set_stmt_free(&$$);} %type set_exp {struct psi_set_exp*} @@ -476,8 +506,12 @@ decl_arg(arg_) ::= CONST VOID(T) pointers(p) NAME(N). { arg_->var->token = N; arg_->token = N; } -decl_args ::= . -decl_args ::= VOID. +decl_args(args) ::= . { + args = NULL; +} +decl_args(args) ::= VOID. { + args = NULL; +} decl_args(args) ::= decl_arg(arg). { args = psi_plist_add(psi_plist_init((psi_plist_dtor) psi_decl_arg_free), &arg); @@ -700,6 +734,9 @@ impl_stmt(i) ::= let_stmt(l). { impl_stmt(i) ::= set_stmt(s). { i = (struct psi_token**) s; } +impl_stmt(i) ::= assert_stmt(s). { + i = (struct psi_token **) s; +} impl_stmt(i) ::= free_stmt(f). { i = (struct psi_token**) f; } @@ -719,11 +756,11 @@ num_exp(exp) ::= LPAREN(L) num_exp(exp_) RPAREN. { exp = psi_num_exp_init_unary(PSI_T_LPAREN, exp_); exp->token = L; } -num_exp(exp) ::= num_exp(lhs_) num_exp_binary_op_token(OP) num_exp(rhs_). { +num_exp(exp) ::= num_exp(lhs_) binary_op_token(OP) num_exp(rhs_). { exp = psi_num_exp_init_binary(OP->type, lhs_, rhs_); exp->token = OP; } -num_exp(exp) ::= num_exp_unary_op_token(OP) num_exp(exp_). { +num_exp(exp) ::= unary_op_token(OP) num_exp(exp_). { exp = psi_num_exp_init_unary(OP->type, exp_); exp->token = OP; } @@ -796,7 +833,9 @@ let_exps(exps) ::= let_exp(exp). { let_exps(exps) ::= let_exps(exps_) COMMA let_exp(exp). { exps = psi_plist_add(exps_, &exp); } -callback_arg_list ::= . +callback_arg_list(args) ::= . { + args = NULL; +} callback_arg_list(args) ::= callback_args(args_). { args = args_; } @@ -867,6 +906,10 @@ free_exp(call) ::= NAME(F) LPAREN decl_vars(vars) RPAREN. { call = psi_free_exp_init(F->text, vars); call->token = F; } +assert_stmt(ass) ::= assert_stmt_token(T) num_exp(exp) EOS. { + ass = psi_assert_stmt_init(T->type, exp); + ass->token = T; +} reference(r) ::= . { r = false; }