diff options
Diffstat (limited to 'cil/src/frontc/cabsvisit.mli')
| -rw-r--r-- | cil/src/frontc/cabsvisit.mli | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/cil/src/frontc/cabsvisit.mli b/cil/src/frontc/cabsvisit.mli new file mode 100644 index 0000000..d238789 --- /dev/null +++ b/cil/src/frontc/cabsvisit.mli @@ -0,0 +1,115 @@ +(* + * + * Copyright (c) 2001-2002, + * George C. Necula <necula@cs.berkeley.edu> + * Scott McPeak <smcpeak@cs.berkeley.edu> + * Wes Weimer <weimer@cs.berkeley.edu> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. The names of the contributors may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER + * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *) + +(* cabsvisit.mli *) +(* interface for cabsvisit.ml *) + +(* Different visiting actions. 'a will be instantiated with exp, instr, etc. *) +type 'a visitAction = + SkipChildren (* Do not visit the children. Return + * the node as it is *) + | ChangeTo of 'a (* Replace the expression with the + * given one *) + | DoChildren (* Continue with the children of this + * node. Rebuild the node on return + * if any of the children changes + * (use == test) *) + | ChangeDoChildrenPost of 'a * ('a -> 'a) (* First consider that the entire + * exp is replaced by the first + * paramenter. Then continue with + * the children. On return rebuild + * the node if any of the children + * has changed and then apply the + * function on the node *) + +type nameKind = + NVar (** Variable or function prototype + name *) + | NFun (** Function definition name *) + | NField (** The name of a field *) + | NType (** The name of a type *) + + +(* All visit methods are called in preorder! (but you can use + * ChangeDoChildrenPost to change the order) *) +class type cabsVisitor = object + method vexpr: Cabs.expression -> Cabs.expression visitAction (* expressions *) + method vinitexpr: Cabs.init_expression -> Cabs.init_expression visitAction + method vstmt: Cabs.statement -> Cabs.statement list visitAction + method vblock: Cabs.block -> Cabs.block visitAction + method vvar: string -> string (* use of a variable + * names *) + method vdef: Cabs.definition -> Cabs.definition list visitAction + method vtypespec: Cabs.typeSpecifier -> Cabs.typeSpecifier visitAction + method vdecltype: Cabs.decl_type -> Cabs.decl_type visitAction + + (* For each declaration we call vname *) + method vname: nameKind -> Cabs.specifier -> Cabs.name -> Cabs.name visitAction + method vspec: Cabs.specifier -> Cabs.specifier visitAction (* specifier *) + method vattr: Cabs.attribute -> Cabs.attribute list visitAction + + + method vEnterScope: unit -> unit + method vExitScope: unit -> unit +end + + +class nopCabsVisitor: cabsVisitor + + +val visitCabsTypeSpecifier: cabsVisitor -> + Cabs.typeSpecifier -> Cabs.typeSpecifier +val visitCabsSpecifier: cabsVisitor -> Cabs.specifier -> Cabs.specifier + +(** Visits a decl_type. The bool argument is saying whether we are ina + * function definition and thus the scope in a PROTO should extend until the + * end of the function *) +val visitCabsDeclType: cabsVisitor -> bool -> Cabs.decl_type -> Cabs.decl_type +val visitCabsDefinition: cabsVisitor -> Cabs.definition -> Cabs.definition list +val visitCabsBlock: cabsVisitor -> Cabs.block -> Cabs.block +val visitCabsStatement: cabsVisitor -> Cabs.statement -> Cabs.statement list +val visitCabsExpression: cabsVisitor -> Cabs.expression -> Cabs.expression +val visitCabsAttributes: cabsVisitor -> Cabs.attribute list + -> Cabs.attribute list +val visitCabsName: cabsVisitor -> nameKind + -> Cabs.specifier -> Cabs.name -> Cabs.name +val visitCabsFile: cabsVisitor -> Cabs.file -> Cabs.file + + + +(** Set by the visitor to the current location *) +val visitorLocation: Cabs.cabsloc ref |